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g a s s u P P l Y & i n s t a l l a t i o n
gas leaK testing
If a pressure leak test above 1/ 2 psi (34,5 mbar) is
to be performed on the building supply gas piping,
the shut-off gas valve and oven inlet gas supply
line must be disconnected from the building supply
piping before conducting the pressure test. Failure to
do so may result in damage to the manual gas valve,
gas components in the oven, or both.
If any gas leak tests are to be conducted at pressures
equal to or below 1/ 2 psi (34,5 mbar), the manual
gas shut-off valve upstream of the oven must be
turned off before conducting the tests.
Leak testing of the internal oven piping system was
conducted before shipping the oven from the factory.
If additional testing is needed, it should only be
conducted at normal gas supply pressures. If the
testing is performed using combustible gas in the
piping, the leak checking should be done with a soap
solution (bubble checking).
gas eXHaust
The oven is not designed for direct connection to a
chimney vent system or for direct connection to a
horizontal exhaust system.
The oven must be installed under a ventilation
hood listed to ANSI/UL 705 (latest edition), and the
installation must be completed in accordance with
the ANSI/NFPA 96-1987, Standard for Ventilation
Control and Fire Protection of Commercial Cooking
Operations.
Oven operators should be instructed with regard
to the hazards of placing any material on top of the
oven that would obstruct
the flow of flue products
out the opening of the flue
diverter. Operators should
also be instructed with
regard to the hazards of
hot flue gases and that any
material or items placed on
top of, or in front of the flue
defector could be damaged
or cause a fire hazard.
COMBITHERM CT PROFORMANCE AND CT CLASSIC SERIES • INSTALLATION MANUAL • MN-35947 • 47.
installation
The use of an electronic combustible gas leak
detector is helpful, however, this type of detector can
be oversensitive. Electronic detectors may indicate
false leaks from other sources which would not be
detected when checking with a liquid solution to
verify a no-hazard gas connection.
When starting the oven after initial installation, the
gas lines must be free of air. It may take up to 30
minutes to eliminate all air from the lines. If, after
this time there is no heat, call for factory assistance.
W a r n i n g
Never use an open fl ame or other ignition
sources to check for gas leakage. Failure
to do so may cause a fi re or explosion
and result in serious injury or death.
d a n g e r
Before starting the appliance, make
certain you do not detect the odor
of gas.
IF YOU SMELL GAS:
• Shut off the gas supply immediately.
• Do not attempt to light any appliance.
• Do not touch any electrical elements.
• Extinguish any open fl ame.
• Evacuate the area.
• Use a telephone outside the property
and immediately contact your gas
supplier.
• If unable to contact your gas supplier,
contact the fi re department.
W a r n i n g
DO NOT obstruct or block exhaust
flues or attach any flue extension that
may impede proper burner operation,
restrict the exhaust fumes and cause
negative backdraft or the appliance
to shut down. Failure to do so may
result in serious injury or death.
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