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Desired discharge temperature settings
Set the desired outlet temperature setpoint by setting the rotating button on top.
Function description LED lights
LED 1
Flashing with frequency once every 3 seconds
Flashing with frequency once per second
Lights up continuously
LED 2
Lights up when there's heat demand
Maintenance
Attention: Switch off the power of both the ERV and the after-heater before carrying out any work!
Clean the heating element and other components at least annually and check them for damage.
Malfunction
No heat production
30
Stand by
ERV is in operation
Outlet temperature sensor defective, not connected
No electrical supply (230V), check the power supply,
fuse
Maximum thermostat: reset the locked maximum
thermostat with the button in the cover of the
connection box
Temperature sensor defective: check the resistance
of the sensor (10kΩ at 25 ° C). LED 1 lights up
continuously
Air pressure switch: check if the air flow is at least
1.5m / s
Control board defective: replace it.
ERV release: see description above
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