Specifications

CONTROLS — SYSTEMS USING HIGH WALL FAN COILS (cont)
ADJUSTS IF SHORT
DEFROST CYCLE
(LESS THAN
3 MINUTES)
ADJUSTS IF LONG
DEFROST CYCLE
(MORE THAN
6 MINUTES)
DEFROST REGION ONE
(MINIMUM UNIT RUN TIME
= 50 MIN.*)
DEFROST REGION THREE
DEFROST REGION TWO
(MINIMUM UNIT RUNTIME
= 6 HOURS*)
(NO DEFROST OPERATION)
AT MAXIMUM ADJUSTMENT
NOMINAL (AT POWER-UP)
AT MINIMUM ADJUSTMENT
-10
0
10
20
20
40
OUTDOOR AIR TEMPERATURE (F)
-10
0
10
20
30
40
OUTDOOR COIL TEMPERATURE (F)
Electronic Control Defrost Regions Map
*A defrost will be initiated after 30 minutes of compressor run time if the outdoor
coil temperature is less than −4° F.
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