Pre-calculated installations

The installer can use the tables provided below to design aspirator pipe systems without using the FA/STUDIO software.

These are standard type systems, to be considered as a subset of the various possible systems and equally programmable via software.

Tables

These systems are grouped in the following tables provided, which differ from each other by detection class, number of detector modules used and use of dust filter or condensate traps:

Table	detection class	number of detectors	anti-dust filter	condensation trap
A1	A	1	No	No
A2	A	2	No	No
B1	B	1	No	No
B2	B	2	No	No
C1	C	1	No	No
C2	C	2	No	No
A1_DF	A	1	Yes	No
A2_DF	A	2	Yes	No
B1_DF	B	1	Yes	No
B2_DF	B	2	Yes	No
C1_DF	C	1	Yes	No
C2_DF	C	2	Yes	No
A1_CT	A	1	No	Yes
A2_CT	A	2	No	Yes
B1_CT	B	1	No	Yes
B2_CT	B	2	No	Yes
C1_CT	C	1	No	Yes
C2_CT	C	2	No	Yes
A1_DF_CT	A	1	Yes	Yes
A2_DF_CT	A	2	Yes	Yes
B1_DF_CT	B	1	Yes	Yes
B2_DF_CT	B	2	Yes	Yes
C1_DF_CT	C	1	Yes	Yes
C2_DF_CT	C	2	Yes	Yes

Once the table for the type of system to be configured has been identified, based on the construction needs (number of branches, length of branches or number of holes for each branch, the table provides pre-calculated programming data, to be entered via the device programming menu.

The tables show, distributed over the rows, the number of branches and their lengths, divided by intervals. “Length” is the distance the air drawn into the pipe travels from the most distant hole to the detector.

The columns show the required number of holes for each branch. The holes are numbered from the nearest (hole #1) to the furthest (hole with maximum number) from the detector.

Parameters

In the boxes at the intersection of number/length of branches and number of holes are the programming parameters to be used:

Holes diameter, in mm (“Ø”)
Detection sensitivity (depending on sampling hole balance, “S”)
Aspiration speed, in RPM (fan revolutions per minute, “V”)
Expected airflow, in l/min (“F”)
Balancing of the air aspiration between the holes (“B”)
Transit time of the smoke from the most distant hole to the detector (“T”)
The calculation of this parameter is based on the length of the branches. Since the length is indicated in the table as a range, the calculation is carried out using the average length.

These parameters, in addition to the length of the branches and the total length of the piping, determine the validity of the system for the selected sensitivity class.

Conditions of use

The use of these tables requires the following constraints to be satisfied:

The pipe system connected to the detector is considered as divided into 1, 2 or 4 branches.
All the branches into which the installation is divided are equal to each other in terms of length and number of holes.

“Branch length” stands for the distance from the fork (T fitting) to the last hole (farthest from the FA100 device).
The sampling holes must be equidistant from each other (with a 10% tolerance).
For each pipe line only one dust filter may be used, this must be positioned upstream of the detector and downstream of any sampling holes.
For each line only one condensate trap may be used, this must be positioned upstream of the detector and downstream of any sampling hole.
The length of the drain piping should not exceed 3 meters.
If both FAD100 detector modules are used for only one FA100, both pipes must have the same class, same filter and condensate trap, the same number of branches, length and number of holes.

The sampling holes must be equidistant from each other (with a maximum tolerance of 10%).
The distance between the FA100 device and a T fitting must be at most 10% of the branch length.
The ambient temperature must be between 10 and 40°C.

Design constraints

The details of the project design constraints that must be respected are provided in the following table:

Constraint	detection class
Constraint	A	B	C
Number of pipe branches for one channel, topology of the pipe system (min & max)	1; 2; 4	1; 2; 4	1; 2; 4
Number of pipe branches for all channels, topology of the pipe system (min & max)	2; 4; 8	2; 4; 8	2; 4; 8
Maximum linear pipe length for one channel pipe system	100m	100m	100m
Maximum overall branch pipe length for one channel pipe system	160m	160m	160m
Maximum linear pipe length for all channels pipe system	100m	100m	100m
Maximum overall branch pipe length for all channels pipe system	160m	160m	160m
Minimum number of sampling holes for one channel pipe system (linear & branch pipe)	1	1	1
Maximum number of sampling holes for one channel pipe system (linear & branch pipe)	8	18	51
Minimum number of sampling holes for all channels pipe system (linear & branch pipe)	2	2	2
Maximum number of sampling holes for all channels pipe system (linear & branch pipe)	16	36	102
Minimum number of sampling holes per branch layout	1	1	1
Maximum number of sampling holes per branch layout	8	18	51
Maximum distance of the farthest hole from the FA100	100m	100m	100m
Distance between the FA100 and 1st hole (min)	0.25m	0.25m	0.25m
Distance between the FA100 and 1st hole (max)	100m	100m	100m
Distance between the two sampling holes (min)	0.10m	0.10m	0.10m
Number of dust filters (504F075ABS) per pipe network (max)	1	1	1
Number of water traps (WT025) per pipe network (max)	1	1	1
Maximum number of dust filters & water traps per pipe network	2	2	2
Distance between FA100 & filter / water trap (max)	2m	2m	2m
Distance between filter & water trap (min)	0	0	0
Transport time (min & max)	0 – 85s	0 – 85s	0 – 85s
System balance (min & max %)	72.7 – 100%	69.4 – 100%	59.5 – 100%
Exhaust pipe length (min & max)	0.5 – 10m	0.5 – 10m	0.5 – 10m
Fan speed	2500 RPM (default) 1500 – 4750 RPM (range, in steps of 250 RPM)
Pipe diameter	internal 21mm external 25mm
Capillary tube max length	2m
Diameter of sampling holes on standard pipe	0; 2; 2.5; 3.0; 3.5; 4.0; 4.5; 5.0; 5.5; 6.0; 6.5; 7.0; 7.5; 8.0; 10.0 (mm)
Diameter of sampling holes on capillary	0; 2; 2.5; 3.0; 3.5; 4.0; 4.5; 5.0; 5.5; 6.0; 6.5; 7.0; 7.5; 8.0 (mm)