Vaillant AroTHERM plus Manuale utente

Comfort for your home

aroTHERM plus

Air-to-water heat pumps •aroTHERM plus

Installer‘s Quick Guide

Important Note:

This quick guide shall support the professional installer in planning, installing and

commissioning the appliance. It shall on no account replace or modify the installation,

operating and maintenance instructions delivered with the appliance which always have to

be observed. This guide does not replace the need for training, Vaillant training should be

completed before installation.

The non-observance of the instructions delivered with the appliance can lead to

malfunctions of the appliance and can result in death or serious injuries. Some

characteristics of the appliance shown in this quick guide may vary from those of the most

current series version. Vaillant Group UK Ltd shall not be held liable for any damages or

injuries arising directly or indirectly from the use of this quick guide.

Download our aroTHERM plus

manual here

Download our technical speciﬁcation

brochure here

You can scan or click QR-Codes in this brochure

Vaillant Group UK Ltd.

Nottingham Road, Belper, Derbyshire DE56 1JT

Telephone 0330 100 3540

www.vaillant.co.uk/renewables

aftersales@vaillant.co.uk

Plan your work …

»Select the correct aroTHERM plus to ﬁt your needs: performance, dimensions,

sound emmissions

»Find the perfect space for your installation: quiet, vented, safe 7

»Select the perfect domestic hot water storage 11

»System expansion vessel sizing 12

»Decide on installation type to select required accessories (ground, wall, roof) 13

»Tick your planning checklist 16

… work your plan: Installing the aroTHERM plus system

»Choose your system schematic 17

»Start with the hydraulic connection 18

»Proceed to the power supply and eBUS connection 19

»Choose your indoor unit uniTOWER, hydraulic module or heat pump interface 21

»Connect the system accessories heat exchanger module 26

»Connect the buffer tank 28

»Tick your installation checklist 30

... and start your system

»Follow the instructions of the installation assistant 31

»Just in case: Find remedies to error, status and maintenance codes 31

»Technical data 32

»Accessories 34

»Notes 37

Check the product installation manuals for further information.

Get started quickly!

Your step-by-step guide to installing the aroTHERM plus

We are here to help you!

Don‘t hesitate to contact us for further support:

4Installer's Quick Guide - aroTHERM plus 11/2020

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aroTHERM output 35°C ﬂow 40°C ﬂow 45°C ﬂow 50°C ﬂow 55°C ﬂow

Output SCOP Output SCOP Output SCOP Output SCOP Output SCOP

3.5kW

-5°C 4.2

4.41

4.1

4.03

3.65

3.9

3.37

3.8

3.10

-3° C 4.6 4.4 4.3 4.2 4

0°C 4.7 4.7 4.6 4.5 4.4

2°C 4.9 4.9 4.9 4.7 4.6

5kW

-5°C 6.3

4.48

4.13

5.6

3.77

5.5

3.41

5.4

3.06

-3° C 6.8 6.4 6.1 5.9 5.8

0°C 6.9 6 .7 6.6 6.4 6.2

2°C 7.1 76.9 6.7 6.5

7kW

-5°C 8.2

4.36

8.1

4.13

3.91

7.5

3.65

3.39

-3° C 8.8 8.6 8.4 7.9 7.4

0°C 9.5 9.3 9.1 8.6 8.1

2°C 10 9.8 9.6 9 8.5

10kW

-5°C 9.9

5.03

9.7

4.58

9.4

4.13

9.1

3.85

8.8

3.58

-3° C 10.7 10.3 10 9.6 9.2

0°C 1 1.9 11.6 11.3 1 0.7 10.2

2°C 12.8 12.5 12.1 11.5 10.9

12kW

-5°C 13.1

4.88

12.8

4.55

12.5

4.21

1 1.7

3.92

10.8

3.63

-3° C 13.9 13.4 12.9 12.1 11.2

0°C 15.2 14.6 14.1 13.2 12.3

2°C 16 15.5 14.9 13.9 13

Plan your work …

Select the correct aroTHERM plus to ﬁt your needs

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.

SCOP data

MIS 3005 design temperatures Hourly dry-bulb temperature (/

oC)

equal to or exceeded for % of

the hours in a year

99%

Belfast -1.2

Birmingham -3.4

Cardiff -1.6

Edinburgh -3.4

Glasgow -3.9

London -1.8

Manchester -2.2

Plymouth -0.2

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.

Installer's Quick Guide - aroTHERM plus 11/2020 Back to main menu

Product dimensions

122

765 mm

449 mm

1100 mm

3.5kW

5kW

965 mm

7kW

65 mm

10kW

12kW

185 kg*

270

106

740180180

477

14 14

133 kg*

121 kg*

G 1¹/“

*unboxed, ready for operation

6Installer's Quick Guide - aroTHERM plus 11/2020

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Sound power and pressure level

For sound pressure calculations, use sound power values in table below to ensure compliance with building regulations.

See charts for reference and guidance.

0510 15

Sound pressure level[dB(A)]

Distance from heat pump [m]

aroTHERM VWL 55/6

53,4

47,4

43,9

41,439,4

37,8 35,3 33,4 31,829,9

44,4

38,4

34,9

32,4

30,4 28,8

26,324,4 22,820,9

0510 15

Distance from heat pump [m]

Sound pressure level[dB(A)]

58,9

52,9

49,4

46,9

44,9

43,3

40,838,9 37,3 35,4

49,0

43,0

39,5

37,035,0

33,430,929,0 27,4 25,5

aroTHERM VWL 125/5 (230V)

0510 15

Distance from heat pump [m]

Sound pressure level[dB(A)]

55,0

49,0

45,5

43,0

41,039,4

36,9 35,0 33,431,5

44,2

38,2

34,7

32,2

30,228,6 26,124,2 22,620,7

aroTHERM VWL 75/6

VWL 35/6

VWL 55/6

VWL 105/6 (230V)

VWL 125/6 (230V)

VWL65/6

VWL 75/6

Nominal operation with max. output Operation at 60 % compressor speed reduction

aroTHERM plus 3.5 kW 5 kW 7 kW 10 kW 12 kW

Sound power level A7/W55 54 dB 54 dB 55 dB 60 dB 60 dB

Listen here

Installer's Quick Guide - aroTHERM plus 11/2020 7

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Find the perfect space for your installation

A quiet space for your installation

Whilst the aroTHERM plus has been accredited by Quiet Mark* for it‘s super low noise levels. When siting pay consideration to

bedroom windows and ﬂat roof installations.

Do!

Avoid

*Models 3.5, 5, 7 and 12kW

8Installer's Quick Guide - aroTHERM plus 11/2020

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Installation and R290 clearances

1 m 1 m

1 m

1 m 1 m

1 m

0,5 m

2,3 m

0,5 m 1 m

1,2 m

0,5 m

1 m

2,3 m

1,6 m

0,5 m

0,25 m

0,5 m

0,1 m

0,5 m

0,25 m

When placing the unit you must be aware of drains and

openings.

In the unlikely event of a refrigerant leak the gas needs to be

allowed to disperse to stop the risk of the gas igniting.

Follow the diagrams below to ensure adequate clearance.

Minimum clearances Unit Dimension

A mm 2100

B mm 3100

C mm 200/250

D mm 1000

There must be no ignition sources, such as plug sockets,

lamps or rotary insolation switches in the protective zone.

Air vents to void areas and air tight drains can be within the

protective zone.

Protective zone

Installer's Quick Guide - aroTHERM plus 11/2020 9

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A vented space for perfect operation

Do!

Don't

Operation clearances

0,6m

0,1m

0,5m

0,25m

0,2m

10 Installer's Quick Guide - aroTHERM plus 11/2020

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Install several aroTHERM plus in one spot: quiet, vented, safe!

Do!

Don't

500 mm

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