Installation; Hydraulic Installation; Requirements For Electrical Installation At The Installation Site - Vaillant eloSTOR Exclusive VEH 50/8-7 Installation And Maintenance Instructions Manual

Conditions: The wall is uneven.
▶
Smooth out any unevenness in the wall with the wall
supports.
5

Installation

5.1

Hydraulic installation

Warning.
Risk of adverse health effects caused by
impurities in the potable water.
Sealing residues, dirt or other residues in the
pipelines may adversely affect the quality of
the potable water.
▶
Flush all of the hot and cold water pipes
thoroughly before you install the product.
Conditions: Pressure-tight installation
1 Expansion relief valve
2 Stop valve
3 Pressure gauge con-
nectors
0020234040_02 eloSTOR exclusive Installation and maintenance instructions
1
2 3 4 5 6 7
4 Return flow prevention
5 Test valve
6 Pressure reducer
7 Cold water stop valve
▶
Install components (1) to (7).
▶
Install the safety device as close as possible to the pro-
duct's cold water inlet.
▶
Install the drain pipework at a constant incline.
▶
Maintain a clearance between the expansion relief
valve's discharge pipe and the tundish so that the drain
pipework is open to the atmosphere.
– Clearance: ≥ 20 mm
▶
Make sure that the diameter of the drain pipework is at
least equal to that of the expansion relief valve's dis-
charge pipe.
▶
Check the water connection positive pressure.
Result 1:
Water connection positive pressure: ≤ 6 bar
▶
Install a suitable safety group with no pressure redu-
cer.
Result 2:
Water connection positive pressure: 6 ... 16 bar
▶
Install a suitable safety group with pressure reducer.
5.2 Requirements for electrical installation at
the installation site
Danger!
Risk of electric shock
There is a risk of electric shock when working
on electrical components that are connected
to the low-voltage network.
▶
Disconnect the product from the power
supply.
▶
Secure the product against being
switched back on again.
▶
Check that the product is de-energised.
▶
Only open the product when it is de-ener-
gised.
▶
Connect the product to a permanent mains connection
via a partition wall.
–
Requirements for the partition: Contact opening of at
least 3 mm; mains connection is switched off at all
pins
▶
Make sure that the line protection switches are suitable
for the measuring current.
–
Measuring current: 16 A
Installation 5
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