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General Control of Refrigerating Cycle
NO.
ITEMS
WELDING
(1) H 30
ROD
(1)
• Chemical Ingredients
(1) •
(1)
• Brazing Temperature: 710~840°C
(2) Bcup-2
1
(1)
• Chemical Ingredients
(1) •
(1) •
(1) •
(1)
• Brazing Temperature: 735~840°C
FLUX
(1)
• Ingredients and how to make
(1)
••Borax 30%
(1)
••Borax 35%
2
(1) •
(1) •
(1) •
(1) •
DRIER
(1) Assemble the drier within 30min.
ASM
(1)
after unpacking.
3
(2) Keep the unpacked drier at the temperature
VACUUM
(1) When measuring with pirant Vacuum
(1
)gauge of charging M/C, vacuum
(1
)degree is within 1 Torr.
(2) If the vacuum degree of the cycle inside is
(2)
10 Torr. below for low pressure and 20 Torr.
(2)
for high pressure, it says no vacuum
4
(2)
leakage state.
(3) Vacuum degree of vacuum pump must be
(3)
0.05 Torr. below after 5 min.
(4) Vacuum degree must be same to the
DRY AND
(1) The pressure of dry air must be more
AIR
NITROGEN
(2) Temperature must be more than
5
GAS
(3) Keep the pressure to 12~6Kg/cm
(3)
NIPPLE
(1) Check if gas leaks with soapy water.
6
AND
(2) Replace Quick Coupler in case of leakage.
COUPLER
PIPE
(1)• Put all Joint Pipe in a clean box and
7
(1)•
(1)•
CONTENTS AND SPECIFICATIONS
Ag: 30%, Cu: 27%, Zn: 23%, Cd: 20%
Cu: About 93%
P: 6.8~7.5%
The rest: within 0.2%
Fluoridation kalium: 35%
Water: 4%
Mix the above ingredients and boil until
they are transformed into liquid.
of 80~100°C.
value described item (2) above for more than
20 min.
than 12~16Kg/cm
2
-20~-70°C.
when substituting dry air for Nitrogen Gas.
cover tightly with the lid so that dust or
humidity is not inserted.
• Recommend H34 containing 34% Ag in the
•
Service Center.
• Make amount for only a day.
•
Holding period: 1 day
• Close the cover of container to prevent dust
•
putting in the FLUX.
• Keep it in a stainless steel container.
• Don't keep the drier in a outdoor because
•
humidity damages to it.
• Apply M/C Vacuum Gauge without fail.
• Perform vacuum operation until a proper
•
vacuum degree is built up.
• If a proper vacuum degree isn't built
•
check the leakage from
•
the Cycle Pipe line part and
•
Quick Coupler Connecting part.
also
2
• Check if gas leaks from connecting part of
•
Coupler.
- 19 -
REMARKS
( 1 )
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Troubleshooting
