Bryant BFIT 1000 Скачать руководство пользователя страница 22 | Manualshive

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22

Figure 7: Sidewall Terminations

i. Maintain minimum clearance of at least

4 ft. (1.2 m) [3 ft. (900 mm)in Canada]

horizontally between vent terminal and

gas meters, electric meters, regulators,

and relief equipment. Do not install vent

terminal above or below this equipment.

j. Do not locate the vent terminal under decks

or similar structures.

VII. Venting (contined)...

Figure 8: Vertical Terminations with Sloped Roof

k. Top of terminal must be at least 24 in. (600

mm) below

ventilated

eves, soffits, and other

overhangs. In no case may the overhang

exceed 48 in. (1200 mm). Where permitted

by the authority having jurisdiction and

local experience, the terminal may be

located closer to unventilated

soffits. The

minimum vertical separation depends

upon the depth of the soffit. See Figure 6

for details.

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Содержание BFIT 1000

Страница 1: ... cause property damage injury or loss of life For assistance or additional information consult a qual ified installer service agency or the gas supplier This boiler re quires a special venting system Read these instructions careful ly before installing INSTALLATION OPERATION AND MAINTENANCE MANUAL Thermal Solutions Products LLC 1175 Manheim Pike Lancaster PA 17601 www thermalsolutions com Phone 71...

Страница 2: ...8 32 A General Guidelines 18 B Field Installation 23 C Polypropylene Venting 25 D Optional Room Air For Combustion 26 E Removing Existing Boiler 28 F Multiple Boiler Installation 30 G Common Venting Requirements 31 H Special Installation Requirements for Massachusetts 30 VIII Condensate Disposal 33 34 A Condensate Trap Installation B Condensate Neutralizer Installation C Common Condensate Pump Sum...

Страница 3: ...nce 56 60 A Inspect Boiler Area 57 B Inspect Boiler Interior 57 C Monthly Inspection 57 D Annual Inspections and Service 57 59 E Restarting After prolong Shutdown 60 XIV Troubleshooting 61 XV Repair Parts 62 APPENDIX A TABLES 63 APPENDIX B FIGURES 64 APPENDIX C DEFAULT LIGHT OFF AND MODULATION RPMs 65 APPENDIX D INLET OUTLET WATER AND FLUE OUTLET TEMPERATURE SENSOR RESISTANCE VOLTAGE CHART 66 APPE...

Страница 4: ...o applicable jurisdictional and professional codes and regulations Indicatesanimminenthazardoussituationwhich ifnotavoided willresultindeath seriousinjuryorsubstantialpropertydamage Indicatesapotentiallyhazardoussituationwhich ifnotavoided could result in death serious injury or substiantial property damage Indicatesapotentiallyhazardoussituationwhich ifnotavoided may result in moderate or minor i...

Страница 5: ...ng attheunionconnection onewrenchtoprevent the boiler gas line crom turning 3 Failure to prevent the gas line from turning could damage gas line components blower and gas valve E Boiler Operation 1 This appliance MUST NOT be installed in any location where gasoline or flammable vapors are likely to be present or in an environment that contain corrosive contaminants see Table 4 2 Do not block or re...

Страница 6: ...nce of such requirements installation must conform to the National Fuel Gas Code NFPA 54 ANSI Z223 1 and or CAN CGA B149 Installation Codes Where required by the authority having jurisdiction the installation mustconformtotheStandardforControlsand Safety Devices for Automatically Fired Boilers ANSI ASME CSD 1 2 Installation start up andmaintenanceofthis equipment can be hazardous and requires trai...

Страница 7: ...oiler Models BFIT 1000 BFIT 1250 BFIT 1500 BFIT 2000 Fuel Natural Gas Natural Gas Natural Gas Natural Gas Max Water Temperature F 1 210 210 210 210 Max Working Pressure psi 160 160 160 160 Standard Safety Relief Valve psi 2 50 50 50 50 Boiler Water Volume gal 10 96 10 96 12 97 16 72 Heat Transfer Area sq ft 91 6 91 6 109 79 142 0 Approx Shipping Weight lb 780 780 1050 1150 1 Boiler will go in hard...

Страница 8: ... 4 K 8 1 2 8 1 2 8 1 2 8 1 2 L 40 1 2 40 1 2 40 1 2 40 1 2 M 44 3 8 44 3 8 44 3 8 44 3 8 N 9 1 4 9 1 4 9 1 4 9 1 4 O 4 7 8 4 7 8 4 7 8 4 7 8 P 13 3 8 13 3 8 13 3 8 13 3 8 Q 6 1 8 6 1 8 8 1 2 8 1 2 R 10 1 8 10 1 8 10 1 8 10 1 8 S 23 1 2 23 1 2 23 1 2 23 1 2 T 32 1 4 32 1 4 32 1 4 32 1 4 Gas Inlet 1 1 1 25 1 25 Supply Pipe Size 3 3 3 3 Return Pipe Size 2 1 2 2 1 2 2 1 2 2 1 2 Air Intake 8 8 8 8 Vent...

Страница 9: ...9 Figure 1 BFIT MODEL 1000 2000 ...

Страница 10: ...ith eight M4 x 10 scews 8 Ignition electrode The ionization electrode provides electrical spark for ignition The ignitor assembly is installed on the burner door with two M4 x 10 torx screws 9 Flame inspection A inch diameter quartz sight glass provides a means of visual inspection of the burner flame condition 10 Thermal fuse If the temperature at the burner door reaches over 320F the thermal fus...

Страница 11: ...e heat exchanger from an over pressure condition Refer to Table 2 for standard factory supplied relief valve sizes and optional sizes for all models 21 Condensate drain trap Servestodischargecondensatefromheatexchangerwhilepreventingfluegasesescapingintocondensate drain line 22 Minimum combustion air proving switch It ensures adequate combustion air is supplied to the combustion chamber for stable...

Страница 12: ...12 IV BFIT Component Identification continued Figure 2 Component Identification ...

Страница 13: ...13 IV BFIT Component Identification continued Figure 3 Component Identification ...

Страница 14: ...e Do not operate this appliance if any part has been underwater The possible damage to a flooded applaince can be extensive and present numerous safety hazards Any appliance that has been underwater must be replaced NOTICE Do not drop bump or lean an object against the boiler in order to avoid damaging the heat exchanger or critical components B Check Equipment 1 Upon receiving the equipment check...

Страница 15: ...stion air see Table 4 In particular avoid areas near chemical products containingchlorines chlorofluorocarbons paint removers cleaning solvents and detergents Avoidareascontainingsawdust looseinsulation fibers dry wall dust etc NOTICE Due to the low water content of the boiler mis sizing of the boiler with regard to the heating system load will result in excessive boiler cycling and accelerated co...

Страница 16: ...quate space for condensate piping or a condensate pump if required Contaminants to Avoid Spray cans containing chlorofluorocarbons CFC s Permanent wave solutions Chlorinated waxes cleaners Chlorine based swimming pool chemicals Calcium chloride used for thawing Sodium chloride used for water softening Refrigerant leaks Paint or varnish removers Hydrochloric acid muriatic acid Cements and glues Ant...

Страница 17: ...ible Material Clearances Combustible Materials Recommended Service Clearance Boiler Model Front In Rear In Right In Left In Top In Vent In Front In Rear In Right In Left In Top In Vent In BFIT 1000 Open 6 6 10 6 6 22 6 24 24 20 18 BFIT 1250 Open 6 6 10 6 6 22 6 24 24 20 18 BFIT 1500 Open 6 6 10 6 6 22 6 24 24 20 18 BFIT 2000 Open 6 6 10 6 6 22 6 24 24 20 18 ...

Страница 18: ...BFITer draft hood or vent dBFITer with this boiler Atmospheric venting is prohibited 2 Requirements a Do not exceed maximum vent combustion air lengths listed in Table 7 Vent and combustionairlengthrestrictionsarebased onequivalentlengthofventandcombustion air pipe total length of straight pipe plus equivalent length of fittings Table 8 lists equivalent lengths for fittings b Do not include vent c...

Страница 19: ...le 8 3 Combustion air and vent terminations do not count towards total equivalent length Boiler Model Combustion Air Length Vent Length Pipe Dia ft Minimum ft Maximum ft Pipe Dia ft Minimum ft Maximum 1 ft BFIT 1000 8 0 100 8 3 100 BFIT 1250 BFIT 1500 BFIT 2000 1 Up to 200 feet maximum when drawing combustion air from inside Applies to all listed vent combustion air system options NOTE Contact fac...

Страница 20: ...20 Figure 6 Location of Vent Terminal Relative to Windows Grades Overhangs Meters and Forced Air Inlets Two Pipe System Vent Terminal shown Two Pipe System Air Intake Terminal Not Shown ...

Страница 21: ...for chase so that one roof penetrattion may be made 3 Vent and Combustion Air Terminals Installventingsystemcomponentsonexterior of building only as specifically required by these instructions see Figure 6 a Use only listed vent combustion air terminals i Horizontal Sidewall Venting Use coupling for vent and 90 elbow pointed down for combustion air as shown in Figure 7 If using room air for combus...

Страница 22: ...eventterminalunderdecks or similar structures VII Venting contined Figure 8 Vertical Terminations with Sloped Roof k Top of terminal must be at least 24 in 600 mm belowventilatedeves soffits andother overhangs In no case may the overhang exceed48in 1200mm Wherepermitted by the authority having jurisdiction and local experience the terminal may be located closer to unventilated soffits The minimum ...

Страница 23: ... means for vent connection C Vent and combustion air intake pipe must be supported to allow uniform flow of combustion air and flue gas 2 System Assembly a Plan venting system to avoid possible contact with plumbing or electrical wires Start at boiler s vent connector and work towards vent termination VII Venting continued b Design the air intake system to allow 3 8 9 5mm of thermal expansion per ...

Страница 24: ...ir piping and allow proper installation of flashing and storm collar to prevent moisturefromenteringthestructure Use appropriately designed vent flash when passing through roofs Follow fashing manufacturers instructions for installation Extend combustion air pipe to maintain minimum vertical and horizonaldistanceof12in 300mm from roof surface VII Venting continued NOTICE Methods of securing and se...

Страница 25: ...the last piece of pipe applying additional siliconeifnecessarytoensureatight seal Allow the silicone to cure per the siliconemanufacturer sinstructions before operating the boiler ii Combustion Air Termination Usea90 elbowdirecteddownward Install a screen in the inlet terminal Use a screen having 1 2 in x 1 2 in 13 mm x 13 mm mesh 5 Vertical Vent Termination a Standard Two Pipe Termination i Vent ...

Страница 26: ...atepoolinganddamageto vent offsets bend cannotexceed45 Multiple offsets are allowed in a chase WARNING Assphysiation Hazard Vent systems made by listed PP vent system manufacturers rely on gaskets for proper sealing When this type of vent system is used take the following precautions Make sure that gasket is in position and undamaged in the female end of the pipe Make sure that both male and femal...

Страница 27: ...m Installation of a polypropylene vent system should adhere to the vent manufacturer s installation instructions supplied with the vent system Figure 10 Flexible Vent in Masonary Chimney with Separate Combustion Air Intake WARNING DO NOT mix vent systems of different types or manufacturers Failure to comply could result in severe personal injury death or substantial property damage Do not insulate...

Страница 28: ...OnePermanentOpeningMethod Provide one permanent opening commencing within 12 in 300 mm of the top of the enclosure E Removing Existing Boiler When an existing boiler is removed from a commonventingsystem thecommonventing system is likely to be too large for proper ventingoftheremainingappliances Atthetime of removal of an existing boiler the following stepsshouldbeperformedwitheachappliance remain...

Страница 29: ...outes les ouvertures non utilisées du système d évacuation 2 Inspecter de façon visuelle le système d évcuation pour déterminer la grosseur et l inclinaison horizontale qui conviennent et s assurer que le système est exempt d obstruction d étranglement de fuite de corrosion et autres défaillances qui pourraient présenter des risques 3 Dans la mesure du possible fermer toutes les portes et les fenê...

Страница 30: ...s well as extending the distance from building surfaces to vent termination end are recommended to avoid frost damage to building surfaces where vent terminations are placed d Individual boiler sidewall vent terminals must be placed at least 12 in 300 mm 18 in 460 mm in Canada above the ground plus the expected snow accumulation e Multipleindividualboilerverticalventpipes maybepipedthroughacommonc...

Страница 31: ...w c to negative 0 1 in w c draft at all times from the minimum to the maximum firing rate measured at the outlet of the boiler iv Amechanicaldraftfanmayberequired tomaintaintherequirednegativedraft v AventdBFITermayberequiredaspart of the engineered system vi It is recommended that a Carbon Monoxide detector be installed and interlocked to the boiler Consult your local jurisdiction for additional ...

Страница 32: ... plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 A final inspe...

Страница 33: ...reas subject to freezing temperatures d Ifthepointofcondensatedisposalisabove the trap a condensate pump is required to move the condensate to the drain Select a condensate pump approved for use with condensingappliance andequippedwith an overflow switch e Do not attempt to substitute another trap for one provided with the boiler f Slope condensate drain pipe at least 1 8 per foot in the direction...

Страница 34: ...w local codes pertaining to condensate disposal 2 A condensate neutralizer kit is available from factory as optional equipment Refer to Table 12 for size specific part number Follow local codes and instructions enclosed with the kit for condensate neutralizer installation 3 Limestone chips will get coated by neutral salts product of chemical reaction between limestone and acidic condensate and los...

Страница 35: ...tays within the defined parameters to prevent overheating when the boiler is fired at it s full rated input Install a flow meter to measure the flow or fire the boiler at full rate and ensure the boiler delta T does not exceed 45F It is required that boiler piping systems utilize Primary Secondary configurations The use of other piping configurations could result in improper building and system fl...

Страница 36: ...ill result in increased fluid density and may require larger circulators 1 Absolute minimum flow rate Figure 14 Boiler Head Loss IX Hydronic Piping continued Table 13 Temperature Rise 0 5 10 15 20 25 40 65 90 115 140 165 Water Pressure lossess ft head Water Flow Rate gal min Boiler Head Loss AMP 1000 1250 AMP 1500 AMP 2000 D Temperature Rise and Heat Exchanger Head Loss 1 The BFIT heat exchanger a...

Страница 37: ...itional safety relief valveforspecificboilermodelrefertoTable 2 b If the safety relief valve is to be replaced the replacement valve must have a relief capacity equal or exceeding the minimum relief valve capacity shown on theheatexchangerASMEplate Also when replacing the safety relief valve verify the temperature and pressure gauge meets ASME requirements for the replacement safety relief valve c...

Страница 38: ...eliminate any water leakage as early as possible Black oxide sludge magnetite Fe2 O4 forms as the result of continuous electrolytic corrosion in any system not protected by an inhibitor Scale deposit is made up of lime scale contained in most distributed water and settles over the warmest surfaces of boiler heat exchanger causing subsequent overheating and eventual failure Refer to Service and Mai...

Страница 39: ...imize oxygen presence in the system allsystemleaksmustberepairedimmediately DO NOT connect the boiler to radiant tubing without an oxygen barrier 3 There are many possible causes of oxygen contamination such as a Addition of excessive make up water as a result of system leak b Absorptionthroughopentanksandfittings c Oxygen permeable materials in the distribution system 4 In order to insure long pr...

Страница 40: ...itors and Recommended Suppliers Producers Fernox Sentinel Sotin ADEY Inhibitors Protector F1 Alphi 11 X100 X500 Sotin 212 MC1 Noise reducer X200 Universal Cleaner Restorer X300 Sludge remover Protector F1 Cleaner F3 X400 Sotin 212 Antifreeze Alphi 11 X500 Tightness Leak Sealer F4 Table 16 Recommended Corrosion Scale Inhibitors Removal Agent Suppliers Treatment Type Preventive Corrective Producer F...

Страница 41: ...41 H Recommended Piping Configurations IX Hydronic Piping continued Figure 16 Primary Secondary Piping with Domestic Hot Water Figure 15 Single Boiler Recommended Primary Secondary Piping ...

Страница 42: ...42 IX Hydronic Piping continued Figure 17 Mulitple Boiler Primary Secondary Piping Figure 18 Multiple Boiler Piping with common Header ...

Страница 43: ...factor be applied For other specificgravity applygravityfactorfromTable 19 Ifexactspecificgravityisnotshownchoose next higher value 6 A sediment trap must be provided upstream of the main gas valve See Figure 19 7 All threaded joints should be coated with piping compound resistant to action of liquefied petroleum gas 8 The appliance and its gas connection must be leak tested before placing it in o...

Страница 44: ...4 360 247 199 170 151 137 126 117 110 104 1 1 049 678 466 374 320 284 257 237 220 207 195 1 1 380 1390 957 768 657 583 528 486 452 424 400 1 1 610 2090 1430 1150 985 873 791 728 677 635 600 2 2 067 4020 2760 2220 1900 1680 1520 1400 1300 1220 1160 2 2 469 6400 4400 3530 3020 2680 2430 2230 2080 1950 1840 3 3 068 11300 7780 6250 5350 4740 4290 3950 3674 3450 3260 Nominal Pipe Size Inc Inside Valves...

Страница 45: ...nt WARNING Failure to properly pipe gas supply to boiler may result in improper operation and damage to the boiler or structure Always assure gas piping is absolutely leak free and of the proper size and type for the connected load An additional gas pressure regulator may be needed Consult gas supplier Failure to use proper thread compound on all gas connectors may result in leaks of flammable gas...

Страница 46: ...w voltage connections is a transformer with old thermostat wiring Label all wires prior to servicing controls Wiring errors can cause improper and dangerous operation A General Install wiring and electrically ground boiler in accordance with authority having jurisdiction or in the absence of such requirements follow the National Electrical Code NFPA 70 and or Canadian Electrical Code Part 1 CSA C2...

Страница 47: ...d 52 The boiler will adjust the target supply water temperature set point downwards as the outdoor air temperature increases a Thesensorshouldbelocatedontheoutside of the structure in an area where it will sense the average air temperature around the building Avoid placing this sensor in areas where it may be covered with ice or snow Locations where the senor will pick updirectradiationfromthesuns...

Страница 48: ...6 24 28 29 27 31 30 23 P2 5 P2 4 P3 1 J4 77 78 76 73 J2 75 74 J1 L1 J5 2 107 108 P3 3 109 110 Ground Screw Terminal P3 11 P1 3 P1 6 P2 1 P2 6 P30 3 Spare Limit 79 80 C C C NO NC NO NC C N A N A N A 1 2 3 1 2 3 Back View E 1 2 P1 P2 LT To Grounding Conductor Boiler must be grounded in accordance with ANSI National Electric Code IMPORTANT The wiring shown for devices supplied and installed by others...

Страница 49: ...onworks PN 106418 01 Tx Rx GND 3 4 5 6 1 1 2 PWR PWR Frame Ground RS485 P28 3 2 RS485 3 RS 485 GND 24Vac J8 1 113 114 P6 4 P5 6 P6 2 P5 7 P5 9 P6 1 P6 3 24Vac J8 2 PCB 06 P5 10 P5 3 P5 4 P26 6 P26 5 P26 10 P26 9 P26 8 P26 2 P26 3 P26 4 P26 1 P26 7 P26 12 P27 1 P27 2 P27 3 4 9 5 61 62 63 55 56 57 58 59 60 A B C A B C 65 66 67 68 69 A B CG A B Cg 64 RJ45 P27 4 P27 5 6 1 Central Heat Enable Disable I...

Страница 50: ... Combustion Air Damper Spare PCB 02 J4 6 J4 7 6 5 2 1 4 3 P31 4 P31 5 System Pump Supplied by others Spare J4 2 J4 3 22 21 18 17 20 19 P31 1 P31 3 Isolation Valve Supplied by others Spare F3 6 3A Slow Blow F2 6 3A Slow Blow Contact A Contact B Contact C N H Power Supply 120 or 24 VAC N H Power Supply 120 or 24 VAC N H F4 6 3A Slow Blow Concert Boiler Control A1167 ...

Страница 51: ...uence pre purge pre ignition and drive light off 2 Refer to the Concert Boiler Control manual to select the desired control mode WARNING Start up of this boiler should be undertaken only by trained and skilled personnel from a qualified service agency Follow these instructions exactly Improper installation adjustment service or maintenance can cause property damage personal injury or loss of life ...

Страница 52: ...52 Figure 24 Operating Instructions XII System Start up continued ...

Страница 53: ...tion screen select Automatic Manual FiringRateControl AutomaticModulation Select HOME to return boiler to Home Screen Boiler Model CO2 O2 CO air free PPM BFIT 1000 8 5 9 0 5 0 6 0 Less than 200 PPM BFIT 1250 8 5 9 0 5 0 6 0 BFIT 1500 8 0 9 0 5 0 6 0 BFIT 2000 8 5 9 0 5 0 6 0 5 Verify O2 or CO2 and CO concentration are within limits specified in Table 24 Note the values in Table 24 are for sea leve...

Страница 54: ...iate settings for the type of system to which this boiler is connected For information on how to adjust central heat refer to Setup and Tuning section of the ConcertTM Boiler Manual E Adjust Thermostats AdjusttheCHandDHWthermostatstotheirfinal set points F Testing of Controls and Safety Devices Prior to placing the boiler in operation the installing contractor or other responsible personnelmustper...

Страница 55: ...e wire of the burner thermal fuse Cycle the boiler Re connect wiring to the burner thermal fuse Reset burner thermal fuse lockout Hard Lockout Burner Thermal Fuse Blocked Condensate Switch Disconnect one wire of the blocked condensate switch Cycle the boiler Re connect wire to the blocked con densate switch Reset the blocked condenate switch lockout Hard Lockout Blocked Conden sate switch Low Wate...

Страница 56: ...irator 2 Long sleeved loose fitting clothing 3 Gloves 4 Eye Protection Take steps to assure adequate ventilation Wash all exposed body area gently with soap and water after contact Wash work clothes separately from other laundry and rinse washing machine after use to avoid contaminating other clothes Discard used RCF components by sealing in an airtight plastic bag RCF and crystalline silica are n...

Страница 57: ...erature and pressure of the boiler A Inspect Boiler Area 1 Keep the area around the boiler free from combustiblematerials gasolineandother flammablevaporsandliquids seeTable4 2 Keep the area around the combustion air inlet terminal free from contaminants 3 Keep the boiler room ventilation orifices open and unobstructed B Boiler Interior 1 Remove front jacket panel and check minimum and blocked ven...

Страница 58: ...cause cancer birth defects and other reproductive harm Always use proper safety clothing respirators and equipment when servicing or working nearby the appliance Failure to follow all instructions in the proper order can cause personal injury or death Read all instructions including all those contained in component manufacturers manuals which are provided with the boiler before installing starting...

Страница 59: ...e to the boiler or other system components Immediately repair any leaks found iv Theunitisequippedwithasliding mechanism shown in Figure 29 Position 1 shows the burner assembly sliding out of the combustionchamber 2 rotateawayfromthe combustion chamber and 3 sliding back to allow full access to the combustion chamber for inspection and service Figure 29 Burner Door v Gentlyblowcompressedairoverthe...

Страница 60: ...60 XII Service and Maintenance continued E Restarting after Prolong Shutdown After prolonged shutdown it is recommended that the System Startup and Service and Maintenance of this manual be performed ...

Страница 61: ...ction in the Concert Boiler Control manual on how to navigate the Limit String Status screen which shows an active safety limit status and for an in depth guide to all the possiblelockoutsaswell asrecommendedcorrective actions for restore boiler operation ...

Страница 62: ...s representatives or outlets Should you require assistance in locating a Thermal Solutions representative or outlet in your area or have questions regarding the availability of Thermal Solutions Products or repair parts please contact Thermal Solutions Customer Service at 717 239 7642 or Fax 877 501 5212 ...

Страница 63: ...pter and Suppliers Section VIII Condensate Disposal Table 11 33 Maximum Condensate Flow Table 12 34 Condensate Neutralizer Kit Section IX Hydronic Piping Table 13 36 Temperature Rise Table 14 36 Increase Flow For Glycol System Table 15 40 Water Hardness Level Table 16 40 Recommended Corrosion Scale Inhibitors Removal Agent Suppliers Table 17 40 Treatment Type Section X Gas Piping Table 18 44 Maxim...

Страница 64: ...igure 11 31 Multiple Boiler Direct Termination Section VIII Condensate Disposal Figure 12 33 Condensate Trap Assembly Section IX Hydronic Piping Figure 13 35 Factory Supplied Manifold Figure 14 36 Boiler Head Loss Figure 15 41 Single Boiler Recommended Primary Secondary Piping Figure 16 41 Primary Secondary Piping with Domestic Hot Water Figure 17 42 Multiple Boiler Primary Secondary Piping Figure...

Страница 65: ... 1500 2000 CH DHW Max Modulation Rate RPM 1 6200 7600 4600 4800 Minimum Modulation Rate RPM 1725 2000 1250 1350 Light off RPM 1 2400 2400 1900 1900 Maximum Light off RPM 2500 2500 2000 2000 Minimum Light off RPM 2300 2300 1800 1800 1 Factory Default RPM NOTE To maintain rate in maximum vent length application contact factory for assistance ...

Страница 66: ...66 APPENDIX D INLET OUTLET WATER AND FLUE OUTLET TEMPERATURE SENSOR RESISTANCE VOLTAGE CHART ...

Страница 67: ...t Feet Combustion Air Duct Flue Vent Diameter in Straight Length eq ft ft 900 Elbow eq ft Bend 450 Elbow eq ft Bend Velocity fpm 6 0 73 7 4 3 70 1070 8 0 16 1 6 0 80 602 10 0 05 0 5 0 25 385 BFIT 1250 Pressure Drop in Equivalent Feet Combustion Air Duct 6 1 14 11 5 71 1340 8 0 25 2 25 1 25 754 10 0 078 0 78 0 40 482 BFIT 1500 Pressure Drop in Equivalent Feet Combustion Air Duct 6 1 67 16 67 8 33 1...

Страница 68: ...68 ...

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