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Daisy 9017 User Manual

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Model 9017 Y/Z-Purge
User Manual
February 2022

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  • Page 1 Model 9017 Y/Z-Purge User Manual February 2022...

  • Page 2: Disclaimer

    DAISY manufactured equipment, and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. Further, Daisy Data Displays, Inc. reserves the right to make changes to any and all DAISY manufactured equipment, at any time, without obligation to notify any person or entity of such changes.

  • Page 3: Limited Warranty And Liability Statement

    Model 9017 Y/Z-Purge Operator Interface Limited Warranty and Liability Statement To the original purchaser, Daisy Data Displays, Inc., hereinafter referred to collectively as SELLER, warrants each of its manufactured products, and all components therein contained to be free from defects in materials and/or workmanship for a period of 24 months from the date of purchase.

  • Page 4: Table Of Contents

    4.1 Power and Signal Wiring Requirements ................5 4.2 Pack-Seal Connection Instructions ..................6 4.3 Purge Air Line Connection Instructions ................8 4.3.1 For Division 1 Z-Purge Systems Model 9017 ............8 5 Start-Up Operation ......................9 5.1 Division 1 Y/Z-Purge Start-Up Operation ................9 6 Operation Notes ........................

  • Page 5: Introduction

    Thank you for selecting a DAISY solution for your hazardous area operator interface requirements! This manual describes the general procedures for installing and operating DAISY Model 9017 Y/Z-Purge systems. The text portion of the manual also includes an overview of the theory behind the methods used to make electronic systems safe for hazardous areas.

  • Page 6: Hazardous Area Safety Methods: Theory Of Operation

    (see National Electrical Code articles 500-504 and the NFPA 496, section 2-9). Essentially, the installation of a Y-purge on a DAISY enclosure in a Division 1 area reduces the rating inside of the enclosure to Division 2. This allows less costly Division 2 electronic equipment to be safely used in Division 1 areas.

  • Page 7: Pre-Installation Testing

    6. Apply air or inert gas to the enclosure. The enclosure may “swell” slightly as the internal pressure increases. This is normal and is not a cause for concern. DAISY enclosures are DO NOT ATTEMPT TO OPEN THE ENCLOSURE WHILE designed to release excess pressure.
  • Page 8 Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. 11. Slowly return the control valve to OPERATE and apply power to the enclosure. The “Pressure Good” LED should be illuminated green. If not, check the internal pressure, it should be between 0.4” and 10.0” of Water Column.

  • Page 9: Installation

    Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. 4 Installation 4.1 Power and Signal Wiring Requirements Mounting Location When mounting, Human Machine Interfaces (HMI) and Purge systems must be positioned to avoid radiated and induced interference. Do not mount the unit in close proximity to a device that generates strong radiofrequency interference or electromagnetic interference.

  • Page 10: Pack-Seal Connection Instructions

    1. Threaded surfaces and pour locations should be cleaned with soap and water and thoroughly dried before proceeding. 2. On a Z-purge system, no entryway is provided by DAISY for power and signal conduits. These entries must be made by the end user. Select a point on the enclosure that matches well with the location of the incoming conduit.
  • Page 11 Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. 3. Install two conduit runs (one signal, one power) between the Z-Purge system and AC power source (located in a safe area or in an explosion-proof box). See drawing P015 at the end of this manual.

  • Page 12: Purge Air Line Connection Instructions

    4. Connect the line to the inlet of the regulator on the Purge Unit. 5. Apply air or inert gas to the enclosure. The enclosure may “swell” slightly as the internal pressure increases. This is normal and is not a cause for concern. DAISY enclosures are designed to release excess pressure.

  • Page 13: Start-Up Operation

    6. The size of your enclosure will determine the purge time, unless you purchased a Y/Z- Purge on a DAISY Enclosure, then follow the purge time stated on the product label. After purge cycle, slowly turn the control valve to OPERATE.

  • Page 14: Operation Notes

    (that is, if the pressure in the unit falls below a preset level). Such a failure is indicated by several means. DAISY units are equipped with both an indicator light (the “Pressure Good” LED shown on drawing P017) and an internal pressure meter (shown on the same drawing).
  • Page 15 7 Customer Service All Daisy systems pass detailed quality control configuration and inspection before being shipped. Daisy strives to create the highest quality systems and chooses top quality parts. However, like most electronic devices, units may experience issues over time. Should you experience problems, or have any further inquiries or comments, please contact Daisy’s...

  • Page 16: Y/Z-Purge Ext. Relay Kit Model 9121

    Daisy Data Displays, Inc. 7.1 Y/Z-Purge Ext. Relay Kit Model 9121 The Model 9121 External Relay Kit is designed to be incorporated into Daisy Data Y- or Z-Purge Systems to provide an automated means to remove power to protected components upon the loss of pressure within the cabinet.

  • Page 17: Model 9121 Block Diagram

    Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. 7.1.5 Model 9121 Block Diagram IMPORTANT The Model 9121 Relay Kit: • DOES NOT POWER DOWN THE ALARM CIRCUIT IN THE CABINET • POWER TO THE PROTECTED EQUIPMENT IS CUT-OFF / NOT THE ALARM CIRCUIT...

  • Page 18: Trouble-Shooting Guide

    Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. 8 Trouble-shooting Guide 8.2 Division 1 Z-Purge Troubleshooting PROBLEM POSSIBLE CAUSE SUGGESTED SOLUTION For correct operation, the purge unit must be mounted vertically so Improper flow meter reading that the flow meter is vertically...
  • Page 19 Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. PROBLEM POSSIBLE CAUSE SUGGESTED SOLUTION Ensure that the air connection at the regulator is not kinked, has no Restrictions in the air connections obstructions, and is firmly connected. Power should only be applied to the...

  • Page 20: Specifications

    Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. 9 Specifications Materials (All materials comply with NEMA 4X standards) Enclosure and Hardware Stainless Steel Mechanical Purge Controller 6.75”H x 11.50”W x 2.75”D, 9 pounds Interface Box 7.25”H x 12.25”W x 3.50”D, 5 pounds...

  • Page 21: Drawings

    Model 9017 Y/Z-Purge Operator Interface Daisy Data Displays, Inc. 10 Drawings The following is a list of drawings in the order in which they appear: Number Description Page P015 Z-Purge Cable & Conduit Entry M014 Z-Purge Dimensions M012 Z-Purge Mounting...
  • Page 22 PAC Seal Fittings REFER TO PAC-SEAL INSTRUCTIONS 9565 1" NPT, 18" max m Encl sure 9566 100' 9567 150' MODEL 9017: DIVISION 2 Z-PURGE MOUNTED TO AN ENCLOSURE 9568 200' 9569 250' 9570 300' Pressure Gauge, 0-160 PSI 9571 350'...
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