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Siemens POWERS 134-1861 Technical Instructions
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POWERS® ControlsTechnical InstructionsDocument No. A6V11435226May 9, 2019134-1861 HumidistatSiemens Industry, Inc.Part No 24-8466-00036 Rev. ADescription The 134-1861 Humidistat controls humidifying and/or dehumidifying equipment. Typicaluses include the control of humidity by ventilation, air conditioning, humidifiers, anddehumidifiers in residential, commercial, and industrial installations.This humidistat has Single-Pole/Double-Throw (SPDT) snap-acting contacts rated toswitch 1/4 hp motors. It has a wide setpoint range of 0 to 70% Relative Humidity (RH), aswell as “off” dial positions for humidification and dehumidification. The differential of the134-1861 is fixed at approximately 6% RH.Features • Human Hair Sensing Element – Provides stable, accurate measurement.• 1/4 HP (6A) Rated Contacts – Permit direct operation of many fans in commercialapplications.• High/low Adjustable Knob Range Stops – Allow adjustments within a desired range.• Enclosed Pennswitch – Provides dust protection for contacts.• Mounting Plate – Allows easy mounting and wiring without removing the cover.Product Number 134-1861Accessories Concealed Adjustment Faceplate, Vertical Mounting 134-034Aluminum Guard 134-117Warning/Caution NotationsWARNING: Personal injury or loss of life may occur if a procedure is notperformed as specified.CAUTION: Equipment damage or loss of data may occur if the userdoes not follow a procedure as specified |
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