Daewoo RN-531N Service Manual page 26

Discharging
3
the R-600a ref.
SVC process
NO.
Connecting
the
pinch-plier
Remov ing the
1
4
&
remaining ref.
discharging
hose
Fix ing
the pinch-plier
Remov ing the
2
5
&
pinch-plier & pipe
charging pipe
SVC process
NO.
Discharging
Ex changing comp
3
6
the R-600a ref.
& dry er
Remov ing the
4
remaining ref.
W elding
7
Remov ing the
5
pinch-plier & pipe
Disassembly
of charging v alv e
8
(Coupling pipe)
Coupling pipe
9
welding
fire/explosion as leakage gas in the room.
1. Discharge the R-600a ref. to outdoor.
[Befor connecting the vacuum pump]
※ It should have enough time more than
Image
7 minutes to discharge.
1. Connect the discharging hose to
1. And then, connect the vacuum pump
the pinch-plier
to the outlet of discharging hose
OUT DOOR
※Vacum pump should be placed at
2. The outlet of discharging hose should
the outdoor where is able to clear air easily.
be placed to the outdoor(window)
※ It should have enough time
more than 10 minutes to discharge.
1. Fix the pinch-plier to the compressor
1. Disassembe the each pipe (Del-pipe,
charging pipe.
Suc-pipe, Capi-pipe, Dryer & Hot-pipe)
2. Pinch-plier should not be moving freely.
※ Caution ; A part is easily damaged
※ If that is moving freely, it would cause
by flame so that disassemly should
be done carefully.
fire/explosion as leakage gas in the room.
Image
1. Discharge the R-600a ref. to outdoor.
1. Change the comp. & dryer.
[Befor connecting the vacuum pump]
※ You should check the comp. spec.
※ It should have enough time more than
and assemble correctly.
7 minutes to discharge.
1. And then, connect the vacuum pump
1. Weld the each pipe.
to the outlet of discharging hose
※Vacum pump should be placed at
the outdoor where is able to clear air easily.
※ It should have enough time
※
O
more than 10 minutes to discharge.
△
1. Disassembe the each pipe (Del-pipe,
Suc-pipe, Capi-pipe, Dryer & Hot-pipe)
※ Caution ; A part is easily damaged
by flame so that disassemly should
be done carefully.
Valve Ass'y
1. Decap the couplig pipe cap and
Valve Ass'y
disassemble the vlave ass'y.
※ If you don't disassemble, the coupling
rubber would be melted.
1. Weld after inserting the coupling pipe
to the compressor.
26
※ Use the wet cloth for preventing the
other part of machinery-room from damage.
5. How To Charge R-600a Refrigerant
Details
Details
Copper-Copper welding - 5% rod
Copper-Steel welding - 35% rod