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Vitotrans 300 Installation, Operating and Service
Important Regulatory and Installation Requirements
Codes
The installation of indirect-fired hot water heaters in
boilers and solar system application might be governed
by individual local rules and regulations for this type of
product, which must be observed. Always use latest
editions of codes.
In the Commonwealth of Massachusetts, all plumbing
work must be done by a licensed plumber or gas-fitter
and for gas installations, all gas piping must be done by
a licensed gas-fitter.
Mechanical room
Ensure the mechanical room complies with the
requirements of the system design guideline and/or
Technical Data Manual (available from your Viessmann
sales representative).
The unit must be installed in a mechanical room which
is never subject to freezing temperatures.
Ensure water is drained if not in use and danger of
freezing exists in the mechanical room.
WARNING
If the heating system itself is to be filled with Glycol or
any other antifreeze, the system fill must be of non-toxic
or food grade antifreeze. In any circumstance, a non-toxic
fluid must be used. Ensure a copy of the Safety Data
Sheet (SDS) is supplied to the operator/ultimate owner
of the system. The use of Viessmann supplied "Tyfocor-
HTL" solar fill is recommended for the solar heating
circuit.
Working on the equipment
The installation, adjustment, service, and maintenance
of this equipment must be done by a licensed professional
heating contractor who is qualified and experienced in
the installation, service, and maintenance of hot water
heating systems. There are no user serviceable parts on
this equipment.
Ensure main power supply to equipment, the heating
system, and all external controls has been deactivated.
Close main oil or gas supply valve. Take precautions to
avoid accidental activation of power during service work.
Please carefully read this manual prior to attempting
installation. Any warranty is null and void if these
instructions are not followed.
This product must be installed observing not only the
information and instruction provided in the pertinent
product literature (see list on the following page), but
also all local, provincial/state plumbing and building
codes, as they apply to this product and all periphery
equipment.
For information regarding other Viessmann System
Technology componentry, please reference
documentation of the respective product (available from
your Viessmann sales representative).
We offer frequent installation and service seminars to
familiarize our partners with out products. Please inquire.
The completeness and functionality of field supplied
electrical controls and components must be verified
by the heating contractor. These include low-water
cut-offs, flow switches (if used), staging controls,
pumps, motorized valves, air vents, thermostats,
temperature controls, etc.
Safety
5
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