Friedrich SH20 Hazardgard Special Features, Control Panel, Exclusive, Function Control Power

920-024-05 (12-04)

Hazardgard Special Features

•Permanent Split-Capacitor, totally enclosed fan motor to assure efficient operation even under adverse electrical conditions. Motor has a special stainless steel shaft to resist corrosion and a hermetically sealed overload for arc-free operation.

•High capacity compressor with internal hermetically sealed overload.

•Solid-state printed circuit board insulated against corrosion on conductor paths. Contains transient voltage suppressor to protect controls against transient voltage spikes. Provides solid state switches for arc-free operation.

•Hot gas bypass low ambient control to permit operation without freezing at outdoor ambient temperatures as low as 45°F (7°C).

•Environmentally sealed on-off switch and gold plated contacts in thermostat for corrosion resistance.

•Electrodeposited epoxy primer and alkyd enamel, both oven-baked for an attractive, long-lasting finish.

•Copper tubing/aluminum fin coils.

•Galvanized steel cabinet and base pan, all bonderized.

•Slide-out chassis for easy installation in window or through–the–wall.

•Extra insulation inside, including completely insulated plenum chamber for quieter, more efficient cooling.

•Entire unit test run in environmental chamber before crating.

•Eight–way air flow control for uniform air circulation.

•Patented electronic control circuit.

•Condensate drain with exclusive mosquito trap.

•15ampcircuitwithtime-delayfuserequired. Accommodates direct wiring.

•Long lasting 3/8" (10 mm) thick air filter, germicidally treated, easily removed for cleaning.

Friedrich Air Conditioning quality has been proven by more than 25 years of successful experience from the Gulf of Mexico to the searing sands of the Arabian desert.

Control Panel
Function Control (Power)
This switch is a double pole, single throw toggle switch.
ON - Turns everything on.
OFF - Turns everything off.
Temperature Control
The knob at the bottom is the thermostat which is a cross ambient
type used to maintain the desired comfort level. The thermostat
reacts only to a change in temperature at the bulb location - turn
the knob clockwise to set cooler, counterclockwise for warmer.
Exclusive
Friedrich leads with the first UL Listed Room Air Conditioners
designed to cool living quarters and other enclosures situated in
hazardous locations where specific volatile flammable liquids or
gases are handled or used with enclosed containers or systems.
Friedrich Hazardgard room air conditioners are designed to
meet the National Electrical Code, Article 500 requirements
for Class I, Division 2, Groups A, B, C, D Hazardous locations,
and are the only air conditioners UL Listed for this application.
THIS UNIT IS LISTED BY UNDERWRITERS LABORA-
TORIES FOR USE IN CLASS I, DIVISION 2, GROUPS A,
B, C, D HAZARDOUS LOCATIONS. Operating Temperature
Code: T3B.	5