1. Continuous / Ventilation Mode
In this mode of operation both fans are operating and exchanging inside air for outside air. The energy recovery ventilator (ERV) will
operate at the selected rate, either at
low or medium speed, and switches to high speed when activated by an optional remote control.
The "LOW (reduced)" and "HIGH (Normal)" fan speed selection will cause the unit to operate in continuous ventilation mode at a
reduced exchange rate. Continuous mode is recommended, since pollutants are slowly but constantly being generated in a building.
2. Intermittent / Standby Mode
The system is always on standby and operates at high speed when activated by an optional remote control (required): "Standby"
should be selected if the user wishes to stop the unit from continuous exchange.
3. Defrost by evacuation
A preset defrost sequence is activated at an outdoor air temperature of 23°F (-5°C) and lower.
During the defrost sequence, the supply blower shuts down & the exhaust blower continues to ventilate for a preset time. The unit
then returns to the normal operation, and continues the cycle.
Modes of operation
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