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Air Evacuation
Note On Adding Refrigerant
CAUTION
•
Refrigerant charging must be performed after wiring, vacuuming, and the leak testing.
•
DO NOT
exceed the maximum allowable quantity of refrigerant or overcharge the system.
Doing so can damage the unit or impact it’s functioning.
•
Charging with unsuitable substances may cause explosions or accidents. Ensure that the
appropriate refrigerant is used.
•
Refrigerant containers must be opened slowly. Always use protective gear when charging the
system.
•
DO NOT
mix refrigerants types.
of the unit.
Extend pipe length will reduce the capacity and energy efficiency
amount of 5 meter piping on specification or nameplate).
to the actual pipe length with below formula.
o f 1 5 m e t e r o f i n d o o r / o u t d o o r p i p i n g c o n n e c t i o n .
Please calculate the refrigerant charge amount according
based on pipe length of 5 meter (please refer refrigerant charge
height drop. Usually for each 10m need a bend.
T h e o u t d o o r u n i t i s f a c t o r y c h a r g e d w i t h r e f r i g e r a n t
NOTE: The nominal capacity and energy efficiency are tested
NOTE: The number of bends is up to the length of the max
0.030kg/m×(L-15)
0.015kg/m×(L-15)
Table 7-4
R410A R22
Ø6.35
Ø9.53
Brass liquid tube(mm)
Summary of Contents for 42/38SHDV095
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