44
INITIAL START UP
REQUIRED TEST EQUIPMENT
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PREPARATION
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position.
3. Close the manual gas shut off valve, see Figure 37 on page 31.
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6. Open the Main Gas Shutoff Valve.
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Supply Systems on Page 17.
MANIFOLD GAS
PRESSURE
TEST PORT
(Non-Adjustable)
SUPPLY GAS
PRESSURE
TEST PORT
GAS CONTROL VALVE / VENTURI ASSEMBLY TOP VIEW
VENTURI
COMBUSTION
AIR INLET
GAS CONTROL
VALVE
COMBUSTION
BLOWER
CONNECTION
Figure 41
MANIFOLD GAS
PRESSURE
TEST PORT
(Non-Adjustable)
SUPPLY GAS
PRESSURE TEST PORT
GAS CONTROL VALVE TOP DETAIL VIEW
Figure 42
GAS CONTROL VALVE / VENTURI ASSEMBLY SIDE VIEW
VENTURI
SUPPLY GAS
CONNECTION
GAS
VALVE
COMBUSTION
AIR INLET
Figure 43