Nibe S1156 - Distribution Boxes and Contents; Cooling Module Components

Distribution boxes
UN
-X29
-X28
0-5V 1
+5V 2
AUX1 3
AUX2 4
AUX3 5
AUX4 6
AUX5 7
AUX6 8
AUX7 9
AUX8 10
BT6 11
BT25 12
1
1
2
3
2
3
4
5
6
7
8
9
10
11
12
GND
+12V
B
A
OT+
OT−
0-5V
PWM0
PWM1
CPU
EXT COM
INT COM
ERROR
POWER
+5V
GND
BE1
BE2
BE3
K10
-X27
NO
O
NC
AUX-RELAY
BT50 13
BT1 14
-X30
FQ10-S2FQ10AA2
RF2
ELECTRICAL COMPONENTS
Base cardAA2
Temperature limiterFQ10
FQ10-S2 Reset button for temperature limiter
EMC filter
1
RF2
1
Only for S1156-13
Cooling module
8 kW
BT11
BT12
BT10
BT3
GP2
QM2 QM1
GP1
AA3
RF2
13 kW
UN
BT11
BT12
RA1
BT10
BT15
GP2
QM2
QM1
GP1
CA1
QA40
AA3
8 kW
EP2
CA1
RA1
BP1
BT14
QA40
BT15
GQ10
BP2
QN1
EB10
EP1
HS1
XL21
XL20
BT17
FQ14
BP9
BP8
BT84
13 kW
UN
BP9
EP2
GQ10
EP1
BT17
BP2
BT15
EB10
XL20
HS1
BT14
XL21
QN1
FQ14
BP1
BP8
BT3
BT84
PIPE CONNECTIONS
Service connection, high pressureXL20
Service connection, low pressureXL21
HVAC COMPONENTS
Circulation pumpGP1
Brine pumpGP2
Drainage, climate systemQM1
Draining, brine sideQM2
SENSORS ETC.
High pressure pressostatBP1
Low pressure pressostatBP2
Low pressure transmitterBP8
High pressure sensorBP9
Temperature sensors, heating medium returnBT3
Temperature sensor, brine inBT10
Temperature sensor, brine outBT11
Temperature sensor, condenser supply lineBT12
Temperature sensor, hot gasBT14
Temperature sensor, fluid pipeBT15
Temperature sensor, suction gasBT17
Temperature sensor, suction gas evaporatorBT84
NIBE S1156Chapter 3 | The heat pump design12