Removing Reversing Valve - Hitachi RAS-2-HVNP Service Manual

Utopia ivx premium / ivx standard h(v)n(p/c)(e) series
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10. Servicing
10.3.3.13 Removing reversing valve
1  Remove the service cover, the bottom service cover and the rear cover following
ving bottom service cover and rear
2  Remove the reversing valve coil according to
3  Recover the refrigerant from check joints according to
4  Remove the reversing valve assemblies from the fixed positions (5 brazing parts).
a.  Remove the reversing valve and the stop valve with cooling the valve bodies by wet cloth.
b.  Perform the brazing work with attention not to burn the electrical wirings and the piping insulations.
5  Remove reversing valve from the assemblies. (5 brazing parts) At this time, perform the brazing work with cooling the
reversing valve body by wet cloth.
6  When reassembling after replacing the reversing valves, perform in the reverse procedure of removing.
a.  Run the lead wires to be located to the original position, and fix them by the plastic band.
b.  Attach the crankcase heater according to
7  Reassemble the parts in the reverse order of removing procedures.
370
SMGB0079 rev.0 - 01/2013
cover.

Removing Reversing Valve

Removing
Removing
Compressor.
Brazing part
(to heat exchanger)
Brazing part
(to heat exchanger)
Brazing part
(to accumulator)
Reversing valve
Brazing part
(Gas stop valve)
Brazing part
(discharge pipe)
Removing service cover
Coil.
Compressor.
Pipe insulation
Brazing part
and
Remo-
Detail
4 Brazing
parts

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