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Dwyer instruments, inc – Dwyer VPI User Manual

Page 2

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WIRING

Connection - Power

INSTALLATION

Safety Warning

• VPI Series is designed for non-explosion use. The VPI

should not be installed in explosives areas.

• All input and supply pressure to valve, actuator, and

other related devices must be turned off when installing.

VPI Installation
Installation Steps
1. Assemble limit switch body with the bracket.
2. Align main shaft of the limit switch box and the stem of the

actuator. After the alignment, tighten the bracket onto the
actuator.

BRACKET

BRACKET

ACTUATOR

INSTALLATION

4X M6 BOLT

4X M5 BOLT

4X M6 SPRING

WASHER

4X M5 SPRING

WASHER

MECHANICAL TYPE <2 SPDT>

NC

NO

NC

C

RED
BLACK
BLUE
YELLOW
WHITE
BROWN

1
2
3
4
5
6
7
8

SOLENOID

VALVE

GROUND

CLOSE

OPEN

EXT

C

NO

TOP SWITCH

BOTTOM
SWITCH

BROWN
BLACK
BLUE
BROWN
BLACK
BLUE

SOLENOID

VALVE

LOAD

GROUND

LOAD

CAM

CONNECTOR

TOP

SWITCH

BOTTOM

SWITCH

1
2
3
4
5
6
7
8

CLOSE

O

PEN

EXT

PROXIMITY TYPE

ADJUSTMENT-LOWER SWITCH

MICRO SWITCH

CAM

ADJUSTMENT-UPPER SWITCH

MICRO SWITCH

CAM

ADJUSTMENT

Adjustment - Upper Switch
Push down upper switch and turn right or left for switch adjust-
ment.

Adjustment - Lower Switch
Pull up lower switch and turn right or left for switch adjustment.

MAINTENANCE
Upon final installation of the Series VPI Valve Position Indicator,
no routine maintenance is required. A periodic check of system
calibration is recommended. The Series VPI is not field
serviceable and should be returned if repair is needed (field
repair should not be attempted and may void warranty). Be sure
to include a brief description of the problem plus any relevant
application notes. Contact customer service to receive a return
goods authorization number before shipping.

©Copyright 2010 Dwyer Instruments, Inc.

Printed in U.S.A. 6/10

FR# R4-443655-00

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000

www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A.

Fax: 219/872-9057

e-mail: [email protected]

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