General Information; Clinkering; Ash; Fuel Feed Rates - Whitfield ADVANTAGE PLUS Owner's Manual & Operating Instructions

General Information

Using the UltraGrate burn system, the Whitfield Advantage Plus has been designed to burn wood residue
pellets with up to 3% ash content. Agricultural pellets (i.e... Corn, alfalfa etc.) are not permitted to be
burned in the stove. Dirty fuel will adversely affect the performance of the stove.
Caution: The use of unapproved, dirty, wet and/or high salt content fuel will void the warranty!
Wood pellets manufactured to the Pellet Fuels Institute (P.F.I.) Certification Standard are available in two
grades, Standard and Premium. The primary difference between the two is the ash content of the pellets.
The P.F.I., specification for Standard Grade & Premium Grade residential pellet fuel is as follows:
CHLORIDES (Salt): Less than 300 p.p.m..
BULK DENSITY: 40 lb. / cu. ft. minimum
MOISTURE CONTENT: 8% maximum
ASH CONTENT: < 3% maximum (Standard Grade) < 1% maximum (Premium Grade)
FINES: 0.5% maximum through a 1/8"screen

Clinkering

Silica (or sand) in the fuel, along with other impurities, can cause clinkering. A clinker is a hard mass of
silica formed in the burning process. Clinkering is a function of the fuel, (not the stove), but adversely
affects the performance of the stove by blocking off the air passages in the grate. Even P.F.I. approved pel-
let fuel may tend to clinker. A clinker can be removed from the burn grate and placed in the ash pan with
the use of the grate scraper/ash pan tool furnished with your stove. See Routine Maintenance for more
information on cleaning.

Ash

The frequency of removal of the ash and maintenance performed on the stove is directly proportional to
the ash content of the fuel and the operation duration of your Whitfield Stove. Low ash fuel may allow
longer intervals between cleaning, however, a stove burning high ash fuel may need to be cleaned as
often as everyday.
PLEASE NOTE: Pyro Industries, Inc., has no control over the manufacturing of pellet fuel and will not be held
responsible for poor stove performance or any damage caused by inferior pellet fuels.

Fuel Feed Rates

Different brands of pellets will feed at varying rates due to their size and density (length and diameter).
This may require a slight adjustment in the damper control or the pellet feed control to compensate.
See Operating Instructions on page 9.
Pellet Fuels
UltraGrate Configuration