Drolet HT1600 - Manual (Page 28)

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HEATING
Controlled combustion is the most efficient technique for wood heating because it enables
you to select the type of combustion you want for each given situation. The wood will burn
slowly if the wood stove air intake control is adjusted to reduce the oxygen supply in the
combustion chamber to a minimum. On the other hand, wood will burn quickly if the air
control is adjusted to admit a larger quantity of oxygen in the combustion chamber. The air
intake control on your stove is very simple. If you move it out completely towards the right, it
is fully open. If you move it towards the left until it stops the combustion air is reduced to a
minimum.
The following burn rates will be achieved according to control setting.
Burn rate
Model
Low Medium Medium high High
HT-1600
full close 1/4" 5/8" full open
HT-2000
full close 1/2" 1" full open
HT-1600 Air control
OPENING
HT-2000 Air control
OPENING
Please note that the HT series stoves do not have the same operating range. The HT-1600
type stove burned between 0.93 and 3.32 kg/hr during EPA testing. The 2000 serie
achieved between 0.95 kg/h and 4.9 kg/h under the same conditions . Real operating
conditions may give very different results than those obtained in the lab according to the
species of wood used, its moisture content, the size and density of the pieces, the length of
the chimney, altitude, outside temperature.
Note regarding the HT1600 :
In order to achieve an optimum efficiency from your unit, we suggest that you operate it with
the air control slightly open (approximately 10%). Make sure that you have a good fire
going and an adequate ember bed before you completely close the air control. Use a
chimney thermometer if necessary. Closing the air control too soon will lower combustion
efficiency and may cause the fire to die out. The addition of a blower (if not already
included) is highly recommended to maximize your unit’s efficiency.