Sime BRAVA SLIM HE R Series, Brava Slim HE 20 R e, Brava Slim HE 40 R i, Brava Slim HE 20 R i, Brava Slim HE 40 R e Installation And Servicing Instructions
This product must be installed exclusively by professionally qualified personnel in accordance with the requirements of
the standards AS/NZS 5601, AS/NZS 3500, AS/NZS 3000 (current version) of the local gas, electricity authorities and other
relevant legislation.
Fonderie SIME S.p.A.
6322891A - 05/2016 - R1
SAFETY WARNINGS AND REGULATIONS
RESTRICTIONS
m
m
WARNINGS
– After having removed the packaging make sure that
the product supplied is integral and complete in all
its parts. If this is not the case, please contact the
Dealer who sold the appliance.
– The appliance must be used as intended by
who is not responsible for any damage caused to
persons, animals or things, improper installation,
adjustment, maintenance and improper use of the
appliance.
– In the event of water leaks, disconnect the appliance
from the mains power supply, close the water
mains and promptly inform professionally qualified
personnel.
– Periodically check that the operating pressure of the
water heating system when cold is
kPa)
. If this is not the case, increase the pressure or
contact professionally qualified personnel.
– If the appliance is not used for a long period of time,
at least one of the following operations must be
carried out:
set the main system switch to "OFF";
-
-
close the gas and water valves for the water
heating system.
– In order to ensure optimal appliance operations
Sime
recommends that maintenance and checks
are carried out
TWICE A YEAR
1-1.2 bar (100-120
.
Sime
WARNINGS
–
It is recommended that all operators
carefully in order to use the appliance in a safe and
rational manner.
This manual
–
must therefore be kept for future reference and
must always accompany the appliance in the event
the appliance is transferred or sold to another
Owner or User or is installed on another system.
Installation and maintenance
–
must be carried out by a qualified company or by
a professionally qualified technician, or authorised
person, in accordance with the instructions
contained in the manual. The company or technician
will, at the end of installation operations, issue a
statement of compliance with national and local
Technical Standards and Legislation in force
– This appliance is not suitable for pool or SPA heating
is an integral part of the appliance. It
read this manual
of this appliance
d
IT IS FORBIDDEN
– Do not allow appliance to be used by children or
unassisted disabled persons.
– Do not use electrical devices or appliances such as
switches, electrical appliances etc if you can smell
fuel. If this should happen:
open the doors and windows to air the room;
-
-
close the gas isolation device;
-
promptly call for professional assistance.
– Do not touch the appliance with bare feet or with any
wet part of the body.
– Do not carry out any technical intervention or
cleaning operation before having disconnected the
appliance from the mains power by setting the main
switch to "OFF", and closing the gas supply.
– Do not modify the safety or adjustment devices
without authorization and instructions from the
manufacturer.
– Do not block the condensate drain (if present).
– Do not pull, detach or twist the electrical cables
coming out of the appliance even if the appliance is
disconnected from the mains power supply.
– Do not expose the boiler to atmospheric agents.
These boilers can also be installed in partially
covered areas, as per EN 15502, with a maximum
ambient temperature of 60°C and a minimum
ambient temperature of - 5°C. It is recommended
that the boiler is installed below weathered roofs,
on the balcony or in a protected niche, to protect it
from exposure to weathering agents (rain, hail and
snow). The boiler is equipped as standard with an
antifreeze function.
– Do not block or reduce the size of the ventilation
openings of the room where the appliance is
installed, if present.
– Remove the mains power and gas supply from the
appliance if the external temperature could fall
below ZERO (risk of freezing).
– Do not leave containers with flammable substances
in the room where the appliance is installed.
– Do not leave packaging material around since it
could be dangerous. Therefore dispose of it as
prescribed by legislation in force.
– Do not install the boiler in special environments
that may limit its optimum operation (e.g. marine
environment).
2
RANGE
MODELCODE
Brava Slim HE 20 R i - (Natural gas)8112265
Brava Slim HE 20 R e - (Natural gas)8112266
Brava Slim HE 40 R i - (Natural gas)8112267
Brava Slim HE 40 R e - (Natural gas)8112268
TABLE OF CONTENTS
USER INSTRUCTIONS
TABLE OF CONTENTS 5
COMPLIANCE
Our company declares that
the following Australian Standards
– AS/NZS 5601 Gas Installations
– AS/NZS 3500 Water services, Sanitary plumbing and drainage
– AS/NZS 3000 Electrical installations, Buildings, structures
and premises
License Number:
SYMBOLS
a
WARNING
To indicate actions which, if not carried out correctly,
can result in injury of a general nature or may damage
or cause the appliance to malfunction; these actions
therefore require particular caution and adequate
preparation.
SAI-400196
Brava Slim HE R
.
boilers comply with
DESCRIPTION OF THE APPLIANCE
TABLE OF CONTENTS 13
INSTALLATION AND SERVICING
INSTRUCTIONS
TABLE OF CONTENTS 21
f
d
m
ELECTRICAL HAZARD
To indicate actions which, if not carried out correctly,
could lead to injury of an electrical nature; these
actions therefore require particular caution and
adequate preparation.
IT IS FORBIDDEN
To indicate actions which MUST NOT BE carried out.
CAUTION
To indicate particularly important and useful
information.
3
4
TABLE OF CONTENTS
USER INSTRUCTIONS
1 USING THE BOILER BRAVA SLIM HE R 6
1.1 Control panel ...................................6
seconds generates a fault on the display without preventing
boiler operation. The warning disappears when normal
conditions are restored.
2
l
n
d
t
f
F
v
Fig. 1
1
FUNCTIONAL BUTTONS
If pressed once or more than once for at least 1 second
y
during normal operation, this button allows the user
to change the boiler operating mode in a cyclical
sequence (Stand-by – Summer – Winter). If the boiler is
experiencing a fault which can be reset, it allows boiler
operation to be unblocked. (Note: the "SUMMER" mode
is not applicable to this boiler).
In "parameter setting", the user can scroll through the
(
parameter index (decreasing) by pressing this button.
During normal operation, pressing this button displays
t
the flow temperature set point which can be between 20
and 80°C. In "parameter setting", the user can scroll
through the parameter index (increasing) by pressing
this button.
During normal operation, pressing this button allows
<
the user to reduce the flow temperature set point. In
"parameter setting/display", the user can modify the
parameter setting or value (decreasing) by pressing this
button.
During normal operation, pressing this button allows
>
the user to increase the flow temperature set point. In
"parameter setting/display", the user can modify the
parameter setting or value (increasing) by pressing this
button.
Programming connector cover plug.
c
p
A
z
E
m
pressing any one of these buttons for more than 30
DISPLAY
“SUMMER”
If the symbols
that the chimney sweep function is active.
“WINTER”
operating in "Winter" mode. If no operating modes have
been enabled both symbols
“RESET REQUIRED”
having repaired the fault, normal boiler operation can be
restored by pressing the button
“HEATING”
operation or during the "chimney sweep function It
flashes during the selection of the heating set point.
“BLOCK” DUE TO NO FLAME
“FLAME PRESENCE”
“POWER LEVEL”
the boiler is operating.
“PARAMETER”
parameter setting/display, or "info" or "counter", or in
"activated alarms" (history).
“ALARM”
number specifies the cause which generated the alarm.
“CHIMNEY SWEEP”
sweep function" has been activated.
”ECO”, ALTERNATIVE ENERGY SOURCES
indicates that there is a solar system available.
CAUTION
– Access to the control panel of models
– On completion of the operations, refit the panel on
a
1
. The symbol for "Summer" mode is displayed.
and n are flashing, this indicates
l
. This symbol appears when the boiler is
and n will be off.
l
. The message indicates that after
.
y
. This symbol lights up during heating
.
.
. This indicates the power level at which
. This indicates that the user may be in
. This indicates that a fault has occurred. The
. This indicates that the "chimney
. Where active, it
Brava Slim
HE 20 R e
loosening screw (1) and removing panel (2).
the control panel and secure fully.
and
Brava Slim HE 40 R e
b
is possible after
Fig. 2
6
1.2 Preliminary checks
Commissioning of the
out by professionally qualified personnel after which the boiler
can operate automatically. It may however be necessary for the
User to start the appliance autonomously without involving a
technician: for example, after a holiday.
First of all check that the gas isolation and water system valves
are open.
Brava Slim HE R
boiler must be carried
1.3 Ignition
After having carried out the preliminary checks, perform the
following to start the boiler:
– set the main system switch to "ON" in order for the display to
show the pressure level in the system during refilling
make sure that the operating mode is set to "Stand-by";
–
not the case, press the button
been selected
ON
– on the display (1), check that the heating system pressure
when cold is
filling valve, which is to be prearranged on the system return,
and fill until a pressure of
the display (1)
– close the filling valve (2)
1-1.2 bar (100-120 kPa)
until "Stand-by" mode has
y
. Otherwise, open the
1-1.2 bar (100-120 kPa)
if this is
Fig. 3
is shown on
– set the room thermostat to the required temperature, or
if the system is equipped with a timed programmer or
external temperature controller, check that this is ON and set
accordingly.
1.4 Adjusting the heating temperature
If the heating temperature is to be increased or decreased,
press the button
desired temperature is reached. The temperature can be set to
between 20 and 80°C.
followed by the buttons > or < until the
t
1
Fig. 4
– select the "WINTER" l operating mode by pressing the
button twice. the value of the delivery sensor detected at
y
that moment will appear on the display
7
1.5 Fault / malfunction codes
OFF
OFF
OFF
If a fault/malfunction is detected during boiler operation, the
“ALL”
message
code (eg.
If the message
button
y
operating conditions are restored.
will appear on the display followed by the fault
“06”
- no flame detected).
d
for more than 3 seconds and check that the normal
also appears, press and hold the
– set the main system switch to "OFF"
– close the gas valve.
Fig. 6
If this operation is not successful,
be made, therefore:
– close the gas isolation valve
– set the main system switch to "OFF"
– contact the Qualified Technical Personnel.
m
CAUTION
In case of failure, the fault code appears on the display.
The list of all fault codes, with their descriptions, can
be found in the section Commissioning.
ONLY ONE MORE ATTEMPT
Fig. 5
can
2 SHUTDOWN
2.1 Temporary shutdown
If the user wishes to interrupt boiler operation, press and hold
the button
mode"
n
“- -”
will appear on the display.
for at least one second, once if in "WINTER
y
or twice if in "SUMMER mode" l.
m
CAUTION
If the outside temperature might fall below ZERO,
since the appliance is equipped with an "antifreeze
function" and the "anti-freeze kit to -15°C":
– PUT THE BOILER INTO STAND-BY
– leave the main system switch set to "ON" (boiler is
powered)
– leave the gas valve open.
2.2 Shutting down for long periods
If the boiler is to be left unused for a long period, the following
operations need to be carried out:
– press and hold the button
"WINTER mode"
the boiler into stand-by
– set the main system switch to "OFF"
or twice if in "SUMMER mode" l to put
n
for at least 1 second, once if in
y
“- -”
will appear on the display
f
If the user is away temporarily, for a weekend, short trip etc and
if the outside temperature is at ZERO:
– press and hold the button
8
ELECTRICAL HAZARD
The boiler will still be powered.
y
or twice if in "SUMMER mode"
by
once if in "WINTER mode" n
to put the boiler into stand-
l
– close the gas valve
– close the heating system isolation valves
– drain the heating system if there is the risk of freezing.
m
CAUTION
Contact the Qualified Technical Personnel if the
procedure described above cannot be easily carried
out.
Fig. 7
3 MAINTENANCE
4 DISPOSAL
3.1 Adjustments
For the appliance to operate correctly and efficiently it is
recommended that the User calls upon the services of a
Professionally Qualified Technician to carry out
maintenance.
m
3.2 External cleaning
3.2.1 Cleaning the cladding
When cleaning the cladding, use a cloth dampened with soap
and water or alcohol for stubborn marks.
d
CAUTION
Maintenance interventions must ONLY be carried out
by professionally qualified personnel who will follow
the indications authorised in the INSTALLATION AND
MAINTENANCE INSTRUCTIONS.
IT IS FORBIDDEN
to use abrasive products.
BI-ANNUAL
4.1 Disposal of the equipment (European
Once it reaches the end of its operating life, the equipment
MUST BE RECYCLED in line with current legislation.
It can be handed over to recycling centres, if there are any, or to
retailers that offer this service.
Recycling prevents potential damage to the environment and
health. It allows to recover a number of recyclable materials,
with considerable savings in terms of money and energy.
d
Directive 2002/96/CE)
IT IS FORBIDDEN
dispose of the product as urban waste.
9
5 HANDOVER INSTRUCTIONS
N°Description
1Fill in all the details on this Boiler manual.
Instruct the owner /users on the correct operation of the heating system, including how to turn the
2
systems on and off, adjust the time and temperature settings.
3Instruct how to turn the heating system off in summer and on for winter.
Locate all major components, understand their functions and how to turn them on and off, their
4
functions and how to check and turn them on or off. Simple fault resolution i.e. power on.
5Instruct how to check and remove air in the radiators. Provide a bleed key.
When done
Turn ON gas, bleed air out at the isolation valve unions. Reseal and check for gas leaks.
6
Turn gas OFF.
7Underline the importance of these SERVICE RECORDS, keeping them safe & accessible.
Recommend that the boiler should be serviced at/ before the start of winter next year and then every
8
two years.
For any needs please contact Reece Customer Care 1800 080 055 or customercare@reece.com.au.
6 SERVICE RECORDS
Service – 1 – Year 1
Service technician
Service Company
Date
Name
PIC Licence No.
Contact phone number
Work Completed
Notes
10
Service – 2 – Year 3
Date
Service technician
Service Company
Contact phone number
Work Completed
Notes
Service – 3 – Year 5
Service technician
Service Company
Contact phone number
Name
Date
Name
PIC Licence No.
PIC Licence No.
Work Completed
Notes
Service – 4 – Year 7
Service technician
Service Company
Contact phone number
Work Completed
Notes
Date
Name
PIC Licence No.
11
Service – 5 – Year 9
Date
Service technician
Service Company
Contact phone number
Work Completed
Notes
Service – 7 – Year 11
Service technician
Service Company
Contact phone number
Name
Date
Name
PIC Licence No.
PIC Licence No.
Work Completed
Notes
Service – 8 – Year 13
Service technician
Service Company
Contact phone number
Work Completed
Notes
Date
Name
PIC Licence No.
For any needs please contact Reece Customer Care 1800 080 055 or customercare@reece.com.au.
models
installation, protected against atmospheric agents. The main
elements choices made by
are:
– the total pre-mix microflame burner combined with a steel
– the sealed combustion chamber, with respect to the room
– the command and control microprocessor electronic board
Other special features of the
– use of a smoke probe to control the relative temperatures. If
– the anti-freeze function which activates automatically if the
– the anti-blocking function of the pump and diverter valve, this
– the chimney sweep function lasts 15 minutes and makes the
– domestic hot water comfort function which allows the time
– screen display of the operating and self-diagnostic
Brava Slim HE R e
heat exchanger for heating and a rapid heat exchanger for
DHW
where the boiler is installed
provides efficient management of both heating and hot water
production. It can also be connected to a remote control
with an Open Therm protocol or to room thermostat and/or
external sensor. If connected to an external sensor, the boiler
temperature varies on the basis of the external temperature
according to a selected optimal climatic curve providing
significant energy and economic savings.
the temperature exceeds 110°C the boiler will shut down in
safety status, requiring intervention of the Technical Service
department of qualified professional personnel
temperature of the water inside the boiler falls below the
threshold of the value set at parameter "PAR 10" and , if there
is an external sensor, if the external temperature falls below
the threshold of the value set at parameter "PAR 11"
activates automatically every 24 hours if no request for heat
has been made
job of the qualified technician easier when measuring the
parameters and combustion efficiency
necessary for the hot water to become available to be reduced
and ensures that the temperature is stable
parameters with error code display when the fault occurs.
This makes repair interventions easier and allows appliance
operation to be restored correctly.
are last generation condensing wall mounted
Sime
has produced for heating ONLY. Models
are designed for installation in rooms, while
are designed specifically for outdoor
Sime
for the
Brava Slim HE R
Brava Slim HE R
boilers are:
boilers
d
a
IT IS FORBIDDEN
to commission the appliance with safety devices which
do not work or which have been tampered with.
WARNING
Safety device may only be replaced by professional
Sime
qualified personnel using
original spare parts.
7.3 Identification
The
Brava Slim HE R
1 Packaging label:
packaging and provides a code, the serial number of the
boiler and the bar code
2 Technical Data Plate:
the boiler and provides the technical specification, appliance
performance and any other information required by law.
1
2
boilers can be identified by means of:
this is located on the outside of the
this is located inside the front panel of
1
2
7.2 Check and safety devices
The
Brava Slim HE R
check and safety devices:
– thermal safety thermostat 100°C
– 3 bar (300 kPa) relief valve
– heating water pressure transducer
– delivery sensor
– DHW sensor
– smoke flue gas probe.
NOTE:
the proper fan operation of this boiler is checked
electronically from the control panel. Then the use of an air
pressure switch is not required.
14
boilers are equipped with the following
KEY:
1
Packaging label
2
Technical Data Plate
m
CAUTION
Tampering with, removing or failing to display the
identification plate or carrying out any other operation
which does not allow safe identification of the product
or which may hinder installation and maintenance
operations.
Fig. 8
7.4 Structure
10
1213
232425
11
7.4.1
Brava Slim HE 20 R i
1
2
3
4
-
Brava Slim HE 40 R i
22
21
5
20
6
19
7
8
9
18
17
18
14
16
1
Heat exchanger bleed point
2
Heat exchanger
3
Combustion chamber door
4
Oversleeve
5
Flame viewing window
6
Ignition/detection electrode
7
Heat safety thermostat
8
Delivery sensor
9
Fan
10
Condensate siphon
11
Automatic by-pass
12
Control panel
13
Gas valve
14
System relief valve
15
Boiler drain
16
System pump
17
Water pressure transducer
18
Automatic bleed valve
19
Air-gas mixer
20
Expansion vessel
21
Air inlet pipe
22
Air-smoke chamber
23
Smoke flue gas probe
24
Air inlet
25
Smoke outlet
26
Coaxial duct
15
Fig. 9
15
7.4.2
Brava Slim HE 20 R e
26
24
25
23
1
2
3
4
5
-
Brava Slim HE 40 R e
22
21
20
6
7
8
9
10
11
1213
1
Heat exchanger bleed point
2
Heat exchanger
3
Combustion chamber door
4
Oversleeve
5
Flame viewing window
6
Ignition/detection electrode
7
Heat safety thermostat
8
Delivery sensor
9
Fan
10
Condensate siphon
11
Automatic by-pass
12
Control panel
13
Gas valve
14
System relief valve
15
Boiler drain
19
18
14
16
System pump
17
Water pressure transducer
18
Automatic bleed valve
19
Air-gas mixer
20
Expansion vessel
21
Air inlet pipe
22
Air-smoke chamber
23
Smoke flue gas probe
24
Air inlet
25
Smoke outlet
17
16
15
Fig. 10
16
7.5 Technical features
DESCRIPTION
-
20 R e40 R i
20 R i
CERTIFICATIONS
Country of intended installationAUS
FuelNATURAL GAS / UNIVERSAL LPG
SAI GLOBAL numberSAI-400196
Class NO
EFFICIENCY
Max useful efficiency (80-60°C)%98.598.6
Min useful efficiency (80-60°C)%97.598.6
Max useful efficiency (50-30°C)%107.0107.1
Min useful efficiency (50-30°C)%107.5107.1
COMBUSTION DATA
Smoke temperature at Max/Min flow (80-60°C)°C82/6675 / 62
Smoke temperature at Max/Min flow (50-30°C)°C59/4554 / 39
Smoke flow Max/Ming/s11.2/1.918.6 / 3.3
CO
2
at Max/Min flow rate (NATURAL GAS)%9.0/9.09.0 / 9.0
CO
2
at Max/Min flow rate (UNIVERSAL LPG)%10.0/10.010.0 / 10.0
NOZZLES GAS
Number of nozzlesNo.1
Nozzle diameter (NATURAL GAS-UNIVERSAL LPG)mm5.36.5
Gas consumption at Max/Min flow rate (NATURAL GAS)m
Gas consumption at Max/Min flow rate (UNIVERSAL
LPG)
Gas supply pressure (NATURAL GAS/UNIVERSAL LPG)
3
/h2.11/0.424.23 / 0.74
3
/h0.83/0.163.10 / 0.74
m
mbar11.3 / 27.5
kPa1.13 / 2.75
TEMPERATURE PRESSURE
Max operating temperature°C85
Heating adjustment range°C20÷80
Max operating pressure
bar3
kPa300
Water content in boilerl4.65.6
Brava Slim HE R
-
5 (< 70 mg/kWh)
40 R e
Lower Heat Output (Hs)
NATURAL GAS Hs.
37.78 MJ/m3 (15°C, 1013 mbar/101.3 kPa) -
UNIVERSAL LPG Hs.
95.65 MJ/m3 (15°C, 1013 mbar/101.3 kPa)
17
7.6 Main water circuit
12
TR
Resistance R (
080010001200600400200
100
200
300
400
500
600/60
1
2
3
4
5
11
14
151617
0°C 1°C 2°C 3°C 4°C 5°C 6°C 7°C 8°C 9°C
0°C
27279
26135
25044
24004
23014
22069
21168
20309
19489
18706
17959
17245
16563
15912
15289
14694
14126
13582
13062
8945
6247
4444
3216
2365
1766
1336
1024
12565
8622
6033
4300
3116
2296
1717
1300
998
Ω)
10°C
12090
11634
11199
10781
10382
9999
9633
6702
4751
3426
2512
1870
1411
1079
9281
6470
4595
3319
2437
1817
1373
1051
20°C
8313
8016
7731
7458
7196
5082
3653
2669
1982
1491
1137
6944
4913
3538
2589
1925
1451
1108
10
98
7
30°C
5828
5630
5440
3897
2839
2101
1577
1199
5258
3773
2753
2040
1534
1168
40°C
50°C
60°C
70°C
80°C
90°C
100°C
4161
3021
2229
1669
1266
973
4026
2928
2164
1622
1232
7.8 Expansion vessel
The expansion vessel installed on the boilers has the following
6
13
characteristics:
DescriptionU/M
Total capacityl9.010.0
Prefilling pressure
Useful capacityl5.06.0
Maximum system content (*)l124140
kPa100
bar1.0
Brava Slim HE R
20 R i
-
20
R e
40 R i-40
R e
(*) Conditions of:
Average maximum temperature of the system 85°C
Fig. 11
Start temperature at system filling 10°C.
KEY:
M System delivery
R System return
G Gas supply
Sc Condensate outlet
S Safety valve outlet
1
Condensing heat exchanger
2
Combustion chamber
3
Fan
4
Thermal safety thermostat
5
Delivery sensor
6
Automatic by-pass
7
Water pressure switch
8
Automatic bleed valve
9
Pump
10
System expansion vessel
11
Gas valve
12
Boiler drain
13
System relief valve
14
Condensate siphon outlet
15
System delivery valve
16
Gas valve
17
System return valve
7.7 Sensors
The sensors installed have the following characteristics:
– Dual sensor (thermal safety/output) NTC R25°C; 10kΩ β25°-
85°C: 3435
– domestic hot water sensor NTC R25°C; 10kΩ β25°-85°C: 3435
– external sensor NTC R25°C; 10kΩ β25°-85°C: 3435
Correspondence of Temperature Detected/Resistance
Examples of reading:
TR=75°C → R=1925Ω
TR=80°C → R=1669Ω.
18
m
CAUTION
– For systems with water content exceeding the
maximum system content (as indicated in the
table) an additional expansion vessel must be
prearranged.
– The difference in height between the relief valve
and the highest point of the system cannot exceed
6 metres. If the difference is greater than 6 metres,
increase the prefilling pressure of the expansion
vessel and the system when cold by 0.1 bar (10 kPa)
for each meter increase.
7.9 Circulation pump
The flow-head performance curve available for the heating
system is shown in the graph below.
RESIDUAL HEAD (mbar/kPa)
/50
/40
/30
/20
/10
0
m
CAUTION
The appliance is equipped with a by-pass which
ensures water circulation in the boiler when the
thermostatic valves or manual valves are used in the
system.
40Ri - 40Re
20Ri - 20Re
FLOW (l/h)
Fig. 12
7.10 Control panel
21
2
Fig. 13
1
FUNCTIONAL BUTTONS
If pressed once or more than once for at least 1 second
y
during normal operation, this button allows the user
to change the boiler operating mode in a cyclical
sequence (Stand-by – Summer – Winter). If the boiler is
experiencing a fault which can be reset, it allows boiler
operation to be unblocked. (Note: the "SUMMER" mode
is not applicable to this boiler).
In "parameter setting", the user can scroll through the
(
parameter index (decreasing) by pressing this button.
During normal operation, pressing this button displays
t
the flow temperature set point which can be between 20
and 80°C. In "parameter setting", the user can scroll
through the parameter index (increasing) by pressing
this button.
During normal operation, pressing this button allows
<
the user to reduce the flow temperature set point. In
"parameter setting/display", the user can modify the
parameter setting or value (decreasing) by pressing this
button.
During normal operation, pressing this button allows
>
the user to increase the flow temperature set point. In
"parameter setting/display", the user can modify the
parameter setting or value (increasing) by pressing this
button.
Programming connector cover plug.
c
NOTE:
pressing any one of these buttons for more than 30
seconds generates a fault on the display without preventing
boiler operation. The warning disappears when normal
conditions are restored.
2
DISPLAY
“SUMMER”
l
If the symbols
that the chimney sweep function is active.
“WINTER”
n
operating in "Winter" mode. If no operating modes have
been enabled both symbols
“RESET REQUIRED”
d
having repaired the fault, normal boiler operation can be
restored by pressing the button
“HEATING”
t
operation or during the "chimney sweep function It
flashes during the selection of the heating set point.
“BLOCK” DUE TO NO FLAME
f
“FLAME PRESENCE”
F
“POWER LEVEL”
v
the boiler is operating.
“PARAMETER”
p
parameter setting/display, or "info" or "counter", or in
"activated alarms" (history).
“ALARM”
A
number specifies the cause which generated the alarm.
“CHIMNEY SWEEP”
z
sweep function" has been activated.
“EXTERNAL SENSOR”
e
sensor has been installed and that the boiler is working
on a sliding temperature.
“HEATING SYSTEM PRESSURE”
a
pressure.
”ECO”, ALTERNATIVE ENERGY SOURCES
E
indicates that there is a solar system available.
m
CAUTION
– Access to the control panel of models
– On completion of the operations, refit the panel on
a
. The symbol for "Summer" mode is displayed.
and n are flashing, this indicates
l
. This symbol appears when the boiler is
and n will be off.
l
. The message indicates that after
.
y
. This symbol lights up during heating
.
.
. This indicates the power level at which
. This indicates that the user may be in
. This indicates that a fault has occurred. The
. This indicates that the "chimney
. This indicates that the external
. Display of heating system
. Where active, it
Brava Slim
HE 20 R e
loosening screw (1) and removing panel (2).
the control panel and secure fully.
and
Brava Slim HE 40 R e
is possible after
1
b
Fig. 14
19
7.11 Wiring diagram
230 V - 50 Hz
PI
N
BLACK
BLUE
BLACK
BLACK
CR
TA1
CN15
BLACK
BLACK
TA2
TPA
GND
RED
RED
RED
OUT
ORANGE
BLACK
SAUX
SE
3214 5 6
BROWN
L
BLUE
GREEN
BLUE
GREEN
EV
CN13CN12
CN11
CN14
5V
GREEN
BLUE
BROWN
SF
V
4 3 2 1
BLUE
BLACK
GREEN
RED
F
BLACK
BLACK
CN2
CN3
BLUE
BLUE
TS
EAR
m
CD. 6302285
CN17
TRA
L
Line
N
Neutral
F
Fuse (3.15AT)
TRA
Ignition transformer
PI
System pump
V
Fan
EAR
Ignition / Detection electrode
EV
Gas solenoid valve
SM
Delivery sensor
To connect the "Air Thermostat" or, alternatively the "Remote Control", remove the bridge
between terminals 5-6.
CAUTION
Users must:
– Use an omnipolar cut-off switch, disconnect switch
in compliance with AS/NZS Standards
– Respect the connections L (Live) - N (Neutral)
– Ensure that the special power cable is only replaced
with a cable ordered as a spare part and connected
by professionally qualified personnel
– Connect the earth wire to an effective earthing
system. The manufacturer is not responsible for any
damage caused by failure to earth the appliance or
failure to observe the information provided in the
wiring diagrams.
CN6
CN5
d
CN4CN1
RED
GREEN
SAUX
Auxiliary sensor
TS
Safety thermostat
TFU
Thermal fuse
SF
Smoke flue gas probe
TPA
Pressure transducer
TA1-TA2
SE
External sensor
SM
BLACK
BLUE
Air thermostat
TFU
IT IS FORBIDDEN
To use water pipes for earthing the appliance.
Fig. 15
20
INSTALLATION AND SERVICING INSTRUCTIONS
TABLE OF CONTENTS
8 INSTALLATION 22
8.1 Receiving the product ...........................22
8.2 Dimensions and weight..........................22
13.5 Remove/replace combustion head unit and fan . . . . . . 51
13.6 Remove/replace the ignition and flame detection
electrode .....................................52
13.7 Remove/replace the siphon ......................52
13.8 Remove/replace gas valve .......................53
13.9 Remove/replace the expansion vessel .............53
13.10 Remove/replace system pump....................54
21
8 INSTALLATION
H
m
CAUTION
The appliance must be installed by the Sime Technical
Service only, or by a qualified professional.
8.1 Receiving the product
Brava Slim HE R
protected by cardboard packaging.
Open the cardboard packaging, with appropriate tool and pull
out the boiler.
The plastic bag found inside the packaging contains the
following:
– Installation, use and maintenance manual
– Paper template for boiler installation
– Certificate of warranty
– Hydrostatic test certificate
– System booklet
– Bag with expansion plugs
d
IT IS FORBIDDEN
Do not leave packaging material around or near
children since it could be dangerous. Dispose of it as
prescribed by legislation in force.
appliances are delivered in a single unit
Fig. 16
8.2 Dimensions and weight
Description
W (mm)400450400450
D (mm)250256250303
H (mm)700917700917
Weight (kg)28.530.030.032
20 R i20 R e40 R i40 R e
Brava Slim HE R
8.3 Handling
Once the packaging has been removed, the appliance is to
be handled manually, tilting it slightly, lifting it and applying
pressure in the points indicated in the figure.
Fig. 18
d
a
IT IS FORBIDDEN
To grip the appliance casing. Hold the "solid" parts of
the appliance such as the base and structural frame.
WARNING
Use suitable tools and accident protection when
removing the packaging and when handling the
appliance. Observe the maximum weight that can be
lifted per person.
8.4 Installation room
The room where the appliance is to be installed must comply
with the Technical Regulations and Legislation in force.
The minimum temperature of the installation room must NOT
-5 °C
be lower than
m
W
22
D
Fig. 17
CAUTION
Remember to consider the space needed in order to
access the safety/adjustment devices and to carry out
maintenance interventions (see Fig. 19).
.
APPROXIMATE MINIMUM DISTANCES
≥ 300 mm
≥ 900 mm
≥ 50 mm
Before removing an old heat generator from an existing system,
it is recommended that the user:
– puts a descaling additive into the water system
– allows the system to work with the generator active for a few
days
– drains the dirty water from the system and flushes the system
with clean water once or more than once.
If the old generator has already been removed or is not available,
replace it with a pump to circulate water in the system and then
proceed as described above.
Once cleaning operations have been carried out and before
installing the new appliance, it is recommended that a fluid
is added to the water system to protect it from corrosion and
deposits.
Fig. 19
m
CAUTION
These minimum clearances must be maintained
also in consideration of outdoor installations in
confined spaces (e.g. alcoves).
8.5 New installation or installation of a
replacement appliance
When
Brava Slim HE R
systems requiring updating, it is recommended the installer
checks with appliance supplier for advice:
– the connecting flue pipe is suitable for the combustion
temperature of the appliance, calculated and manufactured
in compliance with Standards, current editions, that it is as
straight as possible, air tight, isolated, with no obstructions or
restriction and that it has appropriate condensate collection
and evacuation systems
– the electrical system has been manufactured in compliance
with specific Standards and by professionally qualified
personnel
– the fuel delivery line and the tank (LPG) comply fully with
specific Standards
– the expansion vessel ensures total absorption of the fluid
dilation in the system
– the pump flow-head performance is sufficient for the system
characteristics
– the system is clean, free of any sludge, deposits, de aerated
and air tight. For system cleaning, please refer to the relevant
paragraph.
boilers are installed on old systems or
m
CAUTION
For further information on the type of additive and
usage, please contact the appliance manufacturer.
8.7 Water system treatment
When filling and restoring the system it is good practice to use
water with:
– aspect: clear if possible
– pH: 6÷8
– hardness: < 25°f.
If the water characteristics are different from those indicated, it
is recommended that a safety filter is used on the water delivery
pipe to retain impurities, and a chemical treatment system to
protect against possible deposits and corrosion which could
affect boiler operation.
If the systems are only low temperature systems, it is
recommended that a product is used to prevent the development
of bacteria.
In any case, please refer to and comply with Legislation and
specific Technical Standards in force.
8.8 Boiler installation
Brava Slim HE R
installation onto a solid wall.
For installation:
– remove the cladding (only on models
Brava Slim HE 40 R e
– place the steel sheet template (2) (if supplied) on the wall (1)
– make the holes and insert the expansion plugs (3)
– hook the boiler onto the plugs.
boilers leave the factory with a template for
Brava Slim HE 20 R e
)
3
and
1
m
d
CAUTION
Gas pipe sizing, flue installation and appliance
ventilation must comply with AS/NZS 5601.
IT IS FORBIDDEN
Do not install the boiler in special environments
that may limit its optimum operation (e.g. marine
environment).
8.6 Cleaning the system
Before installing the appliance on a newly constructed system or
replacing a heat generator on an existing system, it is important
that the system is thoroughly cleaned to remove sludge, slag,
dirt, residue etc.
2
Fig. 20
23
m
m
CAUTION
– The wall on which the appliance is to be hung must
be of adequate strength and capable of holding the
weight of the appliance and associated components
and pipework.
CAUTION
– The height of the boiler is to be such that disassembly
and maintenance interventions are facilitated.
8.9 Plumbing connections
The plumbing connections have the following characteristics
and dimensions.
Brava Slim HE 20 R i
49
Sc
130130==
M
Brava Slim HE 20 R e
-
40 R i
GR
400
-
40 R e
Sc
93
212
Fig. 21
8.10 Condensate outlet/collection
In order to collect the condensate, it is recommended that:
– the appliance condensate outlets and the smoke outlet are
ducted
– a neutralising device is prearranged
>3%
– the outlet incline is
m
CAUTION
– The condensate outlet duct must be airtight,
suitably sized to that of the siphon and must not be
restricted at any point.
– The condensate outlet must be constructed in full
compliance of the National or Local regulations in
force.
– Before commissioning the appliance, fill the siphon
with water.
.
8.11 Gas supply
Brava Slim HE R
NATURAL GAS
the need for any type of mechanical conversion. Select
parameter
the type of gas to be used.
If changing the type of gas to be used, carry out the entire
appliance
Boiler connection to the gas mains must be carried out in full
compliance with installation Standards in force.
Before connecting the boiler to the gas mains, the user must
ensure that:
– the type of gas is correct for the appliance
– the pipes are clean
– the gas supply pipe is the same dimension as or greater than
that of the boiler fitting (G3/4") and with a load loss less than
or equal to that contemplated between the gas mains and the
boiler.
boilers leave the factory prearranged for gas
and can also work with
”03”
(see “Parameter setting and display") and set
“COMMISSIONING”
phase.
Universal LPG
without
73
Sc
130
M
Description
M - System deliveryØ 3/4" G
R - System returnØ 3/4" G
G - Gas supply (*)Ø 3/4" G
Sc - Condensate outletØ 25 mm
(*) Brass adaptor for gas connection supplied. G3/4" to R3/4".
130==
GR
450
20 R i20 R e40 R i40 R e
97
175 (20 R e)
216 (40 R e)
Brava Slim HE R
Sc
Fig. 22
a
m
WARNING
Once installation has been completed, check that
the joints are air tight as indicated in the installation
Standards.
CAUTION
It is recommended that the gas line has a suitable
filter.
24
8.12 Connecting the flue
8.12.1 Flue Terminal Positions
a
j
w
f
DESCRIPTION
Flue terminalT
Mechanical air inletI
Gas meterM
Electricity meter of fuse boxP
Shaded area indicates prohibited area
Below eaves, balconies and other projections (Appliances over 50MJ/h)a300
From the ground, above a balcony or other surfaceb300
From a return wall or external cornerc300
From a gas meterd1000
From an electricity meter or fusebox/breaker panele500
From a drain pipe or soil pipef75
Horizontally from any building structure or obstruction facing a flue terminalg500
From any other flue terminal, cowl or combustion air intakeh300
Horizontally from any opening window, door, non-mechanical air inlet or other opening into a building
with the exception of sub-floor ventilation
From a mechanical air inlet including a spa blower.k1000
Vertically below an opening window, non-mechanical air inlet or any other opening into a building with
the exception of sub-floor ventilation
n
I
c
k
jj
Door
k
h
T
h
h
T
g
e
e
P
d
d
M
j300
n500
c
g
b
Brava Slim HE R
Min. Clearance (mm)
T
Fig. 23
m
m
CAUTION
–
Use as a guide only. See AS/NZS5601 for flue design
details.
–
Refer to AS/NZS5601, current version, or local gas
fitting rules for specific locations.
CAUTION
– The location of the flue terminal must comply with
the clearances shown on this page. If you are unsure
about clearances not indicated here, in general refer
to AS/NZS 5601, or your local authority.
m
CAUTION
– All measurements are the minimum clearances
required.
– Terminals must be positioned so to avoid combustion
products entering the building.
– When the installer installs the flue through a
wall, the wall must be adequately sealed and the
hole must not affect the building structure or fire
resistance.
– Install a fire proof back board if installing on
combustible surfaces.
– The fixing method and the wall structure must be
sufficient to hold the weight of the boiler.
25
8.12.2 Installation of coaxial flues 60/100mm –
max 0.5 m
max 0.5 m
C33
C13
C13
C33
80/125mm
Coaxial flue kits that are supplied separately. The diagrams
below, illustrate some examples of fluing options allowed and
the maximum lengths than can be achieved. It is essential that
a flue gas analysis point is made available directly above the
boiler.
8.12.3
Permitted outlets
Brava Slim HE 20 R i
-
40 R i
8.12.4 Coaxial duct (Ø 60/100mm and Ø 80/125mm)
Description
Coaxial duct kit80962508096253
Extension W. 1000 mm80961508096171
Extension W. 500 mm80961518096170
Vertical extension W. 140 mm
with smoke analysis take-off
point
Concentric wall smoke outlet The pipes can
start from the boiler but the outlets must be
concentric or close together (no more than 50
cm) to be subject to similar wind conditions.
C33
Concentric roof smoke outlet The pipes can
start from the boiler but the outlets must be
concentric or close together (no more than 50
cm) to be subject to similar wind conditions.
m
WARNINGS
– The smoke flue and the connection to the flue pipe
must be in compliance with the national and local
Standards and Legislation in force.
– The use of rigid ducts which are resistant to
temperature, condensate, mechanical stress and
are air-tight is compulsory.
– Outlet ducts which are not isolated are a risk of
danger.
Fig. 24
26
8.12.5
302 ( 20 R e)
247 ( 40 R e)
450
OFF
1
The boilers
supplied already complete with coaxial ducts for smoke outlet
and combustion air inlet.
Brava Slim HE 20 R e
Brava Slim HE 20 R e
1
6
-
40 R e
and
Brava Slim HE 40 R e
2
3
are
4
5
8.13 Electrical connections
The boiler is equipped with a ready wired power cable which is
to be connected to a 230V~50 Hz network.
If this cable needs to be replaced, an original spare must be
Sime
requested from
Therefore only the connections of the original components
as shown in the table are needed. These are to be ordered
separately from the boiler.
DESCRIPTIONCODE
External sensor kit (ß=3435, NTC 10KOhm at 25°C)8094101
Remote control HOME (open therm)8092280
Remote control HOME PLUS (open therm)8092281
.
KEY:
1
90° coaxial bend
2
Coaxial duct (supplied, but not fitted)
3
Air inlet
4
Smoke outlet
5
Outlet terminal (supplied, but not fitted)
6
Take-off point for smoke analysis
176
110
Fig. 25
m
a
To facilitate introduction of the connection wires of the optional
components into the boiler:
– disassemble the smoke outlet duct of the
– remove the screws (1), pull the front panel (2) forwards and
CAUTION
The maintenance interventions described must ONLY
be carried out the professionally qualified personnel.
WARNING
Before carrying out any interventions described:
– set the main system switch to "OFF"
– close the gas valve
– make sure that no hot parts inside the appliance are
touched.
Brava Slim HE 20 R e
Brava Slim HE 40 R e
and
release it from the top by lifting it
, if fitted
Fig. 27
2
Ø 60/100
Fig. 26
Fig. 28
27
– remove the screws (3) securing the control panel (4)
3
20151050-10-15-5-20
°C
– move the panel (4) upwards (a) but keeping it in the side
guides (5) to the end of travel
– bring it forwards and down (b) until it is horizontal
4
b
a
5
m
(*) The manufacturer is not responsible for any damage
d
CAUTION
It is compulsory:
– to use an omnipolar cut-off switch, disconnect
switch in compliance with AS/NZS Standards
– if the power cable is to be replaced, that ONLY
a special cable is used with a factory produced
re-wired connector, ordered as a spare part and
connected by a professionally qualified person
– to connect the earth wire to an effective earthing
system (*)
– that before any intervention on the boiler, the mains
power is disconnected by setting the main system
switch to "OFF".
caused by failure to earth the appliance or failure to
observe the information provided in the wiring diagrams.
IT IS FORBIDDEN
To use water pipes for earthing the appliance.
Fig. 29
– insert the connection wires into the cable gland (6) and the
opening (7) on the control panel
6
7
Fig. 30
– bring the control panel (4) to the original position and secure
it with the screws (3) which were removed previously
– connect the component wires to the terminal board (8)
following the indications provided on the data plate (9).
8.13.1 External sensor
The boiler is prearranged for connection to an external air
temperature sensor and can operate with a sliding temperature.
This means that the delivery temperature sent to the boiler can
vary on the basis of the external temperature depending on the
climatic curve selected from those shown in the diagram (Fig.
32).
When fitting the sensor on the outside of the building, follow
the instructions provided on the packaging of the product itself.
Climatic curve
Delivery temperature
90
80
70
60
50
40
30
20
K=9K=6 K=4.5K=3
K=2.2
K=1.5
K=0.75
°C
External temperature
4
9
8
CR-TA
SE
SAUX
28
6
5
4
3
2
1
3
Fig. 31
m
Fig. 32
CAUTION
If there is an external sensor, in order to select the
optimal climatic curve for the system and therefore
the delivery temperature based on the external
temperature:
– press the button
– press buttons
been selected (within the range
for 1 second
t
or < until the required curve K has
>
K=0.0 - K=9.0
).
8.13.2 Chrono-thermostat or Air Thermostat
CR
SE
SE
The electrical connection of the chrono-thermostat or air
thermostat has already been described. When fitting the
component in the room where the readings are to be taken,
follow the instructions provided with the device.
MULTI ZONE system - with zone valve, air thermostat and
external sensor.
8.13.3 EXAMPLE of use of the command/control device
on some types of heating systems
KEY
M System delivery
R System return
CR Remote control
SE External sensor
TA÷TA3 Air thermostat for the zone
VZ1-VZ3 Zone valves
RL1-RL3 Zone relays
P1-P3 Zone pump
SP Hydraulic separator
ONE DIRECT ZONE system , external sensor and air thermostat.
SE
M
R
TA
TA
M
m
TA1
R
VZ1VZ2VZ3
TA2TA3
Fig. 35
CAUTION
Set the parameter "tS 17 = DELAY SYSTEM PUMP
ACTIVATION to allow the opening of zone valve Vz.
Fig. 33
MULTI ZONE system - with pump, air thermostat and external
sensor.
TA
TA1
RL1
M
R
SP
TA2
RL2RL3
TA3
P2P1
P3
Fig. 34
29
8.14 Refilling or emptying
Before carrying out the operations described below, make
sure that the main system switch is set to "ON" in order for the
display to show the pressure level in the system during refilling.
Make sure that the operating mode is set to "Stand-by";
the case, press the button
for at least 1 second until this
y
mode has been selected.
ON
if this is not
63
Fig. 36
8.14.1 REFILL operations
Remove the front panel:
– disassemble the smoke outlet duct of the
Brava Slim HE 40 R e
and
, if fitted
– remove the two screws (1), pull the front panel (2) forwards
and release it from the top by lifting it.
2
Brava Slim HE 20 R e
1
Fig. 37
NOTE:
to completely remove all air from the system, it is
recommended that this operation is repeated a number of times.
– check the pressure on the display and if necessary top up until
the correct pressure reading appears
– close the automatic bleed valve (3)
– fill the siphon disconnecting it from the pipe or using (by
means of) the smoke take-off point.
Refit the front panel of the boiler hooking it on at the top,
pushing it forwards and securing it with the screw (1) which was
removed previously.
Fit the smoke outlet duct of the
Slim HE 40 R e
.
Brava Slim HE 20 R e
8.14.2 EMPTYING operations
Boiler:
– loosen the automatic bleed valve (3)
– close the heating circuit isolation valves
– check that the filling valve is closed
– connect a rubber hose to the boiler drain valve (7) and open it
– when it has fully emptied, close the drain valve (7)
– close the automatic bleed valve (3).
and
Fig. 38
Brava
Heating circuit:
– open the isolation and air bleeding valves in the highest points
of the system
– loosen the automatic bleed valve (3)
– open the isolation valves of the heating circuit (if present)
– Open the filling valve, which should be on the system return
– Fill until the water overflows from the air bleeding valves and
shut off the valves again
1-1.2
– Continue filling until the pressure reaches
bar (100-120
kPa) as shown on the display
– close the filling valve
– check that there is no air in the system by bleeding all the
radiators and the circuit on the high points of the system
– remove the front plug (6) of the pump and use a screwdriver
to check that the impeller is not blocked
– replace the plug (6)
30
3
7
Fig. 39
9 COMMISSIONING
9.1 Preliminary operations
Before commissioning the appliance, check that:
– the type of gas is correct for the appliance
– the gas isolation valves for the heating system and the water
system are open
– the pump impeller rotates freely
– the siphon has been filled
– the flue is fitted correctly.
9.2 Before commissioning
After having carried out the preliminary operations, perform the
following to start the boiler:
– set the main system switch to "ON"
ON
– as soon as the symbols begin to flash, release the buttons <
and press the button y,
and
>
– the "Automatic self-calibrating procedure" starts
ensure that the system isolation valves are open
–
adjust the room thermostat to request status, at a high value
– the values flash on the display:
followed by an "intermediate value" and finally
value)
within 3 seconds
“100”
(maximum value),
“00”
(minimum
Fig. 40
– the type of gas for which the boiler has been calibrated,
“LG”
(methane) or
After this the correct representation of the symbols will be
checked and finally
– check that the system pressure as shown on the pressure
gauge when the system is cold , is between
and 120 kPa)
– press the button y twice to select "WINTER mode" n.
the value of the delivery sensor detected at that moment will
appear on the display
(LPG,) will appear followed by the power.
“- -”
will appear on the display
1 and 1.2 bar (100
“nG”
The operator must wait for approximately 15 minutes for the
"self-calibrating procedure" to end and the message "WINTER
mode"
Once the procedure has terminated:
– stop the heating request by adjusting the room thermostat.
if there is a fault, the message
the fault code (eg.
d
m
– adjust the air thermostat and check that the boiler starts and
operates correctly
– carry out the procedure "Chimney sweeper function",
to check the mains gas pressure, detect the combustion
parameters and to measure the combustion efficiency
required by legislation in force.
to reappear on the display.
n
“ALL”
will appear on the display,
“06”
- no flame detected) and the message
.
CAUTION
To restore the start conditions press and hold the
button
can be performed up to a maximum of 6 times without
the "self-calibrating procedure" being interrupted.
for more than 3 seconds. This operation
y
9.2.1 Self-calibrating procedure
Carry out the "Automatic self-calibrating procedure" as follows:
– press and hold down the buttons
approximately 12 seconds until the flashing symbols
appear on the display
n
and > at the same time for
<
l
and
31
9.3 Parameter setting and display
To go into the parameter menu:
– from the selected mode (eg. WINTER)
– once the required parameter has been reached, press the
buttons
or <to modify the value within the permitted range.
>
The modifications are stored automatically.
– press the buttons ( and t (for approximately 5 seconds)
at the same time until
“PAR 01”
(parameter number) and the
value set (0-4) appears on the display
– press the button t to scroll up the list of parameters and
then
NOTE:
to scroll down the list
(
holding the buttons ( or t increases the speed of the
When all the parameter modifications have been made, exit the
parameter menu by pressing and holding down the buttons
at the same time
and
t
NOTE:
In case of power failure all settings are stored.
until the initial screen is displayed.
scrolling movement.
9.4 List of parameters
TypeNo.DescriptionRangeU/MStepDefault
CONFIGURATION
PAR01
PAR02
PAR03
PAR04
PAR08External sensor value correction-5 .. +5°C10
PAR09Ignition fan speed80 .. 160RPMx251128
PAR10Boiler Antifreeze Threshold0 .. +10°C13
PAR11
PAR12Heating Curve Incline0 .. 80-120
PAR13Minimum Heating Temperature Adjustment20 .. PAR 14°C120
PAR14Maximum Heating Temperature AdjustmentPAR 13 .. 80°C180
PAR15Maximum power heating0 .. 100%1100
PAR16Heating Post-Circulation Time0 .. 99
PAR17Heating Pump Activation Delay0 .. 60
PAR18Re-ignition Delay0 .. 60Min13
PAR21Minimum power heating/domestic hot water (premixed)0 .. 100%10
PAR23
Index showing boiler power in kW
1 = 25; 2 = 30; 3 = 35; 4 = 40
Hydraulic configuration
0 = rapid
1 = storage tank with thermostat or heating only
2 = hot water tank with sensor
3 = bithermic
4=instant with solar power input
5 = open vent
6 = boiler with heat pump
Gas Type Configuration
0 = NATURAL GAS; 1 = UNIVERSAL LPG
Combustion configuration
0 = sealed chamber with combustion control
DOMESTIC HOT WATER - HEATING
External Sensor Antifreeze Threshold
-- = Disabled
External relay 1 function
0 = not used; 1 = remote alarm NO; 2 = remote alarm NC; 3 = zone
valve; 4 = automatic filling; 5 = external request; 6 = recirculation
pump; 7 = zone valve with OT; 8 = relaunch pump; 9 = boiler with heat
pump (circulator)
1 .. 4-11 or 4
0 .. 6-11
0 .. 1-10
---0
-9 .. +5°C1-2
seconds
x 10
seconds
x 10
0 .. 9--0
13
10
(
32
TypeNo.DescriptionRangeU/MStepDefault
OFF
External relay 2 function
PAR24
PAR25
PAR26Zone Valve / Pump Relaunch Delay0 .. 99Min11
PAR29
PAR35
PAR40Modulating Pump Speed
PAR41∆T Modulating pump delivery/Return10 .. 40°C120
PAR42Select heat pump or boiler convenience (only if PAR 02 = 6)-20 .. 30°C-5
PAR43Heat pump boiler aid activation delay (only if PAR 02 = 6)1 .. 60Min-3
PAR47
PAR48INST Parameter set to default0 .. 1--0
0 = not used; 1 = remote alarm NO; 2 = remote alarm NC; 3 = zone
valve; 4 = automatic filling; 5 = external request; 6 = recirculation
pump; 7 = zone valve with OT; 8 = relaunch pump; 9 = boiler with heat
pump
Auxiliary TA function
0 = according to TA
1 = TA Antifreeze
2= domestic hot water disabled
Anti-legionella Function (Only hot water tank)
-- = Disabled
Digital / analogue Pressure switch
0 = water pressure switch
1 = water pressure transducer
2 = water pressure transducer (only pressure displayed)
System pump forcing (only in winter mode)
0 = Disabled
1 = Enabled
RESET
0 .. 9--0
0 .. 2-10
50 .. 80-1--
0 .. 2-11
-- = No modulation
AU = Automatic 30
.. 100
0 .. 1-10
%10AU
In the event of a fault/malfunction the message
on the display with the alarm number eg.
“ALL”
“ALL 05”
will appear
(Domestic
Hot Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting the
main switch to "OFF"
Fig. 41
– as a precautionary measure, close the gas isolation valve.
Repair the fault and start-up the boiler again.
NOTE:
after having repaired the fault, when the alarm number
appears on the display together with the message
(see figure), press the button
for approximately 3 seconds
y
d
to start the appliance up again.
9.5 Fault / malfunction codes
TypeNo.Description
AL02Low water pressure in system
AL05Delivery sensor fault
AL06No flame detection
AL07Safety thermostat intervention
AL08Fault in the flame detection circuit
AL09No water circulating in the system
AL10Auxiliary sensor fault
AL11Gas valve modulator disconnected
AL12Incorrect configuration of the open /sealed chamber
AL13Smoke probe intervention
AL14Smoke probe fault
AL15Fan check cable disconnected
AL18Condensate level fault
AL28Maximum number of consecutive releases
ALL30Return sensor (SR) fault
AL37Fault due to low network voltage
AL40Incorrect network frequency detected
AL41Flame loss more than 6 consecutive times
AL42Button fault
AL43Open Therm communication fault
ALL44No flame valve opening time sum anomaly
AL62Self-calibrating procedure is required
AL72Incorrect positioning of the delivery sensor
ALL77EV2 SGV current max/min absolute limits error
ALL78EV2 SGV current upper limit error
ALL79EV2 SGV current lower limit error
33
TypeNo.Description
ALL80
AL81Block due combustion during start-up
ALL82Block due to numerous combustion control failures
AL83Irregular combustion (temporary error)
ALL84
ALL88Internal error (board component protection)
ALL89Unstable combustion feedback signal error
ALL90Combustion set cannot be reached error
ALL92
ALL93Combustion set cannot be reached error
ALL95Flame signal micro interruptions error
AL96Block due to clogging in smoke outlet
ALL98SW error, board start-up
ALL99General board error
Fault on the valve control logic line/valve cable
damaged
Flow rate reduced for (presumed) low pressure on
mains gas
System has reached maximum air correction error
(at the minimum flow rate)
9.6 Display of operating data and counters
Once the boiler is operating a qualified technician can view the
operating data and the counters as follows:
– from the operating screen in the "WINTER mode
– go into
same time
“DISPLAY”
by pressing the buttons ( and <
for more than 3 seconds until the following screen
appears
n
"
at the
– Once in this section, proceed with button t or (.
When all the values have been displayed, exit the menu by
pressing and holding down the button yfor approximately 5
seconds until the initial screen is displayed.
TABLE OF INFORMATION DISPLAYED
TypeNo.Description
PAR00SW version
PAR01External sensor
PAR02
PAR03Smoke probe
PAR05AUX auxiliary sensor
PAR06
PAR07Power level
PAR08Flow meter rate
PAR09
PAR10
Delivery sensor
temperature
Actual heating SET
temperature
Water pressure
transducer reading
Display of current
fan revolutions
Range
- 9 ..
99
- 9 ..
99
- 9 ..
99
- 9 ..
99
Pa r.
13 …
Pa r.
14
0 ..
99
0 ..
99
0 ..
99
0 ..
RPM x 1001
99
U/MStep
°C1
°C1
°C1
°C1
°C1
%1
l/min0.1
bar0.1
From this point, the technician has 2 options:
– scroll through the list of
(PARc)”
by pressing the button t. Scrolling will be in sequence
– display the
the button
34
“activated alarms”
(
“information (PAR)”
(no more than 10) by pressing
and
“counters
TABLE OF COUNTER DISPLAYED
TypeNo.Description
PARc0
PARc1
PARc2
PARc3total no. faults
PARc4
PARc5
PARc6
total no. of boiler
operating hours
total no. of burner
operating hours
total no. of burner
ignitions
total no. of times
installer parameters
"ALL"accessed
total no. of times
OEM parameters
accessed
time unitl next
maintenance
intervention
Range
0 ..
99
0 ..
99
0 ..
99
0 ..
99
0 ..
99
0 ..
99
1 ..
199
U/MStep
0.1; from
h x 1000
h x 1000
h x 1000
x 11
x 11
x 11
months1
0.0 to 9.9;
1; from 10
to 99
0.1; from
0.0 to 9.9;
1; from 10
to 99
0.1; from
0.0 to 9.9;
1; from 10
to 99
TABLE OF ACTIVATED ALARMS/FAULTS
3
TypeNo.Description
PARA0Last activated alarm/fault
PARA1Last but one activated alarm/fault
PARA2Third from last activated alarm/fault
PARA3Previous activated alarm/fault
PARA4Previous activated alarm/fault
PARA5Previous activated alarm/fault
PARA6Previous activated alarm/fault
PARA7Previous activated alarm/fault
PARA8Previous activated alarm/fault
PARA9Previous activated alarm/fault
– close the gas valve
– loosen the screw of the "mains pressure" point (6) and connect
a pressure gauge
9.7 Checks after commissioning
9.7.1 Chimney sweeper function
The chimney sweeper function is used by the qualified
maintenance technician to check the mains gas pressure, detect
the combustion parameters and to measure the combustion
efficiency required by legislation in force.
This function lasts 15 minutes and is activated by proceeding
as follows:
– disassemble the smoke outlet duct of the
Brava Slim HE 40 R e
and
– if the panel (2) has not already been removed, remove the
two screws (1), pull the front panel (2) forwards and release it
from the top by lifting it
2
, if not already removed
Brava Slim HE 20 R e
6
– open the gas valve
– power the boiler by setting the main switch to "ON"
– press the button y for at least 1 second until "SUMMER"
mode
– press and hold down the buttons
for approximately 10 seconds until the message “Hi” appears
on the display together with the flashing symbols
has been selected
l
ON
and > at the same time
<
l
Fig. 44
Fig. 45
and
n
1
Fig. 42
– remove the screws (3) securing the control panel (4)
– move the panel (4) upwards (a) but keeping it in the side
guides (5) to the end of travel
– bring it forwards and down (b) until it is horizontal
4
b
a
5
Fig. 43
– press the button > to make the boiler operate at maximum
power "Hi" and check that the mains gas pressure value on the
pressure gauge is correct. Take a reading of the combustion
data and measure the combustion efficiency.
– press the button
power "Lo". The message
together with the flashing symbols
to make the boiler operate at minimum
<
“Lo”
will appear on the display
and
l
n
35
– take the combustion data reading
– press the button
Procedure”. The boiler water delivery temperature will
appear on the display
– disconnect the pressure gauge, carefully close the pressure
point (6), put the control panel back to the original position
and refit the front panel (2).
Gas supply pressure
Type of gasNATURAL GASUNIVERSAL LPG
Pressure (mbar/kPa)11.3/1.1327.5/2.75
to exit the "Chimney sweeper
y
9.8 Gas conversion
Brava Slim HE R
UNIVERSAL LPG without the need for any mechanical
conversion. Select parameter
and display") and set the type of gas to be used.
If changing the type of gas to be used, carry out the entire
appliance
models can work with NATURAL GAS or
“COMMISSIONING”
”PAR 03”
phase.
(see "Parameter setting
36
10 MAINTENANCE
OFF
1
3
10.1 Adjustments
For the appliance to operate correctly and efficiently it is
recommended that the User calls upon the services of a
Professionally Qualified Technician to carry out
maintenance.
m
a
CAUTION
The maintenance interventions described must ONLY
be carried out the professionally qualified personnel.
WARNING
Before carrying out any interventions described:
– set the main system switch to "OFF"
– close the gas valve
– make sure that no hot parts inside the appliance are
touched.
ANNUAL
Fig. 46
10.3 Cleaning the inside of the appliance
10.3.1 Removing components
To access the internal parts of the boiler:
– disassemble the smoke outlet duct of the
Brava Slim HE 40 R e
and
– remove the screws (1), pull the front panel (2) forwards and
release it from the top by lifting it
2
, if fitted
Brava Slim HE 20 R e
10.2 External cleaning
10.2.1 Cleaning the cladding
When cleaning the cladding, use a cloth dampened with soap
and water or alcohol for stubborn marks.
d
IT IS FORBIDDEN
to use abrasive products.
Fig. 47
– remove the screws (3) securing the control panel (4)
– move the panel (4) upwards (a) but keeping it in the side
guides (5) to the end of travel
– bring it forwards and down (b) until it is horizontal
4
b
a
5
Fig. 48
37
– loosen the clips (6) and extract the air inlet pipe (7)
10
6
6
7
8
– unscrew the swivel joint (8)
– extract the connectors (9) from the fan and disconnect the
electrode cable (10)
9
m
CAUTION
Work carefully when removing the assembly (13) to
prevent any damage occurring to the internal insulation
of the combustion chamber and the door seal.
For more details refer to the drawings in the spare
parts catalogue.
10.3.2 Cleaning the burner and the combustion
chamber
The combustion chamber and the burner do not require any
particular maintenance. Simply brush them with a soft brush.
10.3.3 Checking the ignition/detection electrode
Check the state of the ignition/detection electrode and replace
if necessary. Check the measurements as per the drawing
whether the ignition/detection electrode is replaced or not.
+0.5
6
+0.5
-0.5
4.5
-0.5
Fig. 51
Fig. 49
– Unscrew the four nuts (11) securing the combustion chamber
door (12)
– pull the fan-sleeve-door assembly (13) forwards and remove
it.
12
11
10.3.4 Final operations
After having cleaned the combustion chamber and the burner:
– remove any carbon residue
– check that the seal and the insulation of the door (12) to the
combustion chamber are integral. Replace if necessary
– refit the assembly by carrying out the same operations for
removal but in the reverse order and tighten the screws (11)
of the door to the combustion chamber
– reconnect the connections to the fan and the electrode.
10.4 Checks
10.4.1 Checking the smoke duct
It is recommended that the user checks that the combustion air
inlet duct and smoke outlet duct are integral and airtight.
10.4.2 Checking the expansion vessel pressure
It is recommended that the expansion vessel on the water side
is drained and that the prefilling pressure is not less than
(100 kPa)
(see sectionExpansion vessel".
Once the checks described above have been completed:
– refill the boiler as described in section "REFILL operations"
– check that the siphon has been filled correctly
– Start the boiler, activate the "Chimney sweeper function" and
– refit the front panel securing it with the two screws which
. If this is not the case, pressurize it to the correct value
carry out a smoke analysis and/or measure the combustion
efficiency
were removed previously.
1 bar
11
13
38
Fig. 50
10.5 Unscheduled maintenance
If replacing the
parameters as indicated in the table.
Type
No. Description
PAR01
PAR02
PAR03
To enter "Parameter setting and display"refer to the indications
provided in the specific section.
Once the parameters in the table have been set, you must carry
out the entire phase of "Self-calibrating procedure" described
in the specific section.
gas valve
If the
burner
, and/or the
the entire phase of "Self-calibrating procedure" described in
the specific section.
electronic board
Index showing boiler
power in kW
1 = 20; 2 = 30; 3 = 35;
4 = 40
Hydraulic
configuration
0 = rapid
1 = storage tank with
thermostat or heating
only
2 = hot water tank with
sensor
3 = bithermic
4=instant with solar
power input
5 = open vent
6 = boiler with heat
pump
Gas Type Configuration
0 = NATURAL GAS; 1 =
UNIVERSAL LPG
and/or the
ignition/detection electrode
fan
are replaced, the user must still carry out
, the user MUST set the
Setting for
20 R i20 R e 40 R i40 R e
Brava Slim HE R
14
1
0 or 1
, and/or the
10.6 Possible faults and solutions
LIST OF MALFUNCTION/FAULT ALARMS
TypeNo.FaultSolution
ALL02
ALL03
ALL05Delivery sensor fault
ALL06No flame detection
ALL07
ALL08
Low water pressure
in system
High water pressure
in system
Sensor or safety
thermostat
intervenes
Fault in the flame
detection circuit
- Restore pressure
- Check for any leaks in the
system
- Empty the system via the
drain valve on the hydraulic
assembly and bring the
pressure to approximately
1.2 bar (120 kPa)
- Check connections
- Replace the sensor
- Check the integrity of the
electrode and check that it
is not grounded
- Check gas availability and
pressure
- Check the integrity of the
gas valve and the card
- Check the sensor or
thermostat connections
- Deaerate the system
- Check the bleed valve
- Replace the sensor or the
thermostat
- Check that the pump
impeller is not blocked
- Check the integrity of the
electrode and check that it
is not grounded
- Check gas availability and
pressure
- Check the integrity of the
gas valve and the card
TypeNo.FaultSolution
- Check the rotation of the
ALL09
ALL11
ALL12
ALL13
ALL14Smoke probe fault
ALL15
ALL18
ALL28
ALL30
ALL37
ALL40
ALL41
ALL42Button fault
ALL43
ALL62
ALL72
ALL77
ALL78
ALL79
ALL80
ALL81
ALL82
ALL83
ALL84
No water circulating
in the system
Gas valve modulator
disconnected
Incorrect
configuration of
the open /sealed
chamber
Smoke probe
intervention
Fan check cable
disconnected
Condensate level
fault
Maximum number of
consecutive resets
reached
Return sensor (SR)
fault
Fault due to low
network voltage.
Incorrect network
frequency detected
Flame loss more
than 6 consecutive
times
Open Therm
communication fault
Self-calibrating
procedure is required
Incorrect positioning
of the delivery sensor
EV2 SGV current
max/min absolute
limits error
EV2 SGV current
upper limit error
EV2 SGV current
lower limit error
Fault on the valve
control logic line/
valve cable damaged
Block due to
combustion during
start-up
Block due to
numerous
combustion control
failures
Irregular combustion
(temporary error)
Flow rate reduced
for (presumed) low
pressure on mains
gas
pump rotor
- Check the electrical
connections
- Replace the pump
- Check the electrical
connection
- Set the parameter PAR 04
(Combustion configuration)
to 0
- Replace the smoke probe
- Contact the Technical
Assistance Centre
- Replace the smoke probe
- Check the electrical
connection of the smoke
probe
- Check the connection cable
between the fan and the
board
- Check for any clogging in
the pipe which takes the
condensate to the siphon
- Check that the siphon is not
clogged
- Contact the Technical
Assistance Centre
- Replace the return probe
- Contact the Technical
Assistance Centre
- Check with tester
- Contact network provider
(ENEL)
- Contact network provider
(ENEL)
- Check the detection
electrode
- Check the gas supply (open
valve)
- Check mains gas pressure
- Check that buttons are
working
- Check the electrical
connection of the remote
control
- Carry out the selfcalibrating procedure (see
the specific section)
- Check that the delivery
sensor is attached to the
delivery pipe
- Contact the Technical
Assistance Centre
- Contact the Technical
Assistance Centre
- Contact the Technical
Assistance Centre
- Check the valve cable
- Contact the Technical
Assistance Centre
- Check for blockage in
chimney
- Bleed the air from the gas
circuit
- Check electrode
- Check outlets
- Check for blockage in
chimney
- Check gas flow rate
39
TypeNo.FaultSolution
ALL88
ALL89
ALL90
Internal error
(board component
protection)
Unstable combustion
feedback signal error
Combustion set
cannot be reached
error
- Contact the Technical
Assistance Centre
- Contact the Technical
Assistance Centre
- Contact the Technical
Assistance Centre
System has reached
ALL92
maximum air
correction error (at
the minimum flow
- Contact the Technical
Assistance Centre
rate)
ALL93
cannot be reached
error
Combustion set
ALL95
ALL96
ALL98
Flame signal micro
interruptions error
Block due to clogging
in smoke outlet
SW error, board
start-up
ALL99General board error
--
Frequent relief valve
intervention
- Contact the Technical
Assistance Centre
- Contact the Technical
Assistance Centre
- Check for blockage in
chimney
- Contact the Technical
Assistance Centre
- Contact the Technical
Assistance Centre
- Check circuit pressure
- Check expansion vessel
- Check the diverter valve
--
Limited production of
domestic hot water
- Check that plate heat
exchanger is clean
- Check domestic hot water
circuit valve
40
11 COMMISSIONING BOILER CHECKLIST
ü
A suggested method of commissioning the boiler; the actual method can vary according to the boiler make, type and installation. The
boiler must always be installed and commissioned by an approved gas technician. The installer certifies that this Boiler has been
installed to the manufacturer's instructions, has been filled, commissioned and is ready for use.
N°Description
When done
1Read carefully the instruction manuals supplied with this boiler.
2BEFORE INSTALLING T HIS BOILER FLUSH OUT THE PIPES UNTIL CLEAN WATER IS ACHIEVED.
Turn off all services to–this boiler - water, gas and power.
3
Install the boiler as shown in the instructions following and connect all services.
Turn on water to fill system, check for leaks regularly and bleed air from all points.
4
Bleed the air from all the pumps in the system, and rotate the impeller shaft.
Check that all radiators valves are open, remove the thermostatic valve heads, fully open all
5
lockshield valves.
Turn ON gas, bleed air out at the isolation valve union. Reseal and check for gas leaks.
6
Turn gas OFF.
Turn electricity on at the power point. At the boiler front panel set the temperature setting to the
7
lowest setting, switch boiler to ON position.
The “Power on” Indicator should light. Turn the boiler off at the front panel.
Turn the room thermostat to the manual ON position set the temperature to a high level so that it
8
does not switch off during the commissioning phase. The thermostat will unusually click and show an
an indicator in the window.
9Switch the boiler ON at the boiler front panel control.
Boiler should start fan, pump and ignite gas. If it fails first few times this may be just residual air in
10
the gas line. A noisy water pump indicates there is air in the water pipes.
Boiler lights and heats the water. Check gas flame is the correct colour and for gas and water leaks
11
as the system heats up.
Check that heat is going to all radiators through the manual or thermostatic first and return via the
12
lockshield valve. If not STOP fix NOW and any leaks.
Allow the boiler to heat up to the set temperature and switch off. Re-adjust the boiler temperature to
13
a mid temperature point. CAUTION, If this is connected to a floor heating system. The boiler should re
light and increase the water temperature to the new setting.
Check that all radiators are hot all the way up. If the radiator is cold at the top, then there is usually
14
air in the radiator Bleed the radiator. Balance the system so that all. radiators are hot as according to
the radiator installation manual. Adjust the boiler water temperature.
Set the room thermostat to the correct times and temperatures according to the manufacture's
15
instructions.
On completion of the commissioning phase, complete the information sheet at the front of this
manual. Hand over the installation to the owner and demonstrate how the system works plus basic
16
fault resolution and safety procedures. Make sure that this important document is kept in a safe
accessible place.
41
12 EXPLODED VIEWS
Brava Slim HE 20 R i
-
Brava Slim HE 40 R i
42
Brava Slim HE 20 R e
-
Brava Slim HE 40 R e
43
Brava Slim HE 20 R i
-
Brava Slim HE 20 R e
-
Brava Slim HE 40 R i
-
Brava Slim HE 40 R e
44
Brava Slim HE 20 R i
-
Brava Slim HE 20 R e
-
Brava Slim HE 40 R i
-
Brava Slim HE 40 R e
45
Brava Slim HE 20 R i
-
Brava Slim HE 20 R e
-
Brava Slim HE 40 R i
-
Brava Slim HE 40 R e
46
Pos.CodeDescription
BRAVA SLIM HE R
20 i 20 e 40 i 40 e
16264560 Boiler fixing bracketxx
16264565 Boiler fixing bracketxx
26010890 Support exchangers bracketxx
26010894 Support exchangers bracketxx
36147412 Plug for air vent connectionxxxx
46226464 O-ring 115 diam. 11.91x2.62xxxx
56226624 Spring air vent knobxxxx
66278913 Main exchanger bodyxx
66278910 Main exchanger bodyxx
76277130 Probe NTC D.4X40xxxx
86010892 Support exchangers bracketxxxx
702 6211794 Peephole kitxxxx
703 6319700 Springs / clamps kit DINxxxx
704 5202570 Complete control panelxxxx
705 6323874 4 pole cable connector CN13xxxx
706 6323876 4 pole cable connector CN14xxxx
707 6323872 9 pole cable connector CN1xxxx
708 6323873 6 pole cable connector CN2xxxx
709 6325602 6 pole cable connector CN12xxxx
710 6325617 14 pole connector CN15+CN5xxxx
47
13 REMOVING COMPONENTS
1
3
3
m
a
CAUTION
The maintenance interventions described must ONLY
be carried out the professionally qualified personnel.
WARNING
Before carrying out any interventions described:
– set the main system switch to "OFF"
– close the gas valve
– make sure that no hot parts inside the appliance are
touched.
13.1 Remove panels
13.1.1 Front panel
To access the internal parts of the boiler:
– disassemble the smoke outlet duct of the
Brava Slim HE 40 R e
and
– remove the screws (1), pull the front panel (2) forwards and
release it from the top by lifting it
Brava Slim HE 20 R e
13.1.2 Side panels
– Unscrew the screws (3)
– pull the side panel (4) outwards to release it from the top
4
Fig. 53
2
– proceed in the same way for the other panel.
13.2 Rotate control panel
– Remove front panel (see "Remove panels" on page 48)
– remove the screws (3) securing the control panel (4)
– move the panel (4) upwards (a) but keeping it in the side
guides (5) to the end of travel
– bring it forwards and down (b) until it is horizontal
4
Fig. 52
b
a
5
Fig. 54
48
13.3 Remove/replace sensor and thermostat
2
2
1
3
13.3.1 Smoke flue gas probe
– Remove front panel (see "Remove panels" on page 48)
– disconnect the connector (1)
1
13.3.2 Delivery sensor
– Remove front panel (see "Remove panels" on page 48)
– disconnect the connectors (1)
Fig. 58
Fig. 55
– using a suitable tool, rotate the sensor 90° anti-clockwise (2)
Fig. 56
– extract the sensor (2)
– remove the rear locking clip (2)
– disconnect the sensor (3) from the pipe
2
Fig. 59
Fig. 57
49
13.3.3 Heat safety thermostat
1
– Remove front panel (see "Remove panels" on page 48)
– disconnect the connectors (1)
13.4 Remove electronic board
– Remove front panel (see "Remove panels" on page 48)
– move the control panel (A) into a horizontal position (see "
Rotate control panel" on page 48)
– unscrew the screw (1)
– press the catches (2) to remove the cover
– remove the rear locking clip (2)
2
Fig. 60
2
– open the cover (3)
3
2
A
Fig. 62
Fig. 63
Fig. 61
– unscrew the fixing screw (4) on the electronic board
– remove the electronic board (5) by sliding upwards
– disconnect all the connectors (6)
4
6
5
Fig. 64
50
13.5 Remove/replace combustion head unit and
6
fan
– Remove front panel (see "Remove panels" on page 48)
– disconnect the fan connectors (1)
– remove the clip (2) and air inlet pipe
– unscrew the swivel joint (3)
– unscrew the screws (6) and unthread the combustion head (7)
– unscrew the screws (8) and remove the fan (9)
7
2
1
3
– unscrew the nuts (4)
– remove combustion head unit/conveyor/fan (5)
4
8
Fig. 65
9
Fig. 67
5
Fig. 66
51
13.6 Remove/replace the ignition and flame
1
2
4
1
2
A
detection electrode
– Remove front panel (see "Remove panels" on page 48)
– disconnect the connectors (1) and (2)
Fig. 68
– remove the screws (3)
13.7 Remove/replace the siphon
m
– Remove the panelling (see "Remove panels" on page 48)
– move the control panel (A) into a horizontal position (see "
– remove the spring clips (1)
– remove the cover (2)
CAUTION
When disassembling, some residual water may leak.
Rotate control panel" on page 48)
3
Fig. 69
– carefully remove the ignition/flame detection electrode (4)
Fig. 71
– slide the siphon upwards (3) and remove
3
Fig. 72
Fig. 70
– check the electrode quotas as per chapter "Checking the
ignition/detection electrode" on page 38.
52
13.8 Remove/replace gas valve
2
4
3
1
– Close the gas valve
– remove the front panel (see "Remove panels" on page 48)
– move the control panel (A) into a horizontal position (see "
Rotate control panel" on page 48)
– disconnect the electrical connector (2)
A
Fig. 73
– unscrew the swivel joints (3) and the screws (4)
13.9 Remove/replace the expansion vessel
– Shut-off the valves to the system and empty the boiler
– remove the front panel (see "Remove panels" on page 48)
– disconnect the pipe (1)
– unscrew the fixing screw (2) on the rear panel
2
– extract the gas valve (5)
the nozzle (6) MUST be used with the new valve
Fig. 76
– release the top section (4)
– pivoting around the hook (5), turn and extract the expansion
vessel (3)
4
Fig. 74
3
5
Fig. 77
6
5
Fig. 75
53
13.10 Remove/replace system pump
2
5
3
4
8
6
– Shut-off the valves to the system and empty the boiler
– remove the front panel (see "Remove panels" on page 48)
– lift the connector (1) using a screwdriver (2)
Fig. 78
– unscrew the swivel joints (3) and (4)
– disconnect the pipes (5) and (6)
– unscrew the screw (7)
– unscrew the nut (8) that secures the pump