General Operating Guidelines And Tips; Pellets As Heating Fuel; Early Signs Of An Overfired Furnace - PSG CADDY ALTERNA Installation And Operating Instructions Manual

Pellet furnace

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GENERAL OPERATING GUIDELINES AND TIPS

Your furnace has been designed to burn various types of pellets. Each type of pellet has its properties and will burn

differently. The ash produced can also vary greatly. The different types of pellets that have been tested in the

Caddy Alterna were made of the following types of biomass:

Wood pellets

Wood pellets, whether made of hard or soft wood, are easy to burn. They pellets used are the same type as the

ones used in most pellet stoves. They should produce a fairly small quantity of ash.

Wood and hay pellets

Pellets made of wood and hay will produce more ash than straight wood pellets. The wood and hay pellets that

have been tested in your Caddy Alterna consisted of 1/3 hay and 2/3 wood. Make sure that any wood and hay

pellets you put in your Caddy Alterna respect that mix (+/- 10%).

Bark pellets

100% bark pellets produce a hard crust that will be pushed into the ahs drawer. Their ash content is very high. If

you burn 100% bark pellets, make sure that the crust forming in front of the burn pot breaks and falls into the ash

drawer. Ignition may be a bit more difficult and it is possible that the furnace needs a second ignition cycle to

properly light the bark pellets.

Switchgrass pellets

The ash content of switchgrass pellets may vary depending on when this type of biomass is harvested. Switchgrass

will burn very clean. A crust will form in front of the burn pot. It should break easily and fall into the ash drawer. The

crust is light and friable. It will occupy quite a bit of volume into the ash drawer. For this reason, if you are not

present to empty the ash drawer, you should only fill 50% of the hopper.

Do not operate the stove if there is an abnormal air leakage into the stove, such as through deteriorated gaskets or

cracked or broken glass. Do not operate the stove without a door gasket. Leakage can result in overheating, or in

very airtight homes, could possibly cause smoking into the room. Smoke may contain carbon monoxide, which is

poisonous, and in sufficient quantities, and can cause a health hazard or even death.

If you see a lazy, very high orange flame inside the firebox, it may be a signed thatyour furnace is overfired and

getting too hot. Under normal conditions, the flame should be about 12 inches high and it should be lively. It should

have a bright, yellow color. Too much restriction in the venting system and a blocked heat exchanger are the

primary causes of an overfired furnace. If the furnace becomes too hot, it will activate the thermistor located on the

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