Harman Stove Company Harman Stove The Harman Magnum Stoker Stove User Manual


 
11
DO NOT BURN WET COAL
of the stove. NOTE: The bolt holes on the blowers are not
used.
Install the control box on mounting pad provided on the
side of the stoker with (4) #8-32 bolts. NOTE: The recep-
tacles go toward the front.
Plug the gear motor into the top, the small combustion
blower into the middle, and the large distribution blower into
the bottom receptacle on the control box as shown. More on
the control later.
The thermostat connections on the back panel of the
Stoker Control are .25 inch male quick connect terminals.
The mating connectors (supplied) should be .25 inch female
quick connector terminals. The wire should be no smaller
than 22 gauge.
The thermostat connections should only be connected
across the thermostat switch inside the thermostat unit. This
switch is the type which opens (turns off) when the set point
temperature is reached, and closes (turns on) when the room
temperature falls below the temperature. (This is the type
supplied with the unit.)
The AC power cord should be the last connection
made. The power cord should be plugged into a 115 AC
volt 60 hertz wall outlet, which has proper grounding avail-
able. This 115 AC volt wall outlet should also be capable of
handling 3 amps of current because this is the maximum
amperage this unit will draw.
Basic Theory of Operation
After the stoker control is properly installed, operation
of the stove may begin. The stove operation is controlled
from the thermostat. This means if the room temperature is
cooler than the temperature set on the thermostat, the stove
will begin operation with the stoker control in the inactive
state. Once the room temperature reaches the thermostat set
point temperature, the combustion blower and coal feeder
will turn off, but the distribution blower will still operate. At
this point, the stoker control has taken control of the stove's
Place thermostat in a central location.
Do not place it in an isolated room with
poor air circulation