Electrical Installation; Start-Up; Operating; Setting The Configuration Type - Vaillant eloSTOR Exclusive VEH 50/8-7 Installation And Maintenance Instructions Manual

6 Start-up

5.3

Electrical installation

5
7 6
N L3 L2 L1 2
1 Mains connection cable
2 Auxiliary connection
cable
3 Cable duct
4 Strain relief
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.
1. Observe the connection diagram ( Appendix).
2. Guide the mains connection cable through the cable
duct and through the strain relief.
3. Tighten the screws on the strain relief.
4. Secure the mains connection cable to the mains con-
nection terminal.
5. Guide the auxiliary connection cable through the cable
duct and through the strain relief.
6. Tighten the screws on the strain relief.
7. Secure the auxiliary connection cable to the auxiliary
connection terminal.
8
5 4
1
1
5 Output selection ter-
minal
6 Auxiliary connection
terminal
7 Mains connection ter-
minal
Re-work
▶
Using an indelible pen, note the connected power on the
identification plate.
6 Start-up
1. Open the cold water stop cock.
2. Open the hot water valves.
3. Wait until water flows out of the hot water valves.
4. Close the hot water valves.
4
5. Check that the expansion relief valve is functioning
properly by venting the expansion relief valve.
3 ◁
Water must escape from the expansion relief valve.
6. Ensure that the safety cut-out is switched on.
2
7. Check that all of the pipe connections are leak-tight.
8. Switch on the fuses.
9. Switch on the line protection switches.
10. Set the configuration type. (→ Page 8)
11. Set the operating mode (→ Operating instructions).
12. Check that the product works correctly. (→ Page 9)
13. Set the target cylinder temperature.
Conditions: Water hardness: > 3.57 mol/m³
– Water temperature: ≤ 50 ℃
6.1

Operating

The domestic hot water cylinder operating instructions list
the functions that can be set by the operator.
6.2

Setting the configuration type

Note
In the as-delivered condition, the twin-circuit
switching (Co2) and the Smart operating mode
are preset.
1.
Press and hold the
to switch to standby mode.
◁
The symbol flashes in the display.
2.
Press and hold the
time for at least 10 seconds to open the configuration
menu.
3.
Use the and
(on-demand switching (Co0), single-circuit switching
(Co1) or twin-circuit switching (Co2)) that was selected
during the electrical installation.
4.
Press the button to save this selection and exit the
configuration menu.
Installation and maintenance instructions eloSTOR exclusive 0020234040_02
button for at least three seconds
and buttons at the same
buttons to set the configuration type