Danfoss ECL Comfort User Manual page 10

10k
10.6 Weather compensated 1-stage heat pump with
additional electric heater for mixing circuit
and DHW circuit (parallel operation or DHW
priority)
System settings
Circuit Line Description
Influence on desired heat
II 17
pump temperature
Closed valve / normal
I 52
operation
II 85 Application selection
II 140 Alarm input selection
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 - parallel operation
Connections of controlled units
- DHW priority operation
Terminal Description
Recomm.
setting
3
ON/OFF
0
0
10
12
13 EH
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
6 P4 Circulation pump, DHW
8 230 V a.c. voltage supply for
P4 (P2)
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
Electric heater
230 V a.c. voltage supply for
electric heater 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
10l
Max. load
0.2 A / 230 V a.c.
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.