BA 50Z3/6003 en – Edition 4.3 * 5003b330.fm 3-35
Operation
3.21 Air conditioning (option)
• In order to achieve best cooling results:
☞ Open both nozzles on the left and right behind the seat and direct them to the roof.
Keep all other nozzles closed
– see chapter 3.20 Cab heating and ventilation on page 3-33.
➥ This setting ensures good air circulation in the cab as the cool air flows to the cab
floor.
☞ The other nozzles can be opened and closed as required.
• Air the cab from time to time.
Let the air conditioning system run once a month for at least 10 – 15 minutes, to
ensure the system’s full capability and the durability of the seals.
Recirculated air mode
In recirculated-air mode, the air in the cab is taken in and cooled, and a small amount of
fresh air is added. If recirculated-air mode is switched off, only fresh air is used for heating,
ventilating or cooling the cab.
Open the windows and the door so the hot air can escape. Then switch on air con-
ditioning, and close the windows and the doors. Keep all windows and doors
closed to achieve best cooling results.
Fig. 80: Air conditioning system (up to serial no. AH02781)
1
2
49
Fig. 80: Air conditioning system (from serial no. AJ02777)
1
2
49
Cooling
OFF Press switch 49 up
1st position
Press ventilation switch 49 to 1st position
(down)
Low fan speed
2nd position
Press ventilation switch 49 to 2nd position
(down)
High fan speed
Fig. 81: Recirculated air mode
1
2
Position Function
1
Release the button and slide to the left Recirculated-air mode switched
on
2
Release the button and slide to the right Recirculated-air mode switched
off
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