Haier HU062WAMNA Operation & Installation Manual

Also see for HU062WAMNA: Service manual

12D. Water Piping Installation• Make sure the water piping is connected complying the European regulations.• Cover the pipe end to prevent dust entering the water piping when inserting it through a hole in the wall.• Flush tap water through the water piping before connecting to indoor unit to ensure there is no impurities in the watersystem.• Use two spanners to connect the water piping with the unit.• The water piping should be covered insulation materials to reduce heat loss.• Check the water leakage condition along the piping especially in connecting joint during trial running.Installation InstructionsNote:• Do not charge water to the system before completing the installation and insulating the piping in winter.• Drain the water out of the system if the unit does not operate for a long time.• Choose proper buffer tank and auxiliary electrical water heater to connect to the system.• Do not over tighten, over tightening may cause water leakage.Simple 2 zone (Floor heating + Radiator)OutdoorIndoorThermistor 1Mixing valveFloor Heating 1Thermistor 2RadiatorPump