Mitsubishi PEFY-P12NMSU-E- Manuals

CONTENTS HWE08010 GB I Features [1] Features.................................................................................................................................... 1 II Components and Functions [1] Components and Functions ...................................................................

[ I Features ] - 1 - HWE08010 GB I Features [1] Features Model Cooling capacity/Heating capacity BTU/h kW PEFY-P06NMSU-E 6000/6700 1.8/2.0 PEFY-P08NMSU-E 8000/9000 2.3/2.6 PEFY-P12NMSU-E 12000/13500 3.5/4.0 PEFY-P15NMSU-E 15000/17000 4.4/5.0 PEFY-P18NMSU-E 18000/20000 5.3/5.9 PEFY-P24NMSU-E 24000/27...

[ II Components and Functions ] - 2 - HWE08010 GB II Components and Functions [1] Components and Functions 1. Indoor (Main) Unit 2. Remote Controller [PAR-21MAA]Once the operation mode is selected, the unit will remain in the selected mode until changed. (1) Remote Controller Buttons ΠKeep the remo...

[ III Specfications ] - 6 - HWE08010 GB 2. Electrical component specifications Component Sym- bol PEFY-P06NMSU-E PEFY-P08NMSU-E PEFY-P12NMSU-E Room temperature thermistor TH21 Resistance 0°C[32°F]/15k , 10°C[50°F]/9.6k , 20°C[68°F]/6.3k , 25°C[77°F]/5.4k , 30°C[86°F]/4.3k , 40°C[104°F]/3.0k Liquid p...

[ IV Outlines and Dimensions ] - 7 - HWE08010 GB IV Outlines and Dimensions [1] Outlines and Dimensions 1. PEFY-P06,08,12,15,18,24NMSU-E mm(in.) (35-7/16) (27-9/16) (19-11/16) (41-3/4) (33-7/8) (26) (47-1/4) (39-3/8) (31-1/2) (39-3/8) (31-1/2) (23-5/8) (41-3/4) (33-7/8) (26) (47-3/16) (39-5/16) (31-...

[ V Wiring Diagram ] - 8 - HWE08010 GB V Wiring Diagram [1] Wiring Diagram 1. PEFY-P06,08,12,15,18,24NMSU-E 8 7 6 5 4 3 2 1 4 3 2 1 1~ M M 4 23 1 M 13 24 1 2 1 4 5 6 7 6 5 3 1 4 3 2 1 135 1 2 13 24 8 13 2 4567 1 3 PARTS LOCATION CONTROL BOX I.B. TB2 TB15 TB5 A.B. INSIDE SECTION OF CONTROL BOX SW5 SW...

[ VII Microprocessor Control ] - 12 - HWE08010 GB Remote controller setting is not acceptable. 3. Drain pump (1) Same control as COOL operation 3. Fan operation 1. Fan(1) Set by remote controller. ΠWhen [Auto] is set, fan speed becomes [Low]. 2. Drain pump (1) Drain pump control ΠThe drain pump tu...

[ VII Microprocessor Control ] - 13 - HWE08010 GB 4. Heat operation 1. Termoregulating function (1) Thermoregulating function (Function to prevent restarting for 3 minutes) Œ Room temperature desired temperature -2°F ···Thermo ON Œ Room temperature desired temperature ···Thermo OFF 2. Fan(1) By the ...

[ VII Microprocessor Control ] - 15 - HWE08010 GB 4. HEAT mode (1) Same control as heat operation The value "3°F" is modifiable from 1.8°F to 9°F by maintenance tool. 6. When unit is stopped control mode 1. Drain pump (1) Drain pump control Œ The drain pump turns ON for the specified amount ...

[ VII Microprocessor Control ] - 17 - HWE08010 GB ΠReference (not applicable to the ducted models) This is applicable only to the R410A series. Make the settings for the following dip switches on the indoor unit control board before switching on the power. 3. PAC-YU25HT (Optional Parts) installatio...

[ VII Microprocessor Control ] - 18 - HWE08010 GB 2) PEFY-P-NMHU-E, PDFY-P-NMU-E and other models ΠFor relay X use the specifications given below Operation coil Rated voltage: 12VDCPower consumption: 0.9W or less* Use the diode that is recommended by the relay manufacturer at both ends of the relay...

[ VIII Troubleshooting ] - 19 - HWE08010 GB VIII Troubleshooting [1] Troubleshooting 1. Check methods 1. Component and check points(1) Thermistor ΠRoom temperature thermistor (TH21) ΠLiquid pipe thermistor (TH22) ΠGas pipe thermistor (TH23) Disconnect the connector and measure the resistance betw...

[ VIII Troubleshooting ] - 20 - HWE08010 GB 1) Summary of linear expansion valve (LEV) operation ΠThe LEV is operated by a stepping motor, which operates by receiving a pulse signal from the indoor control board. ΠThe LEV position changes in response to the pulse signal. Indoor control board and L...

[ VIII Troubleshooting ] - 21 - HWE08010 GB 2) LEV operation ΠWhen the power is turned on, a pulse signal of 2200 pulses is output (valve closure signal), to bring the valve to position A. ΠWhen the valve is operating normally, it is free of vibration noise. If the valve locks or when it goes from...

[ VIII Troubleshooting ] - 24 - HWE08010 GB 3. Address switch setting Make sure that power to the unit is turned off. 1. When using an ME remote controller, set the address with the rotary switches (SW11, SW12). ΠAddress setting is not required when the unit remote controller is used. On-site addre...

[ VIII Troubleshooting ] - 25 - HWE08010 GB 4. Voltage test points on the control board 1. PEFY-P06,08,12,15,18,24NMSU-E Fuse Fuse(AC 250V 6.3A) CND Power supply voltage (208 - 230VAC) CN2M For M-NET transmission cable connection (24 - 30VDC) SWE Emergency operation SW2 Capacity setting SW4 Function...

[ IX Disassembly Procedure ] - 29 - HWE08010 GB IX 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 it. Fig.1 Fig.2 (A)

[ IX Disassembly Procedure ] - 30 - HWE08010 GB 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. Fig.3 (2)...

[ IX Disassembly Procedure ] - 31 - HWE08010 GB 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) t...

[ IX Disassembly Procedure ] - 32 - HWE08010 GB 4. Thermistor (Gas pipe) (Liquid pipe) Exercise caution when removing heavy parts. 1. Remove the drain pan according to the procedure in sec- tion [1]. 2. Removing the Heat exchanger cover(1) Remove the four fixing screws on the heat exchanger cov- er ...

[ IX Disassembly Procedure ] - 35 - HWE08010 GB 7. Heat exchanger Exercise caution when removing heavy parts. 1. Remove the drain pan according to the procedure in section [1]. 2. Remove the heat exchanger cover according to the proce- dure in section [4] 2. 3. Removing the cover(1) Remove the two f...