Coolant Check, Replenishment, and Replacement Procedure
1.
Required parts and tools used .......................................................................... 53
2.
Preparation for work ........................................................................................... 53
3.
Check and replenish coolant ............................................................................. 53
4. Coolant
replacement
........................................................................................... 54
5.
Coolant pump operation and stopping procedures ......................................... 58
Compressor Replacement Procedure
1.
Required parts and tools used .......................................................................... 60
2.
Prepare to remove the compressors ................................................................. 60
3.
Preparation for work ........................................................................................... 60
4.
Remove the compressor .................................................................................... 60
5.
Install the compressor ........................................................................................ 63
6.
Preparation for operation ................................................................................... 65
7. Final
check
........................................................................................................... 65
Fan Motor Replacement Procedure
1.
Required parts and tools used .......................................................................... 66
2.
Preparation for work ........................................................................................... 66
3.
Remove the fan motor ........................................................................................ 66
4.
Install the fan motor ............................................................................................ 67
5.
Preparation for operation ................................................................................... 68
6. Final
check
........................................................................................................... 68
Pump Down Procedure (Common to Cooling and Heating)
1.
Select the pump-down mode. ............................................................................ 69
2.
Stop operation for all indoor units .................................................................... 69
3.
Remove refrigerant shutoff valve cap ............................................................... 69
4.
Attach the gauge manifold ................................................................................. 69
5.
Operating the refrigerant shutoff valve (* 3 WAY MULTI only) .........................71
6.
Start the test run: Carry out a test run on the outdoor unit. ............................72
7. Con
¿
gure the forced close setting of the bypass valve. ..................................73
8.
Set engine rotational speed ................................................................................74
9.
Fully shut off the refrigerant liquid shutoff valve ..............................................75
10. Fully open the refrigerant gas shutoff valve ......................................................75
11. Disconnect the gauge manifold ..........................................................................75
12. Stop outdoor unit .................................................................................................76
13. Cancel
setting
.......................................................................................................76
14. Turn off fuel supply *Carry out this if necessary. .............................................76
Generator Replacement Procedure
1.
Required parts and tools used .......................................................................... 77
2.
Preparation for work ........................................................................................... 77
3.
Remove the generator ........................................................................................ 77
4.
Install the generator ............................................................................................ 80
5.
Preparation for operation ....................................................................................82
6. Final
check
............................................................................................................82
GHP̲Main̲Parts̲Replacement̲toc.i4 4
2012/07/31 17:54:04
