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INSTALLATION
Preparations
8.
Preparations
Water installation
A type-tested safety valve is required.
The appliance is engineered for a design pressure of 0.6 MPa. The
safety valve must prevent the water pressure in the cylinder from
exceeding the design pressure by more than 0.1 MPa.
Taps
Only install pressure taps in conjunction with the safety valve.
8.1
Installation site
Material losses
!
Install the appliance in a room free from the risk of frost.
Material losses
!
Mount the appliance on the wall. The wall must have a
sufficient load-bearing capacity.
Material losses
!
The appliance is only suitable for undersink installation.
The water connections of the appliance point upwards.
Note
Ensure that the appliance is freely accessible for main-
tenance work.
Always install the appliance vertically and near the draw-off point.
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| SHC 10 | SHC 15
9.
Installation
9.1
Appliance installation
f Mark out the holes to be drilled on the wall (see chapter "In-
stallation / Specification / Dimensions and connections").
f Drill the holes and insert suitable rawl plugs.
f Secure the wall mounting bracket using suitable screws.
f Hang the appliance on the wall mounting bracket.
Note
Surplus cable can be stored in the cable compartment.
9.2
Safety valve installation
f Install the safety valve in the cold water supply line of the
appliance.
f Size the drain pipe so that water can drain off unimpeded
when the safety valve is fully opened.
f Fit the drain pipe of the safety valve with a constant down-
ward slope and in a room free from the risk of frost.
f The safety valve drain must remain open to the atmosphere.
f Fit a pressure reducing valve upstream of the safety valve
in the cold water supply line if the supply pressure is
> 0.48 MPa.
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