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Mitsubishi Electric CITY MULTI PEFY-WP40VMA-E Technical & Service Manual

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AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Model name
PEFY-WP20VMA-E
PEFY-WP25VMA-E
PEFY-WP32VMA-E
PEFY-WP40VMA-E
PEFY-WP50VMA-E
PEFY-WP63VMA-E
PEFY-WP71VMA-E
PEFY-WP80VMA-E
PEFY-WP100VMA-E
PEFY-WP125VMA-E
2017
3rd edition

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Summary of Contents for Mitsubishi Electric CITY MULTI PEFY-WP40VMA-E

  • Page 1 AIR CONDITIONERS 2017 TECHNICAL & SERVICE MANUAL Model name PEFY-WP20VMA-E PEFY-WP63VMA-E PEFY-WP25VMA-E PEFY-WP71VMA-E PEFY-WP32VMA-E PEFY-WP80VMA-E PEFY-WP40VMA-E PEFY-WP100VMA-E PEFY-WP50VMA-E PEFY-WP125VMA-E 3rd edition...
  • Page 2 It may also be in violation of applicable laws. Only use accessories (i.e., air cleaners, humidifiers, electric MITSUBISHI ELECTRIC CORPORATION cannot be held heaters) recommended by Mitsubishi Electric. responsible for malfunctions or accidents resulting from the use of the wrong type of refrigerant.
  • Page 3 Mitsubishi Electric may result in smoke, fire, or explosion. Only use the type of water that is indicated on the unit when installing or relocating the unit.

  • Page 4: Table Of Contents

    CONTENTS I Features [1] Features............................ 1 II Components and Functions [1] Components and Functions...................... 2 III Specifications [1] Specifications..........................5 1.Specifications.......................... 5 2.Electrical component specifications..................9 IV Outlines and Dimensions [1] Outlines and Dimensions......................11 V Wiring Diagram [1] Wiring Diagram ........................14 VI Refrigerant System Diagram [1] Refrigerant system diagram....................
  • Page 5 HWE1114B...

  • Page 6: I Features [1] Features

    [ I Features ] I Features [1] Features Model Cooling capacity/Heating capacity PEFY-WP20VMA-E 2.2/2.5 PEFY-WP25VMA-E 2.8/3.2 PEFY-WP32VMA-E 3.6/4.0 PEFY-WP40VMA-E 4.5/5.0 PEFY-WP50VMA-E 5.6/6.3 PEFY-WP63VMA-E 7.1/8.0 PEFY-WP71VMA-E 8.0/9.0 PEFY-WP80VMA-E 9.0/10.0 PEFY-WP100VMA-E 11.2/12.5 PEFY-WP125VMA-E 14.0/16.0 - 1 - HWE1114B...

  • Page 7: Components And Functions

    [ II Components and Functions ] II Components and Functions [1] Components and Functions 1. Indoor (Main) Unit (1) In case of rear inlet (2) In case of bottom inlet Air inlet Air inlet Air outlet Air outlet 2. Remote Controller [PAR-32MAA] Once the operation mode is selected, the unit will remain in the selected mode until changed.
  • Page 8 [ II Components and Functions ] (1) Remote Controller Buttons Ⓔ Ⓕ Ⓓ Ⓒ Ⓑ Ⓐ Function buttons Ⓖ Ⓗ Ⓘ Ⓙ ▌Ⓐ [ON/OFF] button The functions of the function buttons change depending on the screen. Refer to the button function guide that appears at the bottom of the LCD for Press to turn ON/OFF the indoor unit.
  • Page 9 [ II Components and Functions ] (2) Remote Controller Display The main display can be displayed in two different modes: "Full" and "Basic." The factory setting is "Full." To switch to the "Basic" mode, change the setting on the "Main display" setting screen (Main menu > Initial setting > Main display).

  • Page 10: Specifications

    [ III Specifications ] III Specifications [1] Specifications 1. Specifications Model PEFY-WP20VMA-E PEFY-WP25VMA-E Power supply Voltage 1-phase 220-230-240 Frequency 50/60 Cooling capacity Heating capacity Power consumption Cooling 0.07 0.09 Heating 0.05 0.07 Current consumption Cooling 0.55 0.64 Heating 0.44 0.53 External finish Galvanized Dimensions...
  • Page 11 [ III Specifications ] Model PEFY- PEFY- PEFY- WP32VMA-E WP40VMA-E WP50VMA-E Power supply Voltage 1-phase 220-230-240 Frequency 50/60 Cooling capacity Heating capacity Power consumption Cooling 0.11 0.14 0.14 Heating 0.09 0.12 0.12 Current consumption Cooling 0.74 1.15 1.15 Heating 0.63 1.04 1.04 External finish...
  • Page 12 [ III Specifications ] Model PEFY- PEFY- PEFY- WP63VMA-E WP71VMA-E WP80VMA-E Power supply Voltage 1-phase 220-230-240 Frequency 50/60 Cooling capacity Heating capacity 10.0 Power consumption Cooling 0.14 0.24 0.24 Heating 0.12 0.22 0.22 Current consumption Cooling 1.15 1.47 1.47 Heating 1.04 1.38 1.38...
  • Page 13 [ III Specifications ] Model PEFY- PEFY- WP100VMA-E WP125VMA-E Power supply Voltage 1-phase 220-230-240 Frequency 50/60 Cooling capacity 11.2 14.0 Heating capacity 12.5 16.0 Power consumption Cooling 0.24 0.36 Heating 0.22 0.34 Current consumption Cooling 1.47 2.21 Heating 1.38 External finish Galvanized Dimensions Height...

  • Page 14: Electrical Component Specifications

    [ III Specifications ] 2. Electrical component specifications Component Sym- PEFY-WP20VMA-E Room temperature TH21 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ thermistor Water inlet pipe TH22 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ thermistor Water outlet pipe TH23 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ thermistor Fuse FUSE...
  • Page 15 [ III Specifications ] Component Sym- PEFY- PEFY- PEFY- WP50VMA-E WP63VMA-E WP71VMA-E Room temperature TH21 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ thermistor Water inlet pipe TH22 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ thermistor Water outlet pipe TH23 Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ thermistor Fuse FUSE...

  • Page 16: Outlines And Dimensions

    [ IV Outlines and Dimensions ] IV Outlines and Dimensions [1] Outlines and Dimensions 1. PEFY-WP20, 25, 32, 40, 50VMA-E Space required for service and maintenance. Provide an access door for maintenance at the bottom. Note 1 Use M10 suspension bolts. (not supplied) 2 Provide an access door for maintenance at the bottom.
  • Page 17 [ IV Outlines and Dimensions ] 2. PEFY-WP63, 71, 80, 100, 125VMA-E - 12 - HWE1114B...
  • Page 18 [ IV Outlines and Dimensions ] - 13 - HWE1114B...

  • Page 19: Wiring Diagram

    [ V Wiring Diagram ] V Wiring Diagram [1] Wiring Diagram 1. PEFY-WP20, 25, 32, 40, 50, 63, 71, 80, 100, 125VMA-E - 14 - HWE1114B...
  • Page 20 [ V Wiring Diagram ] Table.1 SYMBOL EXPLANATION SYM- NAME SYM- NAME SYM- NAME I.B. Indoor controller board CN32 Connector (Remote switch) Switch (for capacity code) (I.B.) P.B. Power supply board CN41 Connector (HA terminal-A) Switch (for mode selection) (I.B.) Power source terminal block CN51 Connector (Centrally control)

  • Page 21: Refrigerant System Diagram

    [ VI Refrigerant System Diagram ] VI Refrigerant System Diagram [1] Refrigerant system diagram Water outlet thermistor TH23 Water outlet Water inlet Screw connections Water inlet thermistor TH22 Heat exchanger Manual air purge valve Room temperature thermistor TH21 Capacity PEFY-WP20, 25, 32, 40, 50VMA-E PEFY-WP63, 71, 80, 100, 125VMA-E Water outlet Rc3/4 screw...

  • Page 22: Troubleshooting

    [ VII Troubleshooting ] VII Troubleshooting [1] Troubleshooting 1. Check methods 1. Component and check points (1) Thermistor Room temperature thermistor (TH21) Water inlet thermistor (TH22) Water outlet thermistor (TH23) Disconnect the connector and measure the resistance between terminals with a volt meter. (Ambient temperature 10°C - 30°C) Normal Abnormal...
  • Page 23 [ VII Troubleshooting ] (4) Drain float switch (CN4F) Disconnect the connector, and measure the resistance between terminals with a volt meter. Moving part Switch Magnet Position of the moving part Normal Abnormal Short (any position but short) Down Open (any position but open) - 18 - HWE1114B...

  • 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 (CNMF). Do not unplug the connector CNMF with the unit energized to avoid damage to the indoor control board and fan motor. 2.

  • Page 25: Address Switch Setting

    [ VII Troubleshooting ] 3. Address switch setting Make sure that power to the unit is turned off. 9 10 9 10 The figure at left shows that the switches 1 through 5 are set to ON and 6 through 10 are set to OFF. 9 10 Indoor unit control board Factory setting (all models)

  • Page 26: Voltage Test Points On The Control Board

    [ VII Troubleshooting ] 4. Voltage test points on the control board 1. PEFY-WP20, 25, 32, 40, 50, 63, 71, 80, 100, 125VMA-E Fuse (AC 250V 6.3A) Power supply voltage (220 - CN2M 240VAC) CN2M For M-NET transmission cable connection (24 - 30VDC) Emergency operation Capacity setting CN41...

  • Page 27: Dipswitch Setting (Factory Setting)

    [ VII Troubleshooting ] 5. Dipswitch setting (Factory setting) 1. Function setting (1) SW1 Switch position Function Switch setting Active Thermistor (Intake air Built-in thermistor on the remote Indoor unit thermistor) controller Filter clogging detection Available Unavailable Filter life 2500 hr 100 hr Outdoor air intake Enabled...
  • Page 28 [ VII Troubleshooting ] 2. Capacity code setting (1) SW2 1) Indoor control board Dipswitch settings must be made while the unit is stopped. Factory setting The switches are set to correspond to the unit capacity. PEFY-WP20VMA-E PEFY-WP25VMA-E PEFY-WP32VMA-E PEFY-WP40VMA-E PEFY-WP50VMA-E PEFY-WP63VMA-E PEFY-WP71VMA-E...
  • Page 29 [ VII Troubleshooting ] 5. External static pressure (1) SWA, SWC 1) Indoor control board All models Factory 35Pa 50Pa 70Pa 100Pa 150Pa setting SWA SWC SWA SWC SWA SWC SWA SWC SWA SWC SWA SWC Note: Changes that are made to the dipswitches SWA and SWC immediately become effective regardless of the unit's operation status (RUN/STOP) or the remote controller status (ON/OFF).

  • Page 30: Disassembly Procedure

    [ VIII Disassembly Procedure ] VIII Disassembly Procedure [1] Disassembly Procedure 1. Control box Exercise caution when removing heavy parts. 1. Removing the control box cover (1) Remove the three fixing screws on the cover (A) to re- move it. Fig.1 Fig.2 - 25 -...

  • Page 31: Thermistor (Intake Air)

    [ VIII Disassembly Procedure ] 2. Thermistor (Intake air) Exercise caution when removing heavy parts. 1. Remove the control box cover according to the procedure in section 1. 2. Remove the thermistor. (1) Pull out the thermistor holder (B) and thermistor (C) on the control box.

  • Page 32: Drainpan

    [ VIII Disassembly Procedure ] 3. Drainpan Exercise caution when removing heavy parts. 1. Removing the filter and the bottom plate (1) Push down the tab on the filter, and pull out the filter in the direction of the arrow 1. (2) Remove the fixing screws on the bottom plate (D), (E) to remove it.

  • Page 33: Thermistor (Water Outlet) (Water Inlet)

    [ VIII Disassembly Procedure ] 4. Thermistor (Water outlet) (Water inlet) Exercise caution when removing heavy parts. 1. Remove the drain pan according to the procedure in sec- tion 3. 2. Removing the Heat exchanger cover (1) Remove the four fixing screws on the heat exchanger cov- er (F) to remove it.

  • Page 34: Fan And Fan Motor

    [ VIII Disassembly Procedure ] 5. Fan and fan motor Exercise caution when removing heavy parts. 1. Removing the filter and the bottom plate (1) Push down the tab on the filter, and pull out the filter in the direction of the arrow 1. (2) Remove the fixing screws on the bottom plate (J) to re- move it.

  • Page 35: Heat Exchanger

    [ VIII Disassembly Procedure ] 6. Heat exchanger Exercise caution when removing heavy parts. 1. Remove the drain pan according to the procedure in section 2. Remove the heat exchanger cover according to the proce- dure in section 4. 2. 3.
  • Page 36 www.MitsubishiElectric.com New publication effective May 2017 Specifications subject to change without notice HWE1114B...
  • Page 37 Related Links Model Number: PEFY-WP32VMA-E Durham University, R32 Hybrid VRF PEFY-WP20-50VMA-E Declaration of Conformity PEFY-WP20-50VMA-E Installation Manual (WT06410X02) PEFY-WP20-50VMA-E Instruction Book (WT06411X02) PEFY-WP20-50VMA-E Parts Catalogue (BWE1139A) PEFY-WP20-50VMA-E Service Manual (HWE1114A) PEFY-WP20-80VMA Installation Manual (WT06410X07) PEFY-WP20-80VMA Instruction Book (WT06411X06) PEFY-WP20-80VMA Parts Catalogue (BWE1139B) PEFY-WP20-80VMA Service Manual (HWE1114B) PEFY-WP20-80VMA-E (HVRF) Product Information Sheet...

This manual is also suitable for:

City multi pefy-wp25vma-eCity multi pefy-wp32vma-eCity multi pefy-wp20vma-eCity multi pefy-wp50vma-eCity multi pefy-wp63vma-eCity multi pefy-wp71vma-e ... Show all

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