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General| Model | TTA073D |
|---|---|
| Cooling Capacity | 73000 BTU/H |
| Refrigerant | R-410A |
| Compressor Type | Scroll |
| Voltage | 208/230V |
Discusses the impact of chemicals on the ozone layer.
Emphasizes technician certification and legal compliance.
Details mandatory PPE for installation and servicing.
Describes the TTA/TWA units and their intended operating envelope.
Explains the historical principles guiding refrigerant piping practices.
Details changes for R-410A pressure and oil entrainment.
Focuses on minimizing distance between system components.
Covers sizing, routing, insulation, and components for liquid lines.
Covers sizing, routing, insulation, and components for gas lines.
Details selection, types, and adjustment of expansion valves.
Discusses system controls and compressor staging for stability.
Explains HGBP, its drawbacks, and alternative EDC systems.
Details compatibility checks and component requirements for upgrading to R-410A.
Illustrates piping arrangements for TTA units with indoor coils.
Illustrates piping arrangements for TWA heat pumps.
Lists components and line sizes for TTA models.
Lists components and line sizes for TWA models.
