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LEAK TESTING (Cont)
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TM-9-4120-428-14 Air Conditioner Horizontal Compact 9000 BTU/HR 208 Volt Three Phase 400 Hertz Model No. F9000H-4SPFI Manual
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EVACUATION - TM-9-4120-428-140228
TM 9-4120-428-14
DIRECT SUPPORT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
EVACUATING THE REFRIGERATION SYSTEM
INITIAL SETUP:
Tools
Materials/Parts
Refrigeration Unit Service Tool Kit, WP 0000 00, Item
Nitrogen, WP 0000 00, Item 8
1
Refrigerant R-22, WP 0000 00, Item 4
Vacuum Pump, WP 0000 00, Item 3
Equipment Condition
Install service manifold (WP 0064 00)
VAC
VACUUM VALVE
VACUUM PUMP
HIGH
PRESSURE
GAUGE VALVE
REF
CHARGE
VALVE
RED 1/4 IN.
PRESSURE GAUGE
HOSE (HIGH)
LOW
HIGH
COMPOUND
PRESSURE
GAUGE VALVE
CHARGING
LOW
VALVE
PRESSURE
YELLOW 3/8 IN.
VACUUM HOSE (VAC)
CHARGING VALVE
YELLOW 1/4 IN.
CHARGE HOSE (REF)
BLUE 1/4 IN.
COMPOUND GAUGE
HOSE (LOW)
EVACUATION
1. Check that the new dehydrator was installed. If not, install one. (WP 0075 00).
2. Check that the service manifold charge valve is closed.
3. Check that the unit HIGH and LOW pressure charging valves are open.
4. Connect the 3/8-inch hose to the vacuum pump.
5. Start the vacuum pump.
6. Open the service manifold high pressure gauge, compound gauge, and vacuum valves.
7. Run the vacuum pump until at least 29 inches of mercury is measured on the compound gauge.
0070 00-1

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