Codes; Working On The Equipment; Mechanical Room; Technical Literature - Viessmann Vitocrossal 300 CT3 Series Installation Instructions Manual

Vitocrossal 300, CT3 Series Installation
Important Regulatory and Safety Requirements

Codes

The installation of this unit shall be in accordance with
local codes. In the absence of local codes, use:
CAN/CSA-B149.1 or .2 Installation
Note: Please carefully read this manual prior to
attempting installation. Any warranty is null
and void if these instructions are not followed.
For information regarding other Viessmann System
Technology componentry, please reference
documentation of the respective product.
We offer frequent installation and service seminars
to familiarize our partners with our products. Please
inquire.
Codes for Gas Burning Appliances for Canada. For U.S.
installations, use the National Fuel Gas Code ANSI
Z223.1. Always use latest editions of codes.
For oil-fired boiler installation, use CSA B-139 in Canada
and NFPA 31 in the U.S. Always use latest editions of
codes.
In Canada all electrical wiring is to be done in accordance
with the latest edition of CSA C22.1 Part 1 and/or local
codes. In the U.S., use the National Electrical Code ANSI/
NFPA 70.
The heating contractor must also comply with the Standard
for Controls and Safety Devices for Automatically Fired
Boilers, ANSI/ASME CSD-1 where required by the
authority having jurisdiction.

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.
Note: 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.
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.
(continued)

Mechanical room

Ensure the mechanical room complies with the
requirements of the System Design Guidelines and/or
Technical Data Manual. In addition, see section entitled
"Mechanical Room" on page 7 in this manual.
Viessmann recommends installation of an additional
electrical disconnect switch and a fuel shut-off valve
(if possible) outside the mechanical room or enclosed area
of installation.
The maximum room temperature of the mechanical room
where the boiler is located must not exceed 104° F (40° C).

Technical literature

Literature for the Vitocrossal 300, CT3 boiler:
- Technical Data Manual
- Installation Instructions
- Service Instructions
- Operating Instructions and User's Information Manual
- Instructions of other Viessmann products utilized with
this installation
- Installation codes mentioned in this manual
Note: 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.
For installation of the heating system as a whole,
please refer to the technical literature of other System
Technology devices:
- Installation Instructions for Viessmann boiler control
- Installation Instructions for Viessmann indirect-fired hot
water storage tank(s)
- Installation Instructions for burner and accessories
Safety
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