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0
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'15 • HM-T-246
(2) Method to purge CO
2
refrigerant
refrigerant
refrigerant like dry ice.
may stay.
residual refrigerant merged into the refrigerant oil by using evacuation pump.
(3) Method of air tightness test
gas bomb.
only the EEVG1 becomes fully closed.
gas bomb to the service valves of both high pressure side and low pressure side with charging hoses
through a gauge manifold.
Firstly implement air tightness test for only the high pressure side.
gas by opening the gauge manifold little by little.
(4) Method of charging refrigerant
Completion of air tightness test
Start evacuati
on
Completion of evacuation
Ch
ec
k th
e
de
ge
e of vacuu
m
Charge refrigeran
t
Please keep on operating the
evacuation pump for 1 hour or more
after the pressure reaches lower than
101kPa (-755mmHg)
No pressure increase of
vacuum gauge, after
leaving it for 1hour or
more.
AMP Air Conditioning
www.ampair.co.uk | [email protected]
Содержание ESA30E-25
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