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Consult your dealer for repair. It may also be in violation of applicable laws. MITSUBISHI ELECTRIC CORPORATION cannot be held Improper repair may result in water leakage, electric shock, responsible for malfunctions or accidents resulting from the or fire.
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Mitsubishi Electric may result in smoke, fire, or Infiltration of any other types of refrigerant or air into the unit explosion.
CONTENTS I Features [1] Features............................ 1 II Components and Functions [1] Components and Functions...................... 2 III Specfications [1] Specifications..........................3 1.Specfications .......................... 3 2.Electrical component specifications..................5 IV Outlines and Dimensions [1] Outlines and Dimensions......................6 V Wiring Diagram [1] Wiring Diagram ......................... 8 VI Refrigerant System Diagram [1] Refrigerant system diagram....................
[ I Features ] I Features [1] Features Model Cooling capacity/Heating capacity PEFY-WP10VMS1-E 1.2/1.4 PEFY-WP15VMS1-E 1.7/1.9 PEFY-WP20VMS1-E 2.2/2.5 PEFY-WP25VMS1-E 2.8/3.2 PEFY-WP32VMS1-E 3.6/4.0 PEFY-WP40VMS1-E 4.5/5.0 PEFY-WP50VMS1-E 5.6/6.3 - 1 - HWE1209A...
[ IV Outlines and Dimensions ] IV Outlines and Dimensions [1] Outlines and Dimensions 1. PEFY-WP10, 15, 20, 25, 32, 40, 50VMS1-E Unit : mm Space required for service and maintenance. Provide an access door for maintenance at the bottom. Note 1 Use M10 screw for the suspension bolt (field supply).
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[ IV Outlines and Dimensions ] Unit : mm - 7 - HWE1209A...
[ 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-WP10, 15, 20, 25, 32, 40, 50VMS1-E Water outlet Rc3/4 screw Water inlet...
[ 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 tester. (Ambient temperature 10°C - 30°C) Normal Abnormal...
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[ VII Troubleshooting ] (4) Drain float switch (CN4F) Disconnect the connector, and measure the resistance between terminals with a tester. Moving part Switch Magnet Position of the moving part Normal Abnormal Short (any position but short) Down Open (any position but open) - 12 - HWE1209A...
[ 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.
[ VII Troubleshooting ] 3. Address switch setting Make sure that power to the unit is turned off. 9 10 Indoor unit control board Factory setting (all models) 1. When using an ME remote controller, set the address with the rotary switches (SW11, SW12). Address setting is not required when the unit remote controller is used.
[ VII Troubleshooting ] 4. Voltage test points on the control board Fuse Fuse(AC 250V 6.3A) Power supply voltage (220 - Fuse 240VAC) CN2M For M-NET transmission cable connection (24 - 30VDC) Emergency operation Capacity setting Function setting CN42 For address board connection Function setting CN81 For address board connection...
[ 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...
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[ 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-WP10VMS1-E PEFY-WP15VMS1-E PEFY-WP20VMS1-E PEFY-WP25VMS1-E PEFY-WP32VMS1-E PEFY-WP40VMS1-E PEFY-WP50VMS1-E...
[ VII Troubleshooting ] 6. Connection No. setting (1) SW14 (Rotary switch) This switch is used when the unit connected to an R2 series of outdoor unit. 1) Address board Factory setting Note: Changes to the dipswitches SW11, SW12, SW14, and SW15 must be made while the unit is stopped and the remote controller is OFF.
[ 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 two fixing screws on the cover (A) to remove Fig.1 Fig.2 - 19 - HWE1209A...
[ 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) Remove the two fixing screws on the metal base (B) to re- move it.
[ 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.
[ 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.
[ 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.
[ VIII Disassembly Procedure ] 6. Bearing P40, P50, P63 models only. Exercise caution when removing heavy parts. 1. Removeing the bearing (1) Remove the two fixing screws on the bearing cover (M) to remove it. Fig.14 (2) Remove the two bearing retainer screws to remove the bearing.
[ VIII Disassembly Procedure ] 7. 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.
[ VIII Disassembly Procedure ] 8. Drain pump Exercise caution when removing heavy parts. 1. Remove the drain pan according to the procedure in section 2. Removing the air-vent pipe (1) Remove the air-vent pipe (a) from the cable strap (b). Fig.18 3.
[ VIII Disassembly Procedure ] 9. Float Switch Exercise caution when removing heavy parts. 1. Remove the drain pan according to the procedure in section 2. Removing the air-vent pipe (1) Remove the air-vent pipe (a) from the cable strap (b). Fig.20 3.
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New publication, effective Mar. 2017 Mar. 2017 HWE1209A Printed in Japan Specifications subject to change without notice...