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Make certain you plug the RED connection to the RED
connection on theECU,
Failure to make correct connection will lead to ECU board
failure and will NOT be covered under warranty
CALIBRATING YOUR CONTROL HEAD TO THE EVAPORATOR UNIT
Please reaad through this portion of the instructions before starting, if at any reason you
feel the unit did not calibrate correctly, turn unit off and rerun calibration process.
Insert calibration key into six pin connectior on ECU board.
Move the MODE ( bottom)lever to the far right.
Move the TEMP (middle) lever to the far left.
Power up the Board (turn fan switch to LOW) LED on calibration key comes ON
After 1 second the LED turns OFF
After 1 second the LED comes ON
Move the MODE (bottom) lever to far left.
After 1 second the LED turns off
After 1 second the LED truns on
Move the TEMP (middle) lever to the far right.
After 1 second the LED turns OFF
After 1 second the LED turns ON
The motor calibration starts, one way then the other, the doors will stop at their
midpoints. (during this time do not touch the control head)
LED turns OFF
Turn power OFF (blower sitch)
Remove the calibration key and store.
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