RDFU – Installation Guide
Page 5
Install Fan / Radiation Damper
15. Refer to instructions supplied with the fan for various
electrical wiring configurations.
16. Install
MASK (R)
supplied with the fan to protect damper
and fan from drywall spray, construction dust, etc.
Finish Installation
17. Finish ceiling around radiation damper opening. Ceiling
opening must be no larger than the outside of the
radiation damper.
18. Remove
MASK (R)
from housing.
R
1
2
1
2
MINIMUM 12
GAUGE STEEL
WIRE (3MM) (4)
SLIDING
HANGER
BARS
#8 (M4) SHEET METAL
SCREWS OR ¼” DIAMETER
BOLTS WITH NUTS (4)
Install Fan / Radiation Damper In Ceiling
MAKE SURE FINISHED CEILING IS FLUSH WITH
BOTTOM EDGE OF RADIATION DAMPER.
13. 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.
14. 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.
