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TWB Series

 

Oil-Fired Hot Water Boilers

 

INSTALLATION INSTRUCTIONS

 These instructions must be affixed on or adjacent to the boiler

Models:

• 

TWB065

• 

TWB075  

• 

TWB100

• 

TWB125

• 

TWB150

• 

TWB175

• 

TWB200

D

E S I G N E D   T O  

L

E A D

Equipped with Hydrolevel 

3250-Plus Control System

 WARNING

Improper installation, adjustment, alteration, service or maintenance can cause property damage, 

injury, or loss of life. For assistance or additional information, consult a qualified installer, service 

agency or the fuel supplier. Read these instructions carefully before installing, operating, or 

servicing this boiler. Keep boiler and any provided component instructions in legible condition and 

posted near boiler for reference by owner and service technician.

980270B Rev 0,  11-20

Crown Boiler Company 

P.O. Box 14818

3633 I Street

Philadelphia, PA  19134

www.crownboiler.com

9902339

Summary of Contents for TWB Series

Page 1: ...e or maintenance can cause property damage injury or loss of life For assistance or additional information consult a qualified installer service agency or the fuel supplier Read these instructions car...

Page 2: ......

Page 3: ...s from this instruction manual Authorities having jurisdiction should be consulted before installations are made are made In all cases reference should be made to the following Standards In all cases...

Page 4: ...least once a year preferably at the start of the heating season The inside of the combustionchamber theventsystemandboilerfluewaysshouldbecleanedifsootorscalehasaccumulated When cleaning this boiler...

Page 5: ...nattended during cold weather unless alarms or other safeguards are in place to prevent such damage DO NOT BLOCK AIR FLOW into or around the boiler Insufficient air may cause the boiler to produce car...

Page 6: ...CSA C22 1 in Canada and any local regulations WARNINGS FOR THE INSTALLER WARNING This boiler must be properly vented The chimney must be inspected for any obstructions and cleaned prior to each heatin...

Page 7: ...IV Field Assembly 8 V Locating the Boiler 11 VI Air for Combustion Ventilation 12 VII Venting 17 VIII System Piping 19 IX Tankless Heater Piping 23 X Fuel Line Piping 24 XI Wiring 27 XII Start Up Chec...

Page 8: ...G CAPACITY 70 80 8 13 5 16 8 NUMBER OF SECTIONS 3 3 3 4 4 22 3 8 10 13 16 7 10 13 16 7 17 3 8 8 5 16 6 8 5 16 6 22 3 8 27 3 8 86 4 86 1 27 3 8 13 5 16 106 129 158 186 80 92 122 148 182 16 0 16 0 16 0...

Page 9: ...boiler sizing guidelines For systems including a Crown Mega Stor indirect water heater size the boiler to have either the Heating Capacity required for the Mega Stor or the Net AHRI Rating required f...

Page 10: ...alve Pipe Fittings Loose Flue Baffles TWB100 Only b The burner carton consisting of the following items Oil Burner assembly complete with cord and nozzle installed This nozzle is for the highest firin...

Page 11: ...the instruction manual envelope and apply it next to the rating plate TABLE 4 0 FIELD ASSEMBLY COMPONENTS BURNER1 BOILER MODEL TWB0652 TWB075 TWB100 TWB125 TWB150 TWB175 TWB200 BECKETT CROWN CARTON PA...

Page 12: ...10 FIGURE 4 1 FIELD INSTALLATION OF FLUE BAFFLES...

Page 13: ...s this clearance is reduced 2 If listed Type L vent is used follow vent pipe manufacturer recommendations for minimum clearances 3 Do not install this boiler directly on a combustible surface Where it...

Page 14: ...sphere have a continuous water vapor retarder with a rating of 1 perm or less with openings gasketed and sealed Weather stripping has been added on openable windows and doors Caulking and sealants are...

Page 15: ...of adjoining spaces only if no doors are installed between them If doors are installed between the boiler room and an adjoining space do not consider the volume of the adjoining space even if the door...

Page 16: ...vers Where screens are used they must be no finer than 4 x 4 mesh For Buildings of Unusually Tight Construction 1 Openings must be installed between the boiler room and the outdoors or a ventilated sp...

Page 17: ...15 FIGURE 6 2 ALLAIR FROM OUTDOORS VIA VENTILATED ATTIC FIGURE 6 3 ALLAIR FROM OUTDOORS USING OPENINGS INTO BOILER ROOM...

Page 18: ...16 FIGURE 6 4 ALLAIR FROM OUTDOORS USING HORIZONTAL DUCTS INTO BOILER ROOM...

Page 19: ...nry Chimney The masonry chimney must be constructed in accordance with the latest edition of Standard for Chimneys Fireplaces Vents and Solid Fuel Burning Appliances NFPA 211 and lined with a clay lin...

Page 20: ...proper clearance from the horizontal vent connector to combustibles and the proper pitch called for in 7 above 9 Vent pipe should be installed above the bottom of the chimney to prevent blockage 10 V...

Page 21: ...appliance operation and service circulator replacement etc Operation of this boiler with continuous return temperatures below 120 F can cause severe heat exchanger corrosion damage Operation of this...

Page 22: ...r manual reset operation see Part XIII for more details 7 Manual Reset High Limit Required by some codes This control is required by ASME CSD 1 and some other codes Install the high limit in the boile...

Page 23: ...21 FIGURE 8 3 BOILER BYPASS PIPING FIGURE 8 2 INDIRECT WATER HEATER BOILER SIDE PIPING...

Page 24: ...her ways to connect low temperature systems to non condensing boilers such as four way mixing valves and variable speed injection pumping systems 4 Systems containing oxygen Many hydronic systems cont...

Page 25: ...stic water service such as the Watts 3L or 53L Note that this is a pressure relief valve not a T P valve Select a valve with a pressure setting less than or equal to the working pressure marked on the...

Page 26: ...CSA B139 04 for installation in Canada Refer also to the instruction manuals provided with the burner WARNING Under no circumstances can copper with sweat style connectors be used Do not use compress...

Page 27: ...to a one pipe gravity system as doing so will result in lower inlet line flow and longer filter life d TWO PIPE LIFT SYSTEM used when a fuel oil storage tank is located below an oil burner fuel pump s...

Page 28: ...uel pump Use heavy wall copper tubing in a continuous run On two pipe systems the return line should terminate 3 4 above suction line depth within the storage tank Refer to the pump manufacturer s ins...

Page 29: ...refully according to the boiler s wiring diagram and instructions Wire additional field supplied safety limits such as low water cutoffs and temperature limit devices in series with the 120V circuit u...

Page 30: ...e upon a call for heat Follow thermostat manufacturer s instructions To insure proper thermostat operation avoid installation in areas of poor air circulation hot spots near any heat source or in dire...

Page 31: ...29 FIGURE 11 0 CONNECTIONS DIAGRAM BOILERS WITH OR LESS TANKLESS HEATER...

Page 32: ...30 FIGURE 11 1 CONNECTIONS DIAGRAM FOR BURNER PRIMARY CONTROLS Carlin 40200 Beckett 7505 Riello 530SE...

Page 33: ...fter prepurge timing has expired if a burner is so equipped Refer to burner instructions for more details 15 Immediately upon firing the boiler check the smoke level If the smoke level is in excess of...

Page 34: ...fter the boiler has operated for approximately 30 minutes check the boiler and heating system for leaks Repair any leaks found at once After the above checks have been completed leave thermostat s at...

Page 35: ...with a CO2 at or below 12 5 TABLE 12 0b CARLIN BURNER CONFIGURATION AND SETUP DATA BURNER MODEL EZ 1HP EZ 1HP EZ 1HP EZ 1HP EZ 1HP EZ 2HP STANDARD DEL DEL HAGO DEL DEL DEL NOZZLE 0 55 70B 0 60 60W 0 8...

Page 36: ...iler water temperature during a call for space heat based on thermostat cycling patterns For additional information see Part B of this section FIGURE 13 0 HYDROSTAT 3250 PLUS CONTROL COMPONENT LAYOUT...

Page 37: ...uel while continuing to provide comfort to the house If the heating system is unable to supply needed heat to the house the ECONOMY Dial should be turned to a lower setting example In a three zone hou...

Page 38: ...as Pro 2 Turn the HI TEMP dial to select feature 2 3 Push the Test Settings Button to c for Celsius or F for Fahrenheit 1 Reset LO TEMP and HI TEMP settings to desired temperatures see page 35 3 Manu...

Page 39: ...on the control s Thermal Targeting feature actively sets varying differentials based on system conditions This option allows for selecting a 10 20 or 30 degree fixed differential when the Economy feat...

Page 40: ...gure 13 3 TABLE 13 2 DEFAULT SETTINGS Dial Setting Feature Options Description Default Setting 1 Thermal Pre Purge Off on Purge Inactive Purge Active Off 2 Fahrenheit or Celsius F c Degrees Fahrenheit...

Page 41: ...iler temperature drops below the differential set point at which point the boiler will be allowed to fire again See Differential explanation on page 37 NOTE This LED illuminates regularly during norma...

Page 42: ...and breeching piping is done in reverse order of removal Make sure canopy is sealed tight to the casting replace ceramic fiber sealing strips as needed All vent piping joints must be flue gas leak fre...

Page 43: ...aks Repair any leaks found immediately 8 Verify operation of relief valve by manually lifting lever replace relief valve immediately if valve fails to relieve pressure 9 Open fuel line shut off valve...

Page 44: ...g sleeved loose fitting clothing 3 Gloves 4 Eye Protection Take steps to assure adequate ventilation Wash all exposed body areas gently with soap and water after contact Wash work clothes separately f...

Page 45: ...as leakage into the building resulting in odor complaints 6 Dirt The use of a fuel filter is required Accidental accumulation of dirt in the fuel system can clog the nozzle or nozzle strainer and prod...

Page 46: ...al this table and flow charts assume that there are no loose or miswired electrical connections Before using these tables inspect all electrical connections on the boiler to make sure that they are ti...

Page 47: ...th the clip contacting the well 2 Remove well and examine for excessive residue build up Clean and re install Boiler will not maintain low limit temperature Check for overlapping high temperature sett...

Page 48: ...Temp Active LED will be on at all times when the control is powered Check for 120 VAC on terminals L1 and L2 YES Is the Red LED LOW WATER On YES NO Is the Yellow LED HI TEMP On YES The Control is Sen...

Page 49: ...echeck wiring Make sure that burner is wired to B1 Burner should never fire when red or yellow LED is lit Is either Yellow LED On The Control has Reached Target or High Limit Temperature The Control i...

Page 50: ...ea 2 ea 14 SWING DOOR 290020 1 ea 1 ea 1 ea 1 ea 1 ea 1 ea 1 ea 15 FLAME INSPECTION COVER 290022 1 ea 1 ea 1 ea 1 ea 1 ea 1 ea 1 ea 16 FLUE BAFFLE 109852 01 2 ea 3 ea 3 ea 4 ea 4 ea 20 1 2 x 1 SEALIN...

Page 51: ...49...

Page 52: ...NER CORD ASSY INCLUDED WITH 60 9602700 60 RIELLO BURNER ASSY NOTE 1 1 ea 130538 130539 RIELLO BURNER CORD ASSY INCLUDED WITH 60 9602701 61 5 16 18 X 1 HEX HD SCW BURNER MOUNT 900410 3 ea 3 ea 3 ea 3 e...

Page 53: ...51...

Page 54: ...52 SERVICE RECORD DATE SERVICE PERFORMED...

Page 55: ...53 Notes...

Page 56: ...54 Manufacturer of Hydronic Heating Products P O Box 14818 3633 I Street Philadelphia PA 19134 www crownboiler com...

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