PGB Series (Commercial)
Nominal Cooling Capacities 90,000 to 180,000 BTUH (26.4 to 52.8 KW)
Nominal Heating input rates 210,000 to 245,000 BTUH (61.5 to 71.8 KW)

Description / Application
Combination Gas Heat Electric Cooling.
Over/Under or downflow application.

Accessories
Room thermostat.
Rooftop lift kit.
Low ambient control.
Roof curb.
Economizers (horizontal and vertical).
Manual fresh air damper.
Motorized fresh air damper.
Horizontal duct kit
L.P. (G31 Gas) Kit
Panel Louver Kit.
See p.12 for detailed part #’s.

Cabinet Construction
Heavy gauge zinc coated steel cabinet with weather resistant powder paint finish.
Fully insulated with blankets of insulation.
Base rails with fork slots for convenience of handling and added rigidity.
Built-in filter rack.

Standard Features
Dual high efficiency scroll compressors with internal motor protection (two stage cooling) (three compressors on 15 ton).
Compressor grommets for vibration isolation.
Time delay for compressors sequence.
Fully charged R-22 systems.
High and low pressure controls on all systems.
Mild ambient switch.
Two independent condenser coils for two stage operation.
Totally enclosed, permanently lubricated outdoor fan motors.
Vertical discharge with removable grilles provide easy access to fans and motors.
Enhanced copper tube - Aluminum fin coils.
Expansion valve evaporator coil.
Galvanized Steel / Powder coated drain pan with 3/4" (19mm) NPT condensate connection.
Belt driven variable pitch sheave permits multi-speed adjustment.
Centrifugal fan for quiet and efficient operation.
Filters provided with unit - 2" (50.8mm) disposable.
Control box and compressors easily accessible from side access panels.
Factory wiring conveniently arranged for installation of accessories.
Combination redundant gas valve and regulator.
Heavy gauge aluminized steel heat exchangers.
Power assisted combustion.
Integrated DSI ignition Control.
Operation to 0° F (-18° C)