Danfoss ECL Comfort 210 Installation Manual page 61

Installation Guide
2.5.4 Electrical connections, 24 V a.c., power supply, pumps, motorized valves etc.
Application A275.1 / A275.2
Double-insulated (two-chamber) transformer
Terminal Description
16
Alarm (A1)
15
14
Phase for control of pumps and burner
13 K3 Control of DHW heating pump ON / OFF, circuit 2 (A275.2 only)
12 B1 Burner ON / OFF
11 K1
Control of circulation pump ON / OFF, circuit 1
10
Supply voltage 24 V a.c. - (SN)
9
Supply voltage 24 V a.c. - (SP)
8 M1
Phase for motorized changeover valve output, circuit 2 (A275.2 only)
7
M1 Motorized changeover valve, DHW circuit direction (A275.2 only)
6 M1 Motorized changeover valve, heating circuit direction, (A275.2 only)
* 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
ECL Comfort 210 / 310, application A275 / A375
VI.GU.L1.02
Max. load
4 (2) A / 24 V a.c.*
4 (2) A / 24 V a.c.*
4 (2) A / 24 V a.c.*
4 (2) A / 24 V a.c.*
1 A / 24 V a.c.
1 A / 24 V a.c.
DEN-SMT/DK 61