Whirlpool WA8059Q Manual De Instrucciones página 44

Acondicionador de aire tipo split / inverter
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How to purge the air pipes
Unscrew and remove the cover of the service valve.
Connect the flexible hose of the vacuum pump to the service valve.
Start the vacuum pump for 10 or 15 minutes until it reaches a vacuum of -76cm Hg (1.3x10 ^-3 MPa).
With the vacuum pump running, close the low-pressure knob of the vacuum pump manifold and then stop the vacuum pump.
Open the valve for the liquid only ¼ turn and close it after 10 seconds. Check the tightness of all the joints using liquid soap or an
electronic leak detector.
Turn the stem of the liquid and gas valves. Disconnect the flexible hose from the vacuum pump.
Replace and tighten all valve covers.
Service
port
NOTE: Due to high system pressure and to protect the environment, do not discharge the refrigerant directly into
the environment.
How to extract the air from the pipes:
1.
Unscrew and remove the covers of the 2 and 3-way valves.
2.
Unscrew and remove the cap from the service valve.
3.
Connect the hose of the vacuum pump to the service valve.
4.
Start the vacuum pump for 10-15 minutes until it reaches an absolute vacuum of 10mm Hg
5.
With the vacuum pump still working close the low-pressure knob on the empty pump. Then turn off the pump.
6.
Open the 2-step valve in ¼ turn, then close it after 10 seconds. Check that all joints are tight and use liquid soap or an electronic
leak detector.
7.
Turn the steam valves 2 and 3. Disconnect the hose from the vacuum cleaner.
8.
Replace all valve covers.
NOTE: Due to high system pressure and to protect the environment, do not discharge the refrigerant directly into the
environment.
Vacuum pump
Condenser unit
Exterior
unit
3-way valve
(7) Turn to open the
valve completely
Valve cover
(2) Turn
(8) Tight
3-way valve
Connect to Condenser
unit
2-way valve
(6) Open ¼ turn
(7) Turn to open the valve completely
Turn
Tight
Connection to interior unit
Open position
Rod
Needle
Service port cover
Valve core
Valve cover
(1) Turn
(8) Tight
2

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