The GLYCOOL coil shall be equipped with a fully proportional
Glycol Condenser
The glycol system shall be equipped with a coaxial condenser having a total pressure drop of _____ feet
of water (kPa) and a flow rate of _____ GPM (l/s),
with _____ °F (°C) entering 40% ethylene glycol tem-
perature.
The condenser circuit shall be
Design Pressure
The GLYCOOL coil/condenser circuit shall be designed for a pressure of [(150 PSI (1034 kPa)) (300 PSI (2069 kPa))].
Comparator Circuit
The system shall be equipped with a microprocessor- controlled comparator sensor that permits
Propeller Fan Drycooler (Standard)
The Liebert manufactured drycooler shall be the low profile, slow speed, direct drive propeller fan type. The drycooler shall be constructed of aluminum and contain a copper tube aluminum fin coil with an inte- gral electric control panel. The drycooler shall be designed for _____ °F (°C) ambient.
Centrifugal Fan Drycooler (Optional)
The system shall be supplied with a centrifugal fan drycooler (LCD). The drycooler shall be constructed of galvanized steel with a copper tube, aluminum fin coil. The heavy duty fan shall be the centrifugal type, dou- ble width, double inlet. The 1750 RPM (1450 RPM @ 50 Hz) fan motor shall be mounted on an adjustable base, and equipped with an adjustable motor pulley. A
_____ Volt, 3 phase, _____ Hz power supply.
Single Glycol Pump Package (Standard)
This system shall be provided with a centrifugal pump mounted in a weatherproof and vented enclo- sure. The pump shall be rated for _____ GPM (l/s) at
_____ ft. of head (kPa), and operate on _____ Volt,
3 phase, _____ Hz.
Dual Glycol Pump Package (Optional)
The dual pump package shall include pumps, enclo- sure, and field mounted flow switch. The pumps shall be wired to the drycooler control box which includes a lead/lag switch for the pumps. The standby pump shall automatically start upon failure of the lead pump. Each pump shall be rated for _____ GPM (l/s)
at _____ feet of head (kPa).
Direct Expansion Coil
The evaporator coil shall have _____ sq.ft. (sq. m)
face area, _____ rows deep. It shall be configured as
(A)(V) frame and be constructed of copper tubes and aluminum fins and have a maximum face velocity of
_____ ft. per minute (m/s) at _____ CFM (CMH). The coil shall be provided with a stainless steel drain pan.
Refrigeration System
The refrigeration system shall consist of a rugged scroll compressor, pressure safety switches, exter- nally equalized expansion valve, filter dryer, and a refrigerant sight glass and moisture indicator.
Refrigerant Line Sets (Optional)
The condenser coil shall be constructed of copper tubes and aluminum fins. The condensing unit shall be factory assembled, charged with refrigerant and sealed.
Components shall include scroll compressor, high- pressure switch,
The condensing unit shall be designed for 95°F (35°C) ambient and be capable of operation to
A hot gas bypass circuit shall be provided to reduce compressor cycling and improve operation under low load conditions.
The condenser fan shall be designed for
_____ CFM (CMH) at _____ inches (mm) external
static pressure.
(Optional) Disconnect
Factory installed
The condensing module shall be capable of being con- nected to the evaporator section using
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