AEC ACOA Series Air-Cooled Central Chillers - Manual (Page 22)

3 Installation
3-1 Installation Location Considerations
• Consult a structural engineer to assure that the floor, mounting pad, or structural steel
support is of adequate strength.
• Provide a level foundation for proper operation.
• Put the air-cooled condenser(s) where plenty of ambient air can flow to the condenser and
can also remove the heated air from the area.
• Keep the condenser away from steam, hot air, or fume exhausts.
• Put chiller/condensers where sound levels and vibration can not be a problem.
• Support the chiller/condenser to avoid vibration and noise transmission into the building.
• ACOA chiller/condensers feature rubber shear vibration isolators.
• Mount rooftop condensers over corridors, utility areas, rest rooms, etc., or consult with
sound/structural specialists on critical installations.
• Locate the unit close to your process to reduce piping expense.
• Locate the unit adjacent to drain and city water sources.
• Allow sufficient space for maintenance and easy access to all components.
3-2 Process Water Piping Considerations
• Constant process water flow through the evaporator is critical for proper operation.
• Minimum external pressure drop is critical for proper operation.
• Run all properly-sized external chilled water connections for the process.
• Provide the largest possible openings and passages for the flow of chilled water through
platens, dies, molds, or other pieces of equipment.
• If process piping is exposed to temperatures below 32ºF (0ºC), use heater tape and/or
insulation to protect it from freezing. Main power is required to keep the tape, sump
heaters, and evaporator heaters on. Addition of anti-freeze is highly recommended for this
unit(s).
• Install water pressure gages before and after the evaporator (if not factory installed) to
make sure water pressure and flow rate are constant.
ACOA Series Air-Cooled Central Chillers
Page 21