Mitsubishi Electronics MSH-07NV RA4V19-AA RA4V27-EA, WHT-BLK292 BLK-RED324 WHT-BLK184 BLK-RED251

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Refer to the Service Manual OB185 when MSH-07/09/12NV- E1 , MSH-07/09/12/18NV- E2 , and MSH-18NV- E3 connected with MXZ-32NV- E1 as multi system units.

are

Model

MSH-12NV- E1 E2 (INDOOR UNIT)MSH-18NV- E2 E3 (INDOOR UNIT)

Function

Cooling

Heating

Cooling

Heating

Power supply

Single phase,220-240V,50Hz Single phase,220-240V,50Hz

Capacity

kW

Capacity

Dehumidification

 

R/h

 

 

Air flow

 

K /h

558

756

 

 

Power outlet

 

A

10

10

 

 

Running current

 

A

0.17

0.28

 

 

Power input

 

W

35

60

 

 

Auxiliary heater

 

A(kW)

Electrical data

Power factor

 

%

94-86

97-89

 

 

Starting current

 

A

 

 

Compressor motor current

A

 

 

Fan motor current

 

A

0.17

0.25

Coefficient of performance(C.O.P)

 

 

 

 

Model

 

 

Compressor

 

 

 

 

 

 

 

Output

 

W

 

 

 

 

 

 

 

 

 

Winding resistance(at20:)

"

Indoor

 

Model

 

 

RA4V19-AA

RA4V27-EA

fan motor

 

 

 

 

 

 

Winding resistance(at20:)

"

WHT-BLK292 BLK-RED324 WHT-BLK184 BLK-RED251

Outdoor

 

Model

 

￿

fan motor

 

Winding resistance(at20:)

"￿

 

 

 

Width

mm

815

1015

 

 

Indoor unit

Height

mm

275

320

Dimensions

 

 

Depth

mm

183

190

 

 

Width

mm

 

 

 

 

 

Outdoor unit

Height

mm

 

 

 

Depth

mm

Weight

 

Indoor unit

 

kg

8

14

 

 

 

 

 

 

 

Outdoor unit

 

kg

 

 

 

 

 

Air direction

 

 

5

5

 

 

 

 

 

 

 

 

 

Sound level

Indoor unit

dB

42

42

 

 

(Hi)

Outdoor unit

dB

 

 

Fan speed

Indoor unit

rpm

1,230

1,180

Special remarks

 

(Hi)

Outdoor unit

rpm

 

 

 

 

 

 

 

 

 

Fan speed

Indoor unit

 

4

4

 

 

 

 

 

 

 

 

 

regulator

Outdoor unit

 

 

 

 

 

 

 

 

 

 

Refrigerant filling capacity(R-22)

kg

 

 

 

 

 

 

 

 

 

 

RT11(at25:)

k"

10

10

 

 

Thermistor

RT12(at25:)

k"￿

10

10

 

 

 

RT61(at0:)

k"

NOTE:Test conditions

 

 

Please refer to Service manual OB185 for capacity.

Cooling : Indoor

DB27°C / WB19°C

 

 

 

Outdoor DB35°C / WB24°C

 

 

 

Heating : Indoor

DB20°C /WB15.5°C

Outdoor

DB 7°C / WB 6°C

10

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Contents Contents Technical Changes Indoor Unit Part Names and FunctionsOutdoor Unit Remote Controller MSH-07NV E1 MSH-09NV E1 MSH-12NV E1 MSH-18NV E1 MSH-18NV E2MSH-24NV MSH-07NV E1 MSH-12NV E1 MSH-07NV E2 MSH-12NV E2 MSH-24NV E2MSH-09NV MSH-09NVRC4V19-AA SpecificationRH-135VGHT RH-174VGHT WHT-BLK292 BLK-RED324RH-231VHAT NH-36VMDT RC4V19-AA RA4V27-EARA4V27-EC NH-47VMDTRA6V85-AA Connected with MXZ-32NV- E1 as multi system units AreWHT-BLK292 BLK-RED324 WHT-BLK292 BLK-RED324 WHT-BLK292 BLK-RED324 WHT-BLK184 BLK-RED251 RA4V19-AA RA4V27-EADB27C / WB19C Outdoor DB35C / WB24C Outlines and Dimensions MSH-12NV E2 MUH-12NV E1 MUH-12NV E2 MUH-18NV E1 MUH-18NV E2 MSH-24NV E1 MSH-18NV E2 MSH-24NV E2MSH-18NV E3 MUH-18NV E3MUH-24NV- E1 MUH-24NV- E2 Unit mm inchWiring Diagram MUH-07NV Models Wiring Diagram MUH-09NV Outdoor UnitModel Wiring Diagram F12 FUSE93IC141 MUH-18NV E1Dsar Surge Absorber Hybrid IC Vane MotorMSH-24NV E1 MUH-24NV E1Reversing Valve Coil Relay MSH-09NV E2 MSH-12NV E2Contactor Vane Motor FAN Motor CapacitorMUH-12NV E2 MUH-18NV E2 Model Wiring Diagram Surge Absorber TB,TB2 Terminal Block MUH-24NV E2Hybrid IC FUSE2A FAN Motor RelayIndoor Unit to Outdoor MUH-07NV E1 MUH-07NV E2 Refrigerant System DiagramMSH-07NV Indoor Unit MUH-09NV E1 MSH-09NV E2MSH-18NV E1 MSH-18NV E2 MSH-18NV E3 MUH-18NV E1 MUH-18NV E2 MUH-18NV E3MSH-24NV E1 MUH-24NV E1 MSH-24NV E2 MUH-24NV E2 Outdoor Unit Indoor UnitAdditional Refrigerant CHARGER-22 g MAX. Refrigerant Piping LengthMAX. Height Difference MSH-07NV MSH-09NV MSH-12NV 150Evacuation Proceduresair Purge When vacuumingMain Readings Guaranteed VoltageAIR Flow Indoor Unit Outdoor UnitCool operation Outdoor LOW Pressure and Outdoor Unit CurrentMUH-07NV E1 E2 MUH-18NV E1 E2 E3 MUH-09NV E1 E2MUH-12NV E1 E2 MUH-24NV E1 E2Heat operation Indoor Unit Display Section Microprocessor ControlFeel Control Minus Heat mode Or less Or less Initial room temperature Minus DRY mode 23 orFuzzy control When the room temperature is 23C or over Cool mode of I Feel ControlDRY mode of I Feel Control When the room temperature is under 23COperation time chart Example Heat mode of I Feel ControlIndoor fan speed control High pressure protection RT12 temperatureDefrostings X62 Reversing valve coil 15 sec DRY Operation Cool OperationHeat Auto Vane Operation FAN Motor ControlSleep Mode How to set the timer CancelEMERGENCY-TEST Operation MSH-07NV E1 MSH-18NV E2 MSH-09NV E1 MSH-12NV E1 MSH-18NV E1 Service FunctionsTable.1 No unit Cut J2 2The reset button can be located on the front sideNo unit Cut J1 No unit Cut both J1 and J2MSH-07/09/12 MSH-18/24 MSH-07NV E2 MSH-12NV E2 MSH-18NV E3 MSH-09NV E2 MSH-24NV E2Operation Troubleshooting Instruction of troubleshooting Operation IndicatorPage MSH-18NV- E3 MSH-12NV- E1MSH-12NV- E2 Trouble criterion of main partsCheck of indoor fan motor Inodoor fan does not operateCheck of indoor electronic control P.C. board MSH-07NV MSH-09NV MSH-12NV MSH-24NV Test Point Diagram and Voltage MSH-18NV E1 Indoor electric control P.C.boardMUH-18NV E1 Outdoor deicer P.C. board Deicer P.C. BoardPower supply input MSH-24NV E1 MSH-18NV E2 MSH-24NV E2 MSH-18NV E3 MUH-07NV E1 MUH-09NV E1 MUH-24NV E1 MUH-07NV MUH-12NV MUH-18NVMSH-07NV E1 MSH-07NV E2 Disassembly InstructionsOperating Procedure Photos MSH-09NV E1 MSH-09NV E2 MSH-12NV E1 MSH-12NV E2Removing the vane motor Photo Operating ProcedureRemoving the electrical box Photo Removing the line flow fan and the indoor fan motor PhotoRemoving the electronic control P.C. board Photo MSH-18NV E1 MSH-18NV E3MSH-24NV MSH-18NV Remove the front panel. Refer toRemoving the indoor fan motor and the line flow fan Removing the cabinet Photo MUH-07NV E1 MUH-09NVMUH-07NV MUH-09NV Remove the deicer P.C. boardRemoving the outdoor fan motor Removing the compressor PhotoMUH-12NV MUH-18NV MUH-12NV E1 MUH-18NV MUH-18NV E3Removing the deicer P.C. board Photo Removing the outdoor fan motor Photo Remove the cabinet. Refer toRemoving the electrical parts Outdoor Unit Operating Procedure PhotosRemoving the fan motor Photo Removing the heat exchanger and the compressor Parts List Indoor Unit Heat EXCHANGER1Indoor Unit Electrical Parts TOP Panel Service PanelCabinet FAN GuardPropeller FAN MUH-09NV E1 MUH-07NV E2 MUH-09NV E2MUH-07/09NV- E1 Deicer P.C. BoardOutdoor Unit Structural Parts MUH-12NV E1 MUH-12NV E2 MSH-18NV E2 WH MSH-24NV E2 WH MSH-18NV E3 WH Indoor Unit Structural Parts MSH-18NV E1 WH MSH-24NV E1 WHIndoor Unit Heat Exchanger Parts 1714 Outdoor Unit Structural Parts MUH-18NV E1 MUH-18NV E2 147Outdoor Unit Structural PARTS17 Remote Controller Holder Accessory and Remote Controller PartsRemote Controller Outdoor Unit Structural PartsRefrigerant Pipes AIR Cleaning FilterOptional Parts Deodorizing Filter

MSH-07NV, MSH-09NV, MSH-24NV, MSH-12NV, MSH-18NV specifications

Mitsubishi Electronics has long been recognized for its innovative heating and cooling solutions, particularly in the HVAC industry. Among its notable offerings are the MSH-18NV, MSH-12NV, MSH-24NV, MSH-09NV, and MSH-07NV models, which showcase advanced features and technologies to enhance indoor climate comfort.

One of the standout characteristics of these models is their energy efficiency. Each unit is equipped with an inverter technology that optimizes power consumption by adjusting the compressor's speed according to the cooling or heating requirement. This not only leads to considerable energy savings but also reduces operational costs for users. The units have received high seasonal energy efficiency ratings, making them an environmentally friendly choice.

The MSH series incorporates advanced filtration systems designed to improve indoor air quality. These systems capture dust, pollen, and other allergens, ensuring that the air circulated in residential or commercial spaces remains clean and healthy. Some models feature a dual-layer filter that further enhances dust and odor removal, providing a more comfortable environment for occupants.

In terms of design, the MSH series is sleek and modern, allowing seamless integration into various interiors. The compact size of these units means they can fit into tighter spaces without compromising performance or aesthetics. Moreover, the whisper-quiet operation is another appealing feature, as it ensures minimal noise disruption during cooling or heating periods.

The control mechanisms of the MSH models are user-friendly and versatile. They come equipped with an intuitive remote control, allowing users to easily adjust temperature settings and modes from across the room. Additionally, some models offer smart connectivity features, enabling integration with smart home systems for added convenience and control via mobile devices.

Durability is another key aspect of Mitsubishi's MSH series. They are constructed with high-quality materials designed to withstand various environmental conditions, ensuring longevity and reliable performance. The outdoor units are particularly resilient, featuring weather-resistant components that allow them to operate effectively even in extreme temperatures.

In conclusion, Mitsubishi Electronics' MSH-18NV, MSH-12NV, MSH-24NV, MSH-09NV, and MSH-07NV models represent a blend of energy efficiency, advanced air filtration, user-friendly controls, and durable construction. These units reflect Mitsubishi's commitment to providing high-quality heating and cooling solutions that cater to a wide range of residential and commercial needs while ensuring comfort and convenience for users.