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To select mode of operation for ControlAir 15
Model 500 Only
Press and hold the fan selection button on the Control Pad. After 5 seconds the control will
begin to cycle each mode holding each for 2 seconds. Release the button when the desired
mode of operation is reached.
Modes of Operation LED Indication
OFF No LED’s illuminated HRV/ERV is off, no controls will
initiate operation.
Standby / On Steady Green LED and Yellow LED to indicate speed
HRV/ERV will run at speed selected in ventilation mode.
Standby mode is indicated by no speed indicator
illuminated. Optional remote controls will override standby
or selected speed into high speed.
20 On / 40 Off Flashing Green LED and Yellow LED to indicate speed
HRV/ERV will operate in ventilation mode at speed selected
for 20 minutes and OFF for 40 minutes.
To select speed
Momentarily press fan selection button and release. HRV/ERV will move into next speed.
OFF is indicated by no yellow LED illuminated. Speed 1 is the first yellow LED. Speed five is
indicated by a flashing speed 4 LED.
Automatic Defrost
During cold outdoor conditions the
HRV/ERV
will occasionally go into an automatic defrost
function, which will prevent ice from forming on the core. Defrost is indicated by a flashing Red
LED indicator.