Related Manuals for Daikin RXR35HV2C
Summary of Contents for Daikin RXR35HV2C
- Page 1 Si00-973 REMOVAL PROCEDURE S E R V I C E M A N U A L 3.5 kW Class Outdoor Unit Inverter Pair Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Heat Pump RXR35HV2C...
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Page 3: Table Of Contents
Si00-973 Table of Contents 1. Removal of Humidifier Unit ..............2 2. Removal of Heater ASSY / Humidifying Rotor (Moisture Adsorption Element) / Humidifying Rotor Motor......5 3. Removal of Damper Motor ..............8 4. Removal of Limit Switch / Humidifying Thermistor........9 5. Removal of Fan-valve-duct ASSY / Fan-valve ASSY / Duct ASSY ..12 6. -
Page 4: Removal Of Humidifier Unit
Removal of Humidifier Unit Si00-973 1. Removal of Humidifier Unit Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. External appearance Humidifier unit Air outlet (R10550) Air inlet (R10551) 2. - Page 5 Si00-973 Removal of Humidifier Unit Step Procedure Points Remove the screw and the hose cover. Hose cover (R10553) Pull out the humidifying hose. Humidifying hose (R10554) The figure shows the Be sure to wait 10 minutes arrangement of the or more after turning off the relay harness.
- Page 6 Removal of Humidifier Unit Si00-973 Step Procedure Points Disconnect the 4 relay Do not pull the harnesses connectors. from the outdoor unit strongly so as not to loose the hook of the mounting plate. (See the illustration below on this page for the mounting plate.) Relay connectors (R9886)
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Page 7: Removal Of Heater Assy / Humidifying Rotor (Moisture Adsorption Element) / Humidifying Rotor Motor
Si00-973 Removal of Heater ASSY / Humidifying Rotor (Moisture Adsorption Element) / Humidifying Rotor Motor 2. Removal of Heater ASSY / Humidifying Rotor (Moisture Adsorption Element) / Humidifying Rotor Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. - Page 8 Removal of Heater ASSY / Humidifying Rotor (Moisture Adsorption Element) / Humidifying Rotor Motor Si00-973 Step Procedure Points Remove the duct. Duct (adsorption side) (R9892) Release the lead wire for humidifying rotor motor from the 2 hooks. (R9893) Remove the 2 screws Do not disassemble the to remove the heater heater ASSY into small...
- Page 9 Si00-973 Removal of Heater ASSY / Humidifying Rotor (Moisture Adsorption Element) / Humidifying Rotor Motor Step Procedure Points Remove the bell mouth Bell mouth on adsorption side. (R9899) Lift the humidifying A heat catalyst (black) is Humidifying rotor rotor up to remove. applied on the upper side.
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Page 10: Removal Of Damper Motor
Removal of Damper Motor Si00-973 3. Removal of Damper Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Removal of the damper Disconnect the connector motor for the humidifying rotor motor. -
Page 11: Removal Of Limit Switch / Humidifying Thermistor
Si00-973 Removal of Limit Switch / Humidifying Thermistor 4. Removal of Limit Switch / Humidifying Thermistor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Removal of the limit switch Harness ASSY Limit switch (R10820) - Page 12 Removal of Limit Switch / Humidifying Thermistor Si00-973 Step Procedure Points Disconnect the terminals. (R0237) Release the harness from the hooks and remove the harness ASSY. (R0238) (R0239) 2. Removal of the When replacing the humidifying thermistor humidifying thermistor, order a seal material Peel off the seal together.
- Page 13 Si00-973 Removal of Limit Switch / Humidifying Thermistor Step Procedure Points Pull out the humidifying thermistor. (R10548) When reassembling, put the harness through under the limit switch cover. Limit switch cover (R10547) Removal Procedure...
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Page 14: Removal Of Fan-Valve-Duct Assy / Fan-Valve Assy / Duct Assy
Removal of Fan-valve-duct ASSY / Fan-valve ASSY / Duct ASSY Si00-973 5. Removal of Fan-valve-duct ASSY / Fan-valve ASSY / Duct ASSY Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points... - Page 15 Si00-973 Removal of Fan-valve-duct ASSY / Fan-valve ASSY / Duct ASSY Step Procedure Points Lift up the fan-valve- duct ASSY to remove. Fan-valve-duct ASSY (R0244) Remove the 3 screws to separate the fan- Screws valve ASSY from the duct ASSY. Fan-valve ASSY Fan-valve-...
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Page 16: Removal Of Hygroscopic Fan Rotor / Hygroscopic Fan Motor
Removal of Hygroscopic Fan Rotor / Hygroscopic Fan Motor Si00-973 6. Removal of Hygroscopic Fan Rotor / Hygroscopic Fan Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. -
Page 17: Removal Of Panels And Plates
Si00-973 Removal of Panels and Plates 7. Removal of Panels and Plates Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points External appearance. Remove the humidifying unit. Do not release the mounting plate at this point. - Page 18 Removal of Panels and Plates Si00-973 Procedure Points Step Remove the 4 screws When reassembling, make and release the 4 hooks sure to fit the 4 hooks. to remove the discharge grille. Discharge grille (R10567) Remove the screw of the stop valve cover and remove it.
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Page 19: Removal Of Electrical Box
Si00-973 Removal of Electrical Box 8. Removal of Electrical Box Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Disconnect the When reassembling, fasten connecting wires the wires with screws on the terminal board. - Page 20 Removal of Electrical Box Si00-973 Procedure Points Step Release the mounting When reassembling, make plate from the hook. sure to hook the mounting plate. Mounting plate (R10573) Disconnect the connector for the fan [S70] motor [S70]. (R10574) Release the lead wire for the fan motor from the hooks.
- Page 21 Si00-973 Removal of Electrical Box Procedure Points Step Disconnect the [S40] : Overload protector [S40] connector for the overload protector [S40]. (R10576) Disconnect the [S20] : Electronic expansion [S20] [S80] connectors [S20] and valve coil [S80]. [S80] : Four way valve coil (R10577) Disconnect the connector for the relay...
- Page 22 Removal of Electrical Box Si00-973 Procedure Points Step Detach the discharge Meet the edge of the pipe thermistor. thermistor and the clip. Be careful not to lose the clip for the discharge pipe thermistor. Thermistor Discharge pipe Clip (R10580) Discharge pipe thermistor Cross section (R10346) Disconnect the...
- Page 23 Si00-973 Removal of Electrical Box Procedure Points Step Remove the 2 screws on the right side of the electrical box. (R10584) Remove the grounding screws of earth wires. Earth wire (R10585) Remove the screw in front of the electrical box. (R10586) Lift up the electrical box to remove.
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Page 24: Removal Of Pcb
Removal of PCB Si00-973 9. Removal of PCB Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Removal of the control Preparation Electrical box (cover) Remove the panels, plates, and electrical box according Remove the screw of to the removal procedure. - Page 25 Si00-973 Removal of PCB Procedure Points Step Release the outdoor temperature thermistor wire from the hook. Outdoor temperature thermistor (R10593) Remove the 2 screws and detach the 1 clip to remove the radiation shield plate. Radiation shield plate (R10632) Compressor harness Clip Hole...
- Page 26 Removal of PCB Si00-973 Procedure Points Step Cut off the clamps at 2 locations and disconnect the wire harnesses. (R10583) Remove the 7 screws in total. (R10594) (R10595) Lift up the back side When reassembling, make slightly and release the sure that the hooks of the hooks of the front.
- Page 27 Si00-973 Removal of PCB Procedure Points Step Release the lead wires from the hook and Terminal board remove the terminal board. (R10597) (R10598) Lift up the control PCB Control PCB to remove. (R10599) Removal Procedure...
- Page 28 Removal of PCB Si00-973 Procedure Points Step Control PCB. [S40] [S20] [S90] [S72] [S70] [S80] [S23] [S22] [S501] (R10600) [S20] : Electronic expansion valve coil [S22] : Damper motor [S23] : Rotor motor [S40] : Overload protector [S70] : DC Fan motor [S72] : Humidifying fan motor [S80] : Four way valve coil [S90] : Discharge pipe / Heat...
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Page 29: Removal Of Sound Blankets
Si00-973 Removal of Sound Blankets 10.Removal of Sound Blankets Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Removal of the right side Preparation panel Remove the electrical box beforehand. - Page 30 Removal of Sound Blankets Si00-973 Procedure Points Step 3. Removal of the sound blanket Release the fixing string, open the sound blanket (outside sleeve) and pull it out. (R10605) Sound blanket (outside sleeve) Lift up the sound Since the piping ports are blanket (top) to remove.
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Page 31: Removal Of Outdoor Fan / Fan Motor
Si00-973 Removal of Outdoor Fan / Fan Motor 11.Removal of Outdoor Fan / Fan Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Removal of the outdoor Wrench size : 10mm Unscrew the washer fitted nut (M6) to... - Page 32 Removal of Outdoor Fan / Fan Motor Si00-973 Procedure Points Step The figure shows the arrangement of the fan motor lead wire. (R10611) Remove the screw to When reassembling, make remove the fan motor sure the mark of the fan Fan motor fixing plate fixing plate.
- Page 33 Si00-973 Removal of Outdoor Fan / Fan Motor Procedure Points Step Turn the fan motor fixing plate backward and undo the 2 fixing hooks of the lead wire. (R10614) Release the fan motor When reassembling, put the lead wire. lead wire through the back of the motor (so as not to be entangled with the outdoor fan).
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Page 34: Removal Of Thermistors
Removal of Thermistors Si00-973 12.Removal of Thermistors Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Removal of the assembly of Be careful not to lose the clip thermistor for the discharge pipe thermistor. -
Page 35: Removal Of Compressor
Si00-973 Removal of Compressor 13.Removal of Compressor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the terminal Be careful so as not to burn Terminal cover cover. - Page 36 Removal of Compressor Si00-973 Procedure Points Step There are 3 nuts fixing the compressor. Warning Remove them with an Since it may happen that open-end spanner. refrigerant oil in the compressor catches fire, Compressor prepare wet cloth so as to extinguish fire immediately.
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Page 37: Removal Of Four Way Valve / Electronic Expansion Valve
Si00-973 Removal of Four Way Valve / Electronic Expansion Valve 14.Removal of Four Way Valve / Electronic Expansion Valve Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. - Page 38 Removal of Four Way Valve / Electronic Expansion Valve Si00-973 Procedure Points Step Before working, make Reassembling precautions sure that the refrigerant is 1. Use non-oxidizing brazing empty in the circuit. method. If nitrogen gas is not Be sure to apply nitrogen available, braze the parts replacement when speedily.
- Page 39 Revision History Month / Year Version Revised contents 02 / 2013 Si00-973 First edition...
- Page 40 Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. Use only those parts and accessories 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.