Esp Control - Harman XXV Pellet Stove Installation & Operating Manual

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.
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 L and H
scale.
Igniter switch
Set to appropriate Start-
Up mode.
Test
Runs all motors at full
speed for one minute
to check operation.
After a minute, the
control will simulate a
minimum burn and the
combustion blower will
remain on low.
Feed adjuster
Sets the maximum feed
rate
Status light error messages:
3 blinks: Indicates that the ESP (Exhaust Sensing
Probe) has gone out of range too many times. If the
unit seems to be operating correctly, perform 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 status
light will automatically reset.
NOTE: Unit will not start in "AUTO" with this status error.
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.
16
XXV Pellet Stove

eSP control

Dealer Diagnostic Port
For dealer maintenance
only. Requires special DDM
monitor supplied to Harman
Dealers exclusively.
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 29,
for more details.
* Manual reset- disconnect power cord for a few
seconds and reconnect. If error still occurs call your
Dealer.
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.
Indicates igniter is on.
Indicates power to the feed
motor.
Indicates power to
combustion blower
Indicates power to
distribution 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.
Power Light
Indicates power to the
control.