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Adjustment
▷ The switching pressure can be adjusted using the
hand wheel and scale. The switching pressure
differs from the adjusted setpoint by a maximum
of ± 15%, when it has been set for increasing
pressure and with a vertical diaphragm.
Adjusting
range
Type
[Pa]
min. max. min. max.
DL 3,3K
20
330
DL 3,5K
30
350
DL 4,5K
30
500
DL 5,1K 100
510
DL 8K
50
800
DL 11K
100 1100
DL 16K
400 1600
DL 24K
200 2400
DL 40K
500 4000
Adjusting
switching
range
Type
differential
["WC]
min. max. min. max.
DL 3,5KT 0.12 1.4 0.04 0.08 ± 0.02 "WC/± 15%
DL 4,5KT 0.12
2
0.05 0.10 ± 0.02 "WC/± 15%
DL 8KT
0.20 3.2 0.07 0.12 ± 0.06 "WC/± 15%
DL 11KT 0.4
4.4 0.08 0.14 ± 0.08 "WC/± 15%
DL 16KT 1.6
6.4 0.12 0.16
DL 24KT 0.8
9.6 0.18 0.22 ± 0.16 "WC/± 15%
DL 40KT 2.0 16.0 0.28 0.36
1 Disconnect the system from the electrical power
supply.
2
3
2
+
NO
4
5
+
Maintenance
▷ We recommend a function check once a year.
Mean
Deviation from
switching
the switching
differential
point during
[Pa]
testing
pursuant to
EN 1854
8
20
± 7 Pa/± 15%
10
20
± 5 Pa/± 15%
12
25
± 5 Pa/± 15%
15
30
± 15%
17
30 ± 14 Pa/± 15%
20
35 ± 20 Pa/± 15%
30
40
± 15%
45
55 ± 40 Pa/± 15%
70
90
± 15%
Mean
Deviation from
the switching
point during
["WC]
testing pursuant
to EN 1854
± 15%
± 15%
1
3
NC
COM
Ω
NO
2
COM
3
NC
1
Accessories
Angle brackets, securing clips and other acces-
sories, see Technical Information DL (D, GB, F) –
www.docuthek.com
Tube set
2 m PVC tube, 2 duct connection flanges with
screws, including angle connectors and extension.
Order No.: 74919272.
Technical data
Gas types: air or flue gas, no flammable gases, no
aggressive gases.
Max. inlet pressure p
5 kPa,
differential pressure: 5 kPa.
Micro switch to EN 61058-1.
Switching capacity:
DL..K:
24 V (min. 0.05 A) to 250 V AC
(max. 5 A, at cos φ 0.6 = 1 A),
DL..KG:
5 V (min. 0.01 A) to 250 V AC
(max. 5 A, at cos φ 0.6 = 1 A),
5 V (min. 0.01 A)
to 48 V DC (max. 1 A),
DL..KT:
30 – 240 V AC, 50/60 Hz,
5 A resistive or
0.5 A inductive (cos φ = 0.6),
DL..KTG: < 30 V AC/DC,
0.1 A resistive or
0.05 A inductive (cos φ = 0.6).
Contact gap < 3 mm (μ).
Ambient temperatures:
DL..K: -20 to +85°C (-4 to +185°F),
DL..KT: -40 to +60°C (-40 to +140°F).
Storage and transport temperature:
-20 to +40°C (-4 to +104°F).
Cable diameter: 0.5 to 1.8 mm
(AWG 24 to AWG 13).
Line entrance: M16 x 1.5, clamping range:
diameters of 4 to 10 mm.
GB-3
= withstand pressure:
max
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