Bradford White OmniTech BONH1250 Installation And Operation Instructions Manual
Category ii and iv venting with touchscreen controls
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Installation and Operation Instructions
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician, qualified
in hot water boiler and heater installation and maintenance. Improper installation and/or operation could create
carbon monoxide gas in flue gases which could cause serious injury, property damage, or death. Improper
installation and/or operation will void the warranty.
If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other unit.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any unit.
• Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
nearby phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the
fire department.
Installation and service must be performed by
a qualified installer, service agency, or gas supplier.
Installation and Operation Instructions for
Brute OmniTech
WARNING
Category II and IV Venting
with touchscreen controls
Boiler
Model BONH1250
1,250 MBTU/h
Model BONH1500
1,500 MBTU/h
Model BONH1750
1,750 MBTU/h
Model BONH2000
2,000 MBTU/h
Model BONH2500
2,500 MBTU/h
Model BOCH3000
3,000 MBTU/h
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 ni d'autres
vapeurs ou liquides inflammables dans le voisinage de
cet appareil ou de tout autre appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d'allumer d'appareils.
• Ne touchez à aucun interrupteur. Ne pas vous servir des
téléphones dansle bâtiment où vous êtes.
• Appelez immédiatement votre fournisseur de gaz depuis
un voisin. Suivez les instructions du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service des incendies.
L'installation et l'entretien doivent être assurés par un
installateur ou un service d'entretien qualifié ou par le
fournisseur de gaz.
Document 1472C
®
Water Heater
Model BONV1250
1,250 MBTU/h
Model BONV1500
1,500 MBTU/h
Model BONV1750
1,750 MBTU/h
Model BONV2000
2,000 MBTU/h
Model BONV2500
2,500 MBTU/h
Model BOCV3000
3,000 MBTU/h
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Summary of Contents for Bradford White OmniTech BONH1250
- Page 1 Installation and Operation Instructions Document 1472C Installation and Operation Instructions for Brute OmniTech ® Category II and IV Venting with touchscreen controls Boiler Water Heater Model BONH1250 Model BONV1250 1,250 MBTU/h 1,250 MBTU/h Model BONH1500 Model BONV1500 1,500 MBTU/h 1,500 MBTU/h Model BONH1750 Model BONV1750 1,750 MBTU/h...
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Page 2: Table Of Contents
Page 2 Table of Contents SECTION 1 General Information 5.A.2 Cold Water Make-Up ........28 Introduction ..........5 5.A.3 Freeze Protection ........28 Warranty .............5 5.A.4 Suggested Boiler Piping Schematics ...29-31 Model Identification ........5 Water Heaters ...........32 Safety Notes ..........6 5.B.1 Water Quality ..........32 Unit Dimensions and Components ..... - Page 3 Page 3 SECTION 8 (continued) SECTION 9 Gas Valve Touchscreen, Menus and Descriptions Configuration ..........65 About the Gas Valve .........97 8.D.1 CH (Central Heat) ........65 Menu Structure (Example) ....... 98 8.D.1.a CH1 (Central Heat, One) ......66 Gas Valve Display Navigation and Menus 98 8.D.1.a.1 PID Low ............67 Fuel Air Ratio &...
- Page 4 Page 4 Brute OmniTech ® 3000 2000 & 2500 1750 1250 & 1500 FRONT VIEW...
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Page 5: Section 1 General Information
Sealed combustion chamber High & low gas pressure switches This manual provides information necessary for the Bradford White OmniTechs are covered by a limited 160 psi maximum working pressure Pre-mix stainless steel burner Vent temperature cutoff installation, operation, and maintenance of Bradford warranty. -
Page 6: D Safety Notes
Page 6 Safety Notes Safety Notes are used thoughout this manual to bring attention to the presence of hazards with various risk levels and to off er important information concering the life of this product. There are 3 basic types. Indicates an imminently hazardous situation which, if not WARNING avoided, can or will result in death or serious injury and can... - Page 7 Page 7 WARNING NOTE: All installations must be made in accordance with 1) American National Standard Z223.1/NFPA54-Latest Electrical Shock Hazard Edition “National Fuel Gas Code” or Electrical shock can cause severe injury, death or 2) CSA B149.1 “Natural Gas and Propane Installation property damage.
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Page 8: E Unit Dimensions And Components
Page 8 Unit Dimensions and Components 1.E.1 Model 1250 / 1500 All dimensions are in inches. 24.5 26.7 6" 10.3 Electrical Air Inlet Connections 2" NPT Conn. 6" 48.4 Vent Cond 17.5 Trap 2 1/2" Outlet 2 1/2" Inlet 11.5 17.7 Gas Train as viewed from the front of the unit Gas Valve Reset... - Page 9 Page 9 Blower Gas Valve System Controls Touchscreen Gas Valve Touchscreen Control Panel Heat Exchanger Power Pack Power Connections Conduit Manual gas valve Air Filter Box Power Connections Vent Condensate Trap Water Inlet Water Outlet...
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Page 10: Model 1750
Page 10 1.E.2 Model 1750 All dimensions are in inches. 32.0 Electrical 20.2 31.6 Connection 8" NPT Air Inlet 2" NPT Gas Inlet 55.6 8" Vent Cond. Trap 22.7 3" Inlet 3" Outlet 20.1 Gas Train as viewed from the front of the unit Gas Valve Reset Sight Glass... - Page 11 Page 11 Blower Gas Valve System Controls Touchscreen Gas Valve Touchscreen (Behind Top Panel) Control Panel Manual gas valve Power Pack Power Connections Manual Conduit Gas Valve Power Connections Air Filter Box Gas Inlet Heat Exchanger Vent Condensate Trap Water Inlet Water Outlet...
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Page 12: Models 2000 / 2500
Page 12 3000 1.E.3 Models 2000 / 2500 and All dimensions are in inches. 10” ELECTRICAL 20.2 32.0 42.8 AIR INLET CONNECTIONS 3000 2" NPT 2000 & 2500 65.8 71.5 65.6 10” 8" 60.2 VENT 54.3 COND TRAP 22.7 20.1 3"... - Page 13 Page 13 Blower Gas Valve Gas Valve Touchscreen Note: The Model 3000 is 7" taller than the Model 2000 and Model 2500 System Controls Touchscreen 3000 Control Panel 2000 / 2500 Heat Exchanger Power Pack Power Manual gas valve Connections Conduit Power Connections...
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Page 14: F Unpacking
Page 14 Unpacking This unit is shipped in a single crate. Carefully The unit should not be located in an area where leakage disassemble the crate and inspect the unit for any of any connections will result in damage to the area damage during shipping. -
Page 15: Section 2 Venting And Combustion Air 2.A General Venting Info
Page 15 SECTION 2 Venting and Combustion Air 2.A General Venting Info WARNING ADVERTISSEMENT Tous les évents doivent être installés conformément à ce All venting must be installed according to this manual manuel et à tout autre code local applicable, y compris, and any other applicable local codes, including but not limited to, ANSI Z223.1/NFPA 54, CSA B149.1, CSA mais sans s'y limiter, ANSI Z223.1 / NFPA 54, CSA... -
Page 16: A.1.A Category Ii Vent
Page 16 Vent and Air Pipe Sizing (continued) Route the vent pipe to the heater as directly as possible. Seal all joints and provide adequate hangers as required in the venting system manufacturer’s installation instructions. Horizontal portions of the venting system must be supported to prevent sagging and may not have any low sections that could trap condensate. -
Page 17: Exhaust Vent Terminal
Page 17 Material United States Canada ANSI / ASTM D1527 The air pipe material must be chosen based upon the intended application PVC, sch. 40 ANSI / ASTM D1785 or D2665 of the boiler or water heater and must CPVC, sch. 40 ANSI / ASTM F441 be installed according to the vent manufacturer’s installation instructions. -
Page 18: B Common Venting
Page 18 2.B Common Venting located in the enclosure. This opening must not be less than the sum of the areas of all vent connectors in the 2.B.1 Common Venting confined space. This unit can be common vented; however, the common Other methods of introducing combustion and ventilation venting must be a professionally designed and approved air are acceptable, providing they conform to the... - Page 19 Page 19 2.B.2 V érification des évents communs — Chaudières At the time of removal of an existing boiler, the following Lorsqu’une chaudière existante est déconnectée du réseau steps shall be followed with each appliance remaining d’évents commun, ce réseau d’évents commun devient probablement trop grand pour les appareils qui lui restent connected to the common venting system placed connectés.
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Page 20: Locating Vent & Combustion Air Terminals
Page 20 2.C Locating Vent & Combustion Air Terminals 2.C.1 Side Wall Vent Terminal An appropriate quality side wall vent terminal must be used. The terminal provides a means of installing the vent piping through the building wall and must be located in accordance with ANSI Z223.1/NFPA 54 and applicable local codes. -
Page 21: Side-Wall Combustion Air Terminal
Page 21 Canadian Installations 1 U.S. Installations 2 A = Clearance above grade, veranda, porch, deck, or balcony B = Clearance to window or door that may be ● 6 in (15 cm) for appliances ≤ 10,000 Btuh (3 kW) ●... - Page 22 Page 22 Multiple Vents 2” Min. (Typ) Window OUTLET Multiple Air Intakes 2” Min. (Typ) 36” 12” 84” INLET Terminals must be placed such that they are a Minimum of 12” above the 12” Above expected snow line expected snow line. Local codes may have more specific requirements and must be consulted.
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Page 23: Outdoor Installation
Page 23 Installations in the Commonwealth of 2.D Outdoor Installation Massachusetts NOTE: Outdoor Installation of OMV's (volume water In Massachusetts the following items are required if the heaters) is not permitted in Canada. side-wall exhaust vent termination is less than seven Precautions must be taken to prevent water in the heat (7) feet above finished grade in the area of the venting, exchanger and condensate inside and outside of the... -
Page 24: Section 3 Gas Supply And Piping
Page 24 SECTION 3 Gas Supply and Piping 3.A Gas Supply and Piping Review the following instructions before proceeding with the All Installations must conform to the National Fuel Gas installation. Code ANSI Z223.1/NFPA54, and/or local codes. In 1. Verify that the unit is fitted for the proper type of gas by Canada, the installation must conform to the latest edition checking the rating plate. -
Page 25: Gas Pipe Sizing
Page 25 SECTION 4 Water Flow and 3.B Gas Pipe Sizing Headloss Data The following are gas line sizing examples from the National Fuel Gas Code. Size your gas lines properly, 4.A General Water Flow Information based on your installation and all applicable codes. SCH 40 METAL PIPE CAPACITY FOR 0.60 SPECIFIC This appliance is a water-tube design that requires Natural Gas... -
Page 26: Boiler Water Flow & Headloss Data
Page 26 4.B Boiler Water Flow & Headloss Data See Table 9 for water flow and boiler headloss, based on heat exchanger temperature rise. Model 20°F 25°F 30°F 35°F 40°F Flow Headloss Flow Headloss Flow Headloss Flow Headloss Flow Headloss 1250 25.0 16.4... -
Page 27: Recovery Data
Page 27 4.D Water Flow Recovery Data Model Temperature Rise 40°F 50°F 60°F 70°F 80°F 90°F 100°F 1250 3293 2634 2195 1881 1646 1463 1317 1500 3920 3136 2613 2240 1960 1742 1568 1750 4568 3654 3045 2610 2284 2030 1827 2000 2568... -
Page 28: Boiler Water Piping
Page 28 SECTION 5 Piping 5.A Boiler Water Piping 5.A.1 Boiler Water Connections in the heat exchanger and condensate inside and outside of the boiler from freezing. Damage due to freezing water or NOTE: This unit must be installed in a closed pressure condensate is not covered by the warranty. -
Page 29: Suggested Boiler Piping Schematics
Page 29 5.A.4 Suggested Boiler Piping Schematics 1. If the outlet sensor detects less than 45°F, the control Figure 4 on page 29 through Figure 6 on page 31 energizes the boiler pump. show suggested piping configurations for boilers. These diagrams are only meant as guides. - Page 30 Page 30 Space heating Note - zone circuits 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. Low temp. radiant zone Space heating zone circuit Air vent 4 pipe dia.
- Page 31 Page 31 High temp. Note - Space heating This drawing is a schematic representation of space heating zone circuit zone circuits a piping style, and is not intended to be used as a working installation drawing. Local code requirements must be met. Space heating zone circuit Air vent 4 pipe dia.
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Page 32: Water Heaters
Page 32 5.B Water Heaters 5.B.1 Water Quality 5.B.3 Cold Water Make-Up Water heaters must be installed in water conditions of The cold water make-up may be connected to the tank 15 gpg hardness or less, with a pH range of 6.5 to 9.5 as shown in Figure 7 through Figure 9. - Page 33 Page 33 NOTE: This drawing shows suggested piping configuration and valving. Check with local codes and ordinances for additional requirements. NOTES: 1. Locate the DHW sensor or remote aquastat well in lower 1/3 of tank. 2. Backflow preventer may be required - check local codes. 3.
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Page 34: Section 6 Condensate Drain Trap
Page 34 SECTION 7 Electrical Connections SECTION 6 Condensate Drain Trap 7.A Installation Warnings This appliance creates condensation at some operating conditions as a by-product of cold water supply conditions. The condensate must be drained from unit. CAUTION A combination condensate drain/trap is included on The supply voltage to this unit must not be the unit. -
Page 35: Main Power Connections
Page 35 7.B Main Power Connections This unit is provided with an electrical junction box on the rear panel for main power connections. See Figure 11. All power wires are factory installed between this junction box and the main high voltage box at the front of the unit. -
Page 36: Control Panel Layout
120N 120N Page 36 120N 120L 7.D Control Panel Layout 120L 120L BOILER PUMP (N) 17 BOILER PUMP (L) 18 DHW PUMP DHW PUMP SYSTEM PUMP SYSTEM PUMP SPARE 1 SPARE 1 SPARE 2 SPARE 2 ALARM BELL ALARM BELL SYSTEM SUPPLY SYSTEM SUPPLY SYSTEM RETURN... -
Page 37: Power
Page 37 7.E.1 Power Notice 7.E.2 Boiler Pump When running the Power and Field Connection wiring between the units (Cascade, System If connecting a boiler contactor or pump, use terminals Sensor, Outdoor Sensor, Building Automation, 17 (neutral) and 18 (line voltage). The output of these Etc), always Exit and Enter the wiring through terminals is 120VAC with a maximum output current of the lower back panels so that during future... -
Page 38: Heat Demands
Page 38 7.E.6 Heat Demands (Boiler / Water Heater) Alarm - when used, is connected to terminals 54 (common), 55 (normally closed), and 56 (normally CH1/DHW1 - if a thermostat/aquastat or end switch open). The controller closes the normally open set (isolated contact only) is used as a heat demand, connect of contacts whenever the unit is locked out. - Page 39 Page 39 BOILER PUMP (N) 17 BOILER PUMP (N) 17 BOILER PUMP (N) 17 BOILER PUMP (L) 18 BOILER PUMP (L) 18 BOILER PUMP (L) 18 DHW PUMP DHW PUMP DHW PUMP DHW PUMP DHW PUMP DHW PUMP SYSTEM PUMP SYSTEM PUMP SYSTEM PUMP SYSTEM PUMP...
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Page 40: Rs485 Bms
OUTDOOR OUTDOOR OUTDOOR OUTDOOR OUTDOOR OUTDOOR CH1/DHW1 CH1/DHW1 CH1/DHW1 Page 40 CH1/DHW1 CH1/DHW1 CH1/DHW1 CH2/DHW2 CH2/DHW2 CH2/DHW2 7.E.12 RS485 BMS CH2/DHW2 CH2/DHW2 CH2/DHW2 DHW/DHW3 DHW/DHW3 DHW/DHW3 BMS – if communicating to the unit via RS485 serial DHW/DHW3 DHW/DHW3 DHW/DHW3 communications, either Modbus or BACnet MSTP, SPARE 1 SPARE 1 SPARE 1... -
Page 41: Modbus/Bacnet Memory Map
Page 41 Modbus/BACnet Memory Map BACnet BACnet Modbus Data Object Address Map Descriptor Name Type Read/Write Notes Read Inlet sensor Read Read Outlet sensor Read Read DHW sensor Read Read System Inlet Sensor Read Read System Outlet Sensor Read Read Outdoor Sensor Read Read... - Page 42 Page 42 7.F Modbus/BACnet Memory Map (continued) BACnet BACnet Modbus Data Object Address Map Descriptor Name Type Read/Write Notes SYSTEM RETURN PROBE ERROR = 34 Read Error Code Read OUTDOOR PROBE ERROR = 35 FLUE PROBE ERROR = 36 HIGH LIMIT AUTO ERROR = 41 HIGH DELTA T ERROR = 42 FAN SPEED ERROR = 43 Read...
- Page 43 Page 43 BACnet BACnet Modbus Data Object Address Map Descriptor Name Type Read/Write Notes 0 = Not Present 1 = Not Available Read Lead 0 State Read 2 = Available 3 = Running 4 = Locked Out Read Lead 0 Firing Rate Read Current firing rate (0-100%) Read...
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Page 44: Wiring Diagrams, High Voltage
Page 44 Wiring Diagrams, High Voltage Figure 17. Wiring Diagram, 208 or 240V 1 Phase 1500 to 2500... - Page 45 Page 45 Figure 18. Wiring Diagram, 208V 3 Phase 2500...
- Page 46 Page 46 7.G Wiring Diagrams, High Voltage (continued) Figure 19. Wiring Diagram, 480V or 600V 3 Phase 2500...
- Page 47 Page 47 Figure 20. Wiring Diagram, 208V or 480V 3 Phase 3000...
- Page 48 Page 48 7.G Wiring Diagrams, High Voltage (continued) Figure 21. Wiring Diagram, 600V 3 Phase 3000...
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Page 49: Ladder Diagrams
Page 49 7.H Ladder Diagrams CONTAINED HEREIN ARE 120VAC (1PH/60Hz) CO.AND SHALL NOT BE OCUMENTS, USED OR NG OR ANY OTHER TB1-17 RIZED IN WRITING BLOWER MOTOR TB1-18 TB1-19 TB1-20 TB1-21 TB1-22 TB1-23 TB1-24 TB1-25 TB1-26 TB1-27 POWER SWITCH TB1-28 TB1-29 POWER INDICATOR TB1-30... - Page 50 Page 50 7. H Ladder Diagrams (continued) HEREIN ARE 208/220/240VAC (1PH/60Hz) ALL NOT BE L1 L2 USED OR Y OTHER TB1-17 Boiler (N TING Pump (L TB1-18 BLOWER MOTOR TB1-19 TB1-20 Pump TB1-21 System TB1-22 Pump Spare 1 TB1-23 TB1-24 Spare 1 120VAC TRANSFORMER TB1-25...
- Page 51 Page 51 EIN ARE 208VAC (3PH/60Hz) NOT BE REV. D OR 17-152 THER TB1-17 POWER Boiler (N) OUTPUTS TB1-18 Pump (L) CHANGE: BLOWER MOTOR TB1-19 TB1-20 Pump TB1-21 System TB1-22 Pump Spare 1 TB1-23 TB1-24 CONTACTS Spare 1 120VAC TRANSFORMER (OUTPUTS) TB1-25 Spare 2...
- Page 52 Page 52 7. H Ladder Diagrams (continued) EIN ARE 480/575/600VAC (3PH/60Hz) NOT BE REV. D OR 17-1 BLOWER MOTOR TB1-17 POWER Boiler (N) CHANGE: OUTPUTS 220VAC (1PH/60Hz) Pump (L) TB1-18 TB1-19 TB1-20 Pump TB1-21 System TB1-22 Pump TB1-23 Spare 1 120VAC TRANSFORMER TB1-24 CONTACTS...
- Page 53 Page 53 EIN ARE 208/480VAC (3PH/60Hz) NOT BE REV. D OR 17-152N THER TB1-17 Boiler (N) POWER CHANGE: OUTPUTS TB1-18 Pump (L) BLOWER MOTOR TB1-19 TB1-20 Pump TB1-21 System TB1-22 Pump TB1-23 Spare 1 120VAC TRANSFORMER TB1-24 Spare 1 CONTACTS (OUTPUTS) TB1-25 Spare 2...
- Page 54 Page 54 7. H Ladder Diagrams (continued) REV. 575/600VAC (3PH/60Hz) TRANSFORMER #1 TB1-17 Boiler (N) POWER OUTPUTS 480VAC (3PH/60Hz) TB1-18 Pump (L) TB1-19 TB1-20 Pump TB1-21 System BLOWER MOTOR TB1-22 Pump TB1-23 Spare 1 TB1-24 Spare 1 CONTACTS (OUTPUTS) TB1-25 Spare 2 TRANSFORMER #2 TB1-26...
- Page 55 Page 55 This page intentionally left blank...
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Page 56: Wiring Diagram
THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN ARE Page 56 PROPRIETARY TO LAARS HEATING SYSTEMS CO.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 Wiring Diagram BY LAARS HEATING SYSTEMS CO. - Page 57 REVISIONS Page 57 REV. DRAFT CHECK DG 3/7/19 RR 3/7/19 17-152N-03 UPDATED TO ADD FAN TO CONTROL PA CHANGE: TB1-16:3 24L 24VAC 24VAC TB1-12:3 24N (COM) UNLESS OTHERWISE SPECIFIED: DO NOT SCALE DRAWING. TOLERANCES ARE: THIRD ANGLE PROJECTION. DECIMALS .X FRACTIONS 1/8"...
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Page 58: Section 8 Control Operation
Page 58 SECTION 8 Control Operation 8.A The Home Screen CSP: is the Calculated Set Point and is the Current Demand. This could be either the CH1 (Central Heat One), CH2, or the DHW (Domestic Hot Water), depending on the model and the installation set up. -
Page 59: Keypad Operations
Page 59 8.A.2 Keypad Operations NOTE: You can always tell exactly where you have navigated to Navigation Bar. by looking at the icons in the In this example you are in Home / Configure / Central Heat / Central Heat One Shows the current setting of the Parameter. -
Page 60: Login To Lock / Unlock The Disp Screen
Page 60 8.B Login to Lock / Unlock the Display Screen Password Protection: To change configuration or parameters, a password is required. The control system includes three levels of password protection. Touch the 'Current Lock Status' icon at the top of the screen. USER password is lhs. -
Page 61: Quick Start
Q U I C K S T A R T Page 61 8.C Quick Start Quick Start will allow a user to configure the basic functionality of the control, without going through all of the parameters that are available. The 6 basic functionalites are •... -
Page 62: Ch1 (Central Heat, One) 1
Q U I C K S T A R T Page 62 8.C.1.a CH1 (Central Heat, One) • Enable/Disable – This allows CH1 to be enabled/disabled. The default setting is Enabled. • Set Point – This is the set point temperature. 8.C.1.b CH2 (Central Heat, Two) To navigate to the CH2 Quick Start Screen, touch the CH2 Icon on the CH Quick... -
Page 63: Outdoor Reset
Q U I C K S T A R T Page 63 8.C.3 Outdoor Reset Outdoor reset adjusts a boiler’s setpoint based on outdoor air temperature. This is for boilers only, and is not used for domestic water. To navigate to the Outdoor Quick Start Screen, touch the Outdoor Icon on the Quick Start Screen. The Outdoor Quick Start Screen allows the adjustment of the following parameters: •... -
Page 64: Anti-Short Cycle
Q U I C K S T A R T Page 64 8.C.5 Anti-Short Cycle To navigate to the Anti-Short Cycle Quick Start Screen, touch the Anti-Short Cycle Icon on the Quick Start Screen. The Anti-Short Cycle Quick Start Screen allows adjustment of the following parameter: •... -
Page 65: Configuration
C O N F I G U R A T I O N Page 65 8.D Configuration This area of the controller allows access to all parameters available, based on the access level that is unlocked. To navigate to the Configuration Screen, touch the Configure Icon in the lower left portion of the Home Screen. The Configuration Screen shows all configurable parameters. -
Page 66: D.1
C O N F I G U R A T I O N Page 66 8.D.1 CH (Central Heat) “CH” stands for “central heat.” It is used for space heating demands. On the Configure Screen, touch the CH thermometer icon to navigate to the CH Selection Screen There are two identical heat demands, CH1 and CH2, each with independent control algorithms and independent inputs on the input terminal strip, see SECTION 7 From the CH Selection Screen, touching CH1 navigates to the CH1... -
Page 67: D.1.A.1 Pid Low
C O N F I G U R A T I O N Page 67 8.D.1.a.1 PID Low Active below Setpoint. Note that in most cases, PID parameters will not need to be changed. The PID Parameters Screen allows adjustment to the following parameters: •... -
Page 68: Dhw (Domestic Hot Water)
Page 68 8.D.2 DHW (Domestic Hot Water) To navigate to the DHW/DHW3 Screen, touch the DHW faucet icon on the Configure Screen. DHW/DHW3 has all the same parameters as CH1/DHW1 and CH2/DHW2 with one exception. DHW/DHW3 has the following additional parameter for adjustment: •... -
Page 69: Outdoor Reset
C O N F I G U R A T I O N Page 69 8.D.3 Outdoor Reset Outdoor reset adjusts a boiler’s setpoint based on outdoor air temperature. This is for boilers only, and is not used for domestic water. The Outdoor Parameters Screen allows the adjustment of the following parameters: •... -
Page 70: Cascade (All About Lead / Lag)
Page 70 8.D.4 Cascade (All about Lead / Lag) An installation with two or more units may be configured for cascade operation. Up to eight units can be cascaded and controlled together. To navigate to the Cascade Screen, touch the Cascade Icon on the Configuration Screen. The Cascade Screen provides four navigation icons to configure the system for cascade operations. - Page 71 C O N F I G U R A T I O N Page 71 Log In Settings Parameter User Installer Default Unit Base Load Drop Load Min On Time Seconds Min Off Time Seconds Table 15. Parameter Settings minimum (instead of the allowable minimum firing rate of 5%). In addition, if the Drop Load Value is higher than the minimum firing rate of the unit, the unit will turn off at the Drop Load Value and not the minimum firing rate of the unit.
- Page 72 Page 72 As the load increases: As the load decreases: • Until all units are firing, no unit is requested to exceed • As long as all units are firing – the base load value can the base load value. be exceeded, as long as all units maintain the same firing rate.
- Page 73 C O N F I G U R A T I O N Page 73 About Cascading (Lead / Lag) -continued Low demand: The first boiler in sequence ignites and gradually increases firing rate to satify the heat demand. Increased demand: Once the first boiler reaches the Base Load Value (40%) firing rate, the second boiler ignites.
- Page 74 Value , all units are allowed to increase firing rate (same at all boilers) up to maximum firing rate. C O N F I G U R A T I O N Page 74 100% 100% 100% 100% 100% 100% 100% 100% Decreasing demand: As the demand...
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Page 75: D.4.A Cascade Parameters
C O N F I G U R A T I O N Page 75 8.D.4.a Cascade Parameters To navigate to the Cascade Parameters Screen, touch the Cascade Icon on the Configuration Screen, then touch the Cascade Parameters Icon. The Cascade Parameters Screen allows adjustment of the following parameters: •... -
Page 76: D.4.A.1 Base / Drop Load
C O N F I G U R A T I O N Page 76 8.D.4.a.1 Base / Drop Load Base Load – Is the firing rate that must be achieved prior to adding another unit to satisfy the heat demand. Drop Load –... -
Page 77: D.4.B.1 Rotation Setup
C O N F I G U R A T I O N Page 77 8.D.4.b.1 Rotation Setup There are two options for cascade Rotation Setup, Rotation ‘Mode’: Run Time Recurrence For Recurrence Mode, there are two parameters: In the Run Time Mode, you can adjust only the Time of Day. -
Page 78: Pumps
C O N F I G U R A T I O N Page 78 8.D.5 Pumps The Pump Configuration Screen allows adjustment of the following 7 parameters: • Boiler Pump Control – This parameter provides the ability to set the boiler pump functionality to be: Auto –... -
Page 79: D.5.A Variable Speed Pump Control
C O N F I G U R A T I O N Page 79 8.D.5.a Variable Speed Pump Control This screen allows the adjustment of the following parameters: • On Delay – Upon a call for heat, once the unit ignites, this is the amount of time the unit will wait prior to modulating the pump speed. -
Page 80: Manual Firing Rate
C O N F I G U R A T I O N Page 80 8.D.6 Manual Firing Rate To navigate to the Manual Firing Rate Screen, touch the Manual Firing Rate Icon on the Configuration Screen. The Manual Firing Rate Control Screen allows the adjustment of the following parameters: •... -
Page 81: D.7.A Delta T Parameters
C O N F I G U R A T I O N Page 81 8.D.7.a Delta T Parameters To navigate to the Delta T Parameters Screen, touch the Temp Limits Icon on the Configuration Screen, then touch the Delta T Parameters button on the Temperature Limits Parameters Screen. -
Page 82: External
C O N F I G U R A T I O N Page 82 8.D.8 External The External Configuration Screen applies to the 0-10VDC (4-20mA) analog input BMS signal, and allows adjustment of the following parameters: To navigate to the External Configuration Screen, touch the External Icon on the Configuration Screen. •... -
Page 83: D.8.A External - Remote Set Point
C O N F I G U R A T I O N Page 83 8.D.8.a External – Remote Set Point. External (0 – 10VDC or 4 – 20mA) • An External heat demand can be initiated by a Building Management System (BMS) using a 0-10VDC or 4-20mA signal. -
Page 84: Time & Date
Page 84 8.D.9 Time & Date To navigate to the Time & Date Screen, touch the Time and Date area of ANY Screen. The Time & Date Quick Start Screen allows adjustment of the following parameters: • Hour • Minute •... -
Page 85: D.10.A Demands Priorities
C O N F I G U R A T I O N Page 85 8.D.10.a Demands Priorities To navigate to the Demands Priorities Screen, first go to the Miscellaneous folder. At the Demands Priorities screen select each configured demand and assign a priority number. NOTE: Demands Priority is only active on the lag or stand alone boilers. -
Page 86: D.10.C Warm Weather
C O N F I G U R A T I O N Page 86 8.D.10.c Warm Weather To navigate to the Warm Weather Configuration Screen, touch the Miscellaneous Features on the Configuration Screen, then touch the Warm Weather Icon on the Miscellaneous Features screen. The Warm Weather Configuration Screen allows adjustment of the following parameters: •... -
Page 87: D.10.D Com Port, Bms
C O N F I G U R A T I O N Page 87 8.D.10.d COM Port, BMS The control has Modbus and BACnet MSTP (RS485) protocols on board, for use with Building Management Systems. Gateways can be used for other communication protocols. To navigate to the COM Port Configuration Screen, touch the Misc Icon on the Configuration Screen, then touch the COM Port Icon on the Misc Configuration Screen. -
Page 88: D.10.E Temperature Conversion
C O N F I G U R A T I O N Page 88 8.D.10.e Temperature Conversion To navigate to the Temperature Conversion Configuration Screen, touch the Temperature Conversion Icon on the Miscellaneous Features screen. The Temperature Conversion Configuration Screen allows adjustment of the following parameter: •... -
Page 89: Login
C O N F I G U R A T I O N Page 89 8.D.11 Login To navigate to the Login Screen, touch the Lock Icon on any screen. The Login Screen allows the operator to make parameter adjustments based on the level of the login credentials. See Section 8.B on page 60 Table 17 on page 109... -
Page 90: E Service Screens
S E R V I C E Page 90 8.E Service Screens To navigate to the Service Screen, touch the Service Icon in the lower left portion of the Home Screen. Available only to the factory or technician qualified at the OEM level. -
Page 91: Digital I/O Inputs
S E R V I C E Page 91 8.E.2 Digital I/O Inputs There are two screen associated with the Digital I/O: Digital I/O Screen-Inputs; Digital I/O Screen-Outputs. Navigate to the Digital I/O Screen by touching the Digital I/O Button on the Service Screen. Digital I/O Inputs: The indicator light associated with the input is green when the input is satisfied. -
Page 92: Analog I/O
S E R V I C E Page 92 8.E.3 Analog I/O Navigate to the Analog I/O Screen by touching the Analog I/O Button on the Service Screen. There are two screens associated with the Analog I/O: Analog I/O Inputs; Analog I/O Outputs. Analog I/O Input: There are three types of analog inputs;... -
Page 93: Screen Settings Timeout
S E R V I C E Page 93 8.E.4 Screen (Settings Timeout) Navigate to Screen Settings by touching the Screen Button on the Service Screen. There are two adjustable screen settings: Light Timeout and AutoLock Timeout. • Light Timeout allows the user to adjust the amount of time the touch screen backlight will remain lit after user interaction has ceased. -
Page 94: Restart Touchscreen & Recalibrate
S E R V I C E Page 94 8.E.6 Restart (Touchscreen & Recalibrate) Touching the Restart Button on the Service Screen reboots the display. If the touchscreen seems to be out of alignment, it can be recalibrated by pressing the Restart Button, promptly touching (and holding) the touch screen. Follow the calibration procedure as shown on the touch screen. -
Page 95: F Messages And Usb
Page 95 Messages and USB 8.F.1 Messages The ‘Messages’ icon at the bottom of the home screen displays an ‘Exclamation Point’ when messages are present. Press the icon to see the message(s). 8.F.2 USB Functionality The USB port is on the back of the display. To access it, the control display can be lifted off of the front of the unit and the USB port is found behind the touchscreen. -
Page 96: G Active Demands
Page 96 8.G Active Demands The Active Demand Window indicates the status of active heat demands. A black heat demand icon indicates the heat demand that is currently being satisfied. A “greyed out” heat demand icon is either lower in priority than the heat demand that is currently being satisfied, or the heat demand has reached set point, but remains active. -
Page 97: Section 9 Gas Valve Touchscreen, Menus And Descriptions
Page 97 SECTION 9 Gas Valve Touchscreen, Menus and Descriptions 9.A About the Gas Valve This unit utiizes a Honeywell Gas Valve with a touchscreen display. Models 1250 and 1500 Gas Valve Reset Sight Glass Models 1750, 2000 and 2500 Gas Valve Reset Sight Glass... -
Page 98: Menu Structure (Example)
Page 98 9.B Menu Structure (Example) Your current menu location is always shown in the NAV LOCATION. Keep an eye on this area as it will always tell you where you have navigated to. NAV LOCATION: MENU TABS: SELECTION AREA: MENU OPTIONS: 9.C Gas Valve Display Navigation and Menus From Home, select Valve 1. - Page 99 Page 99 From Valve 1, select Setup & Tests. Note your location. Selections • Valve Status - This section gives general information about valve operation and hours and cycles. • Setup & Tests – Allows for valve settings adjustment, configuration of optional components on the boiler and combustion setup of the boiler.
- Page 100 Page 100 You are now in the Settings menu. MENU TABS: Menu Tabs. General: This menu displays these current settings (as shown). Valve body: Allows the selection of the proper valve body size. This should be done at the factory. No adjustments necessary.
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Page 101: Fuel Air Ratio & Ignition, Menus
Page 101 9.D Fuel Air Ratio & Ignition, Menus Click back to Setup & Tests From Setup & Tests, select Fuel-Air Ratio & Ignition. Fuel Air Ratio & Ignition has several menus that allow for combustion setup, Ignition characteristics modification, Loading and saving A/F curves and valve configurations. MENU TABS: 9.D.1 The OEM menu sets several safety parameters that can not be adjusted in the field. -
Page 102: Ignition Menu
Page 102 9.D.2 Ignition Menu The settings in the ignition tab allow the ignition characteristics of the boiler to be customized to fit the boiler application if needed. In most cases customization will not be necessary. The ignition graph shown is a representation of how the gas valve will react during the trial for ignition process. -
Page 103: Base Curve Menu
Page 103 9.D.3 Base Curve Menu Controls the base A/F ratio curves. These values are set at the factory and can not be adjusted in the field. 9.D.4 Correction Curve Menu Allows for adjustment of the A/F ratio by the installer. To adjust the A/F curves follow the steps provided. Set the desired fan speed. -
Page 104: Summary Menu
Page 104 9.D.5 Summary Menu The Summary tab shows the A/F curves for the base curve and correction curve, so each curve can be reviewed. The summary tab doesn’t allow the A/F curves to be adjusted, so there is not a risk of making unintended changes 9.D.6 Load &... -
Page 105: Diagnostics
Page 105 Diagnostics Home > Valve 1 > Diagnostics – The diagnostics section is broken up into several menus and will help to diagnose issues if they occur. Active faults - lists the faults that are currently active preventing or limiting boiler function. Fault History –... -
Page 106: Verification Menu
Page 106 Verification Menu Verification is a required process when changes to safety parameters are made. Verification forces a review of the changes made and allows those changes to be accepted. When a setting is changed that requires verification a notification will appear at the bottom of the screen. Press the Verify Safety Parameters button to proceed to the verification process. - Page 107 Page 107...
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Page 108: Gas Valve Password & Login Menu
Page 108 9.F Verification Menu (continued) 9.G Gas Valve Password & Login Menu The login screen will appear with an attempt to make changes to a password protected parameter. The login screen can also be accessed by pressing the login icon at the top of the gas valve display. When entering a password select the installer tab and then enter the password LaarsOmt2018. -
Page 109: Section 10 Parameter Tables
Page 109 SECTION 10 Parameter Tables Table 17. OCH (Boiler) Parameter and Range Table (next 3 pages) Minimum Maximum Default Time & Date Hour Minute Month Year CH1 Enable/Disable Disable Enable Enable 100 F 200 F 180 F CH1 Setpoint 20 F 10 F CH1 On Hysteresis... - Page 110 Page 110 Minimum Maximum Default 0 secs 600 secs 60 secs Boiler Pump Post Circulation Disable Auto/ Always On Auto DHW Pump Control 0 secs 600 secs 60 secs DHW Pump Post Circulation Auto/ Always On/ System Pump Control Disable Auto (continured) Off During DHW...
- Page 111 Page 111 Table 18. OCV (Water Heater) Parameter and Range Table (next 2 pages) Minimum Maximum Default Time & Date Hour Minute Month Year DHW1 Disable Enable Enable DHW1 Enable/Disable 100 F 200 F 180 F DHW1 Setpoint 20 F 10 F DHW1 On Hysteresis 20 F...
- Page 112 Page 112 Auto/ Always On/ Off During (continured) Disable DHW/Auto - Off Auto Boiler Pump Control When Temperature Reached 0 secs 600 secs 60 secs Boiler Pump Post Circulation Disable Auto/ Always On Auto DHW Pump Control 0 secs 600 secs 60 secs DHW Pump Post Circulation Auto/ Always On/...
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Page 113: Section 11 Initial Startup Instructions
Page 113 SECTION 11 Initial startup Instructions 11.A Filling the Boiler System water level exceeds ¼ of the volume of the expansion tank, open the tank drain, and drain to that level. 1. Ensure the system is fully connected. Close all bleeding devices and open the make-up water valve. -
Page 114: Initial Operation
Page 114 11.B Initial Operation WARNING The initial setup must be checked before the unit is put If any odor of gas is detected, or if the gas burner into operation. Problems such as failure to start, rough does not appear to be functioning in a normal ignition, strong exhaust odors, etc. -
Page 115: Combustion Setup
Page 115 11.E Combustion setup The OmniTherm uses a sophisticated gas control system that monitors the gas air ratio and automatically adjusts to maintain proper operating conditions. On initial installation and subsequent inspections, the CO 2 levels should be checked and if outside the allowable range, adjustments made. To make adjustments to the gas air ratio use the Gas valve display inside the boiler jacket and follow the process below. -
Page 116: Combustion At The Gas Valve Display
Page 116 11.E.2 Combustion at the Gas Valve Display 2. Measure the combustion product to determine if the CO 2 levels fall in the ranges listed in the table. If the CO 2 level is out of range adjust the CO 2 by using the gas valve display and the process below. Using the gas valve display Navigate to Home >... -
Page 117: Section 12 Maintenance
Page 117 SECTION 12 Maintenance 12.A System Maintenance 12.B Maintenance Notes Do the following once a year: Use only genuine manufacturers replacement parts. Lubricate all the pumps in the system, per the CAUTION instructions on the pump. When servicing the controls, label all wires before Inspect the venting system for obstruction or disconnecting them. -
Page 118: Main Omnitherm Controller
Page 118 pass through ceramic insulators and then align with allows the entire gas valve and fuel/air mixer assembly to the ground rod. In order for a proper spark to form, be removed as an assembly to facilitate inspection and the mounting bracket must be grounded to the boiler cleaning. - Page 119 Page 119 12.B.8 Gas Pressure Switches If black carbon soot buildup on the heat exchanger is suspected, disconnect the electrical supply to the unit The high and low pressure gas switches are manual and turn off the gas supply by closing the manual gas reset switches that act to cut power to the interlock valve on the unit.
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Page 120: Section 13 Troubleshooting
Page 120 SECTION 13 Troubleshooting 13.A Error Codes Condition Information Corrective Action Flow Switch • Insufficient flow at the outlet of the • Faulty boiler/heater pump – boiler/heater replace pump. Auto-reset Condition Faulty pump contactor – replace • • contactor. •... - Page 121 Page 121 Condition Information Corrective Action • Verify supply and manifold gas Lockout: Low Gas Pressure pressures satisfy installation requirements. Condensate • Condensate trap water level is high • Check condensate trap for Level proper drainage Auto-reset Condition • Check condensate trap for stuck Annunciation –...
- Page 122 Page 122 Error Codes (continued) Condition Information Corrective Action 3563 7139 2463 4937 1739 3489 1253 2514 1845 1376 Inlet Sensor • Inlet sensor is damaged or not • Check the sensor and wiring. connected. Repair or replace as needed. Manual-reset condition Measure the resistance of the •...
- Page 123 Page 123 Condition Information Corrective Action Stack • Stack sensor disconnected • Check the sensor and wiring. Sensor Repair or replace as needed. Stack sensor wiring bad • The stack probe is a dual • • Thermistor elements bad element probe with 100K thermistors.
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Page 124: Sv2 Fault Codes
Page 124 Fault Fault Fault Description Detailed Description Remediation Steps Comments 13.B SV2 Fault Codes Category Number Data Error EEPROM corrupt Main electronics EEPROM is corrupted. 1.) Reset valve and burner management system then cycle power. 2.) If fault persists replace main electronics. 3.) Recommission all valve parameters. - Page 125 Page 125 Fault Fault Fault Description Detailed Description Remediation Steps Comments Category Number If this fault occurs directly after commissioning: Fuel/Air FARMOD target (S2a) The Fuel/Air Ratio redundant gas pressure signal was not not reached within the control setpoint window within the specified time of 1.) Recommission the 4 points of the correction curve and/or add additional points to the correction curve.
- Page 126 Page 126 Fault Fault Fault Description Detailed Description Remediation Steps Comments SV2 Fault Codes (continued) Category Number Fuel/Air Fuel/Air Correction Curve This fault is ignored when the Installer or OEM are logged Commission the Fuel/Air curve, ensuring the minimum firing rate is entered. Min not defined into the valve.
- Page 127 Page 127 Fault Fault Fault Description Detailed Description Remediation Steps Comments Category Number Fuel/Air Control Valve Full Stroke The recorded full stroke of the control valve does not match Replace the valve and re-commission. Mismatch valve size. Fuel/Air Fuel/Air Base Curve Min Fuel/Air Ratio base curve minimum value has not been Commission or load the base fuel/air curve, ensuring the minimum firing rate is entered.
- Page 128 Page 128 Fault Fault Fault Description Detailed Description Remediation Steps Comments SV2 Fault Codes (continued) Category Number Main K1 internal relay is stuck MV1 internal K1 relay is stuck closed unexpectedly 1.) Reset valve and attempt system restart. Electronics closed 2.) If fault persists, replace valve main electronics board.
- Page 129 Page 129 Fault Fault Fault Description Detailed Description Remediation Steps Comments Category Number POC 2 (proof of closure) POC 2 switch output does not match valve seat 2 Remove power and shut-off gas supply as necessary. incorrect position powered/not powered status. 1.) Remove valve front electrical and rear solenoid enclosures.
- Page 130 Page 130 Fault Fault Fault Description Detailed Description Remediation Steps Comments SV2 Fault Codes (continued) Category Number Solenoid 2 Solenoid 2 signal fault Solenoid 2 terminal signal is not valid. Frequency or duty is Remove power and shut-off gas supply as necessary. out of expected range.
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Page 131: Section 14 Replacement Parts
Final Assembly (Models 1250, 1500, 1750, 2000, 2500 and 3000) Page 131 SECTION 14 Replacement Parts Use only genuine Manufacturer replacement parts. 14.A General Information To order or purchase parts, contact your nearest manufacturers dealer or distributor. (See the back cover of this manual for the manufacturers website). 14.B Component Illustrations, Parts Lists, and Part Numbers Final Assembly (Models 1250, 1500, 1750, 2000, 2500 and 3000) BACK VIEW... - Page 132 Page 132 Jacket Assembly (Models 1250 and 1500) Parts List ITEM DESCRIPTION PART NUMBER PANEL, JACKET, REAR 150S3005 PANEL, ACCESS, FLUE 150S302601 FILTER ASSY, AIR INTAKE 150S2610 PANEL, JACKET, RIGHT 150S3006 PANEL, JACKET, LEFT 150S3007 PANEL, JACKET, TOP 150S3008 ACCESS PANEL 150S3013 DOOR ASSY, LOWER 150S3024...
- Page 133 Page 133 Jacket Parts (Model 1750) PARTS LIST ITEM NO. DESCRIPTION PART NO. DOOR ASSY, DISPLAY 175S3102 DOOR ASSY, LOWER 175S3104 FILTER ASSY, AIR INTAKE 250S2500 PANEL, JACKET, RIGHT, LOWER 175S3002 PANEL, JACKET, LEFT, LOWER 175S3018 PANEL, JACKET, RIGHT, UPPER 175S3004 PANEL, JACKET, LEFT, UPPER 175S3016...
- Page 134 Jacket Parts (Models 2000 and 2500) Page 134 Jacket Parts (Models 2000 and 2500) Jacket Parts (Model 3000) Jacket Parts (Model 3000) PARTS LIST Jacket Parts (Models 2000 and 2500) PARTS LIST PARTS LIST ITEM NO. DESCRIPTION ITEM NO. DESCRIPTION PART NO.
- Page 135 Page 135 Control Panel Assembly (Models 1250, 1500, 1750, 2000, 2500 and 3000) Control Panel Assembly (Models 1250, 1500, 1750, 2000, 2500 and 3000) PARTS LIST ITEM DESCRIPTION PART NO. SWITCH, CUTOFF, LOW WATER E2387600 BOARD, CONTROL R2082700 TRANSFORMER ASSY, 120-24V, 75 VA 150S7019 FAN, COMPACT AC AXIAL E2392600 RELAY, REPLACEMENT, 110V, SLIM...
- Page 136 Page 136 Heat Exchanger Assembly (Models 1250 and 1500) SEE RFC TILE See Refractory WARNING Ceramic Fibers ON PAGE 7 Warning in Section "1.D Safety Notes" PARTS LIST ITEM DESCRIPTION 1250 1500 PART NO. SHROUD ASSEMBLY R2082901 125S2141 HEAT EXCHANGER 150S2141 BLANKET, INSULATION 150S218201...
- Page 137 Page 137 Heat Exchanger Assembly (Models 1750, 2000, 2500 and 3000) Heat Exchanger Assembly (Models 1750, 2000, 2500 and 3000) See Refractory Ceramic Fibers SEE RFC TILE Warning in WARNING Section "1.D Safety Notes" PARTS LIST ITEM DESCRIPTION 1750 2000 2500 3000 PART NO.
- Page 138 Page 138 Gas Train Assembly (Models 1250 and 1500) CSD-1 Version NOTES: APPLY THREAD SEALANT TO ALL MALE NPT THREADS BEFORE ASSEMBLY O-RINGS INCLUDED WITH GAS VALVE. ITEM 6 FOR USE IN MASSACHUSETS Parts List QTY PART NO. DESCRIPTION ITEM NO. R2004000 SWITCH, HIGH GAS PRESSURE V2028100 GAS VALVE R2085100 O-RING...
- Page 139 Page 139 Gas Train Assembly (Models 1750, 2000, 2500 and 3000) CSD-1 Version NOTES: APPLY THREAD SEALANT TO ALL MALE NPT THREADS BEFORE ASSEMBLY O-RINGS INCLUDED WITH GAS VALVE ITEM 6 FOR USE IN MASSACHUSETS PARTS LIST ITEM 1750-2500 3000 PART NO. DESCRIPTION R2004000 SWITCH, HIGH GAS PRESSURE V2026300...
- Page 140 Page 140 Blower Burner Assembly (Models 1250 and 1500) Parts List ITEM DESCRIPTION 1250 1500 BURNER L2018804 GASKET, BURNER FLANGE S2132900 GASKET, IGNITER-SENSOR S2131900 BACKER PLATE, GASKET, IGNITER-SENSOR 150S5048 IGNITER-FLAME SENSE (includes gaskets and hardware) R2083000 SCREW, 10-32 x 1/2" SHCS, ZINC F2057200 GASKET, BURNER S2131100...
- Page 141 Page 141 Blower Burner Assembly (Models 1750, 2000 and 2500) PART NUMBERS ITEM DESCRIPTION SIZE 1750 SIZE 2000 SIZE 2500 BURNER L2021803 L2021801 L2021801 300S2020 GASKET, BURNER 300S2019 GASKET, ADAPTER FLANGE R2083100 IGNITOR, SPARK, WITH FLAME SENSOR F2057300 SCREW, 8-32 x .375", SHCS, ZINC 400S6904 GASKET, BLOWER OUTLET FLANGE BLOWER, 120V MODELS...
- Page 142 Page 142 Blower Burner Assembly (Model 3000) PART NUMBERS ITEM DESCRIPTION BURNER L2021802 GASKET, BURNER 300S2020 GASKET, ADAPTER FLANGE 300S2019 IGNITOR, SPARK, WITH FLAME SENSOR R2083100 GASKET, BLOWER OUTLET FLANGE 400S6904 BLOWER, 208V MODEL A2133900 BLOWER, 480-600V MODELS A2133901 O-RING, BLOWER 300S5039 MIXER ASSY, FRONT R2084302...
- Page 143 Page 143 AC Distribution Box (Models 1250 and 1500) 220/240V SECONDARY H1 - H4 PRIMARY X1 - X4 208V Bill of Material ITEM 208V 1Ø 220/240V DESCRIPTION PART NO. 1Ø QTY CIRCUIT BREAKER, 7 AMP, PANEL MOUNT E2378600 DIN RAIL ASSY, 208/220/240V 1Ø 300S731702 TRANSFORMER, 208 X 416 PRIM, 120 X 240 SEC, 500 VA, 50/60HZ E2385300...
- Page 144 Page 144 AC Distribution Box, Single Phase (Models 1750, 2000 and 2500) AC Distribution Box, Single Phase (Models 1750, 2000 and 2500) PARTS TABLE AC DISTRIBUTION BOX, 1Ø, MODELS 1750, 2000, AND 2500 ITEM 120V 208V 220/240V DESCRIPTION PART NO. TRANSFORMER, 208 X 416 PRIM, 120 X 240 SEC, 500 VA, 50/60HZ E2385300 TRANSFORMER, 240 X 480 PRIM, 120 X 240 SEC, 500 VA, 50/60HZ...
- Page 145 Page 145 AC Distribution Box, Three Phase (Model 2500) PARTS TABLE AC DISTRIBUTION BOX, 3Ø, MODELS 2500 ITEM 208V 480V 575/600V DESCRIPTION PART NO. FAN, AXIAL, 4-11/16" SQUARE, 1-1/2" DEEP, 115VAC E2376300 TRANSFORMER, 208 X 416 PRIM, 120 X 240 SEC, 500 VA, 50/60HZ E2385300 TRANSFORMER, HPS, SP2000ACP, Prim 600/480V, Sec 120x240 E2382900...
- Page 146 Page 146 AC Distribution Box, (Model 3000) 11 10 PARTS TABLE AC DISTRIBUTION BOX, MODEL 3000 ITEM NO. DESCRIPTION 208V 480V 600V PART NO. TRANSFORMER, HPS, P006QKKF, Prim 600/480V, Sec E2383300 480Y/277V TRANSFORMER, 208 X 416 PRIM, 120 X 240 SEC, 500 VA, E2385300 50/60HZ TRANSFORMER, HPS, SP500ACP, Prim 600/480V, Sec 120x240...
- Page 147 Page 147 Water Outlet Assembly (Models 1250 and 1500) Water Outlet Assembly (Models 1250 and 1500) PARTS LIST ITEM HYDRONIC VOL WAT DESCRIPTION PART NO. PARTS LIST VALVE, SHUT OFF, 3/4" NPT, BRASS R10-143 ITEM HYDRONIC VOL WAT FLOW SWITCH KIT 150S4030 DESCRIPTION PART NO.
- Page 148 If the mark MUST reverse out of a dark background use the PMS® 300 mark, or the black mark. All marks have a white outline. 200 Lafayette St. www.BradfordWhite.com Middleville, MI 49333 Warranty: (800) 531-2111 Litho in U.S.A. © Bradford White 21-02 Document 1472C-BW...
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