BlueHelix HiTech RRT C
8
EN
cod. 3541V691 - Rev. 00 - 04/2022
Turning the boiler off and on
Changing from one mode to another is possible by repeatedly pressing the button
, following the sequence shown
in fig. 11.
A =
“Summer” mode -
B =
“Winter” mode -
C =
“Off” mode
To turn the boiler off, repeatedly press the button
until detail
C
of fig. 11 is displayed.
fig. 11- Turning the boiler off
When the boiler is turned off, the PCB is still powered. DHW and heating are disabled. The frost protection system re-
mains on. To relight the boiler, press the button
.
The boiler will be immediately ready in Winter and DHW mode.
B
The frost protection system does not work when the power and/or gas to the unit
are turned off. To avoid damage caused by freezing during long shutdowns in win-
ter, it is advisable to drain all water from the boiler, the DHW circuit and the heating
system water; or drain just the DHW circuit and add a suitable antifreeze to the
heating system, as prescribed in sec. 2.3.
A
B
C
27
°C
29
°C
1.2
bar
OFF
37
°C
1.2
bar
OFF
OFF
1.2
bar
Summary of Contents for 47-267-74
Page 42: ...BlueHelix HiTech RRT C 42 EN cod 3541V691 Rev 00 04 2022 fig 51 fig 52 fig 53 5 6 6 ...
Page 61: ......
Page 62: ......
Page 63: ......