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Designs, materials, weights and performance ratings

are approximate and subject to change without notice.

Visit

armstrong

international.com for up-to-date information.

Armstrong

International

221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Tel. (269) 279-3602 Fax. (269) 279-3130

Page 14 of 44

Installation – continued

An electrical schematic for a Digital-Flo

®

control system when equipped with two DRV mixing valves, and two HW shutoff

valves appears in Figure 3 below.

Figure 3: Electrical Schematic for a Digital-Flo

®

with Two DRV’s

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Содержание Digital-Flo DF41540

Страница 1: ...785 E EN Digital Flo Steam to Water Shell and Tube Water Heater Installation Operation Maintenance Manual Please read and save these instructions...

Страница 2: ...mstronginternational com for up to date information Contents Safety 1 General Description 2 Specifications 3 4 Specification Matrix 3 4 Materials of Construction 4 Connection Detail 5 Dimensions 6 7 P...

Страница 3: ...property It may also result in personal injury or in extreme cases death 3 Installation or maintenance must be carried out in accordance with the instructions provided in this product manual by desig...

Страница 4: ...a Modbus RTU In the presence of other protocols Modbus BACnet and LonWorks SAGE can provide seamless monitoring measuring and reporting directly to office PC s or mobile apps Digital Flo is engineered...

Страница 5: ...Distance to First Outlet 25 ft 7 62 m Minimum Recirculation Loop Temperature Loss 2 F 1 C Control Circuit Fuse 3 A 5A w SAGE Enclosure Protection Rating DRV NEMA 3S Signal Cable Fittings DRV 3 8 liqui...

Страница 6: ...0 BS DF 535 DW P 40 40 BS DF 665 DW P 50 50 BS DF 8120 DW P 80 80 BS Example of Single Wall Tube Bundle with SAGE DF415P40 40BS Example of Double Wall Tube Bundle without SAGE DF415DWP40 40 Specificat...

Страница 7: ...86 kg hr DF535DW40 1 1 2 1 41 GPM 2 1 2 NPT 1 NPT 1 954 lb hr 886 kg hr DF535P50 2 1 1 2 73 GPM 2 1 2 NPT 1 NPT 3 479 lb hr 1 578 kg hr DF535DWP50 2 1 1 2 73 GPM 2 1 2 NPT 1 NPT 3 479 lb hr 1 578 kg h...

Страница 8: ...40BS 20 0 508 52 0 1 321 26 4 670 66 9 1 698 66 9 1 698 45 0 1 143 829 DF535P50 20 0 508 76 7 1 948 27 1 687 66 9 1 698 66 9 1 698 45 0 1 143 1 234 DF535P50BS 20 0 508 76 7 1 948 27 1 687 66 9 1 698 6...

Страница 9: ...321 26 4 670 76 5 1 944 89 6 2 277 45 0 1 143 1 105 DF535DWP50 20 0 508 76 7 1 948 27 1 687 76 5 1 944 98 1 2 492 45 0 1 143 1 317 DF535DWP50BS 20 0 508 76 7 1 948 27 1 687 76 5 1 944 98 1 2 492 45 0...

Страница 10: ...he requirements of all applicable local and regional equipment installation codes supersede the installation instructions in this manual Governing codes must be followed In the absence of these codes...

Страница 11: ...g The base or foundation material should be able to withstand without significant degradation occasional exposure to moisture and wetting Support all steam and water piping connecting to the heater fr...

Страница 12: ...ry drain in a manner that allows all water to completely flow from the line Standard cracking pressure for the factory supplied pressure relief valve is 165 PSI Notes The DRV is designed for continuou...

Страница 13: ...steam pressure could exceed the minimum water pressure in the tubes or 2 The maximum steam pressure could exceed 150 psig the maximum steam pressure rating of the shell IMPORTANT Steam supply pipe si...

Страница 14: ...lectrical The Digital Flo water heater requires external electrical power to operate the DRV and the hot water safety shutoff valve A licensed electrician or electrical contractor should run electrica...

Страница 15: ...nternational 221 Armstrong Blvd Three Rivers Michigan 49093 USA Tel 269 279 3602 Fax 269 279 3130 An electrical schematic for a Digital Flo control system when equipped with a single DRV mixing valve...

Страница 16: ...n Armstrong International 221 Armstrong Blvd Three Rivers Michigan 49093 USA Tel 269 279 3602 Fax 269 279 3130 Page 14 of 44 Installation continued An electrical schematic for a Digital Flo control sy...

Страница 17: ...ings are approximate and subject to change without notice Visit armstronginternational com for up to date information Installation continued An electrical schematic for a Digital Flo control system wh...

Страница 18: ...e OPEN position 6 Turn the manual selector switch to the OFF position 7 The display of the DRV should deactivate and the safety shutoff valve should power closed Confirm that the safety shutoff valve...

Страница 19: ...ing system Verify that adequate water volume and pressure is supplied to the Digital Flo BEFORE introducing steam into the heat exchanger Only designated qualified and competent personnel shall conduc...

Страница 20: ...fixtures time to evacuate air from the system 10 Shut off all open fixtures and confirm presence of continuous recirculation 11 Monitor DRV outlet and confirm it is maintaining set point a New system...

Страница 21: ...only actuate the valve to the closed position the valve will not actuate to the open position in the presence of battery power only The system will return to normal when power is restored In the event...

Страница 22: ...nd excessive corrosion Tighten joints or replace parts as required Quarterly Wipe down assembly Check for damaged components Touch up paint as required As required Descale system frequency depends on...

Страница 23: ...e heat exchanger for inspection and manual cleaning Gentle mechanical cleaning or pressure washing may be effective in removing deposits from the tube bundle Soaking the tube bundle in a chemical clea...

Страница 24: ...plug from the DF hot water outlet CIP connection and replace it with the close pipe nipple supplied on union end of the CIP hose l Connect the CIP hose from the pump discharge outlet to the close pip...

Страница 25: ...Unused product can be flushed with water into a sanitary sewer Used solution may be hazardous as a result of the pre existing contaminants present in the equipment being cleaned Dispose of material in...

Страница 26: ...isit armstronginternational com for up to date information Armstrong International 221 Armstrong Blvd Three Rivers Michigan 49093 USA Tel 269 279 3602 Fax 269 279 3130 Page 24 of 44 Preventive Mainten...

Страница 27: ...cause a second degree burn Prior to performing any invasive procedure close the steam inlet following lockout tagout procedures and allow the heat exchanger to cool Always close steam inlet before clo...

Страница 28: ...anger DRV fault DRV Troubleshoot Guides See DRV Troubleshooting Guide in the following section Heat exchanger fault a Vent trapped air gases from heat exchanger shell b Clean scaled or fouled heat exc...

Страница 29: ...ainers then remove and thoroughly clean all strainer screens e Confirm return temperature is at least 2 F below DRV set point f Check the steam pressure at the heat exchanger shell If the steam pressu...

Страница 30: ...essure is decreasing under normal conditions there may be insufficient steam available to meet the hot water demands DRV fault See DRV Troubleshooting Guide in the following section No display on DRV...

Страница 31: ...reventing the spool travel Is the valve PCB operational and ok Is the motor operational i e is it able to turn drive gears Is the valve PSU operational and ok Reset the valve by powering down then pow...

Страница 32: ...hermistors operational and ok Is the valve PCB operational and ok Is the valve PCB operational and ok Is the valve PSU operational and ok Issue addressed or Contact Factory 269 279 3602 Reset the valv...

Страница 33: ...nt Are all cables wires connectors ok Is the display numerals characters ok Is the valve PCB operational and ok Issue addressed or Contact Factory 269 279 3602 Is the valve PSU operational and ok Rese...

Страница 34: ...p rating ensure is capable and running at min of 10gpm if not increase pump size Equalize pressures Check Yes Yes No No No No No Yes Yes Yes Does the recirculation pump run continuously without an Aqu...

Страница 35: ...d Are there strainers in the system if so are they clean Is the valve installed piped according to installation instructions Are the checkvalves installed holding correctly Is the valve installed in a...

Страница 36: ...62DW ST D60702 DF8120DW or 862DW ST D60703 Single or Double Wall Part Number DF415 or 442ST D32594 DF535 or 552ST D32595 DF665 or 662ST D33790 DF8120 or 862ST D33791 Single or Double Wall Part Number...

Страница 37: ...sit armstronginternational com for up to date information Armstrong International 221 Armstrong Blvd Three Rivers Michigan 49093 USA Tel 269 279 3602 Fax 269 279 3130 Page 35 of 44 Digital Flo Gasket...

Страница 38: ...n Part Number Battery CR P2 6 Volt D9022 DRV40 DRV40 O Ring Seal Kit D45792 DRV50 DRV80 DRV50 DRV80 O Ring Seal Kit D51825 DRV40 50 80 USB to DRV RS485 Programming Cable D48023 Size Description Part N...

Страница 39: ...ELE ACT 1 NPT BRZ LF D40163 1 5 BALL VALVE ELE ACT 1 5 NPT BRZ LF D40164 2 BALL VALVE ELE ACT 2 NPT BRZ LF D40165 3 BTFL VALVE ELE ACT 3 LUG E501S D40168 Size Actuator Only Part No 1 ACTUATOR ELEC VB0...

Страница 40: ...mstrong Blvd Three Rivers Michigan 49093 USA Tel 269 279 3602 Fax 269 279 3130 Page 38 of 44 Digital Flo Spare Parts continued Size Description Part Number 25 NPT Pressure Gauge 0 200 PSI D20932 Item...

Страница 41: ...Description Part Number 6 Thermometer 5 NPT x 6 D8746 6 Thermowell 5 FNPT X 3 4 MNPT X 6 SS D36848 9 Thermometer 5 NPT X 9 D44955 9 Thermowell 75 NPT X 9 SS D44903 Size Description Part Number 1 5 NPT...

Страница 42: ...on Armstrong International 221 Armstrong Blvd Three Rivers Michigan 49093 USA Tel 269 279 3602 Fax 269 279 3130 Page 40 of 44 812PC 75NPT 1 4 C5318 38 813PC 1NPT 3 8 C5318 43 GATE VALVE 75NPT D8921 GA...

Страница 43: ...221 Armstrong Blvd Three Rivers Michigan 49093 USA Tel 269 279 3602 Fax 269 279 3130 Page 41 of 44 VACUUM BREAKER D8958 VACUUM BREAKER D8958 STRAINER CA1SC 2NPT 045 1 2 C4426 2 GATE VALVE 1 25NPT D370...

Страница 44: ...ontract negligence strict liability or any other basis or theory is limited to Armstrong s repair or replacement of the part or product excluding any labor or any other cost to remove or install said...

Страница 45: ...Notes...

Страница 46: ...al com 785 E EN Printed in U S A 4 17 2019 2018 Armstrong International Inc Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstrongintern...

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