Sizing your air conditioner correctly is vital.
FT
2
Btu/h
100-150 5,000
150-250 6,000
250-300 7,000
300-350 8,000
350-400 9,000
400-450 10,000
450-550 12,000
550-700 14,000
700-1,000 18,000
1,000-1,200 21,000
1,200-1,400 23,000
1,400-1,600 25,000
1,600-1,900 28,000
1,900-2,700 36,000
Due to variations in room design, climate zone and occupancy, larger areas may require the use
of multiple units to provide the optimal cooling solution. Please consult your retail sales person.
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Room Air Conditioner Model Identication Guide
S L 28 M 3 0 A
FUNCTION
S–Straight Cool C–Straight Cool
X–Straight Cool Y–Heat Pump
E–Electric Heat
CHASSIS
Q–Portable P–Programmable
S–Small Chassis M–Medium Chassis
L–Large Chassis
MODEL SERIES
APPROXIMATE
BTUs (000) Cooling
VOLTAGE
1–115 Volts 3–230/208 Volts
0 – Straight Cool and
115V Heat Pump Models
1 – 1 KW heat strip, Nominal
3 – 3 KW heat strip, Nominal
4 – 4 KW heat strip, Nominal
5 – 5 KW heat strip, Nominal
Letter at end of model number indicates
a modification to an existing model.
Sizing Guide
The following guide is based on normal room insulation, average number of sun-exposed windows and two-person occupancy.