Installation
April 2020 4-32 06-237619-001
4-12 SIGNS AND LABELING
4-12.1 Storage Room
All doors to the system storage room shall be marked with a sign with the following text (in
the local language):
“CAUTION!
Inert Gas Cylinder Storage Room
Before entering ensure doors are secured in the OPEN position”
Note: Where practicable the access to storage room and route for moving cylinders to the
storage room should have access restricted during installation, this can be achieved us-
ing cones coupled with red and white warning flash tape.
4-12.2 Cylinder
Each cylinder shall be labeled with the following:
• Agent Instruction label: This label shall be attached on the front of the cylinders and at
same height. The purpose of the label is to provide filling information, transport/safety in-
formation, inspection information and general precautions to be taken during reinstallation
of the cylinder.
• Agency Label: Label listing the approving agencies.
• Transport label: Commonly referred to as a banana label which is curved and located on
the cylinder shoulder
4-12.3 Selector Valves
Each selector valve shall be provided with a sign or label clearly stating the name of the
associated protected space to which the valve shall convey the Agent.
4-12.4 Protected Enclosure
4-12.4.1 Access Doors
Doors leading to and from the protected area to be fitted with appropriate signs (P/N 85-
909300-001 and 85-909300-002), or signs in local language with same text that comply with
associated National Standards.
All doors from an area protected by a gaseous extinguishing system should open outwards and
be fitted with automatic door closing devices.
4-12.5 Warning Alarms
Audible and visual alarms to be provided within the protected space, such alarms shall continue
to operate after discharge until all appropriate action has been taken.
4-12.5.1 Pressure Relief Vents
Relief vent openings (except at high level) to display warning sign, “Vent for Inert Gas - Keep
Clear” (P/N 01-2172-0200).
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