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Ventilation Requirements & Guidelines
Ventilation Requirements
Most gas burning appliances produce CO (carbon monoxide), a poison. CO and heat must
be vented to the outside. A powered ventilation hood is required to remove these. The hood and
HVAC installation must meet local building and mechanical codes. In Australia, a ventilation
hood should be installed in accordance with AS5601 Gas Installation. Requirements vary through-
out the country depending on the location by city. Proper ventilation is the oven owner’s responsi-
bility. The AVI Hood system is designed to meet all requirements on XLT ovens and it is our rec-
ommendation that this system be used.
Ventilation Guidelines
Ventilation Performance Test
After the oven and ventilation hood have been installed and are operating, a smoke candle
can be used to “see” if the heat and products of combustion are being properly exhausted. Smoke
candles can be purchased through HVAC contractors. The test procedure is outlined below.
The oven must be operating at 450º-500ºF / 232º-260ºC.
The conveyor must be turned off.
The ventilation hood exhaust fan must be turned on.
Put a smoke candle in a pan on the conveyor belt at the center of the oven.
Observe the smoke pattern coming out of the oven.
The ventilation hood must capture all of the smoke from the oven. An air balance test can
help determine the proper amount of exhaust and make-up air flow rates.
Obtain information from the authority having jurisdiction to determine the requirements for
your installation. Your ventilation hood supplier and HVAC contractor should be contacted to
provide guidance. An air balance test is highly recommended, performed by a licensed contractor.
A properly engineered and installed ventilation hood and HVAC system will expedite approval,
reduce oven maintenance cost, and provide a more comfortable working environment.
Oven & Hood Interlock
An interlock system between the oven and hood is highly recommended and is required in
some jurisdictions. AVI hoods have this feature.
Summary of Contents for 1832-AE-B
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Page 95: ...95 Oven Schematic 1832 2440 3240 3255 3855 Square Burner Standard ...
Page 96: ...96 Oven Schematic 1832 2440 3240 3255 3855 Square Burner World ...
Page 97: ...97 Oven Schematic 1832 2440 3240 3255 3855 Round Burner Australia ...
Page 98: ...98 Oven Schematic 3270 3870 Square Burner Standard RH Control Box ...
Page 99: ...99 3270 3870 Square Burner Standard LH Control Box Oven Schematic ...
Page 100: ...100 Oven Schematic 3270 3870 Square Burner World RH Control Box ...
Page 101: ...101 Oven Schematic 3270 3870 Square Burner World LH Control Box ...
Page 102: ...102 3270 3870 Round Burner Australia LH Control Box Oven Schematic ...
Page 103: ...103 Oven Schematic 3270 3870 Round Burner Australia RH Control Box ...
Page 104: ...104 Hood Schematic Standard ...
Page 105: ...105 Hood Schematic World ...