BI017763
OPERATING INSTRUCTIONS 6030, 6030FS Operation
Control unit (Sigma)
Back-up heating driver’s cab (option)
The illustration (Fig. 2-97:) shows a control unit for a dual air conditioner. The control unit of a single air conditioning system contains the control elements only once.
The back-up heating for the driver’s cab is located in the module below the driver’ cab (Fig. 2-98:). The heating consists of one or two heating units (1) and the fuel reservoir (2).
AIR CONDITIONER (OPTION)
Switch on the back-up heating using switch (142, Fig. 2-99:). The pilot lamp above switch (142) lights up. The heating system has an automatic regulation. Do not switch on the back-up heating when the air conditioner is set to ”cooling”.
Fig. 2-97:
1
Rotary switch
selects the intensity level of the blower (3 levels)
2
Rotary switch
selects the desired control function (heating, cooling, ventilation, defrosting)
3
Rotary switch
selects the intensity level of the blower (3 levels)
4
Rotary switch
selects the desired control function (heating, cooling, ventilation, defrosting)
5
Thermostat
sets the desired temperature inside the cab
6
Thermostat
sets the desired temperature inside the cab
Fig. 2-98:
Fig. 2-99:
BA RH120E(3 725 097.01)-EN
2-73
