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GAS PiPiNG iNSTALLATiON
i NOTE:
The shut-off gas cock must be installed outside of |
3
the unit and should meet the specifications of all applicable
1
national and local codes.
2.Install a ground union joint downstream of the shut-off cock.
This joint must also be installed outside of the unit,
3.Install a drip leg at least six (6) inches in depth next to the
union as shown in Figure 14. This drip leg is required to
collect any sediment that may be deposited in the line,
4.Before connecting the piping circuit to the unit, bleed the air
from the supply line. Then cap or plug the line and test the
pressure at the tapped shut-off cock. The pressure reading
should not exceed 13.8 inches water column.
5.Using an appropriate backup wrench on the gas valve inlet
boss, connect
the gas piping to the unit.
Check the
completed piping for leaks using a soap and water solution
or the equivalent.
6.After installation of the gas pipe in the unit, the pipe chase
opening should be closed with the fitter/barrier plug pro-
vided.
MANIFOLD
PRESSURE
Check the manifold pressure at the unit gas valve.
Do not
exceed the recommended pressure shown on the unit name-
plate.
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FLUE AND HOOD ILLUSTRATION
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BURNER & VALVE ILLUSTRATION
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SCREW:
51/32"
HEX
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SWITCH
\
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VIEW
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WHITE RODGERS 36G
CONNECTOR
GAS
VALVE
WITH
MANUAL "ON/OFF"
SWITCH
SWITCH
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/
SPRING
_
DETAIL_ : At
WHITE RODGERS 36E
GAS
VALVE
WITH
MANUAL
"ON/OFF"
SWITCH
Page 14
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