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.
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