Mitsubishi Electronics PUZ-A18NHA2, PUZ-A42NHA2-BS, PUZ-A30NHA2 WUse copper supply wires

Page 18

PUZ-A30/36NHA2 PUZ-A30/36NHA2-BS PUY-A30/36NHA2 PUY-A30/36NHA2-BS

[LEGEND]

SYMBOL

NAME

 

SYMBOL

NAME

 

SYMBOL

NAME

TB1

Terminal Block<Power Supply, Indoor/Outdoor >

P.B.

Power Circuit Board

 

SW4

Switch<Test Operation>

MC

Motor for Compressor

 

TABU/V/W

Connection Terminal<U/V/W-Phase>

 

SW5

Switch<Function Switch>

MF1

Fan Motor

 

TABS/T

Connection Terminal<L1/L2-Phase>

 

SW6

Switch<Model Select>

21S4

Solenoid Valve (Four-Way Valve)

 

TABP1/P2

Connection Terminal<DC Voltage>

 

SW7

Switch<Function Setup>

SV

Solenoid Valve (Bypass Valve)

 

TABN1/N2

Connection Terminal<DC Voltage>

 

SW8

Switch<Function Setup>

63H

High Pressure Switch

 

DS2, DS3

Diode Bridge

 

SW9

Switch

TH3

Thermistor<Outdoor Pipe>

 

IPM

Power Module

 

SWP

Switch<Pump Down>

TH4

Thermistor<Discharge>

N.F.

Noise Filter Circuit Board

 

CN31

Connector<Emergency Operation>

TH6

Thermistor<Outdoor 2-Phase Pipe>

 

LI/LO

Connection Lead<L1-Phase>

 

LED1,LED2

LED<Operation Inspection Indicators>

TH7

Thermistor<Outdoor>

 

NI/NO

Connection Lead<L2-Phase>

 

SS

Connector<Connection for Option>

TH8

Thermistor<Heatsink>

 

EI, E2

Connection Terminal<Ground>

 

CNM

Connector<A-Control Service Inspection Kit>

LEV-A

Electronic Expansion Valve

 

52C

52C Relay

 

CNMNT

Connector<Connected to Optional M-NET Adapter Board>

DCL

Reactor

C.B.

Controller Circuit Board

 

CNVMNT

Connector<Connected to Optional M-NET Adapter Board>

CY1, CY2

Capacitor

 

F1~F4

Fuse<T6.3AL250V>

 

CNDM

Connector< Connection for Option (Contact Input)>

ACTM

Active Filter Module

 

SW1

Switch<Forced Defrost, Defect History Record

 

X51,X52,X55

Relay

 

 

 

 

Reset, Refrigerant Address>

 

 

When M-NET adapter is connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

63H

 

 

LEV-A

 

 

 

 

 

 

 

 

 

 

 

 

TH7TH6

TH3 TH4

 

 

 

M

 

 

3

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

C. B.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t°

t°

t°

t°

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MF1

1

CNF1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

w1

w1

 

 

MS

 

7 (WHT)

 

1

4

1 2

2 1

 

 

1

 

6

1

3

1

5

SW5

SW6

SW7

3~

 

 

 

TH7/6

TH3

TH4

 

 

 

LEV-A

CNVMNT CNMNT

 

 

 

 

(RED)

(WHT)(WHT)

 

LED2

 

(WHT)

(WHT)

(WHT)

SW4SWPSW8

 

SW9

 

 

 

 

 

 

 

1

3

 

LED1

1

CNM

 

14

SW1

 

 

 

 

 

 

 

63H

 

 

(WHT)

 

 

CN31

 

 

 

 

 

 

 

 

(YLW)

 

 

 

 

 

CN52C

 

 

 

 

 

 

 

 

 

 

CN2

 

 

 

CN4

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

(RED)

 

CNDM

(WHT)

 

 

 

 

 

 

(WHT)

 

 

(WHT)

 

 

 

1 3

 

 

 

 

 

 

 

 

 

 

1 2

 

 

 

2

 

TRANS

 

 

1

7

 

 

 

1 2

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNDC

 

 

 

 

 

 

 

2

 

 

 

2

 

 

 

CN51

(WHT)

1 5

 

 

(PNK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F2

 

 

 

F3

7

 

 

 

 

 

 

 

 

 

 

 

 

CNAC

 

 

 

 

X52

 

 

X55

 

 

X51

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNS

 

(WHT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(WHT)

 

1

2

 

 

 

 

3

1 21S4

3

1 SV2

3

 

1 SS

 

 

 

 

 

 

F1

 

 

 

F4

 

 

 

 

 

 

 

 

3

1

3

4

 

 

 

 

 

(GRN)

 

(BLU)

 

 

(WHT)

 

 

 

 

 

 

 

 

 

 

 

 

 

21S4

 

SV

 

 

 

 

 

 

 

 

PUZ only

 

5

 

(WHT)

 

SW11

 

CN5

SW1

 

 

 

 

 

1

 

 

 

 

 

 

LED2

 

SW12

 

 

LED3

 

 

 

 

 

 

 

LED4

 

 

 

 

M-NET SUBSTRATE

 

2

CN2M

(WHT)

 

 

 

1

CND

 

 

(WHT)

 

 

LED5

LED1

 

 

3

1

 

 

 

 

 

 

 

 

3

 

A B

S

 

 

 

 

 

TB7

 

 

 

M-NET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

BLU

N. F.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LO

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52C

 

 

1

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

P. B.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN52C

(BLK)

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

TABT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DS3

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNAF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(WHT)

 

 

 

 

CNDC

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

(PNK) 2

 

 

TABS WHT

 

 

 

 

 

 

 

7

6

 

 

 

 

1

 

DS2

 

1

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IPM

 

 

3

 

 

 

 

CNAC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(RED)

 

 

 

 

 

 

 

CN2

 

 

 

 

 

 

 

TABP1 RED

 

 

 

 

 

 

 

(WHT)

TABP2

RED

 

 

 

 

 

 

 

 

 

 

TH8

7

 

 

TABN1

 

 

 

 

 

 

 

E2

1 CN3

 

 

BLK

U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t°

2

2(WHT)

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

 

1 CN5

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

2(RED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

1 CN4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(RED)

 

 

2(WHT)

 

TABV

TABW

 

 

 

TABN2

 

1

 

 

 

 

CN5

 

 

 

 

TABU

 

 

 

 

 

 

 

 

 

 

TABN

 

 

 

 

 

CNAC1

(WHT)

 

 

 

 

 

TABP

 

 

 

 

 

 

 

 

 

 

 

 

RED

WHT BLK

 

 

 

WHT

 

 

 

 

 

 

 

 

U

V

W

 

 

 

 

 

 

LI

U

NI

U

EI

 

 

 

 

 

MS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3~ MC

 

 

 

 

 

 

 

 

 

 

 

 

w1 MODEL SELECT

MODEL

SW6

SW5-5.6 w2

 

ON

ON

DCL

BLK

4

WHT

CY1

RED

BLU

GRN

YLW

ORN

BRN

CY2

 

PUZ-A30N

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

 

1

 

2

 

3

 

4

 

5

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PUZ-A36N

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

1

2

3

4

5

6

 

 

 

 

 

 

 

RED

BLK

L1

L2 1 P6 RED

N1

N2 WHT

Io

L1 L2 GR S1 S2 S3

TB1

PUY-A30N

ON

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

 

1

2

3

4

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PUY-A36N

ON

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

 

1

2

3

4

5

6

 

 

w2. SW5-1 to 4 : Function switch

ACTM

INDOOR

UNIT

POWER SUPPLY 208 / 230V 60Hz

wUse copper supply wires.

M-NET ADAPTER

SYMBOL

NAME

TB7

Terminal Block<M-net connection>

CN5

Connector<Transmission>

CND

Connector<Power Supply>

CN2M

Connector<M-NET communication>

SW1

Switch<Status of communication>

SW11

Switch<Address setting : 1st digit>

SW12

Switch<Address setting : 2nd digit>

LED1

LED<Power Supply : DC5V>

LED2

LED<Connection to Outdoor Unit>

LED3

LED<Transmission : Sending>

LED4

LED<Transmission : Recelving>

LED5

LED<Power Supply : DC12V>

18

Image 18
Contents Contents Parts Catalog OCB429Reference Manual Indoor UnitSafety Precaution Always Observe for SafetyWhen charging directly from cylinder Additional refrigerant chargeR22 Features PUZ-A18NHA2 PUZ-A18NHA2-BS PUY-A12/18NHA2 PUY-A12/18NHA2-BSPUZ-A42NHA2 PUZ-A42NHA2-BS PUY-A42NHA2 PUY-A42NHA2-BS Specifications PUZ-A18NHA2 PUZ-A24NHA2 PUZ-A30NHA2 PUZ-A36NHA2 PUZ-A42NHA2PUY-A18NHA2-BS PUY-A24NHA2-BS Compressor Technical Data DataNoise Criterion Curves PUZ-A18NHA2-BSStandard Operation Data Heat pumpCooling only PKA-A12GA PKA-A18GA PKA-A24FA PKA-A30FA PKA-A36FA PLA-A42BAOutdoor Unit Unit mminchExample of Notes Service Space 662-5/8 Air outletWiring Diagram NET AdapterPUZ-A24NHA2 PUZ-A24NHA2-BS PUY-A24NHA2 PUY-A24NHA2-BS NET AdapterWUse copper supply wires TABU/V/W Wiring Specifications System Simultaneous twin systemSeparate Indoor UNIT/OUTDOOR Unit Power Supplies OFFIndoor Outdoor Connecting Cable NET Wiring Method Refrigerant address NET address Control Remote ControllerRegulations in address settings NET address settingRefrigerant address setting NET wiringPUZ-A42NHA2 PUZ-A42NHA2-BS Refrigerant System DiagramPUZ-A18NHA2 PUZ-A18NHA2-BS Way valve solenoid coil Heating on Cooling OFFPUY-A12/18NHA2 PUY-A12/18NHA2-BS PUY-A42NHA2 PUY-A42NHA2-BSRefrigerant recovering pump down Start and finish of test runCheck Point Under Test RUN TroubleshootingTroubleshooting Before test runOperating procedures Symptoms in test run mode Cause Remote Controller DisplayContents of inferior phenomena Test run for wireless remote controller HOW to Proceed SELF-DIAGNOSIS When a Problem Occurs During OperationSelf-Diagnosis During Maintenance or Service Remote Controller Diagnosis ON/OFFProcedure Malfunction-diagnosis method by wireless remote controllerMalfunction-diagnosis method at maintenance service Case of trouble during operationU9,UH SELF-DIAGNOSIS Action Table Error Code Abnormal point and detection method Case63L connector open CndcConnector open Error CodeCase Judgment and action 63H connector open Indoor/outdoor unit connectorAbnormalities detected while unit is operating Case Judgment and action High pressure High-pressure switchHigh discharging temperature 63H workedPower module Temperature thermistor TH4Temperature of heatsink Case Judgment and action Open/short circuit of dischargeCurrent sensor error Synchronous signal to main circuitWhen compressor locked Case Judgment and action Outdoor fan motorRemote controller control board Remote controller transmissionErrorE0/signal receiving errorE4 Case Judgment and action Low pressure 63L workedError Signal receiving error Case Judgment and action Remote controller transmissionErrorE3/signal receiving errorE5 Non defined error codeHardware error of transmission NET communication errorCase Judgment and action Pipe temperature Case Judgment and action Address duplicate definitionTo the next Master From the previousFresh Master LossnayTroubleshooting by Inferior Phenomena VCTF, VCTFK, CVV CVS, VVR, VVF, VCTPhenomena Factor Countermeasure Melans Please Wait YESOutdoor connecting wire Outdoor power circuit boardPower supply To the outdoor unit Check the breaker Miswiring, breakingNot lighting Indoor/outdoor connecting wire BlinkingDefective indoor Replace the indoor Power board Breaking or poor Fix the breaking or poorCheck if there is breaking Before repair Frequent calling from customers Action TableRefrigerant in the air conditioner is switched Phone Calls From Customers How to RespondSometimes This is the sound which is heard when the flow This is not a malfunctionWith Blower… With Airflow Direction…There might be a case that Page HOW to Check the Parts Fuse check Wiring contact checkPower supply check Remove the connector CNF1 ENDMedium temperature thermistor HOW to Check the ComponentsThermistor feature chart Low temperature thermistors High temperature thermistorOutput pulse signal and the valve operation Operation summary of the linear expansion valveLinear expansion valve operation Linear expansion valve A24, 30, 36 How to detach the coil How to attach the coilBe sure to attach the stopper Releasing emergency operation Emergency operation procedureEmergency Operation SW4Operation data during emergency operation Test Point Diagram CN5 LI, NICNAC1, CNAC2 LO, noPUZ-A24NHA2 PUZ-A24NHA2-BS PUY-A24NHA2 PUY-A24NHA2-BS RS1 DIP-IPM LD1-LD2DIP-PFC CN3 CN4 CN5TABP2/SC-P2 CnafCN3 ActmUpper side Lower sideL1, L2 Function Action by the switch operation Effective timing Function of SWITCHES, Connectors and JumpersFunction of switches OFF2Function of connector SW9Special function 50%75% Display function of inspection for outdoor unit Blinking Abnormality of outdoor fan Motor rotational speed 1Check the outdoor fan motor 1Check if stop valves are openOperation indicator Digital indicator LED1 working detailsExample When 2450 hours 245 10 hours Example When 42500 times 425 100 times Secs 5secs~9999 When it is 100 hours or more, hundreds digit, tens Lighting Cancellation of postponementSW2 setting Display detail Explanation for display Unit Unit Outdoor unit setting informationSingle phase 2 3 phase Cooling onlyDegF Fan step on error occurring ~10 Step Example When 130 pulse Example When 415 minutes Minute Secs Discharge superheat on error occurring ~327 0~182degC SHdSecs Sub cool on error occurring. SC ~234 0~130degC U9 Error status during the ErrorRise of discharge temperature LEDSwitching to maintenance mode Easy Maintenance FunctionMaintenance Mode Operation Method Fixed Hz operationData measurement To check the data for each item, repeat steps 5 toGuide for Operation Condition Data of the sensor Ta=C On main remote Controller Function SettingUnit Function Setting by the Remote Controller Average data Initial Ta=A+B/2 Sensor on allMode No.11 Setting No SettingsPLA-BA PCA-GA Specified indoor unit Selecting functions using the wired remote controllerFor modes 15 and higher Press E FAN operationOperating Procedure Flow of function selection procedure Operating instructionsFunction Selection of Remote Controller Mode SelectionFunction selection flowchart Mode Vane FANTurn on the Monitoring the operation data Button for 3 seconds to switch to Maintenance monitorCheck button for 3 seconds to return to maintenance mode PressRequest Code List Outdoor unit-Control state Code Description 100 For indoor fan pulsation controlDetail Contents in Request Code 101Fan control state Request code Error content U9 Request code102 Actuator output state Request code103 Outdoor unit --Capacity setting display Request codeOutdoor unit Setting information Request code Contact demand capacity Request code104 105 Indoor unit Model setting information Request codeIndoor unit Capacity setting information Request code Data display See the table on the right106 Disassembly ProcedurePUZ-A18NHA2 PUZ-A18NHA2-BS Operating Procedure Photos PhotoRemoving the electrical parts box Removing the thermistor Outdoor 2-phase pipe TH6107 Thermistor Outdoor pipe TH3Operating Procedure Photos 108109 Removing the 4-way valveRemoving linear expansion valve Removing the compressor MC Separator Recover refrigerant110 Removing the accumulator111 Operating Procedure Photos & IllustrationRemoving the service panel and top panel Removing the fan motor MF1112 Removing the thermistor Outdoor pipe TH3Thermistor Discharge TH4 Removing the linear expansion valve coil 113Removing the 4-way valve coil Removing the bypass valve coil114 Removing the bypass valveRemoving the reactor ACLA24 115 Removing the reactor DCL A30Remove 2 receiver leg fixing screws 4 116 Removing the fan motor MF1, MF2Remove the service panel. See figure Outdoor pipe 117Remove the top panel. See figure Controller Linear expansion 118Are not oxidized Coil Valve coilRemoving the reactor DCL and capacitor CE Low pressure switch 63L119 DCLRemove 2 back cover panel fixing screws 5 10

PUZ-A36NHA2-BS, PUY-A12NHA2, PUY-A42NHA2-BS, PUY-A30NHA2, PUZ-A36NHA2 specifications

Mitsubishi Electronics has long been a leader in the HVAC industry, and their range of air conditioning units, including the PUY-A24NHA2, PUZ-A24NHA2, PUY-A24NHA2-BS, PUZ-A42NHA2-BS, and PUY-A42NHA2, exemplifies their commitment to innovation and energy efficiency. These models are designed to provide optimal climate control for both residential and commercial applications, ensuring comfort throughout the year.

One of the defining features of these models is their advanced inverter technology, which allows for precise temperature control and reduced energy consumption. The inverter technology adjusts the compressor speed according to the cooling load, significantly lowering operating costs compared to traditional fixed-speed systems. This means that users can enjoy consistent comfort without worrying about surging energy bills.

The PUY and PUZ units come equipped with powerful indoor and outdoor components that enable efficient heat exchange. These systems provide excellent performance even in extreme weather conditions, with reliable operation at low ambient temperatures. This capability ensures that you can maintain a comfortable environment, no matter the season.

Additionally, the models are designed with quiet operation in mind. The outdoor units incorporate noise-reduction technology, ensuring that the systems operate at minimal sound levels. This is especially beneficial for residential areas or office environments, where maintaining a peaceful atmosphere is crucial.

Mitsubishi Electronics has also integrated smart technology into these units. With options for remote control via Wi-Fi, users can manage their air conditioning settings from anywhere, using their smartphones or tablets. This integration enhances user convenience and allows for more efficient scheduling and energy management.

These models are also known for their environmentally friendly refrigerants, such as R410A, which contribute to lower global warming potential and align with modern sustainability practices. By choosing Mitsubishi's PUY and PUZ series, consumers not only prioritize their comfort but also contribute to environmental conservation.

In summary, the Mitsubishi Electronics PUY-A24NHA2, PUZ-A24NHA2, PUY-A24NHA2-BS, PUZ-A42NHA2-BS, and PUY-A42NHA2 air conditioning units are equipped with cutting-edge technology, offering energy efficiency, quiet operation, and smart functionality. Whether for residential or commercial use, these units are designed to meet the demands of modern climate control while prioritizing energy savings and sustainability.