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www.blaubergventilatoren.de

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KOMFORT LE

BLAUBERG Ventilatoren GmbH is happy to offer your attention the air 

handling unit with heat recovery KOMFORT LE.

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 unit.  

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 air handling unit with heat recovery KOMFORT LE is designed for 

efficient and energy saving ventilation of domestic and public premises. 

The unit is not a ready to use product but a component part of central air 

conditioning and ventilation network. 

The unit is designed for wall mounting. 

The unit is rated for indoor application at ambient temperature from +1 °C 

up to +40 °C and relative humidity not exceeding 80% with the transported air 

temperature from  -25 °C up to +60 °C. 

Hazardous parts access and water ingress protection rating:

 

Unit motors - IP 44;

 

Assembled unit connected to air ducts - IP 22.

The unit design is regularly improved, so some models can slightly differ 

from those ones described in this service instruction. 

SAFETY RULES

All operations related to the unit electrical connections, servicing and 

repair works are allowed only after the unit disconnection from power mains.  

The unit is rated as a Class I electrical appliance.

All mounting and servicing operations are allowed by duly qualified 

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 mains. The casing internals must be free of any 

foreign objects which can damage the impeller blades.

The unit maintenance and repair is allowed only after power cut-off and 

full stop of the rotating parts.

Misuse of the unit or any unauthorized modification are not allowed. 

The unit is designed for connection to ac single-phase power mains, see 

«Technical Data». 

The unit is rated for permanent operation.

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.  The maximum permitted pressure 

difference per living units is 4 Pa.

The transported air must not contain any dust or other solid impurities, 

sticky substances or fibrous materials.

The unit is not rated for operation in a flammable or explosive medium. 

Fulfil the operation manual requirements to ensure a trouble-free and 

long service life of the unit. 

TRANSPORTATION AND STORAGE RULES

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. Fulfil the requirements for transportation of 

the specified cargo type during cargo-handling operations. 

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 fluctuations. 

Do not expose the unit to the temperatures below  +10 °C and above  

+40 °C .

Connection of the unit to power mains is allowed after the unit has been 

kept indoor 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. This certificate is issued following test carried 

out on samples of the product referred to above. Assessment of compliance of 

the product with the requirements relating to electromagnetic compatibility 

was based on the following standards.

The manufacturer hereby warrants normal operation of the unit over 

the period of two years from the retail sale date provided observance of the 

installation and operation regulations.

In case of failure due to manufacturing fault during the warranty period 

the consumer has the right to exchange it.

The replacement is offered by the Seller. 

If case of no confirmation of the sale date, the warranty period shall be 

calculated from the manufacturing date.

The manufacturer shall not be liable 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 material 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 is not allowed for use by children and persons with reduced 

physical, mental or sensory capacities, without proper practical experience 

or expertise, unless they are controlled or instructed on the product opera-

tion by the person(s) responsible for their safety. Supervise the children and 

do not let them play with the product. 

!

KOMFORT_LE_v2(2)_EN.indd   3

10.08.2015   12:00:43

Содержание KOMFORT LE Series

Страница 1: ...OPERATION MANUAL KOMFORT LE AIR HANDLING UNIT WITH HEAT RECOVERY KOMFORT_LE_v2 2 _EN indd 1 10 08 2015 12 00 42 ...

Страница 2: ...sign 4 Operating logic 4 Delivery set 5 Technical data 6 Mounting 10 Condensate drainage 11 Control panel mounting 11 Connection to power mains 12 Unit control 17 Troubleshooting and fault handling 18 Technical maintenance 19 Acceptance certificate 19 Connection certificate 19 Warranty card CONTENTS KOMFORT_LE_v2 2 _EN indd 2 10 08 2015 12 00 42 ...

Страница 3: ... 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 Fulfil the requirements for transportation of the specified cargo type during cargo handling operations Store the unit in a dry an...

Страница 4: ...e actuated at 90 C with manual restart The built in G4 extract cassette filter and F7 supply cassette filter provide efficient extract and supply air filtration The unit includes an integrated control system a multifunctional control panel with LCD display The delivery set includes a 10 m long cable for connection of the control panel to the unit For KOMFORT LE 350 3 LE600 4 unit the terminal bloc...

Страница 5: ...PM min 1 1150 1100 1100 1350 1650 1850 1100 1150 Sound pressure level at 3 m distance dB A 24 45 28 47 28 47 32 48 48 60 49 65 Transported air temperature C from 25 up to 55 from 25 up to 50 from 25 up to 50 from 25 up to 55 from 25 up to 45 from 25 up to 40 from 25 up to 45 from 25 up to 40 Casing material aluzinc aluzinc Insulation 25 mm mineral wool 25 mm mineral wool Extract filter G4 G4 Suppl...

Страница 6: ...100 119 111 KOMFORT LE500 3 996 403 954 149 1057 554 497 100 119 111 KOMFORT LE530 4 996 403 954 159 1057 554 497 100 119 111 KOMFORT LE600 4 996 403 954 199 1057 554 497 100 119 111 A C E F G B ØD H I K M L Model Dimensions mm A B C D E F G H I K L M KOMFORT LE800 9 1117 460 1071 249 1176 832 698 613 80 126 154 386 KOMFORT LE1200 9 1117 460 1071 249 1176 832 698 613 80 126 154 386 KOMFORT LE1700 ...

Страница 7: ...may reduce air flow The mounted air ducts must not be deformed Provide airtight connection of the air ducts to the unit spigots and fittings The unit mounting position must provide condensate drainage and access to the terminal box for electric connection and access to the service panel for maintenance and filter replacement While mounting install a ventilation grille an outer hood a disk valve or...

Страница 8: ...unting connect each unit to an individual U trap Direct condensate withdrawal with no connection to the drain system is not allowed Fig 7 Condensate drainage m in 3 drain pipe U trap sewage system connecting hose connecting hose min 3 А В А В 60 mm CONNECTION TO POWER MAINS WARNING Read the operation manual prior to any electric installations Connection of the unit to power mains is allowed by a q...

Страница 9: ...n is placed inside of the terminal box The terminal clamp marking corresponds to the marking on the wiring diagram Route the cables to the terminal box through the cable lead in on the unit side panel to preserve the electrical protection class The fixed electrical wiring must be equipped with an automatic switch that is used for connection of the unit to power mains with a gap on all poles at lea...

Страница 10: ...k 3 1 Remove the data cable 2 Route the cable to the control panel installation place 3 Install the control panel fig 10 as follows 3 1 Route the cable through the opening in the bottom cover 3 2 Fix the bottom cover of the control panel in the installation place The screw head must not be in contact with the control panel circuit board otherwise the equipment may be damaged 3 3 Strip the cable fo...

Страница 11: ...ck the operation parameters In case of emergency like heater overheating communication circuit break the control system is cut off and the alarm information is displayed on the control panel The filter replacement warning is shown on the display with set periodicity All user settings are saved in the non volatile storage of the control panel The temperature sensors are supplied pre wired The conne...

Страница 12: ...n mode confirmed by the blinking green LED light indicator and turns off in 2 minutes The parameters are selected and edited via the user menu see below Unit shutdown procedure Shutdown of electric heating elements Changeover to low speed and running with low speed for 2 minutes Activation of Heater blowing mode The green LED light is blinking This mode is used for cooling of the electric heating ...

Страница 13: ...m the main window press Temperature setting Service menu Speed stage Navigation between the menu items use the buttons press or press Back one level and entering the main window press Entering the current menu item for editing press 5 1 Main menu Is used to edit the most important operating parameters 5 1 1 Temperature setting Entering the menu item Temperature setting select the required item pre...

Страница 14: ...n of the warning signal from the control panel The factory setting is 99 days Entering the menu item Service menu select the required item press Temperature setting Service menu Speed stage Entering the menu item Filter replacement timer select the required item press Clock and calendar Day Timer Filter replacement timer Editing the time period set the required value Filter replacement after days ...

Страница 15: ...dule If this mode id activated the unit turns on in set time operates in compliance with set parameters with automatic fan speed and temperature control according to set parameters of week schedule Main window with activated week timer is displayed as follows room set Vent Н Heat Entering the menu item Service menu select the required item press Temperature setting Service menu Speed stage Enterin...

Страница 16: ...nger freezing this way In case of the heat exchanger freezing danger the bypass damper located in the supply air side is opened The supply air flows through the bypass damper and the extract air flows through the heat exchanger and heats and frozen heat exchanger surface After defrosting of the heat exchanger and increase of the extract air temperature the bypass damper os closed and the supply ai...

Страница 17: ...es not start when the unit is on No power supply or wrong connection to power mains Connect the unit 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 unit off and contact the unit seller for troubleshooting Low air flow Too low set speed Set higher speed...

Страница 18: ...at exchanger efficiency even in case of the regular filter cleaning Clean it with warm detergent solution Remove the heat exchanger from the unit and flush it with warm detergent solution Install the dry heat exchanger back to the unit 3 Fan maintenance once per year The regular filter cleaning may not completely prevent the dust ingress into the unit which results in the unit capacity decrease Cl...

Страница 19: ...ation of the laws of the Member States relating to electromagnetic compatibility This certificate is issued following test carried out on samples of the product referred to above Approval mark Manufacturing date ____________________ Company Name Date Signature The air handling unit with heat recovery KOMFORT LE350 3 KOMFORT LE500 3 KOMFORT LE530 4 KOMFORT LE600 4 KOMFORT LE800 9 KOMFORT LE1200 9 K...

Страница 20: ...www blaubergventilatoren de KOMFORT LE v 2 2 EN KOMFORT_LE_v2 2 _EN indd 20 10 08 2015 12 00 53 ...

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