ON/OFF Switch
Location: The heat exchanger has a rotary ON/OFF switch located on the left side of the unit.
Operation: Rotate the switch to make the heat exchanger run when in the ON position (horizontal) or
stop when in the OFF position (vertical). If a fault occurs, turning the switch to OFF and then back
ON will reset the fault. Note that city water backup is active while switch is in the OFF position.
ON/OFF switch, vertical position
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