Assessments - 4, GPA: 4.5
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Facilidade de uso
About the product When construction and building the heat pump all relevant EU guidelines have been followed. (Also see EU-declaration of conformity.) Any work carried out on this unit may only be done by skilled personnel. Take all necessary precautions to avoid accidents. 1.1 Scope of delivery • Heat pump with built-in controls • Installation manual with technical data • Operating instructions 1.2 Product description The AHD 290 is a domestic water heat pump with a condenser on the outside of the tank. The application area and operating principles of the heat pump are specified in the operating instructions. 1.3 Technical data Performance data Performance specified for heating of domestic water from 15°C to 45°C Thermal output (with air 15°C / water 15°C – 45°C) kW 1,52 Power input (with air 15°C / water 15°C – 45°C) kW 0,43 COP (with air 15°C / water 15°C – 45°C) 3,54 Power consumption electrical cartridge / heating element kW 1,5 Operating range / limits Max. air temperature °C 35 Max. water temperature °C 55 Max. water temperature (with operation of heat pump and electric cartridge) °C 65 Sound level 1 meter in front of unit dB(A) 52 Domestic water container Material Steel specially enamelled Net volume l 285 Airflow volume Airflow volume m./h 250 1.4 Refrigerant circuit – description The cooling system is used for processing the heat in the inlet air. This is the manner by which the extracted heat is transferred to the water. This process is only possible with the external addition of energy, which takes place in the compressor. In the vaporizer, heat is absorbed from the air and refrigerant in gaseous form and fed to the compressor. In the compressor, the refrigerant is raised up to a higher pressure and energy level, so it can deliver the heat to the water through the condenser pipe, which is coiled around the tank. The condensed coolant fluid is throttled down to a lower pressure using the expansion valve so it becomes possible to repeat the cooling cycle in the vaporizer. 1.4.1 Cooling system - description The skilled technician must make sure that all refrigerant carrying parts are emptied to a level where work may be carried out without any risk to people or materials, before repairs and services are carried out. When repairing and servicing the heat pump in which the refrigerant system has to be opened, always take extra care. If the use of an open flame is needed, (Welding, soldering etc.) special care must be taken in order to prevent fire. 1.4.2 Electrical circuit - description When work is carried out on the heat pump, the main supply must be disconnected. (Pull the plug.) When the unit is connected to the supply all local and national regulations must be followed, along with the demands from the power supplier. 1.4.3 Water circuit - description Only water in drinking quality may be used. During installation the choice of material must be taken into account, and made sure those are compatible in the entire circuit. Safety equipment must be installed to prevent over pressure in the system. All pipe work must comply with water safety regulations. 1.4.4 Refriferant circuits T5, T6, T7, T8 - Sensors Component overview N. : Description 1 Compressor 2 Condenser 3 Vaporiser 4 Centrifugal fan 5 Expansion valve 6 Drying filter 7 Pressure switch 8 Magnetic valve 9 One-way valve Description AHD 290 A Total height 1815 B Height of top of appliance 1790 D Appliance diameter 660 G1 Air inlet diameter 160 G2 Air outlet diameter 160 H Height air in-/outlet 1815 Hx1 x-position air inlet 190 Hx2 x-position air outlet 480 Hy1 y-position air inlet 200 Hy2 y-position air outlet 470 J Height air inlet 60 M Height of cold water supply 110 N Height of hot water outlet 1410 P Height of cleaning opening 45 V Height of recirculation connection 820 W Height condensation drain 1345 Z Height of electric element connection 925 1 Cold water supply connection (male) R 1” 2 Hot water outlet (male) R 1” 6 Cleaning/inspection opening O 110 7 Condensation drainage connection (female) O 12 11 Electric element connection (female) G 1 1/2” 14 Recirculation connection (female) R 1” Dimensions (all measurements are in mm, except when indicated other wise) 1.5 Water circuit – description The water circuit will be constructed with respect to the applicable norms and requirements. Please see the specifications in sections 3.1 and 3.2. 1.5.1 Requirements for the water circuit Depending upon the materials used in the water circuit of the dwelling, incorrect material combinations can lead to corrosion damage due to galvanic corrosion. This requires special attention with the use of galvanized components and components that contain copper. 1.5.2 Dimensions 1.5.3 Water circuit – hydraulics diagram UNVENTED 1414 14 18 Legends 14. Only applicable numbers are mentioned. 15. 1. pressure-reducing valve 16. (mandatory if the mains water 17. pressure exceeds 8 bar) 4. stop valve (recommended in pipe 18. C and mandatory in pipe A) 19. 5. non-retur...
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