Daikin RXYSQ4P7Y1B User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Multi Type
4/5/6 HP Class
Si341305E

Service Manual
Removal Procedure
Outdoor Unit
Applicable Models
zHeat Pump
RXYSQ4P7Y1B
RXYSQ5P7Y1B
RXYSQ6P7Y1B

Si341305E
Removal Procedure 1
Table of Contents
1. Procedure to Remove Outside Panels....................................................2
2. Procedure to Remove Propeller Fan and Fan Motor ..............................5
3. Procedure to Remove Compressor.........................................................7

Procedure to Remove Outside Panels Si341305E
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 (∗1).
It is possible to remove only
the front panel without
removing the top panel.
∗1 Remove the outdoor air
thermistor.
Top panel
Front panel for
piping cover
Front panel
(2)
Hook
Side panel
Side panel for
piping cover
Outdoor air
thermistor

Si341305E Procedure to Remove Outside Panels
Removal Procedure 3
6
7
Remove the discharge
grill after removing its 4
screws and releasing its
4 hooks.
Remove the front panel
(1) after removing its 7
screws and pushing it
upward.
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).
Step Procedure Points
Front panel (1)
Discharge grill
Hook
Reinforce plate

Procedure to Remove Outside Panels Si341305E
4Removal Procedure
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.
Step Procedure Points
Outdoor air
thermistor
(R1T)

Si341305E Procedure to Remove Propeller Fan and Fan Motor
Removal Procedure 5
2. Procedure to Remove Propeller Fan and Fan
Motor
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
Remove the discharge
grill, front panel and front
panel for piping cover,
according to the
"Procedure to Remove
Outside Panels".
1 Remove the nuts with a
washer, which fixing the
propeller fan.
Front panel (1)
Discharge
grill
Propeller fan
Nut with a washer

Procedure to Remove Propeller Fan and Fan Motor Si341305E
6Removal Procedure
2 Remove the clamp
material.
Pull off the connector while
supporting its body and
pushing the engaging click,
without pulling its lead wires.
Caution on mounting the
motor
If the motor lead wires are
not fixed by using the clamp
material, it may always
damage the lead wire
because the lead wires
twined around the fan.
When mounting the propeller
fan, make the D cut
correspond to the hole of the
fan.
3 Remove the 4 fixing
screws for fan motor
and then remove the
fan motor.
Step Procedure Points
Earth wire
Clamp material
D cut
Lead wire for
fan motor
Fan
motor
Mount the fan motor with its mark "z"
positioned toward the bottom.
Lead wire Propeller fan

Si341305E Procedure to Remove Compressor
Removal Procedure 7
3. Procedure to Remove Compressor
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
Remove the outside
panels, electrical
component, and
compressor fixing panel,
according to the
"Procedure to Remove
Outside Panels"
1. Pull off the lead wire of
compressor.
1Open upward the sound
insulation for the
terminal cover.
2Remove the terminal
cover with a minus
driver, etc.
3Remove the terminals
for the compressor with
a round nose chain
pliers with side cutters,
etc.
Terminal cover
Sound insulation for the terminal cover
Red color: S
White color: Blank
Blue color: N
Lead wire to the compressor

Procedure to Remove Compressor Si341305E
8Removal Procedure
4Remove the sound
insulation for the
compressor.
5Remove the crankcase
heater under the
compressor.
Pull the spring to trip the catch.
6Remove the 3 fixing
bolts of the compressor.
You can see the far side
fixing bolts when the bottom
discharge grill is removed.
Remove the bolt (s) in view
first.
Step Procedure Points