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8. Charging Compressor Oil
Next follow the instructions in
2
Gas tube service port (For 5/16" (7.94mm)- dia. connector)
DPR
Upper valve
Manifold gauge
Lo | Hi | Procedure 2: Open |
|
|
Procedure 1: Open
Lower valve
Procedure 3: Open
Connect from here to refrigerant recovery unit
Fig. 18
To terminate the oil charging work, do as follows:
To end the charge process, first close the valve on the
After, charge the necessary amount of new refrigerant by referring to the “Installation Instructions” that came with the outdoor unit.
NOTE
To determine the completion of refrigerant recovery, follow the instructions that came with the refrigerant recovery unit.
8-2. If Outdoor Unit Has Not Been Charged with Refrigerant
When a compressor has been replaced or in any other case where the outdoor unit has not been charged with refrigerant, first charge with refrigerant then follow the instructions in
Or, alternatively, follow the procedure below.
(1)Connect a tube to the oil outlet port on the outdoor unit to be charged with oil. Insert the other end of the tube into the oil container.
(2)Follow the instructions in “7. Evacuating System,” and apply vacuum to the outdoor unit to be charged with oil. When this is done, oil is charged into the outdoor unit through the oil outlet port.
(3)When the unit has been charged with the designated amount of oil, stop the vacuum pump.
CAUTION
The oil absorbs moisture readily. This work must be completed quickly.
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