Manualshelf

Assortment / System Description

ManualsBrandsSiemens ManualsRoom controlsSupply and extract VAV with analog VAV controller, heating and cooling coil and hot water radiator on triac output, DXR2.E18-102A
171172173174175176177178179180
Heat pump application
Speed-controlled heat pump with reversing valve control
20
A6V10866237_en--_b_08 173 | 275
20.6 Speed-controlled heat pump with reversing
valve control
Figure: Speed-controlled heat pump application with reversing valve
control
Key:
DXR2… Automation Station HP Heat pump
D1 Presence Q1 Speed-controlled fan
D2 Window contact R1 Room operator unit
Y Output signal heat pump TR Room temperature
SpH Effective heating setpoint SpC Effective cooling setpoint
YH Heat pump heating YC Heat pump cooling
YRV Reversing valve heat pump
Figure: Modulating heating and cooling sequence with reversing valve
Plant diagram
Sequences