Harman Coal Stoker VF3000 - Manual (Page 18)

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Operation
FIll the BOIler and PluMBIng SYSteM wIth
water PrIOr tO lIghtIng!
Starting a fire
Fill the hopper with rice coal. With the aquastat calling for
heat, the coal will begin to feed onto the grate inside the stove.
This process can be accelerated by adjusting the feed rate
to the maximum position. When the coal starts to come up
out of the grate and is almost up to the area where the holes
start, turn the feed adjuster back about 2 turns and turn off
the feed motor with the switch on the side of the control box.
Whether using wood pellets, charcoal, or kindling and paper,
mix your starter material with the coal on the grates, for best
results. Use a match to light the fire or starting material.
After the coal is burning, the feed motor can be turned on and
the coal fire will continue to get larger. Fresh coal will continue
to be pushed onto the grate and ashes will be pushed off the
grate. The feed rate must be adjusted so the coal is burned
up and turned to ashes before the coal gets to within one
inch of the end of the grate. Too high of a feed rate will push
unburned coal off the coal grate, therefore wasting fuel.
Feed adjustment
The feed indicator on the side of the feeder shows how far
the pusher moves each stroke. There are dots above the
indicator spaced 1/8” apart. A movement of one dot would
give a low burn, two dots medium and three dots high. Lock
the adjuster with the wing nut after adjusting feed rate.
After the fire is burning and the feed rate is adjusted, you
can now set the aquastat to the desired water temperature.
Feed Indicator