Armstrong The Brain DRV80 Manual
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Armstrong The Brain DRV80 Manual

Digital recirculation valve
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The installation and service must be performed by a qualified installer.
For further information, please call our technical department Toll Free at 1-888-468-4673.
Recirculating Valve
E357437
Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130
The Brain
DRV80
Digital Recirculation Valve
®
1
Keep this manual with installation
for future reference.

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Summary of Contents for Armstrong The Brain DRV80

  • Page 1 For further information, please call our technical department Toll Free at 1-888-468-4673. Recirculating Valve E357437 Armstrong International Keep this manual with installation 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA for future reference. Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 2: Table Of Contents

    Options ............. 36 DRV80 Display Alerts .......... 37 DRV80 Error Messages ........37 Connectivity ............38 System Performance ........... 38 Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 3: Introduction

    Introduction The Brain DRV80 is a registered trademark of Armstrong Hot Water Group, a division of Armstrong International. ® DRV80 features Rada Technology, Rada is a registered trademark of Kohler Mira Limited of Cheltenham, England. The DRV80 is a digital recirculating valve for use as part of a warm water recirculation system within a commercial installation.

  • Page 4: General Advisory

    Water must have levels of chloramine / chlorine lower than or equal to 4mg / l (ppm) for continual usage. Data Storage Armstrong International shall not accept liability in contract, tort (including negligence or otherwise) for any loss of profits, business or anticipated savings, or loss or corruption of data, or any indirect or consequential loss arising out of the customer's use of DRV80.

  • Page 5: Single Drv80 Pack Contents

    *2 x CR - P2 6V Batteries fitted as supplied. USB Driver and The Brain® DRV80 Control Software are available to download from website, www.armstronginternational.com/brain Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 6: Drv80 Dimensions

    4" (102 mm) 5-11/16" 3” NPT Internal (144 mm) 10-9/16" (268 mm) 9’ 6" (3m approx) power cable length Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 7 1-3/16" (30 mm) 10-5/8" (270 mm) 6-3/4" (172 mm) 2" (51 mm) minimum recommended clearance Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 8: Specifications

    Auxiliary Relay (see Alerts - Activate Relay on Alert) Relay Type Single pole changeover relay contacts Power Supply 250V AC / 24V DC Supply Fuse 2 Amp Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 9: Default Settings

    In order to enter P.O.'s and guarantee delivery dates, a technically accurate and complete IDF is required. The review and acceptance of the information on the IDF by Armstrong: 1. Approves the order for processing which triggers an e-mail confirmation 2.

  • Page 10: Installation

    DRV80 MUST ONLY ® be installed in this orientation. These clearance dimensions are recommended for maintenance purposes. 6” 8” Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 11: Installation Requirements

    Do not use oil-based, non-setting joint compounds. To eliminate pipe debris it is essential that supply pipes are thoroughly flushed before connection to the DRV80. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 12: Piping Diagrams

    Mixed Flow *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Outlets Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 13 Mixed Flow *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Outlets Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 14 Swing Check Valve* *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 15 Swing Check Valve* Outlets *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 16: Installation Drv80

    BS or an error relay. If these ® are required but have not been prefitted, contact Armstrong for further advice. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 17 Do not fit or replace a power cable plug! Power Cable Commission the DRV80 and recirculation system using the following instructions... Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 18: Commissioning

    Close all the mixed water outlets and turn on the circulating pump. 4mm HEX Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 19 Installation Detail Form (IDF). Rada DRV80 Temp. 119˚F Setpoint 120˚F Current Outlet Temperature Current Setpoint Display as seen during normal operating mode Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 20: Operation

    Run the DRV80 Control Software by double clicking the icon on the desktop or search for and run the file Brain DRV Programming Software.exe Electronics Module Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 21: Control Software

    Microsoft Windows OS. Note! Make sure the USB Driver has been installed. Example of Microsoft Windows XP Device Manager Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 22 Valve Control - Alters the DRV80’s state ON / OFF. This is required when making specifi c adjustments to the DRV80’s settings (detailed further in these instructions).. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 23: Drv Information

    These data fi elds are read only and can only be changed by updating the DRV80 internal software (only to be performed by a qualifi ed service engineer). Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 24: Temperatures

    Change the Adjusted Setpoint back to the default value by clicking Reset to Default. The Adjusted Setpoint value is displayed on the DRV80 as Setpoint. Temp 108˚F Setpoint 110˚F Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 25: Setpoints

    Switch Valve Control to OFF. Click Set to transfer the value to the DRV80. Switch Valve Control back ON. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 26: Setpoints - Explained

    110˚F normal operation Temp 108˚F Setpoint 102˚F reset after power failure (to change back to 110°F use Adjusted Setpoint) Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 27: Alerts - Explained

    Network (LAN) or can be accessed online via the integrated Modbus and SAGE BS connection port if connected ® and programmed accordingly. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 Example...
  • Page 28 Adjusted Setpoint value does not need to be the same as the Default value. Both Adjusted Setpoint and Default can be set within the Max and Min range only. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 29: Preset Display Alerts

    Preset Display Alerts The DRV80 is supplied preprogrammed to the customers requirements specifi ed on the Installation Detail Form (IDF). In addition, Armstrong has preset two DRV80 display alerts: Level 1 - Alert preset: 5°F Above Setpoint DRV80 will display Temp High preset: 5°F Below Setpoint DRV80 will display Temp Low...

  • Page 30: Disinfection

    Failure to complete a sufficient cool down of the blend circuit may result in a Temp High alert or an Error Temp shut down to full cold (see Alerts on pages 27- 29). Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 31 The Disinfection Timeout can be set up to a maximum of 1800 minutes (30 hours). Max. ALERT Above Setpoint Setpoint Setpoint Default Below Setpoint Armstrong International Min. 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 ALERT Cold...
  • Page 32 (There is a 10 second countdown before full hot is supplied to the blend circuit. The display on the DRV80 changes to confi rm the disinfection cycle is active.) Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 33 Cycle the power off / on to reset the DRV80, make sure the blend circuit is at a safe temperature before allowing any outlets to be used. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 34: Disinfection Quick Start Guide - 1

    Click Refresh to confirm. Click On under Valve Control. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA For all further disinfection cycles, use Quick Start Guide - 2. Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 35: Disinfection Quick Start Guide - 2

    Disinfection Timeout period. Repeat all steps in Quick Start Guide -1 to maintain a reliable disinfection cycle for the system. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 36: Options

    The number is between 3 and 32. (If you are in any doubt contact the system administrator before adjusting this setting.) Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 37: Drv80 Display Alerts

    • Gear Drive Assembly (See Preventative Maintenance for further details) Do not use Calibration Set for any other reason. If in doubt contact Armstrong for further advice. DRV80 Display Alerts Outlet temperature exceeds the above setpoint value. This Temp High 127˚F...

  • Page 38: Connectivity

    BS or Modbus. ® SAGE ® SAGE BS is an optionally selected control module from Armstrong which enables an interface with Building ® Automation Systems (BAS) which utilize Modbus, Bacnet™ or LonWorks™ protocols via the use of specific ProtoCessor cards. SAGE BS also has an ethernet port and operates as a web server for remote network access.

  • Page 39: Preventative Maintenance And Fitting Spare Parts

    Each DRV80 has a serial number that is maintained on file with the technical department at Armstrong. For any installation, operation, maintenance or technical support details not covered in this guide, please call our Technical Department quoting the model and / or serial number.

  • Page 40: Drv80 Disassembly

    Limited Warranty. (See back page for full details.) Step 4 Step 5 Note! Retain Clips if replacing electronics module Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 41: Electronics Module

    Electronics Module D51818 D45781 D51819 Front Cover D77504 Thermistor Loom D98156 Y-Strap D51817 D77504 D51818 D51819 D45781 D51819 D98156 D51819 Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 42 Only remove if seal is to be renewed 2 x CR - P2 6V Step 3 Step 4 Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 43 Step 5 Note! Remove 8 pin plug, unscrew lock nut and withdraw Thermistor Loom Step 6 Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 44: Pcb Connections

    Remote Thermistors Relay Power Relay Supply Fuse Fuse * See separate guide - www.armstronginternational.com/sites/default/files/resources/documents/IOM-690.pdf **See separate guide - www.armstronginternational.com/sites/default/files/resources/documents/IOM-776.pdf Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 45: Drv

    Screw Pack D51826 D51825 D51826 D51825 D51822 D51825 D51823 D51822 D51825 D51824 D45786 D51825 D68927 D45791 D51826 D51820 D51821 Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 46 Step 2 2.5mm HEX 3mm HEX Step 3 Step 4 13mm HEX Seals shown 1:1 when printed at Full Scale Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 47 Step 5 Step 6 3mm HEX Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 48 Step 7 Step 7a Step 7b 3mm HEX Step 7c Seals shown 1:1 when Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA printed at Full Scale Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 49 Use one of the 3mm Hex screws to assist in removing the cartridge. 3mm HEX Step 9 Cartridge will fall when loose. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 50 Step 10 D51825 Cartridge Seal Pack (Cartridge not included) Only use silicone based lubricants on rubber seals. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 continued...
  • Page 51 Seals shown 1:1 when printed at Full Scale Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 52 Use one of the 3mm Hex screws to assist in refitting the cartridge. Remove the screw when the cartridge is inserted fully. 3mm HEX Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 53 Run the The Brain® DRV Programming Software and go to the Options screen. Click Off under Valve Control. Click Calibration Set. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 continued...
  • Page 54 Click Yes to proceed with the calibration. Monitor the DRV80 display. Calibrate HotEnd Valve Reset... Rada DRV80 Temp. 118˚F Setpoint 120˚F Wait for the DRV80 to reset. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 55: Troubleshooting

    “Cannot read the LCD display” ............. 66 “High pitched noise from DRV80” ............67 “Water leaking from DRV80” ..............68 Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 56: Drv80 Display Errors

    P/N - D51817 Electronics Module see pages 40-43. Temp 120˚F Error Reset Temp 120˚F Error Reset Temp 120˚F Error Reset Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 57 2. P/N - D51817 Electronics Module 3. P/N - D51821 Magnetic Rotor 4. P/N - D45786 Stepper Motor see pages 40-47. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 58 PCB (see page 44). If problem persists, replace PCB and / or LCD. P/N - D45781 LCD, or P/N - D57396 See pages 40-43. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 59: Common Faults

    Make sure supply pressures are balanced. Make sure mixed return is flowing correctly to water heater. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 Return to Hot Water Supply Inlet...
  • Page 60 Check for the following: • Air locks • Blocked strainers • Closed valves Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 Return to Hot Water Supply Inlet...
  • Page 61 Check inlet supply temperature Reset DRV80 Turn power off for 10 seconds and restart. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 continued... Return to Hot Water Supply Inlet...
  • Page 62 Early abort of disinfection cycle. • Use of a dump valve to speed up cool down time. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 Return to Hot Water Supply Inlet...
  • Page 63 Turn power off for 10 seconds and restart. If the error persists, check the thermistor connections or replace the thermistors. Blend circuit thermometer Check or replace. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 64 Check for the following: • Air locks • Blocked strainers • Closed valves Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 Return to Hot Water Supply Inlet...
  • Page 65 DRV80 Display Errors on page 56-58. Error PCB If any other error message is displayed see DRV80 Display Errors on page 56 - 58. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 66 If any other error message is displayed see DRV80 Display Errors on page 56 - 58. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 67 Check inlet flow rates are within speci- fied parameters. See Specifications on page 8. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130 Return to Hot Water Supply Inlet...
  • Page 68 Make sure drain plug and seal are fitted and tightened adequately. If problem persists, replace both plug and seal. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 69: Notes

    Notes Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 70 Notes Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 71 Notes Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...

  • Page 72: Limited Warranty And Remedy

    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.

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