Broan HLB3 - Typical Installation Methods; Mounting in New Frame Construction; Mounting in Existing Frame Construction; Mounting with Hanger Kit

TYPICAL iNSTALLATiON
MOUNTING (New Frame Construction)
10" ROUND DUCT
[ 8" TO 10" ROUND
TRANSITION
1½" FRAMING
10" ROUND
DUCT
/
Blower
factory-
shipped
in straight
through
discharge
position.
CEILING JOIST
(16" centers
shown)
Mounting brackets factory-
shipped in position for
½" ceiling material.
MOUNTING SCREW
Factory-shipped unit installed in new construction.
MOU NTING (Existing Frame Construction)
8" TO 10" ROUND
TRANSITION
10" ROUND DUCT
(OUTLET)
CEILING JOIST
(16" centers
shown)
MOUNTING
BRACKETS
(Attached to
opposite sides
of housing &
upside-down)
10" ROUND
DUCT
(INTAKE)
2 X 4 FRAMING
(wide side down)
Blower Jbctory-shipped in straight-through
discharge position.
iMPORTANT: Remove shipping tape from damper
Remove the shipping tape from the damper flap and make sure
that damper flap opens and closes freely inside the ductwork. Use
duct tape to make ductwork connections secure and air-tight.
Remove shipping ring from blower inlet
Remove the shipping ring from the blower inlet before operating
the ventilator.
Page 2
TYPICAL INSTALLATION
MOUNTING USING HANGER KIT (included)
HANGER
KIT BOLT
& WASHER
EXTENSION
SPRING
HANGER 10" ROUND
"_ _ DUCT (INTAKE)
KIT CHAIN _ _i
HANGER KIT
EYE-BOLT
8"TO 10"
ROUND
TRANSITION
HANGER
KIT NUT &
WASHER
BRACKET
", _ GRILLE NUT
_ (Install into
_ square holes in
10"(OUTLET)DUCTROUND <, ,,_ housing)
/ "4... _ ACCESS
ACCESS PANEL _ i-'-- PANEL SCREW
Blower factolT-shipped in straight-through
discharge position.
DUCTING (Horizontal blower discharge)
ROUND DUCT
/
ROUND
ELBOW
WALL
CAP
Two ways to connect ductwork to a Jbctory-shipped unit.