3.
Stick the data plate onto the heat insulation.
6
Handing over to the end user
1.
Teach the end user how to handle the installation. An-
swer any questions the end user may have. In particu-
lar, draw attention to the safety warnings which the end
user must follow.
2.
Instruct the end user that, when filling the heating in-
stallation, the water quality available on site must be
taken into consideration.
3.
Inform the end user that, when filling the heating install-
ation, they must only use normal tap water without any
chemical additives.
4.
Explain to the end user how the safety devices work
and where they are located.
5.
Inform the end user that they must have the product
maintained in accordance with the specified intervals.
6.
Provide the end user with all relevant instructions and
unit documentation for safe-keeping.
7
Troubleshooting
▶
Eliminate faults as described in the troubleshooting table
(→ Appendix).
0020314387_00 allSTOR plus Installation and maintenance instructions
B
A
C
8
Inspection and maintenance
8.1
Maintenance plan
#
Maintenance work
1
Check the connections for tight-
ness
2
Filling and purging the product
3
Checking the product for damage
4
Caring for the product
8.2
Check the connections for tightness
▶
Check all threaded connections for leak-tightness.
8.3
Filling and purging the product
▶
Fill and purge the product. (→ Page 24)
8.4
Checking the product for damage
▶
Check all of the connections and the buffer cylinder heat
insulation, along with the connected components, for
damage.
8.5
Caring for the product
▶
Clean the casing with a damp cloth and a little solvent-
free soap.
▶
Do not use sprays, scouring agents, detergents, solvents
or cleaning agents that contain chlorine.
8.6
Procuring spare parts
Information about available Vaillant original spare parts is
available by contacting the contact address provided on the
back page of this document.
▶
If you require spare parts for maintenance or repair work,
use only Vaillant original spare parts.
9
Decommissioning
9.1
Emptying the buffer cylinder
Condition: Heating circuits should not be drained
▶
Close the heating circuits at the isolators.
1.
Connect a drain hose to the lowest-lying draining cock
in the buffer cylinder circuit.
2.
Feed the drain hose into a suitable drain (floor drain,
sink).
3.
Open the draining cock.
4.
Remove the cover from the buffer cylinder.
5.
Remove the upper heat insulation from the buffer cylin-
der.
6.
Open the purging valve on the buffer cylinder.
◁
The water flows out of the buffer cylinder.
Interval
Annually
25
Annually
24
Annually
25
Annually
25
25