Special Symbols; Notes - Honeywell HEIPTZ-2201W-IR User Manual

Preface

Special Symbols

Notes

2

GB 12476.1-2000 Electrical apparatus for use in the presence of combustible dust- Part
1: Electrical apparatus protected by enclosures and surface temperature limitation-
Specification for apparatus

The enclosure of PTZ adopts all stainless steel structure with the protection class of up
to IP68 (2m/1h). It is applicable to hazardous places classified as Zone 1 or Zone 2 that
are exposed to explosive gas mixtures of Group ⅡA , GroupⅡB or GroupⅡC with
temperature group from T1 to T6. It can also be used in hazardous places classified as
Zone 21 or Zone 22 that are exposed to combustible dusts, explosive gases or both.
Stylized fonts, symbols and icons may appear in this manual. Please refer to the following
table for more details:
【】
Name of a click button
You should be alert to the information marked with this symbol by strictly
following the instructions to avoid damages to the product's hardware and
software as well as their components.

The product pictures illustrated in this manual are for reference only. They may be
different from the real outlook.

Products are subject to update. Sorry for changes without notice.

Please read the manual carefully before using the product and keep the manual for
further use.

The content of this manual has been checked and verified. Should there be any
problem or controversy in regard to this manual, Honeywell Security is entitled to final
explanations. Honeywell shall not be held responsible for any damage caused by
user's misunderstanding of the manual or misuse of the product.