Safety and Installation Requirements
Please ensure that these instructions are read and understood before commencing installation. Failure to comply
with the
instructions listed below can cause
product/property damage
,
severe personal injury
, and/or
loss of life
.
Working on the equipment
The installation, adjustment, service,
and maintenance of this product must
be done by a
licensed professional
heating contractor
who is qualified and
experienced in the installation, service,
and maintenance of hot water boilers.
There are no user serviceable parts on
the boiler, burner, or control.
Ensure
main power
supply to
equipment, the heating system, and all
external controls has been
deactivated
.
Close main gas supply valve
. Take
precautions in both instances to avoid
accidental activation of power during
service work.
It is not permissible to perform service
work on any component parts ensuring
safe operation of the heating system.
When replacing parts, use original
Viessmann or Viessmann approved
replacement parts.
Ensure that theVitodens 100
Service Instructions are
referenced.
Remove front cover panel and expose control
1.
Remove the screw at the top of
boiler
.
2.
Press down on springs at bottom
of boiler
and remove the front
enclosure panel
.
3.
Flip control console down
.
7826 988 II CA
03/2009
P
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Installation Instructions
for use by heating contractor
Replacement of Control Console
,
Part No. 7826 987, 7826 988
for Vitodens 100-WB1A
D
A
C
B
