System air KFB Manual

Installation, Operation and Maintenance instruction EN
KFB Cupboard fan

Table of content
1 Introduction .......................................................... 1
1.1 Product description ......................................1
1.2 Intended use ..............................................1
1.3 Document description...................................1
1.4 Product overview.........................................1
1.5 Name plate ................................................2
1.5.1 Type designation ............................. 2
1.6 Product liability............................................ 2
2 Safety .................................................................2
2.1 Safety definitions......................................... 2
2.2 Safety instructions ....................................... 2
2.3 Personal protective equipment ....................... 3
3 Transportation and storage ...................................... 3
4 Installation............................................................ 4
4.1 To do before the installation of the
product......................................................4
4.2 To install the product .................................... 4
5 Electrical connection............................................... 5
5.1 To do before the electrical connection .............. 5
5.2 To connect the product to the power
supply.......................................................5
5.3 To reset the motor protection.......................... 5
6 Operation.............................................................6
6.1 To start and stop the product .......................... 6
7 Maintenance......................................................... 6
7.1 Maintenance schedule.................................. 6
7.2 To open the product .....................................6
7.3 To clean the product..................................... 6
7.4 Spare parts ................................................ 7
8 Troubleshooting..................................................... 8
9 Disposal .............................................................. 8
9.1 To disassemble and discard the parts of the
product......................................................8
10 Warranty ............................................................ 8
11 Technical data ..................................................... 9
11.1 Technical data overview ................................ 9
11.2 Product dimensions ..................................... 9
11.3 Wiring diagram for speed controller ............... 10
12 Accessory overview ............................................ 10
13 EU Declaration of Conformity................................ 11

1 Introduction
1.1 Product description
This product is a cupboard fan made from sheet metal.
The product is not supplied with a cooker hood, flexible con-
nection or external speed control, these parts are available
and recommended as accessories.
1.2 Intended use
The product is used for extraction of kitchen odour or air with
a high moisture.
The product is intended for indoor environment. The product
is applicable for ambient temperatures between -25 °C and
40 °C.
The product is not applicable for air that contains explosive,
flammable or aggressive media. The product is not applica-
ble for locations where there is risk for explosion.
1.3 Document description
This document contains instructions for installation, operation
and maintenance of the product. The procedures must be
done by approved personnel only.
Speak to Systemair for more information on how to install the
product in different installation locations.
1.4 Product overview
1
2
3
3
4
5
1. Service lid
2. Fan impeller
3. Extra air intake
4. Exhaust air
5. Connection to cooker hood.
Note:
Cooker hood is not supplied with the product.
1

1.5 Name plate
32 65
789
41
11
13
12
10
1. Type designation: Product name, dimension and motor
type. Refer to 1.5.1 Type designation
2. Input power, W
3. Frequency, Hz
4. Certifications
5. Scannable code
6. Find more information about the product on the System-
air documentation portal
7. Country of production
8. Airflow direction arrow
9. Weight, kg
10. Serial number: part number/production number/produc-
tion date
11. IP class, enclosure class
12. Current, A
13. Voltage, V
Note:
The data on the name plate applies to “standard air” that is
specified in the standard ISO5801.
1.5.1 Type designation
Product name KFB
Dimension 140 S
140 L
Motor type AC, 1–phase, 230 V
1.6 Product liability
Systemair is not liable for damages that the product causes
in these conditions:
• The product is incorrectly installed, operated or
maintained.
• The product is repaired with parts that are not original
spare parts from Systemair.
• The product is used together with accessories that are not
original accessories from Systemair.
• The product is used without motor protection.
2 Safety
2.1 Safety definitions
Warnings, cautions and notes are used to point out specially
important parts of the manual.
Warning
If you do not obey these instructions,
there is a risk of death or injury.
Caution
If you do not obey these instructions,
there is a risk of damage to the product,
other materials or the adjacent area.
Note:
Information that is necessary in a given situation.
2.2 Safety instructions
Warning
Read the warning instructions that follow
before you do work on the product.
• Read this manual and make sure that you understand the
instructions before you do work on the product.
• Obey local conditions and laws.
• The ventilation contractor and the operator are responsi-
ble for correct installation and intended use.
• Keep this manual at the location of the product.
• Do not install or operate the product if it is defective.
• Do not remove or disconnect safety devices.
• Make sure that you can read all warning signs and labels
on the product when it is installed. Replace labels that
have damage.
• Only permit approved personnel to work on the product
and to be in the adjacent area during all work on the
product.
• Make sure that you know how to stop the product quickly
in an emergency.
• Use applicable safety devices and personal protective
equipment during all work on the product.
• Before you do work on the product, stop the product and
wait until the fan impeller stops. Make sure that there is no
voltage on the motor terminals.
• If the maintenance is not correctly and regularly done,
there is risk of injury and damage to the product.
• Only do the maintenance as given in this manual. Speak
to Systemair technical support if other servicing is
necessary.
• Always use spare parts from Systemair.
• Sound levels exceeding 70 dB(A) may occur depending
on model and size. Visit www.systemair.com for more de-
tailed information about your product.
• The product is not to be used by persons, including chil-
dren, with reduced physical, sensory or mental
2

capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction.
• Do not allow children to play with the device.
2.3 Personal protective
equipment
Use personal protective equipment during all work on the
product.
• Approved eye protection
• Approved protective helmet
• Approved hearing protection
• Approved protective gloves
• Approved protective shoes
• Approved work clothing
3 Transportation and
storage
Warning
Make sure that the product does not
become damaged or wet during
transportation. A damaged or wet
product can cause fire or electric shock.
• Before you move the product to the installation location,
examine the packaging for damages.
• Do not move the product by the cables, terminal box, fan
impeller, protection grille, inlet cone or silencer.
• If lifting equipment is used, make sure that the lifting
equipment can hold the weight of the product. Refer to the
name plate for information. Do not lift the product by the
packaging.
Warning
Do not walk below a lifted product.
• Keep the correct side of the packaging up during
transportation. Refer to the arrows on the packaging.
• Load and unload the product carefully.
• Keep the product in a dry and clean location during
storage. Make sure that the ambient temperature during
storage is between –10 and +30 °C. A stable ambient
temperature prevents damage from condensation.
• Keep the product in storage for maximum 1 year.
3

4 Installation
4.1 To do before the installation
of the product
• Make sure that you have the necessary installation
accessories:
– Refer to 12 Accessory overview for an overview of the
accessories.
• Use installation material with fire resistance rating for the
installation location.
• Examine the packaging for transportation damage and re-
move the packaging from the product carefully.
• Examine the product and all components for damage.
• Make sure that the motor effect and the fan performance
agrees with the expectations at the installation location.
• Make sure that the information on the name plate and the
motor name plate agrees with the operation conditions.
• Install the product in a location where there is space for
commissioning, troubleshooting and maintenance.
• Make sure that the installation location is clean and dry,
for full safety during electrical work.
• Make sure that the installation surface has sufficient ca-
pacity to hold the weight of the product.
• Refer to the airflow direction arrows on the name plate or
on the product to install the product in the correct position.
• Make sure that all cable glands are tight against the ca-
bles to prevent leaks.
4.2 To install the product
Install the product behind a cupboard above a kitchen stove
together with a cooker hood or on the wall in a laundry room.
1Measure the distance between the mounting holes on
the product. Refer to 11.2 Product dimensions.
2Mark the installation position on the wall. If the product is
installed together with a cooker hood, make sure that the
distance between the cooker hood and the product is
minimum 120 mm (A).
3Attach the product to the wall with screws. Screws for in-
stallation is not supplied by Systemair.
Note:
Make sure that the screws and the material of the wall can
hold the weight of the product.
4Connect the duct to the exhaust duct connection (B). Fol-
low local rules and regulation for installation of the ducts.
Note:
Do not lead the outlet (exhaust) to the duct for smoke
extraction.
A
B
4

5 Electrical connection
5.1 To do before the electrical
connection
• Make sure that the electrical connection agrees with the
product specification on the motor name plate.
• Make sure that the environment for electrical connection
is clean and dry.
5.2 To connect the product to the
power supply
The product is supplied with a 1 m cable and plug for connec-
tion to a socket outlet.
5.3 To reset the motor protection
The product has an built in motor protection, reset by discon-
necting the product from power for 60 seconds.
5

6 Operation
6.1 To start and stop the product
If the product is used together with a cooker hood:
• Start and stop the product with the cooker hood.
If the product is used together with a transformer:
• Start and stop the product with transformer RE 1,2.
7 Maintenance
Warning
Disconnect the power by removing the plug from the power outlet before any maintenance work.
7.1 Maintenance schedule
Maintenance task Each year
Visually examine the product and its components for damage,
corrosion and dirt.
X
Examine the fan impeller for damage and imbalance. X
Clean the impeller. X
7.2 To open the product
1Disconnect the power supply.
2Unscrew the screws from the lid (A). The fan impeller is
attached to the inside of the lid.
A
7.3 To clean the product
Caution
• Do not clean the product with a high-
pressure washer.
• Do not clean the product with steel
brushes or sharp objects.
• Do not bend the fan impeller blades.
• Be careful not to move the balance
weights on the fan impeller.
1Open the lid to get access to the motor, refer to 7.2 To
open the product.
6

2Loosen the locking device (B) to open the lid to the fan
impeller.
B
3Hold the rotor and turn the fan impeller (C) clockwise to
remove the fan impeller.
If the fan impeller is firmly attached, do this step:
• Place the screwdriver according to the image (D) and
slightly turn the screwdriver clockwise.
Caution
Systemair recommend to use gloves.
The fan impeller has sharp edges.
C
D
4Clean the fan impeller in dishwasher or by hand. Let the
fan impeller dry.
5Attach the fan impeller. Hold the rotor and turn the fan
impeller anti-clockwise.
6Close the fan impeller lid and fasten the locking device.
7Fasten the four screws on the lid.
7.4 Spare parts
• When you send an order for spare parts, include the serial
number of the product. The serial number is found on the
name plate.
• For more information about spare parts, contact technical
support.
• Always use spare parts from Systemair.
• To find spare parts, refer to the scannable code on the
name plate.
7

8 Troubleshooting
Note:
If you cannot find a solution to your problem in this section, speak to Systemair technical support.
Problem Cause Solution
The fan does not operate smoothly
The fan impeller is not correctly
balanced Speak to Systemair technical support.
There is dirt on the fan impeller. Clean the impeller carefully. Refer to
7.3 To clean the product.
If the fan does not work Disconnect the power supply
There is unusual noise when the
product starts or operates.
There is strain in the connections of the
duct system.
Loosen the connections, align the parts
of the duct system correctly and tighten
the connections.
The fan speed does not get the nominal
value.
The fan impeller cannot turn freely
because of mechanical blockage.
Remove the blockage.
9 Disposal
The product follows the WEEE directive. This symbol on the
product or the packaging of the product shows that this
product is not domestic waste. The product must be recycled
at an approved disposal location for electrical and electronic
equipment.
9.1 To disassemble and discard
the parts of the product
1Disconnect and disassemble the product in the opposite
sequence of electrical connection and installation.
2Recycle the product parts and the packaging at an appli-
cable disposal location.
3Obey the local and national requirements for disposal.
10 Warranty
For warranty claims, send a written maintenance plan and
the commissioning report to Systemair. The warranty is only
applicable for these conditions:
• The product is correctly installed and operated.
• Motor protection is used.
• The instructions in the data sheets are obeyed.
• Maintenance instructions are obeyed.
• A product that is not operated continuously is operated for
a minimum of 1 hour each month.
8

11 Technical data
11.1 Technical data overview
Maximum temperature of transported air, °C 40
Sound pressure, dB Refer to the data sheet in the online catalogue at
www.systemair.com.
IP class
Voltage, current, frequency, weight Refer to 1.5 Name plate
Motor data Refer to the motor name plate or the technical documentation
from the motor manufacturer.
11.2 Product dimensions
Note:
If the unit of measure is not specified, the dimensions are given in millimetres.
B
A
C
D
F
E
G
HH
I
K L
J
M
N
O
P
Q
R
R S
A B C D E F G H I øJ
KFB 140 S 450 375 185 335 79 109 22 20 319 100 (2x)
KFB 140 L 450 375 185 335 79 109 22 20 319 100 (2x)
9

c/cK L c/cM øN O P Q R S
KFB 140 S 355 347 425 125 (2x) 79 75 231 79 105
KFB 140 L 355 347 425 125 (2x) 79 75 231 79 105
11.3 Wiring diagram for speed controller
Note:
The selection of electrical accessories must be done in line with the technical parameters of the product.
RE 1,2
Manual 5-step transformer.
N N 230
230
N
A
230
180
115
155
135
N
A. Thermal fuse
12 Accessory overview
1
2
3
1. Cooker hood
2. Flexible hose for cooker hoods
3. RE 1,2 transformer
Note:
The selection of accessories shown are not supplied with the product. For more information and other available accessories,
refer to www.systemair.com or speak to Systemair technical support.
10

13 EU Declaration of Conformity
We, the manufacturer
Manufacturer Systemair Sverige AB
Address Industrivägen 3
739 30 Skinnskatteberg
Sweden
declare under our sole responsibility that the products
Machine Cupboard fan
Type/Model KFB
fulfils the relevant provisions of following directives and
standards
Machinery Directive 2006/42/EC
EN ISO 12100:2010
Safety of machinery – General principles for design - Risk
assessment and risk reduction
EN ISO 13857:2019
Safety of machinery – Safety distances to prevent hazard
zones being reached by upper or lower limbs
EN 60204-1:2018
Safety of machinery – Electrical equipment of machines –
Part 1: General requirements
EN 60335-1:2012
Household and similar electrical appliances – Safety Part 1:
General requirements.
EN 60 335-2-80:2003
Household and similar electrical appliances – Safety – Part
2-80: Particular requirements for fans.
EN 50106:2008
Safety of household and similar appliances – Particular rules
for routine tests referring to appliances under the scope of
EN 60 335-1.
EN 60529:2014
Degrees of protection provided by enclosures (IP Code).
Directive electromagnetic compatibility (EMC) 2014/30/
EU
EN 62233:2008
Measurement methods for electromagnetic fields of
household appliances and similar apparatus with regard to
human exposure
EN 61000-6-2:2005
Electromagnetic compatibility (EMC) – Part 6-2: Generic
standards – Immunity for industrial environments.
RoHS Directive 2011/65/EU and amendment (EU) 2015/
863
EN IEC 63000:2018
Technical documentation for the assessment of electrical and
electronic products with respect to the restriction of
hazardous substances
Ecodesign Directive 2009/125/EC
327/2011 Requirements for fans above 125W
1253/2014 Requirements for ventilation units above 30W
1254/2014 Requirements for energy labelling of residential
ventilation units
EN ISO 5801:2017
Fans – Performance testing using standardized airways.
EN 13142:2021
Ventilation for buildings – Components/Products for
residential ventilation – required and optional performance
characteristics.
Persons authorized to compile the technical file:
Stefan Lindberg
Technical Manager
This declaration relates exclusively to the machinery in the
state in which it was placed on the market and excludes
components which are added or operations carried out
subsequently by the final user.
Skinnskatteberg, Sweden 2023-06-01
Sofia Rask
Managing Director
11

Document in original language 2023-06-19
204408 - 001
© Copyright Systemair AB
All rights reserved
EOE
Systemair AB reserves the rights to alter their products without notice. This also applies to products already ordered, as
long as it does not affect the previously agreed specifications.
Systemair Sverige AB
Industrivägen 3
SE-739 30 Skinnskatteberg
[phone]
[e-mail]
www.systemair.com
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