PIPE CONNECTIONS
Connection, heating medium flow lineXL1
Connection, heating medium return lineXL2
Connection, cold waterXL3
Connection, hot waterXL4
Connection, hot water circulationXL5
Connection, draining heating mediumXL10
Connection, balanced cold waterXL15
Connection, T&P valveXL29
HVAC COMPONENTS
Expansion vesselCM1
Expansion relief valve, safety valve, hot water
heater
FL1
Safety valve, climate systemFL2
T&P valveFL5
Circulation pumpGP1
Filler valve, climate systemQM11
Filler valve 2, climate systemQM13
Venting, heating mediumQM20
Venting, coilQM22
Venting, heating medium 2QM26
Shuttle valve, climate system/water heaterQN10
Pressure reduction valve with integrated check valveQN17
FilterballQZ2
Non-return valveRM1
Overflow cupWM1
Overflow water dischargeWM2
Water sealWM6
Overflow pipe, safety valve hot water heaterWP1
Overflow pipe, safety valve climate systemWP2
Overflow pipe, condensationWP3
SENSORS ETC.
Level monitor for the overflow cupBL3
Pressure gauge, heating systemBP5
Outside sensor
1
BT1
Temperature sensors, heating medium flowBT2
Temperature sensor, hot water, controlBT6
Temperature sensor, hot water, displayBT7
Thermostat, backup heatingBT30
Room sensor
1
BT50
ELECTRICAL COMPONENTS
Immersion heater cardAA1
Base cardAA2
Input circuit boardAA3
Display unitAA4
AA4-XF3 USB socket
AA4-XF4 Service socket
Communication boardAA23
Immersion heaterEB1
Miniature circuit-breakerFC1
Temperature limiterFQ10
EMC cardRF3
SwitchSF1
Network cable for NIBE Uplink
TM
W130
MISCELLANEOUS
Rating platePZ1
Serial number platePZ3
Cable glandUB1-2
1
Not visible in the image
Designations in component locations according to standard IEC 81346-
2.
13Chapter 3 | The heat pump designNIBE F730
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