Design Manual - Bulldog Heat Pump

Design Manual

Vertical Stack Units

InnKeeper/HomeKeeper

Models: IKV 008 – 018 (3/4 – 1 ½ tons) HKV 016 – 048 (1 ¼ - 4 tons)

www.bulldogheatpump.com

IKV/HKV Vertical Stack Design Manual

2 © Copyright 2013 CGC Group Inc. Design Manual is subject to change without notice. Last Revised: July 2020

Table of Contents

The BULLDOG Heat Pump Advantage .......................................................................................

Components and features of the BULLDOG Vertical Stack Unit ................................................

BULLDOG Heat Pump System Design ........................................................................................

IKV/HKV Model Nomenclature ..................................................................................................

IKV/HKV Technical Information .................................................................................................

IKV/HKV General Performance ..................................................................................................

IKV/HKV Detail Drawings ...........................................................................................................

IKV/HKV Wiring Schematic ........................................................................................................

IKV/HKV Detailed Options .........................................................................................................

IKV/HKV Options and Accessories

Return Air Panels .............................................................................................

Piping Schematics ............................................................................................

Optional Riser Bundle ......................................................................................

Thermostats .....................................................................................................

IKV/HKV Guide Specification .....................................................................................................

BULLDOG Product Guide ...........................................................................................................

Please note that the HKV2 units are a part of the new Bulldog product line and

are not being released until January 2021. The HKV2 is a larger cabinet that will

include sizes 036 to 048. Until January 2021, the 036 remains in the current

cabinet size (016 to 030 in this catalogue). *

3

4

5

9

10

12

15

21

22

24

26

27

28

29

37



The BULLDOG Heat Pump Advantage

Why use a BULLDOG Heat Pump?

CGC Group makes the BULLDOG Heat Pump, the most productive, worry-free heat pump in the building

industry.

With BULLDOG you get a heat pump that works harder, longer, with less hassle and energy than any

other heat pump on the market.

Because a Hydronic Heating system offers design flexibility and benefits that a reversing WSHP doesn’t:

It is quieter

It has better heat sharing capability

It is more reliable

It uses less electricity

It is equipped with modulating heat

40-70% lower heating costs

It has lower failure rates

It has fewer moving parts

Because a compressor that doesn’t operate in heating:

Doesn’t make any noise

Doesn’t fail

Doesn’t consume any power

Has lower operating costs

Lasts longer

A BULLDOG system delivers benefits for the building owner, the occupants, and the budget:

Dry cooler capability

Dehumidification

Smaller emergency generator

Fewer water loops

Fresh air delivered directly to occupied space

Small footprint

Chassis change out in minutes

Low flow rate

What makes the BULLDOG system different and why is this significant to

Geothermal?

The BULLDOG Geothermal system has a positive impact on the design and operation of the geothermal

field. It allows for greater design flexibility that can help bring the geothermal field back to a balanced

mode. This is accomplished with a design that allows for ALL HVAC equipment to be placed on one

common fluid loop, which prevents overheating of the geothermal field and may result in a smaller

geothermal field in cooling dominant building with significant capital cost reductions.

For more details, please refer to “Geothermal Design Guide, Benefits of the BULLDOG System”.



Components and Features of the BULLDOG Vertical Stack Unit

The CGC Bulldog Vertical Stack heat pump unit consists of the following main components:

Sheet Metal Cabinet and Return Air Panel

Refrigeration Chassis and Optional Energy Recovery Ventilator (ERV)

Riser Bundle (when ordered)

Cabinet Features Vertical Stack cabinets are available in two sizes: InnKeeper and two HomeKeeper cabinets (size 1 for HKV016-030 and size 2 for HKV036-048). The small cabinet footprint increases the useable floor space. The Universal Cabinet can be applied with any piping arrangement (left, right or back piping) and any discharge air requirements. Unlike other manufacturers, the Bulldog cabinet is an empty sheet box without any fans or controls. This reduces the potential of construction damage or dirt accumulation. It also means that cabinets can be shipped very quickly along with riser bundles if required. Drywall can be and is normally applied directly to the cabinet since the cabinet does not contain a fan. They are available with extended bases for continuous based boards. All cabinets ship in a vertical position and can be handled by one person with a two-wheeled cart. The surface mounted Return Air Panel provides acoustic dampening and access to the chassis. Various types of return air panels are available.

The ERV cabinet is wider in order to accommodate the ERV chassis. It is available in right hand or left hand configurations. There are three sizes of ERV cabinets: InnKeeper ERV, HomeKeeper ERV cabinets (HKV016-030) and HomeKeeper 2 ERV cabinets (HKV036-048).

The BULLDOG Vertical Stack design allows for direct application of fresh air, which may eliminate the need for a dedicated outdoor air system and all of the associated ductwork. Chassis Features Vertical Stack Units are AHRI certified and are available in three sizes of chassis: InnKeeper 008 thru 018 (3/4 to 1 ½ tons) – 5 chassis capacities HomeKeeper 016 thru 030 (1 ¼ to 2.5 tons) – 4 chassis capacities HomeKeeper 036 thru 048 (3 to 4 tons) – 3 chassis capacities Unlike other heat pumps, the Bulldog chassis is a complete self-contained fully functioning unit, which makes it impossible to have any air bypass. This also means a chassis change out can be done in a matter of minutes without the need for a service technician. Riser Bundle Features Easy to install: The risers are pre-bundled with metal channel so that the risers hook onto the slip fit connection on the left, right, or back side of the cabinet.



BULLDOG Heat Pump System Design

The BULLDOG Heat Pump System is a combination of two traditional commercial HVAC building

technologies. The system combines conventional water cooled air conditioning and hydronic space

heating, all in one package.

A BULLDOG unit operates as a fan coil in heating and a water cooled DX unit in cooling. The compressors

do not operate in the heating mode. They can cool or heat any space at any time of the year. Instead of

a refrigerant reversing valve for heating, the BULLDOG unit diverts the loop fluid to a hydronic heating

coil located inside the unit.

The loop fluid varies in temperature depending on outdoor ambient conditions. As the ambient

temperature gets colder, the loop fluid temperature is increased.

In order to have available heat at all times and in all zones, the BULLDOG loop temperature is

maintained at 85⁰F (30⁰C) at an ambient temperature above 55⁰F; this will enable any unit to produce a

minimum of 30% of its rated heating capacity. As the outside air temperature falls below 55⁰F (13⁰C) the

loop temperature is increased. The nominal rate of increase is 0.40 degree increase in loop temperature

for every degree drop in ambient. As such the loop temperature will be 104⁰F (40⁰C) at 8⁰F (-13⁰C)

outside.

The advantage of the BULLDOG system is that the heating/cooling ratios can be tailored to the actual

loads. To optimize the efficiency of the system the reset rate can be adjusted to follow loading. For

example: when the cooling requirements of each zone are much higher than the heating loads, the set

point reset rate can range from .25 to .40 degree increase per degree drop in ambient. Then at 15⁰F

ambient, the loop temperature would be less than 100⁰F. Similarly, installations such as a seniors

residence where heating is the dominant load, the set point reset rate can be steeper, perhaps as high

as .75 degrees per degree ambient drop. Additionally, the set point reset rate start point can be moved

several degrees higher or lower to suit the application.

The CGC Group offers a

prepackaged system controller

that is programmed to

accommodate most system

arrangements. Custom sequences

can be programmed into the

panel. The BULLDOG system

controller has Modbus RTU and

can be connected to a BACnet

interface, allowing for it to be

integrated into most BAS systems

provided by others.


6

© Copyright 2013 CGC Group Inc. Design Manual is Subject to Change without Notice. Last Revised: July 2020

Heating Cycle

The BULLDOG System’s straightforward design derives maximum efficiency from existing principles.

The heating cycle consists of a high efficiency fan motor drawing air over a simple hot water coil. This is

the same mechanism employed by common fan coil units. Because the water loop temperature is

scheduled to outdoor air temperature, maximum heat output is available when it is most needed (ie. –

when it is coldest outside). As the outdoor air temperature rises, loop water temperatures are lowered

to gain cooling efficiency.

Cooling Cycle

The best HVAC designs are only as good as the level of comfort they provide. Here the BULLDOG System

once again excels, making cooling available year round through an ultra-quiet design.

The compressors are connected through a refrigeration piping system to a standard DX cooling coil. The

heat removed from the air is rejected from the unit into the water loop via simple condenser.


7


Low Water Flow

We use better condensers than other manufacturers.

All manufacturers of regular WSHP use the heat exchanger on the left. It’s a coaxial condenser and must

also operate as an evaporator in the heating mode. The Bulldog is optimized for cooling mode only by

utilizing a more effective condenser – the shell and tube on the right.

Effective capacity at only 2gpm/ton

Results:

Smaller pumps

Smaller cooling towers

Smaller pipes

Less electrical consumption

Can tolerate higher EWT (125⁰F)

Can operate with a Dry Cooler instead of Evaporative Tower thereby eliminating water make up and water treatment chemicals (and the threat of Legionella)

Potentially smaller geothermal field

Less prone to fouling

Coaxial Condenser

Shell and Tube

Condenser


8


FreeHeat™

FreeHeat™ is defined as the process of reclaiming the heat generated within a building to directly satisfy

the heating needs of the building, without additional energy input.

The BULLDOG Heat Pump System conserves heat within the fluid loop instead of rejecting it to the

atmosphere through a heat sink. This FreeHeat™ can then be used for various building heating

requirements. Even with elevated fluid temperatures (maximum 125⁰F), the BULLDOG Heat Pump is still

able to perform mechanical cooling.

An example of how the BULLDOG design can take advantage of FreeHeat™ is for treating ventilation air.

The cost to treat make up air constitutes a significant portion of the buildings total annual energy

budget. Many buildings operate gas fired Make-Up Air units while simultaneously rejecting condenser

heat to a heat sink. The energy consumed by the heat sink or tower can be significant. With the

BULLDOG System, FreeHeat™ is used to treat the fresh air instead of rejecting the heat. This eliminates

the consumption of a fuel source to heat the fresh air during shoulder season.


9


IKV/HKV Model Nomenclature

00

84

: R4

10

a0

10

(21

)C

on

den

sate

Ov

erfl

ow

Sen

sor

01

00

20

(24

)M

ou

nti

ng

3rd

par

ty c

on

tro

ller

01

20

30

(41

)D

eman

d f

low

w/a

uto

flo

w v

alv

e

01

5 (1

)0

40

(42

)A

uto

Flo

w V

alv

e

01

8 (1

)0

50

(44

)C

oo

lin

g O

nly

un

it

(54

C)

Deh

um

idif

icat

ion

co

ntr

ol

wit

h C

on

stan

t fl

ow

01

6(5

4D

)D

ehu

mid

ific

atio

n c

on

tro

l w

ith

Dem

and

flo

w

02

0(6

1)

EC

M (2

)

02

4(6

8.1

)1

" M

ER

V 7

Fil

ter

03

0(7

1)

Inte

grat

ed E

RV

Co

re (3

)

03

6

04

2

04

8

C-0

: U

niv

ersa

l C

abin

et (

IKV

an

d H

KV

01

6-0

30

)(5

)

C2

-0:

Un

iver

sal

Cab

inet

(H

KV

03

6-0

48

)(8

6)

E-1

: I

nte

grat

ed E

RV

Cab

inet

(w

ith

Rig

ht

Han

d E

RV

) fo

r IK

V a

nd

HK

V0

16

-03

0(9

0.X

)

E-2

: I

nte

grat

ed E

RV

Cab

inet

(w

ith

Lef

t H

and

ER

V)

for

IKV

an

d H

KV

01

6-0

30

E2

-1:

In

tegr

ated

ER

V C

abin

et (

wit

h R

igh

t H

and

ER

V)

for

HK

V0

36

-04

8

E2

-2:

In

tegr

ated

ER

V C

abin

et (

wit

h L

eft

Han

d E

RV

) fo

r H

KV

03

6-0

48

(84

)L

ock

ing

Hin

ged

Ret

urn

Air

Pan

el (4

)

(92

)T

wo

pie

ce R

etu

rn A

ir P

anel

(93

)T

hre

e p

iece

Ret

urn

Air

Pan

el

No

tes:

(1)

I

KV

01

5 &

IK

V0

18

are

on

ly a

vail

ab

le w

ith

PSC

mo

tors

(2)

H

om

eKee

per

un

its

com

e w

ith

co

nst

an

t to

rqu

e E

C m

oto

r a

s st

an

da

rd

(3)

W

hen

ER

V i

s se

lect

ed, l

arg

er c

ab

inet

is

req

uir

ed

(4)

M

inim

um

2”

ba

se e

xten

sio

n i

s re

qu

ired

fo

r H

ing

ed R

etu

rn A

ir P

an

els

(5)

R

efe

r to

IK

V/H

KV

deta

iled

op

tio

n l

ist

-2:

Hin

ges

are

on

th

e ri

ght

RA

Pa

ne

l T

yp

e

UP

:

Pan

el f

or

Un

iver

sal

Cab

inet

EP

: P

anel

fo

r In

tegr

ated

ER

V C

abin

et

A: C

ust

om

Op

tio

ns

B: 2

08

/23

0 –

1 –

60

CH

AS

SIS

NO

ME

NC

LA

TU

RE

Mo

de

lN

om

. Ca

pa

city

(x1

00

0 B

TU

/h

)

Ele

ctri

cal

Su

pp

ly

(V -

Ph

- H

z)R

efr

ige

ran

tP

rod

uct

Re

vis

ion

Op

tio

ns

Co

mm

on

Op

tio

ns

(5)

D: 2

65

/27

7 –

1 –

60

HK

V

(Ho

me

Ke

ep

er)

G: 2

40

–1

– 6

0

IKV

(In

nK

ee

pe

r)

A: 1

15

-1-6

0S:

Sta

nd

ard

Un

it

(IK

V0

08

, IK

V0

10

& I

KV

01

2 o

nly

)X

: Op

tio

ns

Req

uir

ed

CA

BIN

ET

NO

ME

NC

LA

TU

RE

Mo

de

lC

ab

ine

t T

yp

eC

om

mo

n O

pti

on

s (5

)

IK

(In

nK

ee

pe

r C

ab

ine

t)L

EE

D P

ack

agin

g

HK

2 (

Ho

me

Ke

ep

er0

36

-04

8 R

A P

an

el)

Mo

de

l

IK

(In

nK

ee

pe

r R

A P

an

el)

Co

mm

on

Op

tio

ns

(5)

Arr

an

ge

me

nt

-0:

Sli

p L

ock

Pan

el (

no

hin

ges)

Bas

e E

xten

sio

n (4

)

Ele

ctri

cal

Rec

epta

cle

HK

(H

om

eK

ee

pe

r C

ab

ine

t)

HK

(H

om

eK

ee

pe

r01

6-0

30

RA

Pa

ne

l)

RE

TU

RN

AIR

PA

NE

L N

OM

EN

CL

AT

UR

E

-1:

Hin

ges

are

on

th

e le

ft


10


InnKeeper/HomeKeeper – Technical Information

IKV

00

8IK

V0

10

IKV

01

2IK

V0

15

IKV

01

8H

KV

01

6H

KV

02

0H

KV

02

4H

KV

03

0H

KV

03

6H

KV

04

2H

KV

04

8

cfm

28

03

20

36

04

50

54

05

00

60

07

20

90

01

,08

01

,26

01

,44

0

(l/s

)(1

32

)(1

51

)(1

70

)(2

12

)(2

55

)(2

36

)(2

83

)(3

40

)(4

25

)(5

10

)(5

95

)(6

80

)

BT

U/

hr

8,5

11

9,3

74

11

,49

81

4,5

59

14

,87

61

5,1

76

18

,22

92

4,1

21

27

,30

53

8,3

71

43

,49

24

8,3

01

(kW

)(2

.49

)(2

.75

)(3

.37

)(4

.27

)(4

.36

)(4

.45

)(5

.34

)(7

.07

)(8

.00

)(1

1.2

4)

(12

.74

)(1

4.1

5)

14

.71

3.9

13

.21

4.5

12

.91

5.1

16

.11

4.9

15

.51

6.3

14

.81

3.9

BT

U/

hr

11

,37

11

3,5

84

15

,74

41

6,7

60

17

,47

72

0,7

66

23

,73

32

6,8

77

31

,45

74

2,2

08

47

,22

45

1,8

77

(kW

)(3

.33

)(3

.98

)(4

.61

)(4

.91

)(5

.12

)(6

.08

)(6

.95

)(7

.87

)(9

.22

)(1

2.3

7)

(13

.84

)(1

5.2

0)

Fa

n S

ect

ion

PS

C m

oto

r1

/31

/31

/31

/31

/3N

AN

AN

AN

AN

AN

AN

A

EC

mo

tor

1/1

01

/10

1/1

0N

AN

A1

/31

/31

/31

/31

/23

/43

/4

Ty

pe

Siz

e &

Qu

an

tity

Un

it's

To

tal

Wa

ter

Vo

lum

eU

S g

al

(L)

0.6

35

(2

.4)

0.6

35

(2

.4)

0.7

14

(2

.7)

0.7

14

(2

.7)

0.7

14

(2

.7)

1.0

43

(3

.95

)1

.29

3 (

4.8

9)

1.2

93

(4

.89

)1

.29

3 (

4.8

9)

1.4

30

(5

.41

)2

.20

8 (

8.3

6)

2.2

08

(8

.36

)

Re

frig

era

nt

(41

0a

) ch

arg

eo

z. (

kg

)2

7 (

0.7

7)

27

(0

.77

)3

0 (

0.8

5)

35

(0

.99

)4

5 (

1.2

8)

32

(0

.91

)3

5 (

0.9

9)

40

(1

.13

)4

5 (

1.2

8)

50

(1

.42

)6

0 (

1.7

0)

60

(1

.70

)

Fo

rwar

d C

urv

ed D

WD

I x1

2 r

ow

s /

12

FP

I3

ro

ws

/ 1

2 F

PI

2 r

ow

s /

12

FP

I

1"

thic

k P

leat

ed

16

"x2

5",

1 f

ilte

r1

6"x

20

", 2

fil

ters

1"

thic

k P

leat

ed

2 r

ow

s /

12

FP

I

Scro

ll x

1

Shel

l an

d T

ub

e x

1

Ho

me

Ke

ep

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PE

RF

OR

MA

NC

E

ME

CH

AN

ICA

L I

NF

OR

MA

TIO

N

DX

Co

il, H

ea

tin

g C

oil

an

d F

ilte

r

Co

mp

ress

or

an

d C

on

de

nse

r

1/2

" M

PT

x 1

8"

3/4

" ID

Ho

se

Sta

nd

ard

Re

turn

Air

Fil

ter

He

ati

ng

Co

il -

No

of

Ro

ws

/ F

PI

2 r

ow

s /

12

FP

I

2 r

ow

s /

12

FP

I

Wir

e F

ram

e

14

"x1

6.7

5"

, 1 f

ilte

r

(1)

Co

oli

ng

Cap

acit

ies

bas

ed u

po

n 8

0.6

°F D

B, 6

6.2

°F W

B e

nte

rin

g ai

r te

mp

era

ture

, EW

T o

f 8

6°F

.

All

un

its

test

ed w

ere

eq

uip

ped

wit

h E

C m

oto

rs e

xcep

t IK

V0

15

an

d I

KV

01

8 w

hic

h w

ere

eq

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wit

h P

SC m

oto

rs.

(2)

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tin

g C

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ased

up

on

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nte

rin

g ai

r te

mp

era

ture

, EW

T o

f 1

20

°F, 2

gpm

/ t

on

an

d n

om

inal

air

flo

w

Co

mp

ress

or

Ty

pe

& Q

ua

nti

ty

Su

pp

ly /

Re

turn

Ho

se s

ize

1/2

" M

PT

x 1

8"

Co

nd

en

sate

dra

in3

/4"

ID H

ose

EE

R (

ISO

13

25

6-1

) (1

)

No

min

al

Air

flo

w

Co

oli

ng

Ca

pa

city

(IS

O 1

32

56

-1)

(1)

He

ati

ng

Ca

pa

city

at

No

min

al

Air

flo

w (2

)

Inn

Ke

ep

er

Ro

tary

x 1

Ro

tary

x 1

Shel

l an

d T

ub

e x

1

Ty

pe

& Q

ua

nti

tyF

orw

ard

Cu

rved

SW

SI x

1

Fa

n M

oto

r P

ow

er

Ra

tin

g (

hp

)

1/2

" M

PT

x 1

8"

3/4

" ID

Ho

se

Shel

l an

d T

ub

e x

1C

on

de

nse

r T

yp

e &

Qu

an

tity

3 r

ow

s /

12

FP

I

2 r

ow

s /

12

FP

I

Wir

e F

ram

e

14

"x1

6.7

5"

, 1 f

ilte

r

DX

Co

il -

No

of

Ro

ws

/ F

PI


11


InnKeeper/HomeKeeper – Technical Information

IKV

00

8IK

V0

10

IKV

01

2IK

V0

15

IKV

01

8H

KV

01

6H

KV

02

0H

KV

02

4H

KV

03

0H

KV

03

6H

KV

04

2H

KV

04

8

Ty

pe

Siz

e

11

5V

- 1

Ph

- 6

0 H

z9

.2/1

5.0

10

.4/1

5.0

13

.4/1

5.0

NA

NA

NA

NA

NA

NA

NA

NA

NA

20

8V

- 1

Ph

- 6

0 H

z5

.1/1

5.0

5.8

/15

.07

.4/1

5.0

10

.2/1

5.0

10

.3/1

5.0

11

.3/2

0.0

12

.7/2

0.0

17

.1/2

0.0

20

.2/3

0.0

24

.3/3

0.0

29

.9/4

0.0

35

.4/4

0.0

26

5V

- 1

Ph

- 6

0 H

z4

.0/1

5.0

4.5

/15

.05

.8/1

5.0

8.0

/15

.08

.1/1

5.0

8.9

/20

.01

0.0

/20

.01

3.5

/20

.01

5.9

/20

.01

9.1

/25

.02

3.4

/30

.02

7.8

/40

.0

Dim

ensi

on

s (L

x W

x H

)

Wei

gh

t, l

bs

(kg

)

Dim

ensi

on

s (L

x W

x H

)

Wei

gh

t, l

bs

(kg

)

Dim

ensi

on

s (L

x W

x H

)

Wei

gh

t, l

bs

(kg

)1

25

(5

7)

12

5 (

57

)1

25

(5

7)

15

0 (

68

)1

50

(6

8)

18

0 (

82

)1

80

(8

2)

18

0 (

82

)1

80

(8

2)

18

0 (

82

)1

80

(8

2)

18

0 (

82

)

Dim

ensi

on

s (L

x W

x H

)

Wei

gh

t, l

bs

(kg

)

ME

CH

AN

ICA

L I

NF

OR

MA

TIO

N

Inn

Ke

ep

er

Ho

me

Ke

ep

er

17

5 (

80

)

18

" x

18

" x

57

" (4

57

x 4

57

x 1

44

8m

m)

9"

x 1

8"

x 5

7"

(22

8 x

45

7 x

14

48

mm

)

80

(3

6)

24

" x

25

" x

84

" (6

10

x 6

35

x 2

13

3m

m)

Co

nsu

lt f

acto

ry

24

" x

35

" x

84

" (6

09

x 8

89

x 2

13

3m

m)

Co

nsu

lt F

acto

ry

22

.5"

x 2

2"

x 6

4"

(57

2 x

55

9 x

16

26

mm

)

9"

x 1

8"

x 5

7"

(22

8 x

45

7 x

14

48

mm

)

Co

nsu

lt F

acto

ry

Co

un

ter-

flo

w p

late

hea

t ex

chan

ger

10

0 C

FM

at

0.2

5 i

n. w

.g. E

SP

Sup

ply

an

d E

xhau

st B

low

er, C

on

stan

t V

olu

me

EC

Mo

tor

Wir

e F

ram

e

8"

x 7

"

ER

V

EL

EC

TR

ICA

L I

NF

OR

MA

TIO

N

PH

YSI

CA

L D

ET

AIL

S

Inte

gra

ted

ER

V C

ab

ine

t w

ith

Sa

tan

da

rd R

etu

rn A

ir P

an

el

8"

x 7

"

Air

Fil

ters

(Ex

ha

ust

an

d F

resh

Air

)

Wir

e F

ram

e

Un

it's

MC

A/

MO

P

Fa

n M

oto

r

ER

V9

" x

13

" x

48

" (2

28

x 3

30

x 1

21

9m

m)

60

(2

7)

Ch

ass

is1

3"x

16

" x

48

" (3

30

x 4

06

x 1

21

9m

m)

14

" x

18

" x

84

" (

35

5 x

45

7 x

21

33

mm

)

11

0 (

50

)

14

" x

27

" x

84

" (3

55

x 6

86

x 2

13

3m

m)

15

0 (

68

)

20

" x

20

.5"

x 8

4"

(50

8 x

52

1 x

21

33

mm

)

13

5 (

61

)

20

" x

29

.5"

x 8

4"

(50

8 x

74

9 x

21

33

mm

)

Un

ive

rsa

l C

ab

ine

t w

ith

Sta

nd

ard

Re

turn

Air

Pa

ne

l

Sup

ply

an

d E

xhau

st B

low

er, C

on

stan

t V

olu

me

EC

Mo

tor

ER

V C

ore

ty

pe

Co

un

ter-

flo

w p

late

hea

t ex

chan

ger

Ma

xim

um

Air

flo

w5

0 C

FM

at

0.2

5 i

n. w

.g. E

SP


12


InnKeeper/HomeKeeper – General Performance

IKV

00

8IK

V0

10

IKV

01

2IK

V0

15

IKV

01

8IK

00

8IK

01

0IK

01

2H

KV

01

6H

KV

02

0H

KV

02

4H

KV

03

0H

KV

03

6H

KV

04

2H

KV

04

8

Air

Flo

w(C

FM

)2

59

32

34

10

44

84

64

28

03

20

36

05

00

60

07

20

90

01

,08

01

,26

01

,44

0

Flu

id F

low

(gp

m)

1.4

1.7

22

.53

1.4

1.7

22

.83

.54

56

78

Tota

l Cap

acit

y(BTU

/h)

8,0

83

9,3

07

11

,71

51

4,3

87

16

,56

98

,27

79

,44

61

1,7

15

16

,12

91

8,3

60

24

,23

62

7,4

03

38

,33

54

3,4

83

48

,31

5

Sen

sib

le(BTU

/h)

6,4

57

7,7

80

9,9

50

11

,33

31

2,5

49

6,9

01

7,8

74

9,2

65

13

,07

21

5,1

62

18

,89

62

2,0

21

29

,11

13

3,5

58

37

,86

0

Tota

l Po

we

r(W

)5

76

71

78

74

1,0

45

1,2

25

53

76

74

82

99

01

1,1

29

1,6

08

2,1

73

2,3

64

2,7

48

3,2

54

LAT

(DB

/WB

)(oF)

57

.6/5

6.8

58

.4/5

7.6

58

.2/5

7.4

57

.3/5

6.5

55

.7/5

4.9

57

.9/5

7.1

57

.9/5

7.1

56

.9/5

6.1

56

.5/5

5.7

57

.3/5

6.5

56

.4/5

5.6

58

.0/5

7.2

55

.8/5

5.0

56

.1/5

5.2

56

.4/5

5.6

14

.01

3.0

13

.41

3.8

13

.51

5.4

14

.01

4.1

17

.91

6.3

15

.11

2.6

16

.21

5.8

14

.8

Tota

l Cap

acit

y(BTU

/h)

2,1

87

2,6

12

3,0

28

3,2

23

3,3

61

2,2

94

2,6

00

2,8

02

3,9

93

4,5

64

5,1

69

6,0

49

8,1

17

9,0

82

9,9

76

Tota

l Po

we

r(W

)1

20

14

01

45

18

02

20

82

97

10

05

58

21

23

53

43

00

41

15

53

LAT

(oF)

77

.87

7.5

76

.87

6.6

76

.77

7.6

77

.57

7.2

77

.47

7.0

76

.67

6.2

76

.97

6.6

76

.4

LWT

(oF)

76

.97

6.9

77

.07

7.4

77

.87

6.7

76

.97

7.2

77

.17

7.4

77

.47

7.6

77

.37

7.4

77

.5

Tota

l Cap

acit

y(BTU

/h)

7,8

13

8,9

90

11

,37

01

3,9

56

16

,05

38

,00

59

,13

01

1,3

74

15

,66

91

7,8

06

23

,44

42

6,5

75

33

,25

24

2,1

63

46

,85

8

Sen

sib

le(BTU

/h)

6,4

06

7,7

19

9,8

84

11

,25

01

2,1

87

6,8

49

7,8

14

9,1

99

12

,98

41

5,0

56

18

,74

42

1,8

63

27

,43

13

2,4

81

36

,63

9

Tota

l Po

we

r(W

)6

03

74

99

14

1,1

01

1,2

82

56

57

06

86

99

58

1,1

90

1,7

15

2,2

86

2,4

79

2,9

01

3,4

38

LAT

(DB

/WB

)(oF)

57

.8/5

7.0

58

.5/5

7.7

58

.4/5

7.6

57

.4/5

6.6

56

.4/5

5.6

58

.1/5

7.3

58

.1/5

7.3

57

.0/5

6.2

56

.7/5

5.9

57

.5/5

6.7

56

.6/5

5.8

58

.2/5

7.4

57

.2/5

6.4

56

.8/5

6.0

57

.1/5

6.3

12

.91

2.0

12

.41

2.7

12

.51

4.2

12

.91

3.1

16

.41

5.0

13

.71

1.6

13

.41

4.5

13

.6

Tota

l Cap

acit

y(BTU

/h)

3,2

80

3,9

18

4,5

42

4,8

35

5,0

42

3,4

41

3,9

00

4,2

03

5,9

90

6,8

46

7,7

53

9,0

74

12

,17

61

3,6

22

14

,96

5

Tota

l Po

we

r(W

)1

20

14

01

45

18

02

20

82

97

10

05

58

21

23

53

43

00

41

15

53

LAT

(oF)

81

.78

1.2

80

.28

0.0

80

.08

1.3

81

.28

0.8

81

.08

0.5

79

.97

9.3

80

.48

0.0

79

.6

LWT

(oF)

80

.38

0.4

80

.58

1.1

81

.68

0.1

80

.48

0.8

80

.78

1.1

81

.18

1.4

80

.98

1.1

81

.3

Tota

l Cap

acit

y(BTU

/h)

7,5

29

8,6

66

11

,01

21

3,5

34

15

,52

67

,71

98

,80

61

1,0

20

15

,21

81

7,2

41

22

,64

12

5,7

26

32

,16

34

0,8

17

45

,37

5

Sen

sib

le(BTU

/h)

6,2

27

7,5

02

9,6

18

11

,17

01

2,0

86

6,7

94

7,7

52

9,1

32

12

,65

71

4,9

48

18

,59

02

1,2

67

26

,70

23

2,2

23

36

,35

5

Tota

l Po

we

r(W

)6

32

78

29

54

1,1

60

1,3

40

59

37

39

90

81

,01

61

,25

21

,82

22

,40

82

,62

83

,06

33

,63

4

LAT

(DB

/WB

)(oF)

57

.0/5

6.2

57

.9/5

7.1

57

.9/5

7.1

56

.4/5

5.6

55

.2/5

4.4

57

.4/5

6.6

57

.4/5

6.6

56

.4/5

5.6

56

.9/5

6.1

57

.2/5

6.4

56

.3/5

5.5

57

.0/5

6.2

57

.0/5

6.2

56

.0/5

5.2

56

.2/5

5.4

11

.91

1.1

11

.51

1.7

11

.61

3.0

11

.91

2.1

15

.01

3.8

12

.41

0.7

12

.21

3.3

12

.5

Tota

l Cap

acit

y(BTU

/h)

4,3

73

5,2

25

6,0

55

6,4

46

6,7

22

4,5

88

5,1

99

5,6

04

7,9

87

9,1

28

10

,33

71

2,0

99

16

,23

41

8,1

63

19

,95

3

Tota

l Po

we

r(W

)1

20

14

01

45

18

02

20

82

97

10

05

58

21

23

53

43

00

41

15

53

LAT

(oF)

85

.68

4.9

83

.68

3.3

83

.38

5.1

85

.08

4.3

84

.78

4.0

83

.28

2.4

83

.98

3.3

82

.8

LWT

(oF)

83

.88

3.9

83

.98

4.8

85

.58

3.4

83

.98

4.4

84

.38

4.8

84

.88

5.2

84

.68

4.8

85

.0

EC

Mo

tor

Co

oli

ng

: 8

0.6

/66

.2⁰F

(D

B/W

B)

EA

T, H

eati

ng

: 7

0⁰F

EA

T, W

ate

r O

nly

, 0.2

5 i

nch

W.G

. Ext

ern

al

Sta

tic

Pre

ssu

re

Co

oli

ng

: 8

0.6

/66

.2⁰F

(D

B/W

B)

EA

T, H

eati

ng

: 7

0⁰F

EA

T, W

ate

r O

nly

, 0.2

5 i

nch

W.G

. Ext

ern

al

Sta

tic

Pre

ssu

re

Co

oli

ng

: 8

0.6

/66

.2⁰F

(D

B/W

B)

EA

T, H

eati

ng

: 7

0⁰F

EA

T, W

ate

r O

nly

, 0.2

5 i

nch

W.G

. Ext

ern

al

Sta

tic

Pre

ssu

re

PS

C M

oto

r

80

⁰F E

WT

85

⁰F E

WT

90

⁰F E

WT

Mo

de

l

COOLING

Op

era

tin

g EE

R

HEATING HEATINGCOOLING

Op

era

tin

g EE

R

HEATING COOLING

Op

era

tin

g EE

R


13



IKV

00

8IK

V0

10

IKV

01

2IK

V0

15

IKV

01

8IK

00

8IK

01

0IK

01

2H

KV

01

6H

KV

02

0H

KV

02

4H

KV

03

0H

KV

03

6H

KV

04

2H

KV

04

8

Air

Flo

w(C

FM

)2

59

32

34

10

44

84

64

28

03

20

36

05

00

60

07

20

90

01

,08

01

,26

01

,44

0

Flu

id F

low

(gp

m)

1.4

1.7

22

.53

1.4

1.7

22

.83

.54

56

78

Tota

l Cap

acit

y(BTU

/h)

6,9

39

8,0

01

10

,24

21

2,6

79

14

,44

57

,12

58

,14

11

0,2

60

14

,30

71

6,0

83

21

,02

42

3,9

43

29

,87

23

8,0

52

42

,29

9

Sen

sib

le(BTU

/h)

6,1

14

7,3

74

9,4

71

10

,79

01

1,5

75

6,5

45

7,4

70

8,8

13

12

,48

21

4,4

37

17

,93

42

0,9

25

26

,26

43

1,0

87

35

,07

2

Tota

l Po

we

r(W

)6

89

84

91

,03

71

,28

91

,45

76

51

80

69

91

1,1

43

1,3

76

2,0

39

2,6

80

2,9

62

3,4

24

4,0

69

LAT

(DB

/WB

)(oF)

58

.8/5

8.0

59

.5/5

8.7

59

.3/5

8.5

58

.4/5

7.6

57

.6/5

6.8

59

.1/5

8.3

59

.1/5

8.3

58

.0/5

7.2

57

.6/5

6.8

58

.4/5

7.6

57

.6/5

6.8

59

.2/5

8.4

58

.2/5

7.4

57

.9/5

7.1

58

.2/5

7.3

10

.19

.49

.99

.89

.91

0.9

10

.11

0.4

12

.51

1.7

10

.38

.91

0.1

11

.11

0.4

Tota

l Cap

acit

y(BTU

/h)

6,5

60

7,8

37

9,0

83

9,6

69

10

,08

36

,88

27

,79

98

,40

51

1,9

80

13

,69

21

5,5

06

18

,14

82

4,3

51

27

,24

52

9,9

29

Tota

l Po

we

r(W

)1

20

14

01

45

18

02

20

82

97

10

05

58

21

23

53

43

00

41

15

53

LAT

(oF)

93

.49

2.4

90

.48

9.9

90

.09

2.7

92

.59

1.5

92

.19

1.0

89

.88

8.6

90

.88

9.9

89

.2

LWT

(oF)

90

.69

0.8

90

.99

2.3

93

.39

0.2

90

.89

1.6

91

.49

2.2

92

.29

2.7

91

.99

2.2

92

.5

Tota

l Cap

acit

y(BTU

/h)

6,6

43

7,6

64

9,8

23

12

,22

81

3,8

92

6,8

27

7,8

04

9,8

46

13

,82

81

5,4

92

20

,22

52

2,9

97

28

,66

43

6,6

36

40

,68

8

Sen

sib

le(BTU

/h)

5,9

32

7,3

10

9,1

93

10

,70

41

1,4

69

6,4

88

7,4

06

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14



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15


IKV Universal Cabinet – Detail Drawing


16


IKV ERV Cabinet – Detail Drawing


17


HomeKeeper Universal Cabinet (HKV016-030) – Detail Drawing


18


HomeKeeper ERV Cabinet (HKV016-030) – Detail Drawing


19


HomeKeeper 2 Universal Cabinet (HKV036-048) – Detail Drawing

HKV2 UNIT WILL NOT BE RELEASED UNTIL JANUARY 2021 *


20


HomeKeeper 2 ERV Cabinet (HKV036-048) – Detail Drawing

HKV2 UNIT WILL NOT BE RELEASED UNTIL JANUARY 2021 *


21


IKV/HKV Wiring Schematic


22


InnKeeper/HomeKeeper – Detailed Options

MISCELLANEOUS: Option Available Description Option notes

2 IKV/ HKV Extended 5 year compressor warranty

This option provides an extended compressor only warranty for an additional 4 years. Shipping costs are not included. (parts only)

3 IKV / HKV Extended 5 year refrigerant circuit warranty

This option provides an extended warranty for an additional 4 years for all refrigeration components including the compressor, the evaporator, the condenser, the TX valve, and the pressure switches. It does not include piping or refrigerant. Shipping costs are not included (parts only).

5 IKV / HKV LEED Packaging Shipping packaging materials that meet the LEED requirements.

REFRIGERATION: Option Available Description Option notes

10 HKV 024-048

Two step scroll This option provides for two stage cooling capability through a two-step, single compressor that provides 30% capacity reduction when operating on first stage. (70% capacity). Internal controls are included to provide two stage operations. A two-stage thermostat is required. This is not available with option 40.

15 IKV / HKV Sight glass This option provides a sight glass in the refrigeration circuit

CONTROLS: Option Available Description Option notes

20 IKV / HKV Aux heating stage Heating output is tied to aux input. It is used for aux heat in some other part of space.

21 IKV / HKV Condensate overflow protection

This option will provide a solid state condensate sensor that will terminate cooling operation if the drain-pan level rises too high. Condensate overflow alarm changes the state of the alarm lockout relay for remote monitoring.

22 IKV / HKV Set up to 230 V/1 Select this option if the units are to operate at 230 volts single phase.

24 IKV / HKV Mount third party DDC

Select this option to have third party DDC controllers mounted on or in the unit. Included is a box to hold the controller and isolation transformer if there is no available space. Alarm signal will be provided to the DDC controller. The controller transmits calls and lockout signals to the onboard heat pump controller. The controller will be installed inside the cabinet above the chassis.

WATER SIDE: Option Available Description Option notes

40 IKV / HKV Pump or valve flow control signal

Select this option to provide a 24VAC signal for the control of a valve or a pump (supplied by others) to provide flow only during a heating or cooling call. Not available with option 10. Consult factory.

41 IKV / HKV Demand flow control

This option is required for variable volume pumping systems. This option also provides an auto flow valve which is an automatic throttling valve that controls the amount of water through the unit when it is either heating or cooling.

41A IKV / HKV Demand flow - auto flow valve not included

This option is required for variable volume pumping systems. Auto flow valve is not included with this option.

41H IKV / HKV Demand flow Hays flow control valve

This option is required for variable volume pumping systems. A Hays auto flow valve is used instead of the standard auto flow valve and is used as an automatic throttling valve that controls the amount of water through the unit when it is either heating or cooling.

42 IKV / HKV Auto flow limiting control

This option provides an auto flow valve which is an automatic throttling valve that controls the amount of water through the unit when it is either heating or cooling.

42H IKV / HKV Hays auto flow limiting control

This option provides a Hays auto flow valve to our standard unit. The auto flow valve is an automatic throttling valve that controls the amount of water through the unit when it is either heating or cooling.

44 IKV / HKV Cooling only unit This option provides a water-regulating valve. The unit becomes a demand flow unit. Heating coil is omitted.

46 IKV / HKV In-Floor supplemental heating package

This COMFORTZONE option provides built in valves and controls to connect to a supplemental in-floor heating system. The in-floor heating mode operates as the first stage of heat. Only available with factory supplied risers as the valve is mounted to the riser.


23


InnKeeper/HomeKeeper – Detailed Options

WATER SIDE:

Option Available Description Option notes

54C IKV /

HKV

Dehumidification

control with

constant flow

This option provides the heating coil in the reheat position for dehumidification. Internal controls are

provided but a thermostat/humidistat is required. Thermostat must utilize a third output to energize

dehumidification. Thermostats that activate simultaneously the heat and cool calls to energize

dehumidification will not work. Autoflow valve not included.

54D IKV /

HKV

Dehumidification

control with

demand flow

This option provides the heating coil in the reheat position for dehumidification. Internal controls are

provided but a thermostat/humidistat is required. Thermostat/humidistat must utilize a third output

to energize dehumidification. Thermostats that activate simultaneously the heat and cool calls to

energize dehumidification will not work. Autoflow valve not included.

59 IKV /

HKV

7/8” Condensate

hose

This option provides the unit with a 3/4” condensate hose – swaged on one end to 7/8”.

AIRSIDE: Option Available Description Option notes

61 IKV EC Motor (ECM) This option provides an EC motor on IKV units. (Standard on HKV Units) IKV015 and IKV018 change to a HKV016 and HKV020 respectively.

61E HKV 016-048

Constant volume EC motor

Select this option for an EC motor that provides constant volume on direct drive units. Consult factory on details regarding voltage, speed and size requirements. Must choose at the time of order.

65 IKV / HKV High speed fan This option is a single speed fan and allows the heat pump to run on high speed for heat calls, cool calls, and fan only calls. It can provide high CFM capability at all times.

68.1 IKV / HKV 1” MERV 7 or 8 filters

This option provides 1” MERV 7 or 8 filters as opposed to the standard filters.

VERTICAL STACK SPECIFIC: Option Available Description Option notes

71 IKV / HKV Energy Recovery

Ventilator

This option provides an Integrated Energy Recovery Ventilator (ERV) for vertical stack units. It includes

an extended cabinet to accommodate modified chassis, heat exchanger core, and the fan box

assembly. The ERV runs with the chassis fan. ERV fans are constant volume EC type.

71R IKV / HKV Energy recovery

ventilator with

relay

This option is the same as above but also provides a 120 volt relay in the cabinet to interlock with a

120V bathroom timer switch to turn on ERV. Wired by others. Must use the SC5811 or the 5010

thermostat. Bathroom switch not included.

83 IKV / HKV Motorized fresh

air damper

Select this option to have a motorized fresh air damper in the IKV or HKV cabinets, which is controlled

from heat pump and actuator (24V). Consult factory if controls are done by others.

84 IKV / HKV Hinged front

panel with lock

and frame

This option provides a hinged access door with lock and frame. Requires Option 90 for minimum 2”

base extension.

85 IKV / HKV Hinged front

panel with frame

This option provides a hinged access door with frame. Requires option 90 with minimum 2” base

extension.

86 IKV / HKV Electrical

receptacle

This option provides an electrical receptacle with the vertical stack cabinets.

87.X IKV / HKV Thermostat cable

included with

cabinet

This option provides thermostat cable for quick connection in field. Ordered by 5ft increments up to

50ft.

88 IKV / HKV Garden hose

connection

This option provides garden hose connections on all chassis supply and return lines for connection to

factory risers built before 2012.

89 IKV / HKV 24” Supply/

return hoses

This option provides 24-inch supply and return hoses for vertical stack units.

90.X IKV / HKV Base extension This option provides a base extension to the cabinet. Measured from the base of the chassis to bottom

of the base. Ordered by inches with 2” minimum up to a 12” maximum.

92 IKV / HKV 2 piece RA panel This provides a return air panel with boot and punched grill.

93 IKV / HKV 3 piece RA panel This provides a return air panel with separate punch grill and boot.


24


IKV/HKV Options and Accessories – Return Air Panels

Standard

Standard Return Air Panel with a return opening and boot

Option 84

Hinged Return Air Panel with lock, frame and boot. Requires a minimum 2” base extension (option 90)


25


IKV/HKV Options and Accessories – Return Air Panels

Option 92

Two Piece Return Air Panel with boot and punched grille

Option 93

Three Piece Return Air Panel with boot and separate

punched grille


26


IKV/HKV Options and Accessories – Piping Schematics

Standard Demand Flow Control (Option 41)

Dehumidification – Constant Flow (Option 54C) Dehumidification – Demand Flow (Option 54D)


27


IKV/HKV Options and Accessories – Optional Riser Bundle


28


IKV/HKV Options and Accessories – Thermostats

MODEL DESCRIPTION

SC2010L

Single stage heat / cool

Single stage heat pump

No Auxiliary Heat

Non-Programmable

Manual Change Over (MCO)

Large display with backlight

SC3010L Single stage heat / cool


No Auxiliary Heat

Programmable

Manual Change Over (MCO)


SC4010L Single stage heat / cool


No Auxiliary Heat

Non-Programmable

Automatic / Manual Change Over (ACO/ MCO)


SC4811L 2-stage heat / cool

Single or dual stage heat pump

With Auxiliary Heat

Non-Programmable

Automatic / Manual Change Over (ACO/ MCO)


SC5010L (ERV Compatible) Single stage heat / cool


No Auxiliary Heat

Programmable

Automatic/ Manual Change Over (ACO/ MCO)


SC5811L (ERV Compatible) 2-stage heat / cool

Single or dual stage heat pump

With Auxiliary Heat

Programmable

Automatic/ Manual Change Over (ACO/ MCO)



29


InnKeeper/HomeKeeper Models “IKV/HKV” Guide Specifications

Part 1: General 1.1 The HVAC system is based on BULLDOG Heat Pump System. 1.2 The system will automatically provide the availability of heating or cooling functions 24 hours a day, 365 days a year without need for changeover. 1.3 Model selection and performance shall be in accordance with the schedule on the drawings. 1.4 Mechanical cooling shall be enabled with Entering Condenser Water below 125⁰F and 2 GPM/ton. 1.5 Each unit/chassis shall be pressure tested with Nitrogen on both the refrigerant and fluid (water) circuits followed by a helium leak detection program for both circuits. Units are then attached to the vacuum system for at least 2 hours and monitored. 1.6 Each unit shall be run tested for a minimum of 15 minutes with a water/glycol solution to ensure 100% functionality in all

modes of operation. Individual units/chassis shall be self-contained and complete when shipped from the factory. 1.7 Units shall be safety certified and bear a seal of approval from one of UL/ULC/ETL or ESA. All units must be AHRI certified and meet ASHRAE 90.1 minimum standard. 1.8 Manufacturer shall warrant the parts only of each unit for a period of 12 months from the start-up date or 18 months from the unit shipment date whichever occurs first. 1.9 Commissioning of the BULDOG units shall be performed by a CGC trained technician. A commissioning report shall be provided by the commissioning technician for review and approval by the owner’s representative. 1.10 It is the contractor’s responsibility to have the fluid system properly flushed and cleaned prior to commissioning. 1.11 Alternate proposals shall include consideration for equipment space requirements, pipe and equipment sizing, electrical installation impact, operation costs, sound implications and redesign fees.


30


Part 2: Mechanical Parts

2.0 Cabinets

2.1.1. The cabinets are fabricated with heavy gauge

galvanized steel with all interior of the cabinet lined

with ½” acoustic insulation shipped as one complete

enclosure.

2.1.2. The supply air openings shall be pre-punched

knockout panels to allow easy field selection of

available discharge arrangements.

2.1.3. The cabinet shall be designed for direct

application of drywall. Studs are only required on the

risers side.

2.1.4. The contractor shall ensure unit cabinet is

plumb prior to application of drywall.

2.1.5. The universal cabinet is configured on site for

either right or left handed units.

2.1.6. Cabinet shall be equipped with electrical box for

accepting plug from chassis, wiring and receptacle by

other.

*(Optional) Receptacles can be provided – wiring by others.

*(Optional) A baffle shall be installed to provide blocking of sight and sound between adjacent rooms –

baffles are field installed by others.

2.1.7. The cabinet shall ship in an enclosed truck to avoid insulation getting wet in transit, tarps not

recommended.

2.2 Return Air Panel

2.2.1. The surface mounted front panel shall provide acoustic dampening, front return air and access to

facilitate normal unit maintenance and service.

2.2.2. The front panel shall be constructed of heavy gauge steel lined with ½” acoustic insulation.

Standard off-white factory painted finish.

2.2.3. A return opening and boot shall be provided in the front panel to allow air to enter at floor level.

(Optional) other panel options are available upon request.


31


2.3 Chassis

2.3.1. The chassis must be a complete self-

contained unit. Fan and motor integral to

cabinet is not acceptable.

2.3.2. The chassis shall be complete with

refrigeration circuit, hydronic circuit, blower

assembly, controls and an internal corrosion

resistant stainless steel insulated condensate

drain pan with condensate drain. P-trap is

fashioned by factory provided condensate

hose in the field.

2.3.3. The chassis shall be fabricated with

insulated separate blower and compressor

sections to minimize compressor sound

transmission. Manufacturers shall provide

Ultra Quiet Acoustical Package.

2.3.4. The chassis shall be complete with a

control access cover. The cover shall be easily

removable to provide access to controls.

2.3.5. The service panel shall be easily

removable and sufficiently large to allow

access to all refrigeration components.

Contractor shall verify location of service

panels and assure access.

2.3.6. The chassis shall be completely

removable by disconnecting supply and return

hoses, condensate hose, thermostat terminal

block and line voltage plug-in power

connection.

2.3.7. The chassis shall be complete with

braided flexible hoses rated at 400psi for supply

and return connections. A clear reinforced

condensate hose/trap shall be provided with

the chassis. The trap must be visible by simply

removing the front panel.

2.3.8. The plug connection shall provide

positive disconnect of main power to chassis.

2.3.9. The contractor shall ensure chassis

including complete operating system, blower

and controls is removable with adequate

service and access clearance.

2.4 Blower and Motor

2.4.1. The complete blower section including

motor shall be easily accessible and removable

for service.

2.4.2. The blower shall be statically and

dynamically balanced.

2.4.3. The blower motor shall be direct drive,

single phase with integral thermal overload

protection with standard PSC motor for sizes

008 to 018 and EC motor for HomeKeeper units.

*(Optional) EC motors are available on

InnKeeper units sizes 008-012.

2.4.4. The blower shall be direct drive forward

curved, SWSI centrifugal blower for IKV units

and DWDI for HKV units.

2.5 Filter

2.5.1. The filter chamber shall be an integral

part of the system located on return air path

and should be serviceable from the front of the

unit.

2.5.2. The filter shall be standard capacity,

polyester type shipped with chassis.

*(Optional) 1” MERV 7 filter


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2.6 Heating Loop

2.6.1. The refrigerant circuit shall not operate

in the heating mode.

2.6.2. Heating coil shall be

aluminum fin and copper tube

construction rated to

withstand 300 PSI working

pressure.

*(Optional) The heating coil

can be mounted in the reheat

position for dehumidification

– humidistat by others.

*(Optional) For cooling only

units, the heating coil can be

omitted. This option provides a water-

regulating valve.

Part 3: Refrigeration Parts

3.1 Refrigeration System

3.1.1. The refrigeration circuit shall be available

for operation on non-ozone depleting R410a

refrigerant. Refrigeration circuit does not

operate in heating mode. Reversing type heat

pump unit manufacturer must supply a life time

of Parts and Labour Warranty on the reversing

valve.

3.1.2. The refrigeration circuit shall have the

following components:

Thermal Expansion Valve with external equalizer

Filter dryer

High pressure cut-out

High pressure service port

Low pressure cut-out

Low pressure service port

*(Optional) Sight glass

3.1.3. The service ports shall be located to

facilitate field service with unit in place.

3.1.4. All refrigerant piping shall be of type ACR

copper pipe.

3.1.5. The refrigerant circuit and components

shall be factory assembled in a sealed, leak and

performance tested, properly charged system.

3.1.6. The sealed refrigerant circuit shall be

certified for 600 PSIG working condensing

pressure.

3.2 Compressor

3.2.1. The compressor shall be high efficient

sealed hermetic rotary type for sizes 008-024

and scroll type for sizes 030-048.

3.2.2. The compressor shall be externally

isolated on rubber mounts and connected to

refrigerant circuit with floating piping to

minimize sound transmission.

3.2.3. The compressor motor shall have integral

thermal overload protection.

3.2.4. The compressor shall not operate in the

heating mode.

3.2.5. The compressor shall be provided with a

5 minute restart delay to avoid compressor

short cycling and low pressure lockout.

3.3 Direct Expansion Evaporator Coil

3.3.1. The refrigerant to air heat exchanger shall

be aluminum fin and copper tube construction

rated to withstand 470 PSI refrigerant working

pressure.

3.3.2. The coil shall have a maximum face

velocity of 500 FPM.


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3.3.3. A stainless steel condensate drain pan

shall be provided under the coil.

.4Condenser Module I

3.4 Water Cooled Condenser Module

The condenser shall be high efficiency

refrigerant-to-water heat exchanger of copper

inner water tube, minimum ½” diameter and

steel refrigerant outer shell rated to withstand

600 PSI refrigerant working pressure and 300

PSI water pressure.

3.5 Valve Configuration – Factory Installed

All units shall be supplied with a 3 way valve for

continuous flow.

* (Optional) For variable water flow pumping

systems, all units shall be supplied with a flow

limiting device and two 2 way control valves (1

for heating and 1 for cooling). If the system is

bottom fed, all units at the top of each riser

shall only be supplied with a standard 3 way

valve for continuous water flow.

Part 4: Control Systems

4.1 System

4.1.1. The unit shall be complete with a

standard microprocessor controlled electronic

circuit board.

4.1.2. The control panel shall be supplied with

individual 24 VAC control transformer.

4.1.3. The control panel shall have LED

indicators displaying thermostat call, unit

operation and alarms.

4.1.4. The control board shall operate with:

A 24 volt thermostat

Onboard fuse protection

4.1.5 A remote alarm contact available for

connection to alarm monitor by others –

monitored and wired by others.

4.1.6 BMS override function available to disable

compressor only or disable unit. BMS override

and wiring by others.

*(Optional) 3rd party provided BACnet

controllers supplied by others can be installed

and wired inside the cabinet above the chassis.

*(Optional) Condensate High Level Monitor and

alarm is available.

*(Optional) Different types of BULLDOG

thermostats are available upon request.

4.2 Alarms

The standard Control Panel shall have the

following standard alarms:

Low coil temperature

High leaving water temperature

Low discharge air temperature

Low refrigerant pressure

High refrigerant pressure High condensate level (Sensor Optional)


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Part 5: Risers (Optional)

5.1.1. The supply and return risers shall be

type “M” copper. Type “L” copper it optional.

The condensate riser shall be 1” diameter type

“M” copper.

*(Optional) Closed cell pipe

insulation: 3/8”, or 1/2” or 1”

5.1.2. Each riser to be supplied

with factory swaged expanded

top end to accept risers from the

unit above and to minimize field

brazing.

*(Optional) Non-swaged ends

are optional.

5.1.3. The supply and return

risers shall be factory supplied

with service isolation ball valves.

5.1.4. The risers shall be pre-bundled with

metal channel so that the riser hooks onto the

slip fit connection to the left, right, or back side

of the cabinet.

5.1.5. The copper risers shall be isolated from

the metal channel and cabinet with neoprene

isolation. Risers shall not make metal to metal

contact with housing.

5.1.6. The riser diameter shall be as shown on

plans. Riser length and schedule shall be

coordinated with the mechanical contractor.

5.1.7. It is the responsibility of the supplier of

the risers to provide a “Riser Schedule”

indicating riser diameters, lengths, options, unit

size and location.

Part 6: Integrated ERV (Optional)

6.1 System Description

6.1.1. The Energy Recovery Ventilators shall be

an integrated part of the Vertical Stack Cabinet

and is based on the BULLDOG Heat Pump

System. The integrated ERV will consist of a fan

box with an exhaust and fresh hair fan and an

ERV core.

6.1.2. The entire ERV unit shall be completely

removable and accessible from the cabinet`s

front panel.

6.1.3. The system will automatically provide

fresh air to the space when the Vertical Stack

chassis main supply fan operates. The

integrated ERV utilizes an exhaust and fresh air

fan as well as a passive energy recovery core.

The ERV fans will operate whenever there is a

call for heating or cooling from the thermostat,

when the thermostat fan selector switch is in

the "ON" position or when a remote, field

supplied and installed by others, dry contact

switch is closed. (Remote switch is optional).

6.1.4. Airflow System:

The exhaust air enters the top of the integrated ERV whenever the exhaust air

fan is operational. If the Vertical Stack

chassis main supply fan is off, air from the

washroom exhaust fan (by others) bypasses

the ERV core and is expelled outside. If the

Vertical Stack main supply fan is on then the

exhaust bypass damper closes forcing

exhaust air to pass through the integrated

ERV core which is then expelled outside.

The ERV fresh air fan draws outside air into

the integrated ERV core and heat and

moisture (from the exhaust air) is passed

through to the fresh air.


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The fresh air is released inside the Vertical stack unit cabinet where the main supply fan draws it into the chassis and distributes it to the space.

In the unlikely event of frost build up on the ERV core, a fresh air discharge air temperature sensor will momentarily stop the fresh air fan unit the air returns to the normal limit.

6.1.5. Model selection and performance shall

be in accordance with the schedule on the

drawings. The InnKeeper (008-018) Integrated

ERV is designed to exhaust 50 CFM (23 L/s) of

air at an ESP of 0.25" (62 Pa) W.C.

6.1.6. The HomeKeeper (016-048) Integrated

ERV is designed to exhaust 100 CFM (47 L/s) of

air at an ESP of 0.25" (62 Pa) W.C.

6.1.7. Each ERV shall be run tested to verify

proper operation.

6.1.8. The Integrated ERV/Chassis assembly

shall be safety certified and bear a seal of

approval from one of UL/ULC/ETL or ESA.

6.1.9. Manufacturer shall warrant the parts

only of each unit for a period of 12 months from

the start-up date or 18 months from the unit

shipment date whichever occurs first.

6.1.10. The system shall never be used during

the construction phase as fine dust can

permeate the ERV core resulting in loss or

performance, or failure.

6.1.11. Alternate proposals shall include

consideration for equipment space

requirements accessibility, pipe and equipment

sizing electrical installation impact, operation

costs, sound implications and redesign fees.

6.2 Cabinet

6.2.1. The Integrated ERV Cabinet shall be

constructed from heavy gauge galvanized steel

and has internal channels to direct air from the

exhaust and fresh air through the ERV core.

6.2.2. The cabinet incorporates a bypass

damper to allow exhaust air to exit the building

if the ERV exhaust fan is off.

6.3 ERV Fan Box

6.3.1. The Integrated ERV fan box shall be

fabricated from heavy gauge galvanized steel.

6.3.2. The ERV Fan Box connected electrically

to the vertical stack chassis via a two-piece pin

and socket interconnection. Connection by

others.

6.4 ERV Core

6.4.1. The ERV Core consist of a membrane

constructed from a composite polymer material

that allows heat and water vapor to transfer

from one air stream to the other while

preventing cross contamination.


36


6.4.2. The core shall be encased in a heavy

gauge galvanized steel shell and all exterior

shell sides are insulated with 1/4" neoprene

insulation.

6.4.3. The openings of the core shall be treated

with a gasket to ensure tight seal with the air

stream channels in the cabinet.

6. 5 Blower and Motor

6.5.1. The ERV fresh air and exhaust air blowers

shall be statically and dynamically balanced.

6.5.2. The complete blower section including

motor shall be easily accessible and removable

for service.

6.5.3. The blower motors shall be direct drive

EC motor, single phase with integral thermal

overload protection.

6.5.4. The blower wheels shall be a forward

curbed, SWSI centrifugal blower.

6.5.5. The fresh air and exhaust air fans speeds

are controlled by a single fan speed controller

that is adjustable in the field.

6.6 Filter

6.6.1. Both the exhaust and supply air stream

entering the ERV core is filtered.

6.6.2. The filters shall be a cleanable wire frame

type and easily accessible. They are shipped

with the ERV fan box.

6.7 System

6.7 System

6.7.1. The ERV unit shall be controlled by the

Vertical Stack unit chassis. The Vertical Stack

main supply fan must be operating in order for

the ERV apparatus to operate. Other sequence

of operations are available as options.

6.7.2. ERV fans will be enabled to operate:

On a call for heating from the thermostat

On a call for cooling from the thermostat When thermostat fan selector switch is placed in the "ON" mode When a field mounted remote control switch, by others is closed (wired by

others, for 120 volt by others).

6.7.3. The ERV fan box is powered by line

voltage supplied from the Vertical Stack unit

chassis.

6.7.4. The defrost sensor will detect a frost

build up on the heat exchanger based on

temperature and will terminate the operation

of the fresh air fan until the temperature

restores to normal limits (above 45⁰F).


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BULLDOG Product Guide

Our factory located in Fergus, Ontario, Canada

CGC Group of Companies, Inc.

150 Britannia Road E, Unit 1

Mississauga, Ontario, Canada L4Z 2A4

1-888-220-5551 | 1-905-568-1661

www.bulldogheatpump.com

Documents

Design Manual - Bulldog Heat Pump