Installation and operation manual Table of Contents Table of Contents ................................2 Unpacking, check after transport or warehousing ......................3 2.1. Unpacking and check .............................. 3 2.2. Storing of the unit, additional transport recommendations ................... 3 2.3. Safety measures ..............................4 Basic information about the unit and its use ........................
Li-Light comfort curtains Unpacking, check after transport or warehousing 2.1. Unpacking and check Carefully check the delivery note attached to the delivery. For components identified as extra accessories in the delivery note (not included in the unit or installed therein), please check completeness to the parcel and perfect condition (usually delivered in a separate box).
Installation and operation manual 2.3. Safety measures The unit has been manufactured in line with the government decrees and Czech standards harmonized with the EU regulations mentioned in the manufacturer’s declaration of conformity. The above mentioned product complies with the following standards: ČSN EN 60335-1 ed.3 ČSN EN 60335-2-30 ed.
Installation and operation manual Unit installation Installation under ceiling Wall-mounted 5.1. Additionally arrested ZSA suspensions under ceiling The door unit is suspended in four (or five for the unit of the length of 2,500mm) suspension points on the unit casing. The suspension points are accessible from outside and rivet nuts M10 anchor (M10 threads) are installed on the unit from production plant.
Li-Light comfort curtains 5.2. ZNA wall-mounting suspension The door unit is suspended in four (or five for the unit of the length of 2,500mm) suspension points on the unit casing. The suspension points are accessible from outside and rivet nuts (M10 threads) are installed on the unit from production plant.
Installation and operation manual Connection of the unit to heating system Please check all hot water connections for readiness and perfect condition before connecting media to the unit. Furthermore, please check the hot distribution for components or other measures to ensure zero transmission of static, dynamic, and dilatation forces at the input and output neck connections.
Li-Light comfort curtains 6.1. Heat exchanger control using a valve with thermostatic heat The thermostatic head for 2-way (TV) and 3-way (TVT) valves is always supplied with the sensor separated (temperature range 25–65 °C) – exhaust air temperature control. Setting of the required closing temperature is made on the head scale (1–5).
Installation and operation manual Types of controllers and options for controlling 7.1. ECON controller The ECON controllers are intended for control of the fan and electric heater (hot water and electric) with possible connection of external components (door contact, room or exhaust thermostat). These types of basic controls do not allow linking of the controllers (except for Econ DUAL).
Li-Light comfort curtains Electric connection of the unit The unit must be protected by a suitable circuit breaker according to its electric parameters – refer to attached electric wiring. Connect the ready-to-install cables to the terminals following the attached electric wiring schemes, make connection check, equipotential bonding, and finally turn the power supply on.
The Li-Light air units are made of quality materials that require no special maintenance. However, we recommend that maintenance in required or shorter (depending on your observations due to operation in a specific application) intervals is carried out for long lifecycle of the unit.
Li-Light comfort curtains Quarterly checks: Unit hanging and tightening of all bolt connections. Also check tightening of exhaust grid bolts – they can be accessed from the unit’s exhaust opening. Heat exchanger space check and remove dirt or foreign objects (use vacuum cleaner for dedusting, or steam for stuck dirt).
Installation and operation manual Cleaning/replacement of the filter Hot-water units are fitted with an air filter. The filter must be cleaned regularly to ensure the efficiency of the unit and its performance levels. The frequency of cleaning depends on local conditions under which the unit operates – checking of the filter and cleaning thereof is recommended at least monthly.
Li-Light comfort curtains Decommissioning – disposal After the expiration of the service life, the unit must be disassembled and disposed of. Only qualified company may disassemble the device. The product or components thereof must be disposed in environmentally-friendly manner at the end of its service life.
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