32
A I R P U R G I N G A N D T E S T
OPERATION
• Air and moisture in the refrigerant
system have undesirable effects.
Therefore, the indoor unit and
tubing between the indoor and
outdoor unit must be leak tested and
e v a c u a t e d t o r e m o v e a n y
noncondensables and moisture
from the system.
• Check that each tube(both liquid
and gas side tubes) between the
indoor and outdoor units have been
properly connected and all wiring for
the test run has been completed.
• Pipe length and refrigerant amount:
For the R407C refrigerant model, make
sure the refrigerant added into air
conditioner is liquid form in any cases.
When relocate the unit to another
place, using vacuum pump to perform
evacuation.
• Open the valve stem until it hits
against the stopper. Do not try to
open it further.
• Securely tighten the valve stem cap
with a spanner or the like.
• Valve stem cap tightening torque.
See Tightening torque table.
EN
Connective pipe length
Длина соединительной трубки
Довжина з'єднуючої трубки
Länge des Anschlussrohrs
Less than 5m
Меньше 5 м
Менше 5 м
Weniger als 5 m
More than 5 m
Больше 5 м
Понад 5 м
Mehr als 5 m
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Содержание KA 2 Series
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