Daikin RXMQ4PVE User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Multi Type
4/5/6 HP Class
Si341211

Service Manual
Removal Procedure
Outdoor Unit
Applicable Models
zCooling Only
RXMQ4PVE
RXMQ5PVE
RXMQ6PVE
RXMQ4PVEE
RXMQ5PVEE
RXMQ6PVEE
zHeat Pump
RXYMQ4PVE
RXYMQ5PVE
RXYMQ6PVE

Si341211
Removal Procedure 1
Table of Contents
1. Procedure to Remove Outside Panels....................................................2
2. Procedure to Remove PCB and Electrical Component Box ...................5
3. Procedure to Remove Propeller Fan and Fan Motor ............................12
4. Procedure to Remove Thermistor .........................................................14
5. Procedure to Remove Electronic Expansion Valve and
Peripheral Equipment............................................................................15
6. Procedure to Remove Four Way Valve.................................................19
7. Procedure to Remove Compressor.......................................................20

Procedure to Remove Outside Panels Si341211
2Removal Procedure
1. Procedure to Remove Outside Panels
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1
2
3
4
5
Remove 8 screws of
the top panel.
Remove 1 screw of the
front panel (2), and then
remove the panel after
pushing it downward to
release the hook.
To remove the front
panel for piping cover,
remove its 1 screw.
To remove the side
panel for piping cover,
remove 4 screws of the
side panel.
To remove the side
panel, remove its 6
screws after removing
the outdoor air
thermistor.
It is possible to remove only
the front panel without
removing the top panel.
Hook
Top panel
Front panel
(2)
Front panel for
piping cover
Side panel
Side panel for
piping cover
Outdoor air
thermistor

Si341211 Procedure to Remove Outside Panels
Removal Procedure 3
Step Procedure Points
6 Remove the discharge
grill after removing its 4
screws and releasing its
4 hooks.
On the rear side of the front
panel (1), a reinforce plate is
attached. Be careful not to
lose it while removing the
front panel (1).
7 Remove the front panel
(1) after removing its 7
screws and pushing it
upward.
Front panel (1)
Discharge grill
Hook
Reinforce plate

Procedure to Remove Outside Panels Si341211
4Removal Procedure
Step Procedure Points
8 Remove the heat
exchanger cover after
releasing its 3 hooks
with a minus driver.
9 Remove the outdoor air
thermistor after pulling it
to the near side and
sliding to the right.
10 The figure in the right is
of rear side view.
Outdoor air
thermistor
(R1T)

Si341211 Procedure to Remove PCB and Electrical Component Box
Removal Procedure 5
2. Procedure to Remove PCB and Electrical
Component Box
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1 Remove the 2 fixing
screws (M5) of terminal
block mounting plate.
Preliminary preparation
Remove the top, front and
side panels according to the
"Procedure to Remove
Outside Panels".
2 Remove the fixing
screw (M5) above the
electrical component.
3 Release the hook of the
resin stay from the
terminal block mounting
plate.

Procedure to Remove PCB and Electrical Component Box Si341211
6Removal Procedure
Step Procedure Points
4 Cut off the wiring clamp
materials (3 places).
5 Disconnect the
connector set for the
reactor lead wire from
each other.

Si341211 Procedure to Remove PCB and Electrical Component Box
Removal Procedure 7
Step Procedure Points
6 Pull off the connector
for the motor lead wires
and then release the
wire from the hook of
resin casing.
7 Remove the wire
harnesses of the
solenoid valve and the
four way valve from the
fixing plate and then
remove the electrical
component.

Procedure to Remove PCB and Electrical Component Box Si341211
8Removal Procedure
Step Procedure Points
8 Remove the 2 securing
screws (M4) of
insulation sheet and
then release the lead
wires to the compressor
(blue, red and white
colors) and the lead
wires A1P to A3P (red
and blue colors) from
the hook of resin
casing.
9 Remove the 2 securing
screws (M4 and with
spring washers) for the
lead wires A1P to A3P
(red and blue colors)
and the condenser lead
wires (orange and ash
colors).