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Osburn BRITANNIA 31, Installation And Operating Instructions Manual, Page: 35 / 44

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Osburn BRITANNIA 31 Installation And Operating Instructions Manual Download Page 35

 

35

 

3.3.9  B-vent adapter  installation 

 
This unit may be modified for use as a vented room heater, by using the optional B-Vent adapter. The 
following instructions are to be used when using this option. 
 

1.  Remove the B-Vent Adapter Assembly and the Outer Collar from the box. 
2.  Carefully slide the Outer Collar up from the bottom of the B-Vent Draft Diverter (Adapter) 

Assembly (inside flange up), ensuring that the two wires are inside the collar passing through 
the flange notch, to avoid scratching the visible surface. 

3.  Place the adapter on top of the flue outlet, ensuring that the 6" diameter B-Vent Draft Diverter 

(Adapter) is as far down as it will go (it will rest on the bottom of the air inlet portion of the 
stove). 

4.  Run three Teck screws through the outside of the 6 5/8" diameter inlet collar of the stove, and 

into the 6" diameter of the adapter, at convenient locations equally spaced. 

5.  Slide the Outer Collar down to the surface of the unit with the seam to the rear. 

 
NOTE:Failure to do any of the below three items violates the use of the B-Vent Draft Diverter 
(Adapter). 
 

6.  Remove the jumper plug attached to the valve assembly and discard. 
7.  Attach the spill switch plug to the valve. 
8.  Remove the cover plate from the bottom of the firebox floor, 8 hex head screws. 
9.  Install Listed B-Vent pipe. 
10. The drafthood shall be installed in the same atmospheric pressure zone as the combustion air 

inlet to the appliance and shall be located so that the relief opening is accessible for checking 
vent operation. 

 

NOTE: In B-vent installation use a 40% restrictor for any vertical length. 

Air intake cover 

Summary of Contents for BRITANNIA 31

Page 1: ... in the vicinity of this or any other appliance What to do if you smell gas Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualifie...

Page 2: ...s to combustibles 10 3 3 2 Gas line installation 11 3 3 3 Thermostat or wall switch installation 11 3 3 4 Trivet and trim kit installation 13 3 3 5 Vent installation 14 4 0 MAINTENANCE 38 4 1 Maintenance safety 38 4 2 Recommended service 38 4 3 Glass clean 38 4 4 Cleaning of plated surfaces 39 4 5 Burner pilot cleaning 39 4 6 Fan installation 39 5 0 TROUBLE SHOOTING 40 6 0 REPLACEMENT PARTS 42 7 0...

Page 3: ...or Selkirk Direct Temp FAN Variable Speed 120 Volt Variable Speed 120 Volt Not for use with Security 36 snorkel May vary 25 depending on the installations Judgment of installer is required This heating unit must serve as a supplementary heat source An alternative heat source should be available in the home if needed The manufacturer cannot be responsible for additional heating costs associated wit...

Page 4: ...on code CAN CGA B149 1 M86 in Canada The heater when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electric Code ANSI NFPA No 70 1990 in the U S or with the current CSA C22 1 Canadian Electrical Code in Canada In the state of Massachusetts this product can only be installed by a licensed plumber or a licensed gas fitter Fa...

Page 5: ...pliance upon down draft or flue blockage and by design it exhausts to the same pressure zone as the combustion air inlet to the appliance 1 3 Intended use This appliance is intended to be used as a free standing heater In Massachusetts the Britannia 31 may be installed in a bedroom only when used as a direct vent unit sealed combustion no b vent installation in bedroom or bathroom is allowed For o...

Page 6: ... Never obstruct or modify the air inlet outlet grilles of the fireplace in any manner CAUTION Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or contact with hot surfaces Young children should be carefully supervised when they are in the same room as the heater Clothing or other flammable material should not be placed on or near ...

Page 7: ...l electric power to the appliance 4 Controls are accessed by opening the bottom louver 5 Push in gas control knob slightly and turn clockwise to OFF 6 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to the next step 7 Turn control knob counterclockwise pilot p...

Page 8: ...ter clockwise until the switch operates Variable Speed Setting Turn the control to the desired setting When the knob is turned fully clockwise the fan will set to minimum speed Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas controls which have been under wa...

Page 9: ... and should be plugged directly into a properly grounded three prong receptacle Do not cut or remove the grounding prong from this plug WARNING Do not connect 120 VAC to the gas control valve or it s wiring as this will damage the valve 3 2 Unpacking Please check the appliance carefully for any damaged or missing components specifically check the glass condition Report any problems to your dealer ...

Page 10: ...7 1448 mm C Top of unit to ceiling 30 762mm D Side panel to Sidewall 10 254mm E Alcove Depth 48 1219mm F Back of unit to back wall 4 102mm Floor 0 0mm Note Check local codes for floor requirements Corners 4 102mm Note The appliance can be sit directly on a combustible surface provided that it remains stable Although rear clearances is only of 4 102 mm we recommend that a clearance of 6 150 mm be l...

Page 11: ...check manifold pressure at pressure tap located on the front of the control valve see Figure 2 WARNING Do not use an open flame to test for gas leaks 3 3 3 Thermostat or wall switch installation The burner control switch is located under the left side of the decorative ash shelf For your convenience the unit can also be operated by a thermostat or a wall switch control Millivolt thermostats are av...

Page 12: ...2 2 16 1 3 64 19 5 14 1 6 100 30 5 2 Solder an appropriate wire connector to each wire To connect to the burner switch 1 4 female quick connects are required and to connect directly to the valve use spade tongue connectors 3 Check tests can be performed on the valve by referring to the trouble shooting guide Figure 5 ...

Page 13: ... and trim kit installation Note Trivet needs to be in place before installing the vent pipes 3 3 4 1 Trivet installation 1 Install the trivet by locating the tab into the slot on the front trivet support see Figure 1 DETAIL A ...

Page 14: ...5 1 Direct vent The stove must be connected to Simpson GS Dura Vent Security Chimneys International Secure Vent or Selkirk Direct Temp 4 x 6 5 8 venting not for use with Security 36 snorkel Install the vent components according to the manufacturer s instructions Use a maximum of five 90 degree elbows Slope horizontal pipe at least 1 4 6 mm rise per foot of horizontal run Allow 2 50 mm clearance to...

Page 15: ...ntal length Wall thimble Horizontal termination cap A rear vent system consists of Note no elbows allowed 0 24 610mm of horizontal length A wall thimble 36 Vent Snorkel 981 Simpson Dura Vent not for use with Security 36 snorkel For vertical termination The maximum vertical system consists of Up to 40 12192 mm of vertical length A maximum of 5 90 elbows A maximum of 20 6096 mm total horizontal leng...

Page 16: ...16 3 3 5 2 Typical chimney installation Vent terminals shall not be recessed into a wall or siding Figure 7 VENT SNORKEL ...

Page 17: ...ll vertical sections in feet H Value Total length of all horizontal sections in feet Example 1 V Value V1 4 V2 3 7 H Value H1 2 H2 2 4 NOTES a for H V values of 45 venting see Chart IV b elbows are not counted in H or V values c vent chart starts from the top of the unit ...

Page 18: ...1 2 H2 2 H3 2 H4 2 H5 1 9 V Value Total length of all vertical sections in feet H Value Total length of horizontal sections in feet NOTE a for H V values for 45 venting see Chart IV b elbows are not counted in H or V values c vent chart starts from the top of the unit ...

Page 19: ...m outdoors and not through the vent joints Use a sealing product available from your local Osburn dealer on the inner pipe joint applying the sealant around the outside of the male part of the vent A bead of silicone should be used on the outside of the joint after assembly to seal the supply air WARNING A minimum clearance to combustibles must be maintained around the vent pipe of 2 on horizontal...

Page 20: ...nstalled by removing the firebox baffle then the 2 screws on the ceiling of the firebox place the desired restrictor in place and using the screws fasten the restrictor to the firebox ceiling Return the firebox baffle after installing the restrictor Restrictor ...

Page 21: ...21 Vent restrictor continued ...

Page 22: ...22 Vent restrictor continued ...

Page 23: ...al between the standoff and the terminal Attach the terminal to the exterior wall using four wood screws through the holes in the corner of the vent terminal Complete the terminal installation apply a bead of mastic around the outer edge of the vinyl standoff With the termination installed you can now connect the completed vent assembly by sliding the unit back towards the wall and carefully inser...

Page 24: ... maximum allowable vertical and horizontal allowable installations When planning your installation determine if ceiling joists roof rafters or other framing will obstruct the vent system You may have to use 45 elbows to navigate around any obstacles When passing through a flat ceiling install a Box Wall thimble Cut a 10 square hole and frame as shown in the diagram opposite Ensure all pipe section...

Page 25: ...te heat shield protection is provided Termination above Roof Consult local codes for minimum vent cap height above the roof X To prevent water seepage install the flashing with upper portion slid under the roofing material and the lower portion over the roofing material Note do not fasten down until the final adjustments to the vent have been made ...

Page 26: ...ithin 36 914 mm horizontally from the centre line of the regulator I clearance to service regulator vent outlet 72 1829 mm minimum J clearance to non mechanical air supply inlet to building or the combustion air inlet to any other appliance 12 305 mm minimum K clearance to a mechanical air supply inlet 72 1829 mm minimum L clearance above paved side walk or a paved driveway located on public prope...

Page 27: ...or by downloading this owner s manual via Osburn web site at www osburn mfg com Step 1 Place the rear log at the far end of the firebox and move it back slightly toward the front until it is blocked by the stoppers located at each end of the burner Step 2 Place the smallest log on the pin located on the burner tray ...

Page 28: ...28 Installing Logs continued Step 3 Place the intermediate right log on the pins on the burner tray Step 4 Place the front right log on the pins located on the burner tray ...

Page 29: ...29 Installing Logs continued Step 5 Place the front middle log on the pin located on the burner tray Step 6 Place the Y intermediate left log on the pin located on the burner tray ...

Page 30: ...s hinged on the left side insert door hinges on door onto door pins on unit and swing shut fasten the latch to secure the door Removal is reverse order Warning Do not operate the appliance with the glass front removed cracked or broken Replacement of the glass should be done by a licensed qualified service person ...

Page 31: ...e off some odor It is important to ventilate the house during these initial burns We advise removing young children elderly persons and anyone suffering from breathing disorders or are sensitive to oxygen imbalances from the area while this process is occurring NOTE It is normal for the appliance to expand and contract while it heats up or cools down whether this is from a cold start or a steady s...

Page 32: ...the pilot and main burner flames must be steady and not lifting off or floating The top 3 8 1 2 10 13mm of the thermopile should be engulfed by the pilot flame The pilot flame adjustment should be performed by a qualified service person only To adjust the pilot flame turn the pilot adjustment screw counter clockwise to increase and clockwise to decrease the flame Ensure that the pilot flame comple...

Page 33: ...o gain access to the primary air adjustment lever open front pedestal door and remove the control panel cover Loosen the lever set nut sliding the lever to the rear increases aeration which will cause the flames to appear more transparent and blue making the ceramic logs glow more Sliding the lever to the front decreases aeration and will cause the flames to appear more yellow or orange making the...

Page 34: ...oor remove the logs remove the 2 burner mounting screws see below and lift the burner out of the unit When re installing the burner note that there is a small spring which fits over the orifice then has the air shutter placed on the orifice these 2 items must be in place before the burner mixing tube is reinserted onto the orifice ...

Page 35: ...tion of the stove 4 Run three Teck screws through the outside of the 6 5 8 diameter inlet collar of the stove and into the 6 diameter of the adapter at convenient locations equally spaced 5 Slide the Outer Collar down to the surface of the unit with the seam to the rear NOTE Failure to do any of the below three items violates the use of the B Vent Draft Diverter Adapter 6 Remove the jumper plug at...

Page 36: ...xhaust fans in the home 3 Light the heater to the full fire position 4 After five to ten minutes insert a match inside a draft duct opening and ensure that the flame wisps and smoke are drawn into the duct at the front corner see Figure 9 5 If the flame wisps are not drawn into the ducts see figure 10 turn the heater off and determine the cause of the lack of draft Do not operate the heater until ...

Page 37: ...existing burner orifice with a smaller size for installations over 4500 feet 1372m The appliances input should be reduced 4 for each additional 1000 feet 305m above sea level For the USA de rate the heater from sea level according to the gas installation code Orifice Chart for High Altitude Installations Altitude NATURAL GAS Orifice Size PROPANE GAS Orifice Size 0 4 500 ft 0 1372 m 36 52 4 500 6 5...

Page 38: ...TE Safety screens removed for service must be replaced prior to operating the heater Annual service An annual service call should take between 1 2 hours Start by disassembling the unit take off the glass and remove all the logs embers burner and fan A small toothbrush is a handy tool for cleaning the fan Loosen all the debris on the fan blades and vacuum it off Vacuum the whole firebox and all the...

Page 39: ...check that the burner orifice is clean Visually inspect the pilot Brush or blow away any dust lint or foreign debris If the pilot orifice is plugged disassembly may be required to remove any foreign material from the orifice or tubing When the appliance is back in service check the pilot flame pattern with the figures in Section 3 3 6 For re lighting refer to the lighting instructions in Section 2...

Page 40: ...nnect all gas lines 5 Low pressure may be caused by bent line 5 Check for a kinked line 6 Valve control knob not fully depressed in PILOT position 6 Fully depress control knob II Pilot will not stay lit after following the lighting instructions A Thermocouple Valve 1 Weak or improperly located pilot flame 1 Adjust and clean pilot The flame must impinge on or engulf the thermocouple as shown on pag...

Page 41: ...ge is still insufficient replace thermopile 9 Wall switch thermostat or wires are defective 9 Follow previous corrective action check switch and wiring Replace where defective 10 Defective spill switch B Vent 10 Check continuity and replace if defective 1 Flame impingement on logs 1 Adjust the log set to avoid direct flame impingement Follow log placement instructions IV Soot deposits on glass 2 I...

Page 42: ...The following information s will be asked for the model name Britannia 31 the type of gas used serial number and proof of purchase The damaged parts must be replaced by Osburn genuine parts You can consult the spare parts list on our website at www osburn mfg com or contact your Osburn dealer ...

Page 43: ... 3 Remove 4 screws and take off 45 collar Be careful not to damage the adjoining gasket 4 Turn collar to rear facing position and replace screws ensure gasket is lined up properly If the unit has been previously fired the gasket must be replaced The old gasket must be removed and the surface must be cleaned 5 Replace the stove top and flip the trivet around and install as a rear vent trivet 6 Conv...

Page 44: ... are based on predetermined rate schedule and must not exceed the wholesale price of the replacement part All labour and freight costs covered by this warranty are limited according to the table below The manufacturer at its discretion may decide to repair or replace any part or unit after inspection and investigation of the defect The manufacturer may at its discretion fully discharge all obligat...

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