Mitsubishi Electric SUZ-KA24NAHZ Manuals

Mitsubishi Electric SUZ-KA24NAHZ Manuals

Manuals and User Guides for Mitsubishi Electric SUZ-KA24NAHZ. We have 2 Mitsubishi Electric SUZ-KA24NAHZ manuals available for free PDF download: Service Manual, Installation Manual

Mitsubishi Electric SUZ-KA24NAHZ Service Manual

Mitsubishi Electric SUZ-KA24NAHZ Service Manual (123 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 16.34 MB

Table of Contents

Table of Contents
1
Precautions During the Repair Service
2
Preparation before the Repair Service
2
Reference Manual
2
Safety Precaution
2
Features
6
Specifications
7
Compressor Technical Data
9
Data
9
- Refilling Refrigerant Charge
  9
- Noise Criterion Curves
  10
- Standard Operation Data
  11
- Representative Matching
  12
Outlines and Dimensions
13
- Suz-Ka24Nahz
  13
- Suz-Ka30Nahz
  14
- Suz-Ka36Nahz
  14
Wiring Diagram
15
- Indoor Unit Power Supplied from Outdoor Unit
  17
- Simultaneous Twin System
  17
Wiring Specifications
17
Refrigerant System Diagram
20
Troubleshooting
23
- Before Test Run
  24
- Check Point under Test Run
  24
- Error Information
  24
- Errors Detected by Indoor Unit
  25
- Abnormalities Detected When the Power Is Turned on
  26
- Self-Diagnosis Action Table
  26
- 63H Connector Open
  27
- Miswiring of Indoor/Outdoor Unit Connecting Wire
  27
- Startup Time over
  27
- Abnormal if Discharge Superheat
  28
- Abnormal if TH4 Exceeds 257˚F
  28
- High Discharge Temperature
  28
- High Pressure
  28
- Open/Short Circuit of Outdoor Unit
  29
- Open/Short of Outdoor Unit Thermistors
  29
- Power Module
  29
- Temperature of Heatsink
  29
- Outdoor Fan Motor
  30
- Overvoltage Error
  30
- Too Low Superheat Due to Low Discharge Temperature
  30
- Undervoltage Error
  30
- Abnormal Power Synchronous Signal
  31
- Compressor Overcurrent Interruption
  31
- Current Sensor Error
  31
- PFC Error
  31
- Abnormal Low Pressure (63L Worked)
  32
- Remote Controller Control Board
  32
- Remote Controller Transmission Error(E0)/Signal Receiving Error(E4)
  32
- Indoor/Outdoor Unit Communication
  33
- Cooling Mode
  34
- Non Defined Check Code
  34
- Pipe Temperature
  34
- Serial Communication Error
  34
- Abnormal Refrigerant Circuit
  35
- Address Duplicate Definition
  36
- Bus Busy
  36
- Communication Error with Communication Processor
  36
- Hardware Error of Transmission Processor
  36
- NO ACK Signal
  37
- M-Net no Response
  39
- Troubleshooting by Inferior Phenomena
  39
- “Please Wait” Is Kept Being Displayed on the Remote Controller
  41
- Nothing Is Displayed on the Remote Controller 1
  42
- Nothing Is Displayed on the Remote Controller 2
  43
- Nothing Is Displayed on the Remote Controller 3
  44
- Before Repair
  45
- Frequent Calls from Customers
  45
- The Room Cannot be Cooled or Heated Sufficiently
  46
- Fan Motor(MF1, MF2)
  49
- How to Check the Parts
  49
- Motor for Compressor
  49
- Solenoid Valve Coil
  49
- Check Method of DC Fan Motor
  50
- Fuse Check
  50
- Self Check
  50
- Wiring Contact Check
  50
- How to Check the Components
  51
- Low Temperature Thermistors
  51
- Medium Temperature Thermistor
  51
- Thermistor Feature Chart
  51
- Linear Expansion Valve
  52
- Linear Expansion Valve Operation
  52
- Operation Summary of the Linear Expansion Valve
  52
- Output Pulse Signal and the Valve Operation
  52
- How to Attach and Detach the Coil of Linear Expansion Valve
  54
- How to Attach the Coil
  54
- How to Detach the Coil
  54
- Emergency Operation
  55
- Emergency Operation Procedure
  55
- Releasing Emergency Operation
  55
- Degree of Subcooling (SC)
  56
- Discharge Superheat (Shd)
  56
- Operation Data During Emergency Operation
  56
- Outdoor Controller Circuit Board
  57
- Test Point Diagram
  57
- Brief Check of POWER MODULE
  58
- Check of DIODE Circuit
  58
- Check POWER MODULE
  58
- Outdoor Power Circuit Board
  58
- Function of Switches
  60
- Function of Connector
  61
- Low-Level Sound Priority Mode (Local Wiring)
  62
- On Demand Control (Local Wiring)
  62
- Special Function
  62
- Abnormal Condition
  63
- Display Function of Inspection for Outdoor Unit
  63
- Normal Condition
  63
- Digital Indicator LED1 Working Details
  65
- Outdoor Unit Operation Monitor Function
  65
- When the Display Blinks
  65
- Discharge Temperature (TH4)
  66
- LEV-A Opening Pulse
  66
- Output Step of Outdoor FAN
  66
- Pipe Temperature / Liquid(TH3)
  66
- Error History (1) (Latest)
  67
- Error History (2)
  67
- Test Run Elapsed Time
  67
- Thermostat on Time
  67
- Capacity Setting Display
  68
- Indoor Room Temperature (TH1)
  68
- Outdoor Unit Setting Information
  68
- The Number of Connected Indoor Units
  68
- Indoor Setting Temperature
  69
- Outdoor Heatsink Temperature (TH8)
  69
- Outdoor Outside Temperature (TH7)
  69
- Outdoor Pipe Temperature/2-Phase (TH6)
  69
- Capacity Save
  70
- DC Bus Voltage
  70
- Error Postponement Code History (2)
  70
Easy Maintenance Function
74
- Easy Maintenance Information (Unit)
  74
- Smooth Maintenance
  74
- Checkpoints
  75
- Cool Mode
  75
- Guide for Operation Condition
  75
- Heat Mode
  75
- Function Selections
  76
Function Setting
76
Monitoring the Operation Data by the Remote Controller
78
Disassembly Procedure
87
Remote Controller
100
- Remote Controller Functions
  100
- Basic Mode
  101
- Display
  101
- Full Mode
  101
- Main Menu
  102
- Menu Structure
  102
- Main Menu List
  104
- Maintenance Password Is Required
  110
- Service Menu
  110
- Test Run
  111
- Par-Sl100A-E
  112
- Par-Sl97A-E
  112
- Going to the Function Select Mode
  115
- Select a Mode
  115
- Selecting the Setting Number
  115
- Setting the Unit Number
  115
- Deleting the Error History
  116
- Error History
  116
- Resetting the Error History
  117
- Self-Diagnosis
  117
- Malfunction-Diagnosis Method at Maintenance Service
  118
- Remote Controller Check
  119
- Remote Controller Check Results Screen
  119
- Multi Refrigerant System (Group Control)
  121
- Refrigerant Address
  121
- Request Code
  121
- Single Refrigerant System
  121

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Mitsubishi Electric SUZ-KA24NAHZ Installation Manual

Mitsubishi Electric SUZ-KA24NAHZ Installation Manual (36 pages)

For use with R410A

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 6.94 MB

Table of Contents

English

2
- Table of Contents
  2
- Safety Precautions
  3
- Installation Location
  3
- Installing the Outdoor Unit
  6
- Installing the Refrigerant Piping
  7
- Drainage Piping Work
  9
- Electrical Work
  9
- Test Run
  11
- Special Functions
  11
- System Control (Fig. 9-1)
  12
Español

24
- Lugar en que Se Instalará
  25
- Medidas de Seguridad
  25
- Instalación de la Unidad Exterior
  28
- Instalación de Los Tubos del Refrigerante
  29
- Trabajo Eléctrico
  31
- Tubería de Drenaje
  31
- Funciones Especiales
  33
- Prueba de Funcionamiento
  33
- Sistema de Control (Fig. 9-1)
  34

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