Assortment / System Description

Heat pump application
Electric reheater
20
182 | 275 A6V10866237_en--_b_08
20.25 Electric reheater
The DXR2 applications also permit electric heating coil control in addition to
heat pump control. They are then operated as reheaters and only enabled if the
heat pump positioning signal is fully open.
Figure: Example for a heat pump with electric reheater
Key:
DXR2… Automation station HP Heat pump
D1 Presence R1 Room operator unit
D2 Window contact Q1 Fan
YR Electric heating coil
Y Output signal heat pump TR Room temperature
YR 1-stage electric reheater SpH Effective heating setpoint
YH Heat pump heating
Figure: 1-stage electric reheater
Plant diagram
Sequences