3.2 Explanation of components Operation 3. Mode selector switch This switch (3) is used to select the vents. The following five vent modes are available: FACE, FACE/ FOOT, FOOT, FOOT/DEF, DEF. When the switch is pressed, the indicator lamp above the switch lights up to display the vent mode. GK032169 4. Fresh/Recirc selector switch This switch (4) is used to select between recirculation of the air inside the cab or intake of fresh air from outside. A When the switch is pressed, indicator lamp (A) at the top of the switch lights up. Recirculation of air inside cab Press this switch (B) to use only the air inside the cab.
Use this position to carry out rapid heating or cooling of the cab or when the outside air is dirty. B C GK032170 Intake of fresh air from outside Press this switch (C) to carry out heating or cooling with fresh air taken in from the outside. Use this position when fresh air is taken in from outside the cab, or when removing the mist from the cab windows. REMARK When fresh air is taken into the cab, air pressure in the cab increases, which prevents the dust from entering. When neither heating nor cooling is needed, bring in clean fresh air to prevent the dust from coming in with your preferred air flow. 5.
Temperature control switch The temperature can be adjusted with this switch (5) by pressing and holding the up or down button. The temperature level indicator lamps (A) light up to display the temperature of the air coming from the vents. The more blue lamps on, the lower the temperature is. The color of the indicator lamp (A) changes while the switch is being pressed. GK032171 When the temperature reaches the desired level, release the switch to set the temperature. The settings for each mode are retained in memory even when the starting switch is turned OFF. However, in the following cases, the settings must be made again.
z When the machine has been out of use for more than 7 days z When the battery voltage is extremely low z When there has been abnormal interference from outside z When the fan switch is turned OFF (the setting is not kept in memory with only the air conditioner switch) If the air conditioner is used at the FRESH position, the inside of the cab will be pressurized and this will prevent the entry of dust. The higher the position of the fan switch, the more effective the 3-52 WA150-5H – VEAM934100