3. Installation
ä Warning!
NEVER turn on the power during installation to prevent damage
to the product.
Make the following preparations
● Switch off the power supply to the water heater in the meter
cabinet or at the maintenance switch.
● Shut off the main water supply valve and release the pressure in
the system before starting work.
● Mark the hot and cold water connections.
● Remove the current heater, if present.
● Flush the water pipes before connecting them.
To replace an existing heater, follow the instructions under
Replacement of existing heater on page 14.
Otherwise, continue from New installation on page 16.
3.1. Water Heater Support
Dimension A, see
Dimensional sketch on page 12.
If the wall is not strong enough to support the filled heater on its
own, Itho Daalderopwater heater support can be used instead of
wall mounting.
ä Caution!
The water heater support must always be combined with a wall
bracket to prevent tipping.
ä Caution!
When using water heater support, the wall bracket is mounted
at a different height.
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