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Fig. 30 Coolant pre-heating
1
Operating panel
2
Connection for the coolant pre-heater
3
Power cable
4
Coolant pre-heating
5
Engine block
1.
Danger of fatal injury from electric shock!
Serious injury or death can result from a short-circuit in the electric coolant pre-heater.
➤ The power cable for the coolant pre-heater may only be plugged into an electrical socket
fitted with a protective ground.
➤ Have the coolant pre-heating and associated wiring checked according to the maintenance
schedule.
2. Connect the coolant pre-heater to the user's power socket with the power cable supplied.
7.5 Trickle-charging the battery
The supply voltage must be permanently connected as long as the compressor is to be operated in
standby mode. The trickle charger ensures the battery is fully charged and full power is available
for starting the machine.
7
Initial Start-up
7.5
Trickle-charging the battery
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
71
Option bb