Daikin EKHTS200AC Installation Manual

Contents

Daikin EKHTS200AC Installation Manual Manual pdf 5 page image

EKHTS200+260ACDomestic hot water tank for air to water heat pump system4PW64052-1 – 08.2010Installation manual3INSTALLATION OF THE EKHTS DOMESTIC HOTWATER TANKIf required by relevant local and national regulations, connect arecirculation pump in between the hot water end point and therecirculation connection of the domestic hot water tank.Installation guidelinesKeep in mind the following guidelines when installing the domestichot water tank:■ The installation location is frost-free.■ Standard installation location of the domestic hot water tank ison top of the indoor unit.■ The domestic hot water tank can be floor mounted as well. Inthat case, the dedicated EKFMAHTB connection kit forinstallation of the domestic hot water tank next to the indoor unitis required and to be ordered separately.■ Locate the domestic hot water tank in a suitable position tofacilitate ease of maintenance. Refer to figure 3 and to theinstallation manual of the indoor unit.■ Provide a connection for the pressure relief valve and drain onthe cold water inlet.■ To avoid back siphonage it is advised to install a non-returnvalve on the cold water inlet of the domestic hot water tank inaccordance with local and national regulations.■ Take care that in the event of a leak, water can not cause anydamage to the installation space and surroundings.■ It is advised to install a pressure reducing valve on the coldwater inlet in accordance with local and national regulations.■ An expansion vessel should be installed on the cold water inletin accordance with local and national regulations.Installing and commissioning the domestic hot watertankInstalling the hot water tank on top of the indoor unit1 Unpack the domestic hot water tank according to theinstructions mentioned on the unpacking instruction sheet.2 Check if all domestic hot water tank accessories are enclosed(see "Accessories" on page 1).3 Remove the decoration panels and top plate of the indoor unit.Take away the decoration panels by removing the 2 bottomscrews and then unhitching the panels.Mount the top plate of the indoor unit on the domestic hot watertank module.■ Installation shall be done by a licensed technician, thechoice of materials and installation shall comply withlocal and national regulations.■ The equipment is not intended for use in a potentiallyexplosive atmosphere.■ Domestic hot water quality must be according to EUdirective 98/83 EC.■ A drain device should be installed on the cold waterconnection on the domestic hot water tank.■ For safety reasons, it is not allowed to add any kind ofglycol to the water circuit.■ To avoid stagnation of water, it is important that thestorage capacity of the domestic hot water tank meetsthe daily consumption of domestic hot water.In cases where during longer periods of time there isno consumption of hot water, the equipment must beflushed with fresh water before usage.The disinfection function provided on the equipment isspecified in the operation manual of the indoor unit.■ It is advised to avoid long runs of piping between thedomestic hot water tank and the hot water end point(shower, bath, ...) and to avoid dead ends.■ The installation must be in compliance with local andnational regulations and may require additionalhygienic installation measures.■ In accordance with local and national regulations itmay be necessary to install thermostatic mixingvalves.■ Immediately after installation, the domestic hot watertank must be flushed with fresh water. This proceduremust be repeated at least once a day the first5 consecutive days after installation.341 21 Recirculation connection2 Hot water connection3 Shower4 Recirculation pumpIf available service space to left and/or right side islimited, carefully consider all indoor moduleinstallation steps first.2x2x2x332x1112x