TM 40/40M, Rev (14) February 2017
Certification Instructions
37
2.3
Required Tools
The detector can be installed using general-purpose common tools and
equipment. Table 14 lists the specific tools required to install the detector.
Table 14: Tools
Tool
Function
Comments
Hex Key
3
/
16
”
Open and close detector
cover (for wiring)
Part of the kit
Hex Key
1
/
4
”
Mount the detector on the tilt
mount
Part of the kit
Extraction Key
For extraction of the detector
cover
Part of the kit
Flat Screwdriver
6mm
Connect ground terminal
Standard tool
Flat Screwdriver
2.5mm
Connect wires to the terminal
blocks
Standard tool
For wiring, use color-coded conductors or suitable wire markings or labels.
12
–
20AWG / 0.5
–
3.5mm² wires may be used for site wiring. The selection
of wire gauge should be based on the number of detectors used on the
same line and the distance from the control unit, in compliance with
specifications (see
General Instructions for Electrical Wiring
on page 67).
2.4
Certification Instructions
Warning
: Do not open the detector, even when isolated, in the
presence of any open flame.
2.4.1
Special Instructions for Safe Use
The dimensions of the flamepaths are other than the relevant minimum
or maximum, as required by Table 2 of EN 60079-1:2014, as detailed
below:
Flamepath Location
Type of Joint Maximum
Gap, i
c
Minimum
Length, L
Sapphire Window
Flanged
0.04mm
10.5mm
Main Spigot
Cylindrical
0.15mm
15.5mm
Gaps, i
c,
should not be modified to be any larger, and lengths, L, should
not be modified to be any shorter than the values shown in the table
above.
