Installation Guide
ECL Comfort 210 / 296 / 310, A237 / A337
(code no. 087H3806, 087H3821)
A237.1, ex. a / A337.1, ex. a:
P
P
P
P
P
P
© Danfoss | 2020.11
ECL 210 / 310 = ECL 210 / 296 / 310
AN19348646654700-000401 | 1
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
A237.1, ex. b / A337.1, ex. b:
ECL 210 / 310 = ECL 210 / 296 / 310
A237.1, ex. c / A337.1, ex. c:
A237.1, ex. d / A337.1, ex. d:
2 | © Danfoss | 2020.11
ECL 210 / 310 = ECL 210 / 296 / 310
ECL 210 / 310 = ECL 210 / 296 / 310
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
A237.2, ex. a / A337.2, ex. a:
ECL 210 / 310 = ECL 210 / 296 / 310
A237.2, ex. b / A337.2, ex. b:
ECL 210 ECL 296 ECL 310
A237 A237.1 √ √ √
A237.2 √ √ √
A337.1 √
A337.1 √
AN19348646654700-000401
ECL 210 / 310 = ECL 210 / 296 / 310
© Danfoss | 2020.11 | 3
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
ECL Comfort 210 / 296 / 310:
230 V a.c.
230 V a.c., A237.1
4 (2) A / 230 V a.c.
0,2 A / 230 V a.c.
230 V a.c., A237.2
4 | © Danfoss | 2020.11
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
230 V a.c., A237.1, A237.2
ECL 296
230 V a.c., A337.1
230 V a.c., A337.2
ECL 310 / 230 V a.c.
ECL 310 / 230 V a.c.
A1
A1
Danfoss
87H2045.11
Danfoss
87H2046.11
AN19348646654700-000401
© Danfoss | 2020.11 | 5
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
230 V a.c.
Danfoss Thermo-actuator ABV
ECL Comfort 210 / 296 / 310:
24 V a.c.
24 V a.c., A237.1
4 (2) A / 24 V a.c.
1 A / 24 V a.c.
6 | © Danfoss | 2020.11
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
24 V a.c., A237.2
24 V a.c., A337.1
ECL 310 / 24 V a.c.
A1
Danfoss
87H2047.12
24 V a.c., A337.2
ECL 310 / 24 V a.c.
S
P
S
A1
S
SN SN
S
Danfoss
87H2048.12
SP
SN
AN19348646654700-000401
© Danfoss | 2020.11 | 7
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
24 V a.c.
Danfoss Thermo-actuator ABV
ECL 310 / 24 V a.c.
SN SN
Danfoss
87H1681.10
SP
SN
230 V a.c. / 24 V a.c. , safety thermostat
1-step closing
ECL 210 / 310
230 V a.c. / 24 V a.c. , safety thermostat
1-step closing
ECL 210 / 310
Danfoss
87H2105.10
M1
Danfoss
87H2106.10
8 | © Danfoss | 2020.11
M2
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
230 V a.c. / 24 V a.c. , safety thermostat
1-step closing
ECL 210 / 310
M1
230 V a.c. / 24 V a.c. , safety thermostat
1-step closing
ECL 210 / 310
Danfoss
87H2107.10
Danfoss
87H2108.10
230 V a.c. / 24 V a.c. , safety thermostat
2-step closing
ECL 210 / 310
230 V a.c. / 24 V a.c. , safety thermostat
2-step closing
ECL 210 / 310
M2
Danfoss
87H2109.10
M1
Danfoss
87H2110.10
AN19348646654700-000401
M2
© Danfoss | 2020.11 | 9
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
Pt 1000 (1000 Ω / 0 °C)
87H1487.11
Danfoss
230 V a.c.
ECL Comfort 210 / 296 / 310
28
29
30
31
32
S2 S1
L
N
PE
S2
S1
+
B
Pt 1000 (1000 Ω / 0 °C)
ECL 210 / 296 / 310
S1 S2 S3 S4 S5 S6 S7 S8
A237.1 √ √ √ √ √ √
A237.2 √ √ √ √ √ √ √
ECL 485
L
230 V a.c.
N
PE
ECL 210 / 296 / 310
S2 S1
ECL Comfort 210 / 296 / 310
28
29
30
31
32
Danfoss
87H2044.13
S2
S1
+
B
ECL 485
B
A
B
A
10 | © Danfoss | 2020.11
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
Pt 1000 (1000 Ω / 0 °C)
ECL 310
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10
A337.1 √ √ √ √ √ √ 0 - 10 V
A337.2 √ √ √ √ √ √ √ 0 - 10 V
A237.1, A237.2
S7
METER
ECL 310
20
21
22
23
24
25
26
27
28
29
30
S10
ECL 210 / 296
S9
S8
S7
S6
S5
S4
S3
S2
S1
87H1098.12
Danfoss
S8
S7
S6
S5
S4
S3
S2
S1
AN19348646654700-000401
© Danfoss | 2020.11 | 11
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
A237.1, A237.2
S7
A / B ?
A: B:
A:
B:
(l / m³)
(kWh / MWh)
(l / m³)
(kWh / MWh)
ECL 310
S10
ECL 210 / 296
S9
S8
S7
S6
S5
S4
S3
S2
S1
+
S8
S7
S6
S5
S4
S3
S2
S1
+
87H1459.11
Danfoss
4,7 K Ω
0,5 W
20
21
22
23
24
25
26
27
28
29
30
31
ECL 310
20
21
22
23
24
V+
R
25
26
27
28
29
30
31
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
+
ECL 210 / 296
S8
S7
S6
S5
S4
S3
S2
S1
+
87H1460.11
Danfoss
12 | © Danfoss | 2020.11
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
A337.1, A337.2:
ECL 310
ECA 30 / 31
Danfoss
87H2059.10
ECA 30 / 31
AN19348646654700-000401
© Danfoss | 2020.11 | 13
Danfoss
87H2052.11
A
A
B
B
A
A
B
B
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
Master / slave
Modbus
ECL 210 / 296 / 310
B
A
B
A
Danfoss
87H2060.11
M-bus
M-bus
ECL 296 / 310
Danfoss
87H2061.11
B
A
B
A
ECL 296 / 310
+
B
A
B
A
S.Gnd
S1
87H1308.11
Danfoss
M-bus
29
METERMETER
30
31
32
33
34
35
36
37
38
14 | © Danfoss | 2020.11
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
Pt 1000 (IEC 751B, 1000 Ω / 0 °C)
Ω
803
843
882
922
961
1600
1500
1400
1300
1200
1100
1000
900
800
-50
-25 0255075 100 125 150
°C
-40
-30
100
110
120
130
140
150
-50
-20
-10
10
20
30
40
50
60
70
80
90
Ω
1000
0
1039
1078
1117
1155
1194
1232
1271
1309
1347
1385
1423
1461
1498
1535
1573
°C
120
110
100
90
80
70
60
50
40
30
20
10
2.2 2.6 3.0 3.41.8
1.4
1.0
0.6
0.2
-30 -20 -10 0 10 20
AN19348646654700-000401
© Danfoss | 2020.11 | 15
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
ECA 30
16 | © Danfoss | 2020.11
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
AN19348646654700-000401
© Danfoss | 2020.11 | 17
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
18 | © Danfoss | 2020.11
AN19348646654700-000401
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
AN19348646654700-000401
© Danfoss | 2020.11 | 19
Installation Guide, ECL Comfort 210 / 296 / 310, A237 / A337
?
?
-> Playlists -> How-to Videos -> District Energy installation videos
20 | © Danfoss | DHS-SMDT/DK | 2020.11
ECL Comfort 210 / 296 / 310, A237 / A337: www.heating.danfoss.com
https://www.youtube.com/user/DanfossHeating
*087H9037*
AN19348646654700-000401
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