Gas & Wood 2200 Owner's Manual
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Contents
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/173.5 Maintaining The FireYour Osburn insert will work best if a thick bed of hot embers is maintained in the bottom of thefirebox, and a minimum of two large pieces of seasoned fuel are added. Combustion efficiency islargely related to establishing a hot ember bed, and hot firebox temperatures. The quicker the insertand fuel get up to operating temperature, the better. A small intense fire is preferred to a largesmouldering fire, both to improve combustion efficiency and to reduce the amount of creosote emitted.The best performance will be achieved by adding relatively small amounts of fuel to a wellestablished ember bed, and then operating with the air inlet control open long enough to achieve a hotfire. Cordwood should be placed with air in between individual pieces. Use a poker to make an airchannel in the embers below the wood, this will allow air to flow under the wood for a more efficientburn.Extended burn times can be accomplished by first operating the insert on a full load with the air inletcontrols wide open. Once the fire is well established, and the moisture has been driven out of thewood, reduce the air control to a lower setting. The unit should then burn cleanly withoutsmouldering. If the fire smoulders without flame, re-establish a hotter fire before moving the aircontrol to the lower setting. A yellow flame burning in the top of the firebox is a good indication of aclean efficiently burning fire.Refuelling technique is important for good performance. The best efficiency and performance fromyour insert can be achieved by adding partial loads of fuel and allowing them to get up to operatingtemperature before adding additional fuel. Adding a large amount of fuel at one time will increase thetime required to get the fuel up to its ignition temperature, and an extended time to reach optimalperformance. When refuelling, open the air control or hold the door partially open 1” (25 mm) or less,long enough (less than 5 minutes) so that the fire has well established flames. When refuelling, care isrequired to ensure that fuel or embers do not fall out of the door opening. The unit will burn at about2.0 to 2.5 lb/hr (.9 to 1.1kg/hr) at its minimum setting; approximately 20 to 25 lbs (9 to 11.3kg) ofwood are required for an extended burn.3.6 Fan Operation1. Allow the insert to reach operating temperature (approximately one hour), before turning on thefan, since increased airflow from the fan will remove heat and affect the start-up combustionefficiency.NOTE: ENSURE T HE FAN CORD IS NOT IN CONTACT W ITH ANY S URFACE OF T HE INSERT T O P REVENTELECTRICAL S HOCK OR FIRE DAMAGE. DO NOT RUN CORD BENEATH T HE INSERT.2. Turn the fan on or off with the variable speed control located on the left side of the fan assemblybelow the bottom louvre. The switch settings are Off, High and adjustable down to Low. |
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