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Installation
Gas Connection
PRESSURE REGULATION AND TESTING
SG3240G ovens are rated at 110,000 BTU/Hr.
(32.2 kW/Hr.) (116 MJ/hr) Each oven has been ad-
justed at the factory to operate with the type of gas
specified on the rating plate attached to the left
side of the operator control.
Each oven is supplied with a regulating gas valve
to maintain the proper gas pressure. This valve
assembly is essential to the proper operation
of the oven and should not be removed or re-
placed with another model unless approved by
Blodgett. It is preset to provide the oven with 3.5"
W.C. (0.87 kPa) for natural gas and propane while
the flame is on. The regulator is part of the gas
valve, between the manual shutoff valve on the
rear of the electrical box and the burner assembly.
DO NOT INSTALL AN ADDITIONAL REGULATOR
WHERE THE OVEN CONNECTS TO THE GAS
SUPPLY UNLESS THE SUPPLY EXCEEDS THE
MAXIMUM.
NOTE: The maximum gas supply pressure to the
oven is 10.5" W.C. (2.61 kPa) for natural
gas and 13" W.C. (3.24 kPa) for Propane
gas. The minimum gas supply pressure to
the oven is 4.5" W.C. (1.12 kPa) for natural
gas and 11" W.C. (2.74 kPa) propane.
Gas Connection 6.5" (165 mm)
Installation must conform with local codes, or in
the absence of local codes, with the National Fuel
Gas Code, NFPA54/ANSI Z223.1 ---Latest Edition,
the Natural Gas Installation Code CAN/CGA-
B149.1 or the Propane Installation Code, CAN/
CGA-B149.2 as applicable.
The oven and its individual shutoff valve must be
disconnected from the gas supply piping system
during any pressure testing of that system at test
pressures in excess of 1/2 psig (3.45kPa).
The oven must be isolated from the gas supply
piping system by closing its individual manual
shutoff valve during any pressure testing of the
gas piping system at test pressures equal or less
than 1/2 psig (3.45kPa).
Figure 19
22
Gas Connection 9" (229 mm)
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