Control Operation

Control Operation




DISPLAY SCREEN
Displays the operational status of the system.

AUTO.ECON SWITCH
- The compressor intake doors air mix doors outlet doors and blower speed are automatically controlled so that the in-vehicle temperature will reach and be maintained at the set temperature selected by the operator.
- When pressing AUTO.ECON switch air inlet air outlet fan speed and discharge air temperature are automatically controlled. (Inlet is automatically controlled only when FRE or REC switch is OFF.)
- Press AUTO.ECON switch again. "ECON" appears on display and control is switched to economy control.

TEMPERATURE SWITCH (POTENTIO TEMPERATURE CONTROL)
Increases or decreases the set temperature.

RECIRCULATION (REC) SWITCH
- When REC switch is ON REC switch indicator turns ON and air inlet is fixed to REC.
- When REC switch is ON and is pressed for approximately 1.5 seconds or longer REC and FRE switch indicators blink twice. Then automatic control mode is entered. Inlet status is displayed even during automatic control.
- When DEF switch or FRE switch is turned ON or when compressor is turned from ON to OFF REC switch is automatically turned OFF (fixed to FRE mode). REC mode can be re-entered by pressing REC switch again.

FRESH (FRE) SWITCH
- When FRE switch is ON FRE switch indicator turns ON and air inlet is fixed to FRE.
- When FRE switch is ON and is pressed for approximately 1.5 seconds or longer REC and FRE switch indicators blink twice. Then automatic control mode is entered. Inlet status is displayed even during automatic control.
- When REC switch is turned ON FRE switch is automatically turned OFF (fixed to REC mode). FRE mode can be re-entered by pressing FRE switch again.

DEFROSTER (DEF) SWITCH
Positions the air outlet doors to the defrost position. Also positions the intake doors to the outside air position.

REAR WINDOW DEFOGGER SWITCH
When illumination is ON rear window is defogged.

OFF SWITCH
The compressor and blower are OFF the intake doors are set to the outside air position and the air outlet doors are set to the foot (75% foot and 25% defrost) position.

A/C SWITCH
The compressor is ON or OFF.
(Pressing the NC switch when the AUTO switch is ON will turn off the A/C switch and compressor.)

MODE SWITCH
Controls the air discharge outlets.

FAN SWITCHES
Manually control the blower speed. Five speeds are available for manual control (as shown on the display screen).

DUAL SWITCH (WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM)
- When air conditioner system is operating and DUAL switch is pressed only underlined portion of drivers seat set temperature indication on display (left-hand side) turns ON. Then changing set temperature for drivers seat is possible using temperature adjustment switch.
- When DUAL switch is pressed again only underlined portion of passengers seat set temperature indication on display (right-hand side) turns ON. Then changing set temperature for passengers seat is possible using temperature adjustment switch.
- When DUAL switch is pressed again underlined portions of both seats set temperature indications turn ON. Set temperatures for left and right can be set equal to temperature for drivers seat with temperature adjustment switch.

Fail-safe Function
- If a communication error exists between auto amplifier (display and NC auto amp.) and A/C and Audio controller for 30 seconds or longer air conditioner is controlled under following conditions:
- Compressor: ON
- Air outlet: AUTO
- Blower fan speed: AUTO
- Set temperature: Setting before communication error occurs.