RDFUWT – Installation Guide
Page 2
For use with 1, 2, or 3-Hour-Rated Floor-Ceiling and Roof-Ceiling Designs.
UL/ cUL Listed for use in the following Floor Ceiling and Roof Ceiling Assemblies: L521, L528, L546,
L558, L562, L574, L576, L581, L583, L585, P522, P533, P538, P545, and P547 when installed per
the following instructions:
Flat Ceiling / Horizontal Mount Only.
For use with the following ventilation fan models:
Broan
XB50, XB50L, XB80, XB80L, XB110, XB110L, XB110H, XB110HL, ZB80, ZB80M, ZB110,
ZB110H, ZB110M, ZB80L, ZB80ML, ZB110L, ZB110HL, ZB110ML, QT130E, QT130LE, QT140E,
QT140LE, QTXE150, QTXE150FLT
Broan Canada
XB50C, XB90C, XB90LC, XB90HC, XB110C, XB110LC, XB110HC, ZB110C, ZB90C, ZB110LC, ZB90LC,
ZB110HC, ZB110MC, ZB90MC, ZB90HC, ZB110MLC, ZB90MLC
NuTone
QTN130E, QTN130LE1, QTXEN150, QTXEN150FLT, XN50, XN50L, XN80, XN80L, XN110, XN110L, XN110H,
XN110HL, ZN80, ZN80M, ZN110, ZN110H, ZN110M, ZN80L, ZN80ML, ZN110L, ZN110HL, ZN110ML
NuTone Canada
XN50C, XN90C, XN110C, XN90LC, XN90HC, XN110LC, XN110HC, ZN90C, ZN90LC, ZN90HC, ZN90MC,
ZN90MLC, ZN110C, ZN110LC, ZN110HC, ZN110MC, ZN110MLC
Usage
SEE DETAILS ON
UL CLASSIFICATION
MARKING ON PRODUCT
Prepare Fan
The following steps are best performed on a work surface
before fan installation. Protect counter tops by placing
corrugated sheet under the fan.
1
2
3
1. Remove blower and all packing material from fan
housing.
2. Assemble
SUPPORT BRACKET (A)
(supplied with
radiation damper) to fan blower as shown. Secure the
bracket to motor studs with
(2) #8-32 HEX NUTS (B)
supplied in radiation damper parts bag.
A
B
