Maintenance 7
0020217827_03 aroTHERM Installation instructions
21
portant system parameters again, you can also call up the
Configuration
menu item.
Menu
→
Installer level
→
Configuration
6.12.3.1 Heat pump setting parameters
To individually set the heat pump, you can adjust certain
parameters in the
Configuration
menu.
Menu
→
Installer level
→
Configuration
Additional setting data is listed in the appendix.
Heat pump setting parameters (
6.13
Installing the side casing
C
C
B
A
▶
Install the side casing.
6.14
Instructing the end user
▶
Explain the how the system operates to the operator.
▶
Draw particular attention to the safety warnings, which
the end user must follow.
▶
Make the end user aware of the need for regular main-
tenance (maintenance contract).
▶
Explain to the end user how to check the system's water
volume/filling pressure.
7
Maintenance
7.1
Observing maintenance intervals
▶
Only carry out maintenance work if you are a competent
person.
▶
Carry out annual maintenance.
7.2
Preparing for maintenance
7.2.1
Procuring spare parts
The original components of the unit were also certified as
part of the CE declaration of conformity. Information about
available Vaillant genuine spare parts is available by contact-
ing the contact address provided on the reverse of this docu-
ment.
▶
If you require spare parts for maintenance or repair work,
use only Vaillant genuine spare parts.
7.3
Instructions before carrying out
maintenance work
Observe the basic safety rules before carrying out mainten-
ance work or installing spare parts.
Danger!
Risk of injury due to unauthorised access
to the refrigerant circuit.
Escaping refrigerant may cause freezing if
the exit point is touched.
▶
Only carry out work on the refrigerant cir-
cuit if you have been trained to do so and
if you have the required protective cloth-
ing.
▶
Avoid skin and eye contact with the refri-
gerant.
▶
Switch the system off.
▶
Disconnect the system from the power supply.
▶
Where necessary, disconnect the heating circuit from the
product by using the isolation valves.
▶
If you must replace parts on the heating circuit, drain the
product.
▶
When working on the product, protect all electric com-
ponents from spraying water.
7.4
Yearly maintenance
▶
Check that the safety devices are functioning properly.
▶
Check the heating circuit's filling pressure.
▶
Ensure that there are no traces of rust or oil on the refri-
gerant circuit components.
▶
Ensure that the product components are neither worn nor
defective.
▶
Check that all wires sit securely in the connection plugs.
▶
Check the product's earthing.
▶
Check the heating pump's flow temperature and the set
values.
▶
Remove any dust from the electronics box and the in-
verter box.
▶
Clean the ribbed pipe heat exchanger and ensure that air
circulates between the fins and around the product.
Summary of Contents for aroTHERM VWL 55/3 A 230 V
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