version 4.7.2 – July 10th, 2022 Firmware version V2.1.7 and higher
EXXFIRE Installation and Service Manual 8
1 INTRODUCTION
The EXXFIRE
®
750CNF/1500CNF/2250CNF is an extinguishing unit that detects and extinguishes
fires in small protected spaces, such as server racks and electrical cabinets.
Upon detection of a fire, nitrogen gas is released from the unit. The nitrogen gas dilutes the oxygen
level within the enclosure, and consequently suppresses the fire. The CNF version of the systems
can be connected to enlarge the protected volume.
About this manual
This document is the Installation and Service Manual for the EXXFIRE
®
750CNF/1500CNF/2250CNF.
This manual is aimed at CNF devices which;
• Run firmware version 2.1.7 or higher
• Have serial number SN00002620 or higher
This manual contains all the information necessary to install, operate and service the EXXFIRE
®
750CNF/1500CNF/2250CNF for all phases of its product lifecycle, see Figure 1.
Figure 1 Product lifecycle
This manual concerns the original instructions in UK English. Keep it in a safe location! Ensure
access to this manual at all times.
This manual includes notes and warnings on safe installation and operation of the equipment.
These notes and warnings are accompanied by the following icons. Read them attentively!
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