46
CHECKING THE FIRING RATE
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TO TURN OFF GAS SUPPLY
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on page 39.
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3. Close Main Gas Shutoff Valve, see Figure 37 on page 31
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Figure 44
HIGH ALTITUDE INSTALLATIONS
Breathing Hazard - Carbon Monoxide Gas
•
Special consideration must be taken with
installations above 7,700 feet (2,347 m).
•
Please contact an A. O. Smith qualified
service agent to obtain the proper
setup and instructions before lighting.
•
Failure to implement the proper setup
will
result
in
improper
and
inefficient
operation of the appliance resulting in
production of increased levels of
carbon monoxide gas in excess of the
safe limits which could result in serious
personal injury or death.
Breathing carbon monoxide can cause brain damage or
death. Always read and understand instruction manual.
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System on Page 23.