GB
Troubleshooting
Communication error
Check that the settings in RMU 40 menu 5 and heat
pump/indoor module menu 5.2 correspond.
Check the cable connection between RMU 40 and
heat pump/indoor module.
Display extinguished
Check the cable connection between RMU 40 and
heat pump/indoor module.
Check that the unit is not in stand-by mode.
Technical data
Technical specifications
Plastic spacer WxHxD (mm)
Dimensions WxHxD (mm)
Rated voltage
22
RMU 40
85x85x35
85x85x14
12 VDC 40 mA
(supplied from the heat
pump/indoor module)