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10
Installation
Gas Downdraft Cooktop
•Install the supplied pressure regulator and
nipple in the gas line as close to the cooktop
inlet as possible. Allowances for ventilation
ducting may be necessary.
–Make sure the regulator is installed in the
right direction.
•Install a manual shut-off valve in the gas line
in an easily accessible location.
Note: Instead of using solid piping to connect
to pressure regulator, an approved flexible
metal appliance connector may be used
between the pipe stub and the shut-off valve
and the pressure regulator, if local codes
permit.
– Appropriate flare nuts and adapters are
required at each end of the flexible
connector.
•Turn on the gas. Check for leaks using a
liquid leak detector at all joints in the system
(the pressure test nipple is adjacent to the
gas inlet pipe on the rear right hand side of
the cooktop bottom.
3
Install
Pressure
Regulator
Step
Regulator
Solid Piping
or Flexible
Connector
Shut-Off
Valve
Pipe Stub
Do not use a flame to check for
gas leaks.
IMPORTANT: Disconnect the cooktop and
the individual shut-off valve from the gas
supply piping system during any pressure
testing of that system at test pressures greater
than 1/2 psig. Isolate the cooktop from the
gas supply piping system by closing the
individual manual shut-off valve to the
cooktop during any pressure testing of the gas
supply piping system at test pressures equal to
or less than 1/2 psig.
CAUTION
IL NE FAUT PAS UTILISER
DE FLAMME POUR VÉRIFIER S’IL Y A
DES FUITES.
CAUTION
PRUDENCE
2
Install the
Ductwork
Step
• The downdraft blower system is designed for
use with 3-1/4" x 10" ductwork. It can be
transitioned to 6" round.
•Ductwork MUST be vented to the outside –
never into a crawl space, attic or other
enclosed space.
•6" PVC duct should be used when installing
under a concrete slab.
Note: Local building code must be followed
for installation and in specifying approved
type and schedule of PVC duct used.
• DO NOT USE flexible plastic ducting.
• Always use appropriate roof or wall cap with
damper. Laundry type wall caps should
never be used.
• Use the straightest duct run possible.
• For satisfactory performance the duct run
should not exceed 150 ft. or its equivalent
length when bends or various fittings are
used. Refer to the table of equivalent lengths
to calculate your installation.
• Install ductwork so the piece of duct nearest
the downdraft unit slots INTO the next
piece of the duct. Secure the joints with self-
tapping screws and apply duct tape around
the joints to ensure an airtight seal.
Air
Duct Tape
Over Seam and Screw
Screw