Samson 3730-0, Монтаж и эксплуатация

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28 EB 8384-0 EN
Attachment to the control valve – Mounting parts and accessories
The rule A
1
+ A
2
= Z applies.
A1: Connect output A
1
to the loading pres -
sure connection on the actuator that
causes the valve to open when the pres
-
sure rises.
A
2
: Connect output A
2
to the loading pres -
sure connection on the actuator that
causes the valve to close when the pres
-
sure rises.
Î
Position the DIP switch S1 according to
the AIR TO OPEN symbol as described
in section 7.2.
4.5.1 Reversing amplifier
(1079-1118 or 1079-
1119)
Fig. 10
1. Mount the connecting plate (6) from the
accessories (Table 7) to the positioner.
Make sure that both O-rings (6.1) are
seated correctly.
2. Thread the special nuts (1.3) from the ac -
cessories of the reversing amplifier into
the boreholes of the connecting plate.
3. Insert the gasket (1.2) into the recess of
the reversing amplifier and slide both the
hollowed special screws (1.1) into the
connecting boreholes
A
1
and Z .
4. Place the reversing amplifier onto the
connecting plate (6) and screw tight us
-
ing the two special screws (1.1).
5. Use a screwdriver (8 mm wide) to screw
the enclosed filters (1.6) into the connec
-
tion boreholes A
1
and Z .
NOTICE
Risk of uncontrolled air escaping at
the loading pressure connection.
Do not unscrew the sealing plug (1.5)
out of the reversing amplifier.
Note
The rubber seal (1.4) is not required
and can be removed when the seal-
ing plug is used.
Pressure gauge attachment
The mounting sequence shown in Fig. 6 re -
mains unchanged. Screw a pressure gauge
bracket onto the connections
A
1
and Z .
Pressure gauge bracket G ¼ 1400-7106
¼ NPT 1400-7107
Pressure gauges for supply air Z and output
A
1
as listed in Table 3 to Table 5.
4.6 Attaching positioners with
stainless steel housings
Positioners with stainless steel housings re -
quire mounting parts that are completely
made of stainless steel and free of aluminum.
Note:
The pneumatic connecting plate and
pressure gauge bracket are available
in stainless steel (order numbers list-
ed below). The Type 3710 Pneumatic
Reversing Amplifier is
not available
in stainless steel.
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