Mitsubishi Electronics PKH30FL, PKH36FL, PKH24FL, PKH18FL service manual Features

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FEATURES

CHECK TEST

MODEL RUN SELECT

FAN

SWING

NOT AVAILABLE

˚F ˚C

STOP AMPM

START

Indoor unit

Remote controller

Models

Cooling capacity / Heating capacity

SEER

PKH18FL

18,000 / 18,600 [25,100] Btu/h

11.1

PKH24FL

24,000 / 25,000 [31,500] Btu/h

10.2

PKH30FL

30,000 / 33,000 [40,500] Btu/h

10.6

PKH36FL

34,200 / 38,000 [45,500] Btu/h

10.5

1. COMPACT DESIGN

The PKH series models have been downsized and now require such minimal wall space that they can even be installed above windows.

2. LCD WIRELESS REMOTE CONTROLLER

The new wireless remote controller has a larger easy-to-read temperature display, and executes ON/OFF commands and temperature settings with a press of the button.

3. AUTO FLAP SHUTTER

With a simple flick of the OFF switch the air outlet can be closed off with a shutter. The shutter also functions as a flap during operation to adjust the air flow angle, with “Auto Angle 1” securing a comfortable air flow.

4.INSTALLATION : FAST AND EASILY ADAPTABLE

(1)Multi-directional piping

Multi directional drain and refrigerant piping radically improves flexibility in selecting installation layouts. PKH18/24/30/36FL models boast refrigerant piping in 4 directions and drain piping in 2 directions.

(2)Back plate installation guide

The back plate installation guide gives clear instructions on installation positions. The enlarged back plate secures the unit firmly to the wall, while the support piece which lifts the unit makes left side piping work much easier.

(3)Easily removable filter and convenient wireless remote controller

The presence of thumb screws on the filters means that the filters can be quickly and smoothly removed.

5.HIGH RELIABILITY AND EASY SERVICING

In addition to the self-diagnostic function, units are also equipped with a 3-minute time delay mechanism (cooling), an auto restart function, an emergency operation function, a test run switch, etc., to assure high reliability and easy servicing.

6. NITROGEN GAS IS CHARGED TO INDOOR UNIT

Indoor unit and refrigerant pipes are charged with nitrogen gas (N2) instead of R22 before shipment from the factory.

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Contents Contents Revised EDITION-AFeatures Part Names and Functions Specifications Models PKH18FL, PKH24FL, PKH30FL, PKH36FLData Models PKH18FL, PKH24FL, PKH30FL, PKH36FL Performance DataHeating Capacity PKH24FL Performance CurvePKH18FL PKH36FL Condensing Pressure and Suction Pressure PKH18FL Cooling ModeHeating Mode PKH24FL Cooling Mode Indoor DB temperature F 80 psi.G Pressure SuctionPKH30FL Cooling Mode PKH36FL Cooling Mode Standard Operation Data SHF PKH18FL PKH24FL PKH30FL PKH36FLWith wind baffle D.B F if no wind baffle Operating RangeOutlet AIR Speed and Coverage Range PKH36FL Noise Criterion CurvesPKH30FL Band Center FREQUENCIES, HzUnit inch OutlinesPKH24FL PKH36FL PKH30FL InchPKH18FL PKH24FL PKH30FL PKH36FL Refrigerant System DiagramWireless Remote Controller Wiring Diagram Models PKH18FL, PKH24FL, PKH30FL, PKH36FL Wiring DiagramOperation FLOW-CHART Main OperationCooling Operation DRY Operation YESHeating Operation YES FAN Speed noMicroprocessor Control Outline of Microprocessor ControlIndoor Unit Control Cool operation time chartHow to operate Cool operationCoil frost protection Compressor controlStart condition Termination conditionsAuto vane control Auto ReturnDetecting abnormalities in the outdoor unit DRY operation time chart How to operate DRY operationFan control in DRY operation Display in Heat operation Heat operation time chart How to operateHeat operation Overheat prevention Overheat protectionBooster heater control Indoor coil temperature abnormality detection Defrosting operationTemperature range Initial modeMode change Auto return Auto vane controlCOOL/DRY operation Test run Timer operationTimer function Emergency operation Before emergency operationDip switch and jumper connector functions On remote controller board On indoor controller boardIndoor FAN Control Wireless remote controller pair number setting operation Model NoTroubleshooting Self-checkOther Troubles and Causes Wrong Wiring on Site Between remote controller and indoor unitHOW to Check the Parts Check pointsIndoor unit PKH24FL Disassembly ProcedureOperating Procedure PHOTOS&ILLUSTRATION PhotoRemoving the drain pan Removing the vane motorRemoving the intake grilles Removing the electrical heater Operating Procedure PhotosRemoving the line flow fan and the fan motor Parts List Electrical Parts PKH18FL PKH24FL PKH30FL PKH36FLT7W E14 Qty / set Wiring Parts No Parts Name SpecificationsT7W E13 R01 12G 621Structural Parts PKH24FL PKH30FL PKH36FLPage Distributed in Dec No.OC276 New publication, effective Nov Specifications are subject to change without notice