Mitsubishi Electronics MXZ-24UV - E2 service manual Wiring Diagram, SG79A845H01

Page 10

8 WIRING DIAGRAM

OUTDOOR UNIT

MODELS MXZ-24UV- E1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DS62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

DS61

 

C61

ORN

A

 

L

 

 

C63

RED

C62

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

ORN +

 

 

 

 

+

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

K

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CIRCUIT BRAKER

 

 

 

RED

BLK

LDE

LD63 LD64

LDB

(1A)

SSR61

 

X63

 

X62

 

X61

CN801

1 2 3 4CN704

 

 

CN5144 3 2 1

CN501

T801F801(1A)

TAB63

TAB64

BLK

RED

WHT

 

 

 

BRN

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

TB5

 

 

CT

LDB

 

NOISE FILTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

~/N 230V

GRN/YLW

X64 4

6 BLK

 

 

 

 

61

 

P.C.BOARD

 

 

 

 

 

 

 

 

 

TAB62

 

 

 

V

 

POWER SUPPLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50Hz

 

TB1

 

 

X64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PE

 

 

0

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MC

 

 

 

 

 

 

 

 

 

L61

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LD62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

U

 

W

 

N

BLU

 

 

 

 

 

 

LD61

 

 

 

F911

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TB2

 

1 2

 

 

 

 

 

 

CN913

 

 

 

 

 

 

 

 

1

 

 

1

 

 

 

 

 

 

 

 

 

 

CN720

 

 

CN901

 

CN902

 

1 2 3 4

 

RED

ORN

WHT BLK

YLW BLU

 

CN705

2 3456

 

 

4563 2

CN515

 

 

TAB65

 

 

 

 

INDOOR

 

N

BLU

 

 

 

 

 

 

 

 

 

RED RED

 

 

 

 

 

 

TAB66

 

 

 

UNITINDOORTO 12VCONNECTING

INDOOR

 

N

BLU

121212

CN601CN602CN603

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT (A)

 

 

RED

GRN

 

 

 

 

 

 

 

1 2 3 4 5 6

 

 

 

 

 

 

 

 

CT62

 

 

 

 

3

TB3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT (B)

3

TB4

ORN

 

 

 

 

6

 

 

4

 

21S4

 

 

 

 

 

 

 

 

7

 

 

7

 

 

 

 

 

 

 

 

INDOOR

 

 

 

 

 

 

 

 

 

 

 

 

 

MF61

 

 

 

 

 

 

 

I.P.M P.C. BOARD

 

 

 

 

 

N

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT (C)

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN851

 

CN852

 

ELECTRONIC CONTROL P.C. BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN791

 

CN792

 

CN793

 

 

CN722

CN663

 

CN662

 

 

CN661

 

 

 

 

 

 

 

 

 

 

1 2 3 4 5 6

1 2 3 4 5 6

1 2 3 4 5 6

 

1 2 3 4

1 2

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

 

 

 

 

 

 

 

 

 

 

RED BRN BLU

ORN YLW

WHT

RED BRN BLU ORN YLW

WHT

RED BRN

BLU ORN YLW

WHT

 

RED

RED

 

BLK

BLK

GRY GRY

GRY GRY

GRY

GRY

 

GRY GRY

BLK BLK GRY

GRY

 

 

 

 

 

 

 

 

 

 

 

LEV A

LEV B

LEV C

 

63H1

 

RT65

RT66

RT68

RT62

RT63

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RT67

 

 

 

RT61

 

 

 

 

 

 

BRN GRY

BLK

BLK

ORN

ORN

2 1

CN552

X65

 

CN554

 

CN553

2 1

 

X66

X67

 

CN551

 

 

 

RELAY

P.C. BOARD

WHT

WHT

63H2

SYMBOL

NAME

SYMBOL

NAME

SYMBOL

NAME

C61

POWER FACTOR CAPACITOR

LEV A~C

EXPANSION VALVE

SSR61

SOLENOID COIL RELAY

C62,63

SMOOTHING CAPACITOR

MC

COMPRESSOR

T801

TRANSFORMER

C65

OUTDOOR FAN CAPACITOR

MF61

FAN MOTOR (INNER PROTECTOR)

TB1,2,3,4,5

TERMINAL BLOCK

CT61,62

CURRENT TRANSFORMER

R

RESISTOR

X61,62,63

FAN MOTOR RELAY

DS61

DIODE MODULE

RT61

DISCHARGE TEMPERATURE THERMISTOR

X64,65

RELAY

DS62

DIODE STACK

RT62

DEFROST TEMPERATURE THERMISTOR

X66,67

RELAY

F801

FUSE (1A)

RT63

EVAPORATION TEMPERATURE THERMISTOR

21S4

R.V. COIL

F911

FUSE (1A)

RT65

FIN TEMPERATURE THERMISTOR

63H1

HIGH PRESSURE SWITCH

L

REACTOR

RT66,67

GUS PIPE TEMPERATURE THERMISTOR

63H2

HIGH PRESSURE SWITCH

L61

COMMON MODE CHOKE COIL

RT68

GUS PIPE TEMPERATURE THERMISTOR

 

 

NOTE: 1. About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing.

SG79A845H01

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

 

 

3.Symboles below indicate. : Terminal block

: Connector

 

MODELS MXZ-24UV- E2

BRN GRY

2 1

CN552

X65

POWER SUPPLY

GRN/YLW

 

 

~/N 230V

TB1

 

50Hz

 

 

 

PE

 

 

 

 

 

L

BLK

 

 

N

BLU

 

CIRCUIT BRAKER

 

 

 

INDOOR

TB2

INDOORTOUNIT CONNECTING12V

 

N

UNIT (A)

3

TB3

INDOOR

 

N

UNIT (B)

3

TB4

 

INDOOR

 

 

N

 

UNIT (C)

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DS62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

DS61

 

C61

ORN

A

 

L

 

 

C63

RED

C62

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

+

ORN +

 

 

 

 

+

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

K

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

-

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

BLK

 

 

LD63

LD65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

GRY

 

 

NR63

LD64

 

CT

 

SSR61

NOISE FILTER

 

 

CN801

1 2 3 4CN704

 

CN5144 3 2 1

CN501

T801F801(1A)

TAB63

 

 

RED

WHT

 

 

 

LDE

N

 

LDB

(1A)

 

X63

 

X62

 

 

X61

 

TAB64

BLK

X64 4

6 BLK

 

F912 (3.15A)

 

 

 

61

LDB

 

P.C.BOARD

 

 

 

 

 

 

 

 

TAB62

 

 

 

V

 

 

X64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MC

 

 

 

 

 

 

LD62 L61

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

U

 

W

 

 

 

 

 

LD61

 

 

 

 

 

F911

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 2

 

 

 

 

 

 

 

 

CN913

 

 

 

 

 

 

 

 

1

 

1

 

 

 

 

 

 

 

 

CN720

 

 

CN901

 

 

 

CN902

 

1 2 3 4

 

RED

ORN

WHT BLK

YLW

BLU

 

 

2 34567

 

45673 2

CN515

 

 

TAB65

 

 

 

ORN

2121

CN601CN602

 

 

6

 

 

 

 

4

 

RED RED

 

 

CN705

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

GRN

 

 

 

 

 

 

 

 

 

1 2 3 4 5 6

 

 

 

 

 

 

CT62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAB66

 

 

 

BLU

21

CN603

 

 

 

 

 

 

 

 

 

21S4

 

 

 

MF61

 

 

 

 

 

 

I.P.M P.C. BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN851

 

 

 

CN852

 

ELECTRONIC CONTROL P.C. BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN791

 

CN792

 

 

CN793

 

 

 

CN722

CN663

 

CN662

 

CN661

 

 

 

 

 

 

 

1 2 3 4 5 6

1 2 3 4 5 6

 

1 2 3 4 5 6

 

 

1 2 3 4

 

1 2

 

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

 

 

 

 

 

BLK

BLK

ORN

ORN

CN554

CN553

2 1

X66

X67

 

CN551

 

 

RELAY

P.C. BOARD

WHT

WHT

63H2

RED BRN BLU ORN YLW WHT

RED BRN BLU ORN YLW WHT

RED BRN BLU ORN YLW WHT

RED RED

BLK BLK

GRY GRY GRY GRY GRY GRY

GRY GRY BLK BLK GRY GRY

 

LEV A

LEV B

LEV C

63H1

RT65

RT66

RT68

RT62

RT63

 

 

 

 

RT67

RT61

 

 

 

 

 

 

 

 

 

 

 

 

SYMBOL

NAME

 

SYMBOL

 

NAME

 

 

 

SYMBOL

NAME

C61

POWER FACTOR CAPACITOR

MC

COMPRESSOR

 

 

 

 

TB1,2,3,4,5

TERMINAL BLOCK

C62,63

SMOOTHING CAPACITOR

 

MF61

FAN MOTOR (INNER PROTECTOR)

 

X61,62,63

FAN MOTOR RELAY

C65

OUTDOOR FAN CAPACITOR

 

R

RESISTOR

 

 

 

 

 

X64,65

RELAY

CT61,62

CURRENT TRANSFORMER

 

RT61

DISCHARGE TEMPERATURE THERMISTOR

 

X66,67

RELAY

DS61

DIODE MODULE

 

RT62

DEFROST TEMPERATURE THERMISTOR

 

21S4

R.V. COIL

DS62

DIODE STACK

 

RT63

EVAPORATION TEMPERATURE THERMISTOR

 

63H1

HIGH PRESSURE SWITCH

F801

FUSE (1A)

 

RT65

FIN TEMPERATURE THERMISTOR

 

 

63H2

HIGH PRESSURE SWITCH

F911

FUSE (1A)

 

RT66,67

GUS PIPE TEMPERATURE THERMISTOR

 

F912

FUSE (3.15A)

L

REACTOR

 

RT68

GUS PIPE TEMPERATURE THERMISTOR

 

NR63

VARISTOR

L61

COMMON MODE CHOKE COIL

SSR61

SOLENOID COIL RELAY

 

 

 

 

LEV A~C

EXPANSION VALVE

 

T801

TRANSFORMER

 

 

 

 

 

 

NOTE: 1. About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing.

SG79Y088H01

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

 

 

3.Symboles below indicate. : Terminal block

: Connector

 

10

Image 10
Contents Contents MXZ-24UV E1 MXZ-24UV E2Technical Changes MXZ-24UV E1 MXZ-24UV E2Part Names and Functions Outdoor UnitIndoor / Outdoor Correspondence Table Outdoor UnitIndoor Units Combination 07+071930 7.2 470-2300 Specification MXZ-24UV E1 , MXZ-24UV E20dB = Test conditions Cooling DB35 WB24Heating DB Band Center FREQUENCIES, HzOutlines and Dimensions Unit mmWiring Diagram SG79A845H01Refrigerant System Diagram UnitmmCWB Capacity and the Input CurvesCDB Capacity and input correction by inverter output frequency Class unit in single operationAmbient temperature Or any button on remote controller33Hz Ambient temperature/ Ambient humidity% Heat operationCurrent 33HzOutdoor 45Hz 10 15 20 Inverter Multi System Control Microprocessor ControlSSR61 LEV control Cool DRY Heat CorrectionSuction superheat S.H LEV opening Min Max Rated Operational frequency rangeMin Max DRY CoolHeat defrosting control Discharge temperature protection controlHigh pressure protection Relation between main sensor and actuator Refrigerant recovery control on heatingOutdoor fan control Relation between main sensor and actuatorBefore troubleshooting, check the following TroubleshootingInstruction of troubleshooting Lead wiring Housing point Troubleshooting procedureTroubleshooting check table LEVOutdoor unit operates Trouble criterion of main parts Outdoor unit does not operate. LED display display OFF Outdoor unit does not operate. LED displayWhen heating operation does not work. Start When cooling operation does not work. StartCheck the resistance Power supply of outdoor unit wasTurned off, disconnect the connector Minutes or more normal Relay P. C. boardLED Infinity Return CN722 to formerTest Point Diagram and Voltage MXZ-24UV E1 , MXZ-24UV E2 Electronic control P.C.boardOutdoor FAN 230V AC Reversing Valve 230V AC Noise filter P.C.board MXZ-24UV E1MXZ-24UV E2 M P.C.board MXZ-24UV E1 MXZ-24UV E2 Relay P.C.board MXZ-24UV E1 MXZ-24UV E2Removing the compressor Photo Disassembly InstructionsOutdoor Unit Operating Procedure Photos Discharge pipe brazed part Suction pipe braxed partRemoving the 4-way valve Photo 1Remove the service panel.See PhotoRemoving the fan motor 1Remove the screws of the top panel , and remove it.SeeOperating Procedure Photos Removing the reactorParts List Outdoor Unit Functional Parts MXZ-24UV E1Outdoor Unit Structural Parts MXZ-24UV E1 6 7Accessory Parts MXZ-24UV E1 MXZ-24UV E2 MXZ-24UV MAC-855SG MXZ-24UV51H-855 Page Made in Japan

MXZ-24UV - E2, MXZ-24UV specifications

Mitsubishi Electronics has established itself as a leader in the HVAC (heating, ventilation, and air conditioning) industry with its MXZ-24UV and MXZ-24UV - E2 models. These multi-zone heat pump systems are designed to provide exceptional efficiency, comfort, and versatility for residential and commercial applications.

One of the main features of the MXZ-24UV is its ability to effectively cool and heat multiple rooms simultaneously. This system allows for the connection of up to four indoor units, enabling users to customize the climate in different spaces while maintaining energy efficiency. This zoning capability ensures you can maintain the perfect temperature in each room according to the occupants' preferences.

The MXZ-24UV incorporates advanced inverter technology, which allows the compressor to adjust its speed based on the required heating or cooling demand. This results in reduced energy consumption compared to conventional systems, providing significant savings on energy bills while also promoting a more consistent indoor temperature. The inverter-driven compressor operates quietly and efficiently, making it a suitable choice for residential areas.

Additionally, these models are equipped with a range of smart technologies. The built-in Wi-Fi capability allows homeowners to control the system remotely using a smartphone or tablet. This feature adds convenience and flexibility, enabling users to adjust settings from anywhere, ensuring their space is at the desired temperature upon arrival.

Durability is another essential characteristic of the MXZ-24UV and MXZ-24UV - E2 models. Mitsubishi has designed these units to withstand various weather conditions, enhancing longevity and reliability. The units feature a robust construction that minimizes wear and tear while ensuring dependable performance year after year.

Moreover, the system has a variety of indoor unit options, including wall-mounted, ceiling-mounted, and floor-mounted designs. This versatility makes it easy to integrate into different architectural styles and preferences, ensuring both aesthetics and functionality.

In summary, the Mitsubishi Electronics MXZ-24UV and MXZ-24UV - E2 models are designed for those seeking energy efficiency, flexibility, and durability in a multi-zone heating and cooling system. With advanced inverter technology, smart home capabilities, and a range of indoor unit styles, these systems offer exceptional comfort while minimizing energy costs, making them a top choice in the HVAC market.