1

Mounting Guide

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

ECL Comfort 210/310, A275/A375 (code no. 087H3814)

P

P

P

P

P

P

A275.1 (ex. a):D

anfo

ss87

H21

63.1

1

P1

S7

*

ECL 210 / (310)

A1

S1

S3

S5

B1

1

j k l

2

A275.1 (ex. b):

S3

S5

B1

Dan

foss

87H

2164

.10

P1

S7

*

ECL 210 / (310)

A1

S1

①

A275.2 (ex. a):

Dan

foss

87H

2165

.11

P1

S7

*

ECL 210 / 310

A1

S1

S3

S5

B1

S6

P3

1

2

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

3

A275.2 (ex. b):

Dan

foss

87H

2166

.11

P1

S7

*

ECL 210 / 310

A1

S1

S3

S5

B1

S6P3/M1

1

2

A275.2 (ex. c):

Dan

foss

87H

2167

.10

P1

S7

*

ECL 210 / (310)

A1

S1

①

②S6

P3

S3

S5

B1

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

4

A275.2 (ex. d):

Dan

foss

87H

2168

.10

①

②

P1

S7

*

ECL 210 / (310)

A1

S1

S6

S3

S5

B1

P3/M1

A275.3 (ex. a):

Dan

foss

87H

2169

.10

P1

S7

*

ECL 210 / (310)S1

S3

S5

B1

②

①

③S6

P3

P4

S8

S2

S4M2

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

5

A275.3 (ex. b):

Dan

foss

87H

2170

.10

P1

S7

*

S3

S5

B1

S6

ECL 210 / (310)S1

P4

S8

S2

S4M2

②

①

③

P3/M1

A275.3 (ex. c):

Dan

foss

87H

2171

.10

P1

S7

*

S3

S5

B1

S6

ECL 210 / (310)S1

P4

S8

S2

S4M2

②

①

③

P3/M1

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

6

A275.3 (ex. d):

Dan

foss

87H

2172

.10

P1

S7

*

ECL 210 / (310)S1

S3

S5

B1

②

①

③S6

P3

P4

S8

S2

S4M2

A275.3 (ex. e):

Dan

foss

87H

2173

.10

P1

S7

*

ECL 210 / (310)S1

②

①

③S6

P3

P4

S8

S2

S4M2

S3

S5

B1

A275.3 (ex. f):

Dan

foss

87H

2174

.10

P4

S8

ECL 210 / (310)S1

S3

S5

B1

②

③S6

P3

S2

S4M2

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

7

A275.3 (ex. g):

Dan

foss

87H

2175

.10

P1

S7

*

ECL 210 / (310)S1

S3

S5

B1

②

①

P4

S8

S2

S4M2

A375.1 (ex. a):

Dan

foss

87H

2176

.10

P1

S7

*

ECL 310

A1

S1

①S5

S3

B2

B1

A375.1 (ex. b):

Dan

foss

87H

2178

.10

P1

S7

*

ECL 310

A1

S1

①

S3

S5

B1 B2

A375.1 (ex. c):

Dan

foss

87H

2179

.10

P1

S7

*

ECL 310

A1

S1

①S5

S3

B1

B2

A375.1 (ex. d):

Dan

foss

87H

2177

.10

P1

S7

*

ECL 310

A1

S1

①

S3

S5

B1 B2

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

8

A375.1 (ex. e):

Dan

foss

87H

2180

.10

P1

S7

*

ECL 310

A1

S1

①

S3

S5

B1 B3

B2 B4

A375. 1 (ex. f):

Dan

foss

87H

2181

.10

P1

S7

*

ECL 310

A1

S1

①

S3

S5

B1 B4

A375. 1 (ex. g):

Dan

foss

87H

2182

.10

P1

S7

*

S1

①

S3

S5

B1 B8

ECL 310

A1+ ECA 32

A375. 1 (ex. h):

Dan

foss

87H

2186

.10

P1

S7

*

S1

①

S3

S5

B1 B8

ECL 310

A1+ ECA 32

B2

A375. 1 (ex. i):

Dan

foss

87H

2187

.10

P1

S7

*

S1

①

S3

S5

B1 B8

ECL 310

A1+ ECA 32

B2 B3

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

9

A375.2 (ex. a):

Dan

foss

87H

2188

.10S1 ECL 310

A1+ ECA 32

S7

* ①

②S6

P3

S3

S5

B1 B8 P1

P4

A375.3 (ex. a):

Dan

foss

87H

2189

.10S1 ECL 310

A1+ ECA 32

P1

S7

*

②

①

③S6

P3

P4

S8

S2

S4M2

S3

S5

B1 B8

A375.4, ex. a:

Dan

foss

87H

1544

.10

P1

S7

*

ECL 310

+ ECA 32A1

S1

S3

S5

B1

1

S9

V1

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

10

A375.5, ex. a:

Dan

foss

87H

1545

.10

P1

S7

*

ECL 310S1

S3

S5

B1

S6

P3

P4

S8

S2

S4M2

+ ECA 32A1

1

2

3

P5

S9

V1

ECL 210, 230 V a.c.:

3-point

M1 M2

A275.1

A275.2 ü

A275.3 ü ü

ECL 210, 230 V a.c.:

P1 B1 P3 P4

A275.1 ü ü

A275.2 ü ü ü

A275.3 ü ü ü ü

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

11

ECL 310, 230 V a.c.:

3-point 0-10 V: (ECA 32)

M1 M2 M3 V1

A275.1

A275.2 ü

A275.3 ü ü

A375.1

A375.2 ü

A375.3 ü ü

A375.4 ü ü

A375.5 ü ü ü

ECL 310, 230 V a.c.:

P1 B1 P3 P4 P5

A275.1 ü ü

A275.2 ü ü ü

A275.3 ü ü ü ü

A375.1 ü ü

A375.2 ü ü ü ü

A375.3 ü ü ü ü

A375.4 ü ü

A375.5 ü ü ü ü ü

230 V a.c. - A275.1/A275.2

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

12

P3/M1 (A275.2)

A275.3

P3 / M1 (A275.3)

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

13

A375.1 (B1 ... B4)

A375.1 (B5 ... B8)

A375.2 / A375.3 (B1 ... B2)

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

14

P3 / M1:

A375.2 / A375.3 (B3 ... B6)

A375.2 / A375.3 (B7 ... B8)

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

15

A375.4 / A375.5

A375.4 / A375.5, Solid State relays

A375.4 / A375.5, ECA 32

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

16

ECL 310, 24 V a.c.:

3-point 0-10 V: (ECA 32)

M1 M2 M3 V1

A275.1

A275.2 ü

A275.3 ü ü

A375.1

A375.2 ü

A375.3 ü ü

A375.4 ü ü

A375.5 ü ü ü

ECL 310, 24 V a.c.:

P1 B1 P3 P4 P5

A275.1 ü ü

A275.2 ü ü ü

A275.3 ü ü ü ü

A375.1 ü ü

A375.2 ü ü ü ü

A375.3 ü ü ü ü

A375.4 ü ü

A375.5 ü ü ü ü ü

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

17

24 V a.c. - A275.1 / A275.2

P3 / M1 - A275.2 / A275.3

A275.3

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

18

A375.1 (B1 ... B4)

A375.1 (B5 ... B8)

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

19

A375.2 / A375.3 (B1 ... B2)

P3 / M1:

A375.2 / A375.3 (B3 ... B6)

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

20

A375.2 / A375.3 (B7 ... B8)

A375.4 / A375.5

A375.4 / A375.5, Solid State relays

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

21

230 V a.c. / 24 V a.c. safety thermostat1-step closing

Dan

foss

87H

2105

.10ECL 210 / 310

M1

Dan

foss

87H

2107

.10ECL 210 / 310

M1

Dan

foss

87H

2106

.10ECL 210 / 310

M2

ECL 210 / 310D

anfo

ss87

H21

08.1

0

M2

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

22

2-step closingECL 210 / 310

Dan

foss

87H

2109

.10

M1

ECL 210 / 310

Dan

foss

87H

2110

.10

M2

Pt 1000 (1000 Ω / 0 °C)

87H

1487

.10

Dan

foss

30

3231

2928 S2

S1

B

+12 V

EC

L 48

5

ECL Comfort 210 / 310

PE

N

L230 V a.c.

S2 S1

30

3231

2928 S2

S1

B

+12 V

EC

L 48

5

ECL Comfort 210 / 310

PE

N

L230 V a.c.

S2 S1

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

23

S9

V d.c. = 12 - 24 Volt d.c.

S9

V d.c. = 12 - 24 Volt d.c.

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

24

A375 (0-10 V)

Dan

foss

87H

2059

.10ECL 310

ECA 30 / 31

ECL 210 / 310ECA 30 / 31

A

AB

B

Dan

foss

87H

2051

.10

ESM-10

ECA 30 / 31

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

25

Master / slave

Dan

foss

87H

2052

.10

A

AB

BA

AB

B

Modbus

ECL 210 / 310

Dan

foss

87H

2060

.10

A

A

B

B

M-bus

ECL 310

Dan

foss

87H

2061

.10

A

A

B

B

M-bus

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

26

Pt 1000 (IEC 751B, 1000 Ω / 0 °C)

-50

800

900

1000

1100

1200

1300

1400

1500

1600

-25 0 25 50 75 100 125 150°C

Ω

Ω

803843 882922961

1000103910781117115511941232127113091347138514231461149815351573

°C

-50 -40 -30-20-10

0102030405060708090

100110120130140150

120

110

100

90

80

70

60

50

40

30

20

10

-30 -20 -10 0 10 20

2.2 2.6 3.0 3.41.8

1.4

1.0

0.6

0.2

Mounting Guide ECL Comfort 210/310, A275/A375

DEN-SMT/DK VI.GU.N3.00 Danfoss District Energy

27

ECA 30

Mounting Guide ECL Comfort 210/310, A275/A375

Danfoss District Energy VI.GU.N3.00 DEN-SMT/DK

Mounting Guide ECL Comfort 210/310, A275/A375

Produced by Danfoss A/S © 04/2015

*087H9097**VIGUN300*

? ECL Comfort 210/310, A275/A375: http://den.danfoss.com