Zephyr ZMI-M90BG Hood User Manual

Use, Care, and Installation Guide

www.zephyronline.com

Model number:

Serial Number:

NOV18.1001 © Zephyr Ventilation LLC.

For use with models of serial numbers beginning with 24

Airﬂow Control Technology

TM

C

+

Milano Wall

ZMI-M90BS

ZMI-M90BG

www.zephyronline.com

1

SAFETY NOTICE ................................................................. 2-3

LIST OF MATERIALS ....................................................... 4

INSTALLATION

Ducting Calculation Sheet ....................................... 5

Mounting Height & Clearance ................................ 6

Ducting Options ........................................................... 7

Hood Specications ................................................... 8

Mounting the Range Hood ...................................... 9

Ductless Recirculating .............................................. 10

FEATURES & CONTROLS

Touch Controls ............................................................. 11

User Interface ............................................................... 12

MAINTENANCE

Hood and Filter Cleaning ......................................... 13

TROUBLESHOOTING................................................................ 14

FAN CURVE DIAGRAMS ......................................................... 15-16

WIRING DIAGRAM ...................................................................... 17

LIST OF PARTS AND ACCESSORIES .............................. 18

WARRANTY .................................................................................... 19

PRODUCT REGISTRATION .................................................... 20

Table of Contents

Important Safety Notice

READ AND SAVE THESE INSTRUCTIONS

2

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WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT USE THIS FAN WITH ANY SOLID-STATE CONTROL DEVICE.

WARNING

TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:

a. Use this unit only in the manner intended by the manufacturer, if you have questions, contact the manufacturer.

b. Before servicing or cleaning unit, switch power off at service panel and lock panel to prevent power from being switched on accidentally.

When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service

panel.

CAUTION

For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors. Take care when using cleaning

agents or detergents. Suitable for use in household cooking area.

WARNING

TO REDUCE THE RISK OF RANGE TOP GREASE FIRE:

a. Never leave surface units unattended at high settings. Boilovers cause smoking and greasy spillovers that may ignite. Heat oils slowly

on low or medium settings.

b. Always turn hood ON when cooking at high heat or when aming food

c. Clean ventilating fans frequently. Grease should not be allowed to accumulate on fan or lter.

d. Use proper pan size. Always use cookware appropriate for the size of the surface element.

e. Keep fan, lters and grease laden surfaces clean.

f. Use high setting on hood only when necessary.

g. Don’t leave hood unattended when cooking.

h. Always use cookware and utensils appropriate for the type of and amount of food being prepared.

WARNING

TO REDUCE THE RISK OF INJURY TO PERSONS IN THE EVENT OF A RANGE TOP FIRE, OBSERVE THE FOLLOWING:

a. SMOTHER FLAMES with a close-tting lid, cookie sheet, or metal tray, then turn off the burner. BE CAREFUL TO PREVENT BURNS.

If the ames do not go out immediately, EVACUATE AND CALL THE FIRE DEPARTMENT.

b. NEVER PICK UP A FLAMING PAN – You may be burned.

c. DO NOT USE WATER, including wet dishcloths or towels – a violent steam explosion will result.

d. Use an extinguisher ONLY if:

1. You know you have a Class ABC extinguisher, and you already know how to operate it.

2. The re is small and contained in the area where it started.

3. The re department is being called.

4. You can ght the re with your back to an exit

WARNING

TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:

a. Installation work and electrical wiring must be done by qualied person(s) in accordance with all applicable codes and standards.

Including re-rated construction.

b. Sufcient air is needed for power combustion and exhausting of gases through the ue (chimney) of fuel burning equipment to prevent

back-drafting. Follow the heating equipment manufacturer’s guideline and safety standards such as those published by the National

Fire Protection Association (NFPA) and the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) and

the local code authorities.

c. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.

d. Ducted fans must always vent to the outdoors.

e. NEVER place a switch where it can be reached from a tub or shower.

f. Make sure the power is off before installing, wiring or maintenancing.

Important Safety Notice

3

WARNING

TO REDUCE THE RISK OF FIRE, USE ONLY METAL DUCTWORK.

CAUTION

To reduce risk of re and to properly exhaust air outside - Do not vent exhaust air into spaces within walls, ceilings,

attics, crawl spaces or garages.

OPERATION

Always leave safety grilles and lters in place. Without these components, operating blowers could catch onto hair, ngers

and loose clothing.

The manufacturer declines all responsibility in the event of failure to observe the instructions given here for installation,

maintenance and suitable use of the product. The manufacturer further declines all responsibility for injury due to

negligence and the warranty of the unit automatically expires due to improper maintenance.

*NOTE: Please check www.zephyronline.com for revisions before doing any custom work.

ELECTRICAL REQUIREMENTS

Important:

Observe all governing codes and ordinances.

It is the customer’s responsibility:

- To contact a qualied electrical installer.

- To assure that the electrical installation is adequate and in conformance with National Electrical Code, ANSI/NFPA 70

latest edition* or CSA standards C22.1-94, Canadian Electrical Code, Part 1 and C22.2 No.0-M91 - latest edition** and

all local codes and ordinances.

If codes permit and a separate ground wire is used, it is recommended that a qualied electrician determine that the

ground path is adequate.

Do not ground to a gas pipe.

Check with a qualied electrician if you are not sure the range hood is properly grounded.

Do not have a fuse in the neutral or ground circuit.

*National Fire Protection Association Batterymarch Park, Quincy, Massachusetts 02269

** CSA International 8501 East Pleasant Valley Road, Cleveland, Ohio 44131-5575

This appliance requires a 120V 60Hz electrical supply and connected to an individual properly grounded branch circuit

protected by a 15 or 20 ampere circuit breaker or time delay fuse. Wiring must be 2 wire with ground. Please also refer to

Electrical Diagram on product.

A cable locking connector (not supplied) might also be required by local codes. Check with local requirements, purchase

and install appropriate connector if necessary.

ZMI-M90BS - 215 Watts, 4 Amps

ZMI-M90BG - 215 Watts, 4 Amps

Power consumption shown above is the default power specs. Hoods with Zephyr’s proprietary Airow Control Technology

(ACT) enabled will consume less power. See wiring diagram at the end of this manual for more information.

4

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(3) Wire Nuts

(3) M6 x 1-1/2”

(3) M6 x 1”

(2) M3.5 x 8

PARTS NOT SUPPLIED

- Ducting, conduit and all installation tools

- Cable connector (if required by local codes)

- Duct cover extension accessory

- Recirculating kit accessory

HARDWARE PACKAGE CONTENTS

MODELS: ZMI-M90BS, ZMI-M90BG

1 - Hood body with internal blower

1 - Aluminum mesh filter

1 - Duct cover assembly, top and bottom

1 - Duct cover wall bracket

2 - 6W LED light bulbs

1 - 8” round damper, pre-installed

1 - Hardware package

1 - Canopy , glass or stainless steel

PARTS SUPPLIED

(1) ø12 OD / ø5 ID

Washers

(4) 3/16 x 1/4 pan-head

machine screws

List of Materials

5

Duct pieces

To tal

Equivalent number

length x used =

3- 1/ 4” x 10”

Rect.,

straight

1 Ft. x ( ) =

Ft.

3- 1/ 4” x 10”

Rect. to

6” round

transition

5 Ft. x ( ) =

Ft.

3- 1/ 4” x 10”

Rect. to

6” round

transition

90

0

elbow

20 Ft. x ( ) =

Ft.

6”, 7”, 8”, 10”

Round,

90

0

15 Ft.

x ( ) =

Ft.

6”, 7”, 8”, 10”

Round,

45

0

9 Ft. x ( ) =

Ft.

6”, 7”, 8”, 10”

Round,

straight

1 Ft. x ( ) =

Ft.

Subtotal column 1 =

Duct pieces

To tal

Equivalent number

length x used =

6”, 7”, 8”, 10”

Round, wall

cap with

damper

30 Ft. x ( ) =

Ft.

6”, 7”, 8”, 10”

Round

roof cap

30 Ft. x ( ) =

Ft.

Subtotal column 2 =

Subtotal column 1 =

Total ductwork =

Maximum Duct Length: For satisfactory air movement,

the total duct length

should not exceed 100 equivalent feet.

6” round to

3- 1/ 4” x 10”

rect.

transition

1 Ft. x ( ) =

Ft.

6” round to

3- 1/ 4” x 10”

rect.

transition

90

0

elbow

16 Ft. x ( ) =

Ft.

7” round to

3 1/ 4” x 10”

rect.

transition

8 Ft. x ( ) =

Ft.

7” round to

3- 1/ 4” x 10”

rect.

transition

90

0

elbow

23 Ft. x ( ) =

Ft.

elbow

7” to 6” or

8” to 7” Round

tapered

reducer

25 Ft. x ( ) =

Ft.

3- 1/ 4” x 10”

Rect. 90

0

elbow

15 Ft. x ( ) =

Ft.

3- 1/ 4” x 10”

Rect. 45

0

elbow

9 Ft. x ( ) =

Ft.

3- 1/ 4” x 10”

Rect. 90

0

flat elbow

24 Ft. x ( ) =

Ft.

3- 1/ 4” x 10”

Rect.

wall cap

with damper

30 Ft. x ( ) =

Ft.

Ft. x ( ) =

Ft.

15

6”, 7“, 8”

Round

in-line

damper

Installation – Ducting Calculation Sheet

Installation – Mounting Height & Clearance

6

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DUCTING

A minimum of 8” round duct is recomended to

maintain maximum air ow efciency.

Always use rigid type metal ducts only. Flexible

ducts could restrict air ow by up to 50%.

Use calculation worksheet to compute total duct

work (Page 5).

ALWAYS, when possible, reduce the number of

transitions and turns. If a long duct run is required,

increase duct size from 8” to 10”.

If turns or transitions are required: Install as far

away from duct opening and as far apart between

the two transitions as possible.

Minimum mount height between range top to hood

bottom should be no less than 26”.

Maximum mount height should be no higher than

34”.

It is important to install the hood at the proper

mounting height. Hoods mounted too low could

result in heat damage and re hazard; while hoods

mounted too high will be hard to reach and will

loose its performance and efciency.

If available, also refer to range manufacturer’s

height clearance requirements and recommended

hood mounting height above range. Always check

your local codes for any differences.

Duct cover extension kit available for ceiling

heights up to 12 feet. Turn to page 18 for part

number and ordering information.

DAMAGE-SHIPMENT / INSTALLATION:

• Please fully inspect unit for damage before

installation.

• If the unit is damaged in shipment, return the

unit to the store in which it was bought for

repair or replacement.

• If the unit is damaged by the customer, repair

or replacement is the responsibility of the

customer.

• If the unit is damaged by the installer (if other

than the customer), repair of replacement must

be made by arrangement between customer

and installer.

26” min.

34” max.

min. A

min. B

max. C

min. D

min. E

max. F

Standard Extension

Hood Heights Duct Cover Duct Cover

minimum ducted (A) 26-

1/2” 42“

minimum recirculating (B) 31” 46“

maximum (C) 50” 80”

Ceiling Heights

minimum ducted (D) 88-1/2” (7’ 4-

1/2) 104“ (8‘ 8”)

minimum recirculating (E) 93” (7’ 9”) 108“ (9‘)

maximum (F) 120” (10’ ) 150” (12’ 6”)

36”

7

WARNING FIRE HAZARD

NEVER exhaust air or terminate duct work into spaces between walls, crawl spaces, ceiling, attics or garages.

All exhaust must be ducted to the outside, unless using the recirculating option.

Use single wall rigid Metal ductwork only.

Fasten all connections with sheet metal screws and tape all joints w/ certied Silver Tape or Duct Tape.

Some Ducting Options

Installation – Ducting Options

side wall cap

w/ gravity damper

Soffit or crawl space

Roof Pitch w/

Flashing & Cap

ductless

recirculating

side wall cap

w/ gravity damper

(blower

housing)

(blower

housing)

(blower

housing)

(blower

housing)

8

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Installation – Hood Specications

side of hood

front of hood

top of hood

STANDARD

min. ducted - 26

1/2”

min. recirc. - 31”

max. - 50”

Z1C-01MI

min. ducted - 42”

min. recirc. - 46”

max. - 80”

13 5/8”

20 1/2”

12 13/16”

23 15/16”

6 3/8”

18 1/16”

8 3/8”

35 3/16”

4 1/8”

5 3/4”

AC In

7 3/4”

9

1. Measure from range top to hood bottom and mark line A. (26”

minimum from range top) .

2. Plum and mark center line.

3. Mark mounting height line B. (18 5/8” from line A)

4. Mark mounting spread from C/L. (11 1/4”)

5. Fasten (2) M6 x 1-1/2” screws into studs on line B but do not

tighten all the way. Note: Wood blocking may need to be

added behind the drywall if no studs are present. Wall

anchors may also be used but check local codes for

compliance. Failure to use suitable wall anchors and

screws to hold the weight of the hood could result in

personal injury or damage to cooking surface or counter.

6. Remove tape and (2) screws securing electronics mounting

bracket to hood. Reposition electronics mounting bracket as

shown in (FIG. B #3) and secure to motor housing using the (2)

previously removed screws.

7. Remove (2) screws securing electrical junction box to

electronics mounting plate. Remove junction box. (FIG. B # 1)

8. Remove the (1) aluminum mesh lter.

9. Hang hood onto the mounting screws and hand tighten each

screw. (FIG. A #1) Secure third M6 x 1-1/2” screw through inside

of hood into wall for extra support. (FIG. A #2)

10. Center and attach duct cover mounting bracket to wall just

below the ceiling or soft using (2) M6 x 1” screws.

11. Install electrical and duct work. Seal duct work with aluminum

duct tape. Re-install electrical junction box with cable lock and

install the electrical. (FIG. B #2)

12. Power up hood and check for leaks around duct tape.

13. Place telescopic duct covers onto hood and extend inner (top)

duct cover upwards and secure to duct cover bracket using (2)

M3.5 x 8 screws.

14. Place canopy over hood body and secure it to hood body

using (4) 3/16 x 1/4 screws through lter opening. Hand tighten

screws only.

15. Reinstall aluminum mesh lter.

* If using hood in recirculating mode you must secure the air diverter

plate onto wall before installing duct work and duct covers. Turn

to page 10 for more details.

11 1/4”

18 5/8”

Brackets are

pre-installed

2

26” min

1

CAUTION: At least two installers ar

e

required

due to the weight and size of th

e

hood.

!

WARNING: Electrical wiring must be done by a qualified person(s) in

accordance with all applicable codes and standards. This range hood must be

properly grounded. Turn off electrical power at service entrance before wiring.

!

Installation – Mounting the Hood

Cable Lock

2

1

3

Motor Housing

Cable Lock

A cable locking connector (not supplied) might

be required by local codes. Check with local

requirements and codes, purchase and install

appropriate connector if necessary.

FIG. A

FIG. B

10

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Ductless recirculation is intended for applications where an exhaust duct work is not possible to be installed.

When converted, the hood functions as a recirculating hood rather than an exhaust hood. Fumes and exhaust

from cooking are drawn and ltered by a set of optional charcoal lters. The air is then puried and re-

circulated back within the home.

We recommend to ALWAYS exhaust air outside of the home by employing existing or installing new duct

work, if possible. The hood is most effective and efcient as an exhaust hood. Only when the exhaust option

is not possible should you recourse to converting the hood into a recirculating hood.

When converted to be a recirculating hood, a set of charcoal lters are required on top of its standard

Aluminum Mesh Filter set. Order according to its Part number below. The standard Aluminum Mesh Filters

are intended to capture residue from cooking and the optional charcoal lters help to purify fumes exhausted

from cooking for re-circulation.

RECIRCULATING KIT (REQUIRED IF NO DUCTING IS USED)

Kit includes charcoal lters and air diverter plate.

Hood Model Part No. Filters in Pkg.

ZMI-M90BG/BS ZRC-00MI 2

1. Purchase recirculating kit per the part number above

2. Secure air diverter plate to wall below duct cover bracket. (FIG.

C) Run 8” ducting from top of hood and secure to air diverter

plate. See manual included with recirculating kit for more

detailed instructions.

3. Remove aluminum mesh lter from hood. Install charcoal lter

bracket inside lter opening. Note: screws to secure charcoal

lter bracket are already pre-installed in the hood and must rst

be removed. Clip charcoal lters onto charcoal lter bracket.

(FIG. C)

4. Re-Install aluminum mesh lter.

5. Enable charcoal lter change indicator on control panel. (Refer

details to pg. 12)

6. Charcoal lters must be replaced after every 120 hours of use

(or approximately every 3 to 4 months based on the average

of 1 - 2 hrs. of daily cooking time). The microprocessor in

the controls when set, will elapse and count usage time and

indicate when charcoal lter replacement is required every 120

hours.

Charcoal Filter Replacements

Hood Model Part No. Qty to Order

ZMI-M90BS/BG Z0F-C002 2

DO NOT WASH CHARCOAL FILTERS. Charcoal lters may need

to be changed more often depending on cooking habits.

Installation – Ductless Recirculating

FIG. C

11

Lights On/Dim/Off

Display (speed level, delay off, filter clean/change,clean air)

Adjust 6 Speed Levels

Power / Delay Off

1 Power / Delay Off Button

Power Button Function

- Button will turn power on and off for entire hood (fan and lights).

- Hood will remember the last speed and light level it was turned off at.

(Example: Press Button to turn off hood when on fan speed 4 and high lights. Press Button again and the hood

will turn back on at speed 4 and high lights level.)

Delay Off Button Function

- Press and hold Button for two seconds and the fan will turn on speed 1. The Graphic will illuminate. After five minutes

the fan and lights will automatically turn off.

- Pressing Button while Delay Off Function is enabled will turn the hood off and cancel the Delay Off Function.

ACT Verification

- Airflow Control Technology (ACT) allows the installer to set the maximum blower CFM to align with local codes and regulations.

- To verify the maximum blower CFM:

- With hood off, hold the Button for three seconds. The blower CFM will be displayed on the LCD.

2 Speed Selection Button

Fan Speed Decrease Button

- Press this button to decrease fan speed. 6 (burst), 5, 4, 3, 2, 1.

- If fan is On Speed 1 and this button is pressed, fan will power Off.

Fan Speed Increase Button

- Press this button to increase fan speed. Fan On, 1, 2, 3, 4, 5, 6 (burst).

- If hood is Off and this button is pressed, fan will turn On Speed 1.

Burst Mode

- This speed level is intended to be used as a quick burst of air extraction when excess cooking fumes and smoke are

generated. After 3 minutes the fan will automatically change to Speed 5.

3 Lights Button

- Lights are two levels, High and Low.

- From off, press one time for High. LCD will show the words “

lights hi

” for 2 seconds then fade away.

- Press again for Low. LCD will display the words “

lights lo

” for 2 seconds then fade away.

- Press again to power lights off.

clean mesh filter

clean air

replace charcoal filter

Features & Controls - Touch Controls

Features & Controls – User Interface

12

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Mesh Filter Clean Indicator (always enabled)

- After 30 hours of fan usage the Graphic and words “

clean mesh filter” will illuminate indicating it is time to clean

the mesh filters. Graphic and words will remain illuminated until reset.

- To reset: With hood off, hold the Button for three seconds, after three seconds the Graphic and words “

clean mesh

filter

” will turn off and the 30 hour timer will reset.

Charcoal Filter Replace Indicator (disabled by default, must be enabled if recirculating hood)

- To enable Charcoal Filter Replacement Function:

- With hood off, hold Button and Button simultaneously for three seconds. The Graphic will illuminate for

three seconds indicating the Charcoal Filter Replacement Function is enabled.

- To disable Charcoal Filter Replacement Function:

- With hood off, hold Button and Button simultaneously for three seconds. The Graphic will be

illuminated then turn off indicating the Charcoal Filter Replacement Function is disabled.

- After 120 hours of fan usage the Graphic and words “

replace charcoal filter

” will illuminate indicating it is time to

replace the charcoal filter. Graphic and words will remain illuminated until reset.

- To reset: With hood off, hold the Button for three seconds, after three seconds the Graphic and words “

replace

charcoal filter

” will turn off and the 120 hour timer will reset.

Clean Air Indicator

- Clean Air is a feature that turns the fan on every 4 hours for 10 minutes to remove stagnant air in the kitchen.

- To enable Clean Air Function:

- With hood off, hold the Button and Button simultaneously for three seconds. The Graphic and

words “

clean air” will illuminate and the fan will turn on speed 1 for 10 minutes. After 10 minutes the fan

will turn off and the 4 hour timer will begin.

- Graphic will remain on when Clean Air Function is enabled, even if fan is not on.

- To disable Clean Air Function:

- With hood off, hold the Button and Button simultaneously for three seconds until Graphic

turns off.

- When the Clean Air Function is enabled the fan will turn on speed 1 for 10 minutes every 4 hours of non fan usage. After 10

minutes the fan will turn off and the 4 hour timer will reset.

- If the user changes the fan speed while the Clean Air Function is in use, the words “

clean air” will turn off but the Graphic

will remain illuminated. If the user presses the Button at any time the 4 hour clean air timer will reset.

13

SURFACE MAINTENANCE:

Do not use corrosive detergents, abrasive detergents or oven cleaners.

Do not use any product containing chlorine bleach or any product containing chloride.

Do not use steel wool or abrasive scrubbing pads which will scratch and damage surface.

Cleaning Stainless Steel

Clean periodically with warm soapy water and clean cotton cloth or micro ber cloth. Always rub in the

direction of the stainless steel grain. To remove heavier grease build up use a liquid degreaser detergent.

After cleaning use a non-abrasive stainless steel polish/cleaners, to polish and buff out the stainless luster

and grain. Always scrub lightly, with clean cotton cloth or micro ber cloth and buff in the direction of the

stainless steel grain.

Aluminum Mesh Filters

The aluminum mesh lters installed by the factory are intended to lter out residue and grease from

cooking. They need not be replaced on a regular basis but are required to be kept clean.

After 30 hours of use the words “clean mesh lter” will illuminate on the control screen indicating time to

clean the aluminum mesh lters. Refer to instructions on page 12 on how to reset the indicator. Filters

may need to be cleaned more depending on cooking habits.

Remove and clean by hand or in dishwasher on low heat. Spray degreasing detergent and leave to soak if

heavily soiled.

Dry lters and re-install before using hood.

Removing Aluminum Mesh Filters

1. Push in on spring loaded handle

2. Pull down on lter hande to remove lter

Should lters wear out due to age and prolonged use,

replace with following part number:

Hood Model: Part No. Qty to Order

ZMI-M90BS/BG 50200044 1

Maintenance – Hood and Filter Cleaning

14

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Troubleshooting

TROUBLESHOOTING PROCEDURES FOR MILANO WALL

Issue Cause What to do

After installation,

the unit doesn’t

work.

1. The power source is not turned ON. 1. Make sure the circuit breaker and the unit’s

power is ON.

2. The power line and the cable locking connector

is not connecting properly.

2. Check the power connection with the unit is

connected properly.

3. The wires on the control board are loose. 3. Make sure the wires on the control board are

connected properly.

4. The switch board and control board wirings are

disconnected.

4. Make sure the wirings between the switch

board and control board are connected

properly.

5. The switch board or control board is defective. 5. Change the switch board or control board.

Light works, but

blower is not

turning.

1. The blower cable is disconnected. 1. Check all wirings from the blower to be sure

all cables are connected properly.

2. The blower is defective, possibly seized. 2. Change the blower.

3. The thermally protected system detects if the

blower is too hot to operate and shuts the blower

down.

3. The blower will function properly after the

thermally protected system cool down.

4. The switch board or control board is defective. 4. Change defective part.

The unit is

vibrating.

1. The motor is not secure in place. 1. Tighten the motor in place.

2. Damaged blower wheel. 2. Replace the blower.

3. The hood is not secured in place. 3. Check the installation of the hood.

The LCD screen

is ashing.

1. The cable between the switch and control board

is disconnected.

1. Check the cable connection between the

switch and control board.

The unit is

whistling.

1. The lter is not in the correct position. 1. Adjust the lters until the whistling stops.

2. The duct pipe connections are not sealed or

connected properly.

2. Check the duct pipe connections to be sure all

connections are sealed properly.

The blower is

working, but the

lights are not.

1. Defective LED bulb. 1. Change the LED bulb.

2. The LED bulb wire is loose. 2. Check LED wire connections at the control

board and the LED light bulbs. Reconnect any

loose wires.

The speed levels

of the blower

sound the same.

1. Using the wrong size of ducting. 1. Change the ducting to at least 8” or higher.

2. ACT enabled blower CFM set to 290 or 390

CFM.

2. Noise level distinction between some speeds

may be minimal when ACT enabled blower is

set to 290 or 390 CFM.

The hood is

not venting out

properly.

1. The hood might be hanging too high from the

cook top.

1. Adjust the distance between the cook top and

the bottom of the hood within 26” and 34”

range.

2. The wind from the opened windows or opened

doors in the surrounding area are affecting the

ventilation of the hood.

2. Close all the windows and doors to eliminate

the outside wind ow.

3. Blockage in the duct opening or ductwork. 3. Remove all the blocking from the duct work or

duct opening.

4. The direction of duct opening is against the wind. 4. Adjust the duct opening direction.

5. Using the wrong size of ducting. 5. Change the ducting to at least 8” or higher for

the internal blower.

Mesh Filter is

vibrating.

1. Mesh lter is loose. 1. Make sure the metal clips in the handle are

not stuck. Or replace the mesh lter.

2. Filter spring clip is loose or broken. 2. Uninstall and reinstall lter, push up on lter

latch. Replace mesh lter if needed.

15

Fan Curve Diagrams

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 hoods with Zephyr’s DCBL Suppression System without the need

for expensive make up air kits. ACT enables the installer to easily set the maximum blower speed to

one of three 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 715.

To verify if your installer enabled ACT; With hood off, press and hold the power button for three seconds.

Blower CFM will be displayed on the LCD screen. There should also be a foil label located inside the

hood body near the wiring diagram that indicates the blower CFM.

16

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Fan Curve Diagrams

17

Wiring Diagram

VOLTS

HZ

MAX AMPS

120 60 4

ZMI-M90BG, ZMI-M90BS

CIRCUIT DIAGRAM

U

V

W

V

W

AC-N AC-L

ON/OFF DOWN UP LAMP

5A 250V

Power consumption shown for default 715 CFM blower conguration

ACT 590 CFM - Fan Max. 130W @ 1.8A

ACT 390 CFM - Fan Max. 70W @ 1A

ACT 290 CFM - Fan Max. 35W @ .55A

18

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DESCRIPTION PART#

Replacement Parts

Light Bulb 6W LED (each) Z0B-0034

Aluminum Mesh Filter (each) 50200044

Optional Accessories

Remote Control Option RC-0001

Recirculating Kit ZRC-00MI

Replacement Charcoal Filter Z0F-C002

Duct Cover Extension Z1C-01MI

To order parts, visit us online at http://store.zephyronline.com or call us at 1.888.880.8368

List of Parts & Accessories

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Zephyr ZMI-M90BG Hood User Manual

Zephyr ZMI-M90BG Hood User Manual

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