Safety Instructions - Wolf COB Series Maintenance Instructions Manual

The following symbols are used in conjunction with
these important instructions concerning personal safety,
as well as operational reliability.
"Safety instructions" are instructions with
which you must comply exactly to prevent
risk or injury to individuals and damage to the
unit.
Danger through 'live' electrical components!
NB: Switch OFF the ON/OFF switch before
removing the casing.
Never touch
contacts when the ON/OFF switch is in the
ON position! This results in a risk of
electrocution that may lead to injury or death.
The main supply terminals are 'live' even
when the ON/OFF switch is in the OFF
position.
This indicates technical instructions which
NB
you must observe to prevent damage and
malfunctions.
General notes
Maintenance work must only be carried out by a
qualified heating contractor.
Annual maintenance and the exclusive use of
original Wolf spare parts are essential preconditions
for trouble-free operation and a long service life.
We therefore
maintenance contract with a local heating
contractor.
The use of old fuel oil with a sulphur content
NB
> 1000 mg/kg fuel oil may lead to a need for more
cleaning, and therefore shorter maintenance
intervals.
3062549_201510

1. Safety instructions

electrical components
recommend you arrange
Terminal box: Danger from electrical voltage
or
Central connector, heat exchanger.
Risk of electrocution, risk of burning through hot components; leave
the appliance to cool down for approx. half an hour or use suitable
gloves.
a
3