User manual PANASONIC PAWDHWM300ZE

[. . . ] The hot water tank with heating pump has been manufactured in accordance with the valid standards allowing the producer to use the CE mark. Basic technical characteristics of the product are listed on the label attached to the protective cover. The installation of the hot water tank with heating pump must be carried out by qualified staff only. All repairs and maintenance work in the interior of the water heater as well as limestone removal or testing or replacement of the corrosion protection anode may only be carried out by an approved maintenance service provider. [. . . ] Legend: 1 - Heat pump switch on 2 - Legionella Control switch on 3 - Control lamp - heat pump operation 4 - Control lamp - Legionella Control switch on 5 - Display 6 - Temperature setting - increase 7 - Temperature setting - reduce After connecting the heat pump to power supply, the display shows servicing markings and then the temperature value. If the water temperature in the hot water tank is lower, the heat pump is automatically switched on (the red signal lamp 3 is on). To turn the off the operation of the heat pump, press the key 1 (ca. The operation of the heat pump is switched off; the display shows the marking OFF. 230 V~ 50 Hz L N 10 Switching on the Heat Pump Press key no. 1 and keep it pressed for some 2 seconds. The display shows the current water temperature in the hot water tank, the signal lamp 3 switches on. temperature Setting Pres and release key 6 or 7. When the key is pressed, the display shows the marking °C. Now you can set the required temperature. With key 7 the temperature is reduced and with key 6 the temperature is increased. When the setting is completed, the marking on the display starts flashing. After eight flashes the new temperature is set, and the display shows the temperature of the water in the hot water tank. temperature Setting Pres and release key 6 or 7. This is why the two temperatures will vary. WARNING: If the heating pump is operating outside the temperature zone of operation, the evaporator may freeze. Then, the heating pump switches off, and the display shows the marking tLo. After switching off the heating pump will remain inoperational until the evaporator unfreezes. temperature Setting Pres and release key 6 or 7. This system includes a special function for high temperature heating (up to 65 °C) of water in the hot water tank. The system operates automatically, switching on the high temperature heating of water every 14 days. When the temperature in the water tank reaches 65 °C, the high temperature heating is switched off. [. . . ] A combination of those two sources can lead to overheating of the domestic water, resulting in excessively high pressures. 14 WARNING: Circulation line can lead to additional heat losses in the water tank. USE AND MAINTENANCE The unit is ready for use once it has been connected to water and electricity. If there is danger of freezing, discharge the water from the hot water tank. [. . . ]