Hydraulic Installation - Vaillant VWZ MWT 150 Installation Instructions And Instructions For Use

MOUNTING AND INSTALLATION
► 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

Caution!
b
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.
Caution!
b
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 valvest.
Protect (expanded) polypropylene
►
of electrical modul
Do not solder the connection
►
pieces if the connection pieces
are screwed to the service valves.
Caution!
b
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.
If you use plastic pipes that pass
►
oxygen in the heating installation,
add a corrosion inhibitor to the cir-
cuit water.
20
8 1
. 5
8 0
1
2
3
4
5
1 Installation heating
circuit inlet 1"
2 Installation heating
circuit outlet 1"
► Only use the original seals supplied with the appliance.
► Connect the heating circuit as specifi ed.
► Connect the circuit to the heat pump as shown.
5
1 0
8 1
. 5
3 Glycol water circuit outlet
to heat pump 1"
4 Safety valve drain
5 Glycol water circuit inlet
from heat pump 1"
0020166669_04 - 03/15 - Vaillant