Step 5: Gas Requirements And Hookup - Thermador PD304 Installation Instructions Manual

Step 5: Gas Requirements and Hookup

Verify the type of gas being used at the installation
site. As shipped from the factory, all units are config-
ured for use on natural gas. For use with propane gas,
the unit must be converted. Field conversion for use
with propane must only be done by qualified service
personnel. Contact the dealer where the unit was
purchased or Thermador (800/735-4328). The field
conversion kit for all Professional Dual Fuel (PD
series) ranges is Thermador Model PLPKIT.
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 appli-
ance. The pressure of the gas supplied to the
appliance regulator must not exceed 14" (37mb)
water column.
Natural Gas Requirements:
I
nlet Connection: 3/4" N.P.T. external;
1/2" internal N.P.T.
(Minimum 3/4" dia. flex line.)
Supply Pressure: 6" to 14" water column.
(14.9 to 37 mb)
Manifold Pressure: 5" water column (12.5 mb)
Propane Gas Requirements:
Inlet Connection: 3/4" N.P.T. external;
1/2" internal N.P.T.
(Minimum 3/4" dia. flex line.)
Supply Pressure: 11" to 14" water column.
(27.4 mb to 37 mb)
Manifold Pressure: 10" water column (24.9 mb)
WARNING
Gas line cannot be run inside back
cover of range. Run gas line in
channel in back of range.
CAUTION
HOOK UP
• A manual gas shut-off valve must be installed
external to the appliance, in an accessible location
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 left rear of the appliance. The
appliance 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® tape on the pipe
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 manufacturer's instructions.
• Turn on gas and check supply line connections for
leaks using a soap solution. Do not use a flame of
any sort to check for leaks.
Photo A
Use 3/4" flex line to connect be-
tween the gas supply and the appli-
ance manifold pipe, which exits the
upper left rear of the appliance.
Page 14
Channel
for gas
line