Page 37
TABLE 15
Cooling Mode Blower Speed Ramping
Ramping Option
Switch 9
Switch 10
A (Factory)
Off
Off
B
Off
On
C
On
Off
D
On
On
Ramping Option A (Factory Selection)
Motor runs at 50% for 30 seconds.
Motor then runs at 82% for approximately 7−1/2 minu-
tes.
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 sec-
onds then ramps down to stop.
OFF
OFF
1/2 MIN
50% CFM
COMPRESSOR DEMAND
7 1/2 MIN
82% CFM
100%
CFM
1/2 MIN
50% CFM
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.
OFF
OFF
82%CFM
100% CFM
COMPRESSOR DEMAND
7 1/2 MIN
Ramping Option C
Motor runs at 100% until demand is satisfied.
Once demand is met, motor runs at 100% for 45 sec-
onds then ramps down to stop.
OFF
OFF
100% CFM
100% CFM
45 SEC.
COMPRESSOR
DEMAND
Ramping Option D
Motor runs at 100% until demand is satisfied.
Once demand is met, motor ramps down to stop.
OFF
OFF
100% CFM
COMPRESSOR
DEMAND
Switches 11, 12 and 13 −− Heating Mode Blower Speed −−
The switches are factory set to the OFF position which pro-
vides factory default heat speed. Refer to table 16 for
switches 11, 12 and 13 that provided the corresponding in-
creases or decrease to both high and low heat demand.
TABLE 16
Heating Mode Blower Speeds
Heat Speed
Switch
11
Switch
12
Switch
13
Increase 24%
On
On
On
Increase 18%
On
On
Off
Increase 12%
On
Off
On
Increase 6%
On
Off
Off
Factory Default
Off
Off
Off
Decrease 6%
Off
Off
On
Decrease 12%
Off
On
Off
Decrease18%
Off
On
On
Switches 14 and 15 −− Continuous Blower Speed −−
Table 17 provides continuous blower speed adjustments
that will result from different switch settings.
TABLE 17
Continuous Blower Speed
Continuous
Blower Speed
Switch 14
Switch 15
28% of High Cool Speed
Off
On
38% of High Cool Speed
(Factory)
Off
Off
70% of High Cool Speed
On
Off
100% of High Cool Speed
On
On
