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HR 12 M
ANUAL
Manual version 1.0 (15-07-2018)
2. Determine the corresponding pressure difference for the
pressure switch. To do so, use the graphic.
3. Set the isolation switch to 0.
4. Open the electronics module.
5. Set the pressure switch 7 to the pressure difference as
specified in step 2.
6. Close the electronics module.
7. Set the isolation switch to 1.
8. Check whether the frost protection is not unnecessarily
active:
1. Set the unit to fan speed 3.
Note:
n
If the unit was at a different speed, it will take
approximately two minutes before the valve
positions are adjusted.
2. Check in
menu > Maintenance > Unit control
value of the fourth input (1-2-3- 4) is a nil: x-x-x-0
en
I
NSTALLATION
that the
en-25
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