General
PF1
QN10
BT2
EB1
UB1
QM34
QM31
XL1
XL6 XL7
XL2XL9
UB3
AA4
SF1
AA4-XJ4
AA4-XJ3
UB2
QM32
QM33
PF2
W130
EP14
PIPE CONNECTIONS
Connection, heating medium flowXL1
Connection, heating medium returnXL2
Connection, brine inXL6
Connection, brine outXL7
Connection, hot water heaterXL9
HVAC COMPONENTS
T&P valveFL5
Shut-off valve, heating medium flowQM31
Shut off valve, heating medium returnQM32
Shut off valve, brine outQM33
Shut-off valve, brine inQM34
Shuttle valve, climate system/water heaterQN10
SENSORS ETC.
Outdoor temperature sensor*BT1
Temperature sensors, heating medium flowBT2
* Not illustrated
ELECTRICAL COMPONENTS
Display unit
AA4-XJ3 USB socket
AA4-XJ4 Service outlet (No function)
AA4
Immersion heaterEB1
SwitchSF1
Network cable for NIBE UplinkW130
MISCELLANEOUS
Cooling sectionEP14
Rating platePF1
Type plate, cooling sectionPF2
Cable gland, incoming electricityUB1
Cable glandUB2
Cable gland, rear side, sensorUB3
Designations according to standard EN 81346-2.
NIBE F1155Chapter 3 | The heat pump design10
3 The heat pump design