Daikin 4MKS80ESG Service Manual

Daikin 4MKS80ESG Service Manual

Removal procedure, outdoor unit
Hide thumbs Also See for 4MKS80ESG:
Si121292EC
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
8.0/9.0/10.0 kW Class
Outdoor Unit
Inverter
Multi Type
loading

Summary of Contents for Daikin 4MKS80ESG

  • Page 1 Si121292EC REMOVAL PROCEDURE S E R V I C E M A N U A L 8.0/9.0/10.0 kW Class Outdoor Unit Inverter Multi Type...
  • Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump 4MKS80ESG 4MXS80KVM 4MXS100KVM 4MKS80FSG 4MXS80LVMA 4MKS80KVM 4MXS80LVMA9 4MKS100KVM 4MXS80E3V3B 4MKS80LVMA 5MXS90E3V3B 4MKS80LVMA9...
  • Page 3: Table Of Contents

    Si121292EC Table of Contents 1. Outer Panels ...................2 2. Electrical Box ..................6 3. PCBs .....................11 4. Fan Motor....................14 5. Coils / Thermistors ................15 6. Sound Blankets ..................18 7. Compressor...................19 Note: The illustrations may be slightly different depending on the model. The illustrations are for heat pump models as representative.
  • Page 4: Outer Panels

    Outer Panels Si121292EC 1. Outer Panels Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Remove the suction grille. Hook Unfasten the 5 hooks. Remove the suction grille.
  • Page 5 Si121292EC Outer Panels Step Procedure Points Remove the right side Slide the right side panel panel. downward to unfasten the 2 hooks on the rear side. Hook (R18911) 4. Remove the front panel (2). Front Panel (2) Remove the 2 screws and remove the front panel (2).
  • Page 6 Outer Panels Si121292EC Step Procedure Points Remove the nut and Nut size : M8 remove the outdoor fan. Outdoor fan 13 mm (0.51 inch) (R18965) When reassembling, align mark of the outdoor fan with the D-cut section of (R16736) the motor shaft. Remove the 5 screws.
  • Page 7 Si121292EC Outer Panels Step Procedure Points Remove the 5 screws on the wire fixture (upper). Remove the wire fixture (upper). Wire fixture (upper) (R17902) Remove the 3 screws on the wire fixture (lower). Remove the wire fixture (lower). Wire fixture (lower) (R17936) Release the holder and...
  • Page 8: Electrical Box

    Electrical Box Si121292EC 2. Electrical Box 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 to detach the earth / ground wires. Earth / ground wire (R20764)
  • Page 9 Si121292EC Electrical Box Procedure Points Step Disconnect the [S80]: four way valve coil connector [S80] and [S80] pull out the clamp. The cooling only models have no harness for [S80]. Clamp (R11187) Disconnect the 4 [S20] (white): room A [S20] [S21] [S22] [S23] connectors for the [S21] (red): room B electronic expansion...
  • Page 10 Electrical Box Si121292EC Procedure Points Step Disconnect the [S92]: gas pipe thermistor [S92] connector [S92] and pull out the clamp. When reassembling, insert the clamp into the hole. For [S92] Clamp (R17905) (R10537) Disconnect the [S90]: thermistor ASSY connector [S90] and pull out the clamp.
  • Page 11 Si121292EC Electrical Box Procedure Points Step Disconnect the [S40]: overload protector connector [S40]. [S40] (R10539) Release the clamp. Clamp Disconnect the relay connector for the compressor. (R20766) Remove the screw on the stop valve mounting Electrical box plate. Stop valve mounting plate (R10395) Removal Procedure...
  • Page 12 Electrical Box Si121292EC Procedure Points Step Remove the screw on the partition plate (1). Partition plate (1) (R6411) Unfasten the hook. Remove the electrical box. Hook (R17579) Removal Procedure...
  • Page 13: Pcbs

    Si121292EC PCBs 3. PCBs Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Remove the main PCB. Hook Remove the cover of Release the 4 hooks. The the electrical box.
  • Page 14 PCBs Si121292EC Procedure Points Step 2. Remove the reactor. Reactor Remove the screw. (R10409) Remove the 3 screws and remove the reactor. (R6434) 3. Remove the service [S102] monitor PCB. Disconnect the connectors [S52] [S102] from the service monitor PCB. [S52] Service monitor PCB...
  • Page 15 Si121292EC PCBs Procedure Points Step 4. Remove the terminal board. Remove the screw. Terminal board Unfasten the hook. Hook (R17804) Remove the terminal board. (R10413) Removal Procedure...
  • Page 16: Fan Motor

    Fan Motor Si121292EC 4. Fan Motor 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 lower Be sure to remove the lower screws first. screws (1) first.
  • Page 17: Coils / Thermistors

    Si121292EC Coils / Thermistors 5. Coils / Thermistors Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Remove the electronic expansion valve coils. Pull out the electronic expansion valve coils.
  • Page 18 Coils / Thermistors Si121292EC Step Procedure Points Peel off the putty and pull out the liquid pipe thermistors. Liquid pipe thermistor (R17413) Be careful not to lose the clips for the thermistors. Liquid pipe thermistor Clip (R6450) Pull out the outdoor Be careful not to lose the Outdoor heat exchanger thermistor heat exchanger...
  • Page 19 Si121292EC Coils / Thermistors Procedure Points Step Remove the sound blanket (top upper). Sound blanket (top upper) (R10419) Remove the discharge Place the thermistor so that pipe thermistor. its end comes up to the end of the fixture. Be careful not to lose the fixture for the discharge pipe thermistor.
  • Page 20: Sound Blankets

    Sound Blankets Si121292EC 6. Sound Blankets Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Open the sound blanket (outer). Remove the sound blanket (top upper). Sound blanket (outer) Sound blanket (top upper)
  • Page 21: Compressor

    Si121292EC Compressor 7. Compressor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
  • Page 22 Compressor Si121292EC Procedure Points Step Disconnect the U(red) compressor lead wires. W(blue) Remove the overload protector. V(yellow) Overload protector (R9471) Heat up the brazed part of the discharge side pipe (a) and withdraw the piping. Heat up the brazed part of the suction side pipe (b) and withdraw the piping.
  • Page 23 Revision History Month / Year Version Revised contents 09 / 2012 Si121292 First edition 04 / 2013 Si121292_A Model addition: 4MXS80E3V3B, 5MXS90E3V3B 08 / 2014 Si121292EB Model addition: 4MK(X)S80LVMA9 04 / 2015 Si121292EC Model addition: 4MKS80FSG...
  • Page 24 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.