jobsite. A nesting feature ensures a positive basepan to roof
curb seal when the unit is roof mounted. A convenient
wide perimeter flange makes frame mounting on a rooftop easy.
Downflow Operation is easily provided in the field to allow ver-
tical ductwork connections. The basepan utilizes knockout style
seals on the bottom openings to ensure a positive seal in the
horizontal airflow mode.
Integrated Gas Control (IGC) Board provides safe and effi-
cient control of heating and simplifies troubleshooting through
its built-in diagnostic function.
Cabinets are constructed of heavy-duty, phosphated, zinc-
coated prepainted steel capable of withstanding 500 hours in
salt spray. Interior surfaces of the evaporator/heat exchanger
compartment are insulated with cleanable semi-rigid insulation
board, which keeps the conditioned air from being affected by
the outdoor ambient temperature and provides improved indoor
air quality. (Conforms to American Society of Heating, Refrig-
eration and Air Conditioning Engineers No. 62P.) The sloped
drain pan minimizes standing water in the pan.
3
⁄
-in.
4
Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,2
ARI Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,4
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-17
Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2
TABLE OF CONTENTS
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