Safety Precautions / 10
General Practices / 10
Refrigerant / 11
First Aid / 11
Refrigeration Oil / 11
First Aid / 11
Electrical Hazards / 12
High Voltage / 12
Precautions / 12
First Aid / 12
Low Voltage / 13
Comfort Aire Specifications / 14
General / 14
R-134a Refrigeration System Charges and Set-points / 14
A3RE/FE & BBCV with TM-21’s Electrical System / 15
Micro Bird Electrical System / 15
Maintenance Inspection Schedule / 16
General Unit Description / 17
General Unit Operation / 18
Cooling / 18
Evaporator Coil Defrost / 18
Unit Features / 18
Protection Features / 18
General System Component Details / 19
Stacked Skirt Mounted Condenser Conguration / 19
Stacked Skirt Mounted Condenser Exploded View / 20
55,000 Bth/hr Free Blow Evaporator Conguration / 21
55,000 Btu/hr Free Blow Evaporator Exploded View / 22
Typical TM-21 Compressor / 23
Manual Control Panel / 23
High Pressure Binary Switch / 24
Electronic Thermostat / 24
Driver Instructions and Information / 25
Starting the Unit / 25
Bi Monthly Post Trip Checks / 26
Regular Maintenance by Driver / 26
Basic Trouble Shooting for Driver / 26
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APPENDIX
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