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Dakota Digital PAC-2750 Installation Manual page 3

Electric cooling fan controller

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Set Up
1.
Press and hold SW2, then turn the key on.
2.
Release SW2, then press and release SW1 to move onto the next step.
3.
To select temperature scale to use, press and hold SW1 to select F (Fahrenheit)
or press and hold SW2 for C (Celsius). Hold the switch for longer than one second to select. Once a temperature
scale is selected, the display will flash and go on to next setting.
4.
Display will now read Lon indicating low fan on temperature is to be set. Use SW1 or SW2 to select the
temperature at which the fan should turn on. Press both switches to save the setting. Display will flash when
setting is saved.
Note: SW1 increases the temperature, while SW2 decreases the temperature.
5.
Display will now read OFF indicating low fan off temperature is to be set. Again, use SW1 or SW2 to set the
temperature at which the fan should turn off. Press both switches to save the setting.
6.
If two fan or dual speed fan mode was previously selected, temperature settings for the high fan output are at this
point in setup for convenience. If single fan mode is set up, setup will skip high temp settings and go to Step 7.
6a.
Display will now read Hon indicating high fan on temperature is to be set. Use SW1 or SW2 to set the
temperature at which the fan should turn on. Press both switches to save the setting.
6b.
Display will now read OFF indicating high fan off temperature is to be set. Use SW1 or SW2 to set the
temperature and press both switches to save the setting.
7.
Display will read dLy Use SW1 or SW2 to cycle through the following options. Press both switches to select an
option.
Display
OFF
0.5
0.7
1.0
2.0
3.0
5.0
8.
Display will read FAN indicating fan type is to be set. Use SW1 or SW2 to select the fan type used. Press both
switches to save setting.
Display
1
2
SPD
Note: If two fan or dual speed are selected and high fan temp setting was not set before, setup will return to Step
6 to allow temp settings to be made.
9.
Display will read VAr for a future option. This should be left OFF. Press both switches to save setting.
Option
Fan will turn off when key is turned off.
If fan was running at key off, it will continue to run for 30 seconds after key is turned off.
If fan was running at key off, it will continue to run for 45 seconds after key is turned off.
If fan was running at key off, it will continue to run for 1 minute after key is turned off.
If fan was running at key off, it will continue to run for 2 minutes after key is turned off.
If fan was running at key off, it will continue to run for 3 minutes after key is turned off.
If fan was running at key off, it will continue to run for 5 minutes after key is turned off.
Option
one single speed fan
two single speed fans
& some dual spd fans
one dual speed fan
(only low fan output used)
(high and low fan outputs both on for high temp,
only low fan output on for low temp)
(high fan output on, low fan off for high temp,
high fan off, low fan on for low temp)
MAN# 650411:B

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