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The first 24" of duct pipe (from the unit)
must be covered with insulation.
Round Air Duct: Attach the 6" round air
duct (supplied) to the fireplace collar and
run the duct to the fan housing. Attach the
round-to-oval adaptor to the fan housing and
the air duct to the adaptor, diagram 3.
Oval Air Duct: Attach the round-to-oval
adaptor to the fireplace starting collar and
a 6" oval duct (not supplied) to the adaptor.
Complete the duct run and attach the oval
duct to the fan housing.
Round and Oval Duct: A combination of
6" round and 6" oval duct can be used in
the duct run. Oval duct components are
not supplied but can be purchased from an
HVAC supplier.
4) Install the variable speed Wall Rheostat (with
OFF setting) in a convenient location. This
switch controls the fan operation.
Diagram 3a:
For Models; HZ54E, HZ33CE, HZ40E,
P33,P33CE, P33E, P36, P36E, P36D,
P90, U900E U1500E, G800EC and
G800C.
6
Diagram 3a:
For City 40 Series, City Series 60, City 72 Series,
P90
5) Wire 120V AC service to the Wall Rheostat
and from the Wall Rheostat to the Fan Junc-
tion Box. Use wire nuts to secure the 120V
AC wires to the hot and neutral fan wires and
screw the 120V AC ground wire to the Fan
Junction Box. See wiring diagram below.
6) Screw the fan junction box to the fan housing.
7) Screw the Register Adapter Frame and the
Air Register to the Fan Housing, diagram 4.
Note: For new construction only the Air
Register is required to cover the opening.
8) Complete the fireplace installation as per
fireplace installation manual.
Diagram 4
FPI Heat Wave Air Duct Kit
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