5. How To Charge R-600a Refrigerant
NO.
SVC process
Image
Details
1. Connect the discharging hose to
the pinch-plier
2. The outlet of discharging hose should
be placed to the outdoor(window)
1. Fix the pinch-plier to the compressor
charging pipe.
2. Pinch-plier should not be moving freely.
※
If that is moving freely, it would cause
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
7 minutes to discharge.
1. And then, connect the vacuum pump
to the outlet of discharging hose
1. Disassembe the each pipe (Del-pipe,
Suc-pipe, Capi-pipe, Dryer & Hot-pipe)
※
Vacum pump should be placed at
the outdoor where is able to clear air easily.
※
It should have enough time
more than 10 minutes to discharge.
※
Caution ; A part is easily damaged
by flame so that disassemly should
be done carefully.
4
Remov ing the
remaining ref.
5
Remov ing the
pinch-plier & pipe
3
Discharging
the R-600a ref.
1
2
Connecting
the
pinch-plier
&
discharging
hose
Fix ing
the pinch-plier
&
charging pipe
OUT DOOR
NO.
SVC process
Image
Details
1. Reassemble the valve ass'y with
coupling pipe to clockwise.
2. Connect the blue hose of the guage
to the coupling pipe and the yellow hose
to the vacuum pump.
3. Open the blue guage lever
and start the vacuum pump
1. Be vacuumed the cycle with pump.
※
Time : 60~80min
=> If the vacuum time is less than 60min,
ref. COP & air coolong would be weak.
1. Check the guage : -76
㎝
Hg
※
If the cycle is not vacuumed,
it would be leak.
1. Check the amounts of R-600a can
with scale and discharge the surplus ref.
※
Tip of adjusting.
- Can total weight :160g(Can 75g+Ref. 85g)
- Adapter : 145g
=> Total : 305g
- The amounts of charging : 79g
=> Discharging : 6g => Total : 299g
※
Discharging is surely done at the outdoor
where is able to clear air.
13
Adjusting
the amounts of
refrigerants
(R-600a can)
11
Vacuum
12
Check
Valv e reass' y
&
guage connecting
10
NO.
SVC process
Image
Details
1. Change the comp. & dryer.
※
You should check the comp. spec.
and assemble correctly.
1. Weld the each pipe.
※
O
Copper-Copper welding - 5% rod
△
Copper-Steel welding - 35% rod
1. Decap the couplig pipe cap and
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.
※
Use the wet cloth for preventing the
other part of machinery-room from damage.
8
Disassembly
of charging v alv e
(Coupling pipe)
9
Coupling pipe
welding
7
W elding
6
Ex changing comp
& dry er
Valve Ass'y
Valve Ass'y
26
