BFit BFITW 1000 Installation, Operation And Maintenance Manual Download Page 69

Page: 69 / 76

APPENDIX C: Default Light-off and Modulation Rates

Parameter

BFIT Model

1000

1250

1500

2000

Max Power MBTU

1000

1250

1500

2000

CH/DHW Max. Modulation Rate (RPM)

6200

7600

4600

4800

Minimum Modulation Rate (RPM)

1725

2000

1250

1350

Light-off (RPM)

2400

1900

Maximum Light-off (RPM)

2500

2000

Minimum Light-off (RPM)

2300

1800

Factory Default RPM

NOTE: To maintain rate in maximum vent length application, contact factory for assistance.

Summary of Contents for BFITW 1000

Page 1: ...liance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach yo...

Page 2: ...ation and Mounting 14 A General 14 B Appliance Mounting 15 C Clearances 16 D Clearances French 16 E Closet and Alcove installation 16 VII Venting 17 A General Venting Guidelines 17 B Venting Design Re...

Page 3: ...7 C Combustion Air Fuel Adjustment 59 D Field Conversion of Gas Type 60 E Pump Control 61 F Check Thermostat Operation 61 G Adjust Supply Water Temperature 61 H Testing of Controls and Safety Devices...

Page 4: ...isdictional and professional codes and regulations I Hazard Definitions Indicatesanimminenthazardoussituationwhich ifnotavoided willresultindeath seriousinjuryorsubstantialpropertydamage Indicatesapot...

Page 5: ...ith received parts D Connecting Gas Supply Line 1 Connect supply gas line to the ground joint union inside the jacket of the appliance 2 Failure to prevent the gas line from turning could damage the g...

Page 6: ...d Propane Code Where required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI ASME CSD 1 2 Insta...

Page 7: ...ndices Table 1 BFIT Water Heater Ratings Table 2 BFIT Water Heater Specifications Specification BFITW Models 1000 1250 1500 2000 Fuel NG or LP NG or LP NG or LP NG or LP Max Water Temp F 1 210 210 210...

Page 8: ...7 8 J 10 3 8 10 3 8 10 3 8 10 3 8 K 8 3 4 8 3 4 6 5 8 8 3 4 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 2 1 8 2 1 8 2 1 8 2 1 8 O 9 3 4 9 3 4 9 3 4 9 3 4 P 13 3 8 13 3 8 13 3 8 13 3...

Page 9: ...t Rating Specifications and Dimensional Data continued G F Z COG X COG L J Z COG Y COG K M SUPPLY NOZZLE RETURN NOZZLE LIFTING LUGS Q T P S R O N 1 CONDENSATE DRAIN AIR SUPPLY VENT DRAIN A D E C I H B...

Page 10: ...del specific water pipe connection sizes 14 Water flow switch In the event of insufficient water flow the appliance will be shut down by the action of the flow switch Refer to Table 24 for minimum and...

Page 11: ...11 IV BFIT Water Heater Component Identification continued Figure 2 Component Identification 1 4 19 16 3 15 12 5 15 6 13 11 21 13 14 20 10 9 8 17 19...

Page 12: ...12 IV BFIT Water Heater Component Identification continued Figure 3 Component Identification 26 25 22 18 2 23 27...

Page 13: ...iance which may show sign of being hit or otherwise mishandled 3 Verify total number of pieces shown on packing slip with those actually received In case there is damage or a shortage immediately noti...

Page 14: ...not be installed in a room under negative pressure An equipment room under negative pressure conditions could deplete the combustion air supply to the appliance and cause leakage of flue gas from the...

Page 15: ...able of holding the weight of the appliance water and aditional components The base shall extend beyond the edges of the appliance by at least 3 inches 76 2 mm in any direction Never install directly...

Page 16: ...ovide a 1 minimum clearance around water pipes 3 Follow vent material manufacturer for vent clearances 4 Clearances for closet or alcove Installation Front 24 Sides 24 Rear 22 Top 20 Table 5 Clearance...

Page 17: ...sulting with approved venting engineers or by using the equivalent length method in this manual 1 Engineered Venting Method Recomended Method Using the operating characteristics and required condition...

Page 18: ...bustion to enter the building resulting in severe property damage personal injury or death Use CPVC vent components within any interior space where air cannot circulate freely including through vertic...

Page 19: ...Minimum Input Rate BFIT Model Vent Dia In Flue Gas Flow ACFM 35 Excess Air 180 0 F Combustion Air SCFM 35 Excess Air 60 0 F Flue Gas Flow ACFM 35 Excess Air 180 0 F Combustion Air SCFM 35 Excess Air 6...

Page 20: ...eter in Style Heat Fab Part Saf T Vent Z Flex Part Z Vent 1000 1250 1500 2000 8 Tee 9890TEE 2SVST08 Elbow 9814TERM 2SVEE0890 Straight 9892 2SVSTPX08 2500 3000 10 Tee 91090TEE 2SVST10 Elbow 91014TERM 2...

Page 21: ...Tee or 45 Elbow Table 13 Table 14 11 Vent Vertical Roof Tee or straight Notes 1 It is recommended to use tees for both intake and vent terminations in extra windy locations 2 All terminations shall ha...

Page 22: ...with vertical roof terminals separate vent pipes may be piped through a common conduit or chase so that one roof penetration may be made Maintain recommended separations of terminations after penetra...

Page 23: ...for appliances 10 000 Btuh 3 kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances 100 000 Btuh 30 kW 6 in 15 cm for appliances 10 000 Btuh 3 kW 9 in 23 cm for appliances 10 000 Btuh 3 kW and 50 000 Bt...

Page 24: ...cm for appliances 10 000 Btuh 3 kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances 100 000 Btuh 30 kW 4 ft 1 2 m below or to side of opening 1 ft 300 mm above opening K Clearance to a mechanical ai...

Page 25: ...d Louvers Gooseneck Flue Gas Vent Terminations Combustion Air Intake Terminations Roof Sidewall Sidewall Roof Notes All terminations should have Bird Rodent Screens Do not use rain caps Rain will drai...

Page 26: ...pipe Exterior run should be included in equivalent vent combustion air lengths Vertical Venting and combustion air roof penetrations where applicable require the use of roof flashing and storm collar...

Page 27: ...r vapor conden sation on building surfaces where vent terminations are placed causing subsequent frost damage To avoid minimize frost damage extend the distance from building surfaces to vent terminat...

Page 28: ...e locate the vent and combustion air terminals for each appliance on the same wall to prevent nuisance shutdowns If not each appliance may be installed with a roof vent terminal and sidewall combustio...

Page 29: ...t have bird rodent screens 3 If Possible Install Sidewall venting on a wall away from prevailing wind 4 For roof terminations install vent terminal downstream of prevailing winds relative to intake te...

Page 30: ...ARNING WARNING Asphyxiation 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...

Page 31: ...ate appliance designed to burn solid fuel Do not insulate polypropylene vent pipes Excessive heat could cause premature vent pipe failure NOTICE NOTICE Pressure drop for flexible polypropylene line is...

Page 32: ...Appliance When an existing appliance is removed from a common venting system the common venting system is likely to be toolargeforproperventingoftheremainingappliances At the time of removal of an ex...

Page 33: ...fication 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...

Page 34: ...pump and neutralizer kit BFIT Model Maximum Condensate Flow Rate GPH 1000 9 00 1250 10 32 1500 12 24 2000 16 10 2500 18 25 3000 21 40 3500 23 10 4000 24 00 Table 19 Maximum Condensate Flow NOTICE NOT...

Page 35: ...allation 3 Limestone chips will get coated by neutral salts product of chemical reaction between limestone and acidic condensate and lose neutralizing effectiveness over time Therefore periodic conden...

Page 36: ...nstall it to the outlet manifold as shown in Figure 12 2 When piping the appliance to the system do not install an elbow closer than 5 pipe diameters from the flow switch 3 When adapting the grooved o...

Page 37: ...y relief valve complying with the standard for relief valves for hot water supply systems ANSI Z21 22 CSA 4 4 installed on the hot water outlet manifold b The safety relief valve must be installed wit...

Page 38: ...m stainless steel tubular double coil having relatively nar row waterways Once filled with water it will be subject to the effects of corrosion Failure to take the following precautions to minimize co...

Page 39: ...ss than 5 ppm and the level of chloride is less than 1000 ppm a The BFIT is not designed for the heating of swimming pool water 6 Before connecting the appliance insure the system is free of impuritie...

Page 40: ...erature rise limit of 55 F Figure 13 Heat exchanger water pressure loss IX Water Piping continued F Temperature Rise and Heat Exchanger Head Loss 1 The BFIT heat exchanger adds pressure drop to the sy...

Page 41: ...hin the recommended range shown in Table 25 iii Water velocities too high may cause erosion within the tubes of the heat exchanger or the primary piping Failure to adjust the flow rate to the specifie...

Page 42: ...ntire loop System Circulator Hot Water Return Factory Supplied Manifold Check Valve Water Heater Circulator Y Strainer Isolation Valve Storage Tank Thermometer Mixing Valve Cold Water Supply Hot Water...

Page 43: ...valve shall not exceed the pressure rating of any components in the system 3 The circulator shall be sized to overcome the pressure drop across the entire loop 5 28 2 P BFIT 1 Heater 1 Tank 2 Tempera...

Page 44: ...the entire loop Hot Water Return System Circulator Cold Water Supply Check Valve Expansion Tank Thermometer Hot Water Supply Storage Tank Mixing Valve Factory Supplied Manifold Water Heater Circulato...

Page 45: ...Valve Factory Supplied Manifold Y Strainer Heater Circulator T P Relief Valve System Circulator Recirculation Filter Mixing Valve Thermal Solutions Prod Notes 1 This is a suggested piping configurati...

Page 46: ...s with Two Tanks Figure 18 Two Water Heaters Two Tanks Required Common Piping Sizes for Multiple Appliances Model Number of Appliances 2 3 4 5 6 1000 5 6 8 8 10 1250 5 6 8 8 10 1500 6 6 8 8 10 2000 6...

Page 47: ...47 This page is intentionally left blank...

Page 48: ...l threaded joints should be coated with piping compoundresistanttoactionofliquefiedpetroleum gas 8 The appliance and its gas connection must be leak tested before placing it in operation 9 To protect...

Page 49: ...3 0 7 1 6 3 5 1 6 3 1 0 824 0 5 22 9 11 4 5 7 1 0 2 1 4 6 2 1 4 1 1 1 049 0 6 29 1 14 6 7 3 1 2 2 6 5 8 2 6 5 2 1 1 38 0 8 38 3 19 1 9 6 1 6 3 5 7 7 3 5 6 9 1 1 61 0 9 44 7 22 4 11 2 1 9 4 0 9 0 4 0...

Page 50: ...eaks of flammable gas Gas supply to appliance and system must be com pletely shut off prior to installing or servicing the gas piping Do not use matches candles or other open flame ignition source to...

Page 51: ...could destroy the micropro cessor control One example of an external power source that could be inadvertently connected to the low voltage connections is a transformer with old thermostat wiring To ob...

Page 52: ...witch location terminals53and54 forthetanksensoras these terminals are used for indirect water heating a Avoid placing the senor near potential sources of electrical noise such as transformers power l...

Page 53: ...J12 P4a 1 R2 R1 PCB 05 39 40 41 42 P2 2 P3 2 96 97 95 J7 99 100 98 102 103 101 91 90 P3 7 A4 J7 5 J5 Spare Limit J8 J9 J10 104 82 81 84 83 86 85 25 26 24 28 29 27 31 30 23 P2 5 P2 4 P3 1 J4 77 78 76 7...

Page 54: ...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 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 Conducto...

Page 55: ...A B Cg 64 RJ45 P27 4 P27 5 6 1 Central Heat Enable Disable Input STAT F2 3A Slow Blow PCB 01 24Vdc Display Power Supply PCB 05 N A P5 5 N A Setpoint or Modulation 4 20mAdc Input Supplied by others J8...

Page 56: ...y 120 or 24 VAC N H F4 6 3A Slow Blow Wiring Legend Wiring Line Types Terminal Types Terminals C Common NC Normally Closed NO Normally Open Factory Wire Harness Line Voltage Factory Wire Harness Low V...

Page 57: ...contact factory or a qualified heating service technician 4 Begin commissioning the appliance Visually inspect flame via sight glass window On high fire the flame should be stable and mostly blue Yel...

Page 58: ...es instructions dans la pr sente notice risque de d clencher un incendie ou une explosion entra nant des dommages des blessures ou la mort A Cet appareil ne comporte pas de veilleuse Il est muni d un...

Page 59: ...as d If high fire O2 is too high CO2 is too low decrease O2 increase CO2 by turning the throttle screw towards the Plus sign in 1 4 turn increments and checking the O2 or CO2 after each adjustment Ref...

Page 60: ...SI Z223 1 NFPA 54 and or Natural Gas and Propane Installation Code CAN CSA B149 1 or the requirements of the authority having jurisdiction 2 Adjust the throttle screw towards negative all the way to t...

Page 61: ...ct wire to the blocked condensate switch Reset the blocked condensate switch lockout Hard Lockout Blocked Condensate switch Low Water Cutoff While the appliance is running push and hold the LWCO test...

Page 62: ...l Safety and Health NIOSH approved respirator 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...

Page 63: ...ries CAUTION CAUTION Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing A General M...

Page 64: ...r with any control device WARNING WARNING This appliance contains components that become very hot when the operating Do not touch any components unless they are cool This appliance contains materials...

Page 65: ...insulation to remove lint and debris Replace burner if the surface shows any signs of damage due to improper handling or gas valve combustion settings f Do not use acid or alkali products or metallic...

Page 66: ...e filter if it appears damaged or deteriorated c Reinstall air filter and intake pipe 8 Insulations and gaskets a Visually inspect the following gaskets flue outlet blower burner and burner door D Res...

Page 67: ...15 Recommended Venting Configurations and Material Options 21 Table 16 Direct Vent Terminal Clearances 23 Table 17 Other than Direct Vent Terminal Clearances 24 Table 18 Table of Acceptable Terminati...

Page 68: ...Condensate Disposal 34 Figure 11 Condensate Trap Assembly 34 IX Water Piping 36 Figure 12 Hot Water Outlet Manifold 36 Figure 13 Heat exchanger water pressure loss 40 X Water Piping Diagrams 42 Figur...

Page 69: ...H 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...

Page 70: ...when pressure rises above the setpoint Each gas train has one high gas pressure switch 5 Low Gas Pressure Switches a The low gas pressure switches monitor the supply gas pressure and shut off the ele...

Page 71: ...71 APPENDIX D continued Gas Selection Switch High Gas Pressure Switch Low Gas Pressure Switch Gas Valves Low Gas Pressure Switch High Gas Pressure Switch LP Propane Connection Natural Gas Connection...

Page 72: ...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 S T 1 N 105 106 P3 4 N A PCB 02 A B 1 1...

Page 73: ...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 105 106 P3 4 N A A B 1 1 1 NO C 93 94 Transformer 120 24Va...

Page 74: ...74 Notes...

Page 75: ...ove are extended only to the original owner at the original place of installation within the United States and Canada These warranties are applicable only to water heaters parts or accessories designa...

Page 76: ...Bryan Steam LLC Peru IN 46970 Phone 765 473 6651 Inquiry bryansteam com www bryanboilers com...

Search results

Summary of Contents for BFITW 1000

Reviews:

Related manuals for BFITW 1000

Brands by name

Popular brands

BFit BFITW 1000, Installation, Operation And Maintenance Manual

Search results

Summary of Contents for BFITW 1000

Reviews:

Related manuals for BFITW 1000

Brands by name

Popular brands