KOMFORT LE www.blaubergventilatoren.de CONTENTS Introduction General Safety rules Transportation and storage rules Manufacturer's warranty Design Operating logic Delivery set Technical data Mounting Condensate drainage Control panel mounting Connection to power mains Unit control Troubleshooting and fault handling Technical maintenance Acceptance certificate Connection certificate Warranty card KOMFORT_LE_v2(2)_EN.indd 2...
KOMFORT LE www.blaubergventilatoren.de BLAUBERG Ventilatoren GmbH is happy to offer your attention the air difference per living units is 4 Pa. handling unit with heat recovery KOMFORT LE. The transported air must not contain any dust or other solid impurities, sticky substances or fibrous materials.
KOMFORT LE www.blaubergventilatoren.de DESIGN The casing made of double-skinned aluzinc panels, internally filled with Cold intake air passes by the heat exchanger and is warmed up to set mineral wool layer 25 mm for heat- and sound-insulation. temperature in the heat exchanger. Synchronously warm extract air that Casing has fixing brackets with vibration absorbing connectors passes by the heat exchanger is used for its defrosting.
KOMFORT LE www.blaubergventilatoren.de MOUNTING WARNING Safety precautions The unit must be mounted to a rigid and stable structure. The unit must be suspended using anchor bolts. Before starting mounting check that the mounting structure has sufficient loading capacity for the unit weight. The unit mounting is allowed only after power cut-off and full stop of the rotating parts.
KOMFORT LE www.blaubergventilatoren.de CONDENSATE DRAIN The drain pan is equipped with a drain pipe for condensate removal U-trap always filled with water. Provide free drainage for the condensed outside the unit. water, otherwise it is accumulated inside the unit which may result in the Connect the drain pipe, the U-trap (not included into the delivery set) and equipment damage and condensate outflow to the room.
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KOMFORT LE www.blaubergventilatoren.de 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 automatic switch before finishing all the operations. The KOMFORT LE350-3 ... LE600-4 unit is rated for connection to single- LE350-3 ...
KOMFORT LE www.blaubergventilatoren.de CONTROL PANEL MOUNTING The control panel incorporates a room temperature sensor that must be located at least 1 m away from the heating appliances, doors and windows. Fix the control panel on the wall with supplied screws. Connect the control panel to the unit via the supplied four-wire data cable, max.
KOMFORT LE www.blaubergventilatoren.de The temperature sensors are supplied pre-wired. The connections to the controller circuit board are shown in fig. 11. WALL-MOUNTED CONTROL PANEL CONTROLLER CIRCUIT BOARD Terminal block on the control panel Data cable yellow green brown white Socket connectors on the controller circuit Socket connector for Socket connector for...
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KOMFORT LE www.blaubergventilatoren.de Table 6. Unit parameter control and adjustment Function Button / Button combination Indication After the unit is connected to power supply the display shows BLAUBERG logo and the LED light indicators do not glow. Unit activation. Unit status press press select...
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KOMFORT LE www.blaubergventilatoren.de Table 6. Unit parameter control and adjustment Function Button/Button combination Indication Operation mode programming The unit has two temperature control modes: room - indoor temperature control on feedback from the temperature sensor integrated into the control panel. ...
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KOMFORT LE www.blaubergventilatoren.de Table 6. Unit parameter control and adjustment Function Button/Button combination Indication 5.2 Service menu Enables activation and adjustment of the service functions: 5.2.1 Setting clock and calendar These functions enable setting current date and time for correct operation of the day and week-scheduled operation. The clock has a non-volatile storage (battery) that saves the time settings even in case of no power supply.
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KOMFORT LE www.blaubergventilatoren.de Table 6. Unit parameter control and adjustment Function Button/Button combination Indication select the required item press Temperature setting Speed stage Entering the menu item “Service menu”: Service menu select the required item press Filter replacement timer Day timer Enter the menu item “Day timer”: Week timer select the required item...
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KOMFORT LE www.blaubergventilatoren.de Table 6. Unit parameter control and adjustment Function Button/Button combination Indication Week timer factory settings are as follows: Period 1 Period 2 Week day Status Turning ON Turning OFF Temperature Turning ON Turning OFF Temperature Speed stage Speed stage time time...
KOMFORT LE www.blaubergventilatoren.de TROUBLESHOOTING AND FAULT HANDLING In case of tripping of any of the two overheat protection thermal switches, filter clogging indicated by tripping of the differential pressure switch, in case of the communication circuit damage the unit changes into the emergency shutdown mode with Heater blowing mode activation and turns off in 2 minutes. The red LED light indicator turn on and the control panel displays the alarm message and its troubleshooting, see table 7.
KOMFORT LE www.blaubergventilatoren.de TECHNICAL MAINTENANCE 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. Warning! Consider the unit sharp edges! Fulfil maintenance Regular technical supervision and maintenance of the unit are required to operations in work gloves! ensure the product long service life and non-stop operation.
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