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REFRIGERANT CHARGING
Purge air (at the time of new installation only).
Close the gas pipe side valve by turning it
clockwise.
Connect the pressure gauge to the low
pressure side service valve, and then open
the gas pipe side valve again.
Connect it to the refrigerant filling tank.
Start cooling operation.
Check the pressure of the pressure gauge.
Check whether the low pressure side is within
the range of 8.2~9.3kg/cm
(outside temperature 35°C).
Open the tank and refill the refrigerant
until arriving at the proper pressure.
(Refill the refrigerant slowly checking the pressure.)
Stop operation.
Close the gas pipe side valve, and loosen
the pressure gauge connected.
Then open the gas pipe side valve again.
Tighten the cap of each valve using
a specified tool.
CAUTION
Always use R410A refrigerant to avoid damage of
the unit or an explosion.
Must keep the quantity of refrigerant by using a
balance. Do not use a manometer or not depend
on your experiences.
141 Kinderkamack Rd, Park Ridge, NJ 07656 Tel: 201-782-1782 Fax: 201-782-1783 Web: www.amgair.com Email: info@amgair.com
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Air Marketing Group LLC
OUTDOOR UNIT
Gas
pipe side
Liquid
pipe side
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