Procedure For Removal Of Pressure Switch, Pressure Sensor, Etc - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

RZQ200 · 250C7Y1B
1.6 Procedure for Removal of Pressure Switch, Pressure
Sensor, etc.
Procedure
Step
1. Remove the pressure
switch
Disconnect the
1
connector (X2A) for the
high-pressure switch.
2 Remove the brazing
from the one place to
remove the high-
pressure switch.
2. Remove the pressure
sensor
1 Disconnect the connector
(X32A) for the high-
pressure sensor.
2 With two spanners,
remove the high-
pressure sensor.
3 Disconnect the connector
(X31A) for the low-
pressure sensor.
3. Remove the four way
valve
1 Disconnect the connector
(X9A) for the four way
valve coil.
2 Unscrew the screw to
remove the four way
valve coil.
3 Remove brazing from the
four places and then
remove the four way
valve body.
200
Warning Be sure to commence the disassembling work after 10 minutes or
more elapsed from all power supplies have been turned off.
Procedure
High-pressure
sensor (S1NPH)
Low-pressure
sensor (S1NPL)
Brazing
(3 places)
Four way valve
body
Four way valve
coil (Y3S)
Fixing screw
Preparations
• Remove the front panel
according to the procedure for
the removal related to the
outside panel.
• Remove the electrical
component box according to
the procedure for removing the
electrical component
assembly.
The pressure sensor can be
removed without draining the
refrigerant. (A check valve is
provided.)
High-pressure
switch (S1PH)
Use two spanners to remove
the low-pressure sensor.
Before conducting brazing
work, make sure that the
Brazing
refrigerant is completely
removed.
Use an iron plate or other
materials to protect other
wiring from the direct impact
of the flame of the gas
welding machine.
For mounting the four wary
valve body, conduct brazing
work while cooling the valve
with wet cloths or else in
order to prevent the four
wary valve from exceeding a
temperature of 120ºC.
SiBE26-701
Points
Removal Procedure