Drolet WOOD STOVE Operations Instructions download pdf (Page 38)

Tundra Furnace Installation and Operation Manual

The barometric control must be adjusted so that the maximum draft measured at the

furnace outlet does not exceed -0.06" w.c. Please note that a draft exceeding -0.06" w.c.

will reduce the efficiency and could produce an uncontrollable fire. On the other hand,

the minimum draft required is 0.04" w.c. in the evacuation pipe on the wood side, no

matter what type of furnace.

CAUTION: BEFORE THE CONNECTOR PIPES ARE INSTALLED, MAKE SURE THAT

THE EXHAUST PIPE AND / OR THE EXCHANGERS OF THE FURNACE ARE FREE OF

ALL ITEMS.

WARNING: AN EXCESSIVE DRAFT MAY CAUSE OVERHEATING AND MAKE THE

CONTROL OF THE FIRE DIFFICULT.

6.5 Combustion air

When the furnace and the chimney are completely cold, it may be necessary to provide

fresh air by opening a door or a window for a few minutes while lighting the fire.

Take note that a house constructed or renovated in order to be airtight may lack the

volume of fresh air necessary for the proper combustion of a solid-fuel heating appliance.

In such a case, when starting up the fire, do not operate appliances that evacuate air

outside the house, such as:

 Range hood

 Air exchanger

 Clothes dryer

 Bathroom fan

 Ventilated central vacuum system

Exhaust fans that are in a fuel storage room should be installed so as not to create

negative pressure in the room where the solid fuel appliance is located.

A fresh air supply may be necessary to prevent solid fuel units from rejecting products of

combustion into the house. The indications used to determine if an additional fresh air

supply is necessary are not appropriate for all the situations. When in doubt, it is

recommended to install a fresh air supply.

A fresh air supply may be needed if:

- Solid fuel units present anomalies, such as irregular draft, smoke return, bad

combustion, and/or reversed draft (whether there is combustion or not);

- Existing solid fuel units such as a stove or fireplace release odours, heat badly, cause

smoke returns, or reversed draft (whether there is combustion or not );

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Drolet WOOD STOVE Operations Instructions Page 38