Installation Instructions

Installation Instruction
Document No. 129-362
October 1, 2009
TRIAC Controller Resistor Installation
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and
models as design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective
owners. © 2009 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089
+ 1 847-215-1000
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Document No. 129-359
Printed in the U.S.A.
Page 1 of 1
Description
For applications using a SSC81.5U actuator
requiring fail-safe action and floating (three-point)
control with a TRIAC output controller.
Required Components
Two 1.0K-ohm resistors (1-watt, 5% accuracy).
Required Tools
Small flat-blade screwdriver or wire termination
(crimping) tool.
Expected Installation Time
10 minutes
Installation
Install the resistors from both DO Terminals to the
common terminal. See Figure 1.
The installation is now complete.
Figure 1. 1.0K-Ohm Wiring Diagram.