The heating and cooling system can be controlled manually by pressing buttons or turning knob(s) other than the AUTO button. In this case, the system works sequentially according to the order of buttons or knob(s) selected.
1. Start the engine.
2. Set the mode to the desired position. For improving the effectiveness of heating
and cooling;
- Heating:

- Cooling:

3. Set the temperature control to the desired position.
4. Set the air intake control to the outside (fresh) air position.
5. Set the fan speed control to the desired speed.
6. If air conditioning is desired, turn the air conditioning system on. Press the AUTO button in order to convert to full automatic control of the system.
1. Press the AUTO button. The modes, fan speeds, air intake and air-conditioning will be controlled automatically by setting the temperature. 2.
The mode selection button controls the direction of the air flow through the ventilation system. The air flow outlet port is converted as follows: Refer to the illustration in the “Manual climate control system”.
Specifications Specification Item Specification Operating temperature 14 - 140°F (-10 - 60°C) RF Modulation FSK RF Frequency 433.
Repair procedures Inspection 1. Measure the resistance between the terminals. 2. measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor) (1) Pin No 1.