Maintenance; Maintenance Of The Exchangers And Blower Housing - PSG CADDY ALTERNA Installation And Operating Instructions Manual

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4. MAINTENANCE

4.1

The heat exchangers are to be cleaned thoroughly at the end of each heating season. During the summer air is

more humid with minimal natural flow in the furnace, in these conditions, remaining creosote and/or soot in the

exchangers will produce an acid that will accelerate the corrosion process and will perforate the steel prematurely,

which in return, would not be covered under this warranty. Here is procedure:

Before cleaning the six exchanger pipes, remove the front cover located above the combustion chamber (see

drawing below). It is important to start from the top and finish at the bottom. Using the scraper, clean the six

exchanger pipes. The accumulated dirt in the lateral exchangers must also be cleaned up. To do so, start by

removing the side panel on the left side of the furnace. You will have access to 3 clean out traps. Using an ash vac

will be the most efficient way to collects ashes that may have accumulated. Please note that you do not need to

repeat the same steps on the right side of the furnace. The lateral exchangers can easily be reached on either side

of the furnace. One of the clean out traps will give you access to the blower housing. Be very careful to not damage

the blower impellers when you clean the inside of the blower housing. Finish by putting back all clean out traps and

closing the access panels. Should one of the clean out trap gaskets be damaged, it is very important that you

replace it in order to prevent leakage of flue gases inside the ductwork.

Clean out trap

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