Panasonic 2WAY MULTI U-16GE3E5 Main Parts Replacement page 4

Gas heat pump air conditioner
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1.
Required parts and tools used .......................................................................... 40
2.
Preparation for work ........................................................................................... 40
3.
Removal................................................................................................................ 40
4.
Remove the pipe bracket .................................................................................... 40
5.
Install the pipe bracket ....................................................................................... 40
6.
Installation ............................................................................................................41
7.
Preparation for operation ....................................................................................41
8.
Final check ............................................................................................................41
Coolant Three-way Valve and Hot Water Three-way Valve Replacement
1.
Required parts and tools used .......................................................................... 42
2.
Preparation for work ........................................................................................... 42
3.
Prepare to remove the three-way valve ............................................................. 42
4.
Remove the three-way valve (Figure 1) ............................................................. 42
5.
Install the three-way valve .................................................................................. 42
6.
Preparation for operation ................................................................................... 42
7.
Coolant Replenishment ...................................................................................... 42
8.
Final check ........................................................................................................... 43
Expansion Valve, Liquid Valve, Bypass Valve and Waste Heat Recovery
1.
Required parts and tools used .......................................................................... 44
2.
heat recovery valve. ................................................................................................. 44
3.
Preparation for work ........................................................................................... 44
4.
heat recovery valve. ..................................................................................................45
5.
recovery valve. .................................................................................................... 46
6.
Preparation for operation ................................................................................... 46
7.
Final check ............................................................................................................47
1.
Required parts and tools used .......................................................................... 48
2.
Remove pressure sensor .................................................................................... 48
3.
Install pressure sensor ....................................................................................... 49
4.
Preparation for operation ................................................................................... 52
5.
Final check ........................................................................................................... 52
1.
Required parts and tools used .......................................................................... 53
2.
Preparation for work ........................................................................................... 53
3.
Prepare to remove the coolant pump ................................................................ 53
4.
Remove the coolant pump ................................................................................. 53
5.
Coolant pump installation .................................................................................. 54
6.
Preparation for operation ................................................................................... 54
7.
Fill up with coolant .............................................................................................. 54
8.
Final check ........................................................................................................... 54

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