Radiant RK 34/B Ekobox User manual

CE 0694 RK 34.B EKOBOX - RAD - ING - MAN.INST - 1305.1 - DIGITECH 2 - CBD - AUSTRALIA
Technical specification RADIANT BRUCIATORI S.p.A. Montelabbate
Instruction Manual
for model
RK 34/B Ekobox
Premix condensing boiler
version for remote storage cylinder connection

CONTENTS
1. General information
1.1 General warnings pag. 1
1.2 Product conformity 3
2. Technical characteristics
2.1 Technical data 4
2.2 Dimensions 5
2.3 Internal parts of the boiler 7
2.4 Water circuit 8
2.5 Circulation pump head/flow graph 10
2.6 Printed circuit board – Technical characteristics 11
2.7 Control panel 11
3. Installation (authorised personnel)
3.1 Reference standard 12
3.2 Installation requirements 12
3.3 Unpacking 13
3.4 Installing the boiler 14
3.5 Water connections 15
3.6 Gas connection 16
3.7 Electrical connections 17
3.8 Flue connections 19
4. Commissioning the appliance (authorised personnel)
4.1 General warnings 20
4.2 Filling the system 21
4.3 Flushing the system 22
4.4 Filling the condensate trap 22
4.5 Frost protection 23
4.6 Starting up the boiler 24
5. Regulating the appliance (authorised personnel)
5.1 Parameters table 25
5.2 Setting the parameters 26
5.3 Gas Data 32
5.4 Converting the boiler to a different gas type 33

CONTENTS
6 Maintenance (authorised personnel)
6.1 General warnings pag. 34
6.2 Boiler inspection 34
6.3 Accessing the boiler 35
6.4 Draining the central heating and domestic hot water system 36
6.5 Maintenance operations 37
6.6 Wiring diagrams 44
6.7 Troubleshooting 51
6.8 Diagnostics 52
6.9 Parts list 53

GENERAL INFORMATION
1
1. GENERAL INFORMATION
1.1 General warnings
Professionally qualified authorised in accordance with current laws and standards and in line with
the manufacturer’s instructions must install the appliance.
With ‘Professionally qualified authorised is intended a personnel with technical knowledge in the
field of installation and maintenance of components for central heating water production system
for domestic and industrial use.
The appliance must be used solely for the purpose for which it has been designed and
manufactured: central heating water production. Any other use is deemed as improper and as
such dangerous. Under no circumstances will the manufacturer be held responsible for damage
or injury to persons or animals caused by errors in the installation and/or use of the appliance, or
through non-compliance with current local and national standards and/or the manufacturer’s
instructions.
The installation, operation and maintenance manual forms an integral and essential part of the
product and must be kept near the appliance always.
This manual must be kept in a safe place and made available for any future reference. If the
appliance is sold or transferred to a different owner, this must follow the appliance to be red by the
new owner and/or installer.
The warnings contained in this chapter have been written for the appliance user, the installer and
the service engineer or authorised person.
The user manual must be read carefully as it provides information on the operation and the
operating limits of the appliance.
This appliance must be used exclusively in a pressurised central heating system, not suitable for
use as a pool heater.
•After the removal of all the packaging, check that the appliance has not been damaged. In case of doubt, do not
attempt to use the product but refer to the supplier. Packing materials (cardboard box, wooden crate, nails,
staples, plastic bags, polystyrene, etc.) must not be left within reach of children in that these items represent a
potential hazard and must be disposed of in a responsible manner.
•Before carrying out any cleaning or maintenance operations, disconnect the appliance from the mains electricity
supply by switching off at the main switch and/or any other isolating device.
•Do not obstruct the air intake or flue exhaust grills.
•Do not obstruct the air intake or flue exhaust terminals.
•In the case of a fault and/or malfunction in the appliance, shut down the system. Do not interfere with or attempt
any repairs. Call for professionally qualified technical assistance only.
•Any warranty repairs to the appliance must be carried out exclusively by the manufacturer’s authorised service
centre using original spare parts. Non-compliance with the above requirements may compromise the safety of
the appliance and invalidate the warranty. In order to guarantee the efficiency of the appliance and its correct
operation, it must be serviced regularly by professionally qualified personnel in line with the manufacturer’s
instructions.
•When the appliance is no longer required for use, any parts that may constitute potential sources of danger must
be rendered harmless.
•Only original accessories or optional extras (including electrical parts) must be used with the appliance.
•Should there be a smell of gas present in the room where the appliance is installed, DO NOT attempt to activate
any electric switches, telephones or any other equipment that may cause sparks. Open doors and windows
immediately to create a current of air and ventilate the room. Shut-off the main gas supply valve (at the meter),
or on the cylinder in the case of bottled gas, and call an authorised service centre.
•Do not attempt to interfere with or modify the appliance in any way.

GENERAL INFORMATION
2
•As dictated by current legislation, this appliance must be installed exclusively by qualified authorised
personnel. Before starting the boiler for the first time, make sure that it is connected to a water supply and
central heating system compatible with its performance characteristics.
•The room must be ventilated in accordance with AS/NZS5601 by means of an air intake positioned at floor level
and protected with a grill. Make sure the grill does not reduce the passage section.
•The air inflow from adjacent rooms is allowed providing that those rooms are in depression with respect to the
atmosphere and that there are not fireplace or fan installed. When the appliance is installed outdoor, i.e. on
balcony or terrace, make sure it is not directly exposed to atmospheric agents / conditions to prevent any
damage to components which would lead to a warranty invalidation. It is recommended to provide the boiler with
a protective casing/box against bad whether conditions.
•Check the gas type and technical data reported on the packing and on the rating plate located on the
inside of the front casing. Also check that the burner is appropriate for the type of gas to burn.
•Make sure that the pipes and fittings used for the gas service are installed in accordance with
AS/NZS5601 perfectly tight and that there are no gas leaks.
•Prior to start-up, the central heating pipes should be flushed to remove any residues that could compromise the
operation of the appliance.
•The appliance can be regarded as being electrically safe when it has been connected to an efficient earth
system installed in accordance with the requirements of current electrical safety standards. This fundamental
safety requirement must be checked and verified. In case of doubt, have the electrical system checked by a
qualified electrician. The manufacturer will not be held liable for any damage or injury caused as a result of an
ineffective or non-existent earth system.
•The domestic power supply must be checked by a qualified electrician to ensure that it can support the
maximum power absorption of the appliance, as indicated on the appliance data plate (positioned on the inside
of the front casing). In particular, make sure that the cable ratings are adequate for the power absorbed.
•Do not use adapters; multiple sockets or extension leads to connect the appliance to the mains power supply.
•The appliance must be connected to the mains power supply through an appropriate electrical isolator in
accordance with the current wiring regulations.
•When using an electrical appliance, a few fundamental rules must be observed:
•Do not touch the appliance with damp or wet parts of the body or when barefoot
•Do not pull on the electric wires
•Do not leave the appliance exposed to atmospheric elements (rain, sun, etc,) unless these conditions have been
expressly provided for.
•Do not allow the appliance to be used by children or anyone unfamiliar with its operation.
•The user must not replace the power supply cable.
•If the cable is damaged in any way, switch off the appliance and have the cable replaced by a suitably qualified
electrician.
• When the appliance is no longer required for use, switch off the main power supply, to switch all
electrical components off (circulating pump, burner etc.)

GENERAL INFORMATION
3
1.2 Product conformity
RADIANT BRUCIATORI S.p.A. declares that all its products are manufactured to a high specification and in
compliance with the relevant standards.
All RADIANT boilers are CE certified and possess technical and functional characteristics that comply with the
following standards:
UNI EN 297 for GAS-FIRED CENTRAL HEATING BOILERS TYPE B OF NOMINAL HEAT INPUT ≤70 kW
EN 483 for GAS-FIRED CENTRAL HEATING BOILERS TYPE C OF NOMINAL HEAT INPUT ≤70 kW
UNI EN 677 for GAS-FIRED CENTRAL HEATING BOILERS. SPECIFIC REQUIREMENTS FOR CONDENSING
BOILERS WITH NOMINAL HEAT INPUT ≤70 kW
Gas fired boilers also comply with the following directives:
GAS APPLIANCES DIRECTIVE 90/396 CEE for CE compliance
LOW VOLTAGE DIRECTIVE 2006/95 CEE
ELECTROMAGNETIC COMPATIBILITY DIRECTIVE 2004/108 CEE
BOILER EFFICIENCY DIRECTIVE 92/42 CEE
The materials used such as copper, brass, stainless steel, etc. form a compact, homogeneous, highly functional
unit that is easy to install and simple to operate. In its simplicity, the wall-mounted appliance is equipped with all the
appropriate accessories required to make it a fully independent boiler capable of satisfying central heating needs.
All boilers are fully inspected and are accompanied by a quality certificate, signed by the inspector, and a guarantee
certificate. This manual must be kept in a safe place and must accompany the boiler at all times.
RADIANT BRUCIATORI S.p.A. will not be held responsible for any misinterpretation of this manual resulting
from the inaccurate translation of same.
RADIANT BRUCIATORI S.p.A. will not be held responsible for the consequences in the case of non-
observance of the instructions contained in this manual or in the case where actions not specifically
described herein are undertaken.
Radiant Bruciatori S.p.A. declare that no substances harmful to health are contained in the appliance or
used during appliance manufacture and have not used or intend to use any of the following substances in
the manufacture of Radiant heating products.
− Asbestos
− Mercury
− CFC's.

TECHNICAL CHARACTERISTCS
4
2. TECHNICAL CHARACTERISTICS
2.1 Technical data
Model RK 34/B
CE Certification n° 0694BN3485
Appliance Type
Appliance Category
Heat Input max
kW 34
Heat Input min
kW 10
Heat Output max (50/30°) kW 36.24
Efficiency 100% (full load 50/30°) % 106.6
Efficiency 30% (partial load 50/30°) % 107.9
Heat Output max - 80/60°C (Non condensing) kW 33.42
Heat Output min - 80/60°C (Non condensing) kW 9.73
Efficiency 100% (full load 80/60°) % 98.3
Efficiency 30% (partial load 80/60°) % 100.7
GAS DIRECTIVE 92/42/ECC - Efficiency marking stars 4
Central Heating circuit
Central Heating water temperature setting (min-max) °C 30-80
Max. heating working temperature °C 95
Expansion vessel capacity litres 7
Max. working pressure (heating) bar 3
Min. working pressure (heating) bar 0.3
Domestic Hot Water circuit
D.H.W. temperature setting (min-max) °C 35-60
Max. Hot water working pressure bar 6
Min. Hot water working pressure bar 0.5
Dimensions (Boiler casing size)
Width mm 410
Height mm 730
Depth mm 310
Weight (net) kg 42
Hydraulic connections
Central Heating Flow connection Ø ¾”
Central heating Return connection Ø ¾”
Central heating flow connection to DHW storage cylinder Ø ¾”
Central heating return connection from DHW storage cylinder Ø ¾”
Cold water inlet Ø ½”
Gas connection Ø ¾”
Flue systems
Horizontal-Concentric flue system Ø mm 100/60
Max. Flue length m 1
Gas Supply
Natural gas
Inlet pressure
kPa 1.13
Gas consumption
MJ/h 130.5
Universal LPG
Inlet pressure
kPa 2.75
Gas consumption
MJ/h 130.5
Electrical specifications
Power supply V/Hz 230/50
Electrical power consumption W 180
Electrical protection IP X4D

TECHNICAL CHARACTERISTCS
5
9019019090
845
300
260 300
985
300
25
CWI
G
HR
HF
40
RCR
RCF
560
8610277145
RCR RCF
HR G HF
CWI
123
86
150
4336
2.2 Dimensions
LEGEND
HR HEATING RETURN Ø 3/4”
HF HEATING FLOW Ø 3/4”
RCR REMOTE D.H.W. CYLINDER
RETURN
Ø 3/4”
RCF REMOTE D.H.W. CYLINDER FLOW Ø 3/4”
CWI COLD WATER INLET Ø 1/2”
G GAS Ø 3/4”
SC CONDENSATE DRAIN Ø 25

TECHNICAL CHARACTERISTCS
6
Storage tank 150 lt.
polyurethane
foam insulation
Ø16 STAINSTELL
PIPE
X
X'
99
6
12
162
633
175
1113
774
334
440
450
510
1149
53
2860
1
150
bar
bar
°C
mm
mm
mm
mm
mm
Max. temperature
Max. Hot water working pressure
Max. heating working pressure
H6
H5
mm
mm
mm
mm
Lt/h
kW
lt/h
mq
Lt
Storage cylinder capacity
H4
H3
H2
H1
H
Internal diameter (Di)
Externa diameter (De)
Hot water flow rate Dt 30°
Heat Input max
Circulation pump
Storage cylinder exchange area
H6
MODEL U.M 150
Dm
3030
F - (ANODE)
100
H/2 H/2
H
A
B
C
BRACKET
G 3/4"
BRACKET
G
D E
Amm Ø3/4"
Bmm Ø3/4"
Cmm Ø3/4"
Ø1/2"
mm
D
Ø1/2"
mm
E
B
A
C
X-X' SECTION

TECHNICAL CHARACTERISTCS
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
2.3 Internal parts of the boiler
LEGEND
1. SAFETY THERMO FUSE
2. AIR VENT VALVE
3. PRIMARY CONDENSING HEAT EXCHANGER
4. PREMIX BURNER UNIT (GAS MANIFOLD+BURNER)
5. IGNITION ELECTRODE
6. HEATING SENSOR
7. HEATING SAFETY THERMOSTAT
8. FAN
9. CONDENSATE TRAP
10. PUMP WITH AIR VENT
11. 3 BAR PRESSURE RELIEF VALVE - HTG CIRCUIT
12. SYSTEM DRAIN VALVE
13. FLUE BEND
14. EXPANSION VESSEL
15. IONISATION ELECTRODE
16. IGNITION TRANSFORMER
17. ELECTRONIC GAS VALVE
18. 3-WAY VALVE
19. WATER PRESSURE SWITCH
20. WATER PRESSURE GAUGE
21. FILLING TAP

TECHNICAL CHARACTERISTCS
8
2.4 Water circuit
LEGEND
1. PRIMARY CONDENSING HEAT EXCHANGER
2. PREMIX BURNER UNIT (GAS
MANIFOLD+BURNER)
3. PRIMARY CONDENSING HEAT EXCHANGER
CONDENSATE DRAIN PIPE
4. IONISATION ELECTRODE
5. IGNITION ELECTRODE
6. FAN
7. VENTURI
8. IGNITION TRANSFORMER
9. ELECTRONIC GAS VALVE
10. 3 BAR PRESSURE RELIEF VALVE - HTG CIRCUIT
11. AUTOMATIC AIR VENT VALVE
12. HEATING SAFETY THERMOSTAT
13. HEATING SENSOR
14. PUMP WITH AIR VENT
15. WATER PRESSURE SWITCH
16. FLUE HOOD
17. SAFETY THERMO FUSE
18. EXPANSION VESSEL
19. ROOM SEAL CHAMBER BACK SID
20. CONDENSATE TRAP
21. WATER PRESSURE GAUGE
22. FILLING TAP
23. CONDENSATE DRAIN PIPE
24. SYSTEM DRAIN VALVE
25. 3-WAY VALVE
LEGEND
HR HEATING RETURN
HF HEATING FLOW
RCR REMOTE D.H.W. CYLINDER RETURN
RCF REMOTE D.H.W. CYLINDER FLOW
CWI COLD WATER INLET
G GAS
SC CONDENSATE DRAIN
4
19
18
17
2
16
5
6
9
11
24
14
21
13
1
12
25
20
10
15
23
7
3
8
22

TECHNICAL CHARACTERISTCS
9
MEMBRANE EXPANSION
TANK, SEALED CHAMBER
REMOTE DHW CYLINDER
code 20045LA
STORAGE CYLINDER DHW
TEMPERATURE SENSOR
code 31368LA (SUPPLIED
WITH THE BOILER)
NOTE
THERE IS A STRAINER ON THE HEATING CIRCUIT..
THE INSTALLATION OF AN ADDITIONAL STRAINER ON THE
SECONDARY CIRCUIT IS RECOMMENDED.
RCF
HR
NON RETURN VALVE
4 bar SAFETY VALVE
SHUTTER
CONTROL THERMOMETER
EXTERNAL SENSOR
code 73506LA
REMOTO LCD
GHF
Water circuit (installation example)

TECHNICAL CHARACTERISTCS
10
2.5 Circulation pump head/flow graph
III
II
I
Head kPa)
Flow l/h
III
Pump head at maximum speed
Pump head at second speed
II
I
Pump head at minimum speed

TECHNICAL CHARACTERISTCS
11
2.6 DIGITECH 2
®
printed circuit board – SM30003
Technical characteristics
Adjustments possible by service personnel only
•Standard (30/80°C) / reduced (25-40°C) central heating temperature
•Water hammer prevention function
•Central Heating timer - (adjustable from 0 to 7,5 minutes)
•Central Heating pump overrun timer
•Domestic Hot Water pump overrun timer
•Minimum Gas pressure setting
•Maximum Heating Load
•Heating output rising time
User settings
•On/Off
•Heating Temperature setting (30-80°C) – (25-40°C)
•D.H.W. temperature setting (35-60°C)
•Summer only mode / Winter only mode / Summer + Winter mode selection
Operation/Functions display
•Lock-Out
•Water deficiency indicator
•Temperature display
When the boiler is switched off at the switch on the control panel, the word OFF appears on the display.
The D.H.W and central heating frost protection system, nevertheless, remain enabled. If the boiler was
previously on, it is switched off and the post-ventilation, pump overrun , circulation pump and three-
way valve inactivity protection functions are enabled.
The remote control, where fitted, remains active and illuminated.
2.7 Control panel
LEGEND
1. ON/OFF SWITCH
2. HEATING TEMPERATURE CONTROL KNOB
3. D.H.W TEMPERATURE CONTROL KNOB.
4. D.H.W TEMPERATURE BUTTON. KEEP PRESSED
FOR 5 SECONDS TO DISPLAY OUTSIDE
TEMPERATURE (ONLY WITH OPTIONAL OUTDOOR
SENSOR)
5. SERVICE BUTTON.
6. SUMMER, WINTER OR SUMMER/WINTER MODE
SELECTION BUTTON.
7. TERMINAL BOARD FOR EXTERNAL WIRING.
8. TEMPERATURE, ERROR CODE AND OPERATING
STATUS DISPLAY 6 754321
8

INSTALLATION INSTRUCTIONS
12
3. INSTALLATION (authorised personnel)
3.1 Reference standard
This appliance meets the requirements of:
AS 4552-2005 Gas fired water heaters for Hot water supply and/or Central Heating
- IPX4D rating for electrical appliances.
- EMC DIRECTIVE 89/336 CEE
- LVD DIRECTIVE 73/23 CEE
- BOILER EFFICIENCY DIRECTIVE 92/42 CEE
Failure to install a gas appliance correctly and in accordance with the above norms could lead to prosecution. It is in
the interest of the installer and safety that the law is complied with.
The manufacturer’s instructions form an integral part of the installation and should be left with the appliance but do
not over ride in anyway statutory obligations.
3.2 Installation requirements
Please refer to local and national standards in force in the Country of destination of the product. In particular the
manufacturer recommends: Installation must be in accordance with the following; Manufacturer’s installation
instructions, AS5601.1 ‘gas installations’ for installation and pipe sizing, local gas fitting regulations, Municipal
building codes, Local electrical regulations and any other Statutory regulation.
For Australia – refer to AS 5601 and local authority for minimum clearances as illustrated below:
The presence of threaded connections on the gas line, require that the room in which the appliance
is installed is ventilated by means of air intakes.

INSTALLATION INSTRUCTIONS
13
B
C
A
3.3 Unpacking
■ The materials (cardboard) used for packing the appliance are fully recyclable.
■It is recommended that the packing material is only removed prior to installing the boiler. The
manufacturer will not be held responsible for damage caused by incorrect storage of the product.
■Packing materials (plastic bags, polystyrene, nails, etc.) must not be left within reach of children, in that
these items represent a potential hazard.
A. Place the packed
appliance on the floor (see fig.
1) making sure that the "up”
arrow is facing down. Remove
the staples and open out the
four flaps of the box.
B. Rotate the boiler 90° while
manually supporting it from
underneath
C. Lift the box and remove the
protections. Lift the boiler by
grasping the rear part and
proceed with the installation.
STORAGE & HANDLING
Please note that prior to
installation the Radiant boilers
should be stored in the
horizontal position with no
more than three boilers to a
stack;
Ensure that the boilers are
stored in dry conditions and be
aware that the carton is a tow-
man lift;
Fig. 1

INSTALLATION INSTRUCTIONS
14
3.4 Installing the boiler
■The appliance must be installed
exclusively on a flat vertical solid wall
capable of supporting its weight.
In order to allow access to the interior of the
boiler for maintenance purposes, it is
important that the necessary clearances
indicated in figure 1 are respected.
Note: Flue Terminal Locations must
also comply with Section 6.9 of
AS/NZS 5601.1:2010
To install the boiler, proceed as follows (see
fig. 2):
1. Use a spirit level to mark a horizontal
line (of 62 mm long) on the wall where
the boiler is to be fitted.
2. Then mark the centres of the positions
of the two wall-plugs or anchors.
Finally, mark the positions of the water
and gas pipes.
3. Drill holes into wall and install cold
water pipes, the gas supply pipe and
the central heating.
4. Fix the boiler to the wall using the wall-
plugs or anchors and connect the
pipes.
Fig. 2
MINIMUM DISTANCES IN mm
H
A
XLY
Model X Y L H
10006060
B
A B
200 300RK 34 E/B 460
Fig. 1

INSTALLATION INSTRUCTIONS
15
3.5 Water connections
In order to safeguard the heat exchanger and
circulation pump, especially in case of boiler
replacement, it is recommended that the
system is hot-flushed to remove any
impurities (especially oil and grease) from the
pipes and radiators.
Make sure that the domestic water and
central heating pipes are not used to earth the
electrical system. The pipes are totally
unsuitable for this purpose.
Isolation Valves must be installed on the
heating and D.H.W circuits. This will facilitate
all maintenance and service operations where
the boiler needs to be drained.
■To prevent vibration and noise coming from
■the system, do not use pipes of reduced diameter,
short radius elbows or severe reductions in the
cross sections of the water passages.
■To facilitate the installation, the boiler is supplied
with an hydraulic connection kit (see fig.2).
Domestic hot water circuit
■In order to prevent scaling and eventual damage to
the D.H.W heat exchanger, the mains water supply
must not have a hardness rating of more than 17.5
°Ck. It is nevertheless advisable to check the
properties of the water supply and install the
appropriate treatment devices where necessary.
The cold water supply pressure at the inlet to the
boiler must be between 0.5 and 6 bar.
In areas with higher water inlet pressure a
pressure reducing valve must be fitted before the
boiler.
The frequency of the heat exchanger coil cleaning
depends on the hardness of the mains water supply
and the presence of residual solids or impurities,
which are often present in the case of a new
installation. If the characteristics of the mains water
supply are such that require it to be treated, then the
appropriate treatment devices must be installed, while
in the case of residues, an in-line filter should be
sufficient.
All D.H.W. circuits, connections, fittings, etc. should
be fully in accordance with relevant standards and
water supply regulations.
LEGEND
HR HEATING RETURN
HF HEATING FLOW
RCR REMOTE D.H.W. CYLINDER RETURN
RCF REMOTE D.H.W. CYLINDER FLOW
CWI COLD WATER INLET
G GAS
RCF
RCR
HF
CWI
GHR
40
4336
86
123
8610277150145
Fig. 2
Fig. 1
HR
G
CWI HF
HWO

INSTALLATION INSTRUCTIONS
16
Central heating circuit
In order to prevent scaling or deposits in the primary heat exchanger, the mains supply water to the heating circuit
must be treated according to the requirements of local standards.
This treatment is indispensable in the case where the circuit is frequently topped-up or when the system is often
either partially or fully drained.
The outlet connection of the boiler safety valve must be connected to a discharge trap. The manufacturer will not be
held responsible for flooding caused by the operation of the safety valve in the case of system overpressure.
Condensate Drain
The condensate drain flexible pipe supplied with the boiler (conforming to UNI EN 677 standard) must be connected
to a proper condensate trap. The condensate discharge into the drainage system is allowed providing a condensate
trap (siphon) is installed.
Any condensate discharge pipe work external to the building (or in an unheated part of it) must be insulated to
protect against frost. Before switching the boiler On, check the correct condensate discharge.
3.6 Gas Connection
The connection to the gas supply must be carried out by professionally qualified personnel in
accordance with relevant standards:
When connecting the boiler to the gas supply pipe, only use appropriate washers and gas fittings. The
use of hemp, Teflon tape and similar materials is not allowed.
Before installing the boiler, check the following:
■The pipe work must have a section appropriate for the flow rates requested and the pipe lengths installed, and
must be fitted with all the safety and control devices provided for by current standards. For Australia refer to
AS5601.
■The gas supply line must be a minimum of a 22 mm diameter pipe with an uninterrupted supply from meter to
boiler and comply with current standards and regulations.
■Check the internal and external seals of the gas supply system.
■A gas shut-off valve must be installed upstream of the appliance
■The gas pipe work must have and bigger or equal section to the one of the boiler.
■Before starting up the boiler, make sure that the type of gas corresponds to that for which the appliance has
been set-up (see gas type label inside the boiler).
■The gas supply pressure must be between the values reported on the rating plate (see gas type label inside the
boiler).
■Prior to installation, it is good practice to ensure that there are no machining residues on the gas supply pipe.
■Conversion of the appliance from natural gas to LPG or vice versa must be carried out by qualified authorised
personnel.