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Mitsubishi Electric CITY MULTI PEFY Series Technical & Service Manual
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Mitsubishi Electric CITY MULTI PEFY Series Technical & Service Manual

Ceiling concealed air conditioners
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Summary of Contents for Mitsubishi Electric CITY MULTI PEFY Series

  • Page 2 Indicates a parts that requires grounding. the ones that are recommended by Mitsubishi Electric may result in smoke, fire, or explosion. Indicates that caution must be taken with rotating parts. (This Consult your dealer for proper disposal method.
  • Page 3 Do not use a charging cylinder. - If a charging cylinder is used, the composition of the refrigerant in the cylin- der will change and become unsuitable for use. Exercise special care when handling tools for use with R410A. - Infiltration of dust, dirt, or water into the refrigerant system may cause the refrigerator oil to deteriorate.

  • Page 4: Table Of Contents

    CONTENTS I Features [1] Features............................ 1 II Part Names and Functions [1] Part Names and Functions ....................... 2 1.Indoor (main) unit........................2 2.Remote controller ........................3 III Specification [1] Specification ..........................9 1.Specification ........................... 9 2.Electrical parts specifications....................10 IV Outlines and Dimensions [1] Outlines and Dimensions......................
  • Page 5 HWE1706A...

  • Page 6: Features

    [ I Features ] I Features [1] Features Series PEFY Ceiling Concealed Indoor unit Cooling capacity/Heating capacity Models PEFY-P40VMHS-E 4.5 / 5.0 PEFY-P50VMHS-E 5.6 / 6.3 PEFY-P63VMHS-E 7.1 / 8.0 PEFY-P71VMHS-E 8.0 / 9.0 PEFY-P80VMHS-E 9.0 / 10.0 PEFY-P100VMHS-E 11.2 / 12.5 PEFY-P125VMHS-E 14.0 / 16.0 PEFY-P140VMHS-E...

  • Page 7: Part Names And Functions

    [ II Part Names and Functions ] II Part Names and Functions [1] Part Names and Functions 1. Indoor (main) unit Air outlet Air inlet - 2 - HWE1706A...

  • Page 8: Remote Controller

    [ II Part Names and Functions ] 2. Remote controller Wired remote controller function * The functions which can be used are restricted according to the model. : Supported : Unsupported PAR-40MAA Function Slim City multi Body Product size H 14.5 l l u Backlight...
  • Page 9 [ II Part Names and Functions ] The main display can be displayed in two different modes: "Full" and "Basic". The initial setting is "Full". To switch to the "Basic" mode, change the setting on the Main display setting. <Full mode> <Basic mode>...
  • Page 10 [ II Part Names and Functions ] Menu structure Main menu Operation Vane•Louver•Vent. (Lossnay) High power Comfort Manual vane angle 3D i-See sensor Timer menu Timer On/Off timer Auto-Off timer Weekly timer OU silent mode Night setback Energy saving Restriction Temp.
  • Page 11 [ II Part Names and Functions ] Maintenance menu Error information Filter information Cleaning Auto descending panel Descending operation Descending adjustment Service menu Test run menu Test run Drain pump test run Maintenance information Model name input Serial No. input Dealer information input Initialize maintenance info.
  • Page 12 [ II Part Names and Functions ] Main menu list Main menu Setting items Setting details Operation Vane•Louver•Vent. Use to set the vane angle. (Lossnay) • Select a desired vane setting from five different settings. Use to turn ON/OFF the louver. •...
  • Page 13 [ II Part Names and Functions ] Main menu Setting items Setting details Initial Basic Clock Use to set the current time. setting setting Daylight Sets the daylight saving time. saving time Display Main Use to switch between "Full" and "Basic" modes for the Status display and the setting display Main display.

  • Page 14: Specification

    [ III Specification ] III Specification [1] Specification 1. Specification Model PEFY-P40VMHS-E PEFY-P50VMHS-E PEFY-P63VMHS-E PEFY-P71VMHS-E Power source ~ 220-240V 50Hz/60Hz Cooling capacity *1 Heating capacity *1 Power Cooling 0.055 0.090 0.075 consumption Heating 0.055 0.090 0.075 Cooling 0.41 0.64 0.54 Current Heating 0.41...

  • Page 15: Electrical Parts Specifications

    [ III Specification ] 2. Electrical parts specifications Model PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- PEFY- Symbol P40VMHS-E P50VMHS-E P63VMHS-E P71VMHS-E P80VMHS-E P100VMHS-E P125VMHS-E P140VMHS-E Parts name Room temperature TH21 Resistance 0˚C/15 kΩ, 10˚C/9.6 kΩ, 20˚C/6.3 kΩ, 25˚C/5.4 kΩ, 30˚C/4.3 kΩ, 40˚C/3.0 kΩ thermistor Liquid pipe TH22...

  • Page 16: Outlines And Dimensions

    [ IV Outlines and Dimensions ] IV Outlines and Dimensions [1] Outlines and Dimensions Unit: mm - 11 - HWE1706A...
  • Page 17 [ IV Outlines and Dimensions ] Unit: mm - 12 - HWE1706A...

  • Page 18: Wiring Diagram

    [ V Wiring Diagram ] V Wiring Diagram [1] Wiring Diagram - 13 - HWE1706A...

  • Page 19: Refrigerant System Diagram

    [ VI Refrigerant System Diagram ] VI Refrigerant System Diagram [1] Refrigerant System Diagram Gas pipe thermistor TH23 Gas pipe Liquid pipe thermistor TH22 Brazed joints Liquid pipe Heat exchanger Linear expansion valve Strainer (#100mesh) Strainer (#100mesh) Room temperature thermistor TH21 Capacity PEFY-P40, 50VMHS-E...

  • Page 20: Troubleshooting

    [ VII Troubleshooting ] VII Troubleshooting [1] Troubleshooting 1. Check methods 1. Component and check points (1) Thermistor ♦Room temperature thermistor (TH21) ♦Liquid pipe thermistor (TH22) ♦Gas pipe thermistor (TH23) Disconnect the connector and measure the resistance between terminals with a tester. (Ambient temperature 10°C - 30°C) Normal Abnormal...
  • Page 21 [ VII Troubleshooting ] 1) Summary of linear expansion valve (LEV) operation ♦The LEV is operated by a stepping motor, which operates by receiving a pulse signal from the indoor control board. ♦The LEV position changes in response to the pulse signal. Indoor control board and LEV connection 12VDC Ø4...
  • Page 22 [ VII Troubleshooting ] 2) LEV operation (a) Close (b) Open (c) Fully open valve (2000 pulses) (d) No. of pulses (e) Extra tightening (41 pulses) ( f ) Valve opening degree ♦ When the power is turned on, a pulse signal of fully open pulse + 10% pulse is output (valve closure signal), to bring the valve to position A.
  • Page 23 [ VII Troubleshooting ] Valve closure To check the LEV on the indoor unit, check the indoor unit liquid pipe temperature Replace the LEV failure (leaky that appears on the operation monitor on the outdoor unit's multi control board if the amount of valve) while operating the indoor unit in question in the FAN mode and the other indoor leakage is great.

  • Page 24: Dc Fan Motor (Fan Motor/Indoor Control Board)

    [ VII Troubleshooting ] 2. DC fan motor (fan motor/indoor control board) 1. CAUTION ♦A high voltage is applied to the connector for connection to the fan motor (CNMF1). ♦Do not unplug the connector CNMF1 with the unit energized to avoid damage to the indoor control board and fan motor. 2.

  • Page 25: Setting Of Address Switch

    [ VII Troubleshooting ] 3. Setting of address switch Make sure that power source is turning off. Indoor unit control board 1) Incase using network remote controller, address is set by rotary switches. (SW11, SW12) * It is not necessary setting address in case of using unit remote controller. Indoor unit do not run without address setting in field.

  • Page 26: Setting Of Dip-Switch (At Delivery)

    [ VII Troubleshooting ] 4. Setting of dip-switch (at delivery) Models SW21 SW22 PEFY-P40VMHS-E 9 10 9 10 PEFY-P50VMHS-E 9 10 9 10 PEFY-P63VMHS-E 9 10 9 10 PEFY-P71VMHS-E 9 10 9 10 PEFY-P80VMHS-E 9 10 9 10 PEFY-P100VMHS-E 9 10 9 10 PEFY-P125VMHS-E 9 10...

  • Page 27: Disassembly Procedure

    [ VIII Disassembly Procedure ] VIII Disassembly Procedure [1] Disassembly Procedure 1. Control box Be careful on removing heavy parts. FIGURES OPERATING PROCEDURE 1. Removing the control box cover Fig. 1 (1) Remove the fixing screws (three) of the control box (A), and Fixing screws remove the cover.

  • Page 28: Fan And Fan Motor

    [ VIII Disassembly Procedure ] 2. Fan and fan motor Be careful on removing heavy parts. Electric shock hazard. Before performing any work, shut off the power supply. FIGURES OPERATING PROCEDURE Fig. 1 1. Remove the control box cover according to the procedure in section [1]-1.
  • Page 29 [ VIII Disassembly Procedure ] FIGURES OPERATING PROCEDURE 6. Precautions for reinstalling the removed motor in its Fig. 5 Stamp original position (1) P40-80 Fix the motor in place so that the stamp printed on the motor faces front when viewed from the air inlet. (Fig. 5) (2) P100-140 Fig.

  • Page 30: Lev, Thermistor (Liquid/Gas Piping Temperature Detection)

    [ VIII Disassembly Procedure ] 3. LEV, thermistor (Liquid/Gas piping temperature detection) Be careful on removing heavy parts. FIGURES OPERATING PROCEDURE Fig. 1 1. Removing the LEV. (1) Remove the control box cover with procedure [1]-1. (2) Remove the fixing screws (five) of the heat exchanger cover (A), and remove the cover (A).

  • Page 31: Heat Exchanger

    [ VIII Disassembly Procedure ] 4. Heat exchanger Be careful on removing heavy parts. FIGURES OPERATING PROCEDURE Fig. 1 1. Removing the heat exchanger. (1) Remove the heat exchanger cover with procedure [1]-3-1. Bottom plate (2) Remove the bottom plate which is air outlet side. (fixing screws: twelve) (Fig.
  • Page 32 [ VIII Disassembly Procedure ] FIGURES OPERATING PROCEDURE (5) Remove the maintenance cover. (fixing screws: four) (Fig. 5) Fig. 4 (6) Remove the heat exchanger. (fixing screws: four) (Fig. 4, 6) *Removed heat exchanger is as shown Fig. 7. Fixing screws Fig.

  • Page 33: Control Box Inside Layout

    [ VIII Disassembly Procedure ] 5. Control box inside layout Diode bridge AC reactor Power source Transmission terminal bed terminal bed - 28 - HWE1706A...

  • Page 34: Sensor Position

    [ VIII Disassembly Procedure ] 6. Sensor position PEFY-P40, 50, 63VMHS-E PEFY-P100VMHS-E Gas sensor Gas sensor Liquid sensor Liquid sensor PEFY-P71, 80VMHS-E PEFY-P125VMHS-E Gas sensor Gas sensor Liquid sensor Liquid sensor PEFY-P140VMHS-E Gas sensor Liquid sensor - 29 - HWE1706A...

This manual is also suitable for:

City multi pefy-p40vmhs-eCity multi pefy-p50vmhs-eCity multi pefy-p63vmhs-eCity multi pefy-p71vmhs-eCity multi pefy-p80vmhs-eCity multi pefy-p100vmhs-e ... Show all

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