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Installation
Fit the appliance to a stable wall in a vertical
position. Connections are at the top or bottom,
depending on the type.
Connection to the water system
Shutting off the cold water supply will cause
the appliance to malfunction.
Non-pressurised installation:
•
Fit the hot water tap over a basin with
a drain.
•
Do not install any devices between the hot
water outlet of the appliance and the
water outlet of the fitting which could
inhibit the flow. A free outflow of water
must be guaranteed at all times.
Type ES4.A10 OTK:
■
Install only with water connections
pointing vertically downwards.
■
Only connect the fitting that has been
supplied with this appliance.
■
A pressure reducer and safety valve are
not required as the appliance is only
operated as a non-pressurised system.
Fastening with rawl plugs:
1. Insert two 8 mm diameter rawl plugs into
the wall 140 mm apart.
2. Screw in the fixing screws until the
clearance between the screw head and
the wall is no more than 4 mm.
3. Hang the electric water heater on the
screws.
Fastening with wall mounting bracket:
1. Fit the wall mounting bracket.
2. Hang the electric water heater on the wall
mounting bracket and secure it in place
with the fixing screws.
For type ES4.A10 OTK, a clearance must
be maintained between the fixing screws
and the fitting.
Pressurised installation:
•
For system water pressures above
0.6 MPa, a pressure reducing valve must
be installed upstream of the safety valve
on the cold water supply.
•
Connect the safety valve to a drain line.
•
The safety valve and the outlet line must
not be installed in rooms where
temperatures below 0 °C occur.
•
Do not install a shut-off valve between the
safety valve and the electric water heater.
Installation sequence
7
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