© Pertronic Industries Ltd
3
FAAST LT Loop-Based Installation & Maintenance Guide Iss 1.0, 201701
99 mm
41
1
2
mm
90 mm
4
3
0.00
5
329 mm
6
7
8
9
1
2
3
4
5
6
Figure 7: Sequence (1 to 9) to Mount the Detector on
the Bracket
7a
7b
7c
7d
Pipe Hole Configuration
Figure 8
shows the pipe holes available on the unit.
Each
unit has 2 pipe holes per channel (so if installing
a 1 channel unit,
holes 3 and 4 do not function). Use
Table 1 to locate the holes required for the installation:
Figure 8: Pipe Holes
Table 1: Pipe Holes Used for Each FAAST LT Model
FAAST LT Model
Inlet Pipe Hole
Outlet Pipe Hole
FL2011EI
1 & 2, or 1 OR 2
5
FL2012EI
1 & 2, or 1 OR 2
6
FL2022EI
Channel 1:
1 & 2, or 1 OR 2
5
Channel 2:
3 & 4 or 3 OR 4
6
Notes: a) Unused Pipe Holes
MUST
be kept sealed
b) Do
NOT
glue pipes into Pipe Holes
Table 1a: Maximum Number of Pipe Holes Allowed Per
Channel
All figures quoted using highest (Level 1) sensitivity.
CLASS
Pipe Length
(m)
Max Number of Holes per Channel
C
100
18: 10 x 2.5mm, 8 x 3mm
PLUS 3mm Non-Sensing End Hole
B
100
6: 4 x 4mm, 2 x 5mm
Including End Hole
A
100
2 x 6mm
PLUS 6mm Non-Sensing End Hole
A
80
3: 1 x 5mm, 2 x 6mm
Including End Hole
