Brute MagnaTech BMGH1600 Installation And Operation Instructions Manual Download Page 34

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Page 30

RADFORD

HITE

CA0099

VARI-PRIME PRINTED CIRCUIT BOARD KIT

KM004400

AUTO-RESET HIGH LIMIT CONTROL

E2339800

TOUCH SCREEN

ALARM SILENCE SWITCH

MANUAL RESET HIGH LIMIT

ALARM BELL (optional)

LOW WATER CUT-OFF

BAS GATEWAY (optional)

E2346100

KM004300

A0014300

Terminal block for field connections

A0014300

E0086800

30N7050

QTY

PART NO.

DESCRIPTION

ITEM NO.

PARTS LIST

Figure 14. Electronics Panel Layout

CA0099

VARI-PRIME PRINTED CIRCUIT BOARD KIT

KM004400

AUTO-RESET HIGH LIMIT CONTROL

E2339800

TOUCH SCREEN

ALARM SILENCE SWITCH

MANUAL RESET HIGH LIMIT

ALARM BELL (optional)

LOW WATER CUT-OFF

BAS GATEWAY (optional)

E2346100

KM004300

A0014300

Terminal block for field connections

A0014300

E0086800

30N7050

QTY

PART NO.

DESCRIPTION

ITEM NO.

PARTS LIST

8.4 Control Panel Layout

VARIABLE SPEED PUMP CONTROL PCB KIT

Summary of Contents for MagnaTech BMGH1600

Page 1: ...warranty AVERTISSEMENT Assurez vous de bien suivres les instructions données dans cette notice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel toute blessure ou la mort Ne pas entreposer ni utiliser d essence ou ni d autres vapeurs ou liquides inflammables dans le à proximité de cet appareil ou de tout autre appareil QUE FAIRE SI VOUS SENTEZ UNE ODE...

Page 2: ...husetts 14 3 4 Common Vent Test 15 3 5 Outdoor Installation 16 Section 4 GAS SUPPLY AND PIPING 4 0 Gas Supply and Piping 16 Section 5 WATER FLOW REQUIREMENTS 5 1 MagnaTech Boiler Flow and Head Requirements 18 5 2 MagnaTech Water Heater Flow and Head Requirements 18 Table of Contents i Section 6 WATER CONNECTIONS BMGH 6 1 BMGH System Piping Hot Supply Connections 19 6 2 BMGH Cold Water Make Up 19 6...

Page 3: ...STRUCTIONS 10 1 Filling the Boiler System 68 10 2 Initial Operation 69 10 2 1 Initial Burner Operation 69 10 2 2 Combustion Setup Procedure 69 10 3 Shutting Down the MagnaTech 69 10 4 Restarting the MagnaTech 69 Section 11 MAINTENANCE 11 1 System Maintenance 70 11 2 Maintenance Notes 70 11 2 1 Burner 70 11 2 2 Modulating Gas Valve Venturi 70 11 2 3 Controller 71 11 2 4 Hot Surface Ignitor 71 11 2 ...

Page 4: ...BRADFORD WHITE ...

Page 5: ... Improper configuration can cause fuel buildup and explosion Improper user operation may result in property loss severe physical injury or death Any changes to safety related configuration parameters must only be done by experienced and or licensed burner boiler operators and mechanics If any odor of gas is detected or if the gas burner does not appear to be functioning in a normal manner close th...

Page 6: ... MGV 14 Revision 1 First Not CSA approved Altitude Gas input rating of the MagnaTech shall be used for elevations up to 2000 ft 600 m The input rating at elevations above 2000 ft 600 m shall be reduced at a rate of 4 percent for each 1000 ft 300 m above sea level before selecting the equipment size WARNING Electrical Shock Hazard Electrical shock can cause severe injury death or property damage Di...

Page 7: ...Unit Air Intake and Filter Water Outlet Water Inlet Vent Power Pack Perspective from opposite corner Perspective from front left corner of unit Shown with front doors and left side panels removed Condensate Trap 1 5 Unit Overviews The next 3 pages give a visual reference to the basic component locations of the Bradford White MagnaTech ...

Page 8: ...Page 4 BRADFORD WHITE Manual gas valve Blower Touch Screen Models 2500 and 3000 Air Intake and Filter Water Outlet Water Inlet Vent Power Pack Condensate Trap Heat Exchanger Condensing Unit ...

Page 9: ...RS AND VOLUME WATER HEATERS Models 3500 and 4000 Manual gas valve hidden behind main gas valve Blower Touch Screen Air Intake and Filter Water Outlet Water Inlet Vent Power Pack Condensate Trap Heat Exchanger Condensing Unit ...

Page 10: ... 21 67 4 1 2500 30 8 78 87 221 41 5 105 60 5 154 60 8 154 6 5 16 71 180 4 10 9 8 25 76 4 1 3000 30 8 78 87 221 41 5 105 60 5 154 60 8 154 6 5 16 71 180 4 10 8 9 23 76 8 1 3500 34 5 88 97 246 52 133 70 178 60 8 154 6 4 16 80 8 205 28 8 73 26 5 67 85 6 2 4000 34 5 88 97 246 52 133 70 178 60 8 154 6 4 16 80 8 205 28 8 73 26 5 67 85 6 2 F G H J K L M N P Q R S T Inches cm Inches cm 4 8 12 60 8 154 2 6...

Page 11: ... terminal terminate through a wall and there is potential for snow accumulation in the local area both terminals should be installed at an appropriate level above grade or the maximum expected snow line The dimensions and requirements that are shown in Table 1 should be met when choosing the locations for the appliance 2 2 Correct Vent Distance from Outside Wall or Roof Termination 1 7 Unpacking T...

Page 12: ...mmon requirements specify that the space shall communicate with the outdoors in accordance with Method 1 or 2 See the following descriptions Where ducts are used they shall Table 3 Ducted Air Accessories Place in section 3 1 Model 1600 Model 2000 Model 2500 Model 3000 Model 3500 Model 4000 Screen for horizontal galvanized air pipe D2012104 D2012101 D2012101 D2012102 D2012103 D2012103 Screen for ho...

Page 13: ... pipe for the combustion air intake See Table 4 The intake must be sized per Table 2 Route the intake to the boiler as directly as possible Seal all joints Provide adequate hangers The unit must not support the weight of the combustion air intake pipe The maximum equivalent pipe length allowed is 100 feet 30 m Each elbow is considered to be 5 feet 1 5m When using polypropylene or stainless steel m...

Page 14: ...t Accessories Place in section 3 1 Model 1600 Model 2000 Model 2500 Model 3000 Model 3500 Model 4000 Screen for horizontal galvanized air pipe D2012104 D2012101 D2012101 D2012102 D2012103 D2012103 Screen for horizontal PVC air pipe CA012004 CA012001 CA012001 CA012002 CA012003 CA012003 Screen for horizontal polypropylene air pipe CA012204 CA012201 CA012201 CA012202 CA012203 CA012203 Screen for vert...

Page 15: ...C 230 F and D Up to and including 135 C 275 F Flue Gas Sampling Port It is also the responsibility of the installer to ensure that a flue gas sampling port is installed in the vent system This flue gas sampling port must be installed near the flue connection of the MagnaTech within 2 feet of the flue connection There is no flue gas sampling port internal to the MagnaTech so one must be installed i...

Page 16: ...ator vent outlet See note 4 3 feet 91 cm J Clearance to nonmechanical air supply Direct vent only 36 91cm inlet to building or the combustion air inlet Other than Direct vent 4 ft 1 2m below 36 inches 91 cm to any other appliance or to side of opening 1 ft 30 cm above opening K Clearance to a mechanical air supply inlet 3 feet 91 cm above if within 10 feet 3 m 6 feet 1 83 m horizontally L Clearanc...

Page 17: ...The National Fuel Gas Code requires that it be at least 84 213 12 Figure 4 Minimum Venting Distance IMPORTANT All terminals must be placed so that they remain at least 12 above the expected snow line Local codes may have more specific requirements and must be consulted Refer to the NFPA54 National Fuel Gas Code and your local codes for all required clearances for venting 84 Figure 5 Multiple Side ...

Page 18: ...m below the vent terminal 3 3 5 Installations in the Commonwealth of Massachusetts In Massachusetts the following items are required if the side wall exhaust vent termination is less than seven 7 feet above finished grade in the area of the venting including but not limited to decks and porches From Massachusetts Rules and regulations 248 CMR 5 08 1 Installation of Carbon Monoxide Detectors At the...

Page 19: ...system placed in operation while the other appliances remaining connected to the common venting system are not in operation 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch and determine there is no blockage or restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 Insofar as is p...

Page 20: ...ance will function properly without the use of high altitude modification at elevations up to 10 000 feet 3050 m 2 The maximum inlet gas pressure must not exceed 13 W C 3 2kPa The minimum inlet gas pressure is 4 W C 1 0kPa 3 Table 8 and Table 9 offer some gas pipe sizing information Refer to the applicable gas code for more detailed sizing information 4 Run gas supply line in accordance with all a...

Page 21: ...n Cubic Feet of Gas per Hour Table 8 Pipe Capacity for Natural Gas Table 9 Pipe Capacity for Propane Nominal 1 2 2 3 4 Actual ID 1 61 2 067 2 469 3 068 4 026 Length ft 10 3 520 6 790 10 800 19 100 39 000 20 2 420 4 660 7 430 13 100 26 800 30 1 940 3 750 5 970 10 600 21 500 40 1 660 3 210 5 110 9 030 18 400 50 1 480 2 840 4 530 8 000 16 300 60 1 340 2 570 4 100 7 250 14 800 80 1 230 2 370 3 770 6 6...

Page 22: ... 10 2000 20 12 177 670 43 9 13 4 10 2500 25 14 220 833 46 14 10 3000 25 14 220 833 46 14 10 3500 30 17 266 1006 41 2 12 6 10 4000 30 17 266 1006 41 2 12 6 10 40 F Model Model 30 F Temperature Rise in F 25 F 35 F Water Flow Requirements for water heater submittal Model Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss GPM F Ft LPM C m GPM F Ft 1600 152 20 31 0 5...

Page 23: ...st be increased to maintain a 20 F to 25 F temperature rise through the boiler Section 6 WATER CONNECTIONS BMGH BOILERS 6 1 BMGH System Piping Hot Supply Connections Note This appliance must be installed in a closed pressure system with a minimum of 12 psi 82 7 kPa static pressure at the boiler The hot water piping should be supported by suitable hangers or floor stands Do not support the piping w...

Page 24: ... until the outlet sensor detects greater than 50 F 6 4 BMGH Suggested Piping Schematics Figure 7 through Figure 10 show suggested piping configurations for BMGH boilers These diagrams are only meant as guides All components or piping required by local code must be installed 6 5 Condensate Drain Trap A condensate drain trap is included with the MagnaTech and is designed to drain the boiler of conde...

Page 25: ...ater feed controls Air vent 4 pipe dia max 4 pipe dia max 4 pipe dia max 4 pipe dia max Low temp radiant zone Space heating zone circuits Space heating zone circuit System pump Note This drawing is a schematic representation of a piping style and is not intended to be used as a working installation drawing Local code requirements must be met ...

Page 26: ...r Low temp radiant zone Low temp radiant zone Air vent Water feed controls Expansion tank 4 pipe dia max Indirect DHW tank Anti scald mixing valve Domestic hot water out Cold water Note This drawing is a schematic representation of a piping style and is not intended to be used as a working installation drawing Local code requirements must be met ...

Page 27: ...ts Low temp radiant zone Space heating zone circuit Air vent Water feed controls Expansion tank Common piping must be sized for the combined water flow of all of the boilers 4 pipe dia max 4 pipe dia max 4 pipe dia max Note This drawing is a schematic representation of a piping style and is not intended to be used as a working installation drawing Local code requirements must be met ...

Page 28: ...ers High temp space heating zone circuit 4 pipe dia max 4 pipe dia max 4 pipe dia max Indirect DHW tank Note Indirect pump must be sized for boiler and indirect Anti scald mixing valve Domestic hot water out Cold water Note In this piping arrangement the boiler pump must turn off during DHW operation Note This drawing is a schematic representation of a piping style and is not intended to be used a...

Page 29: ...pectancy of the product Operating the BMGV in water with higher hardness levels will cause heat exchanger fouling erosion or corrosion leading to premature component failure reduced efficiency heat exchanger failure or system failure Failure of this type will not be warranted If the water in use exceeds the conditions recommended water softeners or other devices should be installed to improve wate...

Page 30: ...re needed or required by code 7 5 BMGV Freeze Protection If installing outdoors in a location that may experience freezing temperatures precautions must be taken to prevent water in the heat exchanger and condensate inside and outside of the boiler from freezing Damage due to freezing water or condensate is not covered by the warranty If installed indoors and there is an event NOTES 1 Locate the B...

Page 31: ...between the drain connection and a floor drain or condensate pump if a floor drain is not accessible The condensate drain must be installed to prevent the accumulation of condensate When a condensate pump is not used the tubing must continuously slope downward toward the drain with no spiraling Consult local codes for the disposal method Caution Condensate is mildly acidic pH 5 and may harm some f...

Page 32: ... phase wires WARNING The appliance must be electrically grounded in accordance with the requirements of the authority having jurisdiction or in the absence of such requirements with the latest edition of the National Electrical Code ANSI NFPA 70 in the U S and with the latest edition of CSA C22 1 Canadian Electrical Code Part 1 in Canada Do not rely on the gas or water piping to ground the metal p...

Page 33: ...guration menu will allow the installer to adjust Pump control Overrun time and Demand control for the various pumps in the system Caution The supply voltage to the MagnaTech must not be disengaged except for service or isolation or unless otherwise instructed by procedures outlined in this manual To signal a call for heat use the correct terminals as instructed in Section 8 Table 13 Electrical Dat...

Page 34: ...R CUT OFF BAS GATEWAY optional 7 1 E2346100 6 1 KM004300 5 1 A0014300 4 Terminal block for field connections A0014300 3 1 E0086800 2 1 30N7050 1 QTY PART NO DESCRIPTION ITEM NO PARTS LIST 5 2 7 Figure 14 Electronics Panel Layout 1 CA0099 2 KM004400 1 E2339800 1 E2346100 1 KM004300 1 A0014300 A0014300 1 E0086800 1 30N7050 QTY PART NO 5 2 4 6 8 1 9 7 3 8 4 Control Panel Layout VARIABLE SPEED PUMP CO...

Page 35: ...Page 31 MagnaTech BOILERS AND VOLUME WATER HEATERS ...

Page 36: ...SPLAY 7 DISPLAY 8 LWCO 2 120V N P1 P2 ADDITIONAL HIGH LIMIT BLOCKED FLUE BLOCKED INTAKE THERMAL CUTOUT FLOW SWITCH HIGH GAS MANUAL RESET HIGH LIMIT TO TB1 4C 120V N TO B4 PROBE 2 1 9 2 10 3 11 4 12 5 13 6 14 7 15 PILOT VALVE MAIN VALVE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 7 9 10 LWCO BK G W G W R W W 12 POS CO...

Page 37: ... OR W W BK W V W BK BR Y BR Y G W BK BK BK R BK Y W R W R W R GY BL BR R BR Y GY V GY BK R GY R FLAME ROD BK OR 2 1 3 4 TB1 39C TB1 40C TB1 42C TB1 43C TB1 45C TB1 44C J3 Y W BR BK BR R BK BR G BK O BR V BK V TB1 36C TB1 37C TB1 38C NOTE DASHED LINES DENOTE VARIPRIME PUMP 1 CONTROLS VARIPRIME INSTALLED ON HYDRONIC UNITS ONLY BL BL W W BK BL BL V V R R BL BL Y Y BL Y 1 2 3 4 5 BLOWER CONTROL CONNEC...

Page 38: ... VALVE PILOT VALVE SPARK GENERATOR 15 7 14 6 13 5 12 4 11 3 10 2 9 1 2 TO B4 PROBE TO TB1 4C 120V N MANUAL RESET HIGH LIMIT HIGH GAS FLOW SWITCH THERMAL CUTOUT BLOCKED FLUE BLOCKED INTAKE ADDITIONAL HIGH LIMIT P1 P2 LWCO 2 120V N DISPLAY 8 DISPLAY 7 4 Y W W R W R BL BR W V BK G BK Y W BK BL BR BL W BR Y OR W OR BL Y TO LWCO PROBE AT HX FROM LWCO PROBE TO PROBE 3 8 2 1 TOD G BK W 5 BR R BL Y BR G B...

Page 39: ...NTROLS VARIPRIME INSTALLED ON HYDRONIC UNITS ONLY USED ON SIZE 4 0 KBTU ONLY 2 TB1 38C TB1 37C TB1 36C BK V BR V BK O BR G BK BR R BK BR W Y J3 TB1 44C TB1 45C TB1 43C TB1 42C TB1 40C TB1 39C 4 3 1 2 BK OR FLAME ROD GY R R GY BK GY V BR Y BR R GY BL W R W R W R BK Y BK R BK BK W G BR Y BR Y W BK W V W BK OR W OR V V W BL Y BL DRAIN WIRE FROM SHIELDED CABLE INLET TEMP OUTLET TEMP BL W BL W R W G W ...

Page 40: ...AINED HEREIN ARE PROPRIETARY TO LAARS HEATING SYSTEMS AND SHALL NOT BE REPRODUCED TRANSFERRED TO OTHER DOCUMENTS USED OR DISCLOSED TO OTHERS FOR MANUFACTURING OR ANY OTHER PURPOSE EXCEPT AS SPECIFICALLY AUTHORIZED IN WRITING BY LAARS HEATING SYSTEMS SCALE NONE INTENDED SIZE SOFTWARE DWG NO C SHEET 1 OF 1 REV APPROVALS DRAFT ENGR APPR UNLESS OTHERWISE SPECIFIED DO NOT SCALE DRAWING THIRD ANGLE PROJ...

Page 41: ...IOLET V GRAY GY WHITE W PROPRIETARY TO LAARS HEATING SYSTEMS AND SHALL NOT BE REPRODUCED TRANSFERRED TO OTHER DOCUMENTS USED OR DISCLOSED TO OTHERS FOR MANUFACTURING OR ANY OTHER PURPOSE EXCEPT AS SPECIFICALLY AUTHORIZED IN WRITING BY LAARS HEATING SYSTEMS FMA56A SCALE NONE INTENDED SIZE SOFTWARE DWG NO C SHEET 1 OF 3 APPROVALS DRAFT ENGR APPR UNLESS OTHERWISE SPECIFIED DO NOT SCALE DRAWING THIRD ...

Page 42: ...Y LAARS HEATING SYSTEMS E23602 SH 1 DWG NO REV AL 2 4 14 REVISIONS REV CHANGE APPR ENGR APPR ECN DRAFT CHECK RELEASED JM 2 4 14 14 002N 13 APPROVALS UNLESS OTHERWISE SPECIFIED PURPOSE EXCEPT AS SPECIFICALLY AUTHORIZED IN WRITING DISCLOSED TO OTHERS FOR MANUFACTURING OR ANY OTHER DIMENSIONS ARE IN INCHES TOLERANCES ARE MATERIAL DO NOT SCALE DRAWING THIRD ANGLE PROJECTION 1 DECIMALS X 03 DECIMALS XX...

Page 43: ...E BL A B C D 4 3 1 TITLE PROPRIETARY TO LAARS HEATING SYSTEMS AND SHALL NOT BE 2 BY LAARS HEATING SYSTEMS FRACTIONS DWG NO E23603 SH 1 2 5 14 REVISIONS REV CHANGE APPR ENGR APPR ECN DRAFT REV RELEASED 14 002N 13 DH 2 6 14 APPROVALS DRAFT 010 REPRODUCED TRANSFERRED TO OTHER DOCUMENTS USED OR DISCLOSED TO OTHERS FOR MANUFACTURING OR ANY OTHER DIMENSIONS ARE IN INCHES TOLERANCES ARE CHECK MATERIAL UN...

Page 44: ...VOLTAGE PANEL E23578 D C B 4 3 1 S PROPRIETARY TO LAARS HEATING SYSTEMS AND SHALL NOT BE 2 BY LAARS HEATING SYSTEMS DWG NO SH 1 REV KG 1 17 14 REVISIONS REV CHANGE APPR ENGR APPR ECN DRAFT CHECK RELEASE WAS PART OF DWG E23512 13 046N 12 JM 1 17 14 SCALE NONE INTENDED SIZE SOFTWARE C SHEET 1 OF 1 REV APPROVALS DRAFT ENGR APPR 010 REPRODUCED TRANSFERRED TO OTHER DOCUMENTS USED OR DISCLOSED TO OTHERS...

Page 45: ... PUMP J8 3 TB1 13 J8 6 J8 7 J8 11 J8 12 J4 2 J4 4 TB1 4A TB1 4A J4 6 J4 2 J4 4 J4 6 TB1 4A TB1 4A J6 3 R1 120V 120V 120V 120V 120V 120V FLOW SWITCH TB1 35C TB1 33C OUTLET WATER J8 8 J8 9 J8 4 J8 10 J8 5 3 2 4 1 STACK J9 4 J9 5 J9 6 3 2 4 1 BOILER PUMP SYSTEM PUMP DHW PUMP TB1 4A NOTE WHEN AN OPTIONAL COMPONENT IS NOT PRESENT THE SIGNAL MUST BE JUMPED 1 J10 7 J9 1 J9 2 DISPLAY 5 J10 4 INLET WATER 1...

Page 46: ... SYSTEM PUMP BOILER PUMP J8 3 TB1 13 J8 6 J8 7 J8 11 J8 12 J4 2 J4 4 TB1 4A TB1 4A J4 6 J4 2 J4 4 J4 6 TB1 4A TB1 4A J6 3 R1 120V 120V 120V 120V TB1 35C TB1 34C TB1 33C OUTLET WATER INLET WATER J8 8 J8 9 J8 4 J8 10 J8 5 3 2 4 1 STACK J9 4 J9 5 J9 6 3 2 4 1 BOILER PUMP SYSTEM PUMP DHW PUMP TB1 4A NOTE WHEN AN OPTIONAL COMPONENT IS NOT PRESENT 1 THE SIGNAL MUST BE JUMPED J10 7 J9 1 J9 2 DISPLAY 5 J1...

Page 47: ... 16 FIELD CONNECTIONS TT ANALOG OUTDOOR SYSTEM DHW PUMP SYSTEM PUMP BOILER PUMP J8 3 TB1 13 J8 6 J8 7 J8 11 J8 12 J4 2 J4 4 TB1 4A TB1 4A J4 6 VFD 16 VFD 17 J4 2 J4 4 J4 6 TB1 4A TB1 4A J6 3 R1 120V 120V 120V 120V 120V 120V FLOW SWITCH TB1 35C TB1 33C OUTLET WATER J8 8 J8 9 J8 4 J8 10 J8 5 3 2 4 1 STACK J9 4 J9 5 J9 6 3 2 4 1 BOILER PUMP SYSTEM PUMP DHW PUMP TB1 4A NOTE WHEN AN OPTIONAL COMPONENT ...

Page 48: ...6 FIELD CONNECTIONS TT ANALOG OUTDOOR SYSTEM DHW PUMP SYSTEM PUMP BOILER PUMP J8 3 TB1 13 J8 6 J8 7 J8 11 J8 12 J4 2 J4 4 TB1 4A TB1 4A J4 6 VFD 16 VFD 17 J4 2 J4 4 J4 6 TB1 4A TB1 4A J6 3 R1 120V 120V 120V 120V 120V 120V FLOW SWITCH TB1 35C TB1 34C TB1 33C OUTLET WATER INLET WATER J8 8 J8 9 J8 4 J8 10 J8 5 3 2 4 1 STACK J9 4 J9 5 J9 6 3 2 4 1 BOILER PUMP SYSTEM PUMP DHW PUMP TB1 4A NOTE WHEN AN O...

Page 49: ...4 23 22 21 TB1 4A 20 19 18 17 15 16 FIELD CONNECTIONS TT ANALOG OUTDOOR SYSTEM DHW PUMP SYSTEM PUMP BOILER PUMP J8 3 TB1 13 J8 6 J8 7 J8 11 J8 12 J4 2 J4 4 TB1 4A TB1 4A J4 6 VFD 16 VFD 17 J4 2 J4 4 J4 6 TB1 4A TB1 4A J6 3 R1 120V 120V 120V 120V 120V 120V FLOW SWITCH TB1 35C TB1 34C TB1 33C OUTLET WATER INLET WATER J8 8 J8 9 J8 4 J8 10 J8 5 3 2 4 1 STACK J9 4 J9 5 J9 6 3 2 4 1 BOILER PUMP SYSTEM P...

Page 50: ... operation the Touch Screen will automatically present this Home screen See Menu 1 Menu 1 Home Screen Menu 2 Status Summary Figure 27 To access the Touch Screen The home screen shows a picture of the MagnaTech controller The color of the controller depends on the status of the MagnaTech as shown below Color Status Control Icon Blue Normal operation Red Lockout Gray Standby mode Burner switch off G...

Page 51: ...ord Setup and parameter changes available only to the factory Installer Password Setup and parameter changes made when the system is installed and some diagnostic and troubleshooting functions The installer level password is lnt lower case LNT User Level no password required Non critical adjustments and functions including adjusting the Central Heat and Domestic Hot Water setpoints monitoring the ...

Page 52: ...t to change a parameter that is related to safety the system will present a warning which looks like this Menu 6 Parameter Safety Warning WARNING Changing safety parameters should only be conducted by experienced licensed boiler operators and mechanics Hazardous burner conditions can happen with improper operations that may result in PROPERTY LOSS PHYSICAL INJURY or DEATH Press OK to continue The ...

Page 53: ...group check the list carefully Press Yes if all of the parameters in the group have been entered correctly For each group you are given 30 seconds to select Yes No A count down timer is shown at the bottom of the screen If you made changes in other safety related groups verify the entries in those groups in the same way Do this until the following screen shows Menu 8 Safety Parameter Reset 6 When ...

Page 54: ...igure button to start a configuration session for the controller Menu 13 Configuration Screen This screen lists all of the configuration groups that will be outlined in Section 9 9 5 Configuring Parameters In this section we will give you a quick explanation of how to change parameters on the controller 1 From the Home Page screen Menu 11 press the icon for the controller Menu 11 Home Page Screen ...

Page 55: ...kout and Alert logs will be incorrect The display has a removable battery CR2032 to store time date lockout and alerts in the event of a power failure To set the clock 1 Start at the home screen Menu 14 Home screen 2 Press the Setup button on the lower right corner of the screen The system will present the Setup screen Menu 15 Setup Screen 3 Press the Display Setup button at the bottom of the scre...

Page 56: ... information regarding software date codes model numbers and program name as well as giving the installer access to re name the boiler and to change the modbus addresses for lead lag operation 9 7 2 CH Central Heat Configuration When using the MagnaTech for hydronic heating a call for heat must be supplied to the T T terminals found on TB1 25A and 26A Once a call for heat is established the contro...

Page 57: ...indirect water heaters that are used with boiler MGH systems 9 7 5 Warm Weather Shutdown Configuration Connect the outdoor reset sensor as descibed in Section 9 7 3 From this menu you will be able to enable disable the Warm Weather Shutdown feature and adjust the set point 9 7 6 Demand Priority Configuration From the Demand Priority Configuration the installer can adjust the priority of the differ...

Page 58: ... Run Time DHW Pump Cycles Boiler Pump Cycles and System Pump Cycles This menu is Read Only 9 7 10 High Limits The outlet High limit can be adjusted using the installer password After a change is made the control will lockout and require a Safety Verification see Section 9 3 for more details on Safety Verification Installers do not have access to change the Outlet High Limit Response That is only a...

Page 59: ... turn this feature OFF The next time a call for heat is supplied the unit will light normally 9 7 15 System Configuration The installer can set the control to display temperature units in F or C can adjust the anti short cycle time the low fire cutoff time burner off inhibit time and can set the time allowed for an alarm to sound before being silenced 9 7 16 Sensor Configuration The outdoor temper...

Page 60: ...ead Lag Master A Run sequence is initiated when the system temperature falls to the Lead Lag Central Heat setpoint Actually this is the LL CH setpoint less the On Hysteresis value The default setting for On Hysteresis is 5 F but this is adjustable Notice that when a boiler is operating as part of a Lead Lag system it does not use the normal CH setpoint it uses the special LL CH setpoint on the Lea...

Page 61: ...o that the firing rate of that first boiler rises to your boiler configurations Base Load Value see Table 15 the next boiler in the sequence will start up and begin firing at 20 to 35 fan speed depending on your configuration After this the entire configuration of boilers will modulate up or down together in reaction to the changes in demand See Figure 30 and Figure 32 Control Settings for Lead La...

Page 62: ...e by turning on Slave Enable You will be prompted to sign in This can be done by pressing the LOCK symbol at the top right type in LNT and press OK Then you can select Slave Enable Select Enable slave for built in Lead Lag master Then select OK Then select a Modbus address number for that boiler Then select OK Repeat on all boilers keeping them in a sensible sequencial order ...

Page 63: ...ig Central Heat CH Config Central Heat CH Config Setpoint CH Config Setpoint CH Config Setpoint CH Config Setpoint CH Config Setpoint CH Config Setpoint CH Config Setpoint CH Config Modulation CH Config Modulation CH Config Modulation CH Config Modulation CH Config Modulation Outdoor Reset Config Outdoor Reset Config Outdoor Reset Config Outdoor Reset Config Outdoor Reset Config DHW Config DHW Con...

Page 64: ...to 22 50 Auto On 100 100 60 100 60 100 CH LL Slave CH DHW LL Slave DHW CH DHW Arrow Points to Loop with Higher Priority Arrow Points to Loop with Higher Priority Shutdown Immediately 95F Shutdown Immediately Disabled 35F 140F 10 0 0 100 0 100 Available settings or Ranges Default DHW Lead Lag 20 DHW Lead Lag Lead Lag DHW 0 100 240 min or 4 Hrs DHW CH 0 min 0 sec 1092 min 0 sec CH DHW DHW CH 10F 5F ...

Page 65: ...n Time Shutdown Immediately Shutdown Immediately Disabled 65 65F 40F 150F 0 Disabled 0 100 Enable Disable DHW CH Enabled CH DHW DHW CH Enable Disable Drop After Priority Time 240 min or 4 Hrs Boost During Priority Time Drop After Priority Time 0 min 0 sec 1092 min 0 sec 120F 100F 40F 195F 40F 195F 140F Disabled 50F 200F STAT Terminal DHW S6 Sensor Shorted Disabled 130F 120F 40F 200F 40F 195F Local...

Page 66: ... Modulation Lead Lag Master Config Adv Settings Modulation Lead Lag Master Config Adv Settings Modulation Lead Lag Master Config Adv Settings Modulation Lead Lag Master Config Adv Settings Modulation 10 0 0 100 0 100 5F 20 2F 30F 0 100 210F 10F 50F 210F 0F 30F 0 min 2 sec Disabled 0 min 0 sec 15 min 0 sec All Boilers Off Drop Lead Boiler on Error Threshold 2F 20 0F 50F 0 100 Error Threshold 0 min ...

Page 67: ...cols contact the factory Signals from the Building Automation System will be connected to the COM2 terminals located on TBI 33A through 35A of this master boiler display WARNING When servicing the controls label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Figure 33 BAS Connections to a Lead Lag System Lead or mas...

Page 68: ...100 10 VDC or 20 mA 5 Once the Main Gas valve is energized the PCB will maintain pump output at 100 for 60 seconds to allow the system to stabilize Once the 60 second timer has expired the PCB will then run the pump output speed based on the jumper setpoint 6 When T T is satisfied the PCB will run pump at 100 output for the duration of the pump overrun time 7 A jumper on the JP1 terminal on the VS...

Page 69: ...reen Menu 23 Status Summary Screen 4 Press the Configure button in the lower left corner Menu 24 Configuration Menu 5 From the Configuration menu select the line Burner Control Ignition Menu 25 Burner Control Ignition Once there select Pilot Test Hold and turn this feature ON This feature will allow the pilot to stay lit for setup and will NEVER fire the main burner Give the unit a call for heat a...

Page 70: ...e for a period of five minutes or until the Stop Test button is pressed The fan speed control feature is only active when the boiler is in Run mode To setup high fire select maximum modulation then Start Test buttons Wait for the boiler to enter run and the fan speed to reach the maximum RPM Using a combustion analyzer dial in the high fire throttle to obtain the correct CO2 and CO measurements re...

Page 71: ...lower than high fire CO2 0 9 to 09 wc 3 000 Natural 9 0 0 2 0 25 lower than high fire CO2 0 5 to 1 2 wc Propane 10 0 0 2 0 25 lower than high fire CO2 0 5 to 1 2 wc 3 500 Natural 9 0 0 2 0 25 lower than high fire CO2 0 5 to 1 2 wc Propane 10 0 0 2 0 25 lower than high fire CO2 0 5 to 1 2 wc 4 000 Natural 9 0 0 2 0 25 lower than high fire CO2 0 5 to 1 2 wc Propane 10 0 0 2 0 25 lower than high fire...

Page 72: ...ing to the owner operator the location of all emergency shutoff devices Section 10 INITIAL STARTUP INSTRUCTIONS 10 1 Filling the Boiler System 1 Ensure the system is fully connected Close all bleeding devices and open the make up water valve Allow the system to fill slowly 2 If a make up water pump is employed adjust the pressure switch on pumping system to provide a minimum of 12 psi 81 8 kPa at ...

Page 73: ...onnect switch WARNING Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control that may have been under water 10 2 Initial Operation The initial setup must be checked before the unit is put into operation Problems such as failure to start rough ignition stron...

Page 74: ... new sealing material and reassemble 10 Once a year the items listed below should be inspected by a qualified service technician a Appliance control f Flow switch b Automatic gas valve g Low water cutoff c Pressure switches h Burner d Blower i Heat exchanger e Pump j Ignitor Do the following once every six months 1 If a strainer is employed in a pressure reducing valve or the piping clean it every...

Page 75: ...l undo the mounting screws To replace the control repeat the steps listed above in the reverse order making sure to connect all wires in the proper locations Place the unit in operation following the steps outlined in Section 10 11 2 4 Hot Surface Ignitor The ignitor equipped in MagnaTech is a silicone nitride ceramic encased hot surface ignitor The silicone nitride element is extremely fragile an...

Page 76: ...changer by brushing away any light accumulations of soot and debris Use a non metallic brush with soft bristles to avoid damaging the surfaces of the heat exchanger tubes 7 Once the tubes have been brushed clean rinse the tubes and combustion chamber with a small amount of water to rinse all of the debris out of the bottom of the flue collector and into the longer condensate trap line which is bei...

Page 77: ... the pre purge to the startup This indicates that the control system is waiting for a condition to be satisfied No Reset is required to recover from an alert The system maintains a history of the 15 most recent alerts Sometimes it can be helpful to check this list as a troubleshooting aid 12 1 1 Responding to a Lockout Hold or Alert 1 If a problem occurs while the system is starting up the system ...

Page 78: ...of current screen or Lockouts to bring up a list of the last 15 Lockout occurances Press Alerts to bring up a list of the last 15 Alerts and Silence Alarm in the event of a lockout condition By silencing the alarm the audible alert has been disabled However the Lockout is still active Reset of the control is needed once the condition has been repaired If you choose ALERTS this menu will appear Men...

Page 79: ...tion and a device needs reset to complete verification 2 Configuration ended without verification re enter configuration verify safety parameters and reset device to complete verification 3 If fault repeats replace module 3 Internal fault Hardware fault H Internal fault 1 Reset module 2 If fault repeats replace module 4 Internal fault Safety Relay key feedback error H Internal fault 1 Reset module...

Page 80: ...le 18 Internal fault Safety relay test failed due to feedback not ON L Internal fault 1 Reset module 2 If fault repeats replace module 19 Internal fault Safety RAM write L Internal fault 1 Reset module 2 If fault repeats replace module 20 Internal fault Internal fault Flame ripple and overflow H Internal fault 1 Reset module 2 If fault repeats replace module 21 Internal fault Flame number of sampl...

Page 81: ...le 2 If fault repeats replace module 32 46 Internal fault Safety Key 0 through 14 L Internal fault 1 Reset module 2 If fault repeats replace module 47 Flame Rod to ground leakage H Internal fault 1 Reset module 2 If fault repeats replace module 48 Static flame not flickering H Internal fault 1 Reset module 2 If fault repeats replace module 49 24 VAC voltage low high H 1 Check the module and displa...

Page 82: ...e 64 PII Pre Ignition Interlock OFF H or L 1 Check wiring and correct any faults 2 Check Preignition Interlock switches to assure proper functioning 3 Check the valve operation 4 Reset and sequence the module monitor the PII status 5 If code persists replace the module 67 ILK Interlock OFF H or L 1 Check wiring and correct any possible shorts 2 Check Interlock ILK switches to assure proper functio...

Page 83: ...pump circuits for proper operation 2 Recheck the Delta T Limit to confirm proper setting 3 If previous steps are correct and fault persists replace the module 82 Stack limit H or L 1 Check wiring and correct any possible errors 2 Replace the Stack high limit 3 If previous steps are correct and fault persists replace the module 91 Inlet sensor fault H 1 Check wiring and correct any possible errors ...

Page 84: ...eeded VSNSR voltage tolerance L Internal Fault 1 Reset module 2 If fault repeats replace module 99 Internal Fault Exceeded 28V voltage tolerance L Internal Fault 1 Reset module 2 If fault repeats replace module 100 Pressure Sensor Fault H 1 Verify the Pressure Sensor is a 4 20 ma source 2 Check wiring and correct any possible errors 3 Test Pressure Sensor for correct operation 4 Replace the Pressu...

Page 85: ...ame lost in run L 1 Check main valve wiring and operation correct any errors 2 Check the fuel supply 3 Check fuel pressure and repeat turndown tests 4 Check ignition transformer electrode flame detector flame detector siting or flame rod position 5 If steps 1 through 4 are correct and the fault persists replace the module 109 Ignition failed L 1 Check main valve wiring and operation correct any er...

Page 86: ...urge H or L 1 Check wiring and correct any potential wiring errors 2 Check the VFDs Variable speed Fan Drive ability to change speeds 3 Change the VFD 4 If the fault persists replace the module Code Description Procedure 129 Fan speed failed during preignition H or L 1 Check wiring and correct any potential wiring errors 2 Check the VFDs Variable speed Fan Drive ability to change speeds 3 Change t...

Page 87: ...ted H Sequence returns to standby and restarts sequence at the beginning of Purge after the HF switch opens if flame detected during Safe Start check up to Flame Establishing period 154 Purge Fan switch On H or L 1 Purge fan switch is on when it should be off 2 Check wiring and correct any errors 3 Inspect the Purge Fan switch J6 terminal 3 and its connections Make sure the switch is working corre...

Page 88: ...s replace the module 158 Main valve ON L 1 Check Main Valve terminal wiring and correct any errors 2 Reset and sequence the module If fault persists replace the module 159 Main valve OFF L 1 Check Main Valve terminal wiring and correct any errors 2 Reset and sequence the module If fault persists replace the module 160 Ignition ON L 1 Check Ignition terminal wiring and correct any errors 2 Reset an...

Page 89: ...e module 178 Safety relay ON at safe start check L Internal Fault 1 Reset module 2 If fault repeats replace module 184 Invalid BLOWER HSI output setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module 2 If fault repeats verify electrical grounding 3 If fault repeats replace module 185 Invalid Delta T limit enable setting L 1 Return to Configuration mode a...

Page 90: ...lace module 194 Invalid ignite failure response setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module 2 If fault repeats verify electrical grounding 3 If fault repeats replace module 195 Invalid ignite failure retries setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module 2 If fault repeats verify electrical g...

Page 91: ...repeats replace module 203 Invalid MFEP Main Flame Establishing Period flame failure response setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module 2 If fault repeats verify electrical grounding 3 If fault repeats replace module 204 Invalid NTC sensor type setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module...

Page 92: ...e module 215 Invalid Purge rate proving setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module 2 If fault repeats verify electrical grounding 3 If fault repeats replace module 216 Invalid Run flame failure response setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module 2 If fault repeats verify electrical groun...

Page 93: ...y electrical grounding 3 If fault repeats replace module 226 Invalid Outlet high limit setpoint setting L 1 Return to Configuration mode and recheck selected parameters reverify and reset module 2 If fault repeats verify electrical grounding 3 If fault repeats replace module 227 Invalid DHW Domestic Hot Water high limit setpoint setting L 1 Return to Configuration mode and recheck selected paramet...

Page 94: ...rol system includes a diagnostic screen that lists some information on the Lead Lag slaves in the system See Menu 41 Menu 41 Lead Lag Diagnostics Use the left and right arrows to see all of the columns in the display 12 5 Statistics The controller can present some summary information about the operation of the system number of pump cycles number of burner cycles etc Menu 42 Statistics Configuratio...

Page 95: ...o the USB port 12 8 Operating Sequence When there is a call for heat the unit will close pump contacts to energize the customer supplied relay contactor to start water flow Once the LCI circuit flow switch gas pressure switches LWCO and High Limit aquastats are completed the unit will start the blower and begin the ignition sequence MagnaTech is equipped with a low and high fire air pressure switc...

Page 96: ...tion 13 REPLACEMENT PARTS Use only genuine Bradford White replacement parts 13 1 General Information To order or purchase parts for the Bradford White MagnaTech Appliance contact your nearest Bradford White dealer or distributor If they cannot supply you with what you need contact Customer Service See the back cover for addresses and for telephone and fax numbers Frame and Jacket Assembly ...

Page 97: ...Panel top left 20N3035 20N3035 30N3057 30N3057 40N3035 40N3035 24 Bracket pressure switch 20N3053 20N3053 20N3053 20N3053 20N3053 20N3053 25 Cover field connections 17J3025 17J3025 17J3025 17J3025 17J3025 17J3025 26 Gasket 75 x 06 x 2 feet R2074402 R2074402 R2074402 R2074402 R2074402 R2074402 Final Assembly 1600 2000 2500 3000 3500 4000 Item Description Part No Part No Part No Part No Part No Part...

Page 98: ...Page 94 BRADFORD WHITE 1 13 12 4 3 5 13 2 15 Final Assembly DETAIL A 9 10 8 Final Assembly ...

Page 99: ...00 S2116500 16 Grommet push in S2123600 S2123600 S2123600 S2123600 S2123600 S2123600 17 Plug button 7 8 F0032300 F0032300 F0032300 F0032300 F0032300 F0032300 18 Flue Gas Sensor E2340000 E2340000 E2340000 E2340000 E2340000 E2340000 Waterway Outlet Assembly 1600 2000 2500 3000 3500 4000 Item Description Part No Part No Part No Part No Part No Part No 1 Pipe outlet manifold 20N4023 20N4023 30N4020 30...

Page 100: ...901 E2362000 E2363400 E2362301 E2362300 E2362300 10 Pressure switch E2362200 N A N A N A E2362302 E2362302 11 Outlet box not shown E2350900 E2350900 E2350900 E2350900 E2350900 E2350900 12 Spacer F2035400 F2035400 F2035400 F2035400 F2035400 F2035400 13 Silicone rubber bumper F2039700 F2039700 F2037900 F2037900 F2037900 F2037900 14 Bushing nylon S0064900 S0064900 S0064900 S0064900 S0064900 S0064900 ...

Page 101: ...ech BOILERS AND VOLUME WATER HEATERS A 12 10 1 2 2 3 6 16 8 7 11 13 15 14 4 9 5 A 12 10 1 2 2 3 6 16 8 7 11 13 15 14 4 9 5 W2014100 20N3060 17 Spark Generator 17 13 2 4 Blower Burner Assembly Part Numbers Model 1600 ...

Page 102: ...scription Part No Part No 1 Burner L2019900 L2019900 2 Gasket burner S2124100 S2124100 Item Description Part No Part No Part No Part No Part No Part No 1 Heat Exchanger R16N2070 R20N2070 R30N2070 R30N2070 R40N2070 R40N2070 2 Plate rear panel gas pipe 20N3034 30N3034 30N3034 30N3034 30N3034 30N3034 3 Door right 20N3100 20N3100 30N3100 30N3100 40N3100 40N3100 4 Door left 20N3150 20N3150 30N3150 30N3...

Page 103: ... m Description Part No Part No Part No Part No Part No Part No 1 Heat Exchanger R16N2070 R20N2070 R30N2070 R30N2070 R40N2070 R40N2070 2 Plate rear panel gas pipe 20N3034 30N3034 30N3034 30N3034 30N3034 30N3034 3 Door right 20N3100 20N3100 30N3100 30N3100 40N3100 40N3100 4 Door left 20N3150 20N3150 30N3150 30N3150 40N3150 40N3150 5 Control panel assemblies MGH 20N7080 20N7080 30N7080 30N7080 40N708...

Page 104: ... 1 R E T P A D A 0 0 2 0 9 0 2 P 2 2 0 4 T G M R E N R U B 0 0 9 9 1 0 2 L 1 1 1 X C N U 6 1 8 3 P A C X E H W E R C S 7 9 3 0 2 F 8 8 D T L P C N I Z C N U 6 1 8 3 T U N 0 0 1 3 0 0 0 F 6 1 6 1 16 16 F2037700 WASHER THICK FLAT 3 8 STEEL ZI E E T S S S E L N I A T S L 2 1 X 8 W E R C S 0 0 9 6 0 0 2 F 2 2 F E R U S S E R P L A I T N E R E F F I D R O S N E S 0 0 6 1 2 1 2 A 1 1 T G M 0 4 E B U T T...

Page 105: ...R2004100 R2004100 R2004100 R2004100 2 Pressure switch high gas R2004000 R2004000 R2004000 R2004000 3 Elbow P0008600 P0008600 P0008700 P0008700 4 Nipple P0020000 P0019800 P0021200 P0021200 5 Nipple 2 NPTx4 P2095800 P0022600 P0022600 P0022600 6 Bushing reducing 1 4x1 8 P2032400 P2032400 P2032400 P2032400 7 Adapter 2 NPTx1 1 2 NPT P0003900 N A P2085700 P2085700 8 Nipple P2092800 P2092800 P2091600 P20...

Page 106: ...Page 102 BRADFORD WHITE 28 26 26 23 27 16 31 23 20 5 35 11 10 29 7 25 34 37 2 24 9 12 13 14 3 3 4 36 1 17 19 26 9 6 6 21 17 18 22 30 32 15 8 33 Gas Train Assembly Models 1600 2000 2500 and 3000 ...

Page 107: ...00 P0011300 18 Elbow 1 8 P2008900 P2008900 P2008900 P2008900 19 Nipple 1 8 P0011100 P0011100 P0011100 P0011100 20 Nipple tee weldment 30N6031 30N6031 30N6031 30N6031 21 Tee 1 8 P0027100 P0027100 P0027100 P0027100 22 Nipple 1 8 x close P0011100 P0011100 P0011100 P0011100 23 Plug 70 236 70 236 70 236 70 236 24 Ball valve V2003300 V2003300 R2011600 R2011600 25 Ball valve V2003200 V2003200 R2011600 R2...

Page 108: ... 70 236 PIPE PLUG MA 1 W2000300 VALVE MANUA 2 S2123500 WASHER SEA 2 P2089600 ADAPTER FEMALE 1 P2089300 ADAPTER 1 4 TUB 1 40N6040 GAS TRA 1 40N6031 GAS TRAIN 1 V2022300 VALVE 18 23 24 16 22 14 13 12 21 20 1 19 17 14 7 25 26 27 28 29 3 4 5 6 7 8 16 15 2 17 14 14 13 12 9 10 11 32 33 35 36 31 32 34 31 30 ...

Page 109: ...23 Tee 3 8 P2090600 P2090600 24 Bushing 3 8 x1 8 P2090700 P2090700 25 Nipple 3 8 x2 P2089000 P2089000 26 Ball valve 3 8 V2022200 V2022200 27 Pilot regulator V2022100 V2022100 28 Compression fitting 1 4 tube x 1 4NPT P0004100 P0004100 29 Pilot tube 40N6025 40N6025 30 Valve Gas Dungs V2021200 V2022300 NAT V2021200 PROP 31 Washer Sealing 1 8 BSPP Fitting Dungs S2123500 S2123500 32 Adapter Fem to Male...

Page 110: ...Page 106 BRADFORD WHITE 6 2 7 11 1 5 4 12 10 3 3 8 9 6 Control Panel Assembly ...

Page 111: ...0 RE2075100 RE2075100 RE2075100 3 Bushing 7 8 nylon open E2074300 E2074300 E2074300 E2074300 E2074300 E2074300 4 Relay 24VAC DPDT E2327800 E2327800 E2327800 E2327800 E2327800 E2327800 5 Display touch control E2339800 E2339800 E2339800 E2339800 E2339800 E2339800 6 Bushing 7 8 nylon split S0064900 S0064900 S0064900 S0064900 S0064900 S0064900 7 High limit manual reset E2217800 E2217800 E2217800 E2217...

Page 112: ...Page 108 BRADFORD WHITE 1 2 3 12 10 7 9 8 14 13 4 5 6 AC DISTRIBUTION BOX ASSEMBLY PART NUMBERS MODEL1600 13 2 11 Distribution Box Assemblies and Part Numbers ...

Page 113: ...Page 109 MagnaTech BOILERS AND VOLUME WATER HEATERS 2 5 6 7 15 4 14 11 3 9 13 8 10 1 AC DISTRIBUTION BOX ASSEMBLY PART NUMBERS MODEL 2000 ...

Page 114: ...Page 110 BRADFORD WHITE 7 8 15 14 9 4 16 12 5 1 6 2 11 AC DISTRIBUTION BOX ASSEMBLY PART NUMBERS MODELS 2500 AND 3500 ...

Page 115: ...Page 111 MagnaTech BOILERS AND VOLUME WATER HEATERS 7 8 15 14 9 4 16 12 5 1 6 2 11 AC DISTRIBUTION BOX ASSEMBLY PART NUMBERS MODELS 3000 AND 4000 ...

Page 116: ...subject to change without notice in accordance with our policy of continuous product improvement H2359201E 200 Lafayette St Middleville MI 49333 Warranty 800 531 2111 www BradfordWhite com Litho in U S A Bradford White 1506 Document 1293D ...

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