Application A275.3
Double-insulated (two-chamber) transformer
Terminal
Description
Max. load
16
Phase for control of circulation pump P4, circuit 2
15
K4
Control of circulation pump ON / OFF, circuit 2
4 (2) A / 24 V a.c.*
14
Phase for control of pumps and burner
13
K3
Control of DHW heating pump ON / OFF, circuit 3
4 (2) A / 24 V a.c.*
12
B1
Burner ON / OFF
4 (2) A / 24 V a.c.*
11
K1
Control of circulation pump ON / OFF, circuit 1
4 (2) A / 24 V a.c.*
10
Supply voltage 24 V a.c. - (SN)
9
Supply voltage 24 V a.c. - (SP)
8
Phase for motorized changeover valve output M1, circuit 3
7
M1
Motorized changeover valve, DHW circuit direction
1 A / 24 V a.c.
6
M1
Motorized changeover valve, heating circuit direction
1 A / 24 V a.c.
5
Phase for motorized control valve M2, circuit 2
1 A / 24 V a.c.
4
M2
Motorized control valve - opening, circuit 2
1 A / 24 V a.c.
3
M2
Motorized control valve - closing, circuit 2
1 A / 24 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 | 63
Operating Guide ECL Comfort 210/296/310, application A275/A375
