Dwyer instruments, inc – Dwyer VPI User Manual
Page 2
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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