About This Manual; How To Read This Manual - Biddle DF Series Manual

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. . Introduction
1.1

About this manual

1.2

How to read this manual

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This manual describes the installation, operation and mainte-
nance of the comfort air curtain model DF. The manual also
provides instructions and information about servicing.
1.2.1 Designations used in the manual
The following symbols are used in the manual:
Note:
n
Refers to an important section in the text.
Caution:
c
If you do not carry out the procedure or action
correctly, you may cause damage to the unit.
Follow the instructions precisely.
Warning:
w
If you do not carry out the procedure or
action correctly, you may cause physical injury
and/or damage.
Follow the instructions precisely.
Danger:
d
Is used to designate actions that are not
permitted.
Ignoring this prohibition may lead to serious
damage or to accidents resulting in physical
injury.