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Resumen del manual
rust) in the condenser of the heat pump. Residue from lubricants and sealants may also contaminate the heating water. In the case of severe contamination leading to a reduction in the performance of the liquifier in the heat pump, the system must be cleaned by a heating technician. According to today's state of knowledge, we recommend using a 5 % phosphoric acid solution for cleaning purposes. However, if cleaning needs to be performed more frequently, a 5 % formic acid solution should be used. In either case, the cleaning fluid should be at room temperature. We recommend flushing the heat exchanger in the direction opposite to the normal flow direction. To prevent acidic cleaning agents from entering the heating system circuit, we recommend connecting the flushing device directly to the flow and return flow of the liquifier of the heat pump. It is important that the system be thoroughly flushed using appropriate neutralising agents to prevent any damage from being caused by cleaning agent residue remaining in the system. Acids must be used with great care and all relevant regulations of the employers' liability insurance associations must be adhered to. If in doubt, contact the manufacturer of the chemicals! 8.3 Cleaning the Air System Air ducts, evaporator, ventilator and condensate outflow should be cleaned of contamination (leaves, twigs, etc.) before the heating period. Do this by opening the front of the heat pump. The bottom should be opened first followed by the top. ATTENTION! Before opening the device, ensure that all circuits are isolated from the power supply. Remove and rehang the side panel assemblies as described in Chapter 4. To prevent the evaporator and the condensate tray from being damaged, do not use hard or sharp objects for cleaning. 9 Faults / Trouble- Shooting This heat pump is a quality product and is designed for trouble- free and maintenance-free operation. In the event that a fault should occur, it will be shown on the heat pump manager display. Simply consult the Faults and Trouble-shooting page in the operating instructions of the heat pump manager. If you cannot correct the fault yourself, please contact your after-sales service technician. ATTENTION! Any work on the heat pump may only be performed by authorised and qualified after-sales service technicians. 10 Decommissioning/ Disposal Before removing the heat pump, disconnect it from the power source and close all valves. Observe all environmentally-relevant requirements regarding the recovery, recycling and disposal of materials and components in accordance with all applicable standards. Particular attention should be paid to the proper disposal of refrigerants and refrigeration oils. E-8 11 11 Device Information Device information for air-to-water heat pumps (heating only) LI 20TEL - LI 24TEL 1 Type and order code 2 Design 2.1 Degree of protection according to EN 60 529 for compact devices and heating components2.2 Installation location 3 Performance data 3.1 Operating temperature limits: Heating water flow/return flow 1 °C / °C Air °C 3.2 Temperature spread of heating water (flow/return flow) at A7 / W35K 3.3 Heat output / COP at A-7 / W35 2 kW / --3 4 at A-7 / W45 2 kW / --3 4 at A2 / W35 2 kW / --3 4 at A7 / W35 2 kW / --3 4 at A7 / W45 2 kW / --3 4 at A10 / W35 2 kW / --3 4 3.4 Sound power level device / outdoors dB(A) 3.5 Sound pressure level at a distance of 1 m (indoors) dB(A) 3.6 Heating water flow with an internal pressure differential of m./h / Pa 3.7 Air flow rate with an external static pressure differential of m./h / Pa m./h / Pa 3.8 Refrigerant; total filling weight type / kg 4 Dimensions, connections and weight 4.1 Device dimensions H x W x L cm 4.2 Device connections to heating system Inch 4.3 Air duct inlet and outlet (min. internal dimensions) L x W cm 4.4 Weight of the transportable unit(s) incl. packing kg 5 Electrical Connection 5.1 Nominal voltage; fuse protection V / A 5.2 Nominal power consumption 2 A2 W35 kW 5.3 Starting current with soft starter A 5.4 Nominal current A2 W35 / cos. A / --6 Complies with the European safety regulations 7 Additional model features 7.1 Defrosting Type of defrosting Defrosting tray included 7.2 Heating water in device protected against icing 6 7.3 Performance levels 7.4 Controller internal/external LI 20TEL IP 21Indoors Up to 58 / above 18 -25 to +35 9.8 5.0 7.1 / 2.8 6.7 / 2.6 12.7 / 2.8 11.7 / 2.6 6.2 / 2.3 11.1 / 2.2 9.3 / 3.2 8.6 / 3.1 14.9 / 3.1 14.6 / 3.0 10.7 / 3.7 10.4 / 3.5 17.1 / 3.5 17.0 / 3.4 10.1 / 3.0 16.6 / 2.9 12.8 / 4.0 12.6 / 3.8 20.0 / 3.8 19.5 / 3.7 58 / 64 54 1.8 / 3700 3.3 / 12300 6600 / 0 5500 / 25 R404A / 3.7 157 x 75 x 88 G 1 1/4'' external 65 x 65 255 400 / 20 T 4.80 4.89 23 8.7 / 0.8 8.8 / 0.8 5 Automatic Reverse cycle Yes (heated) Yes 2 Internal LI 24TEL IP 21 Indoors Up to 58 / above 18 -25 to +35 9.7 5.0 8.9 / 2.6 8.8 / 2.5 16.1 / 2.7 15.5 / 2.4 8.4 / 2.2 14.4 / 2.1 10.9 / 3.0 10.5 / 3.0 19.2 / 3.2 18.7 / 3.1 13.1 / 3.4 12.6 / 3.3 24.8 / ...
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