C
OMPLETING THE
I
NSTALLATION
Refrigerant refill
If connecting pipe of more than 10 metres is installed, additional
refrigerant should be charged by extra metre. You don’t have to
charge additional refrigerant up to 10 metres of connecting pipe.
1
Remove the valve stem cap and service port of 3-way valve.
2
Connect the charging hose of low pressure side of manifold gauge to the
packed valve having a charging port (3/8
”
or 1/2
”
Packed valve).
3
Operate the unit at the cooling mode.
4
Slowly open the valve of the low pressure side of manifode gauge counter-
clockwise until the low pressure of manifold gauge indicates 4.8 to 5.5kg/cm
2
(68 to 78 PSI) at the high cool operation (1-unit operation) and the standard
temperature of indoor 26.7°C (80°F) and outdoor 35°C (95°F).
It is recommend that refrigerant should be slowly put in. If the refrigerant is
put in too quickly, compressor will be damaged.
5
Stop operation of the air conditioner.
6
Disconnect the charge hose of manifold gauge.
7
Close the cap of each valve.
Formulas
A-unit : 10g x (L
a
- 10) / m (L
a
: the length of A-unit’s pipe)
B-unit : 10g x (L
b
- 10) / m (L
b
: the length of B-unit’s pipe)
E-
41
ENGLISH