Riello BAG2 MIX Manuel D'instruction page 47

INSTRUCTION TO RESET THE HIGH LIMIT THERMOSTAT
INTERVENTION
The signal of 77 flashing alarm (refer to the boiler i
nstrucions) may be caused by the automatic high limit
thermostat intervention.
T. intervention 55°C.
The signal 77 disappear to the cooling of the system
(about 40°C)
BAG
CONNECTING THE
MAINS
Connect main supply wire (phase / neutral / earth) to
the main supply follwing local regulations and laws.
Drawing the power supply for the
the boiler is absolutely forbidden as the boiler's fuse
is not sized to take the electrical loads associated
2
with the BAG MIX
CONNECTING THE AMBIENT THERMOSTAT (TA)
The TA for the high temperature system is connected di-
rectly to the boiler's board M6, as per the instructions given
in the boiler manual.
Boilers from inside only: The TA of the low temperature
system is connected to terminal M2A
Boilers from outside only: The TA of the low temperature
system is connected to Family Remote Control
CONNECTING THE EXTERNAL SENSOR
Connect the external sensor to the boiler as indicated in
the instruction manual for the boiler.
When using a phase-phase power supply, use a tester to
determine which of the two wires has the greater potential
compared to the earth and connect it to the L terminal.
Connect the remaining wire to the N terminal.
For floating power supplies, that is, those that have no
earth connection, an insulation transformer must be used,
with a secondary unit connected to the earth.
The following are obligatory:
- A multi-pole trip-switch must be used to disconnect the
line, that conforms to the CEI-EN 60335-1 standards
(contact opening at least 3,5mm, category III).
- Use cables with a 1,5 mm
(Phase) – N (Neutral) connection.
2 MIX
TO THE ELECTRICITY
2
BAG MIX
.
2 section and respect the L
from
Fig. 8
- The amperage on the switch must be adequate for the
boiler's electrical power rating – see the technical data
to check the electrical power rating for the model
installed.
- Connect the equipment to an efficient earthing system.
- The power socket must be inaccessible after installa-
tion.
The use of gas or water pipes to earth this equipment is
forbidden.
The manufacturer does not accept any responsibility for
any damage caused due to the lack of a proper earth or
failure to comply with the wiring diagram.
47
INSTALLATOR