Electrical Data
Fan Speed Control (FSC) Head Pressure Control (Standard)
The winter control system for the
The control system shall be complete with transducers, thermostats and electrical control circuit, fac- tory prewired and tested in an integral control panel. The transducer shall automatically sense the head pressure of the compressor and control the variable speed fan on the
The fan speed control system shall provide positive
Liebert Lee-Temp Head Pressure Control (Optional)
The winter control system for the
and require a separate power supply of (115) (230) _____ Volt, single phase, _____ Hz.
Centrifugal Fan Condenser (Optional)
The system shall be supplied with a centrifugal fan condenser (LCC). The condenser shall be con- structed of galvanized steel with a copper tube, aluminum fin coil. The heavy duty fan shall be the centrifugal type, double 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 Liebert Lee- Temp head pressure control system shall be field piped to the unit. Electrical controls shall be in a rain- tight enclosure.
The system shall be designed for _____ °F (°C) ambient. The
Volt, 3 phase, _____ Hz power supply.
2.2.2Water or
Indoor Unit Condenser
The water/glycol system shall be equipped with a coaxial condenser having a total pressure drop of
_____ ft. of water (kPa) and a flow rate of _____ GPM (l/s) with _____ °F (°C) entering water/glycol temperature.
Two-way Water Regulating Valve with Bypass (Standard)
The condenser circuit shall be
Three-Way Water Regulating Valve (Optional)
The condenser circuit shall be
Design Pressure
The condenser water/glycol circuit shall be designed for a pressure of [(150 PSI (1034 kPa)) (350 PSI (2413 kPa))].
Crankcase Heater (Optional)
A crankcase heater is provided to prevent the migration of refrigerant to the compressor during off cycles.
Hot Gas Reheat (Optional)
The complete hot gas reheat system shall include a copper tube, aluminum fin coil,
70/30 Cu-Ni Econ-O-Coil
This coil replaces the standard copper tube coil to provide improved resistance to corrosion.
This option must be specified whenever a GLYCOOL or Dual Cooling Source system is applied to a cooling tower loop or other open water system.
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