Danfoss ECL Comfort User Manual page 13

10q
10.9 Weather compensated 1-stage heat pump
with additional solar panel for mixing circuit
and DHW circuit (DHW priority or parallel
operation)
System settings
Circuit Line Description
Influence on desired heat
II 17
pump temperature
Closed valve / normal
I 52
operation
II 140 Alarm input selection
II 147 Cut-in of solar panel circuit
II 168 Cut-out of solar panel circuit
The controller will not be active unless line 140 is set to 0.
To protect the solar panel and the entire system from too high
temperatures, an external safety function must be applied.
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
1
ON/OFF
0
10
0.1-99.9
0.1-99.9
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
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 in solar
circuit
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
10r
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.