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10 Inspection and maintenance
9.4
Replacing the mains connection cable
2
3
4
5
1
6
1.
If the product's mains connection cable is damaged, it
must be replaced.
Note
The electrical installation must only be car-
ried out by a competent person.
2.
Remove the covering hood.
3.
Remove the cover from the PCB.
4.
Carry out the wiring. (→ Page 15)
5.
Guide the mains connection cable through the cable
duct on the rear of the electronics box.
6.
Connect the mains connection cable to the product's
power supply connection.
9.5
Completing repair work
1.
Install the covering hood.
2.
Establish the power supply.
3.
Open all of the stop cocks.
4.
Switch on the product.
5.
Check that the product and the hydraulic connections
work correctly and are leak-tight.
10 Inspection and maintenance
10.1
Preparing the maintenance and repair work
1.
Decommission the product.
2.
Disconnect the product from the power grid.
3.
Wait until the fan has come to a complete stop.
4.
Close the stopcocks in the hydraulic circuit.
5.
Close the stopcock upstream of the safety group on the
cold water inlet.
6.
Remove the covering hood.
7.
Drain the product if you want to replace water-bearing
components of the product.
8.
Make sure that water does not drip on live components
(e.g. the electronics box).
9.
Use only new seals.
22
10.2
Observing inspection and maintenance
intervals
▶
Adhere to the minimum inspection and maintenance in-
tervals.
Annual inspection and maintenance work – Overview
10.3
Draining the product
1.
Decommission the product.
2.
Disconnect the product from the power mains.
3.
Close the stop cock upstream of the safety group on the
cold water inlet.
4.
Ensure that the waste water outlet is connected to the
safety group.
5.
Open the safety group valve and check that water is
flowing into the outflow.
6.
Open the highest hot water draw-off point in the house
to drain the water pipes completely.
7.
Once the water has completely drained out, close the
safety group valve and the hot water draw-off point
again.
10.4
Procuring spare parts
The original components of the product were also certified
by the manufacturer as part of the declaration of conformity.
If you use other, non-certified or unauthorised parts during
maintenance or repair work, this may void the conformity of
the product and it will therefore no longer comply with the
applicable standards.
We strongly recommend that you use original spare parts
from the manufacturer as this guarantees fault-free and safe
operation of the product. To receive information about the
available original spare parts, contact the contact address
provided on the back page of these instructions.
▶
If you require spare parts for maintenance or repair
work, use only the spare parts that are permitted for the
product.
11 Decommissioning
11.1
Decommissioning the product
▶
Press the on/off button.
▶
Disconnect the product from the power mains.
▶
Drain the product.
11.2
Arranging disposal of refrigerant
Warning.
Risk of damage to the environment
This heat pump contains the refrigerant
R 290. The refrigerant must not be allowed to
escape into the atmosphere.
▶
Refrigerant must only be disposed of by
qualified competent persons.
The competent person who installed the heat pump must
dispose of the refrigerant.
Installation and maintenance instructions aroSTOR 0020290840_00
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