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
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
Electrical components
Joint cardAA100
Compressor heaterEB 10
Cooling components
EvaporatorEP1
CondenserEP2
CompressorGQ10
Drying filterHS1
Expansion valveQN1
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
F1245Chapter 2 | The heat pump design10
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