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General| Brand | Data Aire |
|---|---|
| Model | gForce GT series |
| Category | Air Conditioner |
| Language | English |
Ensures proper space conditions by defining vapor barrier and minimizing outside air for optimal performance.
Details factory testing, shipping damage checks, and handling of loose items for unit verification.
Provides guidelines for safely moving the unit, using skids, spreader bars, and casters.
Specifies required clearances, placement strategies for optimal air distribution, and avoiding corners.
Lists included documents like start-up sheets, warranty cards, and manuals; stresses contractor responsibility.
Outlines procedures for storing equipment to prevent damage and maintain integrity before installation.
Covers refrigerant line sizing, installation practices, and general piping requirements for air-cooled units.
Details requirements for hot gas lines, including trapping, check valves, and piping placement.
Specifies liquid line sizing based on pressure drop and velocity, and insulation considerations.
Addresses suction line requirements, trapping, selection, and insulation for compressors.
Provides a table of recommended pipe sizes for hot gas, liquid, and suction lines for different models.
Illustrates recommended piping for remote condensers located above the evaporator, with notes and diagrams.
Details recommended piping practices for remote condensers situated below the evaporator.
Covers fluid cooler pipe sizing, water source connections, and shut-off/drain valve requirements.
Presents a field piping diagram and notes for water/glycol systems, including expansion tanks and pumps.
Lists pipe connection sizes for water in/out for various water/glycol cooled unit models.
Provides a table detailing water in/out connection sizes for different fluid cooler models.
Explains connection sizes for auxiliary chilled water coils and shared piping for energy saver coils.
Details condensate drain stub size, trap requirements, pitching, and condensate pump considerations.
Covers makeup water connection, shutoff valve, pressure regulator, and strainer for steam humidifiers.
Specifies requirements for dry steam humidifiers, including inlet strainers and steam traps.
Outlines procedures for leak testing refrigeration and other system lines using dry nitrogen and leak finders.
Details the process of evacuating refrigerant lines and coils to a specific micron level.
Discusses verifying service capacity and power sources for various unit configurations and accessories.
Advises referring to the unit nameplate for electrical requirements like MCA and MOP device ratings.
Emphasizes the need for a proper, uninterrupted earth ground connection to the unit cabinet.
Specifies acceptable voltage tolerance and phase imbalance, advising contact with utility for issues.
Covers interconnection wiring for remote heat exchangers, including wire gauge and number of conductors.
Explains how to wire a field-supplied dry contact for remote unit shutdown via terminals TB1.
Details available remote alarm output contacts from the dap4 controller for system monitoring.
Discusses optional remote sensor mounting for temperature and humidity sensing with specific wiring needs.
Covers power requirements for loose or mounted condensate pumps and their alarm integration.
Explains the placement and connection of the under-floor condensate probe for water detection.
Describes the water detection cable option for sensing moisture along its length within the unit perimeter.
Details the proper mating procedure for the DIN type connector to the EEV valve stator.
Guides on checking voltage phasing for indoor evaporators and compressor rotation consistency.
Details refrigerant charging for air-cooled systems with modulating fan speed control.
Covers refrigerant charging procedures for flooded type systems with liquid receivers.
Provides guidelines for charging water/glycol cooled units, including temperature and pressure settings.
Outlines EPA regulations for refrigerant recovery, venting, and technician certification requirements.
Details key components like expansion valves, high/low pressure cutout switches and their functions.
Explains the importance of glycol concentration for freeze protection and how to determine total system volume.
Provides a table of internal fluid volumes for downflow evaporator models, standard and energy saver.
Lists internal fluid volumes for upflow evaporator models, standard and energy saver configurations.
Presents a table of internal fluid volumes for various fluid cooler models.
Shows fluid volumes per 100 feet for different copper pipe diameters.
Provides a chart showing freezing points for various concentrations of ethylene and propylene glycol.
Introduces the dap4 controller and refers to its dedicated manual for detailed operation and setup.
Briefly describes controls on remote units and refers to specific O&M manuals for details.
Explains the purpose of wiring diagrams provided for service personnel to understand electrical interfaces.
Details startup procedures for EC motors and plug fans using manual override and control signals.
Explains how to test plug fan modules in manual mode to verify fan speed control operation.
Lists built-in protective features of EC motors such as over-temperature, locked rotor, and voltage protection.
States that EC motors are sealed and maintenance-free, with replacement being the only service option.
Guides on checking and changing air filters regularly for efficient operation and preventing airflow restriction.
Notes that humidifier canisters require replacement based on usage and water type, with no other maintenance.
Advises on replacing fuses with equivalent ratings and selecting appropriate fuse types for different components.
Recommends periodic cleaning of heating elements to prevent smoke or odors from accumulated film or dirt.
Advises replacing the filter drier when the refrigeration system is opened for repairs or compressor replacement.
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