TechPlus ComfortAire - User Manual

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SERVICE SUPPLEMENT

TECHNICAL COMMUNICATIONS

Comfort AireComfort Aire

AIR CONDITIONING SYSTEMS

Main Page

Default Chapter8
- Table of Contents8
Safety Precautions11
- General Practices11
  - Refrigerant12
  - First Aid12
- Refrigeration Oil12
Electrical Hazards13
- High Voltage13
  - Precautions13
  - First Aid13
- Low Voltage14
Comfort Aire Specifications15
- General15
- R-134A Refrigeration System Charges and Set-Points15
- A3RE/FE & BBCV with TM-21'S Electrical System16
- Micro Bird Electrical System16
Maintenance Inspection Schedule17
- General Unit Description18
- General Unit Operation19
General System Component Details20
- Stacked Skirt Mounted Condenser Configuration20
- Stacked Skirt Mounted Condenser Exploded View21
- 55,000 Bth/Hr Free Blow Evaporator Configuration22
- 55,000 Btu/Hr Free Blow Evaporator Exploded View23
- Typical TM-21 Compressor24
- Manual Control Panel24
- High Pressure Binary Switch25
- Electronic Thermostat25
Driver Instructions and Information26
- Starting the Unit26
- Bi Monthly Post Trip Checks27
- Regular Maintenance by Driver27
- Basic Trouble Shooting for Driver27
Technician Instructions and Information29
- Charging the Air Conditioning System29
- Checking the Refrigerant Charge30
- Checking the Compressor Oil Charge30
- High Pressure Binary Switch30
Clean up Procedures32
Part Replacement Procedures34
- Compressor34
- Condenser Coil35
- Receiver Drier35
- High Pressure Binary Switch36
- Evaporator Coil36
- Expansion Valve Assembly37
Structural Maintenance39
- Unit Inspection39
Tm-21 & Tm-16 Compressor and Clutch Maintenance40
- Operation40
- Inspection40
- Clutch Removal41
- Clutch Installation43
- Electrical Connection46
- Compressor Front Seal Removal and Installation46
System Compressor and Oil Handling51
- Installation of the Compressor51
- Major Loss or Refrigerant51
- Checking the Oil Level51
- Oil Contamination52
- When a System Becomes Contaminated52
- Electrical Connection52
- Clutch Test52
Belt Tensions53
- Engine Compressor Belts and Pulleys53
- Single V-Belt - Cat C7 A3RE/FE53
- Poly V-Bel - some A3RE/FE, All BBCV and All Microbird53
General Trouble Shooting by Technician54
- Blower Motor Does Not Operate54
- Blower Motor Operates Normally, Bur Air Flow Is Insufficient54
- Insufficient Cooling, Does Not Operate at All, or Operates Improperly54
- The Compressor Does Not Operate at All, or Operates Improperly54
  - Gauge Pressure Related Troubleshooting55
  - Operation to Return Oil to the Compressor56
Electrical System Trouble Shooting57
- Compressor Trouble Shooting58
- Refrigeration Diagnosis Chart59
- System Service and Maintenance Notes60
  - Service Guidelines60
  - Compressor Oil Charge60
Refrigeration Chart62
Wiring Schematics63
- Micro Bird Manual63
- Micro Bird ECC64
- BBCV, A3RE, A3FE Manual65
- Bbcv, A3Re, A3Fe Ecc66
- Slimline System Manual67
- Slimline System ECC68
Electronic Control User Guide69
- Electronic Climate Control (ECC)70
  - ECC Control71
  - ECC User Display72
- Basic Operation73
- System Diagnosis74
System Schematics76
- A3RE ECC Roof Top Condenser77
- Engine Kit Compressor78

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TechPlus ComfortAire Specifications

General

Brand	TechPlus
Model	ComfortAire
Category	Air Conditioner
Language	English

TechPlus ComfortAire - User Manual

Table of Contents

TechPlus ComfortAire Specifications