Installation Instructions

Installation Instructions
Document No. 129-801
June 19, 2015
SQV Series Electromotoric Valve
Actuators
(For use with 2-1/2 to 6-inch Pressure Independent
Control Valves)
Item Number 129-801, Rev. DA Page 1 of 7
Product Description
The SQV spring return (fail-safe) actuator requires a
24 volt power supply and a 0 to 10 Vdc or floating
control signal to control the Pressure Independent
Control series valve with 3/4-inch to 1-1/2-inch (20 to
40 mm) stroke.
Product Numbers
SQV91P30U Normally Open
SQV91P40U Normally Closed
Contents
SQV Actuator
Conduit Adapter
Stroke Indicators (2)
Anti-rotation Device
Warning/Caution Notations
WARNING:
Personal injury or loss of life
may occur if you do not follow
the procedures as specified.
CAUTION:
Equipment damage or loss of
data may occur if you do not
follow the procedures as
specified.
Troubleshooting
Check the wiring for the proper connections.
If actuator becomes inoperable, replace the
unit.
Required Tools
6 mm hex key
3/16” flat-blade screwdriver or T15 Torx
driver (to remove wiring compartment cover)
Small, flat-blade screwdriver (for wiring
terminal block)
Expected Installation Time
20 to 30 minutes
Prerequisites
Figure 1. Acceptable Mounting Positions.
NOTE: This device complies with part 15 of the
FCC Rules. Operation is subject to the
following two conditions: (1) This device may
not cause harmful interference, and (2) this
device must accept any interference
received, including interference that may
cause undesired operation.
NOTE: This equipment is intended to be supplied by
a Class 2 power source. All control signals
and output are Class 2 AC/DC.
Allowed wire size: 16 to 20 AWG
Installation
1. Using a 6 mm hex wrench, loosen the two hex
head cap screws on the bonnet connection. See
Figure 2.
Figure 2. Hex Head Cap Screws.

Summary of content (7 pages)