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Idiomas disponibles
Idiomas disponibles
Figure 7: Sequence (1 to 9) to Mount the Detector on the Bracket
7a
7b
4
0.00
o
7c
6
7
7d
N200-102-00
1
99 mm
41
mm
2
90 mm
5
3
329 mm
8
9
Pipe Hole Configuration
Figure 8 below shows the pipe holes available on the unit. Each
unit has 2 pipe holes per channel connected together like a T-Piece.
If using a 1 channel unit, holes 3 and 4 do not function. Use Table
1 to locate the holes required for the installation:
1
2
CHANNEL 1
CHANNEL 1 (NOT
5
USED FOR COMMON
CHAMBER UNIT)
Table 1: Pipe Holes Used for Each FAAST LT Model
FAAST LT MODEL
INLET PIPE HOLE
NFXI‐ASD11
1 and / or 2
NFXI‐ASD12
1 and / or 2
NFXI‐ASD22
Channel 1 ‐ 1 and / or 2
Channel 2 – 3 and / or 4
Note 1: Pipe holes not used should be kept sealed.
Note 2: Do NOT glue pipes into the pipe holes.
Table 1a: Maximum Number of Pipe Holes Allowed Per Channel
for EN54-20 Compliance
All figures quoted using highest (level 1) sensitivity.
CLASS
PIPE LENGTH
(m)
C
100
C
160 (2 x 80)
Using T‐Piece
B
100
A
80
Pipe Installation
1
3
3
4
CHANNEL 2 (ONLY FUNCTION
ON 2 CHANNEL UNITS)
Figure 8: Pipe Holes
CHANNEL 2 (ONLY FUNCTIONS
6
ON 2 CHANNEL AND COMMON
CHAMBER UNITS)
OUTLET PIPE HOLE
5
6
5
6
MAX NUMBER OF HOLES PER
CHANNEL
18 (5 x 2mm, 6 x 2.5mm, 3 x 3mm,
3 x 3.5mm and 1 x 4mm) + 4mm
non sensing end hole
9 holes per branch (3 x 2.5mm, 6 x
3mm) + 3mm non sensing end hole
6 (2 x 3.5mm, 2 x 4mm, 2 x 5mm
inc end hole)
3 (1 x 5mm, 2 x 6mm inc end hole)
2
I56-3947-202
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