Armstrong International
221 Armstrong Blvd, Three Rivers, MI 49093 - U.S.A.
Tel: (269) 279-3602 Fax: (269) 279-3130
Designs, materials, weights, and performance ratings are
approximate and are subject to change without notice.
Visit armstronginternational.com for the most updated information.
Page 9 of 36
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3.0 - Electrical Installation
Do not attempt electrical installation unless you are qualified to do so under the laws of your
jurisdiction. It is essential that you understand the information in this section to achieve a successful
electrical installation. If in doubt, contact Armstrong or its authorized sales representative.
The wiring of the actuator must be carried out by a qualified technician and according to the
instructions described below.
The wire sizes as recommended in the instructions must be adhered to.
Always consider environmental and mechanical conditions of the installation, such as ambient
temperatures, chemicals, moisture and exposure to mechanical impacts, shock and vibration.
For mechanical protection of the wiring as well as to comply with EMC (Electro Magnetic Compatibility)
standards it is recommended to place the wiring in screened conduit or to use screened cables.
3.1 - General Information
The enclosure of the Actuator has one 1/2” NPT cable (or conduit) entry points. Use an appropriate conduit adapter for these cable entries
and use screened (PVC coated metal) conduit (connected to earth) with appropriate ingress ratings. Install the conduit as required for the
installation and place the wire or cables in the conduit as described in the wiring instructions.
Continued on next page
Image 3.1 Diagram of Emech
®
G2 Actuator circuit board
FL V
+
FL IN
NTC2
OV
OUT
+
OUT
-
SHIELD
IN
+
IN
-
SHIELD
A
+
B
-
OV
NTC 2FLOW4-20 OUT
4-20 INMODBUS
MOTOR 24V IN ENCODER
FUSE
+
V
OV
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