Williamson OWB Series 2 User Manual Download Page 23

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Part Number 550-110-832/1014

OWB & OWT

Series 2

Oil-Fired Water Boilers –

Boiler Manual

Table 6 Parts list for Figure 16

12 Replacement parts

continued

Figure

number

Description

Boiler model

number

Part 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

All

316-700-065WT

Back section, number 7027

All

316-700-309WT

Section replacement kit, front or back section

(for 1 joint, includes seals, rope, adhesive and collector hood hardware)

All

386-700-852WT

Section replacement kit, intermediate section

(for 2 joints, includes seals, rope and adhesive)

All

386-700-851WT

Section assembly complete

OWB-3

326-700-400WT

OWB-4

326-700-401WT

OWB-5

326-700-402WT

OWB-6

326-700-403WT

OWT-3

326-700-404WT

OWT-4

326-700-405WT

OWT-5

326-700-406WT

OWT-6

326-700-407WT

Standard Collector hood kit for back outlet

(includes rope and hardware for installation)

OWB/OWT-3

386-700-241WT

OWB/OWT-4

386-700-242WT

OWB/OWT-5

386-700-243WT

OWB/OWT-6

386-700-244WT

Tie rod ½ x 10-¾"

OWB/OWT-3

560-234-491WT

Tie rod ½ x 14"

OWB/OWT-4

560-234-470WT

Tie rod ½ x 17"

OWB/OWT-5

560-234-472WT

Tie rod ½ x 20"

OWB/OWT-6

560-234-534WT

Combustion chamber kit

(rear and front refractory, door refractory blanket and water glass)

All

386-700-836WT

Burner mounting door assembly

(door, observation port, rope, insulation and pins)

All

343-500-546WT

Burner mounting door, number 7171

All

330-054-305WT

Door hinge, number 7054

All

330-054-300WT

Door refractory

All

592-400-028WT

Door refractory blanket

All

591-222-115WT

Observation port shutter

All

460-039-867WT

Door seal rope 5 feet

All

590-735-105WT

Glass rope 3/8" for collector hood (7 feet for largest size hood)

All

590-735-109WT

Heater cover plate carton (cover plate, gasket, studs and nuts)

All

386-700-360WT

Tankless heater kit (heater, gasket, studs and nuts)

OWT-3 (heater model WT-11)

OWT-4 through OWT-6 (heater model WT-14)

OWT-3

OWT-4, -5 & -6

590-921-599WT

590-921-612WT

Flue brush, 123D

All

591-706-214WT

Summary of Contents for OWB Series 2

Page 1: ...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 writin...

Page 2: ...air to boiler 4 Should overheating occur do not turn off or disconnect electrical supply to circulator Instead shut off the oil supply at a location external to the appliance if possible 5 Do not use...

Page 3: ...r be installed on carpeting Do not install boiler on carpeting even if foundation is used Fire can result causing severe personal injury death or substantial property damage Foundation 1 Provide a sol...

Page 4: ...east 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 outs...

Page 5: ...ndensation in chimney Place boiler 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...

Page 6: ...ize Minimum chimney height Rectangle Note 2 Round OWB OWT 3 5 8 x 8 6 15 OWB OWT 4 6 8 x 8 6 15 OWB OWT 5 6 8 x 8 7 15 OWB OWT 6 7 8 x 8 7 15 Notes 1 Flue collar on boiler is 7 00 diameter 2 6 3 4 x 6...

Page 7: ...burns should the valve discharge Discharge line must be as short as possible and be the same size as the valve discharge connection throughout its entire length Discharge line must pitch downward from...

Page 8: ...lation and Piping Guides If boiler is connected to heating coils located in air handling units where they can be exposed to refrigerated air use flow control valves or other automatic means to prevent...

Page 9: ...t systems such as converted gravity systems 2 The bypass arrangement shown protects the boiler from damage caused by condensate corrosion due to low return water temperature This method does not provi...

Page 10: ...andard Plumbing Code provided that Boiler water including additives is practically nontoxic having toxicity rating or class of 1 as listed in Clinical Toxicology of Commercial Products Boiler water pr...

Page 11: ...ams shown in this manual give settings for standard equipment Burner wiring Burner harness incorporates a disconnect plug providing a convenient way to disconnect wiring when burner mounting door is o...

Page 12: ...12 Part Number 550 110 832 1014 OWB OWT Series 2 Oil Fired Water Boilers Boiler Manual NOTES This page left intentionally blank...

Page 13: ...13 Part Number 550 110 832 1014 OWB OWT Series 2 Oil Fired Water Boilers Boiler Manual Figure 10 Wiring diagram OWB and OWT boilers 6 Connect wiring continued 4...

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

Page 15: ...When using antifreeze Do not use automotive ethylene glycol undiluted or petroleum based antifreeze Severe personal injury death or substantial property damage can result Use antifreeze especially mad...

Page 16: ...t 7 Test limit control While burner is operating move indicator on limit control below actual boiler water temperature Burner should go off while circulator continues to operate Raise setting on limit...

Page 17: ...earances described above 2 Install barometric control 18 to 20 inches from boiler in breeching 3 Attach manual reset temperature switch near upper surface of enclosed area See Figure 12 4 Wire switch...

Page 18: ...t a m s d i u q i l 2 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 C r e l i o b o t w o l f r i a n o i t a l i t n e v d n a n o i t s u b m o c 3 r o f t n e v r o y e n m i h c...

Page 19: ...ler use a wire flue brush to thoroughly clean between all pins at all angles Be careful not to damage side walls of rear refractory 6 Move to the bottom of the flueways and clean up between the sectio...

Page 20: ...Read manual Section 4 page 7 before proceeding further Safety relief valves should be reinspected AT LEAST ONCE EVERYTHREEYEARS by a licensed plumb ing contractor or authorized inspection agency to en...

Page 21: ...h potentially contaminated clothes separately from other clothing Rinse clothes washer thoroughly NIOSH stated First Aid Eye Irrigate immediately Breathing Fresh air REMOVAL OF FIBERGLASS WOOL OR INST...

Page 22: ...22 Part Number 550 110 832 1014 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...

Page 23: ...let includes rope and hardware for installation OWB OWT 3 386 700 241WT OWB OWT 4 386 700 242WT OWB OWT 5 386 700 243WT OWB OWT 6 386 700 244WT G Tie rod x 10 OWB OWT 3 560 234 491WT Tie rod x 14 OWB...

Page 24: ...2 1 4 x 1 2 self tapping screws 1 Start upper screw in boiler section Do not tighten 2 Slip keyhole opening in back panels behind screw 3 Install lower screw and tighten both screws c Install top pan...

Page 25: ...07 511 405 113WT 5 Circulator gasket universal 2 per boiler 590 317 535WT Circulator hardware kit includes 2 flanges 4 nuts 4 bolts 1 nipple 1 ell 1 NPT OWB OWT 3 OWB OWT 4 1 NPT OWB OWT 5 OWB OWT 6 3...

Page 26: ...Dimensional drawing ALL DIMENSIONS IN INCHES Boiler model number Supply tapping inches NPT Return tapping inches NPT B Combustion chamber depth inches D Jacket depth inches OWB OWT 3 1 1 2 1 1 2 10 1...

Page 27: ...10 OWB OWT5 T S2 1 45 203 175 85 0 152 15 9 7 8 x 8 7 15 0 015 OWB OWT6 T S2 1 40 196 171 86 0 149 18 4 7 8 x 8 7 15 0 010 OWB OWT6 T S2 1 75 245 212 85 0 184 18 4 7 8 x 8 7 15 0 015 Notes 1 MBH refer...

Page 28: ...Part Number 550 110 832 1014 OWB OWT Series 2 Oil Fired Water Boilers Boiler Manual W T 8201 W Calumet Rd Milwaukee WI 53223 28...

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