Table of Contents
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Hazards that will cause severe personal injury,
death or substantial property damage.
Hazards that can cause severe personal injury,
death or substantial property damage.
INSTALLER - Read all instructions before
installing. Read page 2 first. Follow all instructions
in proper order to prevent personal injury or
death.
• Consider piping and installation when determining
boiler location.
• Any claims for damage or shortage in shipment
must be filed immediately against the transportation
company by the consignee.
This manual must only be used by a qualified heating installer/service technician. Boiler and burner must be installed
and serviced only by a qualified heating installer/service technician. Failure to comply could result in severe personal
injury, death or substantial property damage.
When calling or writing about the boiler- Please have: • boiler model number from the boiler rating label and
• CP number from the boiler jacket. You may list the CP number in the space provided on the "Installation and service
certificate" found on page 16.
Series 2
Oil-Fired Water Boilers
Boiler Manual
Contents
1 Prepare boiler location ....................................................... 2
2 Prepare boiler ..................................................................... 5
3 Connect breeching ............................................................. 5
4 Connect water piping .......................................................... 7
5 Connect tankless heater piping ........................................ 10
6 Connect wiring.................................................................. 11
7 Connect oil piping ............................................................. 14
8 Start-up ............................................................................ 15
9 Checkout procedure ......................................................... 16
10 Appendix .......................................................................... 17
11 Service and maintenance ................................................. 18
12 Replacement parts ........................................................... 22
13 Dimensions ....................................................................... 26
14 Ratings ............................................................................. 27
Hazard definitions
• This manual is for use only by your qualified
• Please see the User's Information Manual for your
• Have the boiler serviced by a qualified service
Hazards that will or can cause minor personal
injury or property damage.
Special instructions on installation, operation or
maintenance that are important but not related to
personal injury or property damage.
USER - Please read the following. Failure to
comply could result in severe personal injury,
death or substantial property damage.
heating installer/service technician.
reference.
technician, at least annually.
Part Number 550-110-832/1014
Page
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Table of Contents
Related Manuals for Williamson OWB Series 2
Summary of Contents for Williamson OWB Series 2
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Page 1: Table Of Contents
Series 2 Oil-Fired Water Boilers Boiler Manual Contents Page 1 Prepare boiler location ............2 2 Prepare boiler ..............5 3 Connect breeching ............. 5 4 Connect water piping ............7 5 Connect tankless heater piping ........10 6 Connect wiring..............11 7 Connect oil piping ............. -
Page 2: Prepare Boiler Location
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual Read this first! 1 Prepare boiler location Codes & checklist Failure to adhere to the guidelines below can result in severe personal injury, death or substantial property damage. Installations must follow these codes: •... -
Page 3: Flooring And Foundation
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 1 Prepare boiler location Clearances Flooring and foundation Flooring Minimum clearance to combustible materials The OWB and OWT boilers are approved for installation on 1. Minimum clearances from vent pipe to combustible material combustible flooring, but must never be installed on carpeting. - Page 4 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 1 Prepare boiler location continued Air for combustion and ventilation Air contamination Please review the following information on potential combustion Adequate combustion and ventilation air: air contamination problems. • Assures proper combustion. See Table 2 for products and areas which may cause contaminated •...
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Page 5: Prepare Boiler
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 2 Prepare boiler 3 Connect breeching Place boiler General venting requirements The boiler contains ceramic fiber and fiberglass Failure to follow all instructions can result in flue gas materials. Use care when handling these materials spillage and carbon monoxide emissions, causing per instructions on page 21 of this manual. - Page 6 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 3 Connect breeching Figure 2b Connect breeching Top outlet breeching connection (only with optional “Top Vent Service Kit” ). Long horizontal breechings, excessive number of tees and elbows, or other obstructions restricting Typical location for combustion gas flow can result in possibility Barometric Control...
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Page 7: Connect Water Piping
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 4 Connect water piping General Near-boiler piping continued Table 4 Water pipe size (based on 20 °F rise) If installation is to comply with ASME an additional high temperature limit is needed. Install control in supply piping between boiler and isolation valve. - Page 8 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 4 Connect water piping continued Figure 3 Diaphragm- or bladder-type expansion Use Figure 3 or Figure 4 only for systems designed tank: for return water at least 130 °F. For systems with Piping to single-zone system using low return water temperature possible, such as diaphragm-type or bladder-type expansion...
- Page 9 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 4 Connect water piping continued Near-boiler piping continued Figure 6 Figure 7 System bypass piping in boiler loop with Boiler bypass piping — use only for high separate system circulator, using primary/ water content systems —DO NOT use for secondary piping.
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Page 10: Connect Tankless Heater Piping
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 5 Connect tankless heater piping (OWT boilers only) Hot water can scald! Pipe tankless heater • Consumer Product Safety Commission and some 1. Size piping no smaller than tankless heater inlet and outlet. states recommend domestic hot water temperature 2. -
Page 11: Connect Wiring
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 6 Connect wiring Electric shock hazard. Can cause severe personal injury or death if power source, including service Figure 9 Electrical components and harnesses switch on boiler, is not disconnected before install- ing or servicing. - Page 12 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual NOTES This page left intentionally blank. Part Number 550-110-832/1014...
- Page 13 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 6 Connect wiring continued Figure 10 Wiring diagram — OWB and OWT boilers Part Number 550-110-832/1014...
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Page 14: Connect Oil Piping
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 7 Connect oil piping General oil piping requirements Oil piping connection at burner • Location and installation of oil tanks, oil piping and burners • See Figure 11 for typical oil connection at burner, allowing must follow: burner mounting door to swing open completely for servicing. -
Page 15: Start-Up
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 8 Start-up • When using antifreeze: Follow information below to prevent severe personal Do not use automotive, ethylene glycol, undiluted or injury, death or substantial property damage: petroleum-based antifreeze. Severe personal injury, •... -
Page 16: Checkout Procedure
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 9 Checkout procedure Check off steps as completed ❑ ❑ Boiler and heat distribution units filled with water? Limit control set to system temperature requirements (maximum 220 °F)? ❑ Automatic air vent, if used, opened one full turn? ❑... -
Page 17: Appendix
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 10 Appendix Figure 13 Minimum vent clearances Close clearance installation To provide close clearances as described on this page, obtain Close Clearance Kit Part Number 386-500-050WT and install as described below. Failure to use kit or install as described can result in a fire hazard, causing severe personal injury, death or substantial property damage. -
Page 18: Service And Maintenance
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 11 Service and maintenance Annual service and start-up Follow the “Service and maintenance” procedures given throughout this manual and in component literature shipped with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system. Failure to follow the directions in this manual and component literature could result in severe personal injury, death or substantial property damage. -
Page 19: Cleaning Boiler Flueways
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 11 Service and maintenance continued Cleaning boiler flueways Figure 15 Cleaning boiler flueways — Thoroughly The boiler contains ceramic fiber and fiberglass clean flueways between all pins at all materials. -
Page 20: Fill The System
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 11 Service and maintenance continued Fill the system: Annual service Boiler relief valve 1. Close manual and automatic air vents and drain cock. 1. Inspect the relief valve and lift the lever to verify flow as in the 2. -
Page 21: Handling Ceramic Fiber And Fiberglass Materials
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 11 Service and maintenance continued Handling ceramic fiber and fiberglass materials REMOVAL OF COMBUSTION CHAMBER LINING OR BASE PANELS The combustion chamber lining or base insulation panels in this product contain ceramic fiber materials. Ceramic fibers can be converted to cristobalite in very high temperature applications. -
Page 22: Replacement Parts
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 12 Replacement parts Figure 16 Boiler section assembly, refractories, collector hood and burner door assembly Part Number 550-110-832/1014... - Page 23 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 12 Replacement parts continued Table 6 Parts list for Figure 16 Figure Description Boiler model Part number number number Front section, number 7122 All OWB 316-700-323WT Front section with tankless heater opening, number 7123 All OWT 316-700-320WT Intermediate regular section, number 7015...
- Page 24 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 12 Replacement parts continued Figure 17 Jacket parts, top vent kits and replacement instructions The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions on page 21 of this manual. Failure to comply could result in severe personal injury.
- Page 25 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 12 Replacement parts continued Figure 18 Trim and controls Description Manufacturer Part number Item Manufacturer’s number Part number Pressure relief valve, ASME, 30 PSIG, ¾” male inlet Watts M330 511-546-920WT Hydrolevel 3150...
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Page 26: Dimensions
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 13 Dimensions Figure 19 Dimensional drawing — ALL DIMENSIONS IN INCHES Boiler Supply Return “B” “D” model tapping tapping Combustion chamber Jacket depth number depth (inches) (inches NPT) (inches NPT) (inches) OWB/OWT-3 1-1/2... -
Page 27: Ratings
OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 14 Ratings ® AHRI Certified Ratings Boiler Flue Draft Heating Seasonal Minimum Burner Input Rating Water Outlet Loss Boiler Capacity Efficiency Chimney (water) Thru boiler Content Diameter Model AFUE Gallons Inches Rect... - Page 28 OWB & OWT Series 2 Oil-Fired Water Boilers – Boiler Manual 8201 W. Calumet Rd. Milwaukee, WI 53223 Part Number 550-110-832/1014...
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