Nibe S1155PC Installer Manual page 59

It is often easier to start the circulation pump with
S1155PC running. If the circulation pump is helped to
start with S1155PC running, be prepared for the
screwdriver to jerk when the pump starts.
GP1
The image shows an example of what a circulation pump can look
like.
TEMPERATURE SENSOR DATA
Temperature (°C) Resistance
(kOhm)
-40 351.0
-35 251.6
-30 182.5
-25 133.8
-20 99.22
-15 74.32
-10 56.20
-5 42.89
0 33.02
5 25.61
10 20.02
15 15.77
20 12.51
25 10.00
30 8.045
35 6.514
40 5.306
45 4.348
50 3.583
55 2.968
60 2.467
65 2.068
70 1.739
75 1.469
80 1.246
85 1.061
90 0.908
95 0.779
100 0.672
1 The images show examples of what a cooling module could look like.
NIBE S1155PC
QM5
Voltage (VDC)
3.256
3.240
3.218
3.189
3.150
3.105
3.047
2.976
2.889
2.789
2.673
2.541
2.399
2.245
2.083
1.916
1.752
1.587
1.426
1.278
1.136
1.007
0.891
0.785
0.691
0.607
0.533
0.469
0.414
REMOVE THE MOTOR ON THE SHUTTLE
VALVE
The motor on the shuttle valve can be removed to facil-
itate servicing.
• Disconnect the cable from the motor and remove the
motor from the shuttle valve as illustrated.
PULLING OUT THE COOLING MODULE
The cooling module can be pulled out for service and
1
transport.
NOTE
Switch off the heat pump and cut the power
with the safety switch.
Caution
Remove the front cover according to the de-
scription on page
1. Close the shut-off valves (QM31), (QM32), (QM33)
and (QM34).
Drain the compressor module according to the in-
structions on page 58
QM31
QM34
Pull off the lock catches.
2.
1.
2.
7.
QM33
QM32
Chapter 10 | Service 59