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1 Provide overload protection and disconnect as
required.
2 Actuators may be wired (120V mA does not have red
wire and 230V mA does not have red or black wires)
in parallel. All actuator black wires are connected to
the transformer common and all red wires are
connected to the hot lead. Power consumption must
be observed.
3 The Common connection from the actuator must be
connected to the Hot connection of the controller. The
actuator Hot must be connected to the controller
Common.
4 If the controller uses a full-wave power supply and
does not provide isolated outputs, a separate
transformer is required.
INSTALLATION
Inspection
Requirements
Precautions
F-27169-3
Figure-8 Wire Diagram Notes Guide
Inspect the package for damage. If damaged, notify the appropriate carrier immediately. If
undamaged, open the package and inspect the device for obvious damage. Return
damaged products.
•
Job wiring diagrams
•
Appropriate accessories
•
Pliers for removing and inserting connecting pin
•
Installer must be a qualified, experienced technician
•
TOOL-37, 1 5/8" open end wrench for valve mounting nut
•
5/16" and 7/16" open-end wrench for stem jam nuts and stem extension
•
#8 Torx screwdriver (not provided)
General
Warning:
•
Electrical shock hazard! Disconnect the power supply (line power) before installation to
prevent electric shock and equipment damage.
•
Make all connections in accordance with the job wiring diagram and in accordance with
national and local electrical codes. Use copper conductors only.
•
Floating and Proportional Models: These products contain a half-wave rectifier power
supply. They must not be powered with transformers that are used to power other
devices utilizing non-isolated full-wave rectifier power supplies. Refer to EN-206,
Guidelines For Powering Devices From A Common Transformer, F-26363 for detailed
information.
Caution:
•
Avoid electrical noise interference. Do not install near large contactors, electrical
machinery, or welding equipment.
•
Manual override to be used only when power is not applied to unit.
•
When operating manual override (observe position indicator), back off 5° from full
extended mechanical stop to ensure proper release.
•
Use with fluid temperatures above 100°C requires insulation on the pipe and control
valve.
Federal Communications Commission (FCC)
Note: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in residential installations. This
equipment generates, uses, and can radiate radio frequency energy and may cause
© Copyright 2004 Invensys Building Systems, Inc. All rights reserved.
5 A field-supplied 500 ohm resistor (AM-708) is
required for this application.
6 On MS51-7103-X60 (4-20 mAdc) models a 500
ohm resister is incorporated in the product. Do
not use an external resistor.
7 If using multiple MS51-7103-040's with System
8000 controller requiring 20 Vdc power; tape
off red +20 Vdc power supply leads on all but
one actuator.
8 Cable on some models contains more wires
than are used in applications. Only those
wires actually used are shown.
7
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