Mitsubishi Electronics PCFY-P30NKMU-E Removing the pipe thermistors/Liquid TH22 and Gas, TH23

Page 33

 

OPERATING PROCEDURE

 

 

PHOTOS & ILLUSTRATIONS

10. Removing the pipe thermistors/Liquid (TH22) and Gas

Photo 17

 

 

 

(TH23)

 

 

 

 

 

 

(1)

Remove the air intake grille. (See Figure 1,2)

 

 

 

 

 

 

(2)

Remove the left and right side panels. (See Figure 3)

 

 

 

 

 

 

(3)

Remove the under panel. (See Photo 13)

 

 

 

 

 

 

(4)

Remove the drain pan. (See Photo 14, 15, 16)

 

 

 

 

 

 

(5)

Disconnect the connector CN44 (white) from the indoor

 

 

 

 

 

 

Pipe cover fixing

 

 

 

 

controller board.

 

 

 

 

screws

Pipe cover fix-

(6)

Remove 6 screws from the pipe cover and remove the

 

 

 

ing screws

 

 

 

 

pipe cover. (See Photo 14, 17)

 

 

 

(See Photo 15)

(7)

Remove the fastener for wires and remove the thermistors

 

 

 

 

 

 

 

(liquid and gas) from each holder. (See Photo 18)

 

 

Pipe cover

 

 

 

 

Photo 18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas pipe

 

 

 

 

Liquid pipe

 

 

 

 

 

thermistor

 

thermistor

 

 

 

 

 

 

 

 

 

Fastener

11. Removing the guide vane

Photo 19

(1)

Remove the intake grille. (See Figure 1,2)

 

(2)

Remove the side panel (right and left). (See Figure 3)

Screw

(3)

Remove the under panel. (See Photo 13)

 

(4)

Remove the drain pan. (See Photo 14, 15,16)

 

(5)

Remove the screw from the guide vane, then remove

 

 

the guide vane.

Drain pan

 

 

 

 

 

Guide vane

 

 

 

 

 

12. Removing the Auto vane

Photo 20

 

 

(1)

Remove the intake grille. (See Figure 1,2)

 

 

 

(2)

Remove the right side panel. (See Figure 3)

Vane sleeve

Vane support

Vane

(3)

Remove the vane motor and cover. (See Photo 12)

 

 

Vane motor side

(4)

Slide the auto vane to the vane motor side.

 

 

 

(5)

Remove 2 axes from each vane support pushing the

 

 

 

 

vane support to the vane sleeve side.

 

 

 

33

Image 33
Contents Parts Catalog OCB450 ContentsPart Names and Functions Wired remote controller Specifications SpecificationSound Level Electrical Parts SpecificationsPCFY-P15NKMU-E PCFY-P24NKMU-E NC CurvesCmmcfm How to read curvesFront View Pcfy Gas pipe side/flared connection PCFY-P15, 24, 30, 36NKMU-E Wiring DiagramUnit mm inch Service Ref Refrigerant System DiagramPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E Ø12.7 1/2 Ø15.88 5/8Room temperature Desired temperature How to operateMicroprocessor Control Indoor Unit Control 6-1. Cool OperationFloat switch control Pressed one time. Dry 67 to 87F DRY OperationControl modes Control details Remarks Thermo regulating Drain pump Same control as Cool operation VaneFAN Operation Pressed one time. Heating 63 to 83F Heat OperationDisplay in Heat operation Defrost Fan Control detailsFrom the preceding Control modes Control details Remarks Fan Thermo OFF modeAuto Operation Automatic COOL/HEAT Change Over Operation When Unit is StoppedDown TroubleshootingLinear expansion valve Closing a valve 1 → 2 → 3 → 4 → Trouble shootingBecome OFF ValveSensor signal check Function of DIP Switch How to set address High ceiling On SWA settingSwitch Match the indoor unit’s refrigerant pipe with the BC How to set branch number SW14 Series R2 onlyOperation by switch Effective Switch PoleJumper Pattern aPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E Test Point DiagramSW1 Operating Procedure Photos & Illustrations Disassembly ProcedurePCFY-P15NKMU-E PCFY-P24NKUM-E PCFY-P30NKMU-E PCFY-P36NKMU-ERemoving the fan motor and right side fan Removing the room temperature thermistor TH21Removing the side panel Removing the fan 3 connectionRemove the screw from the side panel, and remove Side panel by sliding the panel to the frontRemoving the vane motor Removing the under panelRemoving the drain pan TH23 Removing the pipe thermistors/Liquid TH22 and GasRemoving the guide vane Removing the Auto vaneRemoving the heat exchanger and LEV Remove 2 screws from the heat exchangerRemove the heat exchanger with LEV Page New publication, effective Feb

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