OAU LOW CFM — Not enough outside air is being drawn in

Was bedeutet OAU LOW CFM ?

This alarm means the ERV is not achieving the desired amount of outside air. The actual outside air CFM is less than 10% of the commanded amount.

• Outside air CFM setpoint is too high
• Air filter or screen is dirty or plugged
• Pressure tubing is incorrect or disconnected
• Wrong outside air CFM curve programmed
• Indoor fan speed is too low

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check and clean or replace the air filter and any screens.

2. 2

   Verify the outside air CFM setpoint is appropriate.

3. 3

   Inspect pressure tubing for correct connection and condition.

4. 4

   Ensure the indoor fan speed is set correctly.

5. 5

   Reset the alarm if the condition is resolved.