
RDFQF Installation Guide
Page 3
Leave this mask in place to prevent
construction dust, drywall spray,or paint
from damaging inside of product.
REMOVE MASK BEFORE
INSTALLINGGRILLE.
Laissez ce masque en place pour empêcher
la poussière de construction, le plâtre ou la
peinture, etc. d’endommager
l’intérieur du produit.
ENLEVEZ CE MASQUE AVANT
D’INSTALLERLA GRILLE.
Deje esta cubierta en su lugar para evitar
que polvos de construcción, rocíos de yeso
o pintura dañen el interior del producto.
QUITE LA CUBIERTAANTES
DE INSTALAR LA REJILLA.
99352371A
MINIMUM 12
GAUGE STEEL
WIRE (3MM)
(4)
SLIDING
HANGER
BARS
#8 (M4) SHEET METAL
SCREWS OR ¼” DIAMETER
BOLTS WITH NUTS
(4)
GRILLE
GRILLE
SPRING (2)
MASK
Installation
Install Fan / Radiation Damper In Ceiling
MAKE SURE FINISHED CEILING IS FLUSH WITH
BOTTOM EDGE OF FAN HOUSING.
3. If the fan assembly is hung from the structure above,
MINIMUM 12 GAUGE STEEL WIRE (3MM) must be
used to suspend the fan. Use one wire on each side of
fan and secure to mounting channels as shown.
4. If the fan is directly mounted to adjacent ceiling
structure, use #8 (M4) SHEET METAL SCREWS OR
¼” DIAMETER BOLTS WITH NUTS to fasten SLIDING
HANGER BARS. Sliding hanger bars are provided to
allow for accurate positioning of fan between ceiling
members.
Finish Fan Installation
5. Follow instructions packed with the fan to connect
ductwork and electrical wiring.
6. Install corrugated MASK to protect damper and fan from
drywall spray, construction dust, etc.
7. Finish ceiling around damper housing. Ceiling opening
must be no larger than the outside of the radiation
damper.
Install Grille
REMOVE THE MASK BEFORE INSTALLING GRILLE OR
OPERATING FAN.
8. Squeeze GRILLE SPRINGS and slide into tabs on the
radiation damper frame. Push GRILLE until it’s tight
against ceiling surface.
9. Follow instructions packed with the fan to finish the
installation.
Leave this mask in place to prevent
construction dust, drywall spray, or paint
from damaging inside of product.
REMOVE MASK BEFORE
INSTALLING GRILLE.
Laissez ce masque en place pour empêcher
la poussière de construction, le plâtre ou la
peinture, etc. d’endommager
l’intérieur du produit.
ENLEVEZ CE MASQUE AVANT
D’INSTALLER LA GRILLE.
Deje esta cubierta en su lugar para evitar
que polvos de construcción, rocíos de yeso
o pintura dañen el interior del producto.
QUITE LA CUBIERTAANTES
DE INSTALAR LA REJILLA.
99352371A
MASK