XO Appliance XOI33SC User Manual page 21

make up air conversion
Code Compliance Control
Some local codes limit the maximum exhaust airflow of range hoods to 400 CFM
before a Make Up Air System is required.
The XOI33SC model is supplied with 600 CFM capacity.
The CCC system allows you to limit the hood from 600 CFM to 395 CFM.
To set up for 395 CFM Operation - follow the procedure below:
1. After the hood has been powered up initially, disconnect the power supply by shutting
off the circuit breaker.
VERY IMPORTANT, after turning power back on to the unit, you must press and hold
2.
both the and "0" buttons simultaneously within 5 seconds of re-powering the unit.
NOTE: If you do not press the buttons within the first 5 seconds after turning power back
on to the hood - the CCC function will not engage and you must repeat from Step 1.
3. The control blinks 3 times
4. The hood is now configured at 395 CFM - the POWER BOOST function is also
disabled.
5. Affix the sticker supplied to indicate the unit has been reconfigured to a maximum
air flow of 395 CFM.
6. Once reconfigured for 395 CFM, the unit cannot be reset to 600 CFM.
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