Danfoss ECL Comfort User Manual page 11

10m
10.7 Weather compensated 2-stage heat pump with
additional electric heater for mixing circuit and
DHW circuit (priority operation)
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
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
ON/OFF
0
0
1-100
10
12
13 C2
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 M2 Changeover valve
- open (DHW)
7 M2 Changeover valve
- close (heating)
8 230 V a.c. voltage supply for
M2
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
Compressor II, heat pump
230 V a.c. voltage supply for
compressor 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
10n
Max. load
0.2 A / 230 V a.c.
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.