TW2000 WOOD–FIRED BOILER – INSTRUCTION MANUAL
TW2000 5 Jan-08
1.4 MAXIMUM SOLID-FUEL CHARGE
The maximum level for a solid-fuel charge is the middle of the loading door, or the level of the
handle. DO NOT overfill or extreme over-heating may result, causing warpage or damage to
the boiler.
The KERR TW2000 Wood-Fired Boiler will accept whole or split logs up to 34 in. (864 mm)
long, but a 30 in. (762 mm) log length is recommended for convenience and ease in handling.
Maximum damper gate opening is 11/16”. Do not tamper or adjust to greater opening in an
attempt to increase fire or over-firing and hazard may result.
1.5 MAINTENANCE
Some regular maintenance is necessary on the KERR TW2000 boiler. A good practice is to
establish a routine for the storage of fuel, care of the appliance, and firing techniques.
1.5.1 CLEANING
The KERR TW2000 Wood-Fired Boiler must be cleaned regularly to maintain top efficiency.
The boiler needs cleaning more often when burning green wood, or during long periods of low
fire. When the KERR TW2000 Wood-Fired Boiler is first installed the boiler heat exchanger
should be checked visually from the firebox and smoke pipe hole every week to determine the
rate at which creosote or ash is accumulating within the Boiler. Cleaning should be done
whenever there is more than 1/4 inch of build-up on the heat exchanger or 3 inches of ash in
the base. If the wood boiler is to be left unused for an extended period of time (more than one
month) then the appliance should be cleaned of all ash and residual left from the burning of
wood.
CLEANING PROCEDURE:
1) Make sure fire is completely out and the Boiler has cooled.
2) Remove the smoke pipe located on the top of the Boiler.
3) Remove the overhead baffle in the combustion chamber if necessary.
4) The heat exchanger is now accessible for cleaning.
5) Use the scraper provided to remove all soot and ash from the boiler heat exchanger and
exposed surfaces.
6) Always check flue pipe for creosote or ash build-up in the pipe and clean if necessary.
7) Reinstall smoke pipe making sure that all joints are secured with at least 3 sheet metal
screws. Also reinstall the overhead baffle.
8) Check chimney cleanout for ash build-up and remove any accumulation.
9) Residue may be removed from the firebox or left to be burned during the next fire. It is
good practice to leave a layer of ash approximately one inch deep in the base of the
firebox.
DISPOSAL OF ASHES
Ashes should be placed in a metal container with a tight fitting lid. The closed container of
ashes should be placed on a non-combustible floor or on the ground, well away from all
combustible materials, pending final disposal. If the ashes are disposed of by burial in soil or
otherwise locally dispersed, they should be retained in the closed container until all cinders
have thoroughly cooled.
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