Mitsubishi Electric PUMY-P250YBM-ET.TH Manuals

Manuals and User Guides for Mitsubishi Electric PUMY-P250YBM-ET.TH. We have 1 Mitsubishi Electric PUMY-P250YBM-ET.TH manual available for free PDF download: Technical & Service Manual

Mitsubishi Electric PUMY-P250YBM-ET.TH Technical & Service Manual

Mitsubishi Electric PUMY-P250YBM-ET.TH Technical & Service Manual (155 pages)

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 13.72 MB

Table of Contents

Table of Contents
1
Cautions for Units Utilizing Refrigerant R410A
2
Cautions Related to New Refrigerant
2
Preparation before the Repair Service
2
Safety Precaution
2
Overview of Units
6
Specifications
10
- Capacity of Indoor Unit
  11
- Cooling Calculation
  11
Data
11
Outlines and Dimensions
22
Wiring Diagram
23
Necessary Conditions for System Construction
24
Troubleshooting
40
- Countermeasures for Error During Test Run
  41
- Self-Diagnosis Function
  41
- 0403
  42
- Diagnosis of Defects
  42
- Serial Communication Error
  42
- 1102
  43
- 1302
  45
- High Pressure Trouble
  47
- Superheat Due to Low Discharge Temperature Trouble
  49
- 1501
  51
- Refrigerant Shortage Trouble
  51
- Closed Valve in Cooling Mode
  53
- Freeze Protection of Branch Box or Indoor Unit
  54
- 4-Way Valve Trouble in Heating Mode
  55
- 4100
  56
- Compressor Current Interruption (Locked Compressor)
  56
- 4210
  58
- Compressor Overcurrent Interruption
  58
- Overvoltage
  60
- PAM Error
  60
- Voltage Shortage
  60
- Heat Sink Temperature Trouble
  62
- Power Module Trouble or Overcurrent Trouble
  63
- 4400
  64
- Fan Trouble (Outdoor Unit)
  64
- 5101
  65
- Compressor Temperature Thermistor (TH4) Open/Short
  65
- 5102
  66
- Suction Pipe Temperature Thermistor (TH6) Open/Short
  66
- 5105
  67
- Outdoor Liquid Pipe Temperature Thermistor (TH3) Open/Short
  67
- 5106
  68
- Ambient Temperature Thermistor (TH7) Open/Short
  68
- 5109
  69
- HIC Pipe Temperature Thermistor (TH2) Open/Short
  69
- 5110
  70
- Heat Sink Temperature Thermistor(TH8) Open/Short
  70
- 5201
  71
- High Pressure Sensor (63HS) Trouble
  71
- 5202
  72
- Low Pressure Sensor (63LS) Trouble
  72
- 5300
  73
- Current Sensor Trouble
  73
- 6600
  74
- Duplex Address Error
  74
- Transmission Processor Hardware Error
  75
- 6603
  76
- Transmission Bus BUSY Error
  76
- 6606
  77
- Signal Communication Error with Transmission Processor
  77
- 6607
  78
- No ACK Error
  78
- 6608
  82
- No Response Frame Error
  82
- 6831,6834
  83
- MA Communication Receive Error
  83
- 6833
  85
- MA Communication Send Error
  85
- 7100
  87
- Total Capacity Error
  87
- 7101
  88
- Capacity Code Error
  88
- 7102
  89
- Connecting Unit Number Error
  89
- 7105
  90
- Address Setting Error
  90
- 7130
  92
- Incompatible Unit Combination Error
  92
- Remote Controller Diagnosis
  93
- The Following Symptom Do Not Represent Trouble (Emergency)
  93
- Internal Switch Function Table
  94
- Auto Change over (CN3N)
  96
- Outdoor Unit Input/Output Connector
  96
- Silent Mode/Demand Control (CN3D)
  96
- State (CN51)
  96
- How to Check the Parts
  97
- Check Method of DC Fan Motor
  98
- How to Check the Components
  99
- Low Temperature Thermistors
  99
- Medium Temperature Thermistor
  99
- Thermistor Feature Chart
  99
- Comparing the High Pressure Sensor Measurement and Gauge Pressure
  100
- High Pressure Sensor
  100
- High Pressure Sensor Configuration (63HS)
  100
- Comparing the Low Pressure Sensor Measurement and Gauge Pressure
  101
- Low Pressure Sensor
  101
- Low Pressure Sensor Configuration (63LS)
  101
- Outdoor Multi Controller Circuit Board
  102
- Test Point Diagram
  102
- Brief Check of POWER MODULE
  103
- Outdoor Power Circuit Board
  103
- M-NET Power Circuit Board
  104
- Outdoor Noise Filter Circuit Board
  105
- Outdoor Unit Functions
  106
Electrical Wiring
111
Refrigerant Piping Tasks
117
Disassembly Procedure
125
Remote Controller
130
- Remote Controller Functions
  130
- Basic Mode
  131
- Display
  131
- Full Mode
  131
- Main Menu
  132
- Menu Structure
  132
- Main Menu List
  134
- Error Information
  139
- Checking the Error Information
  140
- Maintenance Password Is Required
  141
- Service Menu
  141
- Auto Vane Check
  142
- Test Run
  142
- Test Run Operation
  142
- Function Setting
  145
- Flow of Function Selection Procedure
  146
- Operating Instructions
  146
- Select a Mode
  146
- Select the Setting Number
  146
- Going to the Function Select Mode
  147
- Selecting the Setting Number
  147
- Setting the Unit Number
  147
- To Select Multiple Functions Continuously
  147
- 16 Error History Records will Appear
  148
- Deleting the Error History
  148
- Error History
  148
- Resetting the Error History
  149
- Self-Diagnosis
  149
- Malfunction-Diagnosis Method at Maintenance Service
  150
- Remote Controller Check
  151
- Remote Controller Check Results Screen
  151
- HOME Screen
  152
- How to Display the Setup Screen
  152
- Menu (User) Screen
  152
- Special Function Operation Setting
  152
- Group Setting
  153
- Interlocked LOSSNAY
  153
- Search Connection Information
  153
- To Register LOSSNAY Units
  153

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