OPERATING PROCEDURE
PHOTOS
7. Removing the 4-way valve coil (21S4), and linear expansion
valve coil (LEV-A, LEV-B, LEV-C)
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[Removing the 4-way valve coil]
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8. Removing the 4-way valve
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Note : When installing the 4-way valve, cover it with a wet
cloth to prevent it from heating (120°C [250°F] or
more), then braze the pipes so that the inside of
pipes are not oxidized.
9. Removing linear expansion valve
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Note : When installing the linear expansion valve, cover it
with a wet cloth to prevent it from heating (120°C
[250°F] or more), then braze the pipes so that the
inside of pipes are not oxidized.
10. Removing the high pressure switch (63H), the
low pressure switch (63L) and the pressure
sensor (63HS)
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Note : When installing the high pressure switch,
cover it with a wet cloth to prevent it from
heating (100°C [250°F] or more), then
braze the pipes so that the inside of pipes
are not oxidized.
Photo 10
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