Hydraulic Installation - Vaillant VWZ MEH 61 Installationsanleitung Und Betriebsanleitung

4.2.2 Wall-mounting of the product
a Danger!
Danger to life if the load-bearing
capacity of the fixing elements used is
insufficient!
If the fixing elements do not have sufficient
load-bearing capacity, the product can
come loose and fall down.
When fitting the product, ensure that the
•
fixing elements have a sufficient load-
bearing capacity.
∙ Determine the assembly location.
∙ Drill the holes to receive the fastenings.
∙ Fix the hanging bracket on the wall.
Key
1 Support d'accrochage
∙ Lifting the product into position, lean the top of the product
slightly to the wall and position just above the hanging
bracket.
∙ Lower the product slowly and engage onto the hanging
bracket.
∙ This product is for internal installation only.
4.3

Hydraulic installation

b Caution!
Risk of damage caused by contaminated
lines!
Foreign bodies such as welding remnants,
sealing residue or dirt in the supply lines
can cause damage to the product.
Flush the supply lines thoroughly before
•
installation.
b Caution!
Risk of damage caused by heat transfer
when soldering.
Heat that is transferred during soldering
can cause damage (expanded)
polypropylene around electrical modul and
to the seals in the service valves.
Protect (expanded) polypropylene of
•
electrical modul
Do not solder the connection pieces if
•
the connection pieces are screwed to the
service valves.
0020166663_00 - 05/13 - Vaillant
MOUNTING AND INSTALLATION
b Caution!
Risk of damage due to corrosion.
If plastic pipes that pass oxygen are used
in the heating installation, this may corrode
or sludge up the appliance's heating circuit
or the appliance itself.
•
1
1
Key
1 Installation heating circuit inlet 1"
2 Installation heating circuit outlet 1"
3 Heating circuit outlet to tank 1"
4 Safety valve drain
5 Heating circuit inlet from tank 1"
6 Glycol water circuit inlet from heat pump 1"
7 Glycol water circuit outlet to heat pump 1"
∙ Only use the original seals supplied with the appliance.
∙ Connect the installation heating circuit as shown.
∙ Connect the tank heating circuit as shown.
∙ Connect the heat pump circuit as shown.
If you use plastic pipes that pass oxygen
in the heating installation, add a
corrosion inhibitor to the circuit water.
2
95
200
2 3 5
4
6 7
EN
27