Daikin R71KV1 Manual de usuario
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Non-Inverter
Multi Type
3 HP Class
Si211311E
Service Manual
Removal Procedure
Outdoor Unit
Applicable Models
zCooling Only
R71KV1
R71KY1
R71KVAL
zHeat Pump
RY71KV1
RY71KY1
Si211311E
Removal Procedure 1
Table of Contents
1. Procedure to Remove External Casing...................................................2
2. Procedure to Remove Outdoor Unit Fan and Fan Motor ........................3
3. Procedure to Remove Outdoor Unit PCB ...............................................5
4. Procedure to Remove Electrical Parts Box .............................................6
5. Procedure to Remove Electronic Expansion Valve and
Solenoid Valve ........................................................................................8
6. Procedure to Remove Four Way Valve and Coil ....................................9
7. Procedure to Remove Compressor.......................................................10
Procedure to Remove External Casing Si211311E
2Removal Procedure
1. Procedure to Remove External Casing
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1Remove the 8 top plate
screws.
2Remove the screw of
the front piping cover.
3Remove the screw of
the front casing and
remove by pushing
downward.
4Remove the 4 screws
of the side piping cover.
5Remove the 5 screws
of the rear/side casing.
Side piping
cover
Front piping
cover
Si211311E Procedure to Remove Outdoor Unit Fan and Fan Motor
Removal Procedure 3
2. Procedure to Remove Outdoor Unit 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 front piping
cover, etc., according to the
procedure for removing the
external casing.
1Remove the 4 screws
and disconnect the 8
tabs fastening the air
discharge grille on the
top/bottom and left/
right, and remove the
air discharge grille.
2Remove the fan clamp
fastening the propeller
fan; remove the nut and
washer.
Note:
The fan motor’s lead wire
cannot be disconnected as is.
You must first remove the screw
on the right side of the front
casing (1).
3Disconnect the motor
connector from the
PCB’s wiring connector,
and remove the
condenser.
Connector Condenser
Procedure to Remove Outdoor Unit Fan and Fan Motor Si211311E
4Removal Procedure
4Locate the 2 clamps
holding the fan motor
lead wire in place.
∗4 clamps in RY100 to
140K.
Caution during motor installation
Be sure to secure the motor
lead wire with the clamp. Loose
lead wire can be caught by fan
and damaged.
5Remove the 4 hexagon
bolts fastening the fan
motor, and remove the
fan motor.
6The motor base can be
dismounted by
removing the 4
hexagon bolts.
Step Procedure Points
Secured by tie-band
Clamped by claw
on divider plate
Lead wire Propeller fan
Si211311E Procedure to Remove Outdoor Unit PCB
Removal Procedure 5
3. Procedure to Remove Outdoor Unit PCB
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 top plate, front
casing and side casing
according the procedure for
removing the external
casing, etc.
1Disconnect the
connectors from the
PCB.
2Unlatch the 4 tabs
fastening the PCB on
the left side, and
disconnect from the
hook on the right side.
3Remove the PCB.
PCB
Procedure to Remove Electrical Parts Box Si211311E
6Removal Procedure
4. Procedure to Remove Electrical Parts Box
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 top plate, front
casing and side casing
according the procedure for
removing the external
casing, etc.
<In case of cooling only model>
<In the case of heat pump units>
If the lead wire is clamped by
the piping, etc., remove the
clamp.
1Remove the discharge
pipe, heat exchanger
and air thermistor. (If
not removing,
disconnect the
connector from the
PCB.)
1) Remove the
discharge pipe
thermistor.
2) Remove the heat
exchanger thermistor.
Thermistor installation spring
Thermistor
Thermistor installation spring
Pull up the
thermistor to
remove.
Stopper
Si211311E Procedure to Remove Electrical Parts Box
Removal Procedure 7
3) Remove the outdoor
air thermistor.
2Disconnect the motor
operated valve coil, and
crank case heater
connectors from the
PCB.
Note :
If not dismounting the rear/side
casing, remove the 2 screws of
the El. compo. box.
3Remove the El. compo.
box installation screw.
4Remove the El. compo.
box by pulling it toward
yourself and lifting. Caution
Be careful of the lead wire
protruding from the rear surface
of the El. compo. box.
Step Procedure Points
Procedure to Remove Electronic Expansion Valve and Solenoid Valve Si211311E
8Removal Procedure
5. Procedure to Remove Electronic Expansion Valve
and Solenoid Valve
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
∗Make sure the refrigerant is
completely empty.
1Remove the electronic
expansion valve cover.
2The motor operated
valve is removed by
pulling while turning the
electronic expansion
valve coil’s lever.
3Use a metal plate or
protective sheet for
welding to prevent other
pipes from being
affected by the gas
welding flame.
Note:
When installing, apply the flame
while cooling with a leak cloth so
that the temperature of the main
body does not rise above
120ºC.
4Heart the brazed part
and remove.
Motor operated
valve cover
Motor operated
valve coil
Motor operated
valve
Protective sheet
for welding
Este manual sirve para los siguientes modelos
4
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