180-PE1006 v1.11
October 3, 2018
Page 30
PE1006
CATALYST MONITORING
CATALYST MONITORING
CATALYST MONITORING
CATALYTIC COMBUSTOR, CLEANING
Under certain conditions, ash particles may become attached to the face of the combustor. These may be
seen while the combustor is in the glowing stage, or when the fi re is out. Any deposit on the visible face
of the combustor should be removed. Wait until the fi re is out and the appliance is cold before performing
any cleaning. Brushing the combustor with a soft bristle paint brush will remove some deposits. Passing
a vacuum cleaner wand or brush near the face of the combustor will remove most deposits. (Hot ash in a
vacuum cleaner bag will burn, may melt the vacuum or cause a house fi re. Exercise caution and never clean
the appliance when the appliance or ashes are hot.) Never scrape the combustor with any hard tool or brush.
Never run pipe cleaner through the individual cells of the combustor. This is not needed, and may do more
harm than good. Limit cleaning to the face of the combustor.
NOTE: Never remove a combustor without
approved combustor gasket in hand as original gasket will fall apart when removed from
appliance.
Remember to re-install the Flame Shield (the perforated plate) in same position it was found.
TIP: A hot fi re will usually prove to be the best method of cleaning the combustor of deposits.
CATALYTIC COMBUSTOR, TESTING
Light the fi re as per the lighting instructions (see “LIGHTING THE FIRE”). Then set the thermostat knob on a
MED setting. When the fi re is well established (within one to three hours) turn the thermostat knob between
LOW
and
MED
. A properly operating combustor will remain active, and the combustor thermometer will
remain in the “active” zone until the wood load is mostly consumed. A “tired” or “dead” combustor will, with
the thermostat on
MED
or lower, go out completely, and the thermometer needle will fall into the “inactive”
zone. Repeat this procedure several times over several days (Remember that the combustor thermometer
has a built-in lag of 4-8 minutes.) If, after several test burns, the thermometer will not indicate an “active”
combustor, it may require cleaning or replacement. It is also possible that the thermometer, itself, may not
be reading accurately. Before condemning the combustor, read “THERMOMETER”. If, after cleaning has
been performed, your combustor is still not working you can Contact Blaze King for a replacement combustor.
Please read “REPLACEMENT PARTS” section in this owners’ manual.
It is important to periodically monitor the operation of the catalytic combustor to ensure that it is functioning
properly. A non-functioning combustor will result in a loss of heating effi ciency, and an increase in creosote
and emissions. Following is a list of items that should be checked on a periodic basis:
• Combustors should be visually inspected at least three times during the heating season to determine if
physical degradation has occurred. Actual removal of the combustor is not recommended unless more
detailed inspection is warranted because of decreased performance. Refer to “CATALYTIC COMBUSTOR
TROUBLESHOOTING” on next page.
• This catalytic heater is equipped with a temperature probe to monitor catalyst operation. Properly
functioning combustors typically maintain temperatures in excess of 500°F (indicated by the thermometer
needle in the active zone), and often reach temperatures in excess of 1000°F. If catalyst temperatures
fall below 500°F (indicated by the thermometer needle in the inactive zone), refer to next step and to
“CATALYTIC COMBUSTOR, TESTING” below.
• You can get an indication of whether the catalyst is working by comparing the amount of smoke leaving the
chimney when the smoke is going through the combustor and catalyst light-off has been achieved, to the
amount of smoke leaving the chimney when smoke is not routed through the combustor (bypass mode):
- Light the appliance as per the lighting instructions (see “LIGHTING THE FIRE”). With smoke routed
through the catalyst, go outside and observe the emissions leaving the chimney.
- Open the bypass mechanism, wait approximately 15 minutes, and again observe the emissions leaving
the chimney. Signifi cantly more smoke will be seen when the exhaust is not routed through the combustor
(bypass mode). Some smoke may be visible shortly after you start the fi re and shortly after reloading the
fi re. Allow 20 to 30 minutes for the fi re to stabilize before making observations.
Summary of Contents for Blaze King PRINCESS PE1006
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Page 51: ...180 PE1006 v1 11 October 3 2018 Page 51 PE1006 REPLACEMENT PARTS Princess Classic Brick Layout...
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