Thermo Pride OL6FA072D48B, Installation And Operation Manual With Users Information Section

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All installations and services must be performed by qualified service personnel.
7
NOTICE: Any internal stiffeners used in the filter must not be removed, although they can
be cut to size as needed.
E.
LIMIT POSITION
The limit in these furnaces are fixed and cannot be relocated.
F. BURNER INSTALLATION:
NOTICE: Remove all cardboard packing from around chamber before installing burner.
The oil burner will mount on three stud mounting bolts on the lower mounting plate covering the
opening in the front of the heat exchanger. The end of the burner tube should be inserted no
further than 1/4 inch back from the inside surface of the combustion chamber. A distance further
than 1/4 inch back from the inside chamber wall may cause impingement and sooting. This unit
is equipped with a chamber retainer (refer to Fig.3). The retainer secures the chamber during
shipping and helps to maintain insertion depth.
DO NOT remove this retainer when installing burner.
Fig. 3: Typical location of the over fire air tap and components in burner mounting plate
area