Check that the unit is not in stand-by mode.
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Technical data
Technical specifications
RMU 40
Plastic spacer WxHxD
Dimensions WxHxD
Rated voltage
Part No.
RMU 40 | GB
mm
85x85x35
mm
85x85x14
12 VDC 40 mA
(supplied from the heat
pump/indoor module)
067 064
21