Please read these instructions and follow them carefully
for a safe and economical use of your boiler.
Important general instructions for use
This device should only be used for its intended purpose
and in accordance with the operating instructions.
It is the law and in your own interest, and that of safety
that this boiler must be installed by a CORGI registered
installer, in accordance with the relevant requirements of
the current Gas Safety (Installation and Use)
Regulations, The Building Regulations, current I.E.E.
Wiring Regulations and the relevant British Standard
Codes of Practice.
The device may only be used in combination with the
units, accessories and spare parts listed in the
installation and servicing instructions.
Other combinations of units, accessories and
consumables are only to be used if they completely fulfil
the specifications involved, and if system performance
and safety are not affected in any way.
Subject to technical modifications
As a result of our policy of constant development,
there may be small differences with respect to
illustrations, functional steps and technical data.
Cleaning
For normal cleaning simply dust with a dry cloth.
To remove stubborn marks and stains, wipe with a damp
cloth and finish off with a dry cloth.
DO NOT use abrasive cleaning materials.
Subject to modifications resulting from technical improvements!
Your Buderus 600 Series wall-mounted condensing gas
boiler has been designed and built in accordance with
state-of-the-art technological standards and the
recognised safety rules. Special focus has been placed
on operator convenience in this respect.
Carefully read the safety instructions and operating
manual to ensure safe, economic and ecologically
beneficial use of the unit.
Due to the high efficiency of the boiler a plume of water
vapour may form at the terminal during operation.
This is normal.
1Safety precautions
ADANGER!
If you smell gas:
1. No naked flames ! Do not smoke !
2. Avoid sparks !
Do not operate electrical switches.
Do not use the telephone, plug-in devices of
any kind or the doorbell!
3. Shut off the main gas supply!
4. Open windows and doors!
5. Warn building occupants and evacuate the
building!
6. Call TRANSCO (under 'GAS' in the telephone
directory) from outside the building!
INOTE
In the event of any other type of incident, shut off
the main gas supply and electric supply to the
appliance and seek assistance from a CORGI
registered engineer.
3Working in the heating
system
ADANGER !
Only a CORGI registered Engineer is to be
entrusted with the installation of this boiler, the
gas supply and the flue connection.
Commissioning, Servicing and any Repairs
must be carried out by a competent person i.e.:
a CORGI Registered Engineer.
All CORGI Registered Installers carry a CORGI
identification card and have a registration
number. Both should be recorded in your boiler
logbook. You can check your installer/Engineer
is registered by telephoning 01256 372300 or by
writing to:
CORGI, 1 Elmwood, Chineham Business Park,
Crockford Lane, Basingstoke. RG24 8WG
INOTE
It is mandatory to clean and service the system
once a year ! This includes an inspection of the
entire system to see if it is in full working order.
Any faults and defects found in the course of
inspection must be rectified immediately.
It is recommended to enter into a service contract with
a specialist company.
4Functions of the system
and operating instructions
The installer should familiarize the user with the
functions and operation of the heating system and
ensure that a complete set of technical documentation is
supplied.
2Installation area / boiler
room
ADANGER!
The air intake and outlet openings must not be
reduced in size or closed.
ADANGER!
Do not store or use inflammable materials or
liquids near the heating boiler.
INOTE
To prevent the boiler from being damaged, care
must be taken not to contaminate the
combustion air with halogenated hydrocarbons
(e. g. contained in aerosol sprays, solvents,
detergents, paints, and adhesives), or with high
quantities of dust. The room in which the boiler
is installed must be frost-proof and be well
ventilated.
5Maintenance
The appliance should be serviced at least once a year
by a CORGI registered installer.
Boulter Buderus Ltd. • http://www.boulter-boilers.comSubject to modifications resulting from technical improvements!
Please note also the operating instructions supplied
with the control unit.
6.1.1Check water pressure
z Open the control panel cover.
z Check the water pressure (fig. 1, item 1).
Optimum filling pressure is 1.0 to 1.2 bar, max. water
pressure is 1.5 bar.
If pressure is below 1.0 bar, proceed as described in
“Topping up the heating system”, otherwise continue as
described in Section 6.1.3 “Temperature-setting
adjustments”.
3
4
120
2
60
°C
bar
1
1
20
0
11
I
0
1
KW
01
12
10
1
10
1
10
Topping up the heating system
AWARNING!
The wall-mounted condensing gas boiler must
not be activated at this stage.
The system should be filled with untreated mains water.
z Set three-way valve to the middle setting (applicable
for 24C only). This is done by pushing the lever on
the three-way valve (fig. 2) with a screwdriver to the
middle setting.
Fig. 1Pressure display
Subject to modifications resulting from technical improvements!
z Unscrew the four screws at the top and bottom of the
ventilation cover (fig. 6, item 1) and remove the
ventilation cover.
1
Fig. 6Remove ventilation cover
z Open the cap on the automatic vent unit (fig. 7) by
one turn to allow any residual air to escape.
z If the air purging operation causes the pressure to
drop, top up with water.
z Refit the ventilation cover.
z Remove the hose from the filling and draining valve,
unscrew the hose spigot and screw the cover cap
back on.
z Purging the system at the radiator bleed-valves.
INOTE
If there are frequent water losses, have the
system examined and repaired by a CORGI
registered installer.
Have the inhibitor concentration checked every
year.
Fig. 7Automatic air vent unit
Subject to modifications resulting from technical improvements!
z Set flow temperature at the control unit (fig. 8, item 6)
(see table 1).
z Set hot-water temperature for 600 - 24 C with
integrated hot-water supply at knob (fig. 8, item 3)
(see table 2).
For energy saving (no heat-retention function) move
knob (fig. 8, item 3) to cold-start-setting “1”.
Set outlet temperature, at the same time, to 60 °C.
z Set hot-water temperature for 600 Series with
external tank at control unit (fig. 8, item 3) using
table 3.
z Adjust room temperature to maximum setting at the
control unit.
z Open the gas service valve by pushing in and turning
anticlockwise into a vertical position (fig. 8, item 4).
z Push the mains power switch (fig. 8, item 1) to “I”.
The boiler runs through the start-up programme and
the burner is ignited after approx. 30 seconds.
z Adjust room temperature to desired setting at the
control unit.
Operating Instructions
2
11
1
6
I
0
1
10
5
Fig. 8Control panel, pressure display, gas service valve,
temperature indicator
KW
01
12
1
10
1
10
3
4
Control unitRange of applicationController position / boiler flow temperature
Buderus
iRT30Floor heating
13(48 °C, max. factory-adjusted setting for floor
heating)
Radiator heating
17(67 °C, min. factory-adjusted setting for radiator
heating)
ON/OFF temperature
controller, 24 V
*Basic setting: Have the specific system settings of the Buderus control system and burner-control unit control panel adjusted by
a specialist heating system company.
Table 1 Flow temperature
Radiator heating15(58 °C, new building) up to
10(80 °C, old building)*
Boulter Buderus Ltd. • http://www.boulter-boilers.comSubject to modifications resulting from technical improvements!
Operating conditions and possible faults are shown on
the display (fig. 10, item 4). The codes consists of two
characters. Press the Service button (fig. 10, item 3) to
display the second character.
Operating Instructions
2
4
3
All codes not contained in table 4 should be noted down
5
separately. These are malfunctions that require the
presence of a specialist technician.
11
0
I
1
10
1
KW
01
12
10
1
10
1
Fig. 10Operational and fault codes
DisplayDisplay after pressing
MeaningRectification
the service button
0A, H, L, P, U, YBoiler is ready for operation
6*ABurner not ignitedPress reset button (fig. 10, item 2).
If the burner fails to ignite after
several unblocking operations,
consult a specialist company.
-.HNormal heating mode
=.HNormal hot water mode
*Flashing after three start-up attempts.
Table 4 Operational and fault codes
Boulter Buderus Ltd. • http://www.boulter-boilers.comSubject to modifications resulting from technical improvements!