Wiring Diagrams - Zephyr AK7500BS Use, Care And Installation Manual

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Some local codes limit the maximum amount of CFM a range hood can move. ACT allows you to
control the maximum blower CFM of hoods with of select Zephyr Ventilation range hoods without the
need for expensive make up air kits. ACT enables the installer to easily set the maximum blower speed
necessary for your installation. Please check your local codes for CFM restrictions.
By default the maximum blower CFM is set to 650.
To verify if your installer enabled ACT; With hood off, press and hold the blower on/off button for three
seconds. If the number 6 displays = defualt max. CFM, if the number 3 displays = max. 390 CFM, and
if the number 2 displays = max. 290 CFM. When ACT is enabled, the number of blower speeds will be
reduced. 390 CFM = max. 3 speeds and 290 CFM = max. 2 speeds. There should also be a foil label
located inside the hood body near the wiring diagram that indicates the blower CFM.
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