Mitsubishi Electric PUY-A42NHA4 Air Manuals

Manuals and User Guides for Mitsubishi Electric PUY-A42NHA4 Air. We have 3 Mitsubishi Electric PUY-A42NHA4 Air manuals available for free PDF download: Service Manual

Mitsubishi Electric PUY-A42NHA4 Service Manual (121 pages)

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS Outdoor unit

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 2.85 MB

Table of Contents
1
Model Names
1
Outdoor Unit
1
Service Manual
1
Reference Manual
2
Cautions Related to New Refrigerant
3
Safety Precaution
3
Features
6
Specifications
7
Compressor Technical Data
9
Data
9
- Refilling Refrigerant Charge
  9
- Noise Criterion Curves
  10
- Heat Pump
  11
- Standard Operation Data
  11
- Cooling Only
  12
- Foundation Bolts
  13
- Minimum Installation Space for Outdoor Unit
  13
Outlines and Dimensions
13
Piping-Wiring Direction
13
Wiring Diagram
16
- Indoor Unit Power Supplied from Outdoor Unit
  20
- Simultaneous Twin System
  20
Wiring Specifications
20
Refrigerant System Diagram
25
Troubleshooting
28
- Operating Procedures
  29
- Symptoms in Test Run Mode
  29
- Test Run
  30
- How to Proceed "Self-Diagnosis"
  31
- Self-Diagnosis During Maintenance or Service
  31
- When a Problem Occurs During Operation
  31
- Remote Controller Diagnosis
  32
- Remote Controller Self-Diagnosis Result
  32
- Ground
  33
- Continuous
  43
- NO ACK Signal
  43
- Noise
  43
- Continuous
  45
- M-Net no Response
  45
- Noise
  45
- Troubleshooting by Inferior Phenomena
  45
- Cooling
  46
  - “PLEASE WAIT” Is Kept Being Displayed on the Remote Controller
    47
  - Symptoms: Nothing Is Displayed on the Remote Controller
    48
- Noise
  49
- Frequent Calling from Customers
  51
- Cooling
  54
- Continuous
  62
  - Emergency Operation
    62
  - Emergency Operation Procedure
    62
  - Releasing Emergency Operation
    62
  - Operation Data During Emergency Operation
    63
  - Noise
    64
  - Outdoor Controller Circuit Board
    64
  - Test Point Diagram
    64
  - Outdoor Noise Filter Circuit Board
    65
  - Noise
    66
  - Noise
    67
  - Brief Check of DIP-IPM and DIP-PFC
    68
- Noise
  68
  - Outdoor Power Circuit Board
    68
  - Brief Check of POWER MODULE
    69
- Noise
  69
- Cooling
  71
- Function of Switches
  71
- Function of Connector
  72
- Demand Control
  73
- How to Wire
  73
- Low-Level Sound Priority Mode
  73
- Special Function
  73
- Display Function of Inspection for Outdoor Unit
  74
- Digital Indicator LED1 Working Details
  76
- Outdoor Unit Operation Monitor Function
  76
- When the Display Blinks
  76
Easy Maintenance Function
85
- Fixed Hz Operation
  85
- Maintenance Mode Operation Method
  85
- Switching to Maintenance Mode
  85
- Compressor Information
  86
- Data Measurement
  86
- Indoor Unit Information
  86
- Outdoor Unit Information
  86
- Check Points
  87
- Guide for Operation Condition
  87
- Function Selections
  88
Function Setting
88
Monitoring the Operation Data by the Remote Controller
96
- Operating the Service Inspection Monitor
  96
- Request Code List
  97
- Data Display
  101
- Detail Contents in Request Code
  101
- Frequency Control State
  101
- Relay Output State
  101
- Actuator Output State
  102
- Error Content
  102
- Fan Control State
  102
- Contact Demand Capacity
  103
- External Input State
  103
- Outdoor Unit – Capacity Setting Display
  103
- Outdoor Unit – Setting Information
  103
- Outdoor Unit Switch Setting Display (SW1 to SW10, Except SW3)
  104
- Indoor Unit – Capacity Setting Information
  105
- Indoor Unit – Model Setting Information
  105
- Wireless Pair No. (Indoor Control Board Side) Setting
  105
Disassembly Procedure
106
- Removing the Fan Motor
  106
- Removing the Top Panel, Service Panel, Front Panel and Back Panel
  106
- Removing the Electrical Parts Box
  107
- Removing the Thermistor
  107
- Removing the 4-Way Valve Coil
  108
- Removing the Linear Expansion Valve Coil
  108
- Removing Linear Expansion Valve
  109
- Removing the 4-Way Valve
  109
- Removing the High Pressure Switch
  109
- Removing the Reactor
  109
- Removing the Accumulator
  110
- Removing the Compressor
  110
- Removing the Fan Motor (MF1)
  111
- Removing the Service Panel and Top Panel
  111
- Removing the 4-Way Valve Coil (21S4)
  113
- Removing the Linear Expansion Valve
  113
- Removing the Bypass Valve
  114
- Removing the High Pressure Switch (63H)
  114
- Removing the Reactor (ACL) (A24)
  114
- Removing the Compressor (MC)
  115
- Removing the Reactor (DCL)
  115
- Removing the Fan Motor (MF1, MF2)
  116

Mitsubishi Electric PUY-A42NHA4 Service Manual (132 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 15.94 MB

Table of Contents
1
Reference Manual
2
Safety Precaution
2
Features
6
Specifications
7
Data
9
Outlines and Dimensions
13
Wiring Diagram
16
Wiring Specifications
20
Refrigerant System Diagram
25
Troubleshooting
28
Easy Maintenance Function
85
Function Setting
88
Monitoring the Operation Data by the Remote Controller
96
Disassembly Procedure
106

Mitsubishi Electric PUY-A42NHA4 Service Manual (12 pages)

Mitsubishi Electric Split-Type, Heat Pump Air Conditioners

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 2.79 MB

Mitsubishi Electric Categories

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