Panasonic Aquarea WH-ADC0309J3E5 Planning And Installation Manual

Also see for Aquarea WH-ADC0309J3E5C: Quick guide Operating instructions

5Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022Contents4.8 Accessories .............................................................................................................................. 724.8.1 Domestic hot water tanks................................................................................................. 724.8.1.1 Stainless steel domestic hot water tanks ........................................................................................... 734.8.1.2 Enamelled domestic hot water tanks ................................................................................................. 754.8.2 Buffer Tanks ..................................................................................................................... 814.8.3 Combo Tanks ................................................................................................................... 844.8.4 Residential ventilation unit with heat recovery ................................................................. 874.8.5 Recommended on-site accessories ................................................................................. 905 Planning .................................................................................................................... 915.1 Refrigeration technology and performance criteria ............................................................. 925.1.1 Determination of design outside temperature and design heat load ............................... 925.1.2 Determination of the domestic hot water demand ........................................................... 935.1.3 Determination of the heating surface temperature .......................................................... 945.1.4 Operating mode and determination of the bivalence point .............................................. 945.1.5 Determination of the pipe length correction factor for bi-bloc systems ............................ 955.1.6 Example: Calculation of the total heating capacity required ............................................ 955.1.7 Cooling ............................................................................................................................. 965.1.7.1 Cooling with underfloor heating ......................................................................................................... 975.1.7.2 Cooling with fan coils ......................................................................................................................... 975.2 Installation criteria ................................................................................................................... 975.2.1 Acoustics.......................................................................................................................... 975.2.1.1 Sound pressure level ......................................................................................................................... 975.2.1.2 Sound power level for approximate calculation of the sound pressure level ..................................... 985.2.2 Installation of a bi-bloc system ......................................................................................... 1005.2.2.1 Installation conditions for outdoor units ............................................................................................. 1015.2.2.2 Minimum distances for outdoor units ................................................................................................. 1015.2.2.3 Securing the outdoor unit .................................................................................................................. 1025.2.2.4 Requirements of the room for installation of the indoor unit .............................................................. 1035.2.2.5 Installation conditions for indoor units (hydrokit or All in One unit) .................................................... 1075.2.2.6 Minimum distances for indoor units (hydrokit or All in One unit) ........................................................ 1075.2.3 Installation of a mono-bloc system................................................................................... 1095.2.3.1 installation conditions for mono-bloc units ......................................................................................... 1105.2.3.2 Minimum distances for mono-bloc units ............................................................................................ 1105.2.3.3 Securing the mono-bloc unit .............................................................................................................. 1115.3 Hydraulics ................................................................................................................................. 1125.3.1 Hydraulic integration ........................................................................................................ 1125.3.2 Pump discharge head ...................................................................................................... 1125.3.3 Hydraulic balancing.......................................................................................................... 1135.3.4 Special points related to cooling ...................................................................................... 1135.3.5 Expansion vessel ............................................................................................................. 1135.3.6 Heating water quality ....................................................................................................... 1155.3.7 Use of buffer tanks ........................................................................................................... 1155.4 Electricals ................................................................................................................................. 1165.4.1 Electrical connection to a power source .......................................................................... 1165.4.2 Electricity meters and rates.............................................................................................. 1285.5 Heating and cooling capacity depending on supply water temperature andoutside temperature................................................................................................................. 128