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The installation and service must be performed by a qualified installer.
For further information, please call our technical department at +32 4240 9090.
Armstrong International
Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium
armstronginternational.com/brain
The Brain
DRV80
Digital Recirculation Valve
®
1
Keep this manual with installation
for future reference.
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Table of Contents
Related Manuals for Armstrong The Brain DRV80R
Summary of Contents for Armstrong The Brain DRV80R
- Page 1 The installation and service must be performed by a qualified installer. For further information, please call our technical department at +32 4240 9090. Armstrong International Keep this manual with installation Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium for future reference.
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Page 2: Table Of Contents
Disinfection Step by Step - 2 ...... 37 Options ............. 38 DRV80 Display Alerts .......... 39 DRV80 Error Messages ........39 Connectivity ............40 System Performance ........... 41 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
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
Electronics Module). *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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 6: Drv80 Dimensions
DRV80 Dimensions 8" (202 mm) 4" (102 mm) 5-11/16" 3” NPT (144 mm) Internal 10-9/16" (268 mm) 6’ 9" (3m approx) power cable length Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - 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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 8: Specifications
The Brain® DRV80 conforms to the CE marking requirements. 2004/108/EC EMC Directive 2006/95/EC Low Voltage Directive 2011/65/EU RoHS Directive EN 61326-1 EN 61000-3-2 EN 61000-3-3 EN 61010-1 EN 50581 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
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
50 mm 50 mm The Brain DRV80 MUST ONLY ® be installed in this orientation. These clearance dimensions are recommended for maintenance purposes. 150 mm 200 mm Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 12: Piping Diagrams
Thermometer Isolation Valve Swing Check Valve* Mixed Flow *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Outlets Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 13 Thermometer Isolation Valve Swing Check Valve* Mixed Flow *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Outlets Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 14 Wafer Style Spring Outlets Check Valve Swing Check Valve* *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 15 Wafer Style Spring Check Valve Swing Check Valve* Outlets *Orientated for piping schematic detail only. Must be installed in horizontal plane. Outlets Items are installer supplied Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 16: Installation Drv80
BrainScan® or an error relay. If these are required but have not been prefitted, contact Armstrong for further advice. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium... - Page 17 DRV80 and identified to its purpose. Power Cable Commission the DRV80 and recirculation system using the following instructions... Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 18: Commissioning
Make sure the hot and cold inlet supplies are at their designated pressures and temperatures. Close all the mixed water outlets and turn on the circulating pump. 4mm HEX Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 19 Installation Detail Form (IDF). Rada DRV80 Temp. 48˚C Setpoint 49˚C Temp. 48˚C Current Outlet Temperature Setpoint 49˚C Current Setpoint Display as seen during normal operating mode Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 21: Control Software
1. A Microsoft Windows based Laptop / PC Computer with The Brain® DRV Programming Software and a USB Cable. 2. A Web Browser via the integral serial port and BrainScan® supplied by Armstrong.* 3. A Building Automation System (BAS). * This option is detailed in a separate Installation, Operation and Maintenance (IOM) Guide for BrainScan®. -
Page 22: Com Port
Locate the DRV80 by selecting the correct COM Port. The COM Port can be confirmed using the Device Manager utility within the Microsoft Windows OS. Note! Make sure the USB Driver has been installed. Example of Microsoft Windows XP Device Manager Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 23 Valve Control - Alters the DRV80’s state ON / OFF. This is required when making specific adjustments to the DRV80’s settings (detailed further in these instructions).. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 24: Drv Information
These data fields are read only and can only be changed by updating the DRV80 internal software (only to be performed by a qualified service engineer). Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 25: 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 42˚C Setpoint 43˚C Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 26: Setpoints
Click the preferred Valve Units (°F or °C). Switch Valve Control to OFF. Click Set to transfer the value to the DRV80. Switch Valve Control back ON. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 27 Switch Valve Control to OFF. Click Set to transfer the values to the DRV80. Click Refresh to force display and confirm the updated values. Switch Valve Control back ON. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 28: Setpoints - Explained
Max. (maximum) value or less than the Min. (minimum) value. Example 1 Temp 42˚C Setpoint 43˚C normal operation Temp 42˚C Setpoint 39˚C reset after power failure (to change back to 43°C use Adjusted Setpoint) Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 29: Alerts - Explained
The Alert and the Error Temp activation can be relayed to a Building Automation System (BAS), a Local Area Network (LAN) or can be accessed online via the integrated Modbus and BrainScan® connection port if connected and programmed accordingly. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 30 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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium...
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Page 31: Preset Display Alerts
Preset Display Alerts The DRV80 is supplied preprogrammed to the customers requirements specified on the Installation Detail Form (IDF). In addition, Armstrong has preset two DRV80 display alerts: Level 1 - Alert preset: 2°C Above Setpoint DRV80 will display Temp High preset: 2°C Below Setpoint DRV80 will display Temp Low... -
Page 32: 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 29 - 31). Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium... - Page 33 The Disinfection Timeout can be set up to a maximum of 1800 minutes (30 hours). Max. ALERT Above Setpoint Setpoint Setpoint Default Below Setpoint Min. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain ALERT Cold...
- Page 34 (There is a 10 second countdown before full hot is supplied to the blend circuit. The display on the DRV80 changes to confirm the disinfection cycle is active.) Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium...
- Page 35 Error Temp. 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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium...
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Page 36: Disinfection Step By Step - 1
Change Disinfection Timeout to new value. Click Set. Click Refresh to confirm. Click On under Valve Control. For all further disinfection cycles, use Step by Step - 2. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 37: Disinfection Step By Step - 2
Any alteration to the plumbing system that may affect the blend circuit may, as a consequence, also affect the Disinfection Timeout period. Repeat all of Step by Step -1 to maintain a reliable disinfection cycle for the system. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 38: Options
Gear Drive Assembly (see Preventative Maintenance and Fitting Spare Parts for further details) Do not use Calibration Set for any other reason. If in doubt contact Armstrong for further advice. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium... -
Page 39: Drv80 Display Alerts
(if the Activate Relay Setpoint 49˚C on Alert box is checked - see page 29) DRV80 Error Messages See Troubleshooting... Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 40: Connectivity
See Options screen on page 38 for details on how to switch DRV80 for either BrainScan® or Modbus. BrainScan® (not available in Europe) BrainScan® 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 41: System Performance
DRV80 can be programmed to issue suitable alerts and / or system hot water shutoffs (DRV80) and shutdowns (Independent Solenoid Valve). Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium... -
Page 42: Preventative Maintenance And Fitting Spare Parts
DRV80 components should be inspected annually, or more frequently where acknowledged site conditions such as high mineral content water dictate. 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 43: Drv80 Disassembly
Limited 4mm HEX Warranty. (See back page for full details.) Step 3 Step 4 Note! Retain Clips if replacing electronics module Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 44: Electronics Module
Electronics Module DRV80 Electronics Module Spare Parts D57395 Electronics Module D57396 D45781 D51819 Front Cover D77504 Thermistor Loom D57395 D77504 D51818 D51819 D45781 D51819 D51819 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 45 Note! Retain batteries if replacing electronics module Only remove if seal is to be renewed 2 x CR - P2 6V Step 3 Step 4 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 46 Step 5 Note! Remove 8 pin plug, unscrew lock nut and withdraw Thermistor Loom Step 6 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 47: Pcb Connections
DB9 / RS485 Power Supply (high voltage) DRV80 Thermistors 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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 48: Drv
D45791 Drain Plug D51825 Seal Pack D51826 Screw Pack D51826 D51825 D51826 D51825 D51822 D51825 D51823 D51822 D51825 D51824 D45786 D51825 D68927 D45791 D51826 D51820 D51821 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 49 Step 1 Step 2 2.5mm HEX 3mm HEX Step 3 Step 4 13mm HEX Seals shown 1:1 when printed at Full Scale Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 50 Step 5 Step 6 3mm HEX Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 51 Step 7 Step 7a Step 7b 3mm HEX Step 7c Seals shown 1:1 when printed at Full Scale Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 52 Step 8 Use one of the 3mm Hex screws to assist in removing the cartridge. 3mm HEX Step 9 Cartridge will fall when loose. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 53 Step 10 D45792 Cartridge Seal Pack (Cartridge not included) Only use silicone based lubricants on rubber seals. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain continued...
- Page 54 Seals shown 1:1 when printed at Full Scale Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 55 Step 12 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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 56 Turn power on to the reassembled DRV80 and connect to a Laptop / PC device. Run the The Brain® DRV Programming Software and go to the Options screen. Click Off under Valve Control. Click Calibration Set. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain continued...
- Page 57 Click Yes to proceed with the calibration. Monitor the DRV80 display. Calibrate HotEnd Valve Reset... Rada DRV80 Temp. 48˚C Setpoint 49˚C Wait for the DRV80 to reset. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 58: Troubleshooting
“No display” ....................68 “No display or no control” ..............68 “Cannot read the LCD display” .............69 “High pitched noise from DRV80” ............70 “Water leaking from DRV80” ..............71 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 59: Drv80 Display Errors
P/N - D57396 PCB, or Error Reset P/N - D57395 Electronics Module see pages 43-46. Temp 49˚C Error Reset Temp 49˚C Error Reset Temp 49˚C Error Reset Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... - Page 60 • Batteries are at minimal power or flat Replace batteries (see Preventative Maintenance and Fitting Spare Parts on page 42. Do not use Armstrong International rechargeable batteries) Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
- Page 61 PCB (see page 47). If problem persists, replace PCB and / or LCD. P/N - D45781 LCD, or P/N - D57396 See pages 43-46 Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain...
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Page 62: Common Faults
Water pressure Make sure supply pressures are balanced. Make sure mixed return is flowing correctly to hot water supply inlet. Return to Hot Water Supply Inlet Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 63: Outlet Temperature Fluctuates More Than ± 2°C
Water pressure Make sure supply pressures are balanced. Check for the following: • Air locks • Blocked strainers • Closed valves Return to Hot Water Supply Inlet Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 64: Lcd Display Shows Any Of The Following
Check water supplies are connected to the correct inlet ports. Check inlet supply temperature Reset DRV80 Turn power off for 10 seconds and restart. Armstrong International Return to Hot Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium Water Supply Inlet armstronginternational.com/brain... -
Page 65: Disinfection Timeout Period
Cool Down start and finish times. • Early abort of disinfection cycle. • Use of a dump valve to speed up cool down time. Return to Hot Water Supply Inlet Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 66: Constant Difference Between Blend Circuit Temperature Reading And Drv80 Temperature Display
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 Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 67: Unable To Adjust Outlet Temperature
Make sure mixed return is flowing correctly to water heater. Check for the following: • Air locks • Blocked strainers • Closed valves Return to Hot Water Supply Inlet Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 68: No Display
Temp 49˚C DRV80 Display Errors on pages 59-61. Error PCB If any other error message is displayed see DRV80 Display Errors on pages 59-61. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 69: Cannot Read The Lcd Display
Brightness Setting High Voltage supply exposed when cover is removed If any other error message is displayed see DRV80 Display Errors on page 59 - 61. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 70: High Pitched Noise From Drv80
Blocked strainers • Closed isolator valves • Check inlet flow rates are within speci- fied parameters. See Specifications on page 8. Return to Hot Armstrong International Water Supply Inlet Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
Page 71: Water Leaking From Drv80
Check drain plug and seal for wear and / or damage. Make sure drain plug and seal are fitted and tightened adequately. If problem persists, replace both plug and seal. Armstrong International Parc Industriel Des Hants-Sarts, 2ème Avenue No. 4, Haerstal, B-4040, Belgium armstronginternational.com/brain... -
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.