28
Piezometer
Inner hexagon
spanner
Close
Open
Gas valve
Refrigerant charging vent
Nut of refrigerant
charging vent
1. With a leak detector: Check if there is leak with a leak detector.
2. With soap water: If a leak detector is not available, please use soap
water to check for leak. Apply soap water at the suspected site of
the leak and leave it there for at least 3 min. If there are air bubbles
coming out there’s a leak.
Checks after installation
• Check the following after installation.
Items to be checked Possible malfunction
Has the unit been securely
mounted?
The unit may drop, shake or emit
noise.
Have you performed the
refrigerant leak test?
May cause insuicient cooling
(heating) capacity.
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