E-
13
ENGLISH
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.
Open the tank and refill the refrigerant
until arriving at the proper pressure.
(Refill the refrigerant slowly checking the pressure.)
Check the pressure of the pressure gauge.
Check whether the low pressure side is within
the range of 8.2~9.3kg/cm
2
G
(outside temperature 35°C).
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.
OUTDOOR UNIT
Gas
pipe side
Liquid
pipe side
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.
APV48QOAN_E_IM_00000 2008.10.20 11:5 PM Page 13
Air Marketing Group LLC
141 Kinderkamack Rd, Park Ridge, NJ 07656 Tel: 201-782-1782 Fax: 201-782-1783 Web: www.amgair.com Email: [email protected]
