Panasonic CS-Z20XKEW Service Manual page 69

13.6.2 Process of refrigerant recovery
1. Connect the center charging hose of manifold gauge to the in-let side of recovery device.
2. Connect the valves of the discharge side of recovery device and liquid side of refrigerant cylinder with red hose
(charging hose).
3. Connect the yellow float switch cable of the recovery device to the refrigerant cylinder.
4. Open the low pressure side valve of manifold gauge.
5. Insert electric plug of recovery device into electrical outlet (the fan operation starts).
6. Turn the valve 1 and 2 of recovery device to pressure equalization point.
7. After a few seconds, turn back the valve 1 and 2 to the original position.
8. Turn the switch of the recovery device to "ON". (the compressor operation starts)
9. When the low pressure of manifold gauge is close to "0", close the low pressure side valve, turn "OFF" the
recovery device switch.
10. Remove the center charging hose of manifold gauge from the recovery device.
(Indoor unit)
Lo
Vacuum
Pump
(Liquid side)
Two-way valve
(Gas side)
Three-way valve
Hi
69
(Outdoor unit)
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