schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide & troubleshooting

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 1



Thank you for purchasing your new Schweigen rangehood.
To get the maximum output from this unit, please read through this guide before use.
The guide contains important information on the use and maintenance of the unit, as well as important safety notes. This will ensure your personal safety and the lasting value of your range hood.
Please always retain your proof of purchase to aid in any warranty queries.
If you are unable to locate your warranty card, one is available to download from our website
This appliance and its packaging are produced by processes that minimize waste and respect the environment.
Please help us to continue this effort to protect the environment by using the appliance efficiently and disposing of the packaging in a responsible manner.
We trust that you will enjoy your new Schweigen rangehood.

Your State Regulatory Authority
Different Australian states have varying legislative requirements for the installation of rangehood ducting. Some will insist on ducting being vented externally (i.e. not into the ceiling cavity); others will not. It is imperative that you check with your state building authority and/or private certifier to confirm their position.

Important Safety Information

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 2WARNING
Please read this section thoroughly before attempting to operate the appliance.
Inspect your product upon receipt. Any damage or defects MUST be reported within 48 hours, or no claim will be recognized.
If this product is installed damaged, neither the supplier nor the retailer will be responsible for the costs associated with the repair, replacement, removal, or re-installation of the appliances.

  1. There shall be adequate ventilation in the room when the rangehood is used at the same time as appliances burning gas or other fuels.
  2. There is a fire risk if cleaning is not carried out in accordance with the instructions.
  3. Do not flambé under the rangehood. This will damage the rangehood and will not be covered by a warranty.
  4. Do not ignite burners that give off intense, uncontrolled flames beneath the range hood.
  5.  Make sure that no flames emerge from the sides of the pans.
  6. Do not leave packaging materials (bags, corner brackets, etc.) within reach of children.
  7. This appliance is not intended for use by person/s (including children) with reduced physical, sensory or mental capabilities, or lack of experience and/or knowledge.  Unless the person has been given supervision or instruction concerning the use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance, it is not a toy.
  8.  Exhaust air must not be discharged into an existing flue that is used for exhausting fumes from appliances burning gas or other fuels.
  9. Air exhaust must be installed in accordance with local laws. Regulations concerning the discharge of air have to be fulfilled.
  10. Accessible parts may become hot when used with cooking appliances.
  11. Before performing any cleaning or maintenance operation, disconnect the rangehood from the mains using the respective mains or sector switch or by unplugging it.
  12. Do not use the rangehood without the grease filters.
  13. Keep the grease filters clean and respect the recommended cleaning frequencies.
  14. Turn the rangehood motor on before starting to cook.
  15. Turn the rangehood motor off about 10-15 minutes after you finish cooking.
  16. It is forbidden to use the rangehood as an aspirator.
  17. Never cook foodstuff directly over the flame or have the gas burners on under the rangehood without using cookware.

Before Installation

  1. We recommend this appliance be installed or repaired by a qualified Schweigen Home Appliances technician.
  2. Please see our website for recommended installers.
  3. It is dangerous to modify any part of this appliance. Modification of any kind will immediately void the warranty.
  4. The manufacturer declines all responsibility in case of failure to adopt proper safety measures.
  5. Ensure that the location in which this appliance is installed has good and permanent ventilation.
  6. Please consult local laws and regulations and install them in accordance.
  7. Use an electrical connector with the earth that is correct for your location.
  8. Check that the voltage in your area corresponds to the appliance as indicated on the rating label.
  9. This appliance must be connected to an electricity supply with a ground connection.
  10. Check that the installation and electrical connections are made by a qualified technician and that the indicated instructions and local regulations in force are met, using materials that are compliant with the applicable legislation.
  11. The company will not be responsible for installations executed by non-qualified staff and installations that fail to heed the applicable legislation on electrical safety (with regard to both modes and materials).
  12. The electrical technical data can be found inside the rangehood, after removing the grease filters.
  13. The flexible power cable supplied is already connected internally and emerges from the rangehood near the air outlet tube.
  14. Before installing the electrical connections, you should:
    – Verify that the indicated electrical data coincide with the voltage values and frequency of the electrical circuit in the house where the range hood is to be installed;
    – Check that the premises have electrical protection against short circuits and electrocution, pursuant to the applicable legislation;
    – Always switch off the current using the double-pole switch before maintenance and turn the power on again for normal use only when the operation has been completed.

Product Use
This product is designed for household use and should not be used for commercial applications.
After use, always ensure that all controls are in the “OFF” position.
When frying with a gas flame, take particular care not to allow the oil or grease in the pan to catch fire.
Ducted or Recirculating?
Ducted range hoods (or extractor range hoods) extract the cooking fumes from the kitchen and expel them from the space via ducting. Good design practice would always see a  fire-rated ducting system extend to the house exterior, rather than to the ceiling cavity. When a range hood is ducted only into the ceiling space, the collection of humidity and grease can present very real health issues and fire hazards.
Recirculating (or non-ducted or filtered) range hoods extract cooking fumes and pass them through filters. As the name would suggest, they recirculate this air back into the room. Recirculating range hoods are not as effective as removing fumes from a kitchen space, but they are sometimes the only option due to budgetary or building constraints.  You should be made aware of the requirement to change and clean filters on a regular basis for the optimum efficiency of air filtering.

Electrical Cord
Ensure the supply cord is not exposed to heat, chemicals, or sharp objects. If the supply cord is damaged, it must be replaced by the manufacturer.



  1. Female plug, to be connected to Isodrive ®motor system only
  2. Male Plug, to be connected to the main power 240V
  3. Single 200mm Outlet
  4.  Computer board*
  5. Reducer (For Isodrive® motor 650 only)
  6. Filter
  7. Cabinet door protection strip
  8.  Light
  9. Rangehood mounting brackets
  10. Instruction and screws pack

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 3

*IMPORTANT: The electronics MUST be accessible should service be required by a qualified service technician. Failure to do so may result in additional labor charges.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 4Important
Electronics MUST be accessible for service and/or maintenance once installed, failure to do so, will result in any charges involved with accessing the part (removal of cabinetry, etc.) being forwarded to the customer.


Electronic Controls

The range hood has a 4-speed electronic keypad.
Speed control usage suggestions:
• Low speed for simmering.
• Medium speed for light cooking.
• High speeds for heavy frying or heavy cooking.
To obtain the best performance, switch the rangehood on a few minutes prior to cooking and leave it running for at least 10 minutes after you have finished cooking.
The buttons have the following functions:

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 5

A. Timer: When this function is activated, the blue light will flash on the timer button. The rangehood continues to operate for 10-15 minutes at the required speed and then automatically switches the motor off.
B.Increase speed: This button increases the aspiration speed. When at maximum speed, the blue light will flash.
C. ON / OFF: This button turns the rangehood on and off. The rangehood will always turn on at the same speed at which it was turned off.
D.Reduce speed: This button reduces the aspiration speed. When in operation, the low-speed button will be blue.
E.Light: Press this button to turn the lights on and off. When the lights are operating, the light button is blue.
This range hood has a device that lets you know when the grease filters must be cleaned.
When the light button (E) flashes, this means the filters must be washed (usually after 40 hours of operation).
When the filters have been washed and re-mounted, hold the light button (E) down for a few seconds to reset it and return the counter down to zero.

Cleaning & Maintenance

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 6Warning
Always switch off and disconnect power before cleaning.

Cleaning the Interior
Clean the interior of the range hood with a damp cloth and a neutral detergent or denatured alcohol.
NOTE: Do not use denatured alcohol on the exterior of the rangehood. Do not clean the electric parts or the motor with liquids or solvents
Cleaning the Exterior
We recommended using a soft cloth, water, and liquid soap, rinsing it well, and then drying it thoroughly.
For better results, you can use high-quality cleaning and protection products (e.g. Steel Kleen) to clean your rangehood.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 7

  • The recommended detergent is a solution of water and neutral liquid soap.
  • It is very important for the liquid soap to not contain granules that could scratch the surface.
  • First, apply the solution to a soft cloth and then rub the cloth over the range hood. It is important to follow the direction of the stained surface with the cloth (refer to figure on left).
  • Do not pour any liquid directly onto the range hood.
  • The cloth must have no buttons, zips, or fasteners that could scratch the surface.
  • It is strictly forbidden to use chemical solvents, aggressive, grainy, or abrasive products, naphtha, alcohol, or similar products that could damage the surface of the range hood.
  • The manufacturer will not be held responsible for functional or aesthetic damage caused by cleaning with products that are not suitable or using inadequate cleaning methods.

For this appliance to function effectively, regular maintenance is a must.

  • The function of the filter is to absorb the grease particles given off during cooking.
  • Clogged filters and heavy oil deposits restrict airflow and may cause the motor to overheat and become a fire hazard.
  • Filters should be cleaned every 3-6 weeks or after 40 hours of use.
  • For induction cooktops, please aim to clean them at least every 10 days, depending on use.
  • The filters can be washed by hand or in the dishwasher.
    Washing by hand – Immerse the filter in hot water and a suitable detergent and when clean, rinse with plenty of hot water.
    Dishwasher – Put the filter in the dishwasher and select a short program at low temperature.
    NOTE: The color of the metal mesh filters may change after several washes. This is normal and it is not necessary to change the filters.
    Please ensure the filters are completely dry before placing them back in position and operating the rangehood.

To remove the filter lift up the lever and pull it towards you. Then lower the filter to remove it from the cavity. To replace, perform the same operation but in reverse.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 8

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 9Warning

  • If the grease filters are very dirty, the motor will extract only a small quantity of air, which reduces its efficiency;
  • The grease deposits that build upon the filter are highly flammable and COULD
  •  The manufacturer is exonerated from all responsibility in the event of a fire due to poor maintenance of the grease filters.

Replacing the Lights

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 10Danger
Always switch off and disconnect power before replacing the lights. Failure to do so may cause serious injury. Please be aware that the light bulb may retain heat for a short period of time after being switched off.

Type 4 (LED Strip TL): Replacing the Strip Lighting

  1. Open the Perimeter Aspiration (P.A.) filter panel and gently loosen the screws.
  2. Remove the glass perimeter chassis by removing the screws (A).schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 11
  3. Disconnect the LED strip light and electronic buttons including the connections.
  4. By removing the screws, the LED light strip will dropdown.
  5. Replace the LED strip.
    NOTE: Always replace the lighting with replacements that have the same electrical requirements.
  6. Repeat operation in reverse to re-assemble.
    schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 12


Rangehood Size vs Cooktop Size
In addition to the size, the height of the rangehood above the cooktop is important to obtain the best performance.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 13

Overhead cabinet Rangehood Installation position
It is important to consider the benchtop and overhead cabinetry depth before installing the rangehood.
The information below is to be used as a guide only, drawings are not to scale and do not account for all circumstances.
The cooktop is centrally installed on the benchtop in the diagrams below.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 14

When the overhead cabinetry is constructed and installed deeper than standard, ensure the rangehood is installed as close to the front as possible. This will increase the rangehood extraction results as there is greater coverage of the cooktop surface area.

Mounting Height
It is STRONGLY RECOMMENDED that the rangehood be installed centrally over the cooktop.
This will greatly improve its performance.
Minimum height from the hob top surface to the underside face of the rangehood:
• 650mm electric cooktop
• 650mm gas cooktop
Any installation above 800mm will compromise the extraction performance.
Note: If the instructions for the gas cooktop specify a greater distance, this must be taken into account.

Recommended Installation Height for Induction Cooktop
To help avoid condensation, particularly to cooking with an induction cooktop, Schweigen recommends a height between 700-750mm. Refer to page 18 for further information.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 15

Measurements are from the top of the trivets to the lowest part of the range hood, including the button controls.

*IMPORTANT: If the user decides to install the rangehood at a distance of less than the minimum height above the cooking surface, Schweigen declines responsibility for damages offered by the rangehood due to excess heat or damage to objects, people and others caused directly or indirectly by a malfunction, breakage or fire.

*Important: In addition to the information in this manual, please check all relevant state requirements for minimum– maximum heights, as well as regulations regarding the expelling of air. Schweigen is not liable if your range hood is not installed in accordance with these legal requirements.

Installation for UM-PA9S
schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 16 IMPORTANT
Please read the installation guide thoroughly prior to installation. This model has a different method of installation compared to standard undermounts.

Step 1
Fix the rangehood mounting supports (A) to the sides of the cabinet (B).
Note: The brackets need to be leveled and secured, in order to hold the entire weight of the undermount.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 17

Step 2
Slide the undermount in from the front of the cabinetry, onto the rangehood mounting supports (A).
Line up the undermount bracket (C) with the holes on bracket (A).

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 18

Step 3
Fit the undermount in place, using the installation screws provided (E).
Protecting the Cabinet Door — Optional
A reversible “L” shaped profile is provided for optional cabinet door (D) protection.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 19 schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 20

Step 4
Only install the reducer if you are connecting the rangehood to the Isodrive ® 650 motors. DO NOT install the reducer for any other motor system.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 21

Step 5
Once the rangehood is fitted into the cabinetry, connect the male and female power connections to the corresponding connections. Male to main power, female to Isodrive ®  motor. The flexible ducting will attach to the outlet on the rangehood and the Isodrive® motor.
Note: The electronics need to be accessible after installation, in case a service is required.

Please DO NOT crush or kink the ducting.

  1. Crushed or kinked ducting creates sharp corners that create turbulence. This reduces the size and efficiency of the ducting, lowers extraction, and may cause excessive noise.schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 22
  2. Sweeping curves and taut ducting reduce resistance and turbulence. The airflow and extraction will be more efficient and stronger.

Back Draft Fins (For applicable models)
The supplied ducting has been manufactured with an allowance for the backdraft fins to operate without
hindrance. It is the smooth extended end of the ducting.
When installing Back Draft Fins, please ensure that you insert the Back Draft Fins onto the backdraft base, which is attached to the top of the motor outlet before installation.  Then place the smooth extended edge of the ducting into the backdraft base and fix it securely. Should your Back Draft Fins get stuck, this is not a warranty issue.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 23

System Overview

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 24

  1. Isodrive®Motor
  2. Roof Seal Kit (Dektite) (Not supplied)*
  3. Support Straps (Not supplied)*
  4. Attach Flexi Duct to Bell-Mouth Adaptor using a cable tie or ring clamp. Please
    DO NOT rip the ducting.
  5. Isodrive® Motor Power Lead (Male Plug)
  6. Rangehood to Isodrive® Motor Lead (Female Plug)
  7. Main Power Lead (Male Plug, 10 Amp)
  8. Flexi Ducting must be pulled taut.
    DO NOT crush or kink the ducting.
  9. Connect Flexi ducting to the outlet on rangehood using a ring clamp. Please DO NOT rip the ducting.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 25NOTE
The Isodrive ® motor system does not include the roof seal kit, cable ties, ring clamp, or support straps.
schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 26NOTE
The general power outlet for the range hood should be located in an easy to access area.
schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 27DANGER
All electrical wiring from the motor to the range hood should be kept inside the roof space.

Condensation Information

Cooking with Induction Cooktops
Cooking with induction or a similar cooktop may produce condensation on the range hood.
Unlike basic electric or gas cooking, induction cooktops heat food and liquid instantly, which in turn, produces vapors rapidly. Because of this rapid process, the rangehood filters do not have enough time to warm, which increases the chance of condensation forming. There are many variables that may contribute to condensation forming, some of  which include but are not limited to:

  • Variance in climate – geographical location
  • Position of your home & kitchen – morning/afternoon sun
  • Installation distance from cooktop to the rangehood
  • Speed of food & liquid heating
  • Filter size – larger canopy preferred
  • Quality of pots or cookware you are using – high quality recommended

How to reduce the possibility of condensation forming:

  • Ensure the rangehood is installed by a qualified professional, carefully following the installation guide
  •  Turn on the range hood 5-10 minutes prior to cooking, and leave it on for 10-15 minutes after cooking; this helps clear remaining vapors from the flue.
  • Start the cooking process at a low-to-medium setting and allow time for the rangehood to warm up.
  • Clean filters regularly.
  • Ensure constant airflow in the cooking zone; this helps optimize the rate of extraction.
  • Follow all induction cooktop manufacturer advice.
    For further advice, tips, or information regarding cooking with induction, please contact your induction cooktop manufacturer.


Before you contact the technical service department, make sure that the product is plugged in and power is supplied.
• Do not take any action that will damage the product.

schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 28IMPORTANT
Never attempt to repair this appliance by yourself. Always refer to a qualified Service

Loud noise from the rangehood Rangehood does not direct air out (through the chimney) Rangehood air exaction is weak Light does not work Rangehood does not work
x x Check electric connection. The voltage of the electric network should be between 220 – 240V, and the range hood should be connected to a grounded plug and turned on.
x Check motor switch. Please ensure that there is power to the range hood and the range hood is switched on.
x Check lamp switch. The lamp switch should be in one position.
x x Check filters. The filters should be washed regularly, see filter cleaning.
x Light bulbs should be firmly in position.
x Check light bulbs.
Make sure they are not broken or faulty.
x x Please make sure there is no obstruction in ducting or with the backdraft fins.
x x Check the outlet, make sure it is not blocked and you have the correct diameter ducting installed.
x Check also drive installation manual, make sure the Flexi ducting is installed correctly, eg. Length of ducting used keep the ducting taut.
x Check the ducting has not come off the rangehood outlet or has been eaten through by rodents.

Lodging an Online Service Request
In the event that the failure is not due to the faults mentioned in the Troubleshooting section, you can
lodge an online Service Request. To lodge an online Service Request, visit our website and click on the link and complete the service request form.
A service request will require the following information:

  • The purchase date
  • The rangehood model and motor type (e.g. Isodrive ® 650)
  • The serial number or batch number (this number is on a sticker inside the rangehood).
  • A copy of the purchase receipt (without a receipt your service request cannot be processed).

Alternatively, you can call Customer Service:
Australia 1300 881 693
New Zealand 0800 200 510

Faulty Installation
It is not the responsibility of Schweigen to rectify any incorrect installations. A service call-out fee will be charged for any Schweigen technician that attends a call, whereby it is established that the fault is due to an incorrect installation or non-manufacturing fault. Should the appliance be installed in such a way that the service agent is unable to gain access to the appliance, the person/s who own the premises or the property where the appliance resides — will be responsible to provide access to the appliance at their expense.



schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 29

Technical Specifications

Model UM-PA9S
Feeding Voltage 220-240V 50Hz
Lamp Power 1 x LED Strip 726mm long  3.36W 12V 4200K



Under our policy of continuous product development, product specifications may change without notice.
Prospective purchasers should therefore check with the retailer to ensure this publication correctly describes the products being offered for sale. All information supplied is to be used for general reference purposes only and is on the understanding that Schweigen Home Appliances will not be liable for any loss, liability, or damage of whatever kind arising as a result of any reliance upon such information.
All pictures used in the guide are for illustrative purposes only.
Although our information and marketing state the term ‘Silent’ for certain models, the following applies to various models that are sold with certain Isodrive® Systems and baffle filters. When a model with the larger motored Isodrive ® System is operated at a higher speed/s air movement may be heard. For example, while operating on speeds 4  & 5 (For 5-speed models) the rangehood may be audible due to a large amount of air movement moving through the filter.
* Please make sure that the range hood and motor have been installed as per the corresponding instruction guides in order for optimal performance (the Isodrive ® Motor Manual can be found with the Isodrive ® Motor, or online at
Schweigen Home Appliances has presented this information in good faith to all their retailers and distributors to convey before any/all purchase/s.  information is supplied upon the condition that the person/s receiving the information will make their own determination as to its suitability for their purpose/s prior to use. In o event will Schweigen Home Appliances be responsible for damages of any nature whatsoever resulting from the use of, or reliance upon, information from their website or the products to which the information refers.

Electronic waste (or e-waste) including kitchen appliances are banned from direct disposal at a landfill. E-waste contains hazardous materials, which can harm the environment and human health. Valuable materials contained in e-waste are lost when appliances, computers, and other household electrical goods are sent to landfills.
Recycle your e-waste to:

  • reduce landfill
  • protect the air and waterways from harmful materials
  • minimize consumption of raw materials to produce electronic products
  • reduce greenhouse gases created in the production of new materials.

Kitchen appliances including Rangehoods and Ovens can only be disposed of at approved recycling centers. Visit for more information, or contact your local council or the store you purchased this appliance, for a list of approved recyclers.


schweigen UM-PA9S 900mm Silent Undermount Rangehood Installation Guide  & troubleshooting 30

Australia Unit 4/1-5 Lake Drive, Dingley Village, Victoria 3172. Phone 1300 881 693
Email [email protected] Web
New Zealand 5 Tolich Place, Henderson, Auckland 0610. Phone 0800 200 510
Email [email protected] Web


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