Broan QTXE110S User Manual

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Page 2

MODELS QTXE110S • QTXE110S2

TYPICAL INSTALLATIONS

Housing mounted to

I-joists.

Housing mounted anywhere

between trusses using hanger

bars.

PLAN THE INSTALLATION

1. Choose the

installation

location.

The location of

your humidity

sensing fan is

very important.

Use the follow-

ing guidelines

for best opera-

tion:

Housing mounted anywhere be-

tween I-joists using hanger bars.

Housing mounted to joists.

Housing mounted anywhere be-

tween joists using hanger bars.

Housing mounted anywhere be-

tween trusses using hanger bars.

INSTALL HOUSING &

DUCT

1a. Mount

housing

to joist

or I-joist.

Use a pliers to

bend housing

TABS out to

. Hold hous-

ing in place so

that the hous-

ing tabs con-

tact the bottom

of the joist.

The housing

mounts with

four (4) screws

or nails. Screw

or nail housing

to joist through

lowest holes in

each mount-

ing flange,

then through

highest holes.

SPACER

(use for mounting to I-Joist)

TABS

I-JOIST

NOTE: Mounting to I-JOIST (shown) requires use of

SPACERS (included) between the highest hole of each

mounting flange and the I-joist.

• Locateunitabove(GFCIprotectedcircuitrequired)or

within 5 feet of shower head.

• Locateunitawayfromheatingorcoolingsources

which can affect humidity levels.

• Donotlocatenearwindow.Unitmayrespondtothe

outdoor humidity level.

• Unitmustbeinstalledinceilingtoproperlysense

moisture.

• Locateunitonlyonflatceilingsupto12feethighfor

proper sensing.

• Theductingfromthisfantotheoutsideofthebuilding

has a strong effect on the air flow, noise and energy

use of the fan. Use the shortest, straightest duct rout-

ing possible for best performance, and avoid installing

the fan with smaller ducts than recommended. Insula-

tion around the ducts can reduce energy loss and

inhibit mold growth. Fans installed with existing ducts

may not achieve their rated airflow.

2. Plan the wiring.

• Plantosupplytheunitwithproperlinevoltageand

appropriate power cable. Power cable should be

routed to the switch box first and then to the unit

(See “CONNECT WIRING” on page 3).

• Donotoperatethisunitwithaspeedcontrol. 

Damage to the sensor unit will result.

*Purchase

separately.

INSULATION*

(Place around and

over Fan Housing.)

ROOF CAP*

(with built-in

damper)

FAN

HOUSING

POWER

CABLE*

6-IN. ROUND

DUCT*

6-IN.

ROUND

ELBOWS*

Seal gaps

around

Housing.

Seal duct

joints with

tape.

Keep duct

runs short.

WALL CAP*

(with built-in

damper)

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Broan QTXE110S

User Manual - Page 2