Step 6: Gas Requirements And Hookup - Thermador PROFESSIONAL PRO GRAND Installation Instructions Manual

STEP 6: 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
only natural gas or propane (LP) gas. Make certain the
range matches the type of gas available at this location.
These ranges are NOT convertible between different types
of gas.
NATURAL GAS REQUIREMENTS
Inlet Connection: 3/4'' (19mm) NPT external
1/2'' (12.7mm) NPT internal
(Minimum 3/4'' dia. flex line)
Supply Pressure: 6" min. to 14" max. water column.
(14.9 to 34.9 mb)
Manifold Pressure: 5" water column (12.5 mb)
PROPANE GAS REQUIREMENTS
Inlet Connection: 3/4'' (19 mm) NPT external
1/2'' (12.7 mm) NPT internal
(Minimum 3/4'' dia. flex line)
Supply Pressure: 11" min. to 14" max. water column.
(27.4 mb to 34.9 mb)
Manifold Pressure: 10" water column (24.9 mb)
Natural Gas and Propane (LP) Gas Appliances - This
appliance has been CSA certified for safe operation up to
an altitude of 2,000 ft (610 m) elevation above sea level.
For installation of the appliance at high altitudes above
2,000 ft (610 m) elevation above sea level, please consult
your local gas company for local requirements prior to
installation and use. It is required that a Certified
Professional make any adjustments necessary for use at
high altitude.
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 appliance regulator must not exceed 14" water
column (34.9 mb).
Installation Instructions
Hook Up
The gas supply connections shall be made by a competent
technician and in accordance with local codes or
ordinances. In the absence of local codes, the installation
must conform to the National Fuel Gas Code ANSI Z223.1/
NFPA54- current issue.
1. A manual gas shut-off valve (Figure 14) 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
regulator that has been permanently mounted
within the range body.
2. Locate the gas supply line connection at the back of
the range (Figure 14).
¾" (19 mm) external threads
½" (12.7 mm) internal threads
Manual gas shut-off valve
Manual gas shut-off valve
3. Use a ¾'' (19 mm) flex line to connect between the gas
supply and the appliance gas inlet. The appliance gas
inlet connection is ½'' (13 mm) NPT (Figure 14).
• Use caution to avoid crimping the ¾'' (19 mm) flex
line when making bends.
{
Adapter Adapter Adapter
or
¾" (19 mm) ¾" (19 mm) ¾" (19 mm)
Flex line Flex line Flex line
or
Adapter
Figure 14: Gas Supply Connection
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