INSTALLATION
Safety
12 | DCE Premium www.stiebeleltronamericas.com
INSTALLATION
7. Safety
Only a qualified contractor should carry out installation, commis-
sioning, maintenance and repair of the water heater.
7.1 General safety instructions
We guarantee trouble-free function and operational reliability
only if original accessories and spare parts intended for the water
heater are used.
!
Material losses
Observe the maximum inlet temperature. Higher tem-
peratures may damage the water heater. You can limit
the maximum inlet temperature by installing a central
thermostatic valve.
WARNING Electrocution
This water heater contains capacitors which are dis-
charged when disconnected from the power supply. The
capacitor discharge voltage may briefly exceed60VDC.
7.2 Instructions, standards and regulations
Note
Observe all applicable national and regional regulations
and instructions.
- The IP24 (splash-proof) protection rating can only be en-
sured with a correctly fitted cable grommet, and by using
countersunk screws with a diameter of 4.5 mm, max. diame-
ter of the screw-head 9 mm.
- The electrical resistivity of the water must not fall below that
stated on the type plate. In a linked water network, factor
in the lowest electrical resistivity of the water. Your water
supply utility will advise you of the electrical resistivity or
conductivity of the water in your area.
8. Water heater description
8.1 Standard delivery
The following are delivered with the water heater:
- Cable grommet
- Filter screen, factory installed in cold water inlet
- Jumper for anti-scalding protection, attached
- Jumper for power output selection, attached
- Jumper, spare
- Plug for electrical connection, non-concealed installation,
bottom center
8.2 Accessories
Installation kit for concealed water connections
The following accessories are required for concealed water con-
nection installations (not supplied, available as a kit, part number
200017 – IW-Kit LA):
- 2 x plugs to seal the apertures in the water heater back panel
- 2 x 45° twin connectors
- Filter screen with sealed edge for installation on the 45°twin
connector
- Flat gasket
9. Preparation
9.1 Installation site
!
Material losses
Install the water heater in a room that is free from the
risk of frost.
f Always install the water heater vertically with plumbing fit-
tings pointing downward.
The water heater is suitable for supplying multiple fixtures, with
installation location either below or above connected fixtures. The
water heater should be positioned as close as possible to major
draw points in order to minimize pipe runs.
Taps
Do not use open vented or non-pressurized taps.
Typical residential installation
1
2
1 Cold water inlet
2 DHW outlet
Note
f Install the water heater flush to the wall. The wall
must have sufficient load bearing capacity.
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