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Installation guide
Installation guide
8-2. Procedures (HR Module Installation Standard)
8-2. Procedures (HR Module Installation Standard)
1) Before starting
1) Before starting
(1) Check if all the service valves are closed (liquid, gas, high pressure gas, Oil Equalizing pipes).
(1) Check if all the service valves are closed (liquid, gas, high pressure gas, Oil Equalizing pipes).
(2) When using a nitrogen charging container, install
(2) When using a nitrogen charging container, install pressure control regulator.
pressure control regulator.
(3) R410a gauge manifold – minimum 4 units, manifold hoses – five
(3) R410a gauge manifold – minimum 4 units, manifold hoses – five units or more.
units or more.
2) The following pipes should pass a leakage test.
2) The following pipes should pass a leakage test.
(1) Liquid pipe
(1) Liquid pipe
(2) Gas pipe
(2) Gas pipe
(3) High-pressure gas pipe
(3) High-pressure gas pipe
(4) Oil Equalizing pipe
(4) Oil Equalizing pipe
3) Connect the prepared two manifold gauges and five hoses as shown below and
3) Connect the prepared two manifold gauges and five hoses as shown below and
connect to each service valve.
connect to each service valve.
(1) If due to the shortage of manifold gauge, you can’t test all the equal oil pipes at the same time,
(1) If due to the shortage of manifold gauge, you can’t test all the equal oil pipes at the same time,
then first test the three main pipes and perform final tests.
then first test the three main pipes and perform final tests.
4
4
)
) Pressure up
Pressure up the in
the inner area
ner area of
of the
the pipe to
pipe to 4.1MPa for
4.1MPa for a leakage
a leakage test and
test and maintain
maintain
the pressure for 24 hours.
the pressure for 24 hours.
5) If there is no leakage for 24 hours, then depressurize to 1Mpa and maintain the
5) If there is no leakage for 24 hours, then depressurize to 1Mpa and maintain the
pressure. The reason is to prevent corrosion in the pipes.
pressure. The reason is to prevent corrosion in the pipes.
Содержание MXJ-YA1509 Series
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