13
Except for the
E.6
error - excessive temperature of the emergency thermostat - all the other errors will
switch the boiler to the error mode (disconnection of the heating rods) which will be terminated automatically
once the error has been eliminated while the boiler operation will resume automatically.
An error discovered by the emergency thermostat is irreversible (the thermostat is only fitted with
manual reset which shall only be used by an authorized service technician once the cause of the error has
been determined).
♦
Service menu
With the THERM ELN boiler, it is possible to configure certain selected parameters. As such parameters
can significantly affect the boiler operation, they are concealed in the “service menu”.
This menu is only
accessible to a service technician authorized by the manufacturer.
7.
Special boiler features
♦
Antifreeze protection
If the conditions for operation are met (no failures and HDO is ON) and the output water temperature drops
below 5°C, the circulation pump will turn on, the contactor will be connected and one level of output will be
switched on. The heating operation will stop as soon as the output water temperature exceeds 15°C. If the lower
limit of the required heating water temperature is set to less than 15°C in the service menu, the heating
operation will stop once this limit is reached, except for cases when such limit is set to less than 6°C. In such a
case, the heating operation will stop when the 6°C temperature is reached.
8.
Commissioning
During commissioning, a service technician authorised by the manufacturer shall familiarize the user
with the boiler operation, with its individual components, the safety features and control and shall fill in
the warranty card and provide this user manual to the user.
Parameter Meaning
Minimum
Maximum
Default
P.0
PUMP RUN-DOWN [minutes]
1
30
3
P.1
MINIMUM HEATING WATER TEMPERATURE
SETPOINT [°C]
5
70
20
P.2
MAXIMUM HEATING WATER TEMPERATURE
SETPOINT [°C]
30
90
80
P.3
DIFFERENCE AND HYSTERESIS OF HEATING
RODS SWITCH-ON [°C]
1
5
2
P.4
VOLTAGE FROM THE PRESSURE SENSOR AT
P = 0 BAR [V]
0.0
1.5
0,5
P.5
VOLTAGE FROM THE PRESSURE SENSOR AT
P = 4 BAR [V]
2.0
5.0
2.5
P.6
BOILER MODEL
7.5
15
7.5
P.7
ANTI-FREEZE PROTECTION
no
yes
yes
P.8
HEATING WATER TEMPERATURE DURING
DHW HEATING [°C]
60
90
80
