Airxcel RVP INFRARED REMOTE CONTROL SYSTEM Operating Instructions Manual page 11

2. Heat override operation
(Note: With gas heat appliance connected to the upper unit)
a) By pressing the "HEAT" button on the receiver, the system automatically
defaults to the "heat" setting of 68°F and the AUX. HEAT red LED will
flash.
b) This mode of operation is useful in the event the remote battery goes low
or the remote is misplaced.
c) Pressing the "HEAT" button a second time will turn the unit off and the
AUX. HEAT red LED will turn off.
3. System LED (green)
a) The LED is off when the power is off, the 12VDC is removed, the
communication cable is not connected, or the unit is in heat override.
b) The LED is on when the power is on.
c) The LED is flashing slow and steady when the unit is in cooling override.
4. Auxiliary heat LED (red)
a) The LED is on when the auxiliary heat is on.
b) The LED is flashing slow and steady when the unit is in heating override.
5. Buzzer
a) The buzzer will beep one time when the receiver board has received a
valid command from the remote transmitter.
b) The buzzer will double beep when the receiver board has received an
invalid command from the remote transmitter.
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