Operating instructions

98
Commissioning
Checking the high limit safety cut−out
Hold down the "TÜV" test key
during this test (position "h"). There
must be a minimum flow.
The minimum circulation volume
should be 10 % of the circulation
volume at rated output.
Reduce the heat consumption as far
as possible. Control thermostat"R"
is now bypassed.
The burner remains switched ON
until the boiler water temperature
has reached the safety temperature
and the high limit safety cut−out has
switched OFF.
After the burner has been shut down
by the high limit safety cut−out,
H Release the"TÜV" test key,
H wait until the boiler water
temperature has fallen 15 to 20 K
(Kelvin) below the set safety
temperature, then reset the high
limit safety cut−out by pressing
button"E".
Integrating the control unit into the LON system
The LON communication module (accessories) must be plugged in (see page 128).
Note
Data transfer via the LON system can take several minutes.
Setting the system type
In code 1, set coding address "01".
Code 1, see page 139.
Setting up a LON user number
In code 1, set the LON user number
via coding address "77".
In a LON system, the same number
cannot be allocated twice.
5862730GB