M-System ASD DC Alarm Instruction manual

Below you will find brief information for DC Alarm ASD. This document is an instruction manual for the ASD model DC alarm. It gives you a comprehensive guide on installation, connection, and basic maintenance procedures. The manual includes a detailed explanation of the front panel configuration, terminal connections and relay operation. It also provides instructions for checking the unit, points of caution when using it, and maintenance procedures including calibration.

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DC Alarm ASD Instruction Manual | Manualzz

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Key features

  • Thumbwheel switch adjustment
  • DIN rail mounting
  • Wall mounting
  • Hi/Lo setpoint adjustment
  • Hi/Lo output relay
  • Input signal monitoring
  • Calibration
  • Detailed wiring diagram
  • Relay operation explanation
  • Safety precautions

Frequently asked questions

Set the base socket so that its DIN rail adaptor is at the bottom. Position the upper hook at the rear side of the base socket on the DIN rail and push in the lower. To remove the socket, push down the DIN rail adaptor utilizing a screwdriver (-) and pull.

Before you remove the unit from its base socket or mount it, turn off the power supply and input signal for safety. Do not install cables (power supply, input and output) close to noise sources (relay drive cable, high frequency line, etc.). Do not bind these cables together with those in which noises are present. Do not install them in the same duct.

Warm up the unit for at least 10 minutes. For Hi Setpoint, increase the input signal from a value lower than the setpoint and check that the trip point remains within the accuracy described in the data sheet. For Lo Setpoint, decrease the input signal from a value higher than the setpoint and check that the trip point remains within the accuracy described in the data sheet. When the trip points are out of tolerance, contact M-System’s Sales Office or local representatives.
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