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APC NetworkAIR AFX Series: Optional Features 15
Reheat Hot water or steam reheat. An on/off solenoid valve for steam reheat, or a
modulating valve for hot water reheat maintains the dry bulb temperature
when the system is in dehumidification and heat mode. Completely factory
pre-piped, the system includes a copper tube, aluminum-fin reheat coil,
solenoid valve, float, and thermostatic and steam trap for steam reheat only.
Hot gas reheat. The copper tube, aluminum fin hot gas reheat coil
maintains the leaving dry bulb temperature when the system is in the
dehumidification mode. The coil is controlled by the microprocessor through
a factory-piped-and-wired three-way heat reclaim regulator and check valve
(water/glycol only).
System Components Premium efficiency motor(s). High efficiency motors conserve energy
over periods of continuous fan operation.
High efficiency filter(s). Pleated final filters with an efficiency of 40% and
60% (ASHRAE 52.2), 4" (102 mm) deep, allow the removal of a greater
percentage of airborne particulate contaminates.
Prefilter(s). Intended to capture large airborne particulate contaminates,
thereby extending the life of the high-efficiency filter. Prefilters are 1" (25
mm) deep and easily disposable.
Condensate pump. The factory installed and wired condensate pump will
pump 36 gal/h (0.06 L/s) at 15 ft. (4.6 m) head.
High pressure water regulating valve(s). Water and glycol systems may
utilize an optional regulating valve, which operates with a maximum pressure
of 350 psi (2400 kPa), to automatically control condensing temperature.
Flared filter-drier connection. Flared threaded connections can be
provided on either side of the filter drier to expedite replacement.
Hot gas bypass. An auxiliary side-port hot gas bypass circuit. The
activation of the hot gas bypass circuit will maintain the evaporator coil
temperature during low load conditions. This optional feature will offer
longer compressor run times and minimize compressor cycling and
temperature fluctuations.
Pressure gauges. Suction and discharge pressure gauges may be provided
for the convenience of service personnel.