GTU C 330
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GTU C 330
Oil-fired condensing boiler
User Guide
300017846-001-B
EN
C001933-C
2
GTU C 330 24/11/08 - 300017846-001-B
.
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.1 Symbols and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.2 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2 Safety instructions and recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.1 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.2 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.2 Boiler and Condenser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3.3 Description of the S3 control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.4 Description of the B3 control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.5 Description of the K3 control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4 Changing the settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5 Start the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6 Arrêter le chauffage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
6.1 Stopping the central heating or activating the Summer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
6.2 Prolonged absence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
7 Checking and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
7.1 Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
7.2 Hydraulic pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
7.3 Draining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
7.4 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
8.1 Rating plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
8.2 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
8.3 Incidents and solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
9 Technical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
10 Energy savings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
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24/11/08 - 300017846-001-B GTU C 330
1. Introduction
1Introduction
1.1 Symbols and abbreviations
In these instructions, various markings and pictograms are used to
draw your attention to particular information. In so doing, De Dietrich
Thermique wishes to safeguard the user's safety, obviate hazards
and guarantee correct operation of the boiler.
Danger
Risk of a dangerous situation causing serious physical
injury.
Warning
Risk of a dangerous situation causing slight physical
injury.
Caution
Risk of material damage.
Specific information.
Z
Reference
Refer to another manual or other pages in this instruction
manual.
` DHW: Domestic hot water.
1.2 General
1.2.1 Manufacturer's liability
De Dietrich Thermique S.A.S manufactures products in compliance
with the standard 1. Products are delivered with 1 marking and
all documents required.
In the interest of customers, De Dietrich Thermique S.A.S are
continuously endeavouring to make improvements in product quality.
All the specifications stated in this document are therefore subject to
change without notice.
The liability of De Dietrich Thermique S.A.S as the manufacturer
may not be invoked in the following cases:
` Incorrect use of the appliance.
` Faulty or insufficient maintenance of the appliance.
` Incorrect installation of the appliance.
1.2.2 Installer's liability
The installer is responsible for the installation and inital start up of the
appliance. The installer must respect the following instructions:
` Read and follow the instructions given in the manuals provided
with the appliance.
` Carry out installation in compliance with the prevailing
legislation and standards.
` Perform the initial start up and carry out any checks necessary.
` Explain the installation to the user.
` Warn the user of the obligation to check the appliance and
maintain it in good working order.
` Give all the instruction manuals to the user.
1.2.3 User's liability
To guarantee optimum operation of the appliance, the user must
respect the following instructions:
` Read and abide by the instructions given in the user manual.
` Call on qualified professionals to carry out installation and initial
start up.
` Get your fitter to explain your installation to you.
` Have the required checks and services done.
` Keep the instruction manuals in good condition close to the
appliance.
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GTU C 330 24/11/08 - 300017846-001-B
2. Safety instructions and recommendations
2 Safety instructions and recommendations
2.1 Safety instructions
For a proper operating of the boiler, follow carefully the
instructions.
Only qualified professionals are authorised to work on the
appliance and the instalation.
Incorrect use or unauthorised modifications to the
installation or the equipment itself invalidate any right to
claim.
The condensates in oil-fired condensing boilers are acidic
(2 < pH < 3): The installation of a condensates
neutralisation system is recommended.
Before any work, switch off the mains supply to the
appliance.
Keep to the polarity shown on the terminals: phase (L),
neutral (N) and earth
4
.
Keep children away from the boiler.
Fire hazard
It is forbidden to store inflammable products and materials
in the boiler room or close to the boiler, even temporarily.
Risk of intoxication
Do not obstruct the air inlets in the room (even partially).
If you smell flue gases
1.Switch the appliance off
2.Open the windows
3.Evacuate the premises
4.Contact a qualified professional
Risk of being burnt
Depending on the settings of the appliance:
- The temperature of the flue gas conduits may exceed 65°C
- The temperature of the radiators may reach 95°C
- The temperature of the domestic hot water may reach 65°C
Risk of damage
Do not stock chloride or fluoride compounds close to the
appliance.
.Install the appliance in premises sheltered from rain, snow
and frost.
Do not neglect to service the appliance: Contact a qualified
professional or take out a maintenance contract for the
annual servicing of the appliance.
2.2 Recommendations
• Check regularly that the installation contains water and is
pressurised.
• Keep the appliance accessible at all times.
• Avoid draining the installation.
• Use only original spare parts.
• Never remove or cover labels and rating plates affixed to the
appliance.
• Boiler with DIEMATIC-m3 control panel: The appliance should
be on Summer or Antrifreeze mode rather than switched off to
guarantee the following functions:
- Cleaning the pumps
- Antifreeze protection
- Protection against corrosion on domestic hot water tanks fitted
with a titanium anode
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24/11/08 - 300017846-001-B GTU C 330
3. Description
3 Description
3.1 General description
GTU C 330 boilers are intended for central heating using radiators or
underfloor heating. These boilers have the following characteristics:
- Hot water condensing boilers,
- Heating body in cast iron,
- Condenser
- Pressurised boiler,
- Atomisation burner using domestic fuel oil
- Connecting to a chimney
- S3, B3, K3 or DIEMATIC-m3 control panel (See below)
- Production of domestic hot water can be ensured by a separate hot
water calorifier.
The boiler, condenser and burner enable the use of all types of
oil :
- Standard fuel oil
- Oil with low sulphur content.
Control panel S3
Control panel K3
Control panel DIEMATIC-m3
Control panel B3
l
0
30
10A
C001967
TEST
STB
6
GTU C 330 24/11/08 - 300017846-001-B
3. Description
3.2 Boiler and Condenser
1
2
5
7
6
3
10
11
8
4
C001936-B
1
2
5
6
7
3
10
9
11
8
4
C001937-B
1
Burner
2
Control panel
3
Heating flow pipe
4
Boiler flue gas system / condenser connection pipe
5
Condenser
6
Condenser safety control box. The box comprises ;
- 80°C limiter thermostat
- Safety thermostat with manual reset, set to 120 °C. This
thermostat monitors the temperature of the combustion
products.
7
Boiler / condenser hydraulic connecting kit
8
Adjustable feet
9
Condensates evacuation pipe
10
Heating return pipe
11
Recycling kit (Option)
7
24/11/08 - 300017846-001-B GTU C 330
3. Description
3.3 Description of the S3 control panel
1. General ON (1) / OFF (0) switch
2. Switch Test-STB
Temporary action to test the safety thermostat
3. Boiler thermostats (30 to 90 °C)
The boiler thermostat regulates the boiler operating temperature.
4. Boiler thermometer
5. Location for flue gas thermometer (optional)
6. Timed circuit breaker (10 A) with delayed action and manual
reset
7. Safety thermostat with manual reset
(set to 110 °C)
The safety thermostat with manual reset ensures that the boiler
operates safely.
In the event that there is an abnormal rise in the
temperature in the boiler 110° C. Advise your installation
engineer.
76 1234
l
0
30
10A
M000484
5
TEST
STB
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GTU C 330 24/11/08 - 300017846-001-B
3. Description
3.4 Description of the B3 control panel
1. General ON (1) / OFF (0) switch
2. Alarm indicator
This indicator lights up when the burner is on safety (faulty).
3. Switch TEST-STB/
.
/
%
Position
.
: DHW + Heating
Position
%
: DHW
Position TEST-STB: Temporary action to test the safety
thermostat
4. Safety thermostat with manual reset
Set at 110° C
5. Timed circuit breaker (10 A) with delayed action and manual
reset
6. Pump shutdown switch
7. Electronic thermostat
Set the boiler temperature between 30° C and 90° C using
manual setting.
8. Indicator lights up
Boiler temperature display
9. Location for flue gas thermometer (optional)
10. Switch for selecting the number of burner stages
When preparing domestic hot water
11. Electronic thermostat
Regulating the storage temperature of domestic hot water between
10° C and 80° C.
12. Indicator lights up
Domestic hot water display
After switching on, the system performs an automatic purge of
the accumulator interchanger for one minute by intermittently
operating the domestic load pump and the heating pump. This
purge sequence is deactivated if the temperature in the
accumulator is above 25º C.
13. Location for hour run meter (Option)
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