Plan Your Work - Vaillant aroTHERM plus Quick Manual

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Performance data
When designing a heating system that utilises a heat pump, there are a number of design factors that need to be considered.
Heat loss
MCS recommend using the MIS 3005 installation standard for designing a heat pump system. Systems should be specified
at peak winter requirements, depending on location, to ensure year round comfort as detailed in the table below.
MIS 3005 design temperatures
Belfast
Birmingham
Cardiff
Edinburgh
Glasgow
London
Manchester
Plymouth
A room-by-room heating requirement check will then need to be carried out at the set outside temperature in order to
understand the heating needs of the total property.
35°C flow
aroTHERM output
Output
-5°C 4.2
-3°C 4.6
3.5kW
0°C 4. 7
2°C 4.9
-5°C 6.3
-3°C 6.8
5kW
0°C 6.9
2°C 7.1
-5°C 8.2
-3°C 8.8
7kW
0°C 9.5
2°C 10
-5°C 9.9
-3°C 10. 7
10kW
0°C 11.9
2°C 12.8
-5°C 13.1
-3°C 13.9
12kW
0°C 15.2
2°C 16
4 4
40°C flow
SCOP Output SCOP
4.1
4.4
4.41 4.03
4. 7
4.9
6
6.4
4.48 4.13
6. 7
7
8.1
8.6
4.36 4.13
9.3
9.8
9. 7
10.3
5.03 4.58
11.6
12.5
12.8
13.4
4.88 4.55
14.6
15.5
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Hourly dry-bulb temperature (/
equal to or exceeded for % of
the hours in a year
45°C flow 50°C flow
Output SCOP Output
4 3.9
4.3 4.2
3.65
4.6 4.5
4.9 4. 7
5.6 5.5
6.1 5.9
3. 7 7
6.6 6.4
6.9 6. 7
8 7.5
8.4 7.9
3.91
9.1 8.6
9.6 9
9.4 9.1
10 9.6
4.13
11.3 10. 7
12.1 11.5
12.5 11. 7
12.9 12.1
4.21
14.1 13.2
14.9 13.9
Installer's Quick Guide - aroTHERM plus 11/2020
C)
o
99%
-1.2
-3.4
-1.6
-3.4
-3.9
-1.8
-2.2
-0.2
55°C flow
SCOP Output SCOP
3.8
4
3.37 3.10
4.4
4.6
5.4
5.8
3.41 3.06
6.2
6.5
7
7.4
3.65 3.39
8.1
8.5
8.8
9.2
3.85 3.58
10.2
10.9
10.8
11.2
3.92 3.63
12.3
13