Elica ECH622SS Instructions

Use, Care, and Installation Guide
Guide d’utilisation, d’entretien et d’installation
Guía de instalación, uso y mantenimiento
READ AND SAVE THESE INSTRUCTIONS
LISEZ CES INSTRUCTIONS ET CONSERVEZ-LES
LEA Y GUARDE ESTAS INSTRUCCIONES
English
Contents page 3
French
Spanish
Sommaire page 26 Contenido página 50
English
Contents
Important safety Notice ................................................................................................ 4
Electrical & Installation requirements......................................................................... 6
Electrical requirements.................................................................................................................................6
Before installing the hood.............................................................................................................................7
List of Materials............................................................................................................. 8
Parts supplied...............................................................................................................................................8
Parts not supplied.........................................................................................................................................8
Dimensions and Clearances ........................................................................................ 9
Ducting Options and Examples................................................................................. 10
Venting methods ........................................................................................................................................10
Preparation.................................................................................................................................................11
Installation ................................................................................................................... 12
Installation - Ducting version ......................................................................................................................12
Installation - Ductless (Recirculating) version ............................................................................................17
Description of the hood & Controls .......................................................................... 22
Controls ......................................................................................................................................................22
User Servicing and Maintenance Instructions......................................................... 24
Cleaning .....................................................................................................................................................24
Grease Filter...............................................................................................................................................24
Replacing the light bulb..............................................................................................................................25
Charcoal Filter ............................................................................................................................................25
APPROVED FOR RESIDENTIAL APPLIANCES
FOR RESIDENTIAL USE ONLY
READ AND SAVE THESE INSTRUCTIONS
PLEASE READ ENTIRE INSTRUCTIONS BEFORE PROCEEDING. INSTALLATION MUST COMPLY WITH ALL LOCAL CODES. IMPORTANT: Save these Instructions for the Local Electrical Inspector’s use. INSTALLER: Please leave these Instructions with this unit for the owner. OWNER: Please retain these instructions for future reference. Safety Warning: Turn off power circuit at service panel and lock out panel, before wiring this appliance. Requirement: 120 V AC, 60 Hz. 15 or 20 A Branch Circuit
3
READ AND SAVE THESE INSTRUCTIONS
Important safety Notice
CAUTION
FOR GENERAL VENTILATING USE ONLY. DO NOT OR EXPLOSIVE MATERIALS OR VA­POURS.
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 the unit,
C. Installation Work and Electrical Wiring
D. Sufficient air is needed for proper
E. When cutting or drilling into wall or
F. Ducted systems must always be vented
USE TO EXHAUST HAZARDOUS
switch power off at service panel and lock service panel disconnecting means 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.
Must Be Done By Qualified Person(s) In Accordance With All Applicable Codes & Standards, Including Fire-rated Construction.
combustion and exhausting of gases through the flue (Chimney) of fuel burning equipment to prevent back- drafting. Follow the heating equipment manufacturers guideline and safety standards such as those published by the National Fire Protection Association (NFPA), the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the local code authorities.
ceiling, do not damage electrical wiring and other hidden utilities.
to the outdoors.
CAUTION
To reduce risk of fire and to properly exhaust air, be sure to duct air outside ­do not vent exhaust air into spaces within walls, ceilings, attics, crawl spaces, or garages.
WARNING
TO REDUCE THE RISK OF FIRE, USE ONLY METAL DUCT WORK.
Install this hood in accordance with all requirements specified.
WARNING
To Reduce The Risk Of Fire Or Electric Shock, Do Not Use This Hood With Any External Solid State Speed Control Device.
WARNING
TO REDUCE THE RISK OF A 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 flambeing food (I.e. Crepes Suzette, Cherries Jubilee, Peppercorn Beef Flambe’).
c) Clean ventilating fans frequently. Grease
should not be allowed to accumulate on fan or filter.
d) Use proper pan size. Always use
cookware appropriate for the size of the surface element.
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WARNING
TO REDUCE THE RISK OF INJURY TO PERSONS, IN THE EVENT OF A RANGE TOP GREASE FIRE, OBSERVE THE
FOLLOWING
a) SMOTHER FLAMES with a close-fitting
lid, cookie sheet, or other metal tray, then turn off the gas burner or the electric element. BE CAREFUL TO PREVENT BURNS. If the flames 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 fire is small and contained in the area where it started.
3) The fire department is being called.
4) You can fight the fire with your back to an exit.
a
Based on "Kitchen Firesafety Tips"
published by NFPA.
OPERATION
a. Always leave safety grills and filters in place. Without these components, operating blowers could catch onto hair, fingers 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.
a
:
5
Electrical & Installation requirements
Electrical requirements
IMPORTANT
Observe all governing codes and ordinances.
It is the customer’s responsibility: To contact a qualified 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 qualified electrician determine that the ground path is adequate.
Do not ground to a gas pipe. Check with a qualified electrician if you are not sure range hood is properly grounded. Do not have a fuse in the neutral or ground circuit.
IMPORTANT
Save Installation Instructions for electrical inspector’s use.
The range hood must be connected with copper wire only.
The range hood should be connected directly to the fused disconnect (Or circuit breaker) box through metal electrical conduit.
Wire sizes must conform to the requirements of the 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.
A U.L.- or C.S.A.-listed conduit connector must be provided at each end of the power supply conduit (at the range hood and at the junction box).
Copies of the standards listed may be obtained from:
* National Fire Protection Association Batterymarch Park Quincy, Massachusetts 02269
** CSA International 8501 East Pleasant Valley Road Cleveland, Ohio 44131-5575
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Before installing the hood
1. For the most efficient air flow exhaust,
use a straight run or as few elbows as possible.
CAUTION: Vent unit to outside of
building, only.
2. At least two people are necessary for
installation. Wear gloves to protect against sharp edges.
3. Fittings material is provided to secure the
hood to most types of walls/ceilings, consult a Qualified Installer, check if they perfectly fit with your cabinet/wall.
4. Do not use flex ducting.
5. COLD WEATHER installations should
have an additional backdraft damper installed to minimize backward cold air flow and a nonmetallic thermal break to minimize conduction of outside temperatures as part of the ductwork. The damper should be on the cold air side of the thermal break.
The break should be as close as possible
to where the ducting enters the heated portion of the house.
6. Make up air: Local building codes may
require the use of Make-Up Air Systems when using Ducted Ventilation Systems greater than specified CFM of air movement.
The specified CFM varies from locale to
locale. Consult your HVAC professional for specific requirements in your area.
7
List of Materials
Parts supplied
• Blower unit housing
• Hood canopy
• Stainless steel mesh filter
• Halogen light bulb x 2
• Upper and lower Duct covers x 4
• Chimney structure
• Deflector, 3 pieces to assemble, (ductless version)
• 4 Casings
• Hardware Packet:
Control shaft Template Use, Care and Installation Guide Warranty Torx adapter T10 x 1 Torx adapter T20 x 1 6 washers 3,5x9,5 screws x 14 5x45 screws x 10 4x8 screws x 16 M4x7 screws x 10 4,2x15 screws x 4
Parts not supplied
• Duct, conduit and all tools required for installation.
Ductless Recirculating Kit
To be used only in the Ductless
(Recirculating) version
includes: charcoal filter, charcoal filter
fixing devices.
8
Dimensions and Clearances
9
Ducting Options and Examples
Closely follow the instructions set out in this manual.
All responsibility, for any eventual inconveniences, damages or fires caused by not complying with the instructions in this manual, is declined.
Venting methods
The hood is equipped with a transition B for discharge of fumes to the outside (Ducting version).
Should it not be possible to discharge cooking fumes and vapour to the outside, the hood can be used in the Ductless (Recirculating) version. Attach a charcoal filter and the deflector F on the duct cover support bracket G. Fumes and vapours are recycled through the top grille H by means of a duct connected to the transition B and the transition mounted on the deflector F.
NOTE: For ductless (Recirculating) version only: purchase the Ductless Recirculating Kit. Minimum Duct Size (Ducting/Ductless version): 8" Round Pipe.
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Preparation
Do not cut a joist or stud unless absolutely necessary. If a joist or stud must be cut, then a supporting frame must be constructed.
Fittings material is provided to secure the hood to most types of walls/ceilings. However, a qualified technician must verify suitability of the materials in accordance with the type of wall/ceiling.
Before making cutouts, make sure there is proper clearance within the ceiling or wall for exhaust vent.
Hood installation height above cooktop is the users preference. The lower the hood is above the cooktop, the more efficient the capturing of cooking odors, grease and smoke.
CAUTION: FOR GAS RANGES INSTALLATION: MOUNT THIS HOOD SO THAT THE
BOTTOM EDGE IS NOT LESS THAN 30" (76,2 CM) ABOVE THE COOKING SURFACE. FOR ELECTRIC RANGES INSTALLATION: MOUNT THIS HOOD SO THAT THE BOTTOM EDGE IS NOT LESS THAN 24" (61 CM) AND NOT MORE THAT 30" (76,2 CM) ABOVE THE COOKING SURFACE. HOUSEHOLD USE. PLEASE, READ INSTALLATION MANUAL FOR SPECIFIC APPLICATION. Check your ceiling height and the hood height maximum before you select your hood.
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Installation
Installation - Ducting version
1. Pre-installation calculations
= Kitchen Height
K
C = Counter Height (36" standard) P = Prefered Height of Hood
Bottom above counter (Recommended 24”-30”)
H = Hood height your installation H = K – C – P
a) Select a hood preference height P that is
comfortable for the user. (from 24” to 30“). b) Calculate Hood height your installation H = K-C-P. c) Confirm that H is within the range of min to max H found for your model (See “Dimensions and clearances” paragraph). If not adjust your installation.
2. Preparation of mounting surface
Installing supports above ceiling drywall.
Note: Take into consideration the hood depth; the hood could be much deeper than the cooktop. a. Mark center lines of cooktop or range on
ceiling above. Use centerlines marked on ceiling to position the mounting template.
Note location of hood front (that indicated
with a printed arrow), side, and mounting holes indicated on template.
Note: Remember that printed arrow on
template corresponds to front of the hood and consequently to side where control panels will be located at the end of installation)
b. Remove and save template. Cut and
remove ceiling drywall. Install suitable length 2" x 4" lumber between joists to provide chimney mounting points as shown above. Use template for dimensions and required clearance.
Make sure to affix the added lumber
firmly and level. Consult a professional if you have difficulties or your installation is unique. Consult template and Figs.above.
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c. Install a 8” exhaust duct and extend
length = H - 28“ from ceiling. Duct shall be securely fastened to joists. Do not use duct smaller than specified.
Attention: Duct installation is not required for non-vented (recirculating) installations d. Install 1/2" electrical conduit in location
marked on template and extend length from ceiling.
Note: If a Remote ventilator installation is
required/needed, then provide an additional hole/conduit.
e. Install drywall around duct and conduit;
then refinish ceiling, leave enough clearance for easy installation of chimney structure up to ceiling.
f. Tape Template in place and fit 4 screws
on mounting holes, do not tighten but leave a space of 1/2“, remove the template.
3. Regulate chimney structure and fix all
assembly parts with 4 screws to each bracket (16 screws in total), check structure is well assembled.
Note: If supplied, temporarily remove the
screws fixing the reinforcement bracket to the perforated frame (keep these screws in a safe place) and position it over the motor assembly.
The bracket should be fixed in place
again only after the perforated frame has been fitted to the ceiling.
4. Hook the frame onto the 4 screws.
WARNING
Excessive Weight Hazard Use two or more people to move and install range hood. Failure to do so can result in back or other injury.
Make final angular adjustment to
structure at ceiling if necessary then securely tighten 4 ceiling lag screws.
Fit six additional screws for definitive
fixing.
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5. Connect the other end of the exhaust
pipe to the flue.
Note: If supplied, fix the reinforcement
bracket to the perforated frame in a position which is as near to the middle as possible.
GROUNDING WIRE IN YOUR HOME ELECTRICAL SYSTEM, AND IT MUST UNDER NO CIRCUMSTANCES BE CUT OR REMOVED.
Failure to do so can result in death or
electrical shock.
Remove the knockout and the Junction
box cover and install the conduit connector (cULus listed) in junction box.
6. Electrical connection
WARNING Electrical Shock Hazard Warning: Turn off power circuit at the
service panel before wiring this unit.
120 VAC, 15 or 20 Amp circuit
required.
ELECTRICAL GROUNDING
INSTRUCTIONS
THIS APPLIANCE IS FITTED WITH AN
ELECTRICAL JUNCTION BOX WITH 3 WIRES, ONE OF WHICH (GREEN/YELLOW) SERVES TO GROUND THE APPLIANCE. TO PROTECT YOU AGAINST ELECTRIC SHOCK, THE GREEN AND YELLOW WIRE MUST BE CONNECTED TO THE
Run 3 wires; black, white and green
,according to the National Electrical Code and local codes and ordinances, in 1/2" conduit from service panel to junction box.
Connect black wire from service panel to
black or red in junction box, white to white and green to green-yellow.
Close and secure junction box cover.
14
7. Fit the control shaft in the correct position
by pushing it upwards.
Connect the electricity.
8. Join the two upper sections of the duct
covering the perforated frame.
Fix each individual section in place using
2 screws (1 per side) near the ceiling.
9. Fix the upper duct to the perforated frame
using 10 screws (5 per side).
10. Apply 2 casings (supplied) to cover the
fixing points on the upper duct sections (CAUTION: THE UPPER DUCT CASINGS ARE EASY TO RECOGNISE BECAUSE THEY ARE WIDER, DEEPER AND ARE FITTED BY PRESSING THEM INTO PLACE).
11. First insert the lower section of the duct, on which the threaded inserts can be found.
Fix it to the frame, tightening the first and
fourth screws on both sides (counting from the bottom).
15
12. Join the second lower section by
tightening the second and third screws on each side (counting from the bottom).
Fix the 2 sections in place using 4 screws
(2 per side).
14. Check all light bulbs to make sure they are secure in their sockets.
Turn power on in service panel. Check lights and blower operation per
Care & Use section of this manual.
If range hood does not operate:
• Check that the circuit breaker is not tripped or the house fuse blown.
• Disconnect power supply. Check that wiring is correct.
To get the most efficient use from your new range hood, read the “Use and Care Information” section.
Keep your Installation Instructions and Use and Care Guide close to range hood for easy reference.
13. Apply 2 casings (supplied) to cover the
fixing points on the lower duct sections (CAUTION: THE LOWER DUCT CASINGS ARE EASY TO RECOGNISE BECAUSE THEY ARE NARROWER AND LESS DEEP).
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Installation - Ductless (Recirculating) version
1. Pre-installation calculations
K
= Kitchen Height
C = Counter Height (36" standard) P = Prefered Height of Hood
Bottom above counter (Recommended 24”-30”)
H = Hood height your installation H = K – C – P
a) Select a hood preference height P that is
comfortable for the user. (from 24” to 30“). b) Calculate Hood height your installation H = K-C-P. c) Confirm that H is within the range of min to max H found for your model (See “Dimensions and clearances” paragraph). If not adjust your installation.
2. Preparation of mounting surface
Installing supports above ceiling drywall.
Note: Take into consideration the hood depth; the hood could be much deeper than the cooktop. a. Mark center lines of cooktop or range on
ceiling above. Use centerlines marked on ceiling to position the mounting template.
Note location of hood front (that indicated
with a printed arrow), side, and mounting holes indicated on template.
Note: Remember that printed arrow on
template corresponds to front of the hood and consequently to side where control panels will be located at the end of installation)
b. Remove and save template. Cut and
remove ceiling drywall. Install suitable length 2" x 4" lumber between joists to provide chimney mounting points as shown above. Use template for dimensions and required clearance.
Make sure to affix the added lumber
firmly and level. Consult a professional if you have difficulties or your installation is unique. Consult template and Figs.above.
c. Install 1/2" electrical conduit in location
marked on template and extend length from ceiling.
Note: If a Remote ventilator installation is
required/needed, then provide an
17
additional hole/conduit.
d. Install drywall around duct and conduit;
then refinish ceiling, leave enough clearance for easy installation of chimney structure up to ceiling.
e. Tape Template in place and fit 4 screws
on mounting holes, do not tighten but leave a space of 1/2“, remove the template.
3. Regulate chimney structure and fix all
assembly parts with 4 screws to each bracket (16 screws in total), check structure is well assembled.
Note: If supplied, temporarily remove the
screws fixing the reinforcement bracket to the perforated frame (keep these screws in a safe place) and position it over the motor assembly.
The bracket should be fixed in place
again only after the perforated frame has been fitted to the ceiling.
4. Hook the frame onto the 4 screws.
WARNING
Excessive Weight Hazard Use two or more people to move and install range hood. Failure to do so can result in back or other injury.
Make final angular adjustment to
structure at ceiling if necessary then securely tighten 4 ceiling lag screws.
Fit six additional screws for definitive
fixing.
18
5. Fit deflector to the truss and secure it to
the bracket supplied using 4 screws, then connect the exhaust pipe to the connection ring located on the deflector.
Note: If supplied, fix the reinforcement
bracket to the perforated frame in a position which is as near to the middle as possible.
6. Electrical connection
WARNING
Electrical Shock Hazard Warning: Turn off power circuit at the
service panel before wiring this unit.
120 VAC, 15 or 20 Amp circuit
required.
ELECTRICAL GROUNDING
INSTRUCTIONS
THIS APPLIANCE IS FITTED WITH AN
ELECTRICAL JUNCTION BOX WITH 3 WIRES, ONE OF WHICH (GREEN/YELLOW) SERVES TO GROUND THE APPLIANCE. TO PROTECT YOU AGAINST ELECTRIC SHOCK, THE GREEN AND YELLOW WIRE MUST BE CONNECTED TO THE GROUNDING WIRE IN YOUR HOME ELECTRICAL SYSTEM, AND IT MUST UNDER NO CIRCUMSTANCES BE CUT OR REMOVED.
Failure to do so can result in death or
electrical shock.
Remove the knockout and the Junction
box cover and install the conduit connector (cULus listed) in junction box.
Run 3 wires; black, white and green
,according to the National Electrical Code and local codes and ordinances, in 1/2" conduit from service panel to junction box.
19
Connect black wire from service panel to black or red in junction box, white to white and green to green-yellow.
Close and secure junction box cover.
10. Apply 2 casings (supplied) to cover the fixing points on the upper duct sections (CAUTION: THE UPPER DUCT CASINGS ARE EASY TO RECOGNISE BECAUSE THEY ARE WIDER, DEEPER AND ARE FITTED BY PRESSING THEM INTO PLACE).
7. Fit the control shaft in the correct position
by pushing it upwards.
Connect the electricity.
8. Join the two upper sections of the duct
covering the perforated frame.
Fix each individual section in place using
2 screws (1 per side) near the ceiling.
9. Fix the upper duct to the perforated frame
using 10 screws (5 per side).
20
11. First insert the lower section of the duct,
on which the threaded inserts can be found.
Fix it to the frame, tightening the first and
fourth screws on both sides (counting from the bottom).
13. Apply 2 casings (supplied) to cover the fixing points on the lower duct sections (CAUTION: THE LOWER DUCT CASINGS ARE EASY TO RECOGNISE BECAUSE THEY ARE NARROWER AND LESS DEEP).
12. Join the second lower section by
tightening the second and third screws on each side (counting from the bottom).
Fix the 2 sections in place using 4 screws
(2 per side).
14. Check all light bulbs to make sure they are secure in their sockets.
Turn power on in service panel. Check lights and blower operation per
Care & Use section of this manual.
If range hood does not operate:
• Check that the circuit breaker is not tripped or the house fuse blown.
• Disconnect power supply. Check that wiring is correct.
To get the most efficient use from your new range hood, read the “Use and Care Information” section.
Keep your Installation Instructions and Use and Care Guide close to range hood for easy reference.
21
Description of the hood & Controls
Controls
Use the high suction speed in cases of concentrated kitchen vapours. It is recommended that the cooker hood suction is switched on for 5 minutes prior to cooking and to leave in operation during cooking and for another 15 minutes approximately after terminating cooking.
Description of control panel
1. Control panel
2. Grease filter
3. Grease filter release handle
4. Halogen lamp
5. Vapour catcher
6. Telescopic chimney
7. Air outlet (used for filter version only)
Automatic start-up function
The hood is equipped with a temperature sensor which activates the motor to the first suction speed (power) in the event that the temperature in the surrounding area is higher than 70°C. The user may switch off or modify the suction speed (power) (see paragraph “suction
speed (power) control”).
Suction speed (power) control
The suction speed (power) is cyclical depending on the speed sequence “stand-by – 1-2-3-4- Stand by -1-2-...” therefore every time the T1 button is pressed on the control panel, the suction speed (power) is increased by one level, in order to switch off (stand-by) if the button is pressed again when the hood is in suction speed (power) 4. The hood may be switched off (stand-by) while the hood is set on any speed by holding down the T1 button on the control panel for a bit longer (more than 3 seconds). The hood's suction speed (power) may be
22
determined as the control panel is equipped with a LED light that changes colors as follows, depending on the suction speed (power):
Hood in stand-by: LED LIGHT SWITCHED OFF
1st suction speed (power) -GREEN LED LIGHT
2nd suction speed (power) – ORANGE LED LIGHT (amber)
3rd suction speed (power) - RED LED LIGHT
4th suction speed (power) - RED LED LIGHT (FLASHING)
Note: The 4th suction speed (power) stays on for 5 minutes, after which the suction
motor will position itself on the 2nd speed. If pressed again, the suction motor will switch off (stand-by).
Grease filters need cleaning: FLASHING GREEN LED light (read instructions found under “Reset and configuration for filter saturation signal”) Coal filters must be cleaned or replaced: FLASHING ORANGE (amber) LED light (read instructions found under “Reset and configuration for filter saturation signal”) Note: The reset procedure may be activated by both the control panel and the remote control.
Center light check
The center light may be switched on and off by pressing the T2 button on the control panel.
Side light check (when scheduled)
The side lights may be switched on and off by pressing AND HOLDING DOWN the T2 button on the control panel. HOLDING DOWN the button, besides permitting to switch the hood on and off, it also regulates the light intensity given from the lights. Note: The switching on and off functions (and regulating function) alternate. The regulation of the light intensity is not
available for hoods with neon lights.
Reset and configuration for filter saturation signal
Switch on hood to any speed (see above paragraph “Suction speed (power) selection”)
Reset grease filter saturation signal (FLASHING GREEN LIGHT on control panel) First proceed with filter maintenance as described in corresponding paragraph.
Press and hold down (for more than 3 seconds) the T1 button on the control panel, the LED light will stop flashing indicating that the signal reset has been carried out, the hood will switch off.
Reset coal filter saturation signal (FLASHING ORANGE (amber) LED light) First proceed with filter maintenance as described in corresponding paragraph.
Press and hold down (for more than 3 seconds) the T1 button on the control panel, the LED light will stop flashing indicating that the signal reset has been carried out, the hood will switch off.
Coal filter saturation signal disactivaction (for particular applications)
Switch off hood (see above paragraph “suction speed (power) selection”). Press and hold down (for more than 5 seconds) the T1 button on the control panel, the LED light will start flashing GREEN indicating that the coal filter saturation signal has been disactivated. In order to reactivate the coal filter saturation signal, repeat operation, the LED light will flash ORANGE (amber)
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