OSB 2 SERIES Manual Download Page 1

Part Number 550-110-772/0816

Boiler Manual

Series 2

Oil-Fired Steam Boilers

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..................................................................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

Boiler Manual

Series 2

Oil-Fired Steam Boilers

  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.

 

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.

 

USER 

— Please read the following. Failure to 

comply could result in severe personal injury, 

death or substantial property damage.

• 

This manual is for use only by your qualified 

heating installer/service technician.

•  Please see the User’s Information Manual for your 

reference.

•  Have  the  boiler  serviced  by  a  qualified  service 

technician, at least annually.

  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.

  Hazards  that 

will cause severe personal injury, 

death or substantial property damage.

  Hazards  that 

can cause severe personal injury, 

death or substantial property damage.

Hazard definitions

Summary of Contents for 2 SERIES

Page 1: ...Installation and service certificate found on page 17 INSTALLER Read all instructions before installing Read page 2 first Follow all instructions in proper order to prevent personal injury or death Co...

Page 2: ...t has been under water Im mediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any burner control that has been under water Boiler wate...

Page 3: ...foundation is used Fire can result causing severe personal injury death or substantial property damage Foundation 1 Provide a solid brick or minimum 2 inch thick concrete foundation pad if any of the...

Page 4: ...st 140 sq in per 1 GPH input 1 sq in per 1000 Btu input of all fuel burning appliances plus requirements for any equipment that can pull air from room including clothes dryer and fireplace When outsid...

Page 5: ...level Shim legs if needed 3 Open burner mounting door Verify that chamber ceramic liner is securely in place on target wall chamber floor and burner door Verify door seal is intact and in place Close...

Page 6: ...cturer s instructions when excess draft needs to be relieved or to comply with applicable codes and regulations Use draft gauge to adjust proper opening 5 An induced draft fan for the chimney may be n...

Page 7: ...xtra strong or double strong pipe or connections DO NOT CAP PLUG OR OTHERWISE OBSTRUCT DISCHARGE PIPE OUTLET If discharge is piped upward a condensate drain must be provided in the elbow below the ver...

Page 8: ...arallel flow systems only Figure 7 Recommended piping OSB 6 piping for parallel flow systems only Float type low water cutoff If field installing a float type low water cutoff it must be piped only to...

Page 9: ...ler feed system with a condensate tank and feed pump You will have to install a low water cutoff pump control on the boiler to operate the pump See Low water cutoffs on page 20 and Figure 18 on page 2...

Page 10: ...ion or if state laws or local codes require certain water temperatures at hot water faucets take special precautions Install automatic mixing valve set according to those standards Use lowest practica...

Page 11: ...tandard equipment Burner wiring Burner harness incorporates a disconnect plug providing a convenient way to disconnect wiring when burner mounting door is opened See Figure 11 Wiring entrance The prob...

Page 12: ...12 Part Number 550 110 772 0816 OSB Series 2 Oil Fired Steam Boilers Boiler Manual NOTES this page left intentionally blank...

Page 13: ...OSB Series 2 Oil Fired Steam Boilers Boiler Manual Part Number 550 110 772 0816 13 6 Connect wiring continued Figure 12 Wiring diagram OSB boilers with low water cutoffs...

Page 14: ...threads Do not use Teflon tape as an oil pipe sealant It can cause valves to fail creating hazards Do not use compression fittings only flare fittings Failure to comply could result in severe persona...

Page 15: ...nual makeup water will reduce boiler life Minerals can build up in sections reducing heat transfer and causing cast iron to overheat resulting in section failure Failure to maintain recommended pH and...

Page 16: ...es Make sure burner goes off when control responds to low water condition Burner should re ignite when proper water level is restored 9 Test additional field installed controls If boiler has additiona...

Page 17: ...d _________________________________ Measured Btuh input ____________ Installer _______________________ ______________________________ __________________________________ company address phone _________...

Page 18: ...r a r e l i o b t a h t k c e h C d n a s r o p a v e l b a m m a l f r e h t o d n a e n i l o s a g s l a i r e t a m s d i u q i l 3 o t n o i t c u r t s b o y n a e v o m e r d n a r o f k c e h...

Page 19: ...s intact Visually check condition and position of insulation in combustion chamber floor and the refractories at the rear of boiler and in the burner mounting door Replace any parts as necessary 9 Clo...

Page 20: ...ype low water cutoff for proper operation Remove inspect and clean the low water cutoff at least annually before testing Refer to low water cutoff manufacturer s instructions in envelope assembly prov...

Page 21: ...e with this manual and the instructions on the relief valve tag Failure to comply will expose operator and others to severe personal injury or death Safety relief valves should be reinspected AT LEAST...

Page 22: ...22 Part Number 550 110 772 0816 OSB Series 2 Oil Fired Steam Boilers Boiler Manual 11 Replacement parts Figure 15 Boiler section assembly refractories collector hood and burner door assembly...

Page 23: ...back outlet includes rope and hardware for installation OSB 3 386 700 237WT OSB 4 386 700 238WT OSB 5 386 700 239WT OSB 6 386 700 240WT G Tie rod x 12 1 4 OSB 3 560 234 493WT Tie rod x 15 3 8 OSB 4 56...

Page 24: ...with two 2 3 8 x 1 2 black machine screws 2 Right and left side pieces are shipped as straight pieces Before installing bend about 90 at perforation as shown to form sides and back panels a Secure sid...

Page 25: ...Guage pressure 2 Dia Siphon NPT 180 Brass Nipple close NPT Tee NPT Elbow NPT Honeywell Inc Ametek PA404A1009 P505K 510 312 135WT 510 218 045WT 560 640 698WT 561 326 245WT 561 541 200WT 561 115 335WT...

Page 26: ...mber Supply tapping inches NPT Return tapping inches NPT A Supply riser spacing inches B Combustion chamber depth inches D Jacket depth inches OSB 3 2 1 2 2 13 1 2 16 7 8 OSB 4 2 1 2 2 16 5 8 20 OSB 5...

Page 27: ...45 174 546 131 83 9 7 8 x 8 7 15 14 2 0 015 OSB 6 1 75 210 658 158 83 7 7 8 x 8 7 15 16 0 015 Notes 1 MBH refers to thousands of Btu per hour 2 Base on 140 000 Btu per gallon of oil 3 Based on standar...

Page 28: ...it in a plastic bag for disposal Wash potentially contaminated clothes separately from other clothing Rinse clothes washer thoroughly NIOSH stated First Aid Eye Irrigate immediately Breathing Fresh a...

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