Installation Guide
Application A375.1 (up to 4 burner steps)
Terminal
Description
19
Phase for alarm and burner B4
18
Alarm (A1)
17
B4
Burner ON / OFF
16
Phase for burner B3
15
B3
Burner ON / OFF
14
Phase for pump and burners
13
B2
Burner ON / OFF
12
B1
Burner ON / OFF
11
P1
Circulation pump ON / OFF
10
Supply voltage 230 V a.c. - neutral (N)
9
Supply voltage 230 V a.c. - live (L)
* 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 / 230 V a.c.*
4 (2) A / 230 V a.c.*
4 (2) A / 230 V a.c.*
4 (2) A / 230 V a.c.*
4 (2) A / 230 V a.c.*
4 (2) A / 230 V a.c.*
DEN-SMT/DK
53