Pipe connections
Connection, heating medium out of F2120XL1
Connection, heating medium in to F2120,XL2
Service connection, high pressureXL20
Service connection, low pressureXL21
Connection, drain condensation water troughXL40
Sensors etc.
High pressure pressostatBP1
Low pressure pressostatBP2
Low pressure transmitterBP8
High pressure sensorBP9
Pressure sensor, injectionBP11
Temperature sensor, returnBT3
Temperature sensor, condenser supply lineBT12
Temperature sensor, hot gasBT14
Temperature sensor, fluid pipeBT15
Temperature sensor, evaporatorBT16
Temperature sensor, suction gasBT17
Temperature sensor, ambientBT28
Temperature sensor, injection, EVI compressorBT81
Temperature sensor, suction gas evaporatorBT84
Electrical components
Base cardAA2
Capacitor (1x230V)CA1
Compressor heaterEB10
FanGQ1
InverterQA40
Harmonic filter (3x400V)RA1
Choke (1x230V)RA1
EMC filter (3x400V)RF2
Terminal block (1x230V)X6
Cooling components
EvaporatorEP1
CondenserEP2
CompressorGQ10
Particle filterHQ9
Drying filterHS1
Expansion valveQN1
Bypass valveQN4
4-way valveQN2
Expansion valve, subcoolingQN34
Non-return valveRM1
Miscellaneous
Type platePF1
Serial numberPF3
Sign, pipe connectionsPF4
Cable gland, incoming supplyUB1
Condensation water troughWM5
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
NIBE™ F2120Chapter 3 | The heat pump design18
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