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INSTALLATION (NEW CONSTRUCTION) CONTINUED
12. Insert the other mounting spring into the slot as
shown and mount grille to fan body. (Fig.10)
CAUTION
Mount grille carefully so that lead wire is not
pinched.
Attention: when the switch is at the "ON" position, wait 8 – 10
seconds for the Fan to start. This is a normal working condition.
INSTALLATION (RETROFIT)
WARNING
Disconnect power source before working
on unit.
1. Remove the existing fan and cut ceiling opening.
Secure the Flex-Z Fast
by drilling 4 tapping screws (ST4.2x20) which
have been fixed on it. Existing ductwork and
wiring left in place. (Fig.11)
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)
3. Install the adaptor to Flex-Z Fast
using 2 self-drilling screws. (Fig.12)
4. Secure the fan body to Flex-Z Fast
using 2 self-drilling screws, plug connector to
receptacle and secure the fan body to adaptor
by using machine screw (M4X8). (Fig.13)
CAUTION
Secure machine screw (M4X8) to the suitable
hole and not touch the Flex-Z Fast
Please fix the screw carefully to avoid screw
slip teeth.
5. Follow the step 10 to 12 on INSTALLATION
(NEW CONSTRUCTION)
10
English
bracket to joists
TM
TM
bracket by
bracket by
TM
TM
bracket.
Ceiling
Grille
Conduit
Circular duct
4Tapping
( ST4.2x20)
screws
Ceiling (already existed)
Conduit Circular duct
Knock-out
hole
Junction box
cover
2 Self-drilling screws
Ceiling
Joist
Ceiling
Machine screw (M4X8)
2 Self-drilling screws (Fix the
flange and Flex-Z Fast
bracket
TM
through the ceiling)
Mounting spring
Gloves
Fig.10
Unit: inches (mm)
Joist
Fig.11
Mastic or
approved
foil tape
Joist
Fig.12
Flange
Fig.13
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