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Cooling Mode Blower Speed Ramping
Ramping Option A (Factory Selection)
•
Motor runs at 50% for 30 seconds.
•
Motor then runs at 82% for approximately 7-1/2 minutes.
•
If demand has not been satisfied after 7-1/2 minutes,
motor runs at 100% until demand is satisfied.
•
Once demand is met, motor runs at 50% for 30 seconds
then ramps down to stop.
Ramping Option B
•
Motor runs at 82% for approximately 7-1/2 minutes.
If demand has not been satisfied after 7-1/2 minutes,
motor runs at 100% until demand is satisfied.
•
Once demand is met, motor ramps down to stop.
Ramping Option C
•
Motor runs at 100% until demand is satisfied.
•
Once demand is met, motor runs at 100% for 45
seconds then ramps down to stop.
Page 58 of 80
Table 17
Ramping Option D
•
Motor runs at 100% until demand is satisfied.
•
Once demand is met, motor ramps down to stop.
Switches 11, 12 and 13 — Heating Mode Blower Speed
The switches are factory set to the OFF position which
provides factory default heat speed. Refer to Table 18 for
switches 11, 12 and 13 that provided the corresponding
increases or decrease to both high and low heat demand.
Heating Mode Blower Speeds
Issue 1621
Table 18
507404-04
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