Technical Instructions
POWERS Controls 134-1861 Humidistat
Document Number A6V11435226
May 9, 2019
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. POWERS is a registered trademark of Siemens Industry, Inc. Other product or company names mentioned
herein may be the trademarks of their respective owners. © 2019 Siemens Industry, Inc.
Siemens Industry, Inc.
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Buffalo Grove, IL 60089
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Document No.
A6V11435226
Printed in the USA
Page 8
Dial Lock, Continued
4. While holding the dial firmly in place, keep the setting in line with the calibrating
mark, press Tab
A
and rotate it counterclockwise until it is against Stop Pin
C
.
Press Tab
B
and rotate it clockwise until it is against Stop Pin
C
. See Figure 7.
5. Ensure each tab fits into the notch closest to the stop.
6. Replace the humidistat cover, tighten the bottom cover screw, and replace the
adjustment knob.
Checkout Procedure
Before applying power, ensure that installation and wiring connections are made
according to job specifications.
After all necessary adjustments and electrical connections have been made, put the
system into operation and observe at least three complete operating cycles before
leaving the installation.
Service
There is no servicing of the humidistat. For a replacement 134-1861, contact your local
Siemens Industry representative.
Dimensions
Figure 8. Dimensions of the 134-1861 Humidistat in Inches (Millimeters).