BLUEHELIX TECH RRT 28 C
151
EN
cod. 3541N260 - Rev. 01 - 10/2017
Indication during operation
Heating
A heating demand (generated by the Room Thermostat or Remote Timer Control) is indicated by activation of the radiator.
The display (detail 12 - fig. 1) shows the actual heating delivery temperature and, during heating standby time, the mes-
sage
“d2”
.
fig. 2
Domestic hot water (DHW)
A DHW demand (generated by drawing domestic hot water) is indicated by activation of the faucet.
The display (detail 12 - fig. 1) shows the actual DHW outlet temperature and, during DHW standby time, the message
“d1“
.
fig. 3
Comfort
A Comfort demand (reinstatement of temperature inside the boiler) is indicated by flashing of the
Comfort
symbol. The
display (detail 12 - fig. 1) shows the actual temperature of the water in the boiler.
Fault
In case of a fault (see cap. 3.4 "Troubleshooting") the display shows the fault code (detail 12 - fig. 1) and during safety
pause times the messages
“d3”
and
“d4”
.
1.3 Connection to the power supply, switching on and off
Boiler not electrically powered
fig. 4- Boiler not electrically powered
B
To avoid damage caused by freezing during long idle periods in winter, it is advisable to drain all the water
from the boiler.
