HVAC 29 15. INSPECTION OF MODE AND TEMPERATURE ACTUATOR The actuator door flap is positioned on the mode/temperature detent select by the user by means of the respective rotary knob. The control panel provides voltage corresponding to the user selected knob position. The servomotor in the actuator cause the door flaps to move to the desired location and provide a feedback signal to the control panel. 1. To calibrate the actuator follow the below steps 2. Turn the IGN OFF and disconnect the battery. 3.Wait for approximately one minute and then reconnect the battery. Once the battery is connected again wait for one minute and turn the IGN ON. Actuators are now calibrated. Wait for one more minute after IGN is turned ON until the actuators are calibrated Feedback Signal Values for Mode Actuator Sr. No. Detent Position Mode selected Knob angle in degrees (CW starting from initial chest mode) voltage Min (V) Nominal (V) Max (V) 1 1 Chest 0º 1.0 1.05 1.1 2 2 Chest-Leg 67.5º 1.6 1.65 1.7 3 3 Leg 135º 2.23 2.28 2.33 4 4 Leg-Defrost 202.5º 2.87 2.92 2.97 5 5 Defrost 270º 3.48 3.53 3.58 Feedback Signal Values for Temperature Actuator Detent Position Knob Angle in Degrees (CW starting from the initial position) Voltage Min (V) Nominal (V) Max (V) 0 0 0.65 0.70 0.75 1 9 0.76 0.81 0.86 2 18 0.88 0.93 0.98 3 27 0.99 1.04 1.09 4 36 1.11 1.16 1.21 5 45 1.22 1.27 1.32 6 54 1.34 1.39 1.44 7 63 1.45 1.50 1.55 8 72 1.56 1.61 1.66 9 81 1.68 1.73 1.78 10 90 1.79 1.84 1.89 11 99 1.91 1.96 2.01 12 108 2.02 2.07 2.12 13 117 2.14 2.19 2.24 14 126 2.25 2.30 2.35
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