Installation Guide
ECL Comfort 210 / 296 / 310, A266
(code no. 087H3800)
A266.1 (ex. a):
P
P
P
P
P
P
© Danfoss | 2020.11
M1, M2 = 3-point / 0 - 10 V
AN15658645876100-000701 | 1
Installation Guide, ECL Comfort 210 / 296 / 310, A266
A266.1 (ex. b):
M1, M2 = 3-point / 0 - 10 V
A266.1 (ex. c):
A266.2 (ex. a):
S1
M2
S7
M1
ECL 210 / 296 / 310
S5
S6
S2
A1
S3
P2
Danfoss
87H2144.15
S4
P1
M1, M2 = 3-point / 0 - 10 V
2 | © Danfoss | 2020.11
M2 = 3-point / 0 - 10 V
AN15658645876100-000701
Installation Guide, ECL Comfort 210 / 296 / 310, A266
A266.9 (ex. a):
M1, M2 = 3-point / 0 - 10 V
A266.10 (ex. a):
A266, ECA 32
M1 M2
A266.1
A266.2
A266.9
A266.10
ECL Comfort 210 / 296 / 310:
230 V a.c.
AN15658645876100-000701
ü ü
ü ü
ü ü
M1, M2 = 3-point / 0 - 10 V
0 - 10 V:
ü
4 (2) A / 230 V a.c.
0,2 A / 230 V a.c.
© Danfoss | 2020.11 | 3
Installation Guide, ECL Comfort 210 / 296 / 310, A266
ECL Comfort 210 / 310 ECL Comfort 296
230 V a.c. , A266.1 / A266.2 / A266.9 / A266.10
87H1631.10
Danfoss
L
N
230 V a.c. , A266.1 / A266.2 / A266.9 / A266.10
A266, ECL Comfort 310
ECA 32, V1, V2
4 | © Danfoss | 2020.11
AN15658645876100-000701
Installation Guide, ECL Comfort 210 / 296 / 310, A266
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
87H2105.10
Danfoss
87H2106.10
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
M2
Danfoss
87H2107.10
M1
Danfoss
87H2108.10
AN15658645876100-000701
M2
© Danfoss | 2020.11 | 5
Installation Guide, ECL Comfort 210 / 296 / 310, A266
230 V a.c. / 24 V a.c. , safety thermostat
2-step closing
ECL 210 / 310
M1
230 V a.c. / 24 V a.c. , safety thermostat
2-step closing
ECL 210 / 310
Danfoss
87H2109.10
Danfoss
87H2110.10
ECL Comfort 310:
24 V a.c.
M2
4 (2) A / 24 V a.c.
1 A / 24 V a.c.
6 | © Danfoss | 2020.11
AN15658645876100-000701
Installation Guide, ECL Comfort 210 / 296 / 310, A266
24 V a.c. (A266.1 / A266.2 / A266.9 / A266.10)
24 V a.c. (A266.1 / A266.2 / A266.9 / A266.10)
AN15658645876100-000701
© Danfoss | 2020.11 | 7
Installation Guide, ECL Comfort 210 / 296 / 310, A266
Pt 1000 (1000 Ω / 0 °C)
87H1487.11
Danfoss
L
230 V a.c.
N
PE
A266.1 / A266.2 / A266.9 / A266.10
S2 S1
ECL Comfort 210 / 296 / 310
28
29
30
31
32
S2
S1
+
B
ECL 485
230 V a.c.
ECL Comfort 210 / 296 / 310
28
29
30
31
32
S2 S1
L
N
PE
S2
S1
+
B
ECL 485
A266.1 / A266.2 / A266.10
S7
8 | © Danfoss | 2020.11
METER
ECL 310
20
21
22
23
24
25
26
27
28
29
30
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
ECL 210 / 296
S8
S7
S6
S5
S4
S3
S2
S1
87H1098.12
Danfoss
AN15658645876100-000701
Installation Guide, ECL Comfort 210 / 296 / 310, A266
A266.1 / A266.2 / A266.10
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
AN15658645876100-000701
© Danfoss | 2020.11 | 9
Installation Guide, ECL Comfort 210 / 296 / 310, A266
A266.2 / A266.9 / A266.10
S8
A266.9
V d.c. = 12 - 24 V d.c.
10 | © Danfoss | 2020.11
AN15658645876100-000701
Installation Guide, ECL Comfort 210 / 296 / 310, A266
ECA 30 / 31
Master / slave
AN15658645876100-000701
Danfoss
87H2052.11
B
A
B
A
B
A
B
A
© Danfoss | 2020.11 | 11
ECL 296 / 310
Installation Guide, ECL Comfort 210 / 296 / 310, A266
Modbus
ECL 210 / 296 / 310
M-bus
Danfoss
87H2060.11
B
A
B
A
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
12 | © Danfoss | 2020.11
AN15658645876100-000701
Ω
°C
Installation Guide, ECL Comfort 210 / 296 / 310, A266
Pt 1000 (IEC 751B, 1000 Ω / 0 °C)
-50
-40
-30
-20
-10
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
803
843
1600
1500
Ω
882
922
1400
961
1000
0
1039
1300
1078
1117
1200
1155
1194
1232
1271
1309
1100
1000
1347
1385
1423
1461
1498
900
800
1535
1573
-50
-25 0255075 100 125 150
°C
120
2.2 2.6 3.0 3.41.8
110
1.4
100
90
1.0
80
70
0.6
60
50
40
0.2
30
20
10
-30 -20 -10 0 10 20
AN15658645876100-000701
© Danfoss | 2020.11 | 13
Installation Guide, ECL Comfort 210 / 296 / 310, A266
ECA 30
14 | © Danfoss | 2020.11
AN15658645876100-000701
Installation Guide, ECL Comfort 210 / 296 / 310, A266
ECL Comfort 296
A: B:
C: D:
AN15658645876100-000701
© Danfoss | 2020.11 | 15
Installation Guide, ECL Comfort 210 / 296 / 310, A266
ECL Comfort 210 / 310
?
?
-> Playlists -> How-to Videos -> District Energy installation videos
16 | © Danfoss | DHS-SMDT/DK | 2020.11
ECL Comfort 210 / 296 / 310, A266: www.heating.danfoss.com
https://www.youtube.com/user/DanfossHeating
*087H9002*
AN15658645876100-000701
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