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VITODENS 100-WNatural gas-fired wall-mounted condensing boiler
29 to 100 MBH/8.5 to 29.3 kW
Vitodens 100-W
WB1A Series
Natural Gas-Fired Wall-Mounted Condensing Boilerwith modulating stainless steel natural gas cylinderburner and stainless steel Inox-Radial heat exchangerfor room air independent operation(using a direct vent system)and roomair dependent operation
¨ For Natural Gas only!
Technical Data ManualModel Nos. and pricing: see Price List
Vitodens 100-W, WB1A(with preinstalled vent pipe adaptor)
5347 963 v1.0 04/2007
Product Information
2
VITODENS 100-W
The Vitodens 100-W wall-mountedcondensing boiler is the perfest combinationof value, quality and Viessmann technology.In terms of energy usage, for example, theVitodens 100-W is uncompromising: Thanksto the condensing technology of the boilerwith modulating natural gas cylinder burnerand the stainless steel Inox-Radial heatexchanger surface, the Vitodens 100 reachesan A.F.U.E. of 95.1%.
The benefits at a glance:
HOutstanding efficiency of up to 98% withfull modulation and 95.1% A.F.U.E. on allmodels.
HLasting performancewith Viessmann-made SA240 316Tistainless steel Inox-Radial heat exchangerconstructed to ASME Section IV and CSAB51.
HLow-emission combustionwith fully-modulating natural gas stainlesssteel cylinder burner. Factory calibrationeliminates adjustments in the field.
HControl varietyIntegrated boiler control interfaces withany level of third party control - fromroom thermostat to outdoor reset andmore.
HCompact, lightweight designand zero clearance to combustibles makeit a great choice for limited-spaceinstallations.
HExtremely quiet operation;quieter than most refrigerators.
HEasy installation, service and maintenancewith all pipe connections located at thebottom and serviceable components easilyaccessible from the front.
HMultiple venting options- Horizontal or vertical sealed combustioncoaxial vent system (factory supplied).
- Horizontal, vertical or hybrid sealedcombustion double-pipe vent system(field supplied).
- Horizontal or vertical single-wall ventsystem (field supplied).
HSuitable for altitude levelsof up to 5000 ft. / 1500 m withoutderation.
HBuilt-in automatic frost protectionallows boiler to be shut off for anextended period of time while protecting itagainst freeze-up.
HLimited lifetime warrantyin residential applications.
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Product InformationCross-Section
3
Product may not look exactly as illustrated.
Legend
Stainless stell cylinder burnerInox-Radial stainless steel heatexchangerBurner blowerNatural gas and hydronic connectionsBoiler control
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Vitodens 100-W
4
Technical DataStandard heating boiler
Boiler Model Model No. WB1A 8-24 WB1A 8-30
Natural gasCSA input
CSA output/DOE*1
heating capacity
MBHkWMBHkW
29-808.5-23.4
26-727.6-21
29-1008.5-29.3
26-907.6-26.4
Net I=B=R rating*2 MBH 63 78
Heat exchanger surface area ft.2
m29.260.86
9.260.86
Min. gas supply pressureNatural gas “w.c. 4 4
Max. gas supply pressure*3
Natural gas “w.c. 14 14
A.F.U.E. % 95.1 95.1
Weight lbskg
9543
9543
Boiler water content USGltr
0.823.1
0.823.1
Boiler max. flow rate*4 GPMltr/h
6.21400
6.21400
Max. operating pressureat 210 ºF/99 ºC
psigbar
453
453
Boiler water temperature– Adjustable high limit (AHL)range
space heating(steady state)DHW production (set
point)
– Fixed high limit (FHL)
ºF/ºCºF/ºC
ºF/ºC
68 to 176/20 to 80172/78
210/99
Boiler connectionsBoiler heating supply and return NPTM (male) “Pressure relief valve NPTF (female) “Drain valve (male thread)
¾¾¾
¾¾¾
*1 Output based on 140ºF / 60ºC, 120 ºF / 49ºC system supply/return temperature.*2 Net I=B=R rating based on piping and pick-up allowance of 1.15.*3 If the gas supply pressure exceeds the maximum gas supply pressure value, a separate gas pressure regulator must be installed upstream of theheating system.
*4See “Typical System Flow Rates” on page 10 in this manual.
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Vitodens 100-W
5
Standard heating boiler
Boiler Model Model No. WB1A 8-24 WB1A 8-30
DimensionsOverall depth
Overall width
Overall height
inchesmminchesmminchesmm
13.434015.740027.6700
13.434015.740027.6700
Gas supply connection NPTF “ ¾ ¾
Flue gas*5
Temperature (at boiler returntemperature of 86 ºF/30 ºC)– at rated full load– at rated partial load
Temperature (at boiler returntemperature of 140 ºF/60 ºC)
ºF/ºCºF/ºC
ºF/ºC
127/5390/32
167/75
131/5590/32
172/78
Flue gas valueMass flow rate (of flue gas)
– at rated full load
– at rated partial load
Available draught
lbs/hkg/hlbs/hkg/h
Pambar
79.236.033.015.0
1001.0
100.145.533.015.0
1001.0
Average condensateflow rate*6
with natural gas– TS/TR =122/86ºF/50/30 ºC USG/day
ltr/day1.8-2.1
7-82.1-2.4
8-9
Condensate connection*7 hosenozzle∅ in 1 1
Boiler flue gas connection*8 ∅in/mm 23/8/60 23/8/60
Combustion air supplyconnection*8
outer∅ in/mm 4/100 4/100
*5 Measured flue gas temperature with a combustion air temperature of 68 °F/20 °C.*6 Based on typical boiler cycles, including partial load conditions.*7 Requires 1”/25 mm tubing. See Vitodens 100-W Installation Instructions for details.*8 For an overview of venting options refer to the appendix starting on page 20 For detailed information refer to the Vitodens Venting
System Installation Instructions (PN 5285 268)."For information regarding other Viessmann System Technology componentry, please reference documentation of respective product.
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Vitodens 100-W
6
Vitodens 100-W, WB1A 24/30without piping connections
Connections Vitodens 100-W,WB1A 8-24, 8-30
LegendBoiler water supply, NPT ¾”Condensate drain, plastic hoseØ 0.87” / 22mmGas connection, NPT ¾”Boiler water return, NPT ¾”
a 7” / 180 mmb 15¾” / 400 mmc 2¼” / 58 mmd 27½” / 700 mme 47/8” / 123 mmf 7¼” / 183 mmg 133/8” / 340 mmh 5” / 125 mm
Vitodens 100-W, WB1Aside view
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d
c
he
g
a f
b
e
Vitodens 100-W
7
Vitodens 100-W, WB1A 24/30with piping connections
Piping connections for Vitodens100-W, WB1A 8-24 and 8-30 (factorysupplied)
Legend
BWR Boiler water return, ¾”BWS Boiler water supply, ¾”BD Boiler drainBF Boiler fillGC Gas connection, ¾” NPTMPRV Pressure relif valveNPT National Pipe ThreadPG Pressure gage
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14” /355mm
15¾” /400mm
27/8” / 73mm
53/ 8”/137mm
27½
”/700mm
33”/838mm
12”/300mm
2¼” /58mm
6” /152mm 47/8” /
123mm
47/8” /123mm
PRV
BD
GC
NPT
PG
BF
BWSBWR
Vitodens 100-W
8
Vitodens 100-W, WB1A 24/30with piping connections
Alternative piping connections forVitodens 100-W, WB1A 8-24 and 8-30(factory supplied)
Legend
BWR Boiler water return, ¾”BWS Boiler water supply, ¾”BD Boiler drainBF Boiler fillGC Gas connection, ¾” NPTMPRV Pressure relif valveNPT National Pipe ThreadPG Pressure gage
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6” /152mm
27½
”/700mm
15¾” /400mm
33”/838mm
12”/300mm
47/8” /123mm
47/8” /123mm
3” / 76mm
5½
”/140mm
PRV
BF
BD
GC
NPT
PG
BWR
BWS
Vitodens 100-W/Technical Data
9
Recommended Minimum Service Clearances Minimum Clearances to Combustibles
Top Front Rear Left Right Vent pipe*1
0 0 AL, CL 0 0 0 0AL = AlcoveCL = Closet*1Refer to the Installation Instructions of the VitodensVenting System for details.
Note:The Vitodens 100-W boiler has passed thezero inches vent clearance to combustiblestesting requirements dictated by the boilerHarmonized Standard ANSI Z21.13. CSA4.9.2005 and therefore is listed for zeroclearance to combustibles when ventedwith a single wall special venting system(AL-29-4C material) or UL/ULC-listed CPVCgas vent material. The zero inches ventclearance to combustibles for the Vitodens100-W boiler supercedes the clearance tocombustibles listing that appears on thespecial venting system label.
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Front
12”/305 mm
Top12”/305 mm
0”/mm
28”/700 mm
Side
0”/mm
Back
Side
12”/300 mm*
4”/100mm 28”/
700 mm
¼”/5 mm ¼”/5 mm¼”/5 mm
Technical Data/Heating Circuit Pumps
Pressure drop for model WB1A 8-24, 8-30
0
1
2
3
4
5
6
7
8
0
3.3
6.6
9.8
13.1
16.4
19.7
23
26
Sup
plyhe
adpres
sure
ft.
m
0 2.2 4.4 6.6 8.8 11 13.2
Flow rate
15.41.10 500 1000 1500 2000 2500 3000 3500250 ltr/h
GPM
10
Waterside Flow (primary circuit)
The Vitodens 100-W is designed only for closed loop, forcedcirculation hot water heating systems.
Pressure drop (primary circuit) of Vitodens 100-W
Typical System Flow Rates
Model WB1A 8-24 8-30
∆ t for NG
Output (NG) Btu/h 72 000 90 00020 ºF rise (GPM) 7.2 9.025 ºF rise (GPM) 5.8 7.230 ºF rise (GPM) 4.8 6.035 ºF rise (GPM) 4.1 5.140 ºF rise (GPM) 3.6 4.5
Use standard friction loss method for pipe sizing.Observe boiler maximum and minimum flow rate limitations. If system flow rate exceedsboiler maximum flow rate (as stated on page 14) or if system flow rate is unknown, Viessmann stronglyrecommends the installation of a low-loss header. See page 14 for low-loss header information.
Heating Circuit Pumps
Recommended heating pumps with Vitodens 100-W, WB1A 824, 8-30:
HGrundfos UP 26-64FHGrundfos 15-58 (3-speed)H Taco 0010HWilo Star 21or equivalent
Refer to the graph above for the properwaterside boiler friction loss calculations.
Pump selection must be based on accuratesystem flow and pressure drop calculations(incl. DHW sizing).
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A low-loss header must be used when the system flowrate exceeds the maximum (or minimum) flow rate of theVitodens 100-W boiler. An alternative method may beused, such as primary secondary piping using closelyspaced tees.A low-loss header offers additional benefits not providedby a pair of closely spaced tees. Viessmann stronglyrecommends and prefers the use of a low-loss headerover closely spaced tees.
Please see page 14 for details.
IMPORTANT
DHW Production/Wall Mounting
11
Domestic Hot Water Production via DHW Storage Tank
Vitodens 100-W boilers can be used inconjunction with the stand-alone DHWstorage tanks offered by Viessmann (aseparate DHW controller should be fieldsupplied).All Viessmann DHW storage tanks sold inNorth America are available in “Vitosilver”finish only.
Size and select the DHW storage tank basedon the forecasted DHW consumption of thebuilding in question.
For further technical information on DHWstorage tanks, see the Vitocell-V TechnicalData Manuals.
Wall Mounting Information
The Vitodens 100-W (model WB1A 8-24 and8-30) comes with a template, which allowsyou to easily mark the location of the screwsfor the mounting bracket and the location ofthe flue gas pipe on the wall.
The connection to the heating circuits(installation fittings are supplied in theInstallation Fittings package supplied withthe boiler) must be made on site.
LegendMounting template
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Condensate Connection/Neutralization Unit
12
Condensate Connection
Install the condensate drain pipe (Ø 7/8” /22mm) with a suitable gradient (min. 2.5%).Discharge condensate from the boiler intothe drainage system, either directly or (ifrequired) via a neutralization unit(accessory).
Condensate Connection for Vitodens 100-WHmodel WB1A 8-24, 8-30
The condensate drain of the Vitodes 100-Wboiler is equipped with a built-in siphon trapin order to keep flue gases from beingdischarged via the condensate drain.
Discharge tubing
Pipe ventilation must take place betweenthe siphon trap and the neutralization unit (ifapplicable).
Condensate Drainage and Condensate Neutralization
The condensate formed both in thecondensing boiler and in the flue gas pipemust be discharged into the public sewagesystem in accordance with all applicablelocal regulations.The condensate produced by a gas-firedheating system has a pH value between 3and 4.
Some local codes may require the use of aseparate neutralization unit to treat theaggressive and corrosive nature of thecondensate.With a neutralization unit installed, allcondensate from the boiler and the flue gaspipe enters into the neutralization unitwhere it is treated and released into thepublic sewage system with a safe pH valueof above 6.5.
The use of neutralization granulate(performing the neutralizing process) isdependent on the operation of the heatingsystem. To determine the required refillamount, check granulate level several timesduring the first year of operation. In somecases one granulate fill may last an entireyear.
Contact Viessmann to order a neutralizationunit for the Vitodens 100-W boiler.See Viessmann Price List for orderinformation.
The condensate discharge outlet to thedrainage system connection must be clearlyvisible. It must be installed with a suitablegradient and provided with a stench trap.
If the condensate outlet of theVitodens 100-W boiler is lower than thedrain, a condensate pump must be used.
Only corrosion-resistant materials must beused for condensate drainage purposes (e.g.braided hose). Do not use galvanizedmaterials or materials containing copper forpiping, couplings etc.The condensate drain must have a trap toprevent flue gas leakage.
Please note that other requirements mightapply depending on local regulations and/orproject-specific details.
It is advisable to contact your localwaterworks office (authority responsible forwaste water regulations) well beforecommencing with the installation of theneutralization unit in order to establishdetails of local regulations that apply.
The following table shows the concentrationof (effluent) substances (e.g. heavy metals)contained in the waste water from theVitodens 100-W condensing boiler.
Condensate(effluent)
Values measuredin mg/ltr
substances Vitodens 100
LeadCadmiumChromiumCopperNickelZincTin
< 0.01< 0.005< 0.01< 0.01< 0.01< 0.05< 0.05
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IMPORTANT
Venting Options / Electrical Connection
13
Vitodens 100-W Venting Options
For an overview of venting options refer to the appendix starting on page 20 For detailedinformation refer to the Vitodens Venting System Installation Instructions (PN 5285 268).
Electrical Connection
All electrical connections are made to theboiler’s integrated power pump module (120VAC/60 Hz). Use disconnect means andpower service switch as per local coderequirements.
Control Unit
Function and constructionThe control is integrated into the Vitodens100-W boiler.H Integrated diagnostic systemH For room temperature-dependentoperation, an external control or a roomtemperature thermostat can be connected
H To control DHW temperature, a separateDHW controller can be connected
H External heat demand
The control unit consists of:H LCD DisplayH Selector dial for boiler water temperatureadjustment
H Temperature adjustable high limitH Boiler temperature sensorH Burner fault displayH Burner fault resetH Pressure gageH Fuse
Boiler temperature sensorThe boiler temperature sensor is connectedto the control unit and built into the boiler.
Frost protectionFrost protection is continuously active. Theburner is switched ON when the boilerwater temperature reaches 41°F / 5°C andis switched OFF again when the boiler watertemperature reaches at least 59 °F / 15°C(but not more than 68°F / 20°C).
For details on the control, pleaserefer to the Vitodens 100-WOperating Instructions.
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Vitodens 100-W Accessories
14
Accessories for Vitodens 100-W
Neutralization Unit for Single-BoilerApplicationswith neutralizing granulate
for Vitodens 100-W, WB1A 8-24, 8-30Part No. 7134 231
Low-Loss Header
–Type 80/50Part No. 7134 230(max. flow rate 17.6 GPM / 4 m3/h)–Type 120/80Part No. 7134 244(max. flow rate 35.2 GPM / 8 m3/h)
A low-loss header offers additional benefitsnot provided by a pair of closely spacedtees. Viessmann strongly recommends andprefers the use of a low-loss header overclosely spaced tees.When used in conjunction with the Vitodens100-W boiler, the low-loss header acts ashydraulic break, decoupling boiler andsystem circuits from each other (no sensorrequired).It is recommended to use the low-lossheader in applications in which the totalsystem flow rate exceeds the maximum (orminimum) boiler flow rate.For maximum boiler flow rates, see table onpage 10 in this manual.Viessmann strongly recommends the use ofa low-loss header in cases where thesystem head and flow rates are unknown.In addition, the low-loss header helpseliminate air and debris [D] from the heatingsystem.See figures on the right for an illustration ofthe principle of operation.
The low-loss header is available in thefollowing sizes. Select the size based on themaximum system flow rate of yourapplication.
Model No. Max. system flow rate
Type 80/50 17.6 GPM / 4 m3/h
Type 120/80 35.2 GPM / 8 m3/h
*1Product does not look exactly asillustrated.
LegendAB Air BleedBR Boiler ReturnBS Boiler SupplyBY Bypass (with laminar flow)D Debris and/or airDV Drain ValveSR System ReturnSS System SupplyTS Viessmann Temperature Sensor (not
used)SW Sensor Well
T1 Boiler supply temperatureT2 Boiler return temperatureT3 System supply temperatureT4 System return temperatureVprimary Boiler circuit flow rateVsecondary Heating circuit flow rateVbypass Bypass flow rateQprimary Heat supplied by boilerQsecondary Heat consumed by system
Vprimary < VsecondaryT1 > T3T2 = T4Qprimary = Qsecondary
T1 ± 176°F / 80°CVsecondary=Vprimary+Vbypass
When installing a low-loss header, systemmixed supply temperature (T3) must becalculated as follows:
T3=T1× Vprimary+T4 Vbypass
Vsecondary
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310 DN 40
145
DV
BS
SS
SR
BR
TS
BY
AB
D
Low-loss header design(Type 80/50 or 120/80)
SW
T1
T2
Vprimary Vsecondary
T3
T4
Principle of Operation
T4Vbypass
IMPORTANT
Standard Equipment/How the Vitodens 100-W Operates.../Installation Examples
15
Standard Equipment
The Vitodens 100-W natural gas-firedcondensing boiler with Inox-Radial heatexchanger surfaces, modulating stainlesssteel cylinder gas burner for natural gasc/wH pressure gageH installation fittings with 30 psig pressurerelief valve and air vent
H two fill/drain valvesH all mounting hardware
– The boiler comes fully piped and prewired.– Venting material (coaxial) is to be suppliedby Viessmann only. Side wall ventinstallations must include Viessmannprotective screen!
Wall mounting componentryThe following wall mounting componentsare supplied with the Vitodens 100-Wboiler:H Mounting bracketH Mounting boltsH Installation fittingsH Screws for mounting bracket on– wood studs (2” x 4”)– metal studs– brick/concrete wall
How the Vitodens 100-W boileroperates...
The Vitodens 100-W boiler uses a premixcombustion system, which is designed todeliver a measured air-gas mixture to theburner for complete combustion. The gas isinjected upstream of the blower. The burnerand heat exchanger are part of aforced-draft design.The benefits offorced-draft systms are lower componenttemperatures, direct air-fuel connection(premix) for improved mixing, and longerservice life of the boiler due to mild tomoderate ambient conditions.The cylinder burner blower and thecombination gas valve are factory calibratedand pre-adjusted for optimum boilerperformance at all firing rates through apneumatic link between combustion air andgas flows. Blower speed is automaticallyincreased or decreased based on heatdemand, thereby regulating the amount ofcombustion air drawn. The pneumatic linkbetween air and gas introduces the requiredamount of gas for correct combustion tomeet the current heat demand, based on alinear relationship between ∆ P air and ∆ Pgas.
Installation Examples
The examples on the following pages depictpossible piping layouts of theVitodens 100-W boiler.
Please note that the following examples aresimplified conceptual drawings only!Piping and necessary componentry must befield verified.A low water cut-off (LWCO) must beinstalled where required by local codes.Proper installation and functionality in thefield is the responsibility of the heatingcontractor.
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IMPORTANT
Installation Examples
16
System Layout 1Vitodens 100-W, WB1A 8-24, 8-30 with...
– one heating circuit
System Layout 1 - Alternate Option
Legend
AV Air ventPRV Pressure relief valve
Vitodens 100-WRoom thermostatHeating circuitHeating circuit pump (fieldsupplied)Expansion tank
Please note!The use of a low-loss header isrecommended if the water flow rate is lessthan 1.7 GPM / 400 ltr/h or more than 6.2GPM / 1400 ltr/h.The low-loss header is available asaccessory part.
Model No.
Vitodens 100,
Max. flow rate(GPM/ltr/h)
WB1A 8-24 6.2/1400
WB1A 8-30 6.2/1400
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T--T
PRV
AV
T--T
PRV
AV
Installation Examples
17
System Layout 2Vitodens 100-W, WB1A 8-24, 8-30 with...
– DHW storage tank– low-loss header– one heating circuit
Primary pump must pump intothe boiler (as illustrated).
AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief valve
Vitodens 100-W gas-fired condensingboilerExternal third party boiler/DHWcontroller (field supplied)Heating circuitHeating circuit pump (field supplied)DHW storage tankDHW tank temperature aquastat orsensorDHW circulating pump (field supplied)Low-loss headerExpansion tankPrimary pump (boiler circuit, fieldsupplied) with low-loss header only
Please note!The use of a low-loss header isrecommended if the water flow rate is lessthan 1.7 GPM / 400 ltr/h or more than6.2 GPM / 1400 ltr/h.The low-loss header is available asaccessory part.See page 14 in this manual for details onthe low-loss header.
Model No.
Vitodens 100-W,
Max. flow rate(GPM/ltr/h)
WB1A 8-24 6.2/1400
WB1A 8-30 6.2/1400
DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, shall be a minimum of 1”nominal pipe diameter (irrespective of the ¾” DHW connection outlet sizes provided on the boiler and the DHW tank). This will ensure theresidual head of the built-in pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications, perform, in addition to the above, accurate calculations for DHW tank coil pressure drop versusboiler pump residual head to ensure sufficient water flow to the boiler heat exchanger. Failure to heed the above instructions may causeboiler short-cycling and inadequate DHW supply.
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AV
PRV
TPV
Y
Y
IMPORTANT
IMPORTANT
Installation Examples
18
System Layout 3Vitodens 100-W, WB1A 8-24, 8-30 with...
– DHW storage tank– one heating circuit
Primary pump must pump intothe boiler (as illustrated).
AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief valve
Vitodens 100-W gas-fired condensingboilerExternal third party boiler/DHWcontroller (field supplied)Heating circuitHeating circuit pump (field supplied)DHW storage tankDHW tank temperature aquastat orsensorDHW circulating pump (field supplied)Closely spaced tees, 4xpipe Øor 12” /305mm*
Expansion tankPrimary pump (boiler circuit, fieldsupplied) with low-loss header only
*A low-loss header offers additional benefitsnot provided by a pair of closely spacedtees. Viessmann strongly recommends andprefers the use of a low-loss header overclosely spaced tees.
Please see page 14 for details.
Please note!The use of a low-loss header isrecommended if the water flow rate is lessthan 1.7 GPM / 400 ltr/h or more than6.2 GPM / 1400 ltr/h.The low-loss header is available asaccessory part.See page 14 in this manual for details onthe low-loss header.
Model No.
Vitodens 100-W,
Max. flow rate(GPM/ltr/h)
WB1A 8-24 6.2/1400
WB1A 8-30 6.2/1400
DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, shall be a minimum of 1”nominal pipe diameter (irrespective of the ¾” DHW connection outlet sizes provided on the boiler and the DHW tank). This will ensure theresidual head of the built-in pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications, perform, in addition to the above, accurate calculations for DHW tank coil pressure drop versusboiler pump residual head to ensure sufficient water flow to the boiler heat exchanger. Failure to heed the above instructions may causeboiler short-cycling and inadequate DHW supply.
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AV
PRV
TPV
Y
Y
4xpipe Øor 12” /305mm
IMPORTANT
IMPORTANT
Installation Examples
19
System Design Considerations
IN THE COMMONWEALTH OF MASSACHUSETTS...-this product shall be installed by a licensed plumber or gas fitter.-the flexible connector (if used) cannot exceed 36”.-any level type shutoff used must be of tee handle type.
Boiler location
As a direct vent appliance, theVitodens 100-W can be installed for room airindependent operation (sealed combustion)regardless of size and ventilation method ofthe room in which it is located.The Vitodens 100-W can be installed, forexample, in the main living area of a house,in non-ventilated utility rooms, cupboards,closets and alcoves with no clearancerequired from combustible materials, as wellas in attics with a direct outlet for the fluegas/fresh air system. Follow all local andnational codes.
Flue gas system
Viessmann PPS (Polypropylene) concentricflue gas/fresh air systems and two-pipestainless steel/CPVC systems for room airindependent operation (sealed combustion)and side wall venting are tested to ANSIZ21.13 - CSA 4.9 - 2005 standards and arecertified together with the Vitodens 100-Wboiler as a constructional unit.The Vitodens 100-W boiler may also bevented vertically or horizontally, using ametallic AL29-4C® special stainless steel, ornon-metallic CPVC single-wall, room airdependent venting system (UL/ULC listedfor category IV).For a more detailed description of the directvent and single-wall vent system, pleaserefer to the Vitodens Venting SystemInstallation Instructions.
Flue gas temperature protection
Viessmann PPS (Polypropylene) flue pipesused for the Vitodens 100-W are rated formax. flue gas temperatures of up to248 °F/120 °C.No flue gas temperature protection isrequired as the maximum permissible fluegas temperature is not exceeded in anyoperating condition or in the event ofmalfunctioning.
Low water cut-offA low water cut-off may be required bylocal codes. If the boiler is installed abovethe radiation level, a low water cut-offdevice of approved type must be installed inall instances. An approved type low watercut-off device must be provided by theheating contractor. Do not install anisolation valve between the boiler and thelow water cut-off.The Vitodens 100-W boiler has a built-inflow switch, which may be accepted bylocal codes in lieu of a low water cutoff.
System layout
H The max. boiler water temperature for ...–space heating is 176 °F/80 °C.–DHW production is 172 °F/78 °C.
To minimize distribution losses,Viessmann recommends that the heatingand domestic hot water systems be basedon a maximum boiler supply temperatureof 158 °F/70 °C.
H Due to the low return temperaturesrequired for gas condensing, no mixingvalves should be used in the heatingcircuit whenever possible. If mixing valvesare required, e.g. for multi-circuit systemsor underfloor heating systems, only 3-waymixing valves must be used.Do not use 4-way mixing valves withcondensing boilers.
Water connections
Vitodens 100-W boilers can be used in anyfully pumped hot water heating system.Minimum system pressure is 0.8 bar/12 psig.
Chemical corrosion protection productsCorrosion does not typically occur in sealedheating systems which have been correctlyinstalled and are correctly operated.Many manufacturers of plastic pipesrecommend the use of chemical additives.In this case, only those commerciallyavailable corrosion protection productsapproved for boilers with domestic hotwater heating via single-wall heatexchangers (instantaneous plate heatexchangers or DHW tanks) must be used.
Underfloor heating systems
For underfloor heating systems Viessmannrecommends the use of plastic tubing withan oxygen diffusion barrier in order toprevent the diffusion of oxygen throughtubing. If plastic tubing without an oxygendiffusion barrier is used in underfloorheating systems, Viessmann recommendsthat such systems be separated from theboiler with a heat exchanger.
Oxygen diffusion barrierunderfloor tubingThe boiler warranty does not cover leaksresulting from corrosion caused by the useof underfloor plastic tubing without anoxygen diffusion barrier. Such systems musthave the non-oxygen diffusion barrier tubingseparated from the boiler with a heatexchanger. Viessmann recommends the useof underfloor plastic tubing with an oxygendiffusion barrier.
Water quality
Treatment for boiler feed water should beconsidered in areas of known problems,such as where a high mineral content andhardness exist. In areas where freezingmight occur, an antifreeze may be added tothe system water to protect the system.Please adhere to the specifications given bythe antifreeze manufacturer. Do not useautomotive silicate based antifreeze. Pleaseobserve that an antifreeze/water mixturemay require a backflow preventer within theautomatic water feed and influencecomponents such as diaphragm expansiontanks, radiation, etc. Maximum antifreezecontent is 50% for the Vitodens 100-Wboiler. Do not use antifreeze other thanspecifically made for hot water heatingsystems. System also may containcomponents which might be negativelyaffected by antifreeze. Check total systemfrequently when filled with antifreeze.Advise system operator/ultimate owner thatsystem is filled with a glycol mix.The heating contractor must provide aMSDS (Material Safety Data Sheet) for theantifreeze used to the systemoperator/ultimate owner.
Warranty
Our warranty does not cover damagesresulting from the following:– installation or service by unqualified andunlicensed personnel.
– attempting to perform any repair work onthe boiler other than that mentioned in theboiler literature.
– tampering with or attempting to readjustthe factory settings of the
–combination gas valve– leaks resulting from corrosion caused bythe use of underfloor plastic tubingwithout an oxygen diffusion barrier.
For detailed warranty information, pleaseread warranty sheet supplied with product.
5347963v1
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Appendix
20
Vitodens 100-W Venting Alternatives
Venting Alternatives
Viessmann Coaxial PPs Vent Stainless Steel Vent CPVC Vent Type
60/100 80/125 100/150 3” 4” 2” 3” 4” Diameter
Max. Equivalent Lengthhorizontally vented 20
6268
3310
5216
6620
3310
5216
6620
ftm
vertically vented 3310
3912
4614
6620
7924
4012
6620
7924
ftm
Layouts on the following pages are for illustrative purposes only.Do not use this manual for installation purposes. This is not a design tool.Always follow Viessmann Vitodens Venting System Installation Instructions(PN 5285 268).Select vent material based on vent configuration, preferred material, and necessarymaximum equivalent length.
5347963v1
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Appendix (continued)
21
Coaxial PPs Vent System
Vent System 1 Vent System Diametery
60/100 80/125 100/150
Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length
206
268
3310
ftm
Basic Horizontal Vent KitVenting pieces can be orderedindividually, or as a convenientkit using the Order No. to theright; Basic Vent Kit includesone of each of the items num-bered 2 to 5 , including twoMounting Clips 6 .
7134 768 — — Order No.
A� Boiler Vent Pipe Adaptor
(included with boiler)— — — Order No.
B Adaptor, coaxial60/100 > 80/125(not shown)
Adaptor, coaxial60/100 > 100/150(not shown)
—
—
7176 765
—
—
7142 681
Order No.
Order No.
Combustion Air Intake
BA
� 87° ElbowEqL=1.6ft / 0.5m
7176 735 7176 639 7176 674 Order No.
Flue Gas OutletB � Straight Pipe 2
3.3ft / 1m7176 733 7176 637 7176 672 Order No.
� Vent Termination2.6ft / 0.8m
7246 524 7246 527 7245 526 Order No.
� Protective Screen 7134 790 7134 790 7134 790 Order No.
� Mounting Clip 2 (each) 7176 762 7176 664 7176 682 Order No.
Other Available Vent Piecesnot shown in illustration above
87° Inspection TeeEqL=1.6ft / 0.5m
7176 737 7176 642 7176 677 Order No.
87° Inspection ElbowEqL=1.6ft / 0.5m
7176 738 — — Order No.
Sliding Coupling0.8ft / 0.25m
7176 761 7176 663 7176 678 Order No.
Straight Pipe 2
1.6ft / 0.5m7176 732 7176 636 7176 671 Order No.
45° Elbow (Set of 2)EqL=1.0ft / 0.3m
7176 736 7176 640 7176 675 Order No.
1 Sealed combustion, coaxial vent material to be supplied by Viessmann only.Side wall venting installation must include Viessmann Protective Screen!
2 Order one Mounting Clip for each straight length of vent pipe installed." Do not include first 87° Elbow in equivalent vent length calculations." A maximum of 5 elbows may be installed in the vent system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).
5347963v1
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Appendix (continued)
22
Coaxial PPs Vent System (continued)
Vent System 1 Vent System Diametery
60/100 80/125 100/150
Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length
3310
3912
4614
ftm
B
A
� Boiler Vent Pipe Adaptor(included with boiler)
— — — Order No.
AAdaptor60/100 > 80/125(not shown)
Adaptor60/100 > 100/150(not shown)
—
—
7176 765
—
—
7142 681
Order No.
Order No.
� 87° ElbowEqL=1.6ft / 0.5m
7176 735 7176 639 7176 674 Order No.
� Mounting Clip 2 (each) 7176 762 7176 664 7176 682 Order No.
� 87° Inspection TeeEqL=1.6ft / 0.5m
87° Inspection ElbowEqL=1.6ft / 0.5m
7176 737
or
7176 738
7176 642
—
7176 677
—
Order No.
Order No.
� Sliding Coupling0.8ft / 0.25m
7176 761 7176 663 7176 678 Order No.
� Straight Pipe 2
1.6ft / 0.5m
Straight Pipe 2
3.3ft / 1m
7176 732
or7176 733
7176 636
or7176 637
7176 671
or7176 672
Order No.
Order No.
45° Elbow (Set of 2)EqL=1ft / 0.3m
7176 736 7176 640 7176 675 Order No.
Combustion Air Intake
Flue Gas OutletBA Vent Termination
3.9ft / 1.2m7176 739 7148 007 7339 762 Order No.
Roof Flashingand Storm Collar(B-Vent material or better)
fieldsupplied
Order No.
1 Sealed combustion, coaxial vent material to be supplied by Viessmann only.Side wall venting installation must include Viessmann Protective Screen!
2 Order one Mounting Clip for each straight length of vent pipe installed." Do not include first 87° Elbow in equivalent vent length calculations." A maximum of 5 elbows may be installed in the vent system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).
5347963v1
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Appendix (continued)
23
Stainless Steel Vent System
Vent System 3 Vent System Diametery
3” 4”
Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length
a + b ≦ 5216
6620
ftm
b� Boiler Vent Adaptor
(included with boiler)— — Order No.
B
� Double-Pipe Adaptor60/100 > 80/80
7186 032 7186 032 Order No.
a
B
A
� Adaptor(s), stainless steel80mm > 3” (order 2 pcs)
3” > 4” (order 2 pcs)(not shown)
fieldsupplied
—
fieldsupplied
andfield
supplied
Order No.
Order No.
� Venting Support 4 fieldsupplied
fieldsupplied
Order No.
� Combustion Air Intake Vent MaterialAllowable materials: see note below 5
fieldsupplied
fieldsupplied
Order No.
Combustion Air Intake
Flue Gas OutletBA
� ULC/UL listedStainless Steel Vent Material 3
45° Elbow EqL=2ft / 0.6m90° Elbow EqL=3ft / 0.9m
fieldsupplied
fieldsupplied
Order No.
� Bird Screen c/wTermination
fieldsupplied
fieldsupplied
Order No.
Room Air Dependent Operation MaximumEquivalent Length
a + b ≦ 5216
6620
ftm
� Boiler Vent Adaptor(included with boiler)
— — Order No.
b
BA
� Adaptor, coaxial60/100 > 80/125
60/100 > 100/150
7176 765
—
—
7142 681
Order No.
Order No.
B � Adaptor, stainless steel80mm > 3”
100mm > 4”
fieldsupplied
—
—
fieldsupplied
Order No.
Order No.
CCombustion Air IntakeA
� Venting Support 4 fieldsupplied
fieldsupplied
Order No.
a = zero
Combustion Air Intake
Flue Gas Outlet
Air Opening
BA
C� ULC/UL listed
Stainless Steel Vent Material 3
45° Elbow EqL=2ft / 0.6m90° Elbow EqL=3ft / 0.9m
fieldsupplied
fieldsupplied
Order No.
� Bird Screen c/wTermination
fieldsupplied
fieldsupplied
Order No.
3 Stainless steel vent material must be ULC/UL listed, stainless steel AL29-4C® for Category IV boilers.Suggested sources: Flex-L International Inc., Flexmaster Canada Ltd. / Z-Flex (US) Inc., Heat-fab Division Selkirk Corp., or ProTech Systems Inc.
4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).
5347963v1
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Appendix (continued)
24
Stainless Steel Vent System (continued)
Vent System 3 Vent System Diametery
3” 4”
Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length
a + b ≦ 6620
7924
ftm
B A � Boiler Vent Adaptor(included with boiler)
— — Order No.
� Double-Pipe Adaptor60/100 > 80/80
7186 032 7186 032 Order No.
b
� Adaptor(s), stainless steel80mm > 3” (order 2 pcs)
3” > 4” (order 2 pcs)(not shown)
fieldsupplied
—
fieldsupplied
andfield
supplied
Order No.
Order No.
a� Venting Support 4 field
suppliedfield
suppliedOrder No.
� Combustion Air Intake Vent MaterialAllowable materials: see note below 5
fieldsupplied
fieldsupplied
Order No.
A
� ULC/UL listedStainless Steel Vent Material 3
45° Elbow EqL=2ft / 0.6m90° Elbow EqL=3ft / 0.9m
fieldsupplied
fieldsupplied
Order No.
Combustion Air Intake
Flue Gas OutletBA � Bird Screen c/w
Terminationfield
suppliedfield
suppliedOrder No.
Room Air Dependent Operation MaximumEquivalent Length
a + b ≦ 6620
7924
ftm
B � Boiler Vent Adaptor(included with boiler)
— — Order No.
b
� Adaptor, coaxial60/100 > 80/125
60/100 > 100/150
7176 765
—
—
7142 681
Order No.
Order No.
b
A
� Adaptor, stainless steel80mm > 3”
100mm > 4”
fieldsupplied
—
—
fieldsupplied
Order No.
Order No.
� Venting Support 4 fieldsupplied
fieldsupplied
Order No.
Combustion Air IntakeA
C� ULC/UL listed
Stainless Steel Vent Material 3
45° Elbow EqL=2ft / 0.6m90° Elbow EqL=3ft / 0.9m
fieldsupplied
fieldsupplied
Order No.
a = zero
Combustion Air Intake
Flue Gas Outlet
Air Opening
BA
C� Bird Screen c/wTermination
fieldsupplied
fieldsupplied
Order No.
3 Stainless steel vent material must be ULC/UL listed, stainless steel AL29-4C® for Category IV boilers.Suggested sources: Flex-L International Inc., Flexmaster Canada Ltd. / Z-Flex (US) Inc., Heat-fab Division Selkirk Corp., or ProTech Systems Inc.
4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268). 5347963v1
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I M P O R T A N T :Do not use any DWV plumbingpipes to vent this boiler.
Appendix (continued)
25
CPVC Vent System
Vent System 3 Vent System Diametery
2” 3” 4”
Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length
a + b ≦ n.a. 5216
6620
ftm
b� Boiler Vent Adaptor
(included with boiler)— — — Order No.
B
� Double-Pipe Adaptor — 7186 032 7186 032 Order No.
a
B
A
or
� Adaptor(s), CPVC80mm > 3” (order 2 pcs)
3” > 4” (order 2 pcs)(not shown)
— 7134 770
—
7134 770
andfield
supplied
Order No.
Order No.
or
B
� Venting Support 4 — fieldsupplied
fieldsupplied
Order No.
AB
� Combustion Air Intake Vent MaterialAllowable materials: see note below 5
fieldsupplied
fieldsupplied
Order No.
Combustion Air Intake
Flue Gas OutletBA
� ULC/UL listedCPVC Vent Material 7
45° Elbow EqL=3ft / 0.9m90° Elbow EqL=5ft / 1.5m
— fieldsupplied
fieldsupplied
Order No.
� Bird Screen(order 2 pcs)
orHorizontal Vent Termination
— 7134 781
7134 772
7134 782
7134 773
Order No.
Order No.
Room Air Dependent Operation MaximumEquivalent Length
a + b ≦ 3310
5216
6620
ftm
� Boiler Vent Adaptor(included with boiler)
— — — Order No.
b� Flue Adaptor, CPVC
60mm > 2”7134 769 7134 769 7134 769 Order No.
AB
� Adaptor(s), CPVC2” > 3”
3” > 4”(not shown)
—
—
fieldsupplied
—
fieldsupplied
andfield
supplied
Order No.
Order No.
� Venting Support 4 fieldsupplied
fieldsupplied
fieldsupplied
Order No.
CCombustion Air Intake
Flue Gas OutletBA
C
� ULC/UL listedCPVC Vent Material 7
45° Elbow EqL=3ft / 0.9m90° Elbow EqL=5ft / 1.5m
fieldsupplied
fieldsupplied
fieldsupplied
Order No.
a = zeroAir OpeningC � Bird Screen 7134 780 7134 781 7134 782 Order No.
3 CPVC vent material must be ULC/UL listed, for Category IV boilers. Suggested source: IPEX Inc.4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).
5347963v1
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I M P O R T A N T :Do not use any DWV plumbingpipes to vent this boiler.
Appendix (continued)
26
CPVC Vent System (continued)
Vent System 3 Vent System Diametery
2” 3” 4”
Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length
a + b ≦ n.a. 6620
7924
ftm
B A � Boiler Vent Adaptor(included with boiler)
— — — Order No.
� Double-Pipe Adaptor — 7186 032 7186 032 Order No.
b
� Adaptor(s), CPVC80mm > 3” (order 2 pcs)
3” > 4” (order 2 pcs)(not shown)
— 7134 770
—
7134 770
andfield
supplied
Order No.
Order No.
a� Venting Support 4 — field
suppliedfield
suppliedOrder No.
� Combustion Air Intake Vent MaterialAllowable materials: see note below 5
fieldsupplied
fieldsupplied
Order No.
A
� ULC/UL listedCPVC Vent Material 3
45° Elbow EqL=3ft / 0.9m90° Elbow EqL=5ft / 1.5m
— fieldsupplied
fieldsupplied
Order No.
Combustion Air Intake
Flue Gas OutletBA � Bird Screen
(order 2 pcs)— 7134 781 7134 782 Order No.
Room Air Dependent Operation MaximumEquivalent Length
a + b ≦ 4012
6620
7924
ftm
B � Boiler Vent Adaptor(included with boiler)
— — — Order No.
� Flue Adaptor, CPVC60mm > 2”
7134 769 7134 769 7134 769 Order No.
b
A
� Adaptor(s), CPVC2” > 3”
3” > 4”(not shown)
—
—
fieldsupplied
—
fieldsupplied
andfield
supplied
Order No.
Order No.
A� Venting Support 4 field
suppliedfield
suppliedfield
suppliedOrder No.
Combustion Air IntakeA
C
� ULC/UL listedCPVC Vent Material 3
45° Elbow EqL=3ft / 0.9m90° Elbow EqL=5ft / 1.5m
fieldsupplied
fieldsupplied
fieldsupplied
Order No.
a = zero
Combustion Air Intake
Flue Gas Outlet
Air Opening
BA
C
� Bird Screen 7134 780 7134 781 7134 782 Order No.
3 CPVC vent material must be ULC/UL listed, for Category IV boilers. Suggested source: IPEX Inc.4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).
5347963v1
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I M P O R T A N T :Do not use any DWV plumbingpipes to vent this boiler.
Appendix (continued)
27
CPVC or Stainless Steel Vent System
Vent System 3 Vent System Diametery
3” 4”
Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length
a + b ≦ 5918
7222
ftm
B� Boiler Vent Adaptor
(included with boiler)— — Order No.
� Double-Pipe Adaptor60/100 > 80/80
7186 032 7186 032 Order No.
� Adaptor(s), stainless steel80mm > 3” (order 2 pcs)
3” > 4” (order 2 pcs)(not shown)
or
fieldsupplied
—
fieldsupplied
andfield
supplied
Order No.
Order No.
b � Adaptor(s), CPVC80mm > 3” (order 2 pcs)
3” > 4” (order 2 pcs)(not shown)
7134 770
—
7134 770
andfield
supplied
Order No.
Order No.
a
A� Venting Support 4 field
suppliedfield
suppliedOrder No.
A
� Combustion Air Supply PipeAllowable materials: see note below 5
fieldsupplied
fieldsupplied
Order No.
� ULC/UL listedStainless Steel Vent Material 3a
45° Elbow EqL=2ft / 0.6m90° Elbow EqL=3ft / 0.9m
or
fieldsupplied
fieldsupplied
Order No.
Combustion Air Intake
Flue Gas OutletBA � ULC/UL listed
CPVC Vent Material 3b
45° Elbow EqL=3ft / 0.9m90° Elbow EqL=5ft / 1.5m
fieldsupplied
fieldsupplied
Order No.
� Bird Screen c/w Terminationfor stainless steel
or
fieldsupplied
fieldsupplied
Order No.
� Bird Screenfor CPVC (order 2 pcs)
7134 781 7134 782 Order No.
3aStainless steel vent material must be ULC/UL listed, stainless steel AL29-4C® for Category IV boilers.Suggested sources: Flex-L International Inc., Flexmaster Canada Ltd. / Z-Flex (US) Inc., Heat-fab Division Selkirk Corp., or ProTech Systems Inc.
3bCPVC vent material must be ULC/UL listed, for Category IV boilers. Suggested source: IPEX Inc.4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).
5347963v1
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Viessmann Manufacturing Company Inc.750 McMurray RoadWaterloo, Ontario • N2V 2G5 • CanadaTel. (519) 885-6300 • Fax (519) 885-0887www.viessmann.ca • [email protected]
Viessmann Manufacturing Company (U.S.) Inc.45 Access RoadWarwick, Rhode Island • 02886 • USATel. (401) 732-0667 • Fax (401) 732-0590www.viessmann-us.com • [email protected]
28
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