– 125 –
8. OUTDOOR UNIT INSTALLATION MANUAL
Engineering Data book
12
FUNCTIONS TO BE IMPLEMENTED LOCALLY
Recovering Refrigerant
• Use the refrigerant recovery switch SW801 on the P.C. board of the outdoor unit to recover refrigerant when the
hydro unit or outdoor unit is moved.
Procedure
1. Drain off the water in the hydro unit.
2. Turn on the power of the Air to Water Heat Pump.
3. Set SW804 on the P.C. board of the outdoor unit to all OFF, and then press SW801 for one second or more.
The Air to Water Heat Pump enters the forced cooling mode for up to 10 minutes. Operation or handling the
valve to recover refrigerant during this time period.
4. Upon completion of refrigerant recovery, close the valve and press SW801 for at least one second to stop
operation.
5. Turn off the power.
DANGER
Take care for an electric shock because the P.C.board is electrified.
1234
ON
1234
ON
Refrigerant
recovery
switch
SW801
Optional
connector
CN610
Special
operation
select switch
SW804
P.C. board
19-EN
To Next Page
Loading...
