Refrigerant Collecting - Gree GRS-CQ8.0Pd/NaE-K Manual De Usuario

Bomba de calor aire-agua split versati
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Air-to-water Heat Pump Split Versati

16. Refrigerant Collecting

When relocating or disposing of the indoor/outdoor unit, pump down the system following the procedure below
so that no refrigerant is released into the atmosphere.
(1) Turn off the power supply (circuit breaker).
(2) Connect the low-pressure valve on the gauge manifold to the charge plug (lowpressure side) on the outdoor
unit.
(3) Close the liquid stop valve completely.
(4) Supply power (circuit breaker).
Start-up of the indoor-outdoor communication takes about 3 minutes after the power (circuit breaker) is turned
on. Start the pump-down operation 3 to 4 minutes after the power (circuit breaker) is turned on.
(5) Perform the refrigerant collecting operation (pump down mode).
Hold pressing UP key 5 seconds at the homepage to enter pump down mode.
(6) Fully close the ball valve on the gas pipe side of the outdoor unit when the pressure gauge on the gauge
manifold shows 0.05 to 0 MPa [Gauge] (approx. 0.5 to 0 kgf/cm²) and quickly stop the air conditioner. Then
press UP key or Down key or ON/OFF key can exit pump down mode.
(7) Turn off the power supply (circuit breaker), remove the gauge manifold, and then disconnect the refrigerant
pipes.
• When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes.
• If the refrigerant pipes are disconnected while the compressor is operating and the stop valve (ball valve) is open, the
pressure in the refrigeration cycle could become extremely high if air is drawn in, causing the pipes to burst, personal
injury, etc.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
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