34
3 COMMISSIONING AND
MAINTENANCE
3 1 Initial startup
- Turn the main system switch "on"
- loosen the screw (1), turn the main control panel (2)
and access the main switch of the modular system
(3), turning it to "on". The green indicator lights (4)
and (5) will turn on
- turn the switches (6) for each heating element to "on”
- the green SLAVE electric power supply indicator light
(7) for every heating element will flash. The system
will perform a self-diagnostics cycle, after which it will
switch to DISPLAY mode
- the display (8) shows the system status and the tem-
perature measured by the "high temperature" circuit
sensor (see the "Display mode" chapter)
If there are more than two modular systems, the addresses
must be configured from the second modular system on-
wards. To do so, see the paragraph "Setting addresses for
cascade coupling").
If there is a low temperature system, set parameter 34=1.
4
8
7
2
6
3
1
5
- Adjust the room thermostats for the high and low tem-
perature zones to the required temperature (~20°C)
or, if the systems are equipped with timer thermostats
or a time programming unit, make sure it is on and
adjusted (~20°C)
- press the button: the manifold delivery tempera-
ture will be displayed, preceded by the symbol “1”
- press
“Set/esc”
: the relative setpoint is displayed and
the two digits to the right will flash. To change this
value press or . To confirm, press
“OK”
- press the button four times: the maximum temper-
ature of the low temperature circuit will be displayed,
preceded by the symbol “6”
- press
“Set/esc”
: the relative setpoint is displayed and
the two digits to the right will flash. To change this
value press or . To confirm, press
“OK”