Installation; Mounting; Cabling Requirement; How To Fit Irmax Or Irex To A Junction Box - Crowcon IRmax Instructions D'installation, D'utilisation Et De Maintenance

Auxiliary junction box Auxiliary junction box

4.1 Installation

4.1.1 Mounting

The auxiliary junction box should be installed at the designated location with the detector
entry pointing down (as shown in Diagram 6).

4.1.2 Cabling requirement

The spigot gland has five wires running through it to enable the user to connect one end
to the detector and the other end to the junction box. Correct connection of wires at each
end can easily be achieved through colour coding of the wires (as shown in Diagram 7).

4.1.3 How to fit IRmax or IREX to a junction box

1. Carefully remove the outer section
(see Diagram 8).
2. Screw the narrow end
auxiliary junction box.
3. Raise the detector to the auxiliary junction box and pass
the wires through the assembly and into the auxiliary
junction box. Secure the detector by screwing the collar
tightly to the cable gland. Tighten grub screw
4. The main body of the detector can be swivelled
horizontally at any angle, provided it is mechanically
secure, does not interfere with other equipment and is
accessible for maintenance.

4.1.4 Field cable termination

Field cables must be terminated to the auxiliary junction box using Exd certified cable glands
suitable for the type of cable used.
8 8
u of the spigot gland
v of the spigot gland into the
w .
Diagram 8
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u
w
v