MODEL RDJ1
Page 3
WARNOCK HERSEY
INSTALLATION INSTRUCTIONS
5. Position fan/damper assembly so that the inlet face of
the radiation damper is flush with the finished surface of
the ceiling. Fasten fan/damper assembly to the building
structure by driving #10 (M5) minimum sheet metal
screws or #8d minimum nails (hardware not provided)
through the fan mounting brackets and into the ceiling
joists. There must be a minimum of two fasteners on
each of two opposite sides. Ceiling opening must be no
larger than the inlet opening of the damper.
6.
New Construction
A housing mask has been provided to keep construction
dust, drywall spray, paint, etc. from damaging the
radiation damper or blower assembly.
a) Bend up the small tab of the mask.
b) Tuck the opposite side of the mask under one of the
damper’s grille mounting ears and push mask up into
damper housing.
Remove mask before installing grille or operating fan.
Attach the metal grille over the inlet face of the radiation
damper using (2) #8-18 x 0.812” sheet metal screws
(provided).
WARNOCK HERSEY LISTING
INCLUDES DAMPER ONLY. IT
DOES NOT INCLUDE EXHAUST
FAN. DAMPERS MAY BE USED
WITH UL LISTED FAN MODELS
NOTED.
16” OR 24” ON CENTER
FASTENER
FAN
MOUNTING
BRACKET
GRILLE
GRILLE SCREW
CEILING
DAMPER
WOOD
FRAMING
MEMBER
OR JOIST
WARNOCK HERSEY LISTED
