Operating and Maintenance Instructions
210-OMI13277_Iss1.doc
ORIGINAL INSTRUCTIONS
Page 8 of 15
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CN1090
Set the Proportional Band Control Fan Minimum and Maximum speeds:
Adjust Rotary DIP Switch S2 to set the fan Minimum speed control voltage.
Adjust Rotary DIP Switch S3 to set the fan Maximum speed control voltage.
See table below
Rotary DIP
Switch
Position
Fan Speed
Voltage
0
0
1
2.0
2
2.6
3
3.1
4
3.7
5
4.2
6
4.8
7
5.3
8
5.9
9
6.4
A
7.0
B
7.5
C
8.1
D
8.6
E
9.2
F
10.0
To invert Speed Control Output (Heating Profile), make S2 setting higher than S3 setting, set S2 to the maximum
speed and S3 to the minimum speed.
