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Armstrong Digital-Flo Series Installation, Operation & Maintenance Manual

Steam-to-water, shell and tube, water heater
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Digital-Flo
®
Steam-to-Water,
Shell and Tube, Water Heater
Installation, Operation & Maintenance
Manual
Please read and save
these instructions
785-E-EN

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Summary of Contents for Armstrong Digital-Flo Series

  • Page 1 Digital-Flo ® Steam-to-Water, Shell and Tube, Water Heater Installation, Operation & Maintenance Manual Please read and save these instructions 785-E-EN...

  • Page 2: Table Of Contents

    Limited Warranty and Remedy ......42 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.

  • Page 3: Safety

    ALWAYS wear appropriate personal protective equipment (PPE) before carrying out any installation or maintenance work. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 1 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...

  • Page 4: General Description

    ® operation manual (IOM). 2. Armstrong reserves the right to make design or specification changes without notification. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA...

  • Page 5: Specifications

    : DF415DW40 ™ Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 3 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.

  • Page 6: Materials Of Construction

    DRV Body AISI 316L stainless steel Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 4 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...

  • Page 7: Connection Detail

    Consult factory for pressure drop information. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 5 of 44 Tel.

  • Page 8: Dimensions

    57.0 (1,448) 3,036 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 6 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.
  • Page 9 57.0 (1,448) 3,075 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 7 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.

  • Page 10: Precautions

    National Electrical Code (NEC), NFPA 70. CAUTION! For long & satisfactory service, Armstrong recommends the facility use, or install, effective electrical surge and lightning protection to protect this equipment. Only designated, qualified and competent personnel shall conduct product installation in accordance with these instructions.

  • Page 11: Installation Requirements

    Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 9 of 44 Tel.
  • Page 12 Designs, materials, weights and performance ratings Armstrong International are approximate and subject to change without notice. 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Page 10 of 44 Visit armstronginternational.com for up-to-date information. Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 13 PRV to accommodate the expanded volume of steam. 6. To vent start-up air, an Armstrong Thermostatic Air Vent is included and installed on the top connection, opposite the trap drain connection of the heat exchanger. This discharge can be piped to drain or the floor if preferred.
  • Page 14 Single DRV ® Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 12 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 15 Designs, materials, weights and performance ratings Armstrong International are approximate and subject to change without notice. 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Page 13 of 44 Visit armstronginternational.com for up-to-date information. Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 16 Two DRV’s ® Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 14 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.
  • Page 17 Designs, materials, weights and performance ratings Armstrong International are approximate and subject to change without notice. 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Page 15 of 44 Visit armstronginternational.com for up-to-date information. Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 18 Each DRV50 or DRV80 requires a minimum continuous recirculation of 10 gpm. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 16 of 44 Tel.

  • Page 19: Commissioning

    Confirm continous minimum flow of ≥ 5 gpm to each DRV40, ≥ 10 gpm to each DRV50, or≥ 10 gpm to each DRV80. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 17 of 44 Tel.
  • Page 20 New systems may take some time for the recirculation return temperature to rise to an appropriate level. Note: The setpoint of the DRV is preset based on information provided to Armstrong. To adjust the DRV setpoints, high limit error temp, or to enable/disable other integral valve features, refer to the DRV installation and operation manual (IOM).

  • Page 21: Safety Shutoff Valve

    Activate Relay on Alert box is unchecked. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 19 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...

  • Page 22: Preventative Maintenance

    If excessive leakage is found, replace worn or damaged plumbing, parts, and heat exchanger gaskets as required. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 20 of 44 Tel.
  • Page 23 P/N D42760 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 21 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 24 10 minutes, or until the outside of the heat exchanger is cool to the touch. h. While the heat exchanger is being flushed, prepare the Armstrong CIP unit for service: Connect CIP hoses – with ball valves closed – to the pump discharge and tank inlet connections. Verify that the tank drain valve is closed.
  • Page 25 Start CIP unit pump. Immediately stop the CIP unit pump once the tank is empty. g. Perform manual flush of the second CIP hose. Allow components to air dry. h. Store the Armstrong CIP unit in a warm and dry place. Do not expose to freezing temperatures. Armstrong Clean-in-Place Unit Detail...
  • Page 26 Cold Water Inlet Clean-in-Place (CIP) Connections Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 24 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...

  • Page 27: Troubleshooting

    Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 25 of 44 Tel.
  • Page 28 Guides. *Add DRV T-Shoot Guides Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 26 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 29 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 27 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 30 Body casting failure – replace DRV. Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 28 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 31 PCB = Printed Circuit Board Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 29 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 32 PCB = Printed Circuit Board Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 30 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 33 PCB = Printed Circuit Board Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 31 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 34 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 32 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.
  • Page 35 Issue addressed or Contact Factory @ 269-279-3602 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 33 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 36 Gasket Not Included - Order Gasket Kit Above Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 34 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...

  • Page 37: Spare Parts

    Bundle New Style Shown Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 35 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.
  • Page 38 2" NPT BRZ 150 LF FULL PORT D65350 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 36 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 39 VALVE BTFL 3 LUG 150 DI 501S LESS ACTR D70733 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 37 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...
  • Page 40 D8309 D8958 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 38 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.
  • Page 41 Thermowell .75" NPT X 9" SS D44903 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 39 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...

  • Page 42: Steam Trap Assemblies

    813PC 1NPT 3/8 C5318-43 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 40 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130 Visit armstronginternational.com for up-to-date information.
  • Page 43 CA1SC 2NPT .045 1/2 C4426-2 Armstrong International Designs, materials, weights and performance ratings 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA are approximate and subject to change without notice. Page 41 of 44 Tel. (269) 279-3602 Fax. (269) 279-3130...

  • Page 44: Limited Warranty And Remedy

    As a condition of enforcing any rights or remedies relating to Armstrong products, notice of any warranty or other claim relating to the products must be given in writing to Armstrong: (i) within 30 days of last day of the applicable warranty period, or (ii) within 30 days of the date of the manifestation of the condition or occurrence giving rise to the claim, whichever is earlier.
  • Page 45 Notes...
  • Page 46 Visit armstronginternational.com for up-to-date information. Armstrong International North America • Latin America • India • Europe / Middle East / Africa • China • Pacific Rim armstronginternational.com 785-E-EN Printed in U.S.A. - 4/17/2019 Page 44 of 44 © 2018 Armstrong International, Inc.

This manual is also suitable for:

Digital-flo df41540Digital-flo df415dw40Digital-flo df415p40Digital-flo df415dwp40Digital-flo df53540Digital-flo df535dw40 ... Show all

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