A) On/Off Conditions: Overview - A.O. Smith 110 Indoor Service Manual

12-7. (A) ON/OFF conditions: Overview

The following table shows the ON/OFF conditions of the water heater.
Conditions needed to turn
Conditions needed to turn
*Only if the set temperature is below 115°F (46˚C).
ON/OFF Conditions
The BTU requirement is more than 29,800 BTU/h.
Inlet temperature is lower 5.4°F than the set
ON.
temperature and the BTU requirement is more than
14,880 BTU/h
The BTU requirement is lower than 11,900 BTU/h.
*Inlet temperature is higher than the temperature that
OFF.
is -18°F below the set temperature.
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