Pipe connections
Connection, heating medium flow lineXL1
Connection, heating medium return lineXL2
Docking connection, supply line (from heat pump)XL8
Docking connection, return line (to heat pump)XL9
Ventilation connection, supply airXL33
Ventilation connection, outdoor airXL34
HVAC components
Buffer vesselCP10
Heating medium pump2GP6
Venting, heating mediumQM20
Venting, buffer tankQM23
Shuttle valve, climate system/water heaterQN10
Control valve heating mediumQN40
Sensors etc.
Temperature sensor, supply airBT22
Temperature sensor, outdoor airBT23
Supply temperature sensorBT68
Return line sensorBT69
Electrical components
Accessory cardAA5
Dip switchAA5-S2
Joint boardAA100
SwitchSF1
Cord with connection plugW101
Communication cableW102
Ventilation
Supply air batteryEP13
Supply air fanGQ3
Supply air filterHQ11
Frost protection damperQN42
Miscellaneous
Type platePZ1
Designations according to standard EN 81346-2.
11Chapter 3 | The design of the supply air moduleSAM S42
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