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I
MODEL INFORMATION
UNIT DESCRIPTION
G&D large capacity chillers are reciprocating type, air-cooled, liquid chillers, designed for installation outdoors. This
chiller utilizes independent condenser circuits, with one compressor per circuit. It includes complete refrigeration
circuits, including on board controls, pumps, reservoir, evaporators and condensers, and all the necessary controls
and safeties.
Note: Each large capacity chiller unit is a completely assembled, hermetic package that is factory- piped, wired, leak-
tested, dehydrated, charged and tested for proper control operations prior to shipment. The chilled fluid inlet and
outlet openings are covered for shipment.
The chiller features G&D's custom chiller controls, with tunable staging for accurate and efficient temperature
control.
Each refrigerant circuit is provided with a removable core filter/drier, sight glass, electronic expansion valve, and
charging valves.
The evaporator is a brazed plate or shell-and-tube heat exchanger. The condenser is an air-cooled horizontal fin and
tube coil.
Accessory/Options Information
Check all the accessories and loose parts which are shipped with the unit against the original order. This may include
glycol, spare parts, etc.
UNIT NAMEPLATE
OVERVIEW
This manual covers the installation, operation and maintenance of the Vertical Air series package chillers.
NAMEPLATES
The chiller nameplate is applied to the exterior surface of the control panel door.
A compressor nameplate is located on each compressor.
The chiller nameplate provides the following information:
•
Unit model and size descriptor
•
Unit serial number
Identifies unit electrical requirements
•
•
Lists correct operating charges of refrigerant
•
Lists unit design pressures
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