Mitsubishi Electric CAHV-P500YA-HPB Manuals

Manuals and User Guides for Mitsubishi Electric CAHV-P500YA-HPB. We have 2 Mitsubishi Electric CAHV-P500YA-HPB manuals available for free PDF download: Service Handbook, Instruction Manual

Mitsubishi Electric CAHV-P500YA-HPB Service Handbook

Mitsubishi Electric CAHV-P500YA-HPB Service Handbook (161 pages)

HOT WATER HEAT PUMP

Brand: Mitsubishi Electric | Category: Heat Pump | Size: 14.75 MB

Table of Contents

General
2
Safety Precautions
2
Table of Contents
6
Read before Servicing
10
I Read before Servicing
10
Necessary Tools and Materials
11
Brazing
12
Air Tightness Test
13
- Halide Torch
  13
- R22 Leakage Detector
  13
- Required Precision of Vacuum Gauge
  14
- Evacuation Time
  14
- Procedures for Stopping Vacuum Pump
  14
Vacuum Drying (Evacuation)
14
Refrigerant Charging
15
Remedies to be Taken in Case of a Refrigerant Leak
15
- Cylinder with a Siphon
  15
- Cylinder Without a Siphon
  15
Characteristics of the Conventional and the New Refrigerants
16
- Chemical Property
  16
- Pressure Characteristics
  16
Notes on Refrigerating Machine Oil
17
- Refrigerating Machine Oil in the HFC Refrigerant System
  17
- Effects of Contaminants
  17
Restrictions

18
Remote Controller

46
- Using the Remote Controller
  48
- Function Settings
  53
  - Function Setting Flowchart
    53
  - Settings Details
    54
  - Operation Mode Skip Setting
    54
  - Temperature Range Limit Setting
    54
  - Contact Number Setting
    54
  - Electrical Wiring Diagram
    56
Electrical Wiring Diagram

58
Refrigerant Circuit

62
Control

68
- Functions and Factory Settings of the Dipswitches
  70
- Operating Characteristics and Control Capabilities
  86
  - Initial Control
    87
  - Compressor Frequency
    87
  - Defrost Operation
    88
  - Defrost Start
    88
  - Defrost-Start Conditions
    88
  - Defrost End
    88
  - Outdoor Unit Fan
    89
  - Injection LEV
    89
  - At Startup
    89
  - LEV in the Main Circuit
    90
  - Operation During Power Failure
    90
  - Anti-Short-Cycling Protection
    91
  - Multiple System Control
    94
  - Water Piping System Configuration
    94
  - Automatic Operation of Pump for Freeze-Up Protection
    95
  - Water-Temperature Control
    96
  - Normal Thermo-ON/OFF Operations
    97
  - Thermo-ON/OFF Temperature Conditions
    97
  - Thermo-ON/OFF Conditions (Time)
    98
  - External Water Temperature Sensor TW-TH16
    100
  - Wiring the External Water Temperature Sensor
    100
  - Terminal Block for Connection to the Sensor
    100
  - Detailed View of the Area Labeled "A" in the Figure above
    100
Test Run Mode

102
- Items to be Checked before a Test Run
  104
- Test Run Method
  106
- Operating the Unit
  107
  - Initial Operation
    107
  - Daily Operation
    107
  - To Start an Operation
    107
- Refrigerant
  108
- Symptoms that Do Not Signify Problems
  108
- Standard Operating Characteristics(Reference Data)
  108
Troubleshooting

110
- Maintenance Items
  112
  - Checking the Error History
    112
  - Checking the Sensor Status
    114
  - Sensors and Item Code List
    115
  - Operation Status before Error
    116
  - Time of Data Storage before Error
    117
  - Maintenance Setting
    118
- Troubleshooting
  120
- Troubleshooting Principal Parts
  129
  - High-Pressure Sensor
    129
  - Pressure Sensor Configuration
    129
  - Low-Pressure Sensor
    130
  - Low-Pressure Sensor Configuration
    130
  - Temperature Sensor
    131
  - Thermistor
    131
  - Low-Temperature-Range Thermistor
    131
  - High-Temperature-Range Thermistor
    131
  - Lev
    132
  - Control Board and LEV
    132
  - Pulse Signal Output and Valve Operation
    132
  - LEV Valve Closing and Opening Operatio
    132
  - General Descriptions of Injection LEV Operation
    133
  - Judgment Methods and Possible Failure Mode
    134
  - Injection LEV Coil Removal Procedure
    135
  - Removing the Coils
    135
  - Installing the Coils
    135
  - Inverter
    136
  - Inverter-Related Problems
    136
  - Judgment Value (Reference)
    142
  - INV Board External Diagram
    142
  - Control Circuit
    143
  - Troubleshooting Transmission Power Circuit of Outdoor Unit
    143
  - Fan
    144
- Refrigerant Leak
  145
- Parts Replacement Procedures
  146
- Water Piping Configuration in the Unit and How to Connect the Piping
  154
Attachments

156
- R407C Saturation Temperature Table
  158

Mitsubishi Electric CAHV-P500YA-HPB Instruction Manual

Mitsubishi Electric CAHV-P500YA-HPB Instruction Manual (20 pages)

Air-Cooled Heat Pump Unit CAHV Series

Brand: Mitsubishi Electric | Category: Heat Pump | Size: 0.68 MB

Table of Contents

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