104
Aquarea air / water heat pump – design handbook 07 / 2014
Examples
Legend
On the following pages there are typical user examples of Aquarea heat
pump systems with different applications and properties illustrated. An
overview of the examples are shown in following table.
6 Examples
6.1 Legend
Example Several heat-
ing circuits
Hydraulic
decoupling
Hot water tank Storage Cooling
Solar
Thermal Cascade
Page
1
x
–
x
–
–
–
–
101
2
x
–
x
–
x
–
–
102
3
x
–
x
–
x
–
–
103
4*
–
x
x
x
–
–
–
104
5*
–
x
x
x
–
x
–
105
6*
x
x
x
–
x
–
–
106
7
–
–
x
–
x
–
–
107
8
–
–
x
–
x
–
–
108
9*
x
x
FWS
1
x
–
–
–
109
10*
x
x
–
x
–
–
x
110
Overview of examples on the following pages with illustration of properties and applications. 3 and 8 show the respective
previous schemes (2 and 7) in the cooling mode.
1
FWS = Fresh water station * Suitable for units with high-efficiency pumps
with differential pressure control
Note
The schematic diagrams show the essential components. They serve
as help for the planning of actual systems and do not include all the
components and safety devices that are needed according to EN 12828.
Relevant standards and guidelines must be observed!
If you will be applying for Renewable Heat Incentive (RHI) financial
support, your installation may require metering equipment fitted or be
designed to be “meter-ready”. For information and diagrams of where
this must be fitted, please see: www.microgenerationcertification.org
M
2-way directional valve
M
3-way directional valve /
3-way mixer
Drain funnel
Shutoff valve
Expansion vessel
Pressure-reducing valve
min.
50
l
Buffer tank
for minimum volume
Hydraulic switch
Valve cap
Manometer
Pump
Control valve
Pipe deaeration
Non-return valve
Filter
Pressure relief valve
Temperature sensor
Thermostatic valve / valve
for individual room control
Bypass valve
Hot water thermostatic
mixer
Hot water appliances
Return flow
Supply
Control cable
