BLAUBERG Ventilatoren Tower-V Series User manual

Tower-V
Tower-H
Tower-V EC
Tower-H EC
CENTRIFUGAL ROOF FAN
OPERATION MANUAL
EN

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
CONTENTS
Introduction 3
General 3
Safety regulations 3
Transportation and storage regulations 3
Manufacturer's warranty 3
Design 4
Delivery set 5
Technical data 5
Mounting and operation guidelines 7
Connection to power mains 9
Technical maintenance 13
Troubleshooting 13
Acceptance certicate 14
Connection certicate 14
Warranty card 14

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
BLAUBERG Ventilatoren GmbH is happy to oer your attention the Tower-
V(H) / Tower-V(H) EC centrifugal roof fan.
INTRODUCTION
The present operation manual contains a technical description, technical
data sheets, operation and mounting guidelines, safety precautions and
warnings for safe and correct operation of the fan.
Read carefully and understand the operation manual, especially the safety
requirements, before the unit mounting and start up.
Keep the operation manual available as long as you use the unit.
GENERAL
The Tower-V(H) / Tower-V(H) EC centrifugal roof fans are designed for
exhaust ventilation of various premises. The fan is suitable for vertical
mounting on the exhaust ventilation shaft of the air duct.
The fan is not a ready to use product but a component part of a ventilation
network.
The fan is allowed for operation only after nal mounting that includes
installation of protecting devices in compliance with DIN EN ISO 13875 (DIN
EN ISO 12100) as well as other construction safety equipment.
Design of the fans is regularly improved, so some models can slightly
dier from those ones described in this operation manual.
SAFETY REGULATIONS
All operations related to the unit electrical connections, servicing and repair
works are allowed only after the unit is disconnected from power supply.
The unit is rated as a Class I electrical appliance.
All mounting and servicing operations must be carried out only by qualied
personnel.
Please follow the safety regulations and working instructions (DIN EN 50
110, IEC 364).
Make sure the impeller and the casing are not damaged before connecting
the unit to power supply. The casing internals must be free of any foreign
objects which can damage the impeller blades or the motor.
The unit maintenance and repair are allowed only after power cut-o and
full stop of the rotating parts.
Misuse of the unit or any unauthorized modications are not allowed.
The unit is designed for connection to power supply in compliance with the
"Technical data" section.
The unit is rated for continuous operation.
Take steps to prevent ingress of smoke, carbon monoxide and other
combustion products into the room through open chimney ues or other
re-protection devices. Sucient air supply must be provided for proper
combustion and exhaust of gases through the chimney of fuel burning
equipment to prevent back drafting. The maximum permitted pressure
dierence per living units is 4 Pa.
The transported air must not contain any dust or other solid impurities,
sticky substances or brous materials.
The unit is not rated for operation in a ammable or explosive medium.
Full the operation manual requirements to ensure a trouble-free and long
service life of the unit.
TRANSPORTATION AND STORAGE REGULATIONS
Transportation of the unit is allowed by any vehicle provided the unit is
transported in the original package and is protected against weather and
mechanical damages.
Use hoist machinery for handling and transportation to prevent possible
mechanical damages of the unit. Full the requirements for transportation of
the specied cargo type.
Store the unit in a dry and cool place in the original packing.
The storage environment must not be subjected to any aggressive and/
or chemical evaporations, admixtures, foreign objects that may provoke
corrosion and damage connection tightness.
Store the unit in an environment with minimized risk of mechanical
damages, temperature and humidity uctuations.
Do not expose the unit to the temperatures below +5 °C and above +40 °C .
Connection of the unit to power supply is allowed after the appliance has
been kept indoors for minimum two hours.
MANUFACTURER'S WARRANTY
The unit complies with the requirements according to the EU norms
and directives, to the relevant EU-Low Voltage Equipment Directives, EU-
Directives on Electromagnetic Compatibility.
We hereby declare that the unit complies with the essential protection
requirements of Electromagnetic Council Directive 2004/108/EC, 89/336/EEC
and Low Voltage Directive 2006/95/EC, 73/23/EEC and CE-marking Directive
93/68/EEC on the approximation of the laws of the Member States relating
to electromagnetic compatibility, which relate to electrical appliances used
in set voltage classes.
The manufacturer hereby warrants normal operation of the unit over
the period of two years from the retail purchase date provided observance
of the installation and operation regulations. In case of a failure due to a
manufacturing fault during the warranty period the consumer has the right
to exchange it.
The replacement is oered by the Seller.
In case of no conrmation of the purchase date, the warranty period is
calculated from the manufacture date.
The MANUFACTURER is not responsible for any damage resulting from
any misuse of or gross mechanical interference with the unit.
The MANUFACTURER is not responsible for the damages resulted due to
the use of third party equipment or to third party equipment.
WARNING
Do not dispose in domestic waste.
The unit contains in part materials
that can be recycled and in part substances that
should not end up as domestic waste.
Dispose of the unit once it has reached the end of
its working life according to the regulations valid in
your country.
WARNING
The unit may not be operated by chil-
dren or persons with reduced physical, mental
or sensory capacities, or lacking the appropriate
training, unless they are controlled or instructed
on the product operation by the person(s) respon-
sible for their safety.
Supervise the children and do not let them play
with the product.
!

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
The fan casing is made of steel with a special weatherproof polymer
coating. The air discharge is horizontal in the Tower-H / Tower-H EC models
and vertical in the Tower-V / Tower-V EC models. The fan is equipped with a
terminal box for connection to power mains. The fan is rated for continuous
operation. The impeller is equipped with a protecting grille in Tower-H /
Tower-H EC models.The upper cover is equipped with eye bolts for easy lifting
of the fan to the roof using hoist machinery. A connecting plate is designed to
facilitate mounting to the roof surface or to the mounting frame.
The Tower-H / Tower-V models are equipped with a two-, four- or six-
pole asynchronous motor with an external rotor and a centrifugal impeller
with backward curved blades. Single-phase (E) or three-phase (D) motor
modications. The motor is equipped with ball bearings for a longer service
life. The built-in thermal switches are used for overheating protection. The
thermal switches are equipped with terminals leaded outside for connection
to external protecting controls. The thermal switch terminal leads are
designed for connection to respective circuit of the terminal block, overload
relay or respective terminals of an autotransformer or thyristor speed
controller. Both smooth or step speed control is performed by means of the
thyristor or autotransformer controller (both available upon separate order).
Tower-H EC / Tower-V EC fans are equipped with high-ecient external
rotor EC motors and centrifugal impellers with backward curved blades.
The motor is equipped with an integrated overheating protection with an
automatic restart. The fan with a EC-motor is controlled with a 0-10 V external
control signal, e.g. CDT E/0-10 speed controller for EC-motors.
DESIGN
Fig. 1. Tower-V EC design
Fig. 3. Tower-V design
Fig. 2. Tower-H EC design
Fig. 4. Tower-H design
Protecting housing
Cover
Pan
Terminal box
Eye bolt
Base
Electric motor with
an impeller
Protecting grille
Protecting housing
Cover
Pan
Protecting grille
Eye bolt
Terminal box
Electric motor
with an impeller
Cover
Pan
Protecting grille
Eye bolt
Terminal box
Electric motor
with an impeller
Protecting housing
Pan
Terminal box
Base
Electric motor with
an impeller
Protecting grille

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
TECHNICAL DATA
Table 1. Tower-V / Tower-H technical data
Table 2. Tower-V EC / Tower-H EC technical data
Parameters Tower-V 220 2Е
Tower-H 220 2Е
Tower-V 225 2Е
Tower-H 225 2Е
Tower-V 250 2Е
Tower-H 250 2Е
Tower-V 280 2Е
Tower-H 280 2Е
Tower-V 310 4Е
Tower-V 310 4Е
Voltage [V / 50 Hz] 230 230 230 230 230
Power [W] 85 135 155 225 120
Current [A] 0,38 0,6 0,7 1,0 0,54
Maximum air capacity [m3/h] 700 900 1300 1780 1820
RPM 2700 2650 2600 2700 1370
Sound pressure level at 3 m distance [dB(A)] 49 49 65 66 45
Max. transported air temperature [°C] 55 55 50 50 85
Ingress protection rating IP X4 IP X4 IP X4 IP X4 IP X4
Parameters Tower-V 310 4D
Tower-H 310 4D
Tower-V 355 4Е
Tower-H 355 4Е
Tower-V 355 4D
Tower-H 355 4D
Tower-V 400 4Е
Tower-H 400 4Е
Tower-V 400 4D
Tower-H 400 4D
Voltage [V / 50 Hz] 400 230 400 230 400 Y
Power [W] 110 245 170 480 385
Current [A] 0,32 1,12 0,52 2,4 0,7
Maximum air capacity [m3/h] 1950 2800 2350 3400 3800
RPM 1400 1420 1400 1400 1430
Sound pressure level at 3 m distance [dB(A)] 53 46 53 52 52
Max. transported air temperature [°C] 65 50 70 80 60
Ingress protection rating IP X4 IP X4 IP X4 IP X4 IP X4
Parameters Tower-V 450 4Е
Tower-H 450 4Е
Tower-V 450 4Е
Tower-H 450 4Е
Tower-V 500 6Е
Tower-H 500 6Е
Voltage [V / 50 Hz] 230 400 Y 230
Power [W] 640 470 385
Current [A] 3,1 0,82 1,82
Maximum air capacity [m3/h] 3850 4300 4700
RPM 1350 1430 880
Sound pressure level at 3 m distance [dB(A)] 53 53 47
Max. transported air temperature [°C] 50 50 50
Ingress protection rating IP X4 IP X4 IP X4
Parameters Tower-V EC 250
Tower-H EC 250
Tower-V EC 280
Tower-H EC 280
Tower-V EC 310
Tower-H EC 310
Tower-V EC 355
Tower-H EC 355
Voltage [V / 50-60 Hz] 1~ 200-277 1~ 200-277 1~ 200-277 3~ 380-480
Power [kW] 0,485 0,455 0,48 0,94
Current [A] 3,0 2,8 3,1 1,5
Maximum air capacity [m3/h] 1750 2650 3220 4500
RPM 3580 2600 2300 2215
Sound pressure level at 3 m distance [dB(A)] 47 47 48 51
Max. transported air temperature [°C] -25 +60 -25 +40 -25 +60 -25 +60
Ingress protection rating IP X4 IP X4 IP X4 IP X4
DELIVERY SET
fan - 1 item;
operation manual - 1 item;
packing box - 1 item.
ATTENTION
Make sure the unit has no visible transport damages while
accepting the goods. Check the ordered and the delivered
goods for compliance.

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
Table 2. Tower-V EC / Tower-H EC technical data (continued)
Parameters Tower-V EC 400
Tower-H EC 400
Tower-V EC 450
Tower-H EC 450
Tower-V EC 500
Tower-H EC 500
Tower-V EC 560
Tower-H EC 560
Voltage [V / 50-60 Hz] 3~ 380-480 3~ 380-480 3~ 380-480 3~ 380-480
Power [kW] 0,77 1,01 2,7 2,3
Current [A] 1,3 1,6 4,3 3,6
Maximum air capacity [m3/h] 5360 6700 10500 11400
RPM 1755 1560 1700 1350
Sound pressure level at 3 m distance [dB(A)] 53 55 63 65
Max. transported air temperature [°C] -25 +60 -25 +60 -25 +60 -25 +60
Ingress protection rating IP X4 IP X4 IP X4 IP X4
Fig. 5. Tower-V / Tower-V EC outline drawing Fig. 6. Tower-H EC outline drawing Fig. 7. Tower-H outline drawing
Table 3. Tower-V / Tower-V EC / Tower-H / Tower-H EC overall dimensions
Model Dimensions [mm] Weight
[kg]
ØD H L L1 L2
Tower-V 220 2Е 213 275 338 245 460 8,9
Tower-V 225 2Е 213 275 338 245 460 9,6
Tower-V 250 2Е 285 275 425 330 520 12
Tower-V 280 2Е 285 275 425 330 520 12,7
Tower-V 310 4E 285 330 438 330 560 17,8
Tower-V 310 4D 285 330 438 330 560 17,8
Tower-V 355 4Е 438 420 598 450 783 22
Tower-V 355 4D 438 420 598 450 783 22
Tower-V 400 4Е 438 420 598 450 783 27,5
Tower-V 450 4Е 438 454 668 535 872 30
Tower-V 400 4D 438 420 598 450 783 27,5
Tower-V 450 4D 438 454 668 535 872 30
Tower-V 500 6Е 438 454 668 535 872 33,8
Tower-V EC 250 285 320 435 330 528 16
Tower-V EC 280 285 327 435 330 557 18
Tower-V EC 310 285 327 435 330 557 21
Tower-V EC 355 438 387 595 450 708 38
Tower-V EC 400 438 387 595 450 708 82
Tower-V EC 450 438 464 665 535 898 84
Tower-V EC 500 438 464 665 535 898 88
Tower-V EC 560 605 560 940 750 1150 98
Model Dimensions [mm] Weight
[kg]
ØD Ød H L L1 L2
Tower-H 220 2Е 213 10 228 338 245 338 6,9
Tower-H 225 2Е 213 10 228 338 245 338 7,1
Tower-H 250 2Е 285 10 265 425 330 365 10,1
Tower-H 280 2Е 285 10 265 425 330 365 10,2
Tower-H 310 4E 285 10 300 438 330 400 10,2
Tower-H 310 4D 285 10 300 438 330 400 10,2
Tower-H 355 4Е 438 12 348 598 450 550 15,6
Tower-H 355 4D 438 12 325 598 450 550 15,6
Tower-H 400 4Е 438 12 348 598 450 550 21
Tower-H 450 4Е 438 12 400 668 535 640 22,7
Tower-H 400 4D 438 12 323 598 450 550 22
Tower-H 450 4D 438 12 400 668 535 640 22,7
Tower-H 500 6Е 438 12 465 668 535 640 26,6
Tower-H EC 250 285 11 289 435 330 411 16
Tower-H EC 280 285 11 264 435 330 431 16
Tower-H EC 310 285 11 272 435 330 431 19
Tower-H EC 355 438 11 326 595 450 558 38
Tower-H EC 400 438 11 357 595 450 558 81
Tower-H EC 450 438 11 407 665 535 637 82
Tower-H EC 500 438 11 437 665 535 637 81
Tower-H EC 560 605 14 487 940 750 912 98
L2
L1
L
D
d
H

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
MOUNTING AND OPERATION GUIDELINES
Fans are designed for mounting on a roof directly above an air duct or a
ventilation shaft. The fan base has holes for xing bolts that attach the fan to
a stationary even surface. The fan is attached to a square air duct or to the
MRDL/MRIDL mounting frame (available separately). The mounting frame
prevents ingress of water or snow to the air duct.
The FDL counterange mounted on the fan bottom (available separately)
is designed for connection of the fan to a round air duct.
The KDL backdraft dampers (available separately) are designed to prevent
back drafting when the fan is o.
The VDL exible connectors (available separately) are designed to absorb
vibration from the fan to the air duct.
The external terminal box is used for connection to power mains.
Mounting sequence for Tower-V EC:
1) Cut o power supply.
QF
2) Mark and drill the holes for the dowels above the ventilation shaft.
3) Unscrew 8 bolts that x the protecting housing.
4) Remove the protecting housing.
5) Unscrew 4 bolts and remove the cover.
6) Unscrew 4 bolts and remove the base with the motor.
7) Lead the electric cable to the fan mounting place then route it through
the electric lead-in located in the casing of the fan pan. Install the pan of the
fan over the ventilation shaft and x it using dowels.
8) Route the electric cable through the electric lead-in located in the base
casing. Install the base with the motor on the pan and x it using bolts. Route
the electric cable through the electric lead-in located in the terminal box
casing and connect it to the terminal block according to the wiring diagram.
9) Install the fan cover and x it with 4 bolts.
WARNING
Before starting mounting:
read carefully the operation manual of the unit;
check the unit for possible transport damages.
Follow the safety regulations during the unit start-up and operation.

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
10) Install the protecting housing and x it with 8 bolts.
Mounting sequence for Tower-H EC:
1) Cut o power supply.
QF
2) Mark and drill the holes for the dowels above the ventilation shaft.
3) Unscrew 4 bolts that x the protecting housing and remove it.
4) Unscrew 4 bolts and remove the base with the motor.
5) Lead the electric cable to the fan mounting place then route it through
the electric lead-in located in the casing of the fan pan. Install the pan of the
fan over the ventilation shaft and x it using dowels.
6) Route the electric cable through the electric lead-in located in the base
casing. Install the base with the motor on the pan and x it using bolts. Route
the electric cable through the electric lead-in located in the terminal box
casing and connect it to the terminal block according to the wiring diagram.
7) Install the protecting housing and x it with 4 bolts.
Mounting sequence for Tower-V:
1) Cut o power supply.
QF
2) Mark and drill the holes for the dowels above the ventilation shaft.
3) Unscrew 4 nuts and remove the cover.
4) Unscrew 8 bolts that x the protecting housing.

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
5) Remove the protecting housing.
6) Lead the electric cable to the fan mounting place then route it through
the electric lead-in located in the casing of the fan pan. Install the pan of the
fan over the ventilation shaft and x it using dowels.
7) Install the protecting housing.
8) Fix the protecting housing using 8 bolts.
9) Fix the cover using 4 nuts.
CONNECTION TO POWER MAINS
!
WARNING
Connection of the fan to power mains must be carried out by a qualied electrician and after reading the operation manual.
The rated electrical parameters are stated on the rating plate. Any tampering with the internal connections is prohibited
and will void the warranty. Connect the unit only to power mains with valid electric standards. Follow the respective electric
standards, safety rules (DIN VDE 0100), TAB der EVUs. The house cabling system must be equipped with a magnetic trip
automatic switch at the external input. The contact gap on all poles must be at least 3 mm (VDE 0700 T1 7.12.2 / EN 60335-1).
The automatic switch trip current must be not below the rated current consumption (ref. Table 1, 4). Enable quick access to an
automatic switch installation place.

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
L
N
X1
1
2
3
N
LQF
PE
~230 V
50 Hz
4
Ɋȿ
Fig. 8.
~230 V
50 Hz
L
N
X1
1
2
3
N
LQF
PE
5
4
6
TW1
TW2
TW1
TW2
Ɋȿ
~400 V
50-60 Hz
ɏ
1
2
3
4
PE
L1
L2
L3
QF
L1
L2
L3
PE
Fig. 9. Fig. 10.
Depending on the model the fan is rated for connection to 230 V / 50-60
Hz single-phase AC or to 400 V / 50-60 Hz three-phase AC power mains, refer
to the Technical data section.
The recommended rated automatic switch trip current, the recommended
cable cross section and the wiring diagram number is shown in Table 4.
The connection must be made using durable, insulated and heat-resistant
conductors (cables and wires). When selecting conductors take into account
the maximum permissible wire heating temperature, depending on the type
of wire, its insulation, length and laying method, either open installation,
cable channel installation or in-wall wiring.
Cut power supply to the fan o by turning the automatic electric switch
QF to OFF position. Take steps to prevent activation of the automatic switch
prior to nishing mounting.
External wiring diagram and universal connection of fans with EC motors
into a single group is shown in Fig. 14.
An example of the recommended fan wiring diagram using a motor
overheating protection is shown in Fig. 15 for a single-phase motor and in
Fig. 16 for a three-phase motor. The TW1, TW2 terminals are the electrical
leads of the normally closed contact of the motor overheating protection.
Connect the contact in series to power circuit of the magnetic starter coil
KM1 that starts the motor after pressing the S1 button. In case of the motor
overheating the contact gets broken and switches the starter coil o to cut
power o and to stop the motor. The automatic switch QF, the magnetic
starter KM1, the control knobs S1 and S2 are not included in the delivery set
and must be installed independently.
Table 4. Technical data for connection to power mains
Model
Wiring
diagram
(Fig. number)
Automatic switch
rated current [A]
Recommended
cable:
number of wires X
cross section
[mm2]
Tower-V 220 2Е
Fig. 8
1
3 х 0,5
Tower-V 225 2Е
Tower-V 250 2Е
Tower-V 280 2Е 1,6
Tower-V 310 4E 1
Tower-V 310 4D Fig. 10 5 х 0,5
Tower-V 355 4Е Fig. 8 1,6 3 х 0,5
Tower-V 355 4D Fig. 11 1 5 х 0,5
Tower-V 400 4Е Fig. 9 4 3 х 1
Tower-V 450 4Е
Tower-V 400 4D Fig. 11 1 5 х 0,5
Tower-V 450 4D
Tower-V 500 6Е Fig. 9 2,5
3 х 1
Tower-V EC 250
Fig. 12 4
Tower-V EC 280
Tower-V EC 310
Tower-V EC 355
Fig. 13
2 5 х 0,75
Tower-V EC 400
Tower-V EC 450
Tower-V EC 500 10 5 х 1,5
Tower-V EC 560
Model
Wiring
diagram
(Fig. number)
Automatic switch
rated current [A]
Recommended
cable:
number of wires X
cross section
[mm2]
Tower-H 220 2Е
Fig. 8
1
3 х 0,5
Tower-H 225 2Е
Tower-H 250 2Е
Tower-H 280 2Е 1,6
Tower-H 310 4E 1
Tower-H 310 4D Fig. 10 5 х 0,5
Tower-H 355 4Е Fig. 8 1,6 3 х 0,5
Tower-H 355 4D Fig. 11 1 5 х 0,5
Tower-H 400 4Е Fig. 9 4 3 х 1
Tower-H 450 4Е
Tower-H 400 4D Fig. 11 1 5 х 0,5
Tower-H 450 4D
Tower-H 500 6Е Fig. 9 2,5
3 х 1
Tower-H EC 250
Fig. 12 4
Tower-H EC 280
Tower-H EC 310
Tower-H EC 355
Fig. 13
2 5 х 0,75
Tower-H EC 400
Tower-H EC 450
Tower-H EC 500 10 5 х 1,5
Tower-H EC 560

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
~400 V
50 Hz
L2
L1 QF
PE
L2
L1
X1
2
7
1
3
L3
L3
5
4
6
V1
U1
W1
W2
PE
U2
V2
L1
L2
L3
8
9
TW2
TW1 TW1
TW2
TW1
TW2
Ɋȿ
KL1 KL2
KL3 KL2 KL1 PE
Fig. 11. Fig. 12.
Fig. 13.
Terminal
block Contact Purpose/function
KL1
L power mains 50-60 Hz, phase
N power mains 50-60 Hz, zero wire
PE protective ground
NC warning relay, normally closed contact
COM warning relay, common
KL2
+ 10 V voltage output +10 V (no more than 1.1 mA)
0-10 V/PWM control input 0-10 V / PWM
(full resistance 100 kOhm)
GND ground
Terminal
block Contact Purpose/function
KL3
OUT control signal output 0-10 V max. 3 mA
GND ground
0-10 V /
PWM Control input (full resistance 100 kOhm)
+ 10 V external potentiometer power supply, 10 V (+10 %)
max. 10 mA
+ 20 V external sensor power supply, 20 V (±20%)
max. 50 mA
4-20 mA Control input
0-10 V /
PWM Control input
GND ground
RSB RS485 interface for ebmBUS; RS B
RSA RS485 interface for ebmBUS; RS A
RSB RS485 interface for ebmBUS; RS B
RSA RS485 interface for ebmBUS; RS A
Terminal
block Contact Purpose/function
PE PE protective ground conductor
KL1
L3 power mains 50-60 Hz - L3
L2 power mains 50-60 Hz - L2
L1 power mains 50-60 Hz - L1
KL2
NC warning relay, normally closed contact
COM COMMON warning relay
(2A, 250 V, АС1)
NO alarm relay, normally opened contact

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
L
N
X1
1
2
3
L
QF
N
PE
TW1
4
5
6
TW2
~230 V
50 Hz
KM1
S2
“Off”
S1
“On”
KM1
Ɋȿ
X1
~400 V
50 Hz
S2
“Off”
S1
“On”
L1
TW1
TW2
KM1
L2
L3
QF
L1
L2
L3
N
PE
PE
Fig. 15. Fig. 16.
PC with the interface
converter (RS 486) Pressure sensor Warning relay
Power mains
50-60 Hz
Power mains
50-60 Hz
Power mains
50-60 Hz
Fig. 14.

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Tower-V / Tower-H / Tower-V EC / Tower-H EC
TECHNICAL MAINTENANCE
Disconnect the fan from power mains prior to any operations related to
servicing and repair works. Make sure the rotating parts have come to a full
stop.
The fan technical maintenance consists in the periodic cleaning of the fan
surfaces. The impeller blades require thorough cleaning once in 6 months.
Cleaning procedure:
1. Cut o power supply to the fan.
2. Partially dismantle the casing for accessing the contaminated parts of
the fan.
3. Clean the impeller blades with a dry soft brush or compressed air. While
cleaning the fan be careful not to displace the impeller counter weights.
Clean the fan casing with a wet cloth. Protect the electric motor against liquid
ingress.
4. Assemble the fan in the reverse order after cleaning.
QF
WARNING
Cut power supply to the fan o by turning the automatic electric switch QF to OFF position prior to
any maintenance operations.
Take steps to prevent activation of the automatic switch prior to nishing maintenance.
TROUBLESHOOTING
Fault Possible reason Troubleshooting
The fan does not
operate
No power supply or connection error. Connect the fan to power mains. Troubleshoot the connection
error.
Jammed motor, soiled impeller blades. Remove the motor jam, clean the impeller blades.
Automatic switch
tripping Short circuit in power grid. Turn the fan o and contact the seller for troubleshooting.
Noise, vibration
The impeller is soiled. Clean the impeller.
The screw connection is loose. Tighten the fastening screws.
No exible anti-vibration connectors are installed. Install the exible anti-vibration connectors.
Table 5. Possible faults and troubleshooting

14
www.blaubergventilatoren.de
Tower-V / Tower-H / Tower-V EC / Tower-H EC
Centrifugal roof fan
Tower-V
Tower-H
Tower-V EC
Tower-H EC
2E
4E
4D
220
225
250
280
310
355
400
450
500
250
280
310
355
400
450
500
560
is recognized as serviceable.
The product complies with the requirements according to the EU norms and directives, to the relevant EU-Low Voltage Equipment Directives, EU-
Directives on Electromagnetic Compatibility. We hereby declare that the unit complies with the essential protection requirements of Electromagnetic Council
Directive 2004/108/EC, 89/336/EEC and Low Voltage Directive 2006/95/EC, 73/23/EEC and CE-marking Directive 93/68/EEC on the approximation of the laws
of the Member States relating to electromagnetic compatibility, which relate to electrical appliances used in set voltage classes.
This certicate is issued following test carried out on samples of the product referred to above.
Quality Inspector's Stamp Manufacture Date ____________________
Centrifugal roof fan
Tower-V
Tower-H
Tower-V EC
Tower-H EC
2E
4E
4D
220
225
250
280
310
355
400
450
500
250
280
310
355
400
450
500
560
is connected to power mains in compliance with the operation manual requirements by the professional:
Company:
Expert's Full Name
Date Signature
SELLER
PURCHASE DATE
REPRESENTATIVE IN EU
BLAUBERG Ventilatoren GmbH
Aidenbachstr. 52a,
D-81379 Munich,
Germany
ACCEPTANCE CERTIFICATE
CONNECTION CERTIFICATE
WARRANTY CARD
Tower-V
Tower-H
Tower-V EC
Tower-H EC
2E
4E
4D
6E
220
225
250
280
310
355
400
450
500
250
280
310
355
400
450
500
560

www.blaubergventilatoren.de
15
Tower-V / Tower-H / Tower-V EC / Tower-H EC
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NOTES

www.blaubergventilatoren.de
Tower-H (V) / v.4(7) / EN