Use and Care Manual / Installation Instructions
20
www.zephyronline.com
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Some local codes limit the maximum amount of CFM a range hood can move. ACT allows you to control the
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levels; AK9228AS & AK9234AS - 290 or 390 CFM, AK9240AS & AK9446AS - 590 or 390 CFM. The usage of ACT
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By default the maximum blower CFM is set to 600 for AK9228AS & AK9234AS and 1200 for AK9240AS & AK9246AS.
To enable ACT
1. Before hood installation, gain access to PC board by following the steps shown in FIG. 8.
2. Change plastic jumper positioning as shown in FIG. 9 to set the desired maximum blower CFM.
3. Re-install PC board & continue with hood installation.
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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 for AK9228AS & AK9234AS
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To verify if your installer enabled ACT for AK9240AS & AK9246AS
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When ACT is enabled, the number of blower speeds will be reduced.
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There should also be a foil label located inside the hood body near the wiring diagram that indicates the blower
CFM.
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.
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PC Board
1
3
5
7
2
4
6
8
Jumper 5-6 or 7-8
DEFAULT POSITION
Default Max. Blower CFM
Jumper 3-4
Max. Blower CFM
AK9228AS & AK9234AS - 390
Jumper 1-2
Jumper Pins
Plastic
Jumper
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
AK9228AS & AK9234AS - 290
AK9240AS & AK9246AS - 590 AK9240AS & AK9246AS - 390
- (If applicable)Remove both spacer panels by 2
screws for each spacer panel.
- Remove baffle filters and residue tray.
- Remove 5 screws attaching light panel.
- PC board located behind the light panel.
FIG. 8 FIG. 9
ACT Conversion