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Fan Motor

Si121292EC

14

Removal Procedure

4. Fan Motor

Warning

Š

Be sure to wait for 10 minutes or more after turning off all power supplies before 
disassembling work.

Step

Procedure

Points

1

2

Remove the 2 lower 
screws first.

Then, remove the 2 
upper screws.

„

Be sure to remove the lower 
screws (1) first. If the top 
screws (2) are removed first, 
the fan motor may tilt down 
or fall and cause injury 
because its center of gravity 
is shifted to the front.

3

Remove the fan motor.

„

When reassembling, make 
sure that the wire harness is 
facing downward.

(2)

(1)

(R6442)

Fan motor

(R6443)

Harness

(R6444)

Содержание 4MKS80ESG

Страница 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Multi Type 8 0 9 0 10 0 kW Class Si121292EC...

Страница 2: ...ervice Manual Removal Procedure Outdoor Unit zCooling Only zHeat Pump 4MKS80ESG 4MXS80KVM 4MXS100KVM 4MKS80FSG 4MXS80LVMA 4MKS80KVM 4MXS80LVMA9 4MKS100KVM 4MXS80E3V3B 4MKS80LVMA 5MXS90E3V3B 4MKS80LVMA...

Страница 3: ...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 illust...

Страница 4: ...plies before disassembling work Step Procedure Points 1 Remove the suction grille 1 2 Unfasten the 5 hooks Remove the suction grille 2 Remove the top panel 1 2 Remove the 8 screws Lift the top panel a...

Страница 5: ...t panel 2 downward to unfasten the hook 1 Remove the 2 screws and remove the front panel 2 5 Remove the front panel 1 Remove the discharge grille and the outdoor fan before removing the front panel 1...

Страница 6: ...crews 5 Release the hook and remove the front panel 1 6 Remove the rear panel Disconnect the connecting wires and power supply wires 1 Remove the screw on the partition plate 2 2 Slide the partition p...

Страница 7: ...screws on the wire fixture lower 6 Remove the wire fixture lower 7 Release the holder and harness of the outdoor temperature thermistor 8 Remove the 5 screws 9 Unfasten the 2 hooks and remove the rea...

Страница 8: ...f all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws to detach the earth ground wires 2 Disconnect the connector S70 S70 fan motor 3 Release the fan motor lead wi...

Страница 9: ...pansion valve coil and pull out the clamp S20 white room A S21 red room B S22 blue room C S23 yellow room D 5 room models also have S24 green for room E When reassembling insert each clamp into the ho...

Страница 10: ...ermistor ASSY When reassembling insert the clamp into the hole 9 10 Release the thermistor harness from the hook at the bottom of electrical box Pull out the clamp of the thermistor harness from the h...

Страница 11: ...he connector S40 S40 overload protector 12 13 Release the clamp Disconnect the relay connector for the compressor 14 Remove the screw on the stop valve mounting plate Step Procedure Points S40 R10539...

Страница 12: ...Electrical Box Si121292EC 10 Removal Procedure 15 Remove the screw on the partition plate 1 16 17 Unfasten the hook Remove the electrical box Step Procedure Points R6411 Partition plate 1 Hook R17579...

Страница 13: ...sassembling work Step Procedure Points 1 Remove the main PCB 1 Remove the cover of the electrical box Release the 4 hooks The hooks are marked with W 2 Remove the 3 screws 3 Unfasten the 4 hooks 4 Lif...

Страница 14: ...screws and remove the reactor 3 Remove the service monitor PCB 1 Disconnect the connectors S52 S102 from the service monitor PCB 2 Unfasten the top and bottom hooks and remove the service monitor PCB...

Страница 15: ...Si121292EC PCBs Removal Procedure 13 4 Remove the terminal board 1 Remove the screw 2 Unfasten the hook 3 Remove the terminal board Step Procedure Points R17804 Terminal board Hook R10413...

Страница 16: ...1 2 Remove the 2 lower screws first Then remove the 2 upper screws Be sure to remove the lower screws 1 first If the top screws 2 are removed first the fan motor may tilt down or fall and cause injury...

Страница 17: ...Remove the electronic expansion valve coils 1 Pull out the electronic expansion valve coils 2 Remove the thermistors When reassembling place the thermistor so that its edge comes up to the edge of th...

Страница 18: ...o lose the clips for the thermistors 3 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip 4 Slightly open the sound blanket outer Step Procedure Points Liquid pipe thermist...

Страница 19: ...the end of the fixture Be careful not to lose the fixture for the discharge pipe thermistor 3 Remove the four way valve coil The cooling only models have no four way valve coil 1 Remove the screw 2 R...

Страница 20: ...p upper 3 Remove the screw from the partition plate 1 and push the plate to the left slightly for easy work 4 Remove the sound blanket outer 5 Remove the sound blanket top lower 6 Remove the sound bla...

Страница 21: ...refrigerant gas Restore the piping by non oxidation brazing Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the br...

Страница 22: ...r 4 Heat up the brazed part of the discharge side pipe a and withdraw the piping Some models have 3 nuts 5 Heat up the brazed part of the suction side pipe b and withdraw the piping 6 Remove the 2 nut...

Страница 23: ...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 a...

Страница 24: ...ries 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 acce...

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