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COMMISSIONING AND MAINTENANCE
8 PUTTING INTO SERVICE
When all the sealing checks have been carried out at the end of
the installation, start the device.
To start the heating element make sure that the general switch
of the system is active "ON".
When the boiler's setting up is complete check that it works cor-
rectly:
− Switch off and then back on the heating element, modi-
fying the calibration of the setting thermostat.
9 ADJUSTMENT
TEMPERATURE SETTING
The temperature may be set by turning the thermostat knob, as
shown in the following pictures.
In the Single-phase versions it is possible to adjust the temper-
ature of the heating element from 30°C to 70°C, whereas in the
Three-phase version it is possible to adjust it from 9°C to 75°C.
SINGLE-PHASE
R
Knob adjustment
THREE-PHASE
R
Knob adjustment
UNLOCKING THE SAFETY THERMOSTAT
SINGLE-PHASE
T
M Setting thermostat knob
9
If it activates, the safety thermostat must be unlocked manually.
With a screwdriver or a drift, press the unlock button. In order to
realise this, it is necessary that the temperature detected by the
thermostat sensor is less than 90°C.
R
THREE-PHASE
R
T
M Setting thermostat knob
9
If it activates, the safety thermostat must be unlocked manually.
With a screwdriver or a drift, press the unlock button. In order to
realise this, it is necessary that the temperature detected by the
thermostat sensor is less than 90°C.
Commissioning and maintenance
21
COMMISSIONING AND MAINTENANCE
M
Safety thermostat
In the event of over-temperature the manual resetting
safety thermostat activates. The safety thermostat activa-
tion is not signalled, but may be detected by measuring the
boiler's temperature (T>95°C).
M
Safety thermostat
In the event of over-temperature the manual resetting
safety thermostat activates. The safety thermostat activa-
tion is not signalled, but may be detected by measuring the
boiler's temperature (T>98°C).
T
T
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