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Manual de usuario Dimplex, modelo LA 10MR

Fabricar: Dimplex
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CAUTION! CAUTION! damage the surface. CAUTION! CAUTION! CAUTION! Do not open the unit unless all electrical circuits have been disconnected from the During transport, the heat pump must not be tilted more than 45° (in either direction). Heat pump and transport pallet are only connected by the packaging film. The air intake and discharge openings must neither be constricted nor Clockwise phase sequence (in the case of multiphase units) must be observed: Damage to the compressor may be incurred if it is operated in the wrong sense of rotation. Do not use any cleaning agents containing sand, soda, acid or chloride as these may To prevent consequential damage it is imperative that the water circuits be neutralized after cleaning using appropriate agents. The unit is not suitable for operation with a frequency converter. Work on the refrigeration circuit may be performed by qualified persons only. 1.2 Legal Provisions and Guidelines This heat pump was designed and built in compliance with all relevant EU directives, DIN and VDE regulations (see CE Declaration of Conformity). The electrical connection of the heat pump must be performed according to and conforming with all relevant VDE, EN and IEC standards. Beyond that, all technical connection requirements of the local electrical utility company have to be adhered to. On connecting the heating system, all relevant regulations have to be heeded. 1.3 Energy-Efficient Use of the Heat Pump By purchasing this heat pump you contribute to the protection of the environment. A prerequisite for energy-efficient operation is the proper design of the heat source system and the heat utilization system. One of the most important factors of heat pump efficiency is keeping the temperature difference between the heating water and the heat source as small as possible. It is therefore strongly recommended that the design of both the heat source system and the heat distribution system be carried out with great care. A 1 Kelvin (1°C) higher temperature difference corresponds to an increase in power consumption of approx. 2.5%. When designing the heating system care must be taken that special applications such as domestic water heating are taken into consideration and dimensioned for low temperature operation. Heat pumps are optimally suited for underfloor heating (surface/radiant heating) applications due to the low supply temperatures (30 °C to 40 °C). During operation it is essential that the heat exchangers are not contaminated as this would increase the temperature difference resulting in a lower coefficient of performance. 3 PURPOSE OF HEAT PUMP SCOPE OF DELIVERY PURPOSE OF HEAT SCOPE OF DELIVERY 23 PUMP 2.1 Field of Application The air-to-water heat pump is intended for use in existing or newly built heating systems. The heat pump is designed for the cooling or heating of water for heating purposes and the supply of domestic hot water! The heat pump is suitable for mono-energetic and bivalent operation. During heating mode, a heating water return temperature of more than 18 °C must be maintained in order to assure proper defrosting of the evaporator. The heat pump is generally not designed for satisfying any increased heat demand during the drying phase of new buildings. The additional heat demand must therefore be met by special appliances to be supplied on site. For the structural drying of new buildings during autumn and winter, its is recommended that an additional electric heating element (available as an accessory) be installed. CAUTION! The unit is not suited for operation with a frequency converter. 2.2 Principle of Operation Ambient air is drawn in by the fan and passed over a finned heat exchanger, which extracts heat from the air in the heating mode or gives off heat to the air in the cooling mode. This energy difference is transferred to the working fluid (refrigerant) in the heat exchanger. With the aid of an electrically driven compressor, the absorbed heat is "pumped" to a higher temperature level through pressure increase and - depending on the particular application (cooling or heating) - is given off to the heating water or the waste air via the heat exchanger. During heating mode, electrical energy is used to raise the heat of the environment to a higher temperature level. Due to the fact that the energy extracted from the air is transferred to the heating water, this type of appliance is referred to as air-towater heat pump. The air-to-water heat pump consists of the following main components: evaporator, fan and expansion valve as well as the low-noise compressor, a condenser and the electric control unit. In the case of low ambient temperatures in the heating mode, moisture contained in the air may accumulate on the evaporator in the form of frost thus impairing the heat transfer. The evaporator is automatically defrosted by the heat pump, if required. Vapour pluming may occur at the air outlet depending on the weather conditions. 3.1 Baseline Unit The he...