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U-MATCH AIR CONDITIONERS MAINTENANCE
118
8. Vacuum pumping with
fluorin injection mouth
●
Pump vacuum through
fluorin injection mouth.
9. Refill of cooling medium
through fluorin injection
mouth
●
Refill cooling medium into
system through fluorin
injection mouth
●
Volume of refilling should
be in accordance with the
requirement on the unit
nameplate.
Disassembly and Assembly of 4-way valve
Remark: Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of
the 4-way valve.
Step Illustration
Handling
Instruction
1. Disassembly of solenoid
valve
●
Cut off power supply and
reclaim cooling medium
properly.
●
Disassemble solenoid
valve with wrench.
2. Removal of
electromagnetic valve
●
Take and remove solenoid
valve from 4-way valve.
Vacuum
pumping
through
process pipe
Vacuum
pumping
through
process pipe
Disassemble
solenoid
valve
Summary of Contents for ASCU-12A
Page 1: ...SERVICE MANUAL INDOOR UNITS ASCU A ASDU A ASFU A UNI ON OFF SERIE OUTDOOR UNITS ASGE A ...
Page 2: ......
Page 3: ...1 PRODUCT ...
Page 24: ...U MATCH AIR CONDITIONERS PRODUCT 23 5 PIPING DIAGRAM ...
Page 25: ...24 CONTROL ...
Page 26: ...U MATCH AIR CONDITIONERS CONTROL 25 CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation ...
Page 27: ...U MATCH AIR CONDITIONERS CONTROL 26 1 2 Heating Operation ...
Page 45: ...U MATCH AIR CONDITIONERS CONTROL 44 5 2 4 Dimensions ...
Page 48: ...GREE COMMERCIAL AIR CONDITION U MATCH AIR CONDITIONERS 47 INSTALLATION ...
Page 59: ......
Page 91: ...Model ASFU 60A ...
Page 93: ...GREE COMMERCIAL AIR CONDITION U MATCH AIR CONDITIONERS 91 MAINTENANCE ...
Page 160: ...PARTS GUIDE CASSETTE FLOOR CEILING DUCT UNITS OUTDOOR UNITS UNI ON OFF ...
Page 161: ......
Page 165: ...MAINTENANCE 162 2 Model ASGE 24A ASGE 24A WK Exploded Views ...
Page 167: ...MAINTENANCE 165 3 Model ASGE 36A Exploded Views ...
Page 169: ...ASGE 36A WK ...
Page 172: ...MAINTENANCE 168 4 Model ASGE 42A ASGE 42A WK Exploded Views ...
Page 174: ...MAINTENANCE 171 5 Model ASGE 48A ASGE 48A WK Exploded Views ...
Page 176: ...Model ASGE 60A WK ...
Page 187: ...U MATCH AIR CONDITIONERS MAINTENANCE 174 6 Model ASDU 60A Exploded Views ...
Page 191: ...MAINTENANCE 186 2 Model ASCU 24A ASCU 36A ASCU 42A ASCU 48A Exploded Views ...
Page 194: ...MAINTENANCE 189 5 2 3 Ceiling Type 1 Model ASFU 09A ASFU 12A ASFU 18A Exploded Views ...
Page 197: ...MAINTENANCE 192 2 Model ASFU 24A Exploded Views ...
Page 200: ...MAINTENANCE 195 3 Model ASFU 36A ASFU 42A ASFU 48A Exploded Views ...