Related Manuals for Daikin RMKS112EV1A
Summary of Contents for Daikin RMKS112EV1A
- Page 1 Si181095 REMOVAL PROCEDURE S E R V I C E M A N U A L 11.2/14.0/16.0 kW Class Outdoor Unit Inverter Multi Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only RMKS112EV1A RMKS140EV1A RMKS160EV1A Heat Pump RMXS112E8V1B RMXS140E8V1B RMXS160E8V1B RMXS112EVLT RMXS140EVLT RMXS160EVLT RMXS112EV1A RMXS140EV1A RMXS160EV1A BP Unit BPMKS967A2 BPMKS967A3 BPMKS967B2B BPMKS967B3B...
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Page 3: Table Of Contents
Si181095 Table of Contents 1. Outdoor Unit....................2 1.1 Removal of Outer Panels .................2 1.2 Removal of PCBs / Electrical Components ..........5 1.3 Removal of Outdoor Fans / Fan Motors ..........12 1.4 Removal of Thermistors .................14 1.5 Removal of Electronic Expansion Valves / Peripheral Equipments ..15 1.6 Removal of Four Way Valve..............19 1.7 Removal of Compressor.................20 2. -
Page 4: Outdoor Unit
Outdoor Unit Si181095 1. Outdoor Unit Removal of Outer Panels 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 8 screws It is possible to remove only and remove the top the front panel (2) without Top panel... - Page 5 Si181095 Outdoor Unit Step Procedure Points The outdoor unit has 2 discharge grilles. Front panel (1) Remove the 4 screws and unfasten the 4 hooks to remove a discharge grille. Remove the 7 screws of the front panel (1). Push the front panel (1) upward and remove it.
- Page 6 Outdoor Unit Si181095 Step Procedure Points Unfasten the 3 hooks with a flat screwdriver and remove the suction grille. Suction grille (R12964) Outdoor Pull the outdoor temperature temperature thermistor thermistor and slide it to the right. Detach the outdoor temperature thermistor. (R12965) (R9218) Removal Procedure...
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Page 7: Removal Of Pcbs / Electrical Components
Si181095 Outdoor Unit Removal of PCBs / Electrical Components 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 2 screws Preparation Terminal mounting plate of the terminal Remove the outer panels mounting plate. - Page 8 Outdoor Unit Si181095 Step Procedure Points Cut off the 3 clamps. (R9222) (R9223) (R9224) Disconnect the relay connector for the reactor lead wire from each other. (R9225) Removal Procedure...
- Page 9 Si181095 Outdoor Unit Step Procedure Points Disconnect the 2 connectors for the fan [X106A] [X107A] motor [X106A] [X107A]. (R12967) Release the fan motor lead wires from the hooks. (R9227) Release the lead wires of the solenoid valves and four way valve from the fixing plate and then remove the electrical component assembly.
- Page 10 Outdoor Unit Si181095 Step Procedure Points Remove the 2 screws of the insulation sheet and then release the compressor lead wires (blue, red, white) and the lead wires between A1P and A3P (red, blue) from the hooks. (R9229) (R9230) 10 Remove the 2 screws M4 ×...
- Page 11 Si181095 Outdoor Unit Step Procedure Points 11 Cut the 2 clamps, for the compressor lead wires. Cut the clamp for the lead wires from A3P to A1P (red, blue) and for Clamp for the lead wires from A3P the earth (green). to A1P and for the earth Clamps (2 places) for the compressor lead wires...
- Page 12 Outdoor Unit Si181095 Step Procedure Points 13 Disconnect the connectors [X66A] [X81A] [X5A]. [X66A] [X81A] [X5A] (R12970) 14 Disconnect the reactor lead wire connectors, compressor lead wire connector, and all the other connectors from the main PCB. [X22A] X66A [X21A] [X13A] [X11A] [X12A] [X18A] [X17A] Compressor lead wire connector...
- Page 13 Si181095 Outdoor Unit Step Procedure Points 15 Remove the screw at M4(2) × 12 the top of the electrical component assembly. (R9238) 16 Unfasten the 2 hooks at the rear side. Fixing plate for the Hook Electrical component mounting plate (R12972) 17 The figures in the right are PCB assembly.
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Page 14: Removal Of Outdoor Fans / Fan Motors
Outdoor Unit Si181095 Removal of Outdoor Fans / Fan Motors Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Preparation Remove the discharge grille, Front panel (1) front panels (1) and (2), and piping cover (front), according to the "Removal of... - Page 15 Si181095 Outdoor Unit Step Procedure Points Lead wire for fan motor (R9243) Cut the clamp. Pull out the connector while supporting the fan motor and Earth wire pushing the engaging hook, Remove the 4 screws without pulling its lead wires. and remove the fan When reassembling, put the motor.
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Page 16: Removal Of Thermistors
Outdoor Unit Si181095 Removal of Thermistors Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points For the details of the Preparation removal of the outdoor Remove the front panel (2) temperature thermistor and the right side panel (R1T), see the points... -
Page 17: Removal Of Electronic Expansion Valves / Peripheral Equipments
Si181095 Outdoor Unit Removal of Electronic Expansion Valves / Peripheral Equipments Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Pull out the 2 electronic expansion valve coils. Electronic expansion Electronic... - Page 18 Outdoor Unit Si181095 Step Procedure Points Disconnect the lead wires of the high pressure switch. High pressure switch (S1PH) (R12978) Remove the screw and remove the solenoid Solenoid valve coil for valve coil for hot gas hot gas bypass (Y2S) bypass.
- Page 19 Si181095 Outdoor Unit Step Procedure Points Before working, make sure that the refrigerant Electronic Warning expansion valve gas is empty in the circuit. Be careful not to get yourself (main) Be sure to apply nitrogen burnt with the pipes and other replacement when parts that are heated by the heating up the brazed...
- Page 20 Outdoor Unit Si181095 Step Procedure Points Disconnect the brazed Note: part of the solenoid Do not use a metal saw for valve. cutting pipes by all means Solenoid valve for because the sawdust comes hot gas bypass into the circuit. When withdrawing the pipes, be careful not to pinch them firmly with pliers.
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Page 21: Removal Of Four Way Valve
Si181095 Outdoor Unit Removal of Four Way Valve 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 screw and Warning remove the four way Be careful not to get yourself valve coil. -
Page 22: Removal Of Compressor
Outdoor Unit Si181095 Removal of Compressor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Open upward the sound Preparation insulation for the Remove the outer panels, Sound insulation for the terminal cover terminal cover. - Page 23 Si181095 Outdoor Unit Step Procedure Points Remove the sound insulation for the compressor. (R9267) Remove the crankcase Pull the spring to release the heater at the lower of catch. the compressor. (R9268) Remove the 3 nuts of You can see the rear side the compressor.
- Page 24 Outdoor Unit Si181095 Step Procedure Points Before working, make sure that the refrigerant Warning gas is empty in the circuit. Be careful not to get yourself Be sure to apply nitrogen burnt with the pipes and other replacement when parts that are heated by the heating up the brazed gas brazing machine.
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Page 25: Bp Unit
Si181095 BP Unit 2. BP Unit Removal of PCB Assembly 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 4 screws and remove the electrical box cover. - Page 26 BP Unit Si181095 Step Procedure Points Disconnect the [X20A]: bypass connectors for the [X21A]: for room A electronic expansion [X22A]: for room B valve [X20A] [X21A] [X23A]: for room C [X22A] [X23A] and the [X23A] connector for the thermistors [X90A]. [X90A] [X22A] [X21A]...
- Page 27 Si181095 BP Unit Step Procedure Points Disconnect the terminal of the earth wire. (Q0507) Remove the 2 screws and remove the PCB PCB assembly assembly. (R12990) Removal Procedure...
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Page 28: Removal Of Electronic Expansion Valve Coils
BP Unit Si181095 Removal of Electronic Expansion Valve Coils Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Detach the clamp of the Preparation wire harnesses. Remove the PCB assembly according to the “Removal of PCB Assembly”. - Page 29 Si181095 BP Unit Step Procedure Points Remove the sealing Sealing material materials of the pipe insulation sleeves. (R12994) (Q0513) Remove the putty. Electronic expansion valve coils for room A for room B for room C (R12993) Removal Procedure...
- Page 30 BP Unit Si181095 Step Procedure Points Cut off the clamps and Clamp pull out the electronic expansion valve coils. (Q0528) Clamp (Q0529) Removal Procedure...
- Page 31 Revision History Month / Year Version Revised contents 01 / 2013 Si181095 First edition...
- Page 32 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.
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