44
Aquarea air / water heat pump – design handbook 07 / 2014
Products, functions and technical data
Accessories
Hot water tank
The hot water tank is used for the storage of domestic hot water before
use. In addition to the tank being heated from the Aquarea heat pump,
it is also possible to utilise solar heat from a connected solar thermal
installation. Furthermore, an electric immersion heater with a capacity
of 3 kW ensures hot water supply at very low outside temperatures and
can also be used for Legionella control.
Panasonic offers a total of three different tank models in different sizes
(180 to 400 L) for easy water heating for different requirements:
For easy installation and integration of all Aquarea tank models into the
heat pump system, the following components are supplied with the
Aquarea tank:
• Three port motorised valve
• Tank temperature sensor (6 m cable)
• Cold water inlet PRV combination valve/expansion relief
• Pressure and temperature relief valve
• Control thermostat
• Energy cut-out thermostat
• Energy cut-out motorised valve (indirects only)
• Tundish
• 3 kW Immersion heater including control and cut out thermostats
• Expansion vessel/mounting bracket/flexible hose
• Technical/user product literature
Aquarea is a range of unvented hot water storage cylinders, manufac-
tured in the latest high quality duplex stainless steel. They are designed
to provide mains pressure hot water and are supplied as a package which
complies with Section G3 of the Building Regulations. The appliance is
extremely well insulated using high density HCFC free foam insulation
with an ozone depleting potential (ODP) of zero and a global warming
potential (GWP) of 1.
It is fitted with all necessary safety devices and supplied with all the
necessary control devices to make installation on site as easy as possible.
3.3 Accessories
3.3.1 Hot water tank