ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...

Installation Guide ECL Comfort 210 / 310, application A275 / A375
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
Danfoss District Energy VI.GU.L1.02 DEN-SMT/DK 55