OPERATING SECTION 4 Page 9 4.4. CAB CONTROLS Fig. 4.3. Air Conditioner, Heater and Accessories Controls 1. Door Wipers Switch and Washer Push-button 2. Windows Wiper Switch and Washer Push-button 3. Heater and/or Cooler Pressurized Control Switch 4. Temperature Control Knob DOME LIGHT Dome light is switched on with switch mounted in the light. CAB VENTILATION NOTE: For maximum cooling turn the temperature control knob fully to the left. 1. DOOR WIPERS SWITCH This switch activates window wipers and washers. The switch enables two-speed selection of the wipers that is: low (position 1) and high (position 2). Push the washer button to spray washer fluid. 2.
WINDOW WIPERS SWITCH This switch activates window wipers and washers. The switch enables two-speed selection of the wipers that is: low (position 1) and high (position 2). Push the washer button to spray washer fluid. 3. HEATER AND/OR COOLING PRESSURIZER FAN SPEED CONTROL SWITCH This switch controls the speed of the fan circulating the air inside the cab. It has three speed settings low, medium and high. Turn the knob to the left for three fan speed selections when cooling the air, i.e. low, medium and high. Turn the knob to right for three fan speed selections when heating air i.e. low, medium and high. To turn the fan off, turn knob to the central position. 4.
TEMPERATURE CONTROL KNOB This knob is used to control temperature inside the cab. To decrease temperature turn the knob to left and to increase temperature turn the knob to right. To supply cool air into the cab, turn the temperature control knob off (completely to left). The rate of cooling can be adjusted by selection of fan speed as required. To increase the temperature of air, turn the temperature control knob to right. A turn of the knob opens the valve, which lets more coolant through the heater and increases the temperature of the air entering the cab. DRESSTA TD-15H