Daikin FVKS25BAVMB Service Manual Download

Page: 11 / 18

Si06-763

Removal of the PCB

Removal Procedure

4. Removal of the PCB

Procedure

Warning Be sure to wait 10 minutes or more after turning off all power supplies

before disassembling work.

Step

Procedure

Points

Loosen the fixing screw
to remove PCBs from
the electrical box.

Display PCB

The figure shows the
control PCB (indoor
unit).

Power supply PCB

Service
PCB

Control PCB

(R2625)

S23

S25

S302

S301

S201

S31

S32

S203

S21

(R2627)

Operation lamp Timer lamp

Main unit
ON/OFF
switch

Home Leave
Operation lamp

Signal receiving section

LED11 LED12 LED14

Green Yellow

Red

SW1

(R2626)

Summary of Contents for FVKS25BAVMB

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Indoor Unit Inverter Floor Standing Type 2 5 3 5 kW Class Si06 763...

Page 2: ...Service Manual Removal Procedure Indoor Unit zCooling Only zHeat Pump FVKS25BAVMB FVXS25BAVMB FVKS35BAVMB FVXS35BAVMB...

Page 3: ...Air Filter Front Panel 2 2 Removal of the Horizontal Blade 5 3 Removal of the Electrical Box 6 4 Removal of the PCB 9 5 Removal of the Heat Exchanger 11 6 Removal of the Fan Rotor Fan Motor 13 Note Th...

Page 4: ...oints 1 Appearance Enlarged illustration shows operation panel section Operation panel 2 Remove the front panel from the unit Push on the left and right upper parts of the panel marked with PUSH to op...

Page 5: ...ilter Front Panel Removal Procedure 3 3 Press down the 2 hooks located at left and right side upper parts of the air filter then bend slightly the air filter to remove it 4 Unhook the chain Step Proce...

Page 6: ...Si06 763 4 Removal Procedure 5 Undo the 3 hooks on the bottom of the front panel Mounting screw M4 16 6 Loosen the 4 screws to take out the front grille Step Procedure Points Hooks three locations R2...

Page 7: ...pplies before disassembling work Step Procedure Points 1 Open the horizontal blade 2 Undo the supporting bracket at the center position 3 Bend the horizontal blade slightly to undo the shafts at left...

Page 8: ...es or more after turning off all power supplies before disassembling work Step Procedure Points 1 Set the horizontal blade in horizontal position to take out the front grille toward yourself 2 Loosen...

Page 9: ...exchanger thermistor Be sure not to drop the thermistor retaining spring 6 Loosen the 2 screws to remove the drip proof plate Mounting screw M4 8 Step Procedure Points Room temperature thermistor R26...

Page 10: ...ectrical box loosen the 2 fixing screws and pull out the box forward Mounting screw M4 16 8 The figure shows parts in the electrical box Step Procedure Points R2623 Indication lamps Green Yellow Red S...

Page 11: ...p Procedure Points 1 Loosen the fixing screw to remove PCBs from the electrical box Display PCB 2 The figure shows the control PCB indoor unit Power supply PCB Service PCB Control PCB R2625 S6 S23 S25...

Page 12: ...shows the service PCB Select to discharge air only from top discharge port Select to discharge air with automatic pattern decided in accordance with operation mode and operation conditions It is reco...

Page 13: ...t gas leaks during service work ventilate work area Toxic gas may be generated when refrigerant gas contacts with flame 3 Disconnect the flared joint of liquid pipe using 2 wrenches 14 17 double ended...

Page 14: ...o remove the plate Mounting screw M4 16 6 Loosen the 2 screws located at left side of the heat exchanger Mounting screw M4 16 7 Pull left side of the heat exchanger 1 toward yourself slide to right to...

Page 15: ...rocedure Points 1 For removal of the drain pan disconnect the drain hose then loosen the 2 screws located at left and right sides Be careful not to wet the floor with drain water Disengage harness for...

Page 16: ...wire for the bottom fan motor Mounting screw M4 16 5 Remove the motors and cross flow fans Loosen the fixing screw to separate the fan and motor 6 To remove the casing loosen the 4 screws at front sid...

Page 17: ...Revision History Month Year Version Revised contents 07 2013 Si06 763 First edition...

Page 18: ...ories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and acc...

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