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General| Brand | Trane |
|---|---|
| Model | TTA120C series |
| Category | Air Conditioner |
| Language | English |
Presents electrical characteristics, compressor motor, and outdoor fan motor data for TTA units.
Procedure to check refrigerant circuits for leaks using nitrogen pressure before system operation.
Guidelines for safely lifting the unit, including weight considerations and use of lifting equipment.
Guidelines for routing and installing refrigerant lines, including length and pressure drop considerations.
Detailed steps for connecting refrigerant lines to outdoor and indoor units, including brazing and purging.
Method for checking field-brazed refrigerant line connections for leaks using soap bubbles.
Procedure for evacuating the refrigerant system to a specific micron vacuum level.
Instructions for charging the system with refrigerant based on weight or specific model requirements.
Procedure for charging the unit with refrigerant while it is operating, ensuring proper superheat and subcooling.
Overview of field wiring requirements, including power supply and low voltage connections.
Details on providing line voltage, disconnect switches, and grounding for the unit's power supply.
Details on various safety controls like Evaporator Defrost Control, LPCO, HPCO, and Internal Overload Protector.
Methods for checking unit system status, including LED indicators and voltage measurements.
Addresses issues where both heating and cooling modes fail simultaneously, often related to emergency stop.
Details checking system status via voltage readings at RTRM terminals and power cycling.
