BLAUBERG Ventilatoren Iso-Mix EC Series User manual

USER’S MANUAL
INLINE FANS IN SOUND-INSULATED CASING
EN
Iso-Mix EC

2
CONTENTS
Delivery set ............................................................................................................................................................................................................................................ 7
Brief description ................................................................................................................................................................................................................................ 7
Operation guidelines ...................................................................................................................................................................................................................... 8
Designation key................................................................................................................................................................................................................................... 8
Installation and set-up..................................................................................................................................................................................................................... 9
Connection to power mains ...................................................................................................................................................................................................... 13
Electronics operation algorithm ............................................................................................................................................................................................... 14
Technical maintenance ................................................................................................................................................................................................................. 15
Troubleshooting.................................................................................................................................................................................................................................. 16
Storage and transportation regulations............................................................................................................................................................................... 16
Manufacturer’s warranty................................................................................................................................................................................................................ 17

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This user’s manual is a main operating document intended for technical, maintenance, and operating staff.
The manual contains information about purpose, technical details, operating principle, design, and installation of the
Iso-Mix EC unit and all its modifications.
Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should
be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the
territory of the country.
READ THE USER’S MANUAL CAREFULLY BEFORE PROCEEDING WITH INSTALLATION WORKS.
COMPLIANCE WITH THE MANUAL REQUIREMENTS ENSURES RELIABLE OPERATION AND LONG
SERVICE LIFE OF THE UNIT.
KEEP THE USER’S MANUAL AVAILABLE AS LONG AS YOU USE THE UNIT. YOU MAY NEED TO
REREAD THE INFORMATION ON THE PRODUCT SERVICING.

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FOLLOW THE USER’S MANUAL REQUIREMENTS TO ENSURE DURABLE AND
TROUBLE-FREE OPERATION OF THE UNIT
Disconnect the unit from power supply prior to any connection,
servicing, maintenance, and repair operations.
Only qualied electricians with a work permit for electrical units
up to 1000 V are allowed for installation and maintenance. The
present user’s manual should be carefully read before beginning
works.
• Single-phase power mains must comply with the acting local
electrical norms and standards.
• Fixed electrical wiring must be equipped with an automatic circuit
breaker.
• The unit must be connected to power mains through a QF
automatic circuit breaker integrated into the fixed wiring system.
The gap between the circuit breaker contacts on all poles must
be not less than 3 mm. Check the unit for any visible damages of

55
the impeller and the casing before starting installation. The casing
internals must be free of any foreign objects that can damage the
impeller blades.
• While mounting the unit, avoid compression of the casing!
Deformation of the casing may result in the motor jam and noisy
operation. Misuse of the unit and any unauthorised modifications
are not allowed.
• Take steps to prevent ingress of smoke, carbon monoxide, and other
combustion products into the room through open chimney flues or
other fire-protection devices. Sufficient air supply must be provided
for proper combustion and exhaust of gases through the chimney
of fuel burning equipment to prevent back drafting. Transported
air must not contain any dust or other solid impurities, sticky
substances, or fibrous materials.
• Do not use the unit in a hazardous or explosive environment
containing spirits, gasoline, insecticides, etc.
• Do not close or block the intake or extract vents in order to ensure
the efficient air flow.

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THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE.
• Do not sit on the unit and do not put objects on it.
• The unit is allowed to be used by children aged from 8 years old
and above and persons with reduced physical, sensory, or mental
capabilities or no experience and knowledge provided that they
have been given supervision or instruction regarding safe use of the
unit and understand the risks involved.
• Do not allow children to play with the unit.

7
DELIVERY SET
Fan 1 pc.
Screws with dowels 4 pcs.
Plastic screwdriver (only for models with a timer) 1 pc.
User’s manual 1 pc.
Packing box 1 pc.
BRIEF DESCRIPTION
The product described herein is a mixed-flow inline fan for supply or extract ventilation of premises heated during winter time.
The fan is designed for connection to ø 100, 125, 150, 160, 200, 250 and 315 mm air ducts.
The fan is equipped with an energy-efficient and high-performance electronically commutated motor (EC motor) and a built-in
speed controller.
An external control unit can be connected to the fan.
The fan design is constantly being improved, thus some models may be slightly different from those described in this manual.
To comply with the ErP 2018 regulation, a local demand controller must be used.

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DESIGNATION KEY
Iso-Mix EC XXX X X
Unit voltage:
_ — 230 V/50 (60) Hz (by default)
(YYYV/ZZHz) — mains parameters other than the default ones
Options:
_ — base model
G — speed controller with electronic thermostat and temperature sensor integrated in
the air duct, power cord with mains plug
GI — speed controller with electronic thermostat and external temperature sensor fixed
on 4 m cable, power cord with mains plug
FR — built-in smooth speed controller and power cord with mains plug
Rated spigot diameter [mm]
Motor type
Fan model
OPERATION GUIDELINES
The fan is rated for connection to single-phase AC 230 V/50 (60) power mains.
The fan is rated for continuous operation.
Air motion direction in the system must match the pointer on the fan casing.
Hazardous parts access and water ingress protection rating is IPX4.
The fan is rated for operation at the ambient temperature ranging from +1 °C up to +45 °C.
Transported air temperature must not exceed +60 °C.
The ventilator is rated as a class II electric appliance.

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INSTALLATION AND SET-UP
The fan is suitable both for horizontal or vertical mounting on the floor, on the wall or on the ceiling.
While mounting the fan provide extra protection against water ingress, such as:
• For the top mounting: install an outer protecting hood above.
• In case of any mounting position: connect an air duct on both sides of the fan.
4 x D
4 x D

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Cut off power supply and make sure electricity has been
turned off. Mark the holes for fixing the fan and the power
cable.
Lead the power cable to the ventilation hole, drill the
mounting holes and install the dowels.
Fix the fan with the screws. For any mounting position: connect an air duct on both
sides of the fan.

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Sequence of power supply connection
Remove the fan cover. Installation locations of the R1 potentiometer, XP1 and XP2
terminals are shown on the control board. DIP switch SW.
Х1
Х2
R1
SW
Connect the XP1 and XP2 terminal block counterparts.
Reassemble the fan in the reverse order.
Supply power to the fan.
S1

12
Features of dierent fan models control
Iso-Mix EC XXX G, Iso-Mix EC XXX GI Iso-Mix EC XXX FR
Thermostat
control knob
Speed
control knob Speed
control knob

13
CONNECTION TO POWER MAINS
The fan is rated for connection to single-phase AC 230 V/50-60 Hz power mains.
TERMINAL DESIGNATIONS ON THE WIRING DIAGRAM
L — line +10 V — +10 V output
N — neutral CTR — control signal +2 ... + 10 V
Х1 — terminal block for 230 V/50-60 Hz power mains GND — general
Х2 — terminal block for connection of an external speed controller TACH — 2 signals per 1 revolution
S1 — external speed controller 0-10 V SW — DIP switch
QF — external circuit breaker R1 — internal speed controller
N
L
QF
(2)
SW
R1
X1 X2
blue
red
yellow
blue
white
brown
external
control device
230 V
50/60 Hz
DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT
OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD

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ELECTRONICS OPERATION ALGORITHM
The fan has a built-in speed controller, and a switch on the board to select a control method - by a built-in or an external
controller.
Mode 1: SW switch in IN position. The control signal is set by the R1 potentiometer.
Rotations are controlled from minimum (extreme left position) to maximum (extreme right position).
When rotating clockwise, the rotations increase.
Mode 2: SW switch in EXT position. The control signal is set by the external control device.
The motor is controlled by sending of an external control signal from 0 to 10 V to the X2 terminal block.
The Iso-Mix EC XXX G, Iso-Mix EC XXX GI fans is equipped with an electronic module (speed controller with an electronic
thermostat) for automatic motor speed control (air flow) depending on the air temperature.
The terminal compartment incorporates 2 control knobs:
motor speed preset button
electric thermostat control knob
The LED indicator is placed at the front panel of the fan to show the thermostat operating status.
To set the thermostat threshold, rotate the thermostat control knob clockwise to increase or counter-clockwise to decrease the
temperature set point accordingly.
To set the fan speed (air flow), rotate the speed control knob in the same way.
The Iso-Mix EC XXX FR fan is equipped with a speed controller that enables switching the fan on/off and smooth speed (air
flow) regulation from minimum to maximum value.

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TECHNICAL MAINTENANCE
The fan maintenance periodicity is at least once per 6 months.
Maintenance steps:
Disconnect the fan from power supply and make sure
electricity has been turned off. Disconnect the air duct on
both sides of the fan.
Clean the fan with a soft dry cloth or a brush.
Wipe the fan surfaces dry. Connect an air duct on both sides of the fan. Supply
power to the fan.
CAUTION! Do not allow water or liquid come into contact with electric components!

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STORAGE AND TRANSPORTATION REGULATIONS
• Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with temperature range
from +5 °C to + 40 °C and relative humidity up to 70 %.
• Storage environment must not contain aggressive vapors and chemical mixtures provoking corrosion, insulation, and
sealing deformation.
• Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit.
• Follow the handling requirements applicable for the particular type of cargo.
• The unit can be carried in the original packaging by any mode of transport provided proper protection against precipitation
and mechanical damage. The unit must be transported only in the working position.
• Avoid sharp blows, scratches, or rough handling during loading and unloading.
• Prior to the initial power-up after transportation at low temperatures, allow the unit to warm up at operating temperature
for at least 3-4 hours.
TROUBLESHOOTING
Problem Possible reasons Troubleshooting
When the unit is connected to power
mains, the fan does not rotate and
does not respond to any controls.
No power supply.
Make sure the power supply line
is connected correctly, otherwise
troubleshoot the connection error.
Internal connection fault. Contact the Seller.
Low air flow. The ventilation system is clogged. Clean the ventilation system.
Increased noise, vibration.
The impeller is clogged. Clean the impeller.
The fan is not secured well or is not
mounted properly. Troubleshoot the installation error.
The ventilation system is clogged. Clean the ventilation system.

17
MANUFACTURER’S WARRANTY
The product is in compliance with EU norms and standards on low voltage guidelines and electromagnetic compatibility.
We hereby declare that the product complies with the provisions of Electromagnetic Compatibility (EMC) Directive 2014/30/
EU of the European Parliament and of the Council, Low Voltage Directive (LVD) 2014/35/EU of the European Parliament and
of the Council and CE-marking Council Directive 93/68/EEC. This certificate is issued following test carried out on samples
of the product referred to above.
The manufacturer hereby warrants normal operation of the unit for 24 months after the retail sale date provided the user's
observance of the transportation, storage, installation, and operation regulations. Should any malfunctions occur in the
course of the unit operation through the Manufacturer's fault during the guaranteed period of operation, the user is entitled
to get all the faults eliminated by the manufacturer by means of warranty repair at the factory free of charge. The warranty
repair includes work specific to elimination of faults in the unit operation to ensure its intended use by the user within the
guaranteed period of operation. The faults are eliminated by means of replacement or repair of the unit components or a
specific part of such unit component.
The warranty repair does not include:
• routine technical maintenance
• unit installation/dismantling
• unit setup
To benefit from warranty repair, the user must provide the unit, the user's manual with the purchase date stamp, and the
payment paperwork certifying the purchase. The unit model must comply with the one stated in the user’s manual. Contact
the Seller for warranty service.
The manufacturer’s warranty does not apply to the following cases:
• User’s failure to submit the unit with the entire delivery package as stated in the user’s manual including submission with
missing component parts previously dismounted by the user.
• Mismatch of the unit model and the brand name with the information stated on the unit packaging and in the user's
manual.
• User’s failure to ensure timely technical maintenance of the unit.
• External damage to the unit casing (excluding external modifications as required for installation) and internal components
caused by the user.

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• Redesign or engineering changes to the unit.
• Replacement and use of any assemblies, parts and components not approved by the manufacturer.
• Unit misuse.
• Violation of the unit installation regulations by the user.
• Violation of the unit control regulations by the user.
• Unit connection to power mains with a voltage different from the one stated in the user's manual.
• Unit breakdown due to voltage surges in power mains.
• Discretionary repair of the unit by the user.
• Unit repair by any persons without the manufacturer’s authorization.
• Expiration of the unit warranty period.
• Violation of the unit transportation regulations by the user.
• Violation of the unit storage regulations by the user.
• Wrongful actions against the unit committed by third parties.
• Unit breakdown due to circumstances of insuperable force (fire, flood, earthquake, war, hostilities of any kind, blockades).
• Missing seals if provided by the user’s manual.
• Failure to submit the user’s manual with the unit purchase date stamp.
• Missing payment paperwork certifying the unit purchase.
FOLLOWING THE REGULATIONS STIPULATED HEREIN WILL ENSURE A LONG AND TROUBLE-FREE
OPERATION OF THE UNIT.
USER’S WARRANTY CLAIMS SHALL BE SUBJECT TO REVIEW ONLY UPON PRESENTATION OF THE
UNIT, THE PAYMENT DOCUMENT AND THE USER’S MANUAL WITH THE PURCHASE DATE STAMP.

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Quality Inspector’s Stamp Sold by
(name and stamp of the seller)
Manufacture Date Purchase Date

blaubergventilatoren.de
B97-1EN-04
Iso-Mix EC
100
125
150 G
160 GI
200 FR
250
315
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