DG..H, DG..N, DG..I · Edition 03.22
EN-6
8.3 external adjustment
In order to set the switching pressure from the outside,
the cover for external adjustment (6 mm Allen key) for
DG..I can be retrofitted.
Order No.: 74916155
1
2
3
8.4 Weather protection cover
B
A
C
D
E
F
When the DG is installed outdoors, the weather pro-
tection cover provides permanent protection against
condensation and weathering of housing parts.
The weather protection cover is made of 1 mm-thick
stainless steel.
The enclosed filter pad is designed to protect the open
1/8" port from the ingress of dirt or insects.
Scope of delivery:
A
2 x covers, 100 x 100 x 100 mm
B
2 x M4 x 16 screws
C
4 x nuts
D
2 x washers
e
2 x cap nuts
F
1 x filter pad (1/8" port)
Order No.: 74924909
Installation position: vertical, with the cable gland
pointing downwards.
8.5 Pressure equalization element
For CE certified pressure switches.
To avoid the formation of condensation, the cover with
pressure equalization element can be used. The dia-
phragm in the screw connector is designed to ventilate
the cover, without allowing water to enter.
Order No.: 74923391
8.6 Restrictor orifice
R
¼
Rp ¼
For CE certified pressure switches.
In the case of high pressure fluctuations, we recom-
mend using a restrictor orifice (contains non-ferrous
metals).
Hole diameter 0.2 mm, Order No.: 75456321
Hole diameter 0.3 mm, Order No.: 75441317
8.7 test key PIA
To test the min. pressure switch, the DG..H, DG..N,
DG..I can be vented in its switched state using the
PIA test key (contains non-ferrous metals).
R ¼
Rp ¼
Order No.: 74329466
Click
TEST
8.8 tube set
To be used with air only.
Tube set with 2 m PVC tube, 2 duct connection flang-
es with screws, R 1/4 and R 1/8 connecting nipples.
Order No.: 74912952.