Viessmann VITODENS 100-W WB1B Series Installation And Service Instructions Manual page 7

Important Regulatory and Installation Requirements
Working on the equipment
The installation, adjustment, service,
and maintenance of this boiler must be
performed 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, burners, 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
all instances to avoid accidental
activation of power during service
work.
Technical literature
Literature for the Vitodens boiler:
- Technical Data Manual
- Installation and Service Instructions
- Operating Instructions
and User's Information Manual
- Vitodens Venting System Installation
Instructions
- Instructions of other products utilized
and installed
- Installation codes mentioned
in this manual and as locally
applicable
The completeness and
functionality of field supplied
electrical controls and
components must be verified
by the heating contractor. This
includes low water cut-offs, flow
switches (if used), staging
controls, pumps, motorized
valves, air vents, thermostats,
etc.
Leave all literature at the
installation site and advise
the system operator/ultimate
owner where the literature can
be found. Contact Viessmann for
additional copies.
This product comes with several
safety instruction labels attached.
Do not remove!
Contact Viessmann immediately if
replacement labels are required.
Safety
7