Macnaught PR Instruction Manual
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Macnaught PR Instruction Manual

Digital register
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MXL-INSTPR
REV 3
11/19
TYPE PR
DIGITAL REGISTER
INSTRUCTION MANUAL
- FLOWRATE INDICATOR
- TOTALIZER
To the Owner
Please read and retain this instruction manual to assist
you in the operation of this product.
This Instruction Manual provides instruction guide on the
operation and programming of the Type PR, 12mm LCD
Digital Register.
Should you require further assistance please contact you
local Macnaught representative.
Macnaught offer a comprehensive set of web based
support materials to compliment our product range.
Access the website by scanning the QR code.
WWW.MACNAUGHT.COM

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Summary of Contents for Macnaught PR

  • Page 1 Please read and retain this instruction manual to assist you in the operation of this product. This Instruction Manual provides instruction guide on the operation and programming of the Type PR, 12mm LCD Digital Register. Should you require further assistance please contact you local Macnaught representative.

  • Page 2: Table Of Contents

    INDEX Introduction……………………………………………………………………………………………………………….……….. 3 Functions and Features…………..……………..……………..……………..……………..……………..……………..…… 3 Configuration…………..……………..……………..……………..……………..……………..……………..……………..… 3 Display and mounting information………….……………..……………..…………..……………..…………….………….. 3 Installation………………………………..……………………………………..……………..……………..……………..…... 3 Warranty……………………………………..……………..……………..……………..……………..……………..………... 3 Technical Specifications…………….…………….……………………………………………………………………………. 4 General…………….…………….…………….…………………..…………..……………..……………..……………..…… 4 Display…………….…………….…………….…………….……..…………..……………..……………..……………..…… 4 Input…………….…………….…………….……………………..……………..……………..……………..……………..….. 4 Output…………….…………….…………….……………………..……………..……………..……………..………………. 4 Set-up functions…………….…………….…………….………………….…………….…………….…………….……….….. 5 Terminal connectors…………….…………….…………………….…………….…………….…………….……...………… 5 Explanation of Set-up functions…………….…………………………….…………….…………….…………….………… 6 Total/ Batch Total….…………….…………….………………….…………..……………..……………..……………..……...

  • Page 3: Introduction

    INTRODUCTION FUNCTIONS AND FEATURES The flow rate / totalizer model PR is a microprocessor driven instrument designed to display flow rate, total and accumulated total. This product has been designed with a focus on: • Ultra-low power consumption to allow long-life battery powered applications.

  • Page 4: Technical Specifications

    TECHNICAL SPECIFICATIONS GENERAL Display Type High intensity reflective numeric and alphanumeric LCD, UV-resistant Digits Seven 12mm (0.47") and seven 8mm (0.31"). Various symbols and measuring units Flow Rate: Once per second Refresh rate Total: 8 times/second after key press to one second Enclosure General Polypropylene housing with Polycarbonate window, EPDM gaskets.

  • Page 5: Set-Up Functions

    *The k-factor in 4.1 MUST ALWAYS be entered in pulses per LITRE, regardless of units in 1.1, 2.1 and 3.1 TERMINAL CONNECTORS The PR unit can only accept a Reed switch input, this sensor has been selected as the most common sensor and requires very little power with small effect on battery life.

  • Page 6: Explanation Of Set-Up Functions

    EXPLANATION OF SET-UP FUNCTIONS Total/ Batch Total Unit This determines the measurement unit for Total and Batch total. The following units can be selected: L - m - UKGAL - USGAL - UKbbl –USbbl - OILbbl Decimals This determines the number of digits and decimal points for total and batch total. The following decimals can be selected (for 0, 1, 2 and 3 respectively) 0000000 - 111111.1 - 22222.22 - 3333.333 Accumulated Total...

  • Page 7: Programming Set-Up Level

    PROGRAMMING SET-UP LEVEL This chapter describes the daily use and programming of the PR Digital Register. The instructions are meant for users / operators. MODES OF OPERATION RUN mode: This is the normal operating mode. icon on the screen represents this mode.

  • Page 8: K-Factor Programming

    Flow meter’s test report • Contact Macnaught providing the Serial Number of the flow meter PROGRAMMING K-FACTOR IN THE DISPLAY Always enter the K-factor in pulses per LITRE (PPL). Entering the k-factor in pulses per gallon (PPG) will result in inaccurate readings.

  • Page 9: Dimensions

    Item Description 1. Rubber Boot MXD-DS Display MXS-WMB Wall mount bracket 2. Cover Screws PR-RMP Display + Wall mount bracket 3. Display Label Wall mount bracket is required for remote installation SERVICE KITS 4. LCD Cover Kit Part Number Item Description Item Number 5.

  • Page 10: Troubleshooting

    TROUBLESHOOTING DISPLAY IS BLANK The battery could either be dead or not connected properly. Inspect/ replace the battery. DISPLAY SHOWS INCORRECT READING Check the k-factor. Make sure the decimals are taken care of. It should be in pulses per litre. DISPLAY SHOWS NO FLOW Check the wiring between the PCB sensor board (Item no 8) and LC display board (Item no 6).

  • Page 11: Notes

    The WEEE Directive requires the recycling of waste electrical and electronic equipment in the European Union. Whilst the WEEE Directive does not apply to some of Macnaught’s products, we support its policy and ask you to be aware of how to dispose of this product.
  • Page 12 Macnaught Americas 614 South Ware Boulevard Tampa Florida USA, 33619 T: +1813 628 5506 E: info@macnaughtusa.com W: www.macnaughtusa.com...

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