Application A375.2 — up to 2 burner steps, P4 is the circulation pump in the DHW circuit
Application A375.3 — up to 2 burner steps, P4 is the circulation pump in heating circuit 2
Terminal
Description
Max. load
19
Phase for alarm and burner B2
18
Alarm (A1)
4 (2) A / 230 V a.c.*
17
B2
Burner ON / OFF
4 (2) A / 230 V a.c.*
16
Phase for pump P4
15
P4
Circulation pump
4 (2) A / 230 V a.c.*
14
Phase for pumps and burner
13
P3
DHW heating pump, circuit 2 (A375.2) or circuit 3 (A375.3)
4 (2) A / 230 V a.c.*
12
B1
Burner ON / OFF
4 (2) A / 230 V a.c.*
11
P1
Circulation pump ON / OFF, circuit 1
4 (2) A / 230 V a.c.*
10
Supply voltage 230 V a.c. - neutral (N)
9
Supply voltage 230 V a.c. - live (L)
8
Phase for motorized changeover valve output M1
7
M1
Motorized changeover valve, DHW circuit direction, circuit 2 (A375.2) or circuit 3 (A375.3)
0.2 A / 230 V a.c.
6
M1
Motorized changeover valve, heating circuit direction, circuit 2 (A375.2) or circuit 3 (A375.3)
0.2 A / 230 V a.c.
5
Phase for motorized control valve M2, circuit 2
4
M2
Motorized control valve - opening, circuit 2 (A375.3)
0.2 A / 230 V a.c.
3
M2
Motorized control valve - closing, circuit 2 (A375.3)
0.2 A / 230 V a.c.
* Relay contacts: 4 A for ohmic load, 2 A for inductive load
Factory established jumpers:
5 to 8, 9 to 14 , L to 5 and L to 9, N to 10
VI.GU.L2.02
© Danfoss | 2017.09 | 55
Operating Guide ECL Comfort 210/296/310, application A275/A375
