OSB 2 SERIES Manual

Oil-fired steam boilers

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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 17.

Series 2

Oil-Fired Steam Boilers

Boiler Manual

Contents

1 Prepare boiler location ....................................................... 2

2 Prepare boiler ..................................................................... 5

3 Connect breeching ............................................................. 5

4 Connect steam piping ......................................................... 7

5 Connect tankless heater piping, if used ........................... 10

6 Connect wiring.................................................................. 11

7 Connect oil piping ............................................................. 14

8 Start-up ............................................................................ 15

9 Checkout procedure ......................................................... 16

10 Service and maintenance ................................................. 18

11 Replacement parts ........................................................... 22

12 Dimensions ....................................................................... 26

13 Ratings ............................................................................. 27

Hazard definitions

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.

• 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

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 550-110-772/0816

Page

Table of Contents

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Summary of Contents for OSB 2 SERIES

Page 1: Table Of Contents
Series 2 Series 2 Oil-Fired Steam Boilers Oil-Fired Steam Boilers Boiler Manual Boiler Manual Contents Page 1 Prepare boiler location ............2 2 Prepare boiler ..............5 3 Connect breeching ............. 5 4 Connect steam piping ............7 5 Connect tankless heater piping, if used ......10 6 Connect wiring..............
Page 2: Prepare Boiler Location
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual Read this first! 1 Prepare boiler location Failure to adhere to the guidelines below can result in severe personal injury, death or substantial property Codes & checklist damage. When servicing boiler —...
Page 3: Flooring And Foundation
Flooring Minimum clearance to combustible materials 1. Minimum clearances from vent pipe to combustible material The OSB boiler is approved for installation on combustible flooring, (see Figure 1, vent clearances indicated with “*”): but must never be installed on carpeting.
Page 4 OSB Series 2 Oil-Fired Steam 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.
Page 5: Prepare Boiler
• The OSB boilers are designed to operate with an over-fire 2. Check level. Shim legs if needed. draft of -0.01” to -0.02” w.c. Proper draft for these oil boilers may be achieved using either a conventional chimney (natural 3.
Page 6 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 3 Connect breeching Connect breeching Figure 2a Standard back outlet chimney and breeching connections Long horizontal breechings, excessive number of tees and elbows, or other obstructions restricting combustion gas flow can result in possibility...
Page 7: Connect Steam Piping
See Figures 4 and 5, page 8, for recommended piping of boiler sizes If installation is to comply with special codes, additional limit OSB-3, -4 and -5. See Figures 6 and 7, page 8, for recommended controls may be required. If installing a float-type low water cutoff, piping of OSB-6 boilers.These piping recommendations apply only...
Page 8 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 4 Connect steam piping continued Figure 4 Recommended piping, OSB-3, -4 and -5, Figure 5 Recommended piping, OSB-3, -4 and -5, piping for parallel-flow systems only piping for parallel-flow systems only...
Page 9 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 4 Connect steam piping continued Condensate return Table 5 Reservoir pipe sizing Modern steam boilers are designed to steam for less time than Boiler Time from initial steaming to average condensate return older, larger boilers.
Page 10: Connect Tankless Heater Piping, If Used
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 5 Connect tankless heater piping, if used Hot water can scald! Pipe tankless heater • Consumer Product Safety Commission and some 1. Size piping no smaller than tankless heater inlet and outlet.
Page 11: Connect Wiring
High Temperature Limit connections for all boiler components. • Boilers have harnesses furnished. See Figure 12, page 13, (OSB boilers with low water cutoffs) for factory and field wiring Installation requirements. information. • All field-installed high voltage wiring must be sheathed in metal conduit.
Page 12 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual NOTES this page left intentionally blank. Part Number 550-110-772/0816...
Page 13 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 6 Connect wiring continued Figure 12 Wiring diagram — OSB boilers with low water cutoffs Part Number 550-110-772/0816...
Page 14: Connect Oil Piping
OSB Series 2 Oil-Fired Steam 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 13 for typical oil connection at burner, allowing must follow: burner mounting door to swing open completely for servicing.
Page 15: Start-Up
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 8 Start-up Do not use petroleum-based compounds in boiler Follow information below to prevent severe personal system. Damage to system components can result, injury, death or substantial property damage: causing property damage.
Page 16: Checkout Procedure
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 9 Checkout procedure Check off steps as completed ❑ ❑ Boiler properly filled with water? Test additional field-installed controls: If boiler has additional operating control or other controls, test for ❑...
Page 17: Installation And Service Certificate
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 9 Checkout procedure continued Installation and service certificate Boiler model Series _______________________________________________________________ ____________ CP number Date installed _______________________________________ _________________________________  Installation instructions have been followed.  Checkout sequence has been performed.
Page 18: Service And Maintenance
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 10 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
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 10 Service and maintenance continued Cleaning boiler flueways Figure 14 Cleaning boiler flueways — Thoroughly The boiler contains ceramic fiber and fiberglass clean flueways between all pins at all materials. Use care when handling these materials angles.
Page 20: Limit Controls
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 10 Service and maintenance continued ❏ Service..❏ Check/test..Gauge glass Low water cutoffs Probe-type low water cutoff (see below) Normal waterline is halfway up gauge glass.
Page 21: Annual Service
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 10 Service and maintenance continued Before operating boiler: Annual service Boiler relief valve 1. Follow steps under “Fill the system”, page 15. 2. Follow steps under “Tips for steam systems”, page 15.
Page 22: Replacement Parts
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 11 Replacement parts Figure 15 Boiler section assembly, refractories, collector hood and burner door assembly Part Number 550-110-772/0816...
Page 23 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 11 Replacement parts continued Table 8 Parts list for Figure 15 Figure Description Boiler model Part number number number Wide front section, number 7121 316-700-326WT Intermediate section, number 7015 316-700-065WT Back section, number 7027 (steam, no top tapping) OSB-3, -4, &...
Page 24 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 11 Replacement parts continued Figure 16 Jacket parts and replacement instructions The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions on page 28 of this manual. Failure to comply could result in severe personal injury.
Page 25 OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 11 Replacement parts continued Figure 17 Trim and controls Description Manufacturer Manufacturer’s Part number Item number Part number Pressure safety valve, ASME, 30 PSIG, ¾ NPT Conbraco 13-511-08 511-548-023WT (Fittings shown are inncluded --- Ell ¾ NPT, Nipple ¾ NPT...
Page 26: Dimensions
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 12 Dimensions Figure 18 Dimensional drawing — ALL DIMENSIONS IN INCHES Boiler Supply Return “B” “D” “A” model tapping tapping Combustion chamber Jacket depth Supply riser spacing (inches) number (inches NPT)
Page 27: Ratings
Ratings are based on a piping and pickup allowance of 1.333. An additional allowance should be made for unusual piping and pickup loads. 5. See page 6 for minimum breeching diameter. 6. Listed draft losses are for factory-shipped settings. 7. OSB boilers are ASME rated for 50 psig working pressure. Part Number 550-110-772/0816...
Page 28: Handling Ceramic Fiber And Fiberglass Materials
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual 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. The International Agency for Research on Cancer (IARC) has concluded, “Crystalline silica inhaled in the form of quartz or cristobalite from occupational...