37
and their corresponding taps. Verify CFM by noting the
number displayed on the dual 7-segment LED display.
6. The multi-speed circulator blower also offers several custom
ON/OFF ramping profiles. These profiles may be used to
enhance cooling performance and increase comfort level.
The ramping profiles are selected using DIP switches S4-
1, 2. Refer to the following figure for switch positions
and their corresponding taps. Refer to the following bullet
points for a description of each ramping profile. Verify
CFM by noting the number displayed on the dual 7-segment
LED display.
34
AOFFOFF
B* ON OFF
COFFON
DONON
(Indicates factory setting)
Sw itch Bank S4
Heating
Airflow
DIP Sw itc h No.
• Profile A provides only an OFF delay of one (1) minute
at 100% of the cooling demand airflow
.
OFF
100% CFM 100% CFM
1 min
OFF
Figure 50
• Profile B ramps up to full cooling demand airflow by
first stepping up to 50% of the full demand for 30
seconds. The motor then ramps to 100% of the
required airflow. A one (1) minute OFF delay at 100%
of the cooling airflow is provided.
50% CFM
1/2 min
100% CFM
100% CFM
1 min
OFF
OFF
Figure 51
• Profile C ramps up to 85% of the full cooling demand
airflow and operates there for approximately 7 1/2
minutes. The motor then steps up to the full demand
airflow. Profile C also has a one (1) minute 100%
OFF delay.
100% CFM
OFF
OFF
Figure 52
NOTE: To enable adjustments and select -5, 5, -10 or 10% trim,
you must set dip switch S5-2 to ON. If S5-2 is in the OFF position,
you will receive 0% trim.
12
AOFFOFF
BONOFF
COFFON
D* ON ON
Sw itch Bank : S3
Cooling Speed
Taps
DIP Sw itc h No.
(*Indicates factory setting)
34
+ 5%* OFF OFF
- 5% ON OFF
+ 10% OFF ON
- 10% ON ON
Sw itch Bank : S3
Adjust Taps
DIP Sw itc h No.
(*Indicates factory setting)
• Profile D ramps up to 50% of the demand for 1/2 minute,
then ramps to 85% of the full cooling demand airflow
and operates there for approximately 7 1/2 minutes.
The motor then steps up to the full demand airflow.
Profile D has a 1/2 minute at 50% airflow OFF delay.
OFF
OFF
Figure 53
To Next Page
Loading...
Need help?
General
