Mitsubishi Electronics PMFY-P06NBMU-E1, PMFY-P08NBMU-E1, PMFY-P12NBMU-E1 service manual SW4

Page 26

9-4. TEST POINT DIAGRAM

PMFY-P06NBMU-E PMFY-P08NBMU-E PMFY-P12NBMU-E PMFY-P15NBMU-E

PMFY-P06NBMU-E1PMFY-P08NBMU-E1

PMFY-P12NBMU-E1PMFY-P15NBMU-E1

 

 

 

 

 

 

CN32

 

 

 

 

 

SW2

SW3

Connector

SW4

 

 

(Remote switch)

 

 

Capacity setting

Function setting

Model selection

 

 

 

 

 

CN27

 

 

 

 

 

 

 

Connector

 

 

 

 

 

 

 

(Damper)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNP

CN25

 

 

 

 

 

 

 

 

 

 

Drain pump output

Connecter

 

 

 

 

 

 

 

 

 

 

(DP)

(Humidifier)

 

 

 

 

 

 

 

 

 

 

Between 1 to 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208-230V AC

 

 

 

 

 

 

 

 

 

CND

 

 

 

 

 

 

 

 

 

Connect to the

 

 

 

 

 

 

 

 

 

terminal block (TB2)

 

 

 

 

 

 

 

 

 

(Power supply for

 

 

 

 

 

 

 

 

 

indoor controller

CN6V

 

 

 

 

 

 

 

board connecting

 

 

 

 

 

 

Vane motor output

 

 

 

 

 

wire)

(MV)

 

 

 

 

 

Between 1 to 3

 

 

 

 

 

 

 

 

 

208-230V AC

CN52

Remote indication

FUSE 6.3A 250V

CN51

Centrally control

CN41

 

 

HA terminal-A

 

 

CN60

 

 

Linear expansion

 

 

valve output (LEV)

 

 

CN20

 

 

Room temperature

 

 

thermistor (TH21)

 

 

CN21

 

 

Pipe temperature

 

 

thermistor/Liquid

 

 

(TH22)

 

 

CN29

 

 

Pipe temperature

 

 

thermistor/Gas

 

 

(TH23)

 

 

CN31

 

 

Drain sensor (DS)

LED2

CN3A

 

 

Power supply (R.B)

Connect to the terminal block (TB15)

 

 

(MA-Remote controller connecting wire)

 

 

Between 1 to 3 8.7-13V DC (Pin1 (+))

CN2M

Connect to the terminal block (TB5) (M-NET transmission connecting wire) 24-30V DC (non-polar)

FAN

Fan motor output (MF)

LED1

Power supply (I.B) (Indoor unit :

208-230V)

26

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Contents Contents Revised EDITION-BFeatures Technical ChangesReturns air from room Part Names and FunctionsRemove dust and pollutants from return air Display Section ˚F˚CSpecification SpecificationsElectrical Parts Specifications WNote Refer to Wiring Diagram for the supplied voltageOperation in conjunction with duct fan Booster fan How to read curvesAIR Capacity Taken from Outside PMFY-P08NBMU-E Noise Criterion Curves PMFY-P06NBMU-EPMFY-P15NBMU-E PMFY-P12NBMU-EIndoor Installation space required aroundRight side TopWiring Diagram PMFY-P06NBMU-E PMFY-P08NBMU-EE1PMFY-P15NBMU-E1 PMFY-P06NBMU-E1PMFY-P08NBMU-E1Pmfy Refrigerant System Diagram Unitin.mmIndoor Unit Control 8-1. Cool Operation How to operateMicroprocessor Control Pressed once. Cooling 67 to 87FBasic control system Control modes Drain pump VaneDrain sensor function Pressed once. Dry 67 to 87F Desired temperatureDRY Operation Drain pump Same control as Cool operation VaneOn the vanes downward blow setting FAN OperationDisplay in Heat operation Defrost Heat OperationPressed once. Heating 63 to 83F From the preceding When Unit is Stopped Auto Operation Automatic COOL/HEAT Change Over OperationTrouble Shooting Linear expansion valve Operation summary of the linear expansion valveLinear expansion valve operation Output PhaseTrouble shooting Replace the fan motor TroubleshootingAny broken wire by using a tester Replace the fuse Indoor controller board fuse check YesFunction of DIP Switch Operation by switch Effective Switch Pole SW11SW14 Switch SW12SW4 Disassembly Procedure Operating Procedure PHOTOS&ILLUSTRATIONSRemoving the vane motor Removing the electrical parts boxRemoving the nozzle Removing the fan motor and line flow fan Removing the thermistorRoom temperature detectionRemoving the drain pump Drawing No Part Name SpecificationQty/set Remarks E11 003Part number that is circled is not shown in the figure Electrical Parts PMFY-P06NBMU-E PMFY-P08NBMU-E R01 E01 E07 E14 E15 RoHSE16 E04R01 E32 114 R01 23A 102R01 E04 103 R01 E01 079R01 E27 246 Qty/setE41 716 R01 E21 246Made in Japan

PMFY-P08NBMU-E, PMFY-P12NBMU-E1, PMFY-P08NBMU-E1, PMFY-P06NBMU-E, PMFY-P12NBMU-E specifications

Mitsubishi Electronics has long been a pioneer in the field of air conditioning and climate control technologies. Among their impressive lineup of products is the PMFY series, which includes models such as the PMFY-P06NBMU-E1, PMFY-P12NBMU-E, PMFY-P06NBMU-E, PMFY-P08NBMU-E1, and PMFY-P12NBMU-E1. These advanced air conditioning systems are engineered to offer optimal comfort, energy efficiency, and innovative features for both residential and commercial applications.

One of the standout features of the PMFY series is its exceptional energy efficiency. Many models are equipped with advanced inverter technology, which allows for precise temperature control while significantly reducing energy consumption. This results in lower electricity bills and a reduced carbon footprint, making them an environmentally friendly choice for conscientious consumers.

Another key characteristic of the PMFY series is its advanced filtration system. These units are designed to improve indoor air quality by incorporating high-performance filters that effectively remove dust, allergens, and other pollutants. This is especially beneficial for individuals with respiratory conditions, contributing to a healthier indoor environment.

The PMFY models also boast a sleek and modern design, ensuring they blend seamlessly with any interior décor. Compact and lightweight, they can be installed in various settings, maximizing available space without compromising on performance.

Mitsubishi’s proprietary technology features an intelligent control system that allows users to manage their air conditioning units remotely. With options for Wi-Fi connectivity and compatibility with smart home systems, users can easily set schedules, adjust temperatures, and monitor energy usage from their smartphones or tablets.

Noise reduction is another important aspect of the PMFY series. These units operate at whisper-quiet levels, ensuring a peaceful atmosphere in homes and workplaces. This noise control technology is particularly advantageous for bedrooms, offices, and other quiet environments.

Lastly, the PMFY series is designed to be robust and reliable, with components that are engineered for durability and long life. Mitsubishi Electronics stands behind their products with comprehensive warranties, providing peace of mind and exceptional customer service.

In summary, the Mitsubishi Electronics PMFY-P06NBMU-E1, PMFY-P12NBMU-E, PMFY-P06NBMU-E, PMFY-P08NBMU-E1, and PMFY-P12NBMU-E1 are exemplary models that embody the essence of innovation, efficiency, and reliability. They represent the ideal choice for those seeking advanced climate control solutions suitable for a variety of spaces.