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P68 Pellet Stove
P68 AUTOMATIC IGNITION ESP CONTROL
Feed adjuster
Sets the maximum
feed rate
Test
Runs all motors at full
speed for one minute
to check operation.
After two minutes the
stove will go to
minimum burn and
the blowers will
alternate from high to
low every minute to
remind you that you
are still in "Test
Mode".
Igniter switch
Set to appropriate
Start-Up mode.
Distribution Blower
speed adjustment range.
L = low
H = high
Variable speed anywhere
between L and H;
although as the stove
temp. goes up , so does
the low end of the scale.
Temp dial
Allows you to adjust the room temperature in Room
Temp Mode using the outer scale marked in degrees
Fahrenheit. It also allows you to adjust the stove
temperature while in Stove Temp Mode using the inner
scale marked from 1 to 7.
Mode Selector
Allows you to choose between
Room Temp Mode, Stove Temp
Mode, or OFF. Also allows you
to vary the distribution blower
speed by turning the knob to
the high or low side of each
mode.
Power Light
Indicates power to the
control.
Indicates power to the
feed motor.
Indicates power to the
igniter
Indicates power to
combustion blower
Status Light
Will be lit in either stove
or room temp mode when
pointer is not within off
position band except
after normal shut down.
Blinks to indicate errors
listed below.
Indicates power to
distribution blower.
Status light error messages:
1 Blink: Indicates control board self diagnostic fail-
ure. This requires a manual reset*.
3 Blinks: Indicates ESP (Exhaust Sensing Probe)
failure. This requires a manual reset*.
4 Blinks: Can occur only in Room Temp Mode and
indicates Room Sensing Probe failed or not installed.
If a Room Sensing Probe is then installed, the sta-
tus light will automatically reset.
5 Blinks (In Igniter Auto. Mode Only): Indicates
that the unit has failed to light within the 36 minute
start cycle. To reset - Turn Mode Selector to "OFF",
then turn to either mode again.
6 Blinks : Indicates that the control has calculated
poor or incomplete combustion occurring for more
than 50 minutes.
A six blink status may be set if the stove is allowed
to run out of pellets. To reset, turn mode selector to
"OFF" then back on to the desired mode. If the unit
was not out of pellets, see Troubleshooting section,
Page 26, for more details.
* Manual reset- disconnect power cord for a few
seconds and reconnect. If error still occurs call your
Dealer.
Dealer Diagnostic Port
For dealer maintenance
only. Requires special DDM
monitor supplied to Harman
Dealers exclusively.
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