Carrier GEN IV Operator's Manual

Contents

Carrier GEN IV Operator's Manual Manual pdf 13 page image

11 T--326Move the ON/OFF switch to the ON position. A green light willilluminate indicating that the controller has power. At the same timethe evaporator fans will operate in either Low, Medium or Highspeed, depending on the Fan Speed switch location.123451 Face Plate2 Green Light3 Rocker Switch, 2 Position, ON/OFF4 Rocker Switch, 3 Position, LOW--MED--HIGH5 Thermostat Control (Potentiometer)Figure 2-2 Switch Assembly (TEMPCON)2.3.2 Fan Speed Switch -- 3 SpeedThe evaporator fan speeds can be adjusted by pushing the rockerswitch to the desired position:a. H = High Speedb. M = Medium Speedc. L = Low SpeedWhen the evaporator fan speed switch is positioned at the desiredspeed, a signal is sent to the corresponding fan speed relay locatedon the electrical circuit board.2.3.3 Thermostat ControlThe thermostat control potentiometer has an operating range of 60to 85 degrees F.Rotate the potentiometer switch knob to the right (clockwise) formaximum cooling. Rotate the potentiometer switch knob to the left(counterclockwise) for less cooling.