Steam/Water Shell & Tube Heat Exchanger - Armstrong International

52 Pages·2013·5.06 MB·English

IOM-785-C
Digital-FloTM
Digital Instantaneous
Steam/Water Shell & Tube Heat Exchanger
Product Manual
This Water Heater has been supplied for this application based upon information provided to Armstrong
at the time the order was accepted.
This Digital Instantaneous Steam/Water Shell & Tube Heat Exchanger has been designed, fabricated
and configured specifically for this installation and, as such, there may be customized components
which are not specifically addressed within this document.
Supplemental Product Manual’s and Installation and Maintenance Guides specific to the peripheral
components supplied on/with Digital Instantaneous Steam/Water Shell & Tube Heat Exchanger
are available online at: http://www.armstronginternational.com or by calling Armstrong Toll Free at
1-888-HOT-HOSE.
Model Number ________________________________
Serial Number_________________________________
Ship Date_____________________________________
Customer Support:
Armstrong Hot Water Group
Phone: [phone]
Fax: [phone]
E-mail: [email protected]
armstronginternational.com
Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
The Digital-Flo Steam/Water Shell & Tube Heat Exchanger assembly covered by this IOM features installation,
commissioning, operation and general maintenance detail.
Each Digital-Flo Steam/Water Shell & Tube Heat Exchanger is serialized and the serial number is maintained on
file in the Technical Department at Armstrong.
For any installation, operational or maintenance detail not covered in this Product Manual please call Armstrong
Toll Free at 1-888-HOT HOSE and reference this serial number.
Supplemental Product Manual’s and Installation and Maintenance Guides specific to the peripheral components
supplied on/with Digital-Flo Steam/Water Shell & Tube Heat Exchangers are available online at: http://www.
armstronginternational.com
Customer Support:
Armstrong Hot Water Group
Phone: [phone]
Fax: [phone]
e-mail: [email protected]
armstronginternational.com
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Table of Contents
Safety Warnings ..................................................................................................................................................5
Installation Details Form (IDF) .............................................................................................................................9
Installation Schematic........................................................................................................................................14
Operating Specifications....................................................................................................................................10
Standard Materials of Construction ..............................................................................................................10-11
Standard Dimensions and Weights ..................................................................................................................7-8
Installation ..................................................................................................................................................12-13
Commissioning .............................................................................................................................................14-29
Operation .......................................................................................................................................................35
Maintenance - Heat Exchanger .........................................................................................................................36
Maintenance - DRV80 ..................................................................................................................................37-44
Component Identification Guide ........................................................................................................................48
Spare Parts - DRV80 Only ................................................................................................................................44
Troubleshoot Guide ......................................................................................................................................45-46
Warranty Information .........................................................................................................................................50
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
Digital Controller
Outlet Temperature to
Self diagnostics. Digital valve
system +/- 2°F/1°C
ASSE 1017 CSA B125 and CE runs internal component
certified check and reports out of
specification performance on
display
4-20mA Connection Port
Integral relay for auxiliary
connection (alarm, solenoid)
Hot water shutoff upon
power failure
Port to port travel in 2.6
seconds
Serial data port for BAS Module
(BrainScan™) connectivity.
Transmits/receives all field
LED Display
programmable and LED display
features
Indicates
Set point °C or °F
Operating Temp °C or °F
IRDA Port for PC programming
Field programmable
316L Stainless steel construction
Set point
High temperature alert
Battery back-up for
High temperature hot water shutoff
emergency shutdown
Thermal disinfection
and default setting
retention
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
Safety Warnings
Digital-Flo Steam/Water Shell & Tube Heat Exchangers are precision engineered and crafted with pride to deliver
years of superior performance and customer satisfaction provided:
1. They are installed, commissioned, operated and maintained in accordance with the recommendations
provided in this Product Guide and generally accepted plumbing, pipe-fitting and general maintenance
guidelines.
2. Periodic attention is given, as necessary, to maintain the product, the accessory fittings & components and
the overall plumbing/distribution system is operated in good functional order.
General Safety
1. This product is designed and constructed to withstand the forces encountered during normal use.
2. Use of the product for any purpose other than its intended use could cause damage to the product and may
cause an injury or fatality.
3. Installation or maintenance must be carried out in accordance with the instructions provided in this product
manual by designated, qualified and competent personnel.
4. A licensed electrician familiar with local code requirements should be engaged to perform all electrical work.
5. A licensed plumber or pipe fitter familiar with local code requirements should be engaged to perform
installation and should be on hand to oversee commissioning.
6. When installing, commissioning or servicing this product:
• Always ensure that all primary steam and condensate return lines and secondary water lines are isolated.
• Ensure any residual internal pressure in the system or connecting pipe work is carefully relieved.
• Always allow hot parts to cool before commencing work, to avoid the risk of burns.
• Always wear appropriate safety clothing before carrying out any installation or maintenance work.
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
Digital Shell & Tube
Water Side Steam Side
Connections @ 7.5 ft/sec Flow @ 7.5 ft/sec
Connections
Model Part Number (2.3 m/s) (2.3 m/s)
Capacity @ 15 psi (1 bar)
Capacity @ 90°F (50°C) Delta T Condensate
Hot/Cold Recirc. Steam Inlet
Typical @120°F (49°C) Setpoint Outlet
D535 D21983 1.5” (40 mm) 1” (25 mm) 41.3 gpm (9.4 m3/hr) 2.5” (63.5 mm) 1” (25 mm) 1,967 lb/hr (893 kg/hr)
D535P D21981 2” (50 mm) 1” (25 mm) 73.4 gpm (16.7 m3/hr) 2.5” (63.5 mm) 1” (25 mm) 3,495 lb/hr (1,585 kg/hr)
D665 D21979 2” (50 mm) 2” (50 mm) 73.4 gpm (16.7 m3/hr) 3” (80 mm) 1.25” (32 mm) 3,495 lb/hr (1,585 kg/hr)
D665P D21722 3” (80 mm) 2” (50 mm) 165.2 gpm (37.5 m3/hr) 3” (80 mm) 1.25” (32 mm) 7,867 lb/hr (3,568 kg/hr)
D8120 D21977 3” (80 mm) 2” (50 mm) 165.2 gpm (37.5 m3/hr) 4” (102 mm) 2” (50 mm) 7,867 lb/hr (3,568 kg/hr)
D8120P D21640 3” (80 mm) 2” (50 mm) 165.2 gpm (37.5 m3/hr) 4” (102 mm) 2” (50 mm) 7,867 lb/hr (3,568 kg/hr)
Digital Shell & Tube Double Wall
Water Side Steam Side
Connections @ 7.5 ft/sec Flow @ 7.5 ft/sec
Connections
Model Part Number (2.3 m/s) (2.3 m/s)
Capacity @ 15 psi (1 bar)
Capacity @ 90°F (50°C) Delta T Condensate
Hot/Cold Recirc. Steam Inlet
Typical @120°F (49°C) Setpoint Outlet
D535DW D21984 1.5” (40 mm) 1” (25 mm) 41.3 gpm (9.4 m3/hr) 2.5” (63.5 mm) 1” (25 mm) 1,967 lb/hr (893 kg/hr)
D535DWP D21982 2” (50 mm) 1” (25 mm) 73.4 gpm (16.7 m3/hr) 2.5” (63.5 mm) 1” (25 mm) 3,495 lb/hr (1,585 kg/hr)
D665DW D21980 2” (50 mm) 2” (50 mm) 73.4 gpm (16.7 m3/hr) 3” (80 mm) 1.25” (32 mm) 3,495 lb/hr (1,585 kg/hr)
D665DWP D22000 3” (80 mm) 2” (50 mm) 165.2 gpm (37.5 m3/hr) 3” (80 mm) 1.25” (32 mm) 7,867 lb/hr (3,568 kg/hr)
D8120DW D21978 3” (80 mm) 2” (50 mm) 165.2 gpm (37.5 m3/hr) 4” (102 mm) 2” (50 mm) 7,867 lb/hr (3,568 kg/hr)
D8120DWP D21975 3” (80 mm) 2” (50 mm) 165.2 gpm (37.5 m3/hr) 4” (102 mm) 2” (50 mm) 7,867 lb/hr (3,568 kg/hr)
Maximum Allowable Steam Pressure = 15.0 psi (1 bar), Maximum Allowable Water Pressure = 150 psi (10 bar), Maximum Allowable Setpoint = 158°F (70°C)
*Consult factory for pressure drop information.
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
Dimensions and Weight
Dimensions
Model in (mm) Weight
A B C D E
D535 20.0 (508) 34.0 (864) 45.0 (1143) 66.9 (1699) 81.0 (2057) 804 lbs (365 kgs)
D535DW 20.0 (508) 46.5 (1181 45.0 (1143) 76.5 (1944) 82.0 (2083) 1080 lbs (490 kgs)
D535P 20.0 (508) 67.0 (1702) 45.0 (1143) 66.9 (1699) 85.6 (2174) 1234 lbs (560 kgs)
D535DWP 20.0 (508) 67.0 (1702) 45.0 (1143) 76.6 (1944) 87.6 (2224) 1317 lbs (597 kgs)
D665 30.0 (762) 34.0 (864) 57.0 (1448) 79.9 (2030) 103.3 (2624) 1094 lbs (496 kgs)
D665DW 30.0 (762) 34.0 (864) 57.0 (1448) 88.7 (2252) 99.6 (2530) 1373 lbs (623 kgs)
D665P 30.0 (762) 64.0 (1626) 57.0 (1448) 79.9 (2030) 110.5 (2806) 1835 lbs (832 kgs)
D665DWP 30.0 (762) 64.0 (1626) 57.0 (1448) 88.7 (2252) 104.1 (2645) 1892 lbs (858 kgs)
D8120 34.0 (864) 34.0 (864) 57.0 (1448) 83.0 (2108) 132.6 (3368) 1507 lbs (684 kgs)
D8120DW 34.0 (864) 34.0 (864) 57.0 (1448) 77.3 (1963) 132.6 (3368) 1550 lbs (703 kgs)
D8120P 34.0 (864) 58.0 (1473) 57.0 (1448) 83.0 (2108) 123.4 (3135) 3011 lbs (1366 kgs)
D8120DWP 34.0 (864) 58.0 (1473) 57.0 (1448) 80.2 (2035) 129.2 (3281) 3050 lbs (1383 kgs)
Standard Components
• Thermometers • Check Valves
• DRV80 Digital Recirculating Valve • Inlet Strainer(s)
• Steam Trap • Isolation Valves
• Automatic Hot Water Safety Shut Off Valve • Air Vent
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
H
Shell & Tube Heat Exchanger Dimensions and Weights
Dimensions
Model Weight
A B C D E F L 1 2 3
in 67-1/4 5-9/16 4-1/2 4 7-7/8 6-3/4 62 1-1/2 NPT 1 NPT 2-1/2 NPT lb 169
D535
mm 1,708 141 114 102 200 171 1,575 40 25 65 kg 77
in 80-1/4 6-5/8 5-1/2 4-3/4 9-1/4 6-7/8 74 2 NPT 1-1/4 NPT 3 NPT lb 239
D665
mm 2,038 168 140 121 235 175 1,880 25 32 80 kg 108
in 83-1/2 8-5/8 8-7/8 6-1/8 9-1/2 7-7/8 74 3 NPT 2 NPT 4 150# ANSI lb 440
D8120
mm 2,121 219 225 156 241 200 1,880 80 25 100 kg 200
Shell & Tube Heat Exchanger Double Wall Dimensions and Weights
Dimensions
Model Weight
A B C D E F H 1 2 3
in 70-3/4 5-9/16 4-1/2 4 11-1/2 7.5 75 1-1/2 NPT 1 NPT 2-1/2 NPT lb 204
D535 DW
mm 1949 141 114 102 292 191 1905 40 25 65 kg 192
in 88-3/4 6-5/8 5-1/2 4-3/4 11-3/4 7-1/8 87 2 NPT 1-1/4 NPT 3 NPT lb 325
D665 DW
mm 2254 168 140 121 298 181 2210 25 32 80 kg 147
in 77-3/4 8-5/8 8-7/8 6-1/8 12-5/8 8-3/8 75 3 NPT 2 NPT 4 150# ANSI lb 520
D8120 DW
mm 1975 219 225 156 321 213 1905 80 25 100 kg 236
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
Digital-Flo Installation Details Form (IDF)
We are unable to enter purchase orders into the system or guarantee delivery dates without a technically accurate and fully
completed IDF.
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. Indicates that AHWG supports you by endorsing the application
3. Initiates the warranty
4. Delivers a complete, AHWG supported performance guarantee to the final user of the product
5. Drives the relevant point of specification/influence, point of installation and point of order financial allocation if appropriate
Section 1, Ordering Processing/Tracking Detail:
Point of Order (Sold To): ____________________________________________________________________________
(eg: ABC Mechanical)
City: _______________________ State: _______________________ Rep Firm: _______________________
Point of Installation:___________________________________________________________________________________
(eg: Mercy Hospital)
City: _______________________ State: _______________________ Rep Firm: _______________________
Point of Specification: ______________________________________________________________________________
(eg: DEF Consulting Engineers)
City: _______________________ State: _______________________ Rep Firm: _______________________
Other Influence: ____________________________________________________________________________
(eg: point of installation recommended product to point of specifiation)
Section 2, Product Technical Detail:
1. Cold Water Temperature (EWT): ________°F
2. DRV80 Set Point: ________°F
3. Steam Pressure Available: ________PSIG Pre-piped PRV Station required: Y _____ N _____
4. Incoming Water Pressure: ________PSIG
5. Maximum Simultaneous Demand: ________GPM
6. Pump Size in GPM: ________GPM
PACKAGE REFERENCE INFORMATION
Reference Drawing # ___________________ Package Model # ___________________
(Drawing Included With Quotation If Provided)
List any non standard variations: _________________________________________________________
__________________________________________________________________________________________
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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Digital-FloTM Steam/Water Shell & Tube Heat Exchanger
Operating Specifications - Digital-Flo
Operating Specifications
Steam Supply Pressure 2-15 psig (.14-1 bar)
Water Supply Pressure 20-150 PSI (1.4-10 bar)
Minimum Inlet Supply Water Temperature 34°F (1°C)
Set Point Range (DRV80) 81-158°F (27-70°C)
Minimum System Recirculation Flow 10 GPM (38 LPM)
Minimum System Draw Off 0 GPM
Minimum Distance to First Outlet 50 ft (15 m)
Minimum Recirculation Loop Temperature Loss 2°F (1°C)
Supply Fuse/Circuit Breaker (DRV80) 3 amp
Protection Rating (DRV80) IPX4
Signal Cable Fittings (DRV80) 3/8” Light Tight Conduit Fitting
Battery (DRV80) 2 x CR - P2 6V
Power Supply (DRV80) 120/240 V AC
50-60 Hz
Power Supply - Safety Solenoid 120 V AC
Materials of Construction - Digital-Flo - Single Wall
Component Material - Standard Material Option(s)
Heat Exchanger Shell Carbon Steel ASTM - SA - 106B Stainless Steel
ASME “U” stamped
Heat Exchanger Tube Bundle 5/8”16BWG Admiralty Brass Stainless Steel
Heat Exchanger Tube Sheets Brass Stainless Steel
Heat Exchanger Tube Bundle End Cap Brass Stainless Steel
Integral Supply Pipe Work Brass Carbon Steel, Stainless Steel
Integral Valves and Fittings Brass/Bronze Carbon Steel, Stainless Steel
Condensate/Steam Piping Cast Iron/Carbon Steel Stainless Steel
PRV Station (option) SG Iron/Carbon Steel N/A
Low Surface Temperature SG Iron/Carbon Steel N/A
Assembly (Modulating Steam)
DRV80 316L Stainless Steel N/A
Armstrong has technical support personnel available from 8:00 a.m. to 5:00 p.m. EST. Call Toll Free 1-888-468-4673.
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