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Installation sequence
Installation with safety valve for pressure-tested installation
Type ES4.A10 OK must be installed with
connections pointing vertically downwards.
Type ES4.A10 K must be installed with
connections pointing vertically upwards.
8
1. Prepare the cold water supply according
to local regulations and connect to the
appliance:
Types ES4.A10 OK and ES4.A10 K:
Connect the cold water pipe to the inlet
connector and the DHW outlet to the
outlet connector: See adjacent diagrams.
It is essential that a safety valve [6] with
a nominal pressure of 0.6 MPa is installed
in the cold water supply.
Type ES4.A10 OTK:
Insert gaskets into the nuts and connect
the fitting to the appliance using metal
pipes or flexible hoses. Recommended
distance between metal pipes and wall:
~34 mm.
2. Route the drain line for the safety valve
downwards, ensuring it is located in
a frost-free environment.
3. Open the hot water tap (red) and fill the
integral cylinder completely with water
(water must run out of the hot water tap
free of bubbles).
4. Check connections for tightness.
3
Inlet connector (cold water)
4
Outlet connector (DHW)
5
DHW outlet
6
Safety valve
7
Pressure reducing valve (for system
water pressures above 0.6 MPa)
8
Shut-off valve
9
Cold water supply
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