6-Long screws
Adaptor
Duct
12
4. Connect the circular duct to the adaptor.
Remove the junction box cover and secure conduit or stress
relief to junction box knockout hole. (7/8 inch) (Fig.21)
2. Install header between joists by using nails or screws.
3. Install the fan body and secure it by using long
screws(M4X30) (Fig.20, Fig.21)
Adaptor
inches (mm)
Fan body
Joist
Header
Joist
Fig.20
(275)
(345)
10
7/8
13
5/8
1. Before installation, open the orifice cover. Secure the fan
body to adaptor by using thumb screw. (Fig.1 of page 6)
(1) To install the ventilating fan, follow the procedures described in lnstallation
. Take the following
precautions before installation.
II
1. Installation in existing construction.
Installing the ventilating fan in an existing building requires an accessible area (attic or crawl space) above
the planned installation location or existing ducting and wiring.
(2) Inspect duct work and wiring before proceeding with installation.
(3) Plan suitable location for ventilating fan.(next to ceiling joist)
(5) First, remove ceiling section.
(6) Install ventilating fan.
(1) Inspect duct work and wiring before proceeding with installation.
(2) Remove ceiling section.
(3) Install ventilating fan with fan body flange on top of the drywall.
CAUTION:
Check area above planning installation location to be sure that:
1. Duct work can be done and that area is sufficient for proper ventilation.
2. Wiring can be run to planning location.
3. No wiring or other obstructions shall interfere with installation.
(4) Before installation, provide inspection and maintenance access at a location that will not interfere
with installation work shown in installation .
II
2. Installation from accessible area above fan location.
5. Follow step 5 to 9 of installation (page 7~page 8)
to complete the installation work.
I
Fig.21
