Ferroli BlueHelix HiTech RRT C Bedienungsanleitung
INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE
296 EN
B
The CE marking certifies that the products meet the essential requirements of the rele-
vant directives in force.
The declaration of conformity may be requested from the manufacturer.
cod. 3541V300 - Rev. 02 - 03/2021
Read the warnings in this in-
struction booklet carefully
since they provide important
information on safe installa-
tion, use and maintenance.
This instruction booklet is an
integral and essential part of
the product and must be kept
with care by the user for future
reference.
If the unit is sold or transferred
to another owner or if it is to be
moved, always make sure the
booklet stays with the boiler so
that it can be consulted by the
new owner and/or installer.
Installation and maintenance
must be carried out by profes-
sionally qualified personnel,
according to current regula-
tions and the manufacturer's
instructions.
Incorrect installation or inade-
quate maintenance can result
in damage or injury. The man-
ufacturer declines any liability
for damage caused by errors
in installation and use or by
failure to follow the instructions
provided.
Before carrying out any clean-
ing or maintenance operation,
disconnect the unit from the
power supply using the system
switch and/or the special cut-
off devices.
In case of a fault and/or poor
operation, deactivate the unit
and do not try to repair it or di-
rectly intervene. Contact pro-
fessionally qualified
personnel. Any repair/replace-
ment of the products must only
be carried out by qualified per-
B
297
EN cod. 3541V300 - Rev. 02 - 03/2021
sonnel using genuine parts.
Failure to comply with the
above can compromise the
safety of the unit.
Periodic maintenance per-
formed by qualified personnel
is essential in order to ensure
proper operation of the unit.
This unit must only be used for
its intended purpose. Any oth-
er use is deemed improper
and therefore hazardous.
After unpacking, check the
good condition of the contents.
The packing materials are po-
tentially hazardous and must
not be left within the reach of
children.
The unit can be used by chil-
dren aged at least 8 years and
by persons with reduced phys-
ical, sensory or mental capa-
bilities, or lacking experience
or the necessary knowledge,
only if under supervision or
they have received instruc-
tions on its safe use and the
related risks. Children must
not play with the unit. Cleaning
and maintenance intended to
be done by the user can be
carried out by children aged at
least 8 years only if under su-
pervision.
In case of doubt, do not use
the unit. Contact the supplier.
The unit and its accessories
must be appropriately dis-
posed of in compliance with
current regulations.
The images given in this man-
ual are a simplified represen-
tation of the product. In this
representation there may be
slight and insignificant differ-
ences with respect to the prod-
uct supplied.
298
1 Operating instructions ........................................................................................................ 299
1.1 Introduction.........................................................................................................................................299
1.2 Control panel ......................................................................................................................................299
1.3 Connection to the power supply, switching on and off .......................................................................302
1.4 Adjustments........................................................................................................................................ 305
2 Installation ............................................................................................................................ 315
2.1 General Instructions ...........................................................................................................................315
2.2 Place of installation ............................................................................................................................315
2.3 Plumbing connections ........................................................................................................................ 315
2.4 Gas connection ..................................................................................................................................317
2.5 Electrical connections.........................................................................................................................317
2.6 Fume ducts.........................................................................................................................................320
2.7 Condensate drain connection............................................................................................................. 326
3 Service and maintenance.................................................................................................... 327
3.1 Adjustments........................................................................................................................................ 327
3.2 Commissioning...................................................................................................................................333
3.3 Maintenance.......................................................................................................................................334
3.4 Troubleshooting..................................................................................................................................342
4 Technical data and characteristics .................................................................................... 346
4.1 Dimensions and connections ............................................................................................................. 346
4.2 General view ......................................................................................................................................347
4.3 Hydraulic circuit ..................................................................................................................................347
4.4 Technical data table ...........................................................................................................................348
4.5 Diagrams ............................................................................................................................................352
4.6 Wiring diagram ...................................................................................................................................353
299
EN cod. 3541V300 - Rev. 02 - 03/2021
1. Operating instructions
1.1 Introduction
Dear Customer,
BlueHelix HiTech RRT C is a high-efficiency, low emissions premix condensing heat generator
with heat exchanger in s/steel and incorporated DHW production, using Natural Gas (G20), Liq-
uefied Gas (G30-G31) or Propane-Air (G230) and equipped with a microprocessor control sys-
tem.
The sealed chamber unit is suitable for indoor installation or outdoors in a partially protected
place (according to EN 15502) with temperatures to -5°C.
1.2 Control panel
fig. 1- Control panel
Panel legend fig. 1
1DHW temperature setting decrease
button
2DHW temperature setting increase but-
ton
3Heating system temperature setting de-
crease button
4Heating system temperature setting in-
crease button
5Display
6Return button
7Winter, Summer, Unit OFF, ECO,
COMFORT mode selection button
8Eco mode ( )
9DHW mode
10 Summer/Winter mode
11 Menu / confirm button
12 System pressure
13 Heating mode
14 Burner lit
300 EN
cod. 3541V300 - Rev. 02 - 03/2021
Indication during operation
Heating
A heating request (generated by the Room
Thermostat or Remote Timer Control) is in-
dicated by the flashing radiator symbol.
When the burner is lit, the flame symbol ap-
pears and the 3 levels indicate the actual in-
tensity.
fig. 2
DHW (domestic hot water)
A DHW request (generated by hot water
draw-off) is indicated by the flashing faucet
icon.
When the burner is lit, the flame symbol ap-
pears and the 3 levels indicate the actual in-
tensity.
fig. 3
Comfort
In Comfort mode (restoration of boiler internal temperature) the flame symbol appears while the
faucet flashes.
301
EN cod. 3541V300 - Rev. 02 - 03/2021
Frost protection
In frost protection mode (flow temperature below 5°C) the flame symbol appears.
Fault
In case of a fault, the display shows the fault code with different graphics depending on the type.
A-type fault (fig. 5): For this fault manual intervention is required by pressing the button for
about 2 seconds. Then confirm with the button .
F-type fault (fig. 4): A fault which will be automatically reset after the problem has been eliminat-
ed.
Message-type fault (fig. 6): The fault is such as not to compromise boiler operation. The mes-
sage disappears when the problem is eliminated.
fig. 4 fig. 5 fig. 6
302 EN
cod. 3541V300 - Rev. 02 - 03/2021
1.3 Connection to the power supply, switching on and off
Boiler not electrically powered
BTo avoid damage caused by freezing during long idle peri-
ods in winter, it is advisable to drain all the water from the
boiler.
Boiler electrically powered
Electrically power to the boiler.
During the first 5 seconds the display shows the software version of the board and display (fig. 7).
For the following 20 seconds the display will show FH which identifies the heating system air vent-
ing cycle with the fan running (fig. 8).
In the next 280 seconds, the venting cycle continues with the fan off (fig. 9).
Open the gas valve ahead of the boiler
When the message Fh disappears, the boiler is ready to operate automatically whenever hot wa-
ter is drawn or in case of a room thermostat request
fig. 7- Switching on / Software version fig. 8- Vent with fan on fig. 9- Vent with fan off
303
EN cod. 3541V300 - Rev. 02 - 03/2021
To interrupt the venting phase (FH or Fh), keep the button pressed for about 2 seconds until
the symbol appears on the display. Confirm by pressing the button .
fig. 10
304 EN
cod. 3541V300 - Rev. 02 - 03/2021
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 remains on. To relight the boiler, press the button .
The boiler will be immediately ready in Winter and DHW mode.
BThe 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 winter, it is
advisable to drain all water from the boiler, the DHW circuit
and the heating system water; or drain just the DHW cir-
cuit and add a suitable antifreeze to the heating system,
as prescribed in sec. 2.3.
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