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MODEL QTXEN110HFLT
1b. Mount housing anywhere between
trusses, joists, or
I
-joists using hanger
bars.
Sliding hanger bars are provided to allow for accurate posi-
tioning of housing anywhere between framing. They can be
used on all types of framing (
I
-joist, standard joist, and truss
construction) and span up to 24”.
Attach the MOUNTING CHANNELS to the housing using the
SCREWS supplied. Make sure TABS are oriented as shown.
Use the set of mounting holes (marked “STD”) to mount the
housing flush with the bottom of the drywall. Use the other
set of holes (not marked) to mount the housing flush with
the top of the drywall.
HANGER
BAR (4)
SCREWS (4)
Extend HANGER BARS to the width of the framing.
Hold ventilator in place with the hanger bar tabs wrapping
around the BOTTOM EDGE OF THE FRAMING.
NAIL ventilator to framing or fasten with screws (not provided)
through HOLES near nails.
*
To ensure a noise-free mount: Secure hanger bars together
with SCREWS or use a pliers to crimp mounting channels
tightly around hanger bars.
*
SCREW (2)
HOLE FOR OPTIONAL
SCREW MOUNTING (4)
MOUNTING
CHANNEL (2)
NAIL (4)
BOTTOM EDGE
OF FRAMING
1. Connect electrical wiring.
Run 120 VAC house wiring to installation location. Use
proper UL approved connector to secure house wiring to
wiring plate. Connect wires as shown in wiring diagrams.
CONNECT WIRING
MODEL 66V, 66W
3-FUNCTION CONTROL (PURCHASE SEPARATELY)
LIGHT
(ON/OFF)
COM
NIGHT LIGHT
(ON/OFF)
FAN
(AUTO/OFF)
120
VAC
LINE
IN
SWITCH BOX
WHT
GRD
BLK
BLU
RED
WHT
UNIT
ORG
BLK
WHT
GRD
BLK
RED
LIGHT
NIGHT LIGHT
WHT
WHT
BLK
WHT
BRN
HUMIDITY
CONTROL
FAN
2. Attach damper/
duct connector.
Snap damper / duct con-
nector onto housing. Make
sure connector is flush
with top of housing and
damper flap falls closed.
3. Install
6-inch round duc-
twork.
Connect 6-inch round
ductwork to damper / duct
connector. Run ductwork
to a roof cap or wall cap.
Tape all ductwork con-
nections to make them
secure and air tight.
MODEL 77DV, 77DW
4-FUNCTION CONTROL (PURCHASE SEPARATELY)
FAN
(ON/OFF/AUTO)
120
VAC
LINE
IN
SWITCH BOX
GRD
RED
RED
BLU
UNIT
RED
BLU
WHT
GRD
WHT
BLK
BLK
RED
WHT
BLK
NIGHT LIGHT
(ON/OFF)
LIGHT
(ON/OFF)
COM
COM
BLK
BLK
WHT
ORG
WHT
BLK
WHT
BRN
HUMIDITY
CONTROL
FAN
WHT
NIGHT LIGHT
LIGHT
WIRING OPTION #1
WIRING OPTION #2
- Fan can be turned ON, OFF, or set to operate automatically.
TAB