Mitsubishi Electronics PCFY-P24NKMU-E, PCFY-P15NKMU-E Removing the heat exchanger and LEV

Page 34

 

OPERATING PROCEDURE

PHOTOS & ILLUSTRATIONS

13. Removing the heat exchanger and LEV

Photo 21

(1)

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

 

(2)

Remove the beam. (See Photo 1)

 

(3)

Remove the electrical cover. (See Photo 1)

 

(4)

Pull the electrical box downward. (See Photo 2)

 

(5)

Disconnect the connector CN60 (white) from the indoor

 

 

controller board.

 

(6)

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

Heat exchanger

(7)Remove the under panel. (See Photo 13)

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

(9) Remove the pipe cover. (See Photo 17)

 

(10)

Remove the pipe thermistors (TH22 and TH23) from

Pipe band

 

each holder. (See Photo 18)

 

(11) Remove the pipe band fixing screw and remove the

 

 

pipe band. (See Photo 21)

Pipe band fixing

(12)

Remove 2 screws from the heat exchanger and

 

remove the heat exchanger with LEV.

screw

 

 

Photo 22

Heat exchanger fixing screws

Heat exchanger

Vane

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Image 34
Contents Contents Parts Catalog OCB450Part Names and Functions Wired remote controller Specification SpecificationsElectrical Parts Specifications Sound LevelNC Curves PCFY-P15NKMU-E PCFY-P24NKMU-EHow to read curves CmmcfmFront View Pcfy Gas pipe side/flared connection Wiring Diagram PCFY-P15, 24, 30, 36NKMU-EPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E Refrigerant System DiagramUnit mm inch Service Ref Ø12.7 1/2 Ø15.88 5/8Microprocessor Control How to operateRoom temperature Desired temperature Indoor Unit Control 6-1. Cool OperationFloat switch control Control modes Control details Remarks Thermo regulating DRY OperationPressed one time. Dry 67 to 87F Drain pump Same control as Cool operation VaneFAN Operation Display in Heat operation Defrost Heat OperationPressed one time. Heating 63 to 83F Fan Control detailsControl modes Control details Remarks Fan Thermo OFF mode From the precedingWhen Unit is Stopped Auto Operation Automatic COOL/HEAT Change Over OperationTroubleshooting DownLinear expansion valve Become OFF Trouble shootingClosing a valve 1 → 2 → 3 → 4 → ValveSensor signal check Function of DIP Switch Switch Match the indoor unit’s refrigerant pipe with the BC High ceiling On SWA settingHow to set address How to set branch number SW14 Series R2 onlyJumper Switch PoleOperation by switch Effective Pattern aTest Point Diagram PCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-ESW1 PCFY-P15NKMU-E PCFY-P24NKUM-E Disassembly ProcedureOperating Procedure Photos & Illustrations PCFY-P30NKMU-E PCFY-P36NKMU-ERemoving the room temperature thermistor TH21 Removing the fan motor and right side fanRemove the screw from the side panel, and remove Removing the fan 3 connectionRemoving the side panel Side panel by sliding the panel to the frontRemoving the under panel Removing the vane motorRemoving the drain pan Removing the guide vane Removing the pipe thermistors/Liquid TH22 and GasTH23 Removing the Auto vaneRemove 2 screws from the heat exchanger Removing the heat exchanger and LEVRemove the heat exchanger with LEV Page New publication, effective Feb

PCFY-P30NKMU-E, PCFY-P36NKMU-E, PCFY-P24NKMU-E, PCFY-P15NKMU-E specifications

Mitsubishi Electronics is renowned for its innovative solutions in the field of heating, ventilation, and air conditioning (HVAC) systems. Among its impressive lineup, the PCFY-P series of ceiling-mounted air conditioning units stands out for its advanced features, technologies, and efficient performance. The models PCFY-P15NKMU-E, PCFY-P24NKMU-E, PCFY-P36NKMU-E, and PCFY-P30NKMU-E cater to various cooling and heating needs, making them suitable for both residential and commercial applications.

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