WALPOL GB User manual

Airbox type GB, GB HT, GBV, GBG
Assembly and operating instructions
Version 7.0
B04

2
1. General information 3
1.1. Note symbols 3
2. Important safety instructions 3
2.1. Personnel 3
2.2. Personal protective equipment 4
2.3. The 5 safety rules for working in and on electrical
systems 4
3. Warranty 4
4. Delivery, transport, storage 4
5. Description 5
5.1. GB, GBG and GBV with EC motor 5
5.2. GB, GBG and GBV with AC motor 6
5.3. GB HT 6
5.4. Description GB / GB HT 6
5.5. Description GBV 7
5.6. Description GBG 7
5.7. Fan and Motor Data 8
5.8. Intended use 8
6. Type plate and type code 8
7. Accessories 8
8. Installation 9
8.1. Mounting positions 10
8.2. In the W-Connect system
CL 12/9
CL 10/10 - min. 380 Pa*
CL 9/9 - min. 295Pa*
CL 7/7
W connect
+
10
8.3. Changing the discharge direction only GBV series
11
8.4. Assembly/disassembly of impeller - internal rotor
motor 11
Content
9. Electrical connection 13
9.1. Motor protection 13
9.2. Fans with variable speed 14
10. Commissioning 14
11. Operation 15
12. Troubleshooting/maintenance/repair 15
12.1. Safety instructions 15
12.2. Troubleshooting 15
12.3. Maintenance 16
12.4. Spare parts 17
13. Cleaning 17
14. Disassembly/removal 18
15. Disposal 18
16. EU Declaration of Conformity - Airbox 18
17. Commissioning protocol 19
18. Maintenancesbook 22

3
1. General information
1.1. Note symbols
Danger
Immediate hazard
Failure to observe the warning will result in immedi-
ate death or serious injury.
Caution
Low-risk hazard
Failure to observe the warning may result in
moderate injury.
Warning
Potential hazard
Failure to observe the warning may result in death or
serious injury.
Important
Danger with risk of damage to property
Failure to observe the warning may result in
damage to property.
Note
Useful information and instructions
2. Important safety instructions
Planners, system builders and operators are responsible for proper installation and operation in accordance with the inten-
ded use.
• Read the operating instructions completely and carefully.
• Operating instructions and applicable documents, such as electrical connection diagrams or operating instructions for
the motor, must be kept with the fan. They must be available at the place of use at all times.
• Local and national laws and regulations must be observed and complied with.
• Take into account the system-relevant conditions and requirements of the system manufacturer or system builder.
• Safety devices must not be dismantled, bypassed or rendered inoperative.
• The fan may only be used in perfect condition.
• The generally prescribed electrical and mechanical protective devices must be provided.
• Secure the installation site and the premises against access by unauthorised persons during installation, electrical
connection, commissioning, troubleshooting and maintenance.
• Safety devices must not be dismantled, bypassed or rendered inoperative.
• Ensure that all warning labels on the fan are complete and legible.
• This appliance is not intended for use by persons (including children) with reduced physical or mental capabilities,
or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the
appliance by a person responsible for their safety.
• Children must not play with the appliance.
2.1. Personnel
The fan may only be operated by qualified, instructed and trained personnel. These persons must know the relevant safety
regulations in order to recognise and avoid possible dangers. The individual actions and qualifications can be found in Table
1 Qualification.

4
Table 1 Qualification
Actions Qualification
Storage, operation, transport, cleaning,
disposal
Trained personnel (see following instructions)
Electrical connection, commissioning,
electrical disconnection
Qualified electrician or persons with appropriate qualifications
Installation, Dismantling Assembly specialist or persons with appropriate qualifications
Maintenance Electrical specialist or persons
with appropriate qualifications
Assembly specialist or
persons with appropriate
qualifications
Repair Electrical specialist or persons
with appropriate qualifications
Assembly specialist or persons
with appropriate qualifications
Assembly specialist or
persons with appropriate
qualifications
Note
The operator must ensure that the personnel have been instructed in the
operation and have understood the operating instructions. If anything is
unclear, please contact Walpol or our representatives.
2.2. Personal protective equipment
Protective equipment must be worn when carrying out any work in the vicinity of the fan.
• Protective clothing
• Safety shoes
• Protective gloves
• Hard hat
• Safety glasses
• Hearing protection
2.3. The 5 safety rules for working in and on electrical systems
. Disconnect (disconnect all
poles of an electrical system
from live parts
. Secure against being switched
on again
. Check that no voltage is
present
. Earth and short-circuit
. Cover or isolate adjacent live
parts
3. Warranty
In order for warranty claims to be asserted, the products must be properly connected and operated and used in accordance
with the data sheets. Further prerequisites are a fully completed maintenance plan and commissioning report, which
will be requested from Walpol in the event of a warranty claim. The commissioning report is part of this document, the
maintenance plan must be prepared by the operator, see chapter 12.3 Maintenance
4. Delivery, transport, storage
Safety instructions
Warning: Danger due to rotating fan blades
• Prevent unauthorised persons from accessing the unit by security personnel or an access guard.

5
Warning: Suspended loads
• When carrying out any work in the vicinity of the fan, wear protective equipment, see 2.2 Personal protective
equipment,
• Never step under a suspended load.
• Ensure that no one is under a suspended load.
Delivery
Each fan leaves our factory in perfect electrical and mechanical condition. It is recommended that the fan is transported to
the installation site in its original packaging.
Check delivery
• Check the packaging for transport damage. Any damage must be noted in the cargo manifest.
• Check that the delivery is complete.
Unpacking
Warning
When removing the transport packaging, there is a risk of damage from sharp edges, nails, staples, splinters, etc.
• Unpack the fan carefully.
• Check the fan for obvious transport damage.
• Do not remove the packaging until shortly before installation.
• Wear protective equipment for any work in the vicinity of the fan, see . Personal protective equipment
Transport
Safety instructions
• The fan must never be carried by the connection cable, terminal box, impeller, guard grille, inlet connection or
silencer.
• In the case of open transport, ensure that no water can penetrate the motor or other sensitive components.
• It is recommended that the fan be transported to the installation site in its original packaging.
Caution: Careless loading or unloading may cause damage to the fan.
• Carry out loading or unloading carefully.
• Use lifting equipment designed for the load.
• Observe the transport arrows on the packaging.
• The packaging is only used as transport protection and must not be used for lifting.
Storage
• Store the fan in the original packaging in a dry, dust-free place protected from the weather.
• Avoid exposure to extreme heat or cold.
Important
Danger from loss of function of the motor bearing
• Avoid excessively long storage periods (recommendation: max.  year).
• Before installation, check that the motor bearing is functioning correctly.
5. Description
5.1. GB, GBG and GBV with EC motor
The fans are driven by EC motors. The fans must be controlled with a potentiometer (0-10V). All motors are suitable for
50/60 Hz. The input voltage for single-phase units is in the range 200V and 277V, for three-phase units the input voltage is
380 and 480V.
The maximum fluid temperature is +120°C.
Note
When installing EC motors, ensure that RCDs of type class: B or B+ are present in the circuit.

6
5.2. GB, GBG and GBV with AC motor
Speed control options:
• 400V IE2/3 motors with frequency inverter with built-in sine filter control
• 230V motors with transformer speed controller control
The maximum pumped medium temperature is +120°C.
5.3. GB HT
Special feature of GB HT: The HT version is suitable for a pumped medium temperature up to a maximum of +200°C.
400V IE2/3 motors with frequency inverter with built-in sine filter control
5.4. Description GB / GB HT
Airflow
The Airbox GB is suitable for
applications with ° airflow.
AIR EXIT AIR EXIT
AIR ENTRYAIR ENTRY
Table 2 Dimensions Airbox GB
Dimen-
sions
mm
A B C D E F G H I J K L M N O P
GB 180 470 412 272 224 134 105 218 483 470 95 244 43 366 180 470 320
GB 225 522 455 301 256 147 121 251 635 620 121 282 43 412 225 522 440
GB 250 576 500 333 280 161 140 272 656 620 139 305 43 436 250 576 440
GB 280 625 537 359 296 171 155 293 677 620 139 331 43 462 280 625 440
Dimen-
sions
mm
A B C D E F G H J K L M
GB 315 187,5 600 339 398 690 125 315 249 307 70 770 55
GB 355 206,7 655 372 451 770 125 355 273 331 70 770 55
A
C
E
B
H
G
F
54
J
I
M
L
L
D
K
øN
P
O
32
36
L
F
K
M
A
C
E
B
H
G
F
54
J
I
M
L
L
D
K
øN
P
O
32
36
L
F
K
M
A
C
E
B
H
G
F
54
J
I
M
L
L
D
K
øN
P
O
32
36
L
F
K
M
GB
180/225/250/280
GB 315/355
A
C
E
B
H
G
F
54
J
I
M
L
L
D
K
øN
P
O
32
36
L
F
K
M

7
5.5. Description GBV
Airflow
The Airbox GBV is suitable for
applications with an airflow of
°.
Table 3 Dimensions Airbox GBV
Dimensions
(in mm)
GBV 355 GBV 400 GBV 450 GBV 500 GBV 560 GBV
A 500 670 670 670 800 800
B 500 670 670 670 800 800
C 420 590 590 590 720 720
D 378 548 548 548 676 678
E 355 404 454 504 xml-ph-
630Nipple
dimension
315 400 400 400 500 500
F
E
D
B
1 Zoll
A
C
5.6. Description GBG
Airflow
The Airbox GBG is suitable for
applications with straight
airflow..

8
Table 4 Dimensions Airbox GBG
Dimensions
(in mm)
GBG 315 GBG 355 GBG 400 GBG 450 GBG 500 GBG 560 GBG 630
B 500 670 670 670 800 800 1000
C 420 590 590 590 720 720 920
I 668 777 849 874 1015 1040 1237
C
B
1 ''
l
5.7. Fan and Motor Data
• Max. Temperature of transported air, Max. Ambient temperature, Sound pressure level -> See data sheet, available in
our online catalogue.
• Voltage, amperage, protection class, weight -> See type plate
• The motor data can be found on the type plate of the motor or in the technical documentation of the motor
manufacturer.
• The data on the type plate of the fan apply to "normal air" according to ISO 5801.
5.8. Intended use
• The fans are intended for installation in ventilation systems. The fans can be installed both in a duct system and free-
intake via inlet connection pieces and a contact guard grille on the intake side. Free blowing via contact protection
grille is also possible.
• The fan is suitable for conveying clean air.
• The maximum permissible operating data on the type plate apply to an air density of 1.2 kg/m³ (NN) and a maximum
humidity of 80%.
Improper use is mainly when the fan is used in a way other than described. The following examples are contrary to the
intended use and dangerous:
• Conveying explosive and
flammable media
• Conveying aggressive media
• Conveying extremely contami-
nated air without pre-filtering
• Operation in potentially
explosive atmospheres
• Operation without a duct
system or guard grille
• Operation with sealed air
connections Air connections
• Outdoor installation without
weather protection
Note
We generally recommend pre-filtering the extract or supply air before the fan
For example, with a filter box or an activated carbon module, see WALPOL-Product range
6. Type plate and type code
Every fan has a type plate.
Please compare the fan type/data with the version you ordered to avoid misunderstandings or wrong deliveries.
7. Accessories

9
We recommend original accessories from Walpol. For information, please contact Walpol.
8. Installation
Warning: Risk of impact from falling fan or fan parts.
• Check the surface for load-bearing capacity before installation.
• Take all static and dynamic loads into account when selecting lifting equipment and mounting parts.
General safety instructions
• Installation may only be carried out by appropriately qualified persons, for details, see Table 1 Qualification.
• Take into account the system-relevant conditions and requirements of the system manufacturer or system builder.
• Safety devices must not be dismantled, bypassed or rendered inoperative.
• Move the impeller of the fan by hand before installing it in order to check its free running.
• Provide contact protection, suction protection and safety distances in accordance with DIN EN ISO13857 and DIN
24167-1.
• Prevent foreign particles from being sucked in.
• Aswith a vibration transmission to the duct system is avoided, we recommend the use of the flexible connectors from
our accessories, see chapter Accessories.
Prerequisites
• Make sure that the fan and all its components are
undamaged.
• Make sure that the information on the type plate
(fan and motor) corresponds to the operating
conditions.
• Make sure that there is sufficient space for
mounting the fan.
• Mount the fans so that there is sufficient access for
troubleshooting, maintenance and repair work.
• Protect the unit from dust and moisture during
mounting.
Important
Overheating of the motor
• The installation distance must correspond to the picture below when the motor is aligned as specified. If the
motor protrudes from the enclosure, the distance between other motors or a wall must be  X A.Check that the
motor bearing is working correctly before installation.
• In addition to observing the maximum ambient temperature (see fan data sheet), make sure that the ventilation of
the motors is sufficient. Accumulated heat must be avoided at all costs.
Distance to a wall Distance to an air box
Important
There is a risk of damage to the bearings or fan parts.
• A duct bend must not be placed directly before or after the fan
• Ensure an even and constant air flow to the unit. A free exhaust air must be ensured.

10
8.1. Mounting positions
GBG and GBV
Important
There is a risk of damage to the fan if the condensation water cannot drain off.
• Make sure that the drain socket is always at the lowest point of the fan so that the condensation water can drain
off.
8.2. In the W-Connect system
CL 12/9
CL 10/10 - min. 380 Pa*
CL 9/9 - min. 295Pa*
CL 7/7
W connect
+
Note
Only modules of the same size can be connected to each other.
USER MANUAL
1.
Walpol connect
3.
4.
Klebedichtung anbringen
2.

11
USER MANUAL
1.
Walpol connect
3.
4.
Klebedichtung anbringen
2.
In the series Compakt fan type CLC, filter box type FB , activated carbon module type WAM , the screw connection system
is already integrated. The W-Connect Kit must be used with the GBV and GBG air boxes.
8.3. Changing the discharge direction only GBV series
Important
A straight airflow is not possible with the GBV. This application can be realised with the GBG.
Legend
. GBV with airflow ° upwards (factory
assembly)
. GBV with airflow ° to the side
. Changing the airflow direction
8.4. Assembly/disassembly of impeller - internal rotor motor
Important
Damage to the motor and the impeller.
The ball bearings of the motor and the balanced impeller can be damaged by violent impact.
• Attach the impeller and/or shaft extensions to the shaft or rotor without violent impact.
• Do not separate the impeller and hub. These have been balanced as one unit.
Note
The hub can be heated for easier assembly and disassembly, z.e.g. with a hot air blower.
• Prerequisite for assembly: The key is correctly positioned in the groove provided.
• Tools: Suitable Allen key, suitable extraction tool, torque spanner for the clamping bush.

12
Motor
Motor shaft
 Sleeve (Not used with every fan)
 Shaft extension (Not used with every fan)
 Hexagon socket screw
Impeller
Steel hub
Aluminium hub
The hub is not used for the fan. Hub is shown
without impeller for clarity
Table of tightening torques for various bushing types
Socket type          
Tightening torques
(Nm)
. ,        

13
9. Electrical connection
Safety instructions
Warning: Danger due to electrical voltage!
• The 5 safety rules must be observed, see. The 5 safety rules for working in and on electrical installations
• Prevent water from entering the terminal box.
• The electrical connection may only be carried out by appropriately qualified persons, for details see table Qualification
Warning: Danger due to electrostatic influence of medical implants!
• Persons with medical implants should keep sufficient distance to the corresponding devices.
Connection
• Check that the data on the type plate corresponds to the connection data.
• Carry out the electrical connection according to the wiring diagram.
• Fans with EC- motors must be switched on and off via the control input.
• Use all locking screws.
• Insert the screws by hand so that the thread is not damaged.
• Tighten all screws firmly to ensure IP protection.
• Screw the cover of the terminal box/revision switch evenly.
• Connect the cable end in a dry environment.
• Install a disconnecting device permanently (all-pole contact opening min. 3 mm) in the electrical installation.
Protective earth conductor
The cross-section of the protective earth conductor must be equal to or larger than the phase cross-section.
Residual current circuit breaker
For use in AC systems with 50/60 Hz, all-current sensitive residual current circuit breakers are required in connection with
electronic devices such as EC motors, frequency converters or uninterruptible power supplies (UPS).
9.1. Motor protection
Note
Fans with EC motors do not require additional motor protection. The motor protection is
integrated in the motor electronics.
Important
Motor damage due to overvoltage, overload or short circuit.
• Temperature monitors that are led out must be inserted into the control circuit in such a way that in the event of a
fault they do not switch on again automatically after cooling down.
• Motor cables and temperature monitoring cables must always be laid separately.
• Without thermal protection: Use motor protection switches!

14
9.2. Fans with variable speed
Warning
Resonance frequencies can result in increased vibrations in certain speed ranges. These vibrations can destroy
components.
• Operate the fan only outside these speed ranges.
• Run through these speed ranges so quickly that no vibration can exceed the values for the resonance frequency.
• The operating instructions for the frequency converter must be observed.
Caution
Damage due to incorrect commissioning of the frequency converter.
• Fan and frequency converter must be installed as close to each other as possible.
• Use shielded cables.
• All components (fan, frequency converter and motor) must be earthed.
• All-pole sine filters must be used. (Exceptions are fans with IEC standard motors. This is not mandatory for these
motors, but is recommended by Walpol.)
• Fan operation with frequency converters below  Hz must be avoided.
• The heating of the motor when using a frequency converter must be checked by the customer in the application.
• Never exceed the maximum impeller speed specified on the type plate of the fan.
Caution
Damage due to non-use of a sine filter.
Walpol always recommends an all-pole sine filter when the fan is operated with a frequency converter.
10. Commissioning
The warranty is only valid if commissioning has been carried out correctly and written proof of this has been
provided.
Safety instructions
Commissioning may only be carried out by appropriately qualified persons, for details see table Qualification
Prerequisites
• Assembly and electrical connection have been
completed properly.
• Inlet and outlet are clear.
• Residual material from the installation and foreign
bodies have been removed from the fan and ducts.
• The cable glands have been tightened.
• Check the fan for visible damage before switching
it on and ensure that the protective devices are
functioning properly.
• The data on the type plate correspond to the
connection data.
• Use all locking screws. • The safety devices have been fitted.
• Permanently install a disconnecting device in the
electrical installation (all-pole contact opening
min.  mm).

15
Tests
The following sequence must be observed during commissioning:
AC motor EC motor
. Switch on the fan.
. Carry out the tests required in the commissioning
protocol ( Commissioning protocol, speed controlla-
ble fans: "Measurement data during commissioning" at
maximum speed.
. Switch off the fan. With the mains voltage switched
on, the motor starts an initialisation (a few seconds).
After initialisation, the control input is active.
1. Switch off the fan via the control input.
2. Carry out the tests required in the commissio-
ning protocol (17 Commissioning protocol)
Speed-controllable fans: "Measurement data at
commissioning" at maximum speed.
11. Operation
Safety instructions
Warning: Danger from electrical voltage or moving parts.
• The unit may only be operated by appropriately qualified persons, for details see table 1 Qualification, Operation. Table
1 Qualification,
• Operate the fan only in accordance with its operating instructions and the operating instructions for the motor.
12. Troubleshooting/maintenance/repair
12.1. Safety instructions
• Troubleshooting/maintenance/repair may only be carried out by appropriately qualified persons, for details see Table 1
Qualification.
• The 5 safety rules must be observed, see 2.3 The 5 safety rules for working in and on electrical installations.
• The impeller must be stationary.
12.2. Troubleshooting
Table 13 Troubleshooting
Malfunction Remedy Possible causes Remedy
Fan runs unsteadily
Impeller is out of balance
If possible, have it rebalanced by a
specialist company. Otherwise, please
contact Walpol.
Dirt on impeller Clean carefully, rebalance
Material degradation on impeller due to
aggressive pumped media. Contact Walpol
Direction of rotation of impeller incorrect
Change direction of rotation if
possible. Otherwise, please contact
Walpol.
Deformation of the impeller due to excessive
temperature.
Make sure that the temperature does
not exceed the certified value/mount a
new impeller.
Vibrations/vibrations Check the installation of the fan/check
the duct system .
Fan operation in resonance frequency range Consider chapter . Fans with
variable speed
Fan air performance too
low Direction of rotation Impeller wrong
Change direction of rotation if
possible. Otherwise, please contact
Walpol.

16
Malfunction Remedy Possible causes Remedy
Fan air output too low
Incorrect connection wiring (e.g. star instead
of delta.e.g. star instead of delta).
Check connection wiring and correct if
necessary.
Pressure losses too high. Optimise duct routing.
Volume flow controllers are not or only
partially open. Check opening position on site.
Inlet or pressure paths blocked. Remove blockage.
Grinding noises when
starting or operating the
fan
Check whether the duct connections on the
fan are strained. Loosen duct connections and realign.
Thermal contact/ PTC
thermistor tripped
Direction of rotation of impeller incorrect Change direction of rotation if
possible. Otherwise contact Walpol.
Missing phase If using a -phase motor (no EC),
check that all  phases are present.
Motor overheating
Check impeller cooling (if present),
check resistance of motor windings (if
possible) / contact Walpol.
Capacitor (if used) not or not correctly
connected Connect capacitor correctly.
Motor blocked Contact Walpol
Fan does not reach
nominal speed
Defective motor winding Contact Walpol
Drive motor misaligned Contact Walpol
Control devices (if used), such as frequency
converter or transformer, are set incorrectly. Set control devices correctly.
Mechanical blockage Remove blockage.
Motor does not rotate
Incorrect supply voltage Check supply voltage, restore power
supply.
Connection defective
Disconnect from power supply,
correct connection according to wiring
diagram
Temperature monitor has reacted. Let motor cool down. Identify and
rectify cause of fault.
Electronics/motor
overheated
Cooling insufficient Improve cooling.
Motor overload Check whether the correct fan is used
for the application.
Ambient temperature too high Check whether the correct fan is used
for the application.
12.3. Maintenance
The warranty is only valid if maintenance has been carried out correctly and written proof of this has been provided.
To ensure continuous fan operation, we recommend regular maintenance intervals. These maintenance intervals are spe-
cified in the "Activities" table below. In addition, follow-up activities such as cleaning, replacement of defective components

17
or other corrective measures must be carried out by the operator. For traceability, it is necessary to create a maintenance
plan in which the work carried out is documented. This must be drawn up by the operator. If "extreme operating conditions"
prevail, the maintenance intervals must be carried out at shorter intervals. Examples of extreme operating conditions:
• Fans for kitchen exhaust air
• Permanent ambient temperature > 30 ºC or < -10 ºC, or temperature fluctuations > 20 K
Table 14 Activities
Normal
Operating Conditions
Extreme
Operating Conditions
Actions Semi-
Annually Annually Quar-
terly
Semi-
Annually
Check the fan and its components for visible damage, corrosion
and dirt. X X
Check the impeller for damage and imbalance. X X
Check the correct function of the condensate drain. X X X
Clean the fan/ventilation system (see  Cleaning). X X
Check the screw connections for tightness and damage/defects. Xsee normal operating
conditions
Make sure that the fan inlet is free of dirt. X X
Check that the fan and its components are used as intended. Xsee normal operating
conditions
Check the current consumption and compare this with the rated
data. X X
Check the vibration dampers (if used) for correct function, visible
damage and corrosion. Xsee normal operating conditions
Check the electrical and mechanical protection devices for correct
function. Xsee normal operating conditions
Check that the type plate of the fan is legible. X X
Check the connection terminals and cable glands for tight fit and
visible damage/defects. Xsee normal operating conditions
Check the flexible connectors for damage. Xsee normal operating
conditions
Note
For all other damage/failures, please contact Walpol.
12.4. Spare parts
• Only use original spare parts from Walpol!
• When ordering spare parts, state the serial number of the fan. This is indicated on the type plate.
13. Cleaning
Safety instructions
• Cleaning may only be carried out by appropriately qualified persons, for details see Table 1 Qualification. The 5 safety
rules must be observed, see 2.3 The 5 safety rules for working in and on electrical installations.
• The impeller must be stationary.
• The rules of VDI 2052 apply

18
Procedure
Important
For a long period of use, keep the fan clean.
• Install a pre-filter (e.g. Walpol filter box).e.g. filter box from Walpol).
• Do not use hard brushes, steel brushes or sharp-edged objects.
• Never use a high-pressure cleaner ("steam jet").
• Do not bend or scratch the fan blades when cleaning.
• When cleaning the impeller, make sure that the balance weights are attached.
• Keep the fan airways clean and, if necessary, clean them carefully with a cleaning cloth or a "soft" brush.
Note
Proper operation is only possible with regular "gentle" cleaning.
14. Disassembly/removal
Disassembly and removal of the motor must be carried out in reverse order to assembly and electrical connection.
15. Disposal
• Ensure that the material is recycled. Observe the national regulations.
• The unit and the transport packaging consist mainly of recyclable raw materials.
• Dismantle the fan into its components.
• Separate the parts according to:
Reusable parts
Material groups for disposal (metal, plastic, electrical parts, etc.)
16. EU Declaration of Conformity - Airbox
The manufacturer: Walpol GmbH
Benzstr. 
 Gelsenkirchen
Product designation: Airbox
Type designation: GB, GBG, GBV
As of year of manufac-
ture: 
The manufacturer declares that the above-mentioned products comply with the following harmonisation
regulations in terms of their design and construction as well as the version marketed by us:
EU Directives: //EC Machinery Directive
//EU Electromagnetic Compatibility (EMC) Directive
//EU RoHS Directive
//EC ErP Directives
Regulations: / Only for ventilation units over  W
Location: Gelsenkirchen
Date: 01.012.2021
Maximilian Girnus
Managing Director WALPOL GmbH

19
The manufacturer: Walpol GmbH
Benzstr. 
 Gelsenkirchen
Product designation: Fire gas fans
Type designation: GB HT
As of year of manufac-
ture: 
The manufacturer declares that the above-mentioned products comply with the following harmonisation
regulations in terms of their design and construction as well as the version marketed by us:
EU Directives: //EC Machinery Directive
//EU Electromagnetic Compatibility (EMC) Directive
//EU RoHS Directive
Regulations:
Harmonised standards: DIN EN ISO : - Safety of machinery - General principles for design -
Risk assessment and risk reduction
DIN EN -: - Safety of machinery - Electrical equipment of machines,
Part : General requirements
DIN EN --: - Electromagnetic compatibility (EMC) - Part -:
Generic standards Immunity for residential, commercial and light-industrial
environments
DIN EN --: - Electromagnetic compatibility (EMC) - Part -:
Generic standards Immunity for industrial environments
DIN EN -: - Smoke and heat control, Part : Requirements for
mechanical smoke and heat exhaust ventilators
Location: Gelsenkirchen
Date: 01.012.2021
Maximilian Girnus
Managing Director WALPOL GmbH
17. Commissioning protocol
Only if commissioning has been carried out correctly and written proof of this is provided, is the warranty valid.
Order data
Article no./serial no./fan Designation:
Order no.:
System designation:
Conveying medium: Conveying medium temperature

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Installation company
Company: Contact person:
Company address:
Tel.No.: E-mail:
Operator (installation site)
Company: Contact person:
Company address:
Tel. no.: E-mail:
Nominal data - fan (nameplate on fan housing)
Voltage [V]: Current [A]: :
Frequency [Hz] Power [kW]:
Impeller speed [rpm]
Installation
Type of connection Yes No
Directly connected to mains (without control)  
Via contactor control  
- V signal (EC motor)  
Transformer  
Frequency converter  
Sine-Filter  
Shielded cables  
Sealing of connection cable  
FESTER Clamp fit of wires  
Motor protection
Motor protection switch or motor protection
relay
 
PTC thermistor  
Thermal contact  
Electrical motor protection  
Other
Installation Yes No
No ° bend directly connected to fan/
Maintain minimum distances as per sketch
 
Visual inspection/Make sure all parts are tight  
Condensate drain connected (if present)  