Combustion Blower - Harman PF100 Installation & Operating Manual

Power Light
Indicates power to the
control, and is also used
during "Test" to check
the Low Fuel Sensor
operation.
Status Light
W i l l b e l i t i n e i t h e r
automatic or service
mode when pointer is not
within off position band
except after normal shut
down. It also blinks to
indicate errors as listed
below.
Low Fuel Light
Indicates that fuel in the
hopper is low and needs
to be refilled.

Combustion Blower

Light
I n d i c a t e s P o w e r t o
combustion blower
F e e d M o t o r L i g h t
Indicates Power to the
feed motor.
Igniter Light
Indicates power to the
igniter
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 normally, Perform a manual reset*. If the code
persists, you'll need to call a service technician.
4 blinks: Can occur only in the Automatic Mode and indicates
the Wall Control has failed or is not installed. If a Wall control
is then installed the status light will automatically reset.
5 blinks: (In Auto Light Mode Only)
Indicates that the igniter has failed to light the fire after 4
consecutive 8 minute attempts. To reset - Turn the Mode
Selector to OFF and then back to Automatic.
6 blinks : Indicates that the control has calculated poor or
incomplete combustion occurring for more than 25 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 for more details.
* manual reset, disconnect power at the circut breaker for
a few seconds and reconnect. If error still occurs call your
Dealer.
22
Operation
Temp dial
The "Temp Dial" should be in the "Normal Setting" position except
when service work is being done. It also allows you to adjust the fire
temperature when the "Mode Selector" is in " Service Mode" using the
scale marked from 1 to 7.
Fig. 42
mode Selector
Allows you to choose between Automatic Mode, Service
Mode or OFF.
Automatic mode
Automatic mode switches operational control of the furnace to
the wall mounted control. This is the mode to use whenever
the furnace is burning in a normal heating application.
Service mode
Service mode switches control of the furnace to the temp
dial. The temp dial can be set from 1 to 7 to allow a steady
furnace temperature at the desired level. The main purpose
of this mode is to operate the furnace without having to go
back to the wall mounted control.
OFF mode
Turning the mode selector to OFF will shut down the furnace.
** The Distribution Blower is not controlled by the "Test"
operation. The Distribution Blower has it's own Manual Test
Switch on the Fan / High Limit Control cover.
Feed adjuster
Sets the maximum feed rate
Test
Runs all motors ** at full
speed for one minute to
check operation. After one
minute the combustion
blower will go to it's minimum
speed and remain there.
This is to allow for low draft
voltage adjustment.
Lighting Mode Selector
Switched between Auto and
Manual lighting
Mode Selector
See explanation below.
Diagnostic Display Port
R e q u i r e s s p e c i a l D D M
monitor supplied exclusively
to service technicians.
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