Bühler technologies GAS 222.20 DH Notice De Montage page 9

GAS 222.20 DH
DANGER
Dangerous electrostatic charge (explosion hazard)
Incendive electrostatic charges may occur when cleaning
plastic housing parts and decals (e.g. with a dry cloth or com-
pressed air). The sparks this produces could ignite flammable,
explosive atmospheres.
Always clean plastic housing parts and decals with a damp
cloth!
4.3 Installing the sampling tube (optional)
The sampling tube, if necessary with the fitting extension,
must be screwed in. The probe is then attached to the mating
flange using the included seal and nuts.
4.4 Installing the downstream filter
NOTICE
The downstream filter and the O-ring for the handle must be
inserted prior to first startup.
Operating without downstream filter prohibited!
O-ring handle
4.5 Insulation
On heated probes completely insulate any exposed flange
areas and, if applicable, the connection piece to absolutely
prevent thermal bridges. The insulating material must meet
the application requirements and be weatherproof.
BX460045 ◦ 10/2019
Attach an O-ring suitable for
the expected ambient tem-
perature to the handle.
Attach the downstream filter
to the handle. Then carefully
insert the handle with filter in
the gas probe and turn 90° to
secure.
Verify the handle is seated
correctly. When seated cor-
rectly it locks onto the filter
housing.
4.6 Connecting the Gas Line
The sample gas line must be carefully and properly connected
using a suitable fitting.
This table provides an overview of the sample gas probe con-
nections:
Probe
GAS 222
Connecting DN65/PN6/
1) 2)
flange DN3"-150
Sample gas G3/4
inlet
Sample gas NPT 1/4
outlet
Blowback G3/8
connection
Test gas Tube Ø6
1)
connection mm
2)
Tube Ø1/4
Filling port
Condensate
Bypass
Control air
Tab. 1: Gas Probe Connections (Varies by Model)
1)
Varies by version.
2)
Only GAS 222.xx ANSI and GAS 222.xx AMEX
WARNING
Gas emanation
Sample gas can be harmful to the health!
Check the lines for leaks.
4.6.1 Connecting the Gas Line
Please note the following items when connecting the sample
gas line (NPT 1/4") on heated probes to prevent thermal
bridges:
• Choose the shortest possible screw connection.
• Shorten the connection pipe for the sample gas line as
much as possible. To do so, remove the insulation around
the sample gas line.
CAUTION
Fragile
The insulation is fragile. Handle with care, do not drop.
Proceed as follows:
• Remove cover piece.
• Remove the two cap nuts from the insulating washer,
then remove the insulating washer.
• Remove the four retaining screws for the insulation.
• Slightly tip the right half-shell and remove to the top. The
left half-shell does not need to be moved to make the con-
nection.
Reservoir Ball valve Control
PAV01 pneumatic valve
drive 3/2-way
solenoid
valve
NPT 1/4
G1/2
NPT 1/4
G1/8
NPT 1/4
Bühler Technologies GmbH
G1/4
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