manual

15
Airow Control Technology (ACT™)
Some local codes limit the maximum amount of CFM a range hood can move. ACT™ allows you to control the
maximumblowerCFM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tooneoftwomostcommonlyspeciedCFM
levels; 590, 390 or 290 CFM. The usage of ACT™maynotbenecessaryforyourinstallation.Pleasecheckyour
local codes for CFM restrictions.
By default the maximum blower CFM is set to 750.
ACT™ NOT AVAILABLE WITH 1300 CFM DUAL INTERNAL BLOWER OPTION
To enable ACT™
1. Before hood installation, gain access to PC board by following the steps shown in FIG. C.
2. Change plastic jumper positioning as shown in FIG. D to set the desired maximum blower CFM.
3. Re-install PC board & continue with hood installation.
4.RemovetheappropriatefoilCFMstickerincludedwiththehoodliteratureandplaceinsidethehoodbodybelow
the wiring diagram or in another clearly visible location.
NOTE: After re-positioning the jumper and powering on the hood, the CFM cannot be changed again.
To verify if your installer enabled ACT™
Withhoodo󰀨,holdtheOn/O󰀨buttonforthreeseconds.TheDisplaywillshowifACT™isdisabledandsettothe
maximumCFMorifACT™isenabledandsettooneoftherestrictedmaximumCFMlevelsof590,390or290.
There should also be a foil label located inside the hood body near the wiring diagram that indicates the blower CFM.
ACT™ Conversion
CAUTION:
Hood must be disconnected from main power prior to performing the
conversion instructions listed below. Failure to do so could result in
personal injury or damage to the product.
!
1 3 5 7
2 4 6 8
1 3 5 7
2 4 6 8
1 3 5 7
2 4 6 8
1 3 5 7
2 4 6 8
Max. Blower CFM 750
Jumper 7-8
DEFAULT POSITION
Max. Blower CFM
590
Jumper 5-6
Max. Blower CFM
390
Jumper 3-4
Max. Blower CFM
290
Jumper 1-2
1 3 5 7
2 4 6 8
PC Board
Jumper Pins
Plastic
Jumper
FIG. C
FIG. D
Models: AK76
- Locate PC board box on top of blower housing.
- Remove 4 screws attaching PC board cover.