Danfoss ECL Comfort User Manual page 12

10o
10.8 Weather compensated 1-stage heat pump or
boiler control for mixing circuit
System settings
Circuit Line Description
Influence on desired heat
II 17
pump temperature
II 85 Application selection
II 140 Alarm input selection
Cut-in delay, compressors I
II 168
and II
The controller will not be active unless line 140 is set to 0.
System diagrams in this instruction are principal drawings and do
not contain all components which are necessary in your systems.
Connections of controlled units
Terminal Description
Recomm.
setting
3
1
0
OFF
10
12
13 M3 /
14
25 P2
26
28 P3
29
Temperature sensor connections, see section 14a.
1 (L) Voltage supply 230 V a.c.
2 (N) Voltage supply 230 V a.c.
3 M1 Actuator - open, circuit I
4 M1 Actuator - close, circuit I
alt. thermo actuator
5 230 V a.c. voltage supply for
M1
9 P1 Circulation pump
230 V a.c. voltage supply for
pump relay R1
11 C1 Compressor I, heat pump
230 V a.c. voltage supply for
compressor relay R2
Changeover valve and
B1 boiler B1
230 V a.c. voltage supply for
changeover valve and boiler
relay R3
Circulation pump, heat pump
230 V a.c. voltage supply for
pump relay R4
Ground coil (brine) pump
for heat pump
230 V a.c. voltage supply for
pump relay R5
10p
Max. load
0.2 A / 230 V a.c.
0.2 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.