User manual PANASONIC WHUD28AE

[. . . ] Do not share the same power outlet with other equipment to prevent overheating and fire. If the supply cord is damage, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. It is strongly recommended to check the operation of the RCCB after installation and periodically after servicing or maintenance by authorized dealer to ensure it is in good working order. Otherwise, it may cause electrical shock or fire in case of malfunction. [. . . ] It is recommended to wear gloves during servicing or maintenance in order to avoid hazard. In case of emergency or abnormal conditions (burnt smell, etc), turn off the power supply, and please consult authorized dealer. Prevent electric shock by switching off the power supply when: - Before cleaning or servicing. All power supply circuits must be turn off before access to any of the terminals in the indoor unit, to avoid electrical shock, burn or fatal injury. INDOOR UNIT AND OUTDOOR UNIT Do not wash the indoor unit with water, benzene, thinner or scouring powder. Do not install the unit close to any combustible equipment or at bathroom. Do not touch the water discharge pipe at the indoor unit during operation. Check the installation rack periodically to make sure that it is not damaged. After long periods of use, the strength of the installation rack may have deteriorated. Do not press the buttons on the control panel with hard, pointed objects. Do not wash the control panel with water, benzene, thinner or scouring powder. To ensure optimal performance of the unit, cleaning maintenance has to be carried out at regular intervals. In case the water pressure is out of the above range, please consult authorized dealer. Do not obstruct the air inlet and air outlet vents, it may cause low performance or breakdown. During winter, please clean and remove the snow near outdoor unit so that the snow does no cover the air inlet and air outlet vents. In order to ensure optimal performance of the unit, seasonal inspections on the unit and field wiring have to be carried out at regular intervals. TURN OFF POWER SUPPLY then please consult authorized dealer under the following conditions: · Operation is delayed a few minutes after restart. When the outdoor temperature is out of the operation condition range, the heatpump system enter protection control. When heating is operated by indoor unit together with floor heating or panel heater simultaneously, there may be case where warm water temperature is getting lower and cause floor heating or panel heater heat-up is weaken. is the snow pile blocking the discharge outlet or intake inlet of outdoor unit. When water outlet set temperature is low, it may be difficult to get warm. Due to the nature of the heatpump system, it may take some time to heat-up the water if the unit is operated from cold-start. [. . . ] When water outlet set temperature is low, it may be difficult to get warm. Due to the nature of the heatpump system, it may take some time to heat-up the water if the unit is operated from cold-start. Check if the unit has been installed at an incline or the cover is not closed properly. In case of a failure of the Air-to-Water Heatpump system, the backup heater can be used to heat FORCE up the heating water. [. . . ]