Whirlpool AMC 996 Instructions For Use Manual page 24

32602005GB.fm Page 52 Thursday, December 14, 2006 11:24 AM
Vacuum-pumping and Leakage Inspection
1. Remove the nut cover at the shutoff valve.
2. Align with the center of the fitting pipe and manually tighten
the conical nut sufficiently.
3. Use a wrench to tighten the conical nut.
4. Remove the liquid valve cap, the gas valve cap and the nut of
refrigerant inlet.
5. Use an Allen wrench to twist off the liquid valve body and at
the same time use screwdriver to open the valve core of the
liquid valve. Now gas will flow out.
6. After the gas continues flowing for about 15 second and
refrigerant gas begins to flow out, close the valve core and
tighten the nut of refrigerant inlet.
7. Completely open the valve body of the liquid valve and the
gas valve.
8. Turn and tighten the valve cap, then use soapy water or a
leak detector to check for gas leakage at the outdoor and
indoor units and pipeline connections.
9. If conditions permit, use a vacuum pump to pump air in the
unit from the valve core.
Draining of Condensate Water of Outdoor Unit
When the air-conditioning unit is in the heating mode, the
condensate water generated at the outdoor unit and the water
generated by defrosting drains through the drainage pipe to the
outlet.
Installation methods: as shown in the figure, insert the drainage joint
of the outdoor unit into the Ø 25 hole on the base plate.
Connect the drainage pipe to the drainage outlet so as to drain
the condensed water and water generated by defrosting to
proper place.
52
Vacuum Gauge
Small Pipe
Big Pipe
Valve Cap
Vacuum Pump
Liquid Pipe
Liquid Valve
Refrigerant
Change Mouth Inner Hexagon
Wrench
Gas Pipe
Gas Valve
Chassis
Fig 13
Outdoor Drainage Tap