HB-100/140/160Z1
Temperature Control Unit
Maintenance
100
O8285-EN 2017-12
9.2 Open the unit
The unit has to be opened for specific maintenance work.
Only to be carried out by a specialist or instructed person.
Necessary tools (depending on unit status):
Torx screwdriver.
Hexagon or flat-bladed screwdriver.
DANGER!
Danger of death by electric current!
Live parts are dangerous. Contact with high
voltages causes injury or death.
Therefore:
– Work on the electrical system must only be
carried out by certified electricians.
– For all work on the electrical system, for
maintenance, cleaning or repair work,
disconnect from the mains or disconnect all
phases of the external power supply and secure
them against being switched on again.
– Check unit is isolated from power supply.
WARNING!
Safety risk due to wrongly mounted or missing
insulation!
Wrongly mounted or missing insulation can lead to
overheating or total breakdown.
Therefore:
– Remount all insulation correctly.