Installation Instructions

Installation Instructions
Document No. 129-561
June 15, 2016
SAX Electronic Valve Actuator
Item Number: 129-561, Rev. CA Page 1 of 8
Product Description
The SAX Electronic Valve Actuator requires a 24 Vdc
or 24 Vac, Class 2, supply signal to control a
Flowrite™ 599 Series valve or a Siemens flanged,
Pressure Independent Control valve with a 3/4-inch
(20 mm) standard stroke.
Product Numbers
SAX61.03U Proportional Control Actuator
SAX81.03U Three-position Control Actuator
Warning/Caution Notations
WARNING:
Personal injury or loss of life
may occur if you do not
follow a procedure as
specified.
CAUTION:
Equipment damage or loss
of data may occur if you do
not follow a procedure as
specified.
CAUTION:
SAX Actuators can only be used for hot or
chilled water, or low pressure (<15 psi)
steam installations. Use on higher
temperature systems will damage the
actuator and lead to premature failure.
Required Tools
 4 mm hex wrench, or 10 mm wrench
 Flat-blade screwdriver or Phillips screwdriver
to remove wiring compartment cover
Expected Installation Time
30 minutes
Wiring a factory-installed actuator
45 minutes
Field replacement of actuator
Prerequisites
NOTE: Consult Technical Support if using with a TEC.
WARNING:
If mounting the actuator to a valve already
in line, either close the shut-off valves in
the piping (upstream first, then
downstream) or switch off the pump to
allow the differential pressure in the valve
to drop.
Mounting Positions
Figure 1. Acceptable Indoor Mounting Positions.
Figure 2. Acceptable Outdoor Mounting Positions with
Weather Shield for NEMA 3R Protection.