Step 5: Gas Requirements And Hookup - Thermador Professional PRO-GRAND PD304 Manual Del Usuario

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Step 5: Gas Requirements and Hookup

Verify the type of gas being used at the installation site.
As shipped from the factory, units are configured for
use with natural gas.Make certain the range matches
the type of gas available at this location.
For installation of the appliance at high altitude, please
consult your local gas company for their recommen-
dation of the correct orifice sizes and any other
necessary adjustments that will provide proper gas
combustion at specified altitudes.
CAUTION
When connecting unit to propane gas, make
certain the propane gas tank is equipped with its
own high pressure regulator in addition to the
pressure regulator supplied with the appliance.
The pressure of the gas supplied to the appli-
ance regulator must not exceed 14"
(34.9 mb) water column.
Natural Gas Requirements:
Inlet Connection: 3/4" N.P.T. external
1/2" N.P.T. internal
(Minimum 3/4" dia. flex line.)
Supply Pressure: 6" to 14" water column.
(14.9 to 34.9 mb)
Manifold Pressure: 5" water column (12.5 mb)
Propane Gas Requirements:
Inlet Connection: 3/4" N.P.T. external
1/2" N.P.T. internal
(Minimum 3/4" dia. flex line.)
Supply Pressure: 11" to 14" water column.
(27.4 mb to 34.9 mb)
Manifold Pressure: 10" water column (24.9 mb)
WARNING
Gas line must not come in contact
with any components inside back
cover of range. Run gas line in
channel in back of range.
HOOK UP
A manual gas shut-off valve must be installed
external to the appliance, in a location accessible
from the front, for the purpose of shutting off the
gas supply. The supply line must not interfere with
the back of the unit. Make sure the gas supply is
turned off at the manual shut-off valve before
connecting the appliance.
The range is supplied with its own pressure regu-
lator that has been permanently mounted within
the range body.
Use 3/4" flex line to connect between the gas
supply and the appliance manifold pipe, which
exits the upper rear of the appliance. The appli-
ance manifold pipe connection is 3/4" NPT. (See
Photo A.) Use caution to avoid crimping the 3/4"
flex line when making bends.
The gas supply connections should be made by a
competent technician and in accordance with
local codes or ordinances. In the absence of a
local code, the installation must conform to the
National Fuel Gas Code ANSI Z223.1/NFPA54-
current issue.
Always use pipe dope or Teflon
threads, and be careful not to apply excessive
pressure when tightening the fittings.
Leak testing of the appliance shall be in accor-
dance with the following instructions.
• Turn on gas and check supply line connections
for leaks using a soap and water solution.
• Bubbles forming indicate a gas leak. Repair all
leaks immediately after finding them.
• Do not use a flame of any kind to check for
gas leaks.
Photo A
Use 3/4" flex line to connect between
the gas supply and the appliance
manifold pipe, which exits the upper
rear of the appliance.
13
®
tape on the pipe
Channel
for gas
line

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