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Armstrong Brain DRV80 Manual
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Armstrong 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 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 Preventative Maintenance and Fitting Spare Parts............37 DRV80 Disassembly ........38 Electronics Module ......... 39 PCB Connections ..........42 DRV ..............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 3 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 type 1 controller valve for use as part of a warm water recirculation system within a commercial installation.
  • Page 4 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 • Consult the dealer or an experienced radio/TV technician for help Any modifications made to this device that are not approved by Armstrong may void the authority granted to the user by the FCC to operate this equipment. Industry Canada...
  • Page 6 S.I. 2021/904 The REACH etc. (Amendment) Regulations 2021 (Plus, subsequent amendments) S.I. 2013/3113 - The Waste Electrical and Electronic Equipment Regulations 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 *2x CR - P2 6V Batteries (not supplied with product) See Technical Specifications on page 10 for more details. 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 DRV80 Dimensions 172 mm 55 mm AF Hex 144 mm 1-1/2 BSP Internal 268 mm 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 9 67 mm 240 mm 50 mm 140 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 10 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 11 (DMC), SAGE (BS) ® INSTALLATION DETAILS FORM (IDF) The review and acceptance of the information on the IDF by Armstrong: 1. Approves the order for processing which triggers an 4. Delivers a complete, AHWG supported performance e-mail confirmation guarantee to the final user of the product 2.
  • Page 12 The Brain® DRV80 NE DOIT être installée que dans ces conditions. Ces dimensions de l’espace sont recommandées pour des besoins de maintenance. 200 mm 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 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 14 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 15 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 16 Swing Check Valve* Outlets *Orientated for piping schematic detail only. Must be installed in horizontal plane. 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 17 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 18 SAGE 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 19 The supply cord of this control can be replaced only by the manufacturer or his accredited service agent. 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 20 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 21 Note: The “SAGE® by Armstrong” mobile app is available free to download from the Apple App Store and Google Play Store. 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 Installation Detail Form (IDF). Amend the other default settings as required and tap on ‘Save’ to update new settings. 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 The DRV80 setpoint is also displayed for reference. 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 Tap on the Save button to transfer the new settings 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 25 Oblige le DRV80 à redémarrer. Cette opération va éventuellement aboutir à la libération d’une eau très chaude. Cette fonctionnalité peut servir à corriger certains cas d’erreurs. 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 The Units of temperature measurement can be changed to °F / °C as required. Paired users to the DRV80 can be managed as required. 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 Tap the ‘Exit’ on the top right to disconnect the current DRV80 connection. Tap the red ‘X’ to delete the connection. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 28 Failure to complete a sufficient cool down of the blend circuit may result an Error Temp shut down to full cold. 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 In the event of failing to cool the DRV80, an automatic cool down period of 5 minutes will take effect. SHUT DOWN TO FULL COLD Max. ALERT Above Setpoint Setpoint Setpoint Default Below Setpoint Min. ALERT Cold Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 30 EMERGENCY STOP! - Tap Abort* at any time to stop the cycle. ARRÊT D’URGENCE! - Appuyer sur le bouton Annuler* à tout moment pour interrompre le cycle. 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 ON and 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 32 Change Disinfection Timeout to new value. Tap Save. For all further disinfection cycles, use Quick Start Guide - 2. 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 étapes présentées dans le Guide de démarrage rapide - 1 pour garantir un cycle de désinfection fiable pour le système. 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 Outlet temperature is higher than 18˚F above the setpoint. Temp Low 100˚F This condition causes a relay to be activated. (if it is Setpoint 120˚F configured). Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 35 See Options screen on page 25 for details on how to switch DRV80 for either SAGE BS®, Modbus or BACNet. SAGE BS® 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.
  • Page 36 DRV80 can be programmed to issue suitable alerts and / or system hot water shutoffs (DRV80) and shutdowns (Independent Solenoid Valve). 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 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 38 Clips if (Voir page de couverture arrière pour plus replacing amples renseignements.) electronics module Step 5 Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 39 Front Cover D77504 Thermistor Loom D98156 Y-Strap D202947 Bluetooth Module D51817 D77504 D51818 D202947 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 40 Handle it carefully 2 x CR - P2 6V to prevent any damage. 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 41 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 42 Remote Thermistors Relay Power Relay Supply Fuse Fuse * See separate guide - www.armstronginternational.com/wp-content/uploads/IOM_SAGEBS_503_EN_20180102.pdf **See separate guide - www.armstronginternational.com/wp-content/uploads/IOM_GuidetotheBrainNetworking_776_GL_ EN_20230116.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 43 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 44 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 45 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 46 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 47 3mm HEX Step 9 Cartridge will fall when loose. La cartouche va tomber une fois détachée. 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 Only use silicone based lubricants on rubber seals. N’utiliser que des lubrifiants faits à base de silicone sur des joints en caoutchouc. 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 49 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 50 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 51 Calibrate HotEnd Valve Reset... Armstrong 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 continued...
  • Page 52 “Cannot read the LCD display” ............. 64 “High pitched noise from DRV80” ............65 “Water leaking from DRV80” ..............66 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 Electronics Module see pages 38 - 42. 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 54 Electronics Module 3. P/N - D51821 Magnetic Rotor 4. P/N - D45786 Stepper Motor see pages 38 - 46. 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 PCB and / or LCD. P/N - D45781 LCD, or P/N - D57396 See pages 38 - 42. 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 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 57 Check for the following: • Air locks • Blocked strainers • Closed valves Return to Hot Armstrong International Water Supply Inlet 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 58 Check inlet supply temperature Reset DRV80 Turn power off for 10 seconds and restart. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA continued... Return to Hot Water Supply Inlet Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 59 Early abort of disinfection cycle. • Use of a dump valve to speed up cool down time. Return to Hot Armstrong International Water Supply Inlet 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 60 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 61 Check for the following: • Air locks • Blocked strainers • Closed valves Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Return to Hot Water Supply Inlet Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 62 DRV80 Display Errors on page 53 - 56. Error PCB If any other error message is displayed see DRV80 Display Errors on page 53 - 56. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 63 If issue persists, replace Temp. 48 ˚F Setpoint 49 ˚F Bluetooth Module, PCB. Temp. 48 ˚F Setpoint 49 ˚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 64 If any other error message is displayed see DRV80 Display Errors on page 53 - 56. Armstrong International 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 65 Check inlet flow rates are within specified parameters. See Technical Specifications on page 10. Return to Hot Armstrong International Water Supply Inlet 221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130...
  • Page 66 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 67 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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