Specifications

SECTION VIII. OPTIONS
s-1.
8-2.
8-3.
OVERVIEW. This section of the manual provides
service information on the 8 x 14 power positioner
standard options. These options include Electric
Positioner Transmitter (EF’T), Current to Pneumatic
(I/P) Converter, Limit Switches, and
Heater/Thermostat.
ELECTRIC POSITION TRANSMITTER. For
information on the EF’T for PP814T Power Positioner,
refer to IB-102.208A, Field Retrofit Kit Electric
Position Transmitter.
CURRENT TO PNEUMATIC (I/P>
CONVERTER AND REGULATOR.
a. UP Adiustment. Refer to Section 4-3 and
calibrate converter.
b. I/P Replacement. Use the following procedure
for replacement of the current to pneumatic (VP)
signal converter.
1, Remove power positioner from service.
2. Turn electrical signal transmitter off and
make sure no voltage or carrent is being
applied to the I/P.
3. Bleed off air pressure through connection of
I/P inlet piping (1, Figure 8-l) to I/P
converter (9).
4. Remove I&’ inlet piping (1) and I/P outlet
piping (2) from I/P.
5.
6.
I.
8.
9.
10.
11.
12.
Remove screws securing signal leads (4)
from I/P screw co”“ectors. If screw
connectors are not installed on I/P, remove
I/p pigtails from screw connectors.
Remove screws (3) securing old I/P
converter from frame and discard IK.
Install new I/P to same mounting location
securing with screws.
Connect signal leads.
Attach I/P inlet piping (1) and I/P outlet
piping (2) to respective ports on I/P.
Open supply air valves and test for leaks
“sing “Snoop” type leak detector.
Refer to Section 4-3 and calibrate I&‘.
Rehnn power positioner to service.
c. Regulator Replacement.
1. Remove power positioner from service.
2. Shut off air supply to regulator.
3. Slowly bleed off pressure from both sides of
regulator and remove regulator inlet piping
(6, Figure 8-l) connector and regulator
outlet piping (7) connector.
4. Remove screws (5) securing regulator from
mounting bracket (8) and remove old
regulator.
5. Install new regulator on mounting bracket
with screws (5).
6. Attach regulator inlet piping (6) connector
and regulator outlet piping (7) connector to
appropriate ports on regulator.
I
7. Open supply air valves and test for leaks
“sing “Snoop” type leak detector.
8. Adjust regulator and calibrate positioner.
9. Return positioner to service.