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PAC-2700
ELECTRIC COOLING FAN CONTOLLER
PAC-2700
FAN CONTROLLER
IMPORTANT NOTE:
CUSTOM
The +12V for the
ADJUSTMENT
controller should NOT
be taken from the same
circuit as the Fan Power
12V as this can cause
the fan to cycle on and
+12V with key ON
off.
A/C clutch cycle switch
Choose
(+12v trigger)
option
Not used in
GAUGE
below
sender only
application
Fused battery 12V
SENDER
Fan Fan Fan Fan Fan Fan
High Low High Low High Low
+12V +12V +12V
NOT
CONNECTED
Fan
PWR
+12V
FAN2 FAN FAN
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Operation The electric cooling fan controller provides a way to run up to two electric engine cooling fans or one two speed cooling fan. (A second relay, sold separately, is required for two speed or dual fan operation). The controller monitors the engine temperature using a dedicated sender, or a gauge and its sender. When the engine temperature goes above a user adjustable set point, the fan is turned on with a relay. When the engine has cooled below a user selectable off temperature, the
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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 (Fahrenheit) or press and hold SW2 for (Celsius). Hold the switch for longer than one sec to select. Once a temperature scale is selected, the display will flash and go on to next setting. 4. Display will now read indicating low fan on temperature is to be set. Use SW1 or SW2 to selec
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Custom Calibration Note 1: If your engine is warm you may need to disconnect the wire from your sender in order get to the lower points on the gauge. Note 2: If the key is turned off in custom setup, the previous gauge setting will be used and the custom gauge will not be saved. Note 3: If your gauge does not have defined ticks with numerical temp readings, it is highly recommended to use a dedicated sender as calibration to the gauge is very inaccurate or impossible without temp marki
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TROUBLESHOOTING PROBLEM CAUSE SOLUTION Display reads “Er0” Setup memory lost, unit needs to be Go through setup procedure, (see setup in this manual) (lost memory) recalibrated Display reads “Er1” Wrong gauge selected Select proper gauge in setup or use custom cal if (shorted sender) needed Gauge disconnected from sender Reconnect gauge to sender (gauge option only) Check sender wire for short to ground, look for pinched Sender is shorted sender wire or bare connection touching
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TROUBLESHOOTING (continued) PROBLEM CAUSE SOLUTION Custom gauge setup Not enough points used Make sure that at least 4 points of gauge are set displays “Err” and returns to “Snd” setup Points not input in correct order Set gauge points in order from cold points to hot points option Point entered twice Each point set must be different that the point before it Fans cycle on-off +12v for controller taken from same Connect the +12V for the controller to a different circuit especially whe
