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Daikin ARK20E2V1B, Service Manual

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Daikin ARK20E2V1B Service Manual Download Page 9

Si00-772

Removal of Outer Panels / Fan Motor

Removal Procedure

7

4. Remove the right side 

panel.

1

Remove the 2 screws 
on the rear side.

2

Release the outdoor 
temperature thermistor.

3

Lift up the guard net 
and remove it.

„

Some models do not have a 
guard net.

Step

Procedure

Points

(R7207)

(R7208)

Outdoor temperature thermistor

Guard net

(R7209)

Summary of Contents for ARK20E2V1B

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 2 0 2 5 3 5 kW Class 9000 12000 Btu h Class Outdoor Unit Inverter Pair Type Si00 772 ...

Page 2: ...r Unit zCooling Only zHeat Pump ARK20E2V1B ARX20E2V1B ARK25E2V1B ARX25E2V1B ARK35E2V1B ARX35E2V1B RK20E2V1B RX09FVJU RK25E2V1B RX12FVJU RK35E2V1B RX20E2V1B RKS25E2V1B RX25E2V1B RKS35E2V1B RX35E2V1B RXS25E2V1B RXS35E2V1B RXS25EAVMA RXS35EAVMA ...

Page 3: ... Electrical Box 9 3 Removal of PCB 12 4 Removal of Reactor Partition Plate 14 5 Removal of Sound Blanket 16 6 Removal of Four Way Valve 18 7 Removal of Compressor 21 Note The illustrations may be slightly different depending on the model The illustrations are for heat pump models as representative ...

Page 4: ... Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the outdoor heat exchanger Some models do not have a guard net 2 Remove the panels The stop valve cover is united with the shield plate When reassembling make sure to fit the 5 hooks 1 Remove the screw of the stop valve cover Pull down the stop valve cover and remove it R3235 R11890 Stop valve cover R3237 Hooks...

Page 5: ...ews and lift the top panel 3 Remove the drip proof plate 4 Disconnect the connector for the fan motor S70 The fan motor is united with the front panel 5 Remove the 6 screws of the front panel Step Procedure Points R12413 Top panel R3240 Drip proof plate S70 R3241 R12414 Front panel ...

Page 6: ...he front panel has 4 hooks 3 Remove the fan motor Nut size M6 1 Unscrew the washer fitted nut of the outdoor fan 2 Remove the outdoor fan When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft Step Procedure Points Hooks R3243 Outdoor fan R12416 R19146 10 mm 0 39 inch D cut R3245 ...

Page 7: ...to unfasten the hooks 4 Remove the bell mouth 5 Open the hooks and release the fan motor lead wire When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan Step Procedure Points R12422 Hooks Bell mouth R3247 R3248 R3249 Lead wire Outdoor fan ...

Page 8: ... Fan Motor Si00 772 6 Removal Procedure 6 Remove the 4 screws and remove the fan motor M4 16 7 Remove the 2 screws and remove the fan motor fixing frame Step Procedure Points Fan motor R3250 R3251 Fan motor fixing frame R3252 ...

Page 9: ...Remove the right side panel 1 Remove the 2 screws on the rear side 2 Release the outdoor temperature thermistor 3 Lift up the guard net and remove it Some models do not have a guard net Step Procedure Points R7207 R7208 Outdoor temperature thermistor Guard net R7209 ...

Page 10: ...right side panel 5 Remove the screw near the stop valves 6 Unfasten the hook on the rear side When reassembling make sure to fit the hook 7 Lift up the right side panel and remove it When reassembling make sure to fit the hook Step Procedure Points R7210 Right side panel R7211 R7212 R7213 Hook ...

Page 11: ...ng work Step Procedure Points 1 Remove the electrical box Preparation Remove the panels and disconnect the connector for the fan motor according to Removal of Outer Panels Fan Motor 1 Disconnect the 2 connectors for the reactor 2 Cut the clamp 3 Disconnect the connector for the compressor S30 When reassembling coil the excessive lead wire and hang the loop on the hook R7214 R7215 R7216 S30 ...

Page 12: ... for electronic expansion valve coil S20 6 Disconnect the connector for four way valve coil S80 The cooling only models do not have the harness for S80 7 Release the discharge pipe thermistor Be careful not to lose the clip for the thermistor Step Procedure Points R7217 S40 R7218 S20 R7219 S80 R0267 Discharge pipe thermistor R12279 Clip ...

Page 13: ...1 8 Cut the clamp 9 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor 10 Lift and remove the electrical box Step Procedure Points R7221 R7222 Outdoor heat exchanger thermistor R3264 Clip R7223 Electrical Box ...

Page 14: ...er supplies before disassembling work Step Procedure Points 1 Feature of the main PCB You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box 2 Remove the screw on the terminal board 3 Release the 2 earth ground terminals R7255 R7256 Terminal board R19145 Earth ground terminal ...

Page 15: ... Unfasten the 3 hooks on the upper side Lift and pull out the control PCB S20 electronic expansion valve coil S30 compressor S40 overload protector S70 fan motor S80 four way valve coil S90 thermistors Step Procedure Points R7258 Screw R7259 R19144 S80 S20 S90 S30 S40 S70 ...

Page 16: ...l power supplies before disassembling work Step Procedure Points 1 Remove the reactor Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box 1 Remove the screw and remove the reactor 2 Remove the partition plate 1 Remove the 2 screws R3266 Reactor R3267 Partition plate R3268 ...

Page 17: ...Partition Plate Removal Procedure 15 2 The partition plate has a hook on the lower side Lift and pull the partition plate to remove When reassembling fit the lower hook into the bottom frame Step Procedure Points R3269 R3270 Hook ...

Page 18: ... after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the sound blanket top Since the piping ports are torn easily remove the sound blanket carefully 2 Untie the string and open the sound blanket outer 3 Lift and remove the sound blanket outer R11884 Sound blanket top R7229 Sound blanket R7230 ...

Page 19: ...Si00 772 Removal of Sound Blanket Removal Procedure 17 4 Pull the sound blanket inner out 5 Pull the sound blanket bottom out Step Procedure Points R11887 Sound blanket inner Sound blanket bottom R11888 ...

Page 20: ...urning off all power supplies before disassembling work Step Procedure Points 1 Pull out the electronic expansion valve coil The cooling only models do not have a four way valve coil 2 Remove the terminal cover 3 Disconnect the lead wires of the compressor R7233 Electronic expansion valve coil R7234 Terminal cover V W U R7235 Red U Yellow V Blue W ...

Page 21: ...n brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C 248 F For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut...

Page 22: ...ing pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Step Procedure Points R7250 ...

Page 23: ...ent protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Cautions for restoration 1 Restore the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C 248 F For the sake of this wrap the four way valve with wet ...

Page 24: ...s into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to burn the compressor terminals the name plate the heat exchanger fin 4 Lift the compressor up and remove it Step Procedure Points R12032 Suction side R7254 ...

Page 25: ...Revision History Month Year Version Revised contents 07 2013 Si00 772 First edition ...

Page 26: ...sories 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 accessories can result in water or refrigerant leakage electrical shock fire or explosion z Read the User s Manual carefully before using this product The User s Manual provides important safety instruc...

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