English
CAUTION
INSTALLATION (RETROFIT)
Ceiling
Flange
Machine screw (M4X8)
2 Self-drilling screws (Fix the
TM
flange and Flex-Z Fast
through the ceiling)
bracket
1. Remove the existing fan and cut ceiling opening.
Secure the Flex-Z Fast bracket to joists
by drilling 4 tapping screws (ST4.2x20) which
have been fixed on it. Existing ductwork and
wiring left in place. (Fig.10)
2. Follow the step 1 , 4 , 5 , 7 on INSTALLATION
(NEW CONSTRUCTION). (Before connect the
circular duct to the adaptor, should pull down
the circular duct from the ceiling)
Disconnect power source before working
on unit.
5. Follow the step 10 to 13 on INSTALLATION
(NEW CONSTRUCTION)
TM
TM
3. Install the adaptor to Flex-Z Fast bracket by
using 2 self-drilling screws. (Fig.11)
4. Secure the fan body to Flex-Z Fast bracket by
using 2 self-drilling screws, plug connector to
receptacle and secure the fan body to adaptor
by using machine screw (M4X8). (Fig.12)
Secure machine screw (M4X8) to the suitable
hole and not touch the Flex-Z Fast bracket.
Please fix the screw carefully to avoid screw
slip teeth.
TM
Fig.12
CAUTION
WARNING
WARNING
Disconnect power source before working on unit.
Routine maintenance must be done every year.
Please wear gloves during the cleaning work.
Never use gasoline, benzene, thinner or any other
such chemicals for cleaning the ventilating fan.
Do not immerse motor in water when cleaning.
Do not soak resin parts in water over 140°F (60°C).
Fig.13
Gloves
MAINTENANCE (CLEANING)
10 7/8
(275)
10 7/8 (275)
Circular duct
Conduit
Joist
4Tapping
(ST4.2x20)
Unit: inches (mm)
Fig.10
Ceiling (already existed)
screws
Mastic or
approved
foil tape
2 Self-drilling screws
Ceiling
Joist
Knock-out
hole
Junction box
cover
Conduit Circular duct
Fig.11
Joist
1. Clean grille. (Don’t put into hot water. Use non-abrasive
kitchen detergent, wipe dry with clean cloth) (Fig.13)
2. The grille should be dry after cleaning.
3. Remove dust and dirt from fan body using a vacuum cleaner. (Fig.14)
Do not use cleaning sprays, solvents, or water on
or near the sensors.
Fig.14
Ceiling
Vacuum
cleaner
TM
10
