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

Page 23

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

Image 23
Contents Contents Technical Changes Outdoor Unit Part Names and FunctionsIndoor Unit MSH-07NV E1 MSH-09NV E1 MSH-12NV E1 MSH-18NV E1 MSH-18NV E2 Remote ControllerMSH-09NV MSH-07NV E1 MSH-12NV E1 MSH-07NV E2 MSH-12NV E2 MSH-24NV E2MSH-09NV MSH-24NVWHT-BLK292 BLK-RED324 SpecificationRH-135VGHT RH-174VGHT RC4V19-AARC4V19-AA RA4V27-EA RH-231VHAT NH-36VMDTRA6V85-AA NH-47VMDTRA4V27-EC WHT-BLK292 BLK-RED324 WHT-BLK292 BLK-RED324 AreConnected with MXZ-32NV- E1 as multi system units DB27C / WB19C Outdoor DB35C / WB24C RA4V19-AA RA4V27-EAWHT-BLK292 BLK-RED324 WHT-BLK184 BLK-RED251 Outlines and Dimensions MSH-12NV E2 MUH-12NV E1 MUH-12NV E2 MUH-18NV E3 MSH-24NV E1 MSH-18NV E2 MSH-24NV E2MSH-18NV E3 MUH-18NV E1 MUH-18NV E2Unit mm inch MUH-24NV- E1 MUH-24NV- E2MUH-07NV Models Wiring Diagram MUH-09NV Outdoor Unit Wiring DiagramF12 FUSE93 Model Wiring DiagramHybrid IC Vane Motor MUH-18NV E1Dsar Surge Absorber IC141MUH-24NV E1 MSH-24NV E1FAN Motor Capacitor MSH-09NV E2 MSH-12NV E2Contactor Vane Motor Reversing Valve Coil RelayMUH-12NV E2 MUH-18NV E2 Model Wiring Diagram FUSE2A FAN Motor Relay MUH-24NV E2Hybrid IC Surge Absorber TB,TB2 Terminal BlockIndoor Unit to Outdoor MUH-09NV E1 MSH-09NV E2 Refrigerant System DiagramMSH-07NV Indoor Unit MUH-07NV E1 MUH-07NV E2MUH-18NV E1 MUH-18NV E2 MUH-18NV E3 MSH-18NV E1 MSH-18NV E2 MSH-18NV E3Outdoor Unit Indoor Unit MSH-24NV E1 MUH-24NV E1 MSH-24NV E2 MUH-24NV E2MSH-07NV MSH-09NV MSH-12NV 150 MAX. Refrigerant Piping LengthMAX. Height Difference Additional Refrigerant CHARGER-22 gWhen vacuuming Evacuation Proceduresair PurgeIndoor Unit Outdoor Unit Guaranteed VoltageAIR Flow Main ReadingsMUH-07NV E1 E2 Outdoor LOW Pressure and Outdoor Unit CurrentCool operation MUH-24NV E1 E2 MUH-09NV E1 E2MUH-12NV E1 E2 MUH-18NV E1 E2 E3Heat operation Feel Control Microprocessor ControlIndoor Unit Display Section Fuzzy control Or less Initial room temperature Minus DRY mode 23 orMinus Heat mode Or less When the room temperature is under 23C Cool mode of I Feel ControlDRY mode of I Feel Control When the room temperature is 23C or overIndoor fan speed control Heat mode of I Feel ControlOperation time chart Example Defrostings RT12 temperatureHigh pressure protection X62 Reversing valve coil 15 sec Heat Cool OperationDRY Operation FAN Motor Control Auto Vane OperationSleep Mode Cancel How to set the timerEMERGENCY-TEST Operation Table.1 Service FunctionsMSH-07NV E1 MSH-18NV E2 MSH-09NV E1 MSH-12NV E1 MSH-18NV E1 No unit Cut both J1 and J2 2The reset button can be located on the front sideNo unit Cut J1 No unit Cut J2Operation MSH-07NV E2 MSH-12NV E2 MSH-18NV E3 MSH-09NV E2 MSH-24NV E2MSH-07/09/12 MSH-18/24 Troubleshooting Operation Indicator Instruction of troubleshootingPage Trouble criterion of main parts MSH-12NV- E1MSH-12NV- E2 MSH-18NV- E3Inodoor fan does not operate Check of indoor fan motorCheck of indoor electronic control P.C. board MSH-07NV MSH-09NV MSH-12NV MSH-24NV MSH-18NV E1 Indoor electric control P.C.board Test Point Diagram and VoltageDeicer P.C. Board MUH-18NV E1 Outdoor deicer P.C. boardPower supply input MSH-24NV E1 MSH-18NV E2 MSH-24NV E2 MSH-18NV E3 MUH-07NV MUH-12NV MUH-18NV MUH-07NV E1 MUH-09NV E1 MUH-24NV E1MSH-09NV E1 MSH-09NV E2 MSH-12NV E1 MSH-12NV E2 Disassembly InstructionsOperating Procedure Photos MSH-07NV E1 MSH-07NV E2Removing the line flow fan and the indoor fan motor Photo Operating ProcedureRemoving the electrical box Photo Removing the vane motor PhotoRemove the front panel. Refer to MSH-18NV E1 MSH-18NV E3MSH-24NV MSH-18NV Removing the electronic control P.C. board PhotoRemoving the indoor fan motor and the line flow fan Remove the deicer P.C. board MUH-07NV E1 MUH-09NVMUH-07NV MUH-09NV Removing the cabinet PhotoRemoving the compressor Photo Removing the outdoor fan motorRemoving the deicer P.C. board Photo MUH-12NV E1 MUH-18NV MUH-18NV E3MUH-12NV MUH-18NV Remove the cabinet. Refer to Removing the outdoor fan motor PhotoRemoving the fan motor Photo Outdoor Unit Operating Procedure PhotosRemoving the electrical parts Removing the heat exchanger and the compressor Indoor Unit Heat EXCHANGER1 Parts ListIndoor Unit Electrical Parts FAN Guard Service PanelCabinet TOP PanelDeicer P.C. Board MUH-09NV E1 MUH-07NV E2 MUH-09NV E2MUH-07/09NV- E1 Propeller FANOutdoor Unit Structural Parts MUH-12NV E1 MUH-12NV E2 Indoor Unit Heat Exchanger Parts Indoor Unit Structural Parts MSH-18NV E1 WH MSH-24NV E1 WHMSH-18NV E2 WH MSH-24NV E2 WH MSH-18NV E3 WH 1714 147 Outdoor Unit Structural Parts MUH-18NV E1 MUH-18NV E2Outdoor Unit Structural PARTS17 Outdoor Unit Structural Parts Accessory and Remote Controller PartsRemote Controller Remote Controller HolderDeodorizing Filter AIR Cleaning FilterOptional Parts Refrigerant Pipes

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.