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www.blaubergventilatoren.de

KOMFORT EC DW

TECHNICAL MAINTENANCE

Regular technical supervision and maintenance of the unit are required to 

ensure the product long service life and non-stop operation. 

Disconnect the unit from power supply prior to any maintenance 

operations.

Warning! Consider the unit sharp edges! Fulfil maintenance 

operations in work gloves!

The recommended unit maintenance periodicity is 3-4 times per year. The 

unit technical maintenance includes regular cleaning and other works:

1. Filter maintenance (3-4 times per year).

Dirty filters increase air resistance and decrease supply air volume. Clean the 

filters with a vacuum cleaner or flush those with water. After two consecutive 

cleanings the filter must be replaced. Install dry filters only!  Contact a local 

distributor to purchase the filters stated above in the «Technical data» section. 

Dirty filters are not considered as a warranty case!

Replace humid and mouldy filters immediately!

Filter removal for 

KOMFORT EC DW600-2 / EC DW1000-4

: 

1. Remove the 5 screws and take the side service panel off. 

2. Pull the filters until they slide off the guides.

Install the filters in the reverse order.

Supply filter 

Extract filter 

Filter removal for 

KOMFORT EC DW2000-2 / EC DW3800-2

:

1. Lift the service panel latches.

2. Open the service panel carefully, supporting it with the hand.

3. Remove the filters from the unit.

2. Heat exchanger maintenance (once per year). 

The heat exchanger must be regularly cleaned to maintain high heat 

recovery efficiency even in case of the regular filter cleaning. Clean the 

heat exchanger 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. 

Heat exchanger removal for 

KOMFORT EC DW600-2 / EC DW1000-4

:

1. Remove the 5 screws and take the side service panel off. 

2. Pull the heat exchanger and remove it from the unit.

3. Disconnect the contact socket on the bypass wall and remove the 

bypass.

4. Remove the second heat exchanger in the same way. 

Assemble the parts in the reverse order. 

Heat exchanger removal for 

KOMFORT EC DW2000-2 / EC DW3800-2

:

1. Lift the  service panel latches. 

2. Open the service panels supporting those with the hand. Release the 

drain pipe from the side of the water heater installation and lower it down. 

Release the second drain pipe by pulling the drain pan aside. Install the drain 

pan in the reverse order. The heat exchanger removal for further cleaning 

should be made by the service department.

 

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 performance decrease. Clean the fan 

with a soft cloth or a brush. Cleaning with water, abrasive detergents, sharp 

object or chemicals is not allowed.

QF

WARNING!

Cut power supply to the unit off by turning the automatic electric switch QF to OFF position prior to 

any maintenance operations. 

Take steps to prevent re-activation of the automatic switch.

!

KOMFORT EC DW v1(6)_EN.indd   28

10.08.2015   10:11:18

Содержание KOMFORT EC DW Series

Страница 1: ...KOMFORT EC DW AIR HANDLING UNITS WITH HEAT RECOVERY OPERATION MANUAL EN KOMFORT EC DW v1 6 _EN indd 1 10 08 2015 10 10 59 ...

Страница 2: ... 11 Condensate drainage 12 Connection to power mains 15 Outdoor temperature sensor mounting and connection 15 Duct humidity sensor mounting and connection 16 Control panel mounting 18 Unit control 27 Error code description 27 Factory settings 28 Technical maintenance 29 Troubleshooting and fault handling 30 Acceptance certificate 30 Connection certificate 30 Warranty card KOMFORT EC DW v1 6 _EN in...

Страница 3: ...e and long service life of the appliance TRANSPORTATION AND STORAGE RULES Transportation of the appliance is allowed by any vehicle provided the appliance 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 appliance Fulfil the requirements for transportation...

Страница 4: ...eater is turned on automatically according to temperature sensor readings Cold intake air passes by the heat exchanger and is warmed up to set temperature in the heater Synchronously extract air that passes by the heat exchanger is used for its defrosting After the freezing danger is over the bypass damper is closed the heater is turned off the intake air passes through the heat exchanger again an...

Страница 5: ...ransfers cold from the cooled extract air to the warm fresh air This contributes to better performance of the air conditioner in ventilated premises DELIVERY SET Air handling unit 1 item Operation manual 1 item Wall mounted control panel 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 co...

Страница 6: ... capacity m3 h 600 1000 1950 3800 RPM 3060 2780 2920 2580 Sound pressure level at 3 m distance dB A 53 52 58 59 Transported air temperature C 25 up to 60 25 up to 40 25 up to 50 Casing material aluzinc Insulation 20 mm mineral wool 25 mm mineral wool Extract filter cassette G4 Supply filter pocket G4 F7 cassette G4 Connected air duct diameter mm 200 250 315 400 Weight kg 77 98 194 295 Heat recover...

Страница 7: ...ater coil calculation diagram Fig 6 KOMFORT EC DW1000 4 hot water coil calculation diagram How to use water heater diagrams Sample parameters Air flow 950 m3 h Outside air temperature 15 C Water temperature in out 90 70 C Air Speed inside coil Starting from 950 m3 h on the air flow scale draw a vertical line This line crosses the air speed axis and shows a value of about 3 35 m s Supply air temper...

Страница 8: ...e to the pressure drop axis 9 8 kPa Fig 7 KOMFORT EC DW2000 2 hot water coil calculation diagram Fig 8 KOMFORT EC DW3800 2 hot water coil calculation diagram How to use water heater diagrams Sample parameters Air flow 3500 m3 h Outside air temperature 10 C Water temperature in out 90 70 C Air Speed inside coil Starting from 3500 m3 h on the air flow scale draw a vertical line This line crosses the...

Страница 9: ...r maintenance and filter replacement Fig 9 Fig 9 Minimum service access to the unit A minimum required access distance for water heater installation The distance is selected depending on the installation conditions at the discretion of the installer B min 850 mm for KOMFORT EC DW600 2 B min 800 mm for KOMFORT EC DW1000 4 A minimum required access distance for condensate drainage The distance is se...

Страница 10: ...beams Use threaded rods of sufficient length to avoid possible resonance with a mounting surface If the connection point of the spiral seam air duct to the unit is supposed to be a source of noise generation replace a spiral seam air duct with a flexible air duct The flexible anti vibration connectors specially ordered accessories may also be useful Fig 11 Water heater connection In order to achie...

Страница 11: ...w 0 C provide heating for the drain system WARNING In case of several units mounting connect each unit to an individual U trap Direct condensate drainage with no connection to the drain system is not allowed Fig 13 Condensate drainage min 3 Connecting hose Connecting hose U trap Sewage system Drain pipe min 3 Water mixing unit connection diagram Regulating heat medium valve actuator 1 Water heater...

Страница 12: ...nal box The terminal clamp marking corresponds to the marking on the wiring diagram To connect the cables route those through the airtight electric lead in in the unit casing and connect the cables to the terminal block in the control unit Cut power supply to the unit off by turning the automatic electric switch QF to OFF position prior to any operations Take steps to prevent activation of the aut...

Страница 13: ...TE1 Outdoor temperature sensor M1 Supply fan TE2 Air temperature sensor downstream of the heat exchanger M2 Extract fan TE3 Return water temperature sensor P1 Control panel TE4 Water heater freezing protection sensor Q1 Water heater TE5 Duct temperature sensor FS1 Duct humidity sensor TE6 Indoor temperature sensor integrated into the control panel FS2 Room humidity sensor DD1 Pump dry run protecti...

Страница 14: ...5 mm2 Outside TE1 TE2 D1 F1 F2 RK1 D2 M2 M1 TE4 TE3 М4 TE5 Q1 Indoor FS1 P1 FS2 TE6 SM3 SM4 SM2 SM1 DD1 Power supply 12 V AC 230 V AC 24 V AC Digital input DI Digital output DO Analogue input AI Analogue output AO RS485 400 V AC Symbol Name Symbol Name D1 Supply air damper SM2 Exhaust air damper actuator D2 Exhaust air damper SM3 Bypass air damper actuator F1 Supply air filter SM4 3 way regulating...

Страница 15: ...OUTDOOR TEMPERATURE SENSOR MOUNTING AND CONNECTION Fig 18 Outdoor temperature sensor mounting and connection Fig 19 Duct humidity sensor mounting The FS1 duct humidity sensor is a specially ordered accessory Connect the contact socket of the humidity sensor to the contact socket located inside of the heat recovery unit ref Fig 19 After that fix the sensor using the clamp and the holder in the air ...

Страница 16: ...e control panel must be installed in a temperature balanced place at least 1 m away from the heating equipment doors and windows Fix the control panel to the wall using the screws and connect it to the air handlingunitusingasuppliedfour wireconnectingcable Therecommended cross section of the connecting cable is shown in Table 5 The recommended minimum control panel voltage is 11 V The control pane...

Страница 17: ... result to incorrect scheduled operation of the unit In this case the battery should be replaced To replace the battery use a new battery only 1 Disconnect the ventilation unit from the power supply 2 Remove two screws in the bottom part of the casing 3 Open the top of the casing to allow access to the upper circuit board Replace the battery 4 Assemble the control panel in the reverse order If the...

Страница 18: ...ON OFF turning air handling unit ON turning air handling unit OFF or Standby mode activation TIMER turning the timer on off AIR FLOW current fan speed display The Fan Speed Setting menu is accessible through this button see clause 3 The network connection status indicator is displayed the unit is connected to network the unit is disconnected from network 2 Unit Activation and Deactivation The unit...

Страница 19: ...If the AUTO or TIMER mode is activated the current air flow value is displayed in real time operation no matter of the set air flow value Set the desired speed using the or buttons Then press ENTER To return to the Main menu without saving changes press EXIT 4 Temperature Setting Temperature setting Press the TEMPERATURE button Select the set temperature type DUCT temperature in the air duct ROOM ...

Страница 20: ...cement periodicity EXIT return to the Main menu 6 Engineering Menu To enter the Engineering menu press ENG MENU in the User menu To access the Engineering menu enter the password The default setting is 1111 Press OK To change the password use the RESET button Press RESET to clear the password field To return to the User menu press EXIT If you forgot the user defined password see clause 11 Password...

Страница 21: ...d with a rectangle Use or buttons to set the air flow value for each fan speed stage The air flow is set as a percentage of the maximum performance of each fan To return to the Engineering menu without saving changes press EXIT 8 Temperature Sensor To select the heating control sensor from the Engineering menu select the TEMPERATURE SENSOR submenu and press ENTER Select a desired temperature senso...

Страница 22: ...ration mode set 1 in the BYPASS OPERATION MODE to select the regular operation mode which prevents heat exchanger freezing or 2 to enable bypass opening in the ventilation mode To save the changes and return to the Engineering menu press EXIT If the SUPPLY FAN OFF MODE parameter is set to ON the control panel switches to the SUPPLY FAN OFF MODE setting Select an item by touching the respective fie...

Страница 23: ...TER to confirm To return to the Engineering menu without saving changes press EXIT 14 Humidity Setting Select the HUMIDITY SETTING item in the Engineering menu and press ENTER Select the humidity sensor type used to control the humidity DUCT the duct humidity sensor is optional and is not included into the basic delivery set ROOM humidity sensor Then use or buttons to set the desired humidity leve...

Страница 24: ...eering menu without saving changes press EXIT The default settings are given in Table 8 18 Current Temperature Review To review the current temperatures select the CURRENT TEMPERATURES submenu from the Engineering menu and press ENTER The display shows all the current temperature information If any temperature sensor of the ventilation unit is missing its configuration value is displayed as OFF To...

Страница 25: ...f between the operating periods To return to the Engineering menu and save changes automatically press EXIT 20 Timer To activate the timer press TIMER in the control panel Main menu To set up the timer enter the User menu and press TIMER ADJUST Activation of the TIMER function is confirmed with a tick If the AUTO and TIMER functions are activated synchronously TIMER function will operate as it sup...

Страница 26: ...ed from the filter installation Press RESET after replacement of the filter To save the changes and return to the Engineering menu press EXIT 22 Errors The control panel displays the following message in case of any malfunctions in the ventilation unit operation To enter the ERROR LIST press EXIT The ERROR LIST can also be accessed from the Engineering menu The error code details are stated in Tab...

Страница 27: ...ssure sensor malfunction Parameter Default value Air Flow speed 1 Temperature Duct 25 C Room 20 C Air Flow Setting Air supply Speed 1 40 Speed 2 70 Speed 3 99 Air extract Speed 1 40 Speed 2 70 Speed 3 99 Temperature sensor Duct Extra options Heating control Off Supply Fan Off mode Off Humidity sensor selection 2 BYPASS Operation mode 1 Supply Fan Off mode Working Hours 20 minutes Downtime 5 minute...

Страница 28: ...changer must be regularly cleaned to maintain high heat recovery efficiency even in case of the regular filter cleaning Clean the heat exchanger 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 Heat exchanger removal for KOMFORT EC DW600 2 EC DW1000 4 1 Remove the 5 screws and take the sid...

Страница 29: ...mmed the impeller blades are soiled 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 fault diagnostics Low air flow Too low set speed Set the higher speed The filters and the fans are soiled the heat exchanger is soiled Clean or replace the filters fans and the heat exchanger The air dampers the s...

Страница 30: ... 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 Approval mark Manufacturing date ____________________ Company Name Date Signature The air handling unit with heat recovery KOMFORT EC DW600 2 KOMFORT EC DW1000 4 KOMFORT EC DW2000 2 KOMFORT EC DW...

Страница 31: ...www blaubergventilatoren de 31 KOMFORT EC DW KOMFORT EC DW v1 6 _EN indd 31 10 08 2015 10 11 18 ...

Страница 32: ...www blaubergventilatoren de KOMFORT EC DW v 1 6 EN KOMFORT EC DW v1 6 _EN indd 32 10 08 2015 10 11 18 ...

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