Asco 290 Serie Instructions De Mise En Service Et D'entretien page 2

General installation and maintenance instructions
Valves with Positioner
2- Preparation of the new unit:
Unit identifi cation
spare parts kit no. (Positioner D only)
cable gland
connection M12
(câble Ø 5-10 mm)
Fail position maintained, single loop
0-10 V 60568108 60569108
4-20 mA 60568308 60569308
Fail close, single loop
0-10 V 60568118 60569118
4-20 mA 60568318 60569318
Fail close, double loop
0-10 V 60568418 60569418
4-20 mA 60568518 60569518
Mounting kit
all C140423 C140423
a. Remove the cover and its seal to gain access to the stem
and its spring (fi gs. 9 and 13).
b. Put the stem and its spring in place (manually hold the
compressed spring on the stem) (fi g. 10).
c. Clip the end of stem no. 7 into the holder on the potentiometer
by tilting the stem away and placing it back upright (fi gs. 11
and 12).
d. Re-install the two pneumatic connections from the old unit
on the new unit, or use mounting kit no. C140423 (see
pages with drawings).
Fig. 9 Fig. 10
Fig. 11 Fig. 12
Rep. 7
Rep. 7
Fig. 13
1
•
• 2
•
D (2/2 and 3/2) - series 290-390 P
• •
(2) (1)
3- Mounting on valve (fi g. 14)
a. Make sure that screw F is loose.
b. Assemble the unit onto its support.
c. Orient pneumatic connection no. 5 so that it faces pilot orifi ce
no. 9 of the valve and connect tube no. 10 (fi g 15).
d. Fix the unit into position with screw F; be sure to observe
a tightening torque of 1,5 Nm (fi g. 16).
Fig. 14
Fig. 15
Rep. 5
Rep. 10
Rep. 9
4- Connections
Make all electrical and pneumatic connections in accordance
with the general instructions.
In case of use with a 4-20 mA setpoint, send a value > 4 mA
(e.g. 5 mA) in order to start the initiation cycle.
4
2
•
GB
• 3
•
•
P 1
• •
(2) (1)
5- Adjustment of the new unit
a. Apply electrical power and air pressure.
b. Press middle button no. 12 for more than 3 seconds until
LED 1 (yellow) and LED 4 (orange) fl ash to automati-
cally start the initialisation procedure (fi gs. 17 and 19).
c. Release the button and leave the device to automatically
run the initialisation cycle (several openings and closures).
d. After approx. 1 minute, the valve stops in the preset setpoint
position. If there is no setpoint, the valve closes in airtight
position.
e. Put the cover and its seal back in place; be sure to ob-
serve a tightening torque of 5 Nm.
Fig. 17
Fig. 16
Prior to any maintenance work or putting into operation,
power off the Positioner
valve to prevent the risk of personal injury or damage
to equipment.
Preventive maintenance The profi led disc seal is available as
a spare part for series 290 2/2 NC valves, see following pages.
Series 390 3/2 NC valves are equipped with a standard disc,
see following pages.
This product complies with the essential requirements
of EMC Directive 2004/108/EC and Low Voltage Directive
2006/95/EC. A Declaration of Conformity is available on
request.
3835106
General installation and maintenance instructions
Valves with Positioner D (2/2 and 3/2) - series 290-390
E S D
Fig. 18
CAUTION
OBSERVE
PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
SENSITIVE
DEVICES
LED 1
Rep. 12
LED 4
78M05
Fig. 19
MAINTENANCE
D , depressurise and vent the
5
1
2
• •
GB
• 2 • 3
•
• •
P P 1
• • • •
(2) (1) (2) (1)
This product contains electronic
components sensitive to electro-
static discharge. An electrostatic
discharge generated by a person
or object coming in contact with
the electrical components can
damage or destroy the product. To
avoid the risk of electrostatic dis-
charge, please observe the han-
dling precautions and recommen-
dations contained in standard EN
100015-1.
Do not connect or disconnect the
device while it is energised.
3835106