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General| Model | TTA0724 A/D B Series |
|---|---|
| Category | Air Conditioner |
| Cooling Capacity | 72, 000 BTU/h |
| Type | Split System |
| Voltage | 208-230V |
| Phase | 3 |
| Compressor Type | Scroll |
| Refrigerant | R-410A |
| Energy Efficiency Ratio (EER) | 11.0 |
Defines advisory types: warning, caution, and notice for safety.
Discusses impact of chemicals on the ozone layer.
Emphasizes certified technicians and adherence to regulations.
Stresses qualified personnel and code compliance for safety.
Details necessary PPE for hazardous operations.
Explains the four major components of a split AC system.
Introduces revised practices for refrigerant lines.
Discusses historical and current practices for liquid line sizing.
Details sizing requirements for R-410A refrigerant suction lines.
Discusses optimal placement of components to minimize charge.
Provides charts for allowable elevation difference based on line length.
Covers sizing, routing, insulation, and components for liquid lines.
Details line sizing and routing for gas lines.
Explains the function of the DETINT for oil migration prevention.
Warns against risks associated with underground refrigerant lines.
Advises on insulating gas lines to prevent heat gain.
Discusses adding gas line filters and access ports.
Describes the purpose of access ports in gas lines.
Explains selection criteria for expansion valves based on system needs.
Details requirements and warnings for check valve installation.
Guides TXV selection for capacity and setting superheat.
Details 5-minute intervals for compressor staging and stability.
Discusses the history and impact of hot gas bypass.
Explains Frostat system's role in preventing coil freezing.
Points to further information on HGBP.
Outlines system changes needed for R-410A conversion.
Stresses compatibility of all components with R-410A and POE oil.
Warns about using POE oil and potential damage from moisture.
Describes MCHE design and its impact on refrigerant charge.
Lists practices to avoid with MCHE to prevent high pressure trips.
Illustrates piping for TTA cooling-only units with TWE air handlers.
Shows typical piping for TTA cooling-only units with matched indoor coils.
Depicts typical piping for TWA heat pumps with TWE air handlers.
Illustrates typical piping for TWA heat pumps with matched indoor coils.
Shows piping for single-circuit TTA/TWA units with one distributor.
Details piping for single-circuit TTA/TWA units with two distributors.
Illustrates piping for dual-circuit TTA/TWA units with two distributors.
Shows piping for evaporator coils with four distributors.
Depicts piping for dual-circuit units with four distributors.
Lists component selections for TTA cooling microchannel units (6-25 tons).
Lists component selections for TWA heat pump units (6-20 tons).
Provides a table of expansion valves for TTA/TWA applications.
Details R-410A refrigerant charge per 100 ft for various OD sizes.
