MSH-18NV - E3

MODEL WIRING DIAGRAM

INDOOR UNIT TO OUTDOOR

LTBBRN

 

 

 

 

 

 

 

 

 

 

 

UNIT

 

 

 

 

 

 

 

 

CN

 

RT12

CONNECTING

BRN

 

 

 

 

 

 

HIC1

IC141

112

 

12VDC

 

 

 

 

 

 

 

 

 

3

 

RED

 

 

 

 

 

 

 

 

 

F12

 

 

 

 

 

 

 

3

 

 

 

BLU

 

 

 

 

 

NR11 C11

CN

BRN

220-240V~2

2

 

 

 

4

52C

WHT

BLU

 

 

CN201

121

 

YLW

 

 

 

1

 

 

3

 

 

 

N

 

 

 

 

 

3

 

 

CN211

 

GRY

 

BLU

 

 

BLU

 

TRANS

 

WHT MF

 

 

 

1

 

4

 

 

BLU

BRN

 

 

 

 

 

F11

 

2

 

RED

 

 

 

 

 

 

 

 

BLK

POWER

 

 

RN/YLWG

LD1

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

SUPPLY

 

 

CN

CN

 

CN

 

 

 

CN

 

RT11

CORD

 

DSAR

101

102

 

151 ELECTRONIC CONTROL P.C BOARD

111

 

~/N 220-240V

 

 

 

5

 

 

 

 

 

 

50Hz

 

 

 

 

 

 

 

 

 

 

 

 

3

3

 

 

 

 

 

 

 

 

 

 

MV

 

 

 

 

 

 

 

 

GRN/YLW

 

 

 

 

 

 

CIRCUIT BREAKER

 

RECEIVER

 

DISPLAY

 

 

 

 

 

 

 

P.C.BOARD

 

P.C.BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FOR MULTI SYSTEM

 

L

 

12VDC 3

 

TO OUTDOOR

2

REMOTE

UNIT

N

CONTROLLER

CONNECTING

 

 

SYMBOL

NAME

SYMBOL

NAME

SYMBOL

NAME

C11

INDOOR FAN CAPACITOR

NR11

VARISTOR

TB

TERMINAL BLOCK

F12

FUSE(93:)

RT11

ROOM TEMPERATURE THERMISTOR

DSAR

SURGE ABSORBER

F11

FUSE(3.15A)

RT12

INDOOR COIL THERMISTOR

HIC1

DC/DC CONVERTER

 

 

 

 

 

 

MF

INDOOR FAN MOTOR

IC141

HYBRID IC

 

 

 

 

 

 

 

 

MV

VANE MOTOR

52C

CONTACTOR

 

 

NOTE:1. For the outdoor electric wiring refer to the outdoor unit electric wiring diagram for servicing.

2.Use copper conductors only.(For field wiring)

3.Symbols below indicate.

: Terminal block, : Connector

MUH-18NV - E3

MODEL WIRING DIAGRAM

OUTDOOR UNIT

 

 

 

 

 

 

 

 

 

 

21S4

 

52C

 

 

 

 

 

 

 

 

 

 

 

RT61

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

BLK

 

VLT

VLT

 

 

 

 

 

 

 

 

TB

 

 

 

 

 

 

 

 

 

MF

 

 

 

 

 

CN730 CN661

 

 

 

 

 

 

 

 

 

 

 

12VDC

3

RED

CN721

 

CN720

 

 

 

 

 

 

 

 

 

 

 

1

F61

 

X62

 

 

 

 

 

 

 

 

 

TO UNITINDOOR

CONNECTING

220-240V~2

WHT

 

 

 

 

 

 

RED

1

RED

 

 

IC881

 

NR61

 

X62

CN711

 

 

 

 

 

 

 

 

 

 

 

 

SR61

C65

1

 

 

 

 

 

 

 

 

 

TAB21

 

 

 

 

 

 

2

WHT 2 ORN

 

 

 

 

N

BLU

 

 

 

 

 

 

 

 

 

3

 

3 WHT

 

 

 

 

 

 

 

TRANS

 

 

 

 

4

BLK 4 BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN/YLW

 

DSAR

TAB20

52C

COM

 

WHT

 

 

 

 

 

 

 

 

 

WHT NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEICER P.C.BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

RED

 

MC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYMBOL

NAME

 

SYMBOL

 

NAME

 

 

SYMBOL

 

 

 

NAME

C1

COMPRESSOR CAPACITOR

MF

OUTDOOR FAN MOTOR

X62

REVERSING VALVE COIL RELAY

C65

OUTDOOR FAN MOTOR CAPACITOR

NR61

VARISTOR

21S4

REVERSING VALVE COIL

 

 

 

 

 

 

DSAR

SURGE ABSORBER

RT61

DEFROST THERMISTOR

52C

CONTACTOR

 

 

 

 

 

 

F61

FUSE(2A)

SR61

SOLID STATE RELAY

IC881

DC/DC CONVERTER

MC

COMPRESSOR<INNER THERMOSTAT>

TB

TERMINAL BLOCK

 

 

NOTE:1. Use copper conductors only.(For field wiring)

2.Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers.

3.Symbols below indicate.

: Terminal block, : Connector

4.”show the terminals with a lock mechanism, so they cannot be removed when you pull the lead wire.

Be sure to pull the wire by pushing the locking lever(projected part) of the terminal with a finger.

1.Slide the sleeve. 2.Pull the wire while

pushing the locking lever.

23

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Mitsubishi Electronics MSH-07NV, MSH-12NV, MSH-09NV, MSH-24NV service manual MSH-18NV E3, Indoor Unit to Outdoor

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.