Powering Up ( All Systems ) - Mitsubishi Electric PUHZ-W50VHA2 5kW Mono Installation And Maintenance Manual

If the outdoor unit is off the remote controller will not power up
If the outdoor unit is off the remote controller will not power up.
Makes sure all your room thermostats are off and all underfloor run signals are off. Apply power to outdoor unit first.
Now power the indoor unit, you should see a display on the indoor and outdoor PCB.
Remote controller set up first time
1. The controller will say English
2. Setting time and date
Set Year + or – press >
Set Month + or – press >
Set Day + or – press >
Set Hour + or – press >
Set Mins + or – press >
confirmed,
3. Press DWH in black will show, press
says Normal and Legionella has a tick by it.
4. Press return
5. Press f3 button > to heating and press
6. It should be set to compensation curve, if not scroll with the F1
button till the graph shows. As a default this is set to 50C flow
temp at –10C ambient and 30C at 30 ambient
20
Installation Manual.indd 20

Powering Up ( All Systems )

confirmed,
. Make sure its
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27/10/2019 15:14:22