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APPLICATION DATA (cont)
Concentric Duct Distribution —
542J150,180
NOTE:
1. Do not drill in this area, damage to basepan may result in
water leak.
2. A 90-degree elbow must be provided in the supply ductwork
to comply with UL (Underwriters’ Laboratories) codes for use
with electric heat.
6'-2 3/8'' MAX.
5'-9 3/16'' MAX.
5 3/16''
B
A
BAFFLE
A
B
24'' MIN.
1'-0 3/16''
1'-7 15/16''
4'-6 13/16''
1'-0 3/16''
1'-10 11/16''
MAX.
Shaded area indicates block-off panels.
NOTE: Dimensions A, A
′
and B, B
′
are obtained from field-supplied
ceiling diffuser.
CAUTION:
Concentric ducts may only be installed on units
without electric heat. Personal injury or unit damage may result.
Concentric Duct Details —
542J150,180