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MAINTENANCE OF THE PRESSURE SWITCH TAP
Ashes may accumulate on inside tip of the pressure switch probe connector. Use a mesh pad or wire brush to clean
the connector and blow inside the tube to make sure it Is free of obstruction.
PRESSURE SWITCH
TAP
FILTERS
The furnace must not be operated without filters. In order to efficiently and safely operate your pellet heating
system, you have to ensure a regular maintenance. This means that the air filters must be replaced regularly; use
the same size and same type as the original filters. High efficiency 2-ply, 3-ply, or 4-ply filters are recommended.
Filters dimensions
Caddy Alterna: 16" x 20" filter
DOOR GASKET MAINTENANCE
It is important to maintain the door gasket in good condition. After a while, the gasket might sag; a door adjustment
may then be required. If the door adjustment is not sufficient, replace the door gasket with a genuine one. If the
furnace door is not properly sealed, combustion gases may be dispersed into the air ducts.
Door adjustment procedure:
1. Unscrew completely the locking pin (see picture below).
Locking pin
2. To increase the pressure of the door on the gasket, turn the handle counter clockwise; to decrease the pressure
of the door on the gasket, turn the handle clockwise until desired pressure is attained.
3. Then, screws back the locking pin about 1/4" deep and make sure you lock it in place with the nut.
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