Safety; Important Regulatory And Installation Requirements; About These Instructions - Viessmann Vitocontrol-S, WB2 Installation, Start-Up And Service Instructions Manual

Safety

Important regulatory and installation requirements

Power supply
Install power supply in accordance with
the regulations of the authorities hav-
ing jurisdiction or, in the absence of
such requirements, in accordance with
National Codes.

About these instructions

Take note of all symbols and notations intended to draw attention to potential hazards or important product information.
These include "WARNING", "CAUTION", and "IMPORTANT". See below.
4
External "potential-free" contacts to
the Cascade Control
Ensure that all contacts have sufficient
insulation clearance to live parts and
are certified for these applications.
WARNING
Indicates an imminently hazardous
situation which, if not avoided, could
result in death, serious injury or
substantial product/property damage.
CAUTION
Indicates an imminently hazardous
situation which, if not avoided, may
result in minor injury or
product/property damage.
IMPORTANT
Working with an open control
No static discharge to the internal com-
ponentry must ever occur when work-
ing with opened control equipment.
Warnings draw your attention to the
presence of potential hazards or im-
portant product information.
Cautions draw your attention to the
presence of potential hazards or im-
portant product information.
Helpful hints for installation, opera-
tion or maintenance which pertain to
the product.
This symbol indicates that additional,
pertinent information is to be found in
column three.
This symbol indicates that other in-
structions must be referenced.