Mitsubishi Electronics MSH-07NV, MSH-09NV, MSH-24NV MSH-12NV- E1, MSH-12NV- E2, MSH-18NV- E3

Models: MSH-07NV MSH-09NV MSH-24NV MSH-12NV MSH-18NV

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10-2-2 Trouble criterion of main parts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MSH-07NV- E1

 

MSH-09NV- E1

 

MSH-12NV- E1

 

 

 

 

 

 

 

 

 

 

 

MSH-18NV- E1

 

MSH-24NV- E1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MSH-07NV- E2

 

MSH-09NV- E2

 

MSH-12NV- E2

 

 

 

 

 

 

 

 

 

 

 

MSH-18NV- E2

 

MSH-24NV- E2

 

MSH-18NV- E3

 

 

 

 

 

 

 

 

 

 

 

Part name

 

 

 

 

 

 

 

 

 

 

 

Check method and criterion

 

 

 

 

Room

 

 

Measure the resistance with a tester.

 

 

 

 

 

 

 

 

 

 

 

temperature

 

 

(Part temperature 10°C ~ 30°C)

 

 

 

 

 

 

 

 

 

 

 

thermistor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

Abnormal

 

 

 

 

Indoor coil

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8kΩ ~ 20kΩ

 

 

 

Opened or short-circuited

 

 

 

thermistor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance with a tester.

 

 

 

 

 

 

 

 

 

 

 

Defrost

 

 

(Part temperature –10°C ~ 40°C)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

thermistor

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5kΩ ~ 60kΩ

 

Opened or short-circuited

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance between the terminals with a tester.

 

 

 

 

(Coil wiring temperature –10°C ~ 40°C)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

07NV

 

 

09NV

 

12NV

 

18NV

 

24NV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C-R

3.67~4.50Ω

 

2.88~3.52Ω

1.85~2.28Ω

 

1.05~1.30Ω

0.85~1.04Ω

 

Opened or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

short-circuited

 

 

 

 

 

 

 

 

C-S

 

 

Ω

 

5.13~6.28

Ω

 

Ω

 

2.38~2.91

Ω

Ω

 

 

 

 

 

 

 

 

 

5.07~6.20

 

 

 

3.44~4.21

 

 

 

1.83~2.23

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance between the terminals with a tester.

 

 

 

 

 

 

 

 

(Coil wiring temperature10°C ~ 30°C)

 

 

 

 

 

 

 

 

 

 

 

 

 

part

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Motor

 

 

 

 

 

 

 

 

 

 

07/09/12NV

 

 

18/24NV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT-BLK

 

 

 

280 ~ 303Ω

 

176 ~ 192Ω

 

 

 

Opened or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK-RED

 

 

 

 

 

Ω

 

 

 

Ω

 

 

short-circuited

 

 

 

 

 

 

313 ~ 336

 

 

 

 

240 ~ 261

 

 

 

 

 

 

 

Indoor fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

motor

 

 

Measure the voltage Power ON.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

part

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sensor

 

 

 

 

BRN-YLW

 

 

4.5 ~ 5.5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW-GRY

(When fan revolved one time)

 

Remain 0V or 5V

 

 

 

 

 

 

 

 

 

 

0V5V0V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Approx.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance between the terminals with a tester. (Coil wiring temperature –10°C ~ 40°C)

Outdoor fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

motor

 

 

 

 

 

 

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

07/09NV

 

12NV

18NV

24NV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT-BLK

192~236Ω

 

114 ~ 141Ω

102 ~ 126Ω

55.3 ~ 67.6Ω

 

 

 

 

 

BLK-RED

373~458Ω

 

118 ~ 146Ω

97.9 ~ 120Ω

 

 

Opened or

 

 

BLK-YLW

 

Ω

 

short-circuited

 

 

 

 

 

 

 

 

 

 

26.6 ~ 32.6

 

 

 

 

 

YLW-RED

 

Ω

 

 

 

 

 

 

 

 

 

 

 

 

 

55.5 ~ 67.8

 

 

 

 

 

Measure the resistance between the terminals with a tester.

 

 

 

 

(Part temperature10°C ~ 30°C)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vane motor

 

Normal

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

07/09/12NV

 

282 ~ 305Ω

 

Opened or short-circuited

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18/24NV

 

358 ~ 388Ω

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure

WHT C

 

P

AUX.

MAIN

S

R

RED

BLK

 

MAIN

AUX.

FUSE

BLK RED WHT

07NV MAIN

09NV AUX.

P

BLK REDWHT

MAIN

12NV AUX.

18NV P

BLK RED ORN WHT

24NV MAIN

AUX.1AUX.2

P

C

BLK YLW REDORN WHT

Vane motor

PNKROTOR

ORN

RED

YLW BLU

PINNER PROTECTOR

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Mitsubishi Electronics MSH-07NV, MSH-09NV MSH-12NV- E1, MSH-12NV- E2, MSH-18NV- E3, Trouble criterion of main parts

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.