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GTU C 330

16/01/2020 - 300017846-03

9.

Technical specifications

9 Technical specifications

(1) Stand-by losses, according to the standard EN 304
(2) as a % of stand-by losses
(3) At nominal output
(4) Maintenance consumption, as a % of the input - according to the
standard EN15034

1 mbar = 10 mmWG = 10 daPa.

Conditions of use

:

Test conditions

:

Maximum operating temperature: 90 °C

CO

²

 Fuel oil = 13%

Maximum operating pressure: 4 bar

Ambient temperature: 20 °C

Thermostat adjustable from 30 to 90°C
Safety thermostat: 110 °C
80°C limiter thermostat - Condenser
Flue gas temperature safety thermostat: 120 °C

Boiler

GTU C

334

335

336

337

338

339

Nominal output Pn

at 50/30°C

kW

93.4

120.3

157.3

192.7

239.7

291.2

LHV efficiency - 100 % Pn - Average temperature: 
70 °C

%

97.8

96.9

96.4

98.1

97.7

97.6

LHV efficiency - 30 % Pn - Return temperature:

 

50 °C

%

101.5

101.4

101.1

102.2

101.8

101.5

LHV efficiency - 30 % Pn - Return temperature:

 

30 °C

%

103.0

102.8

103.0

104.7

104.0

103.8

Nominal water flow (Nominal output) - 

T = 20K

m

3

/h

4.019

5.178

6.769

8.293

10.312

12.530

Stand-by losses (1) , 

T = 

30K

W

710

741

774

1182

1208

1236

Losses through the outer 
casing (2)

%

69

73

78

83

87

93

Auxiliary electrical power (3) 

W

325

435

650

625

625

1100

Useful output range

at 50/30°C

kW

56.7-93.4

93.7-120.3

120.2-157.3

155.4-192.7

191.7-239.7

238.4-291.2

Useful output range

at 80/60°C

kW

55-90

90-115

115-150

150-185

185-230

230-280

Water content

l

113

133

153

177

197

217

Loss of load hydraulic circuit

T = 10K (1)

mbar

11

18

31

46

68

105

T = 15K (1)

mbar

4.6

7.4

14.2

19.5

30.1

46

T = 20K (1)

mbar

2.6

4.2

8.0

11

17

26

Combustion chamber

Inscribed diameter

mm

377

377

377

377

377

377

Length 

mm

613

718

854

993

1117

1245

Volume

m

3

0.096

0.122

0.148

0.174

0.200

0.226

Number of sections

4

5

6

7

8

9

Number of baffle plates

6

10

10

10

12

12

Mass flue gas flow rate (3) - at 50/30°C

Kg/h

149

191

248

306

381

463

Flue gas temperature (3)

°C

50

55

61

62

63

65

Pressure available at the flue gas nozzle

mbar

1.0

0.6

1.8

1.9

1.6

1.7

Loss of load flue gas side

mbar

0.45

0.8

1.0

1.3

1.6

2.3

Maintenance consumption (4)

 T = 30K

%

0.38

0.32

0.25

0.28

0.23

0.19

Burner type

M202-2S

M302-1S

M302-3S

M302-3S

M302-4S

M302-5S

Weight (empty)

kg

678

802

912

1117

1239

1366

Summary of Contents for GTU C 330

Page 1: ...PROJECT SUSTAINABLE COMFORT en User Guide Oil fired condensing boiler GTU C 330 ...

Page 2: ... 2 Boiler and Condenser 7 3 3 Description of the S3 control panel 8 3 4 Description of the B3 control panel 9 3 5 Description of the K3 control panel 10 4 Changing the settings 14 5 Start the boiler 15 6 Switching off the central heating 16 6 1 Stopping the central heating or activating the Summer mode 16 6 2 Prolonged absence 16 7 Checking and maintenance 17 7 1 Checks 17 7 2 Hydraulic pressure 1...

Page 3: ...essional in compliance with the prevailing regulations Check that the appliance is properly set for the type of gas used Keep to the polarity shown on the terminals phase L neutral N and earth 4 Check the seal on the gas and water pipe connections We shall not accept any responsibility for any damage and disturbance arising from not following these instructions Incorrect use or unauthorised modifi...

Page 4: ...s we are continuously endeavouring to make improvements in product quality All the specifications stated in this document are therefore subject to change without notice Our liability as the manufacturer may not be invoked in the following cases Failure to abide by the instructions on installing the appliance Failure to abide by the instructions on using the appliance Faulty or insufficient mainten...

Page 5: ...nformation must be kept in mind to maintain comfort ZReference Refer to another manual or other pages in this instruction manual 2 2 Abbreviations DHW Domestic hot water PPS Polypropylene hardly inflammable 3CE Collective conduit for sealed boiler Hi Lower heating value LHV Nett Hs Higher heating value HHV Gross 2 3 Homologations In general CE identification no 1312BT175R In particular for Germany...

Page 6: ...rs 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 S3 control panel K3 control pa...

Page 7: ... 4 Boiler flue gas system condenser connection pipe 5 Condenser 6 Condenser safety control box The housing consists of 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 Condensate discharge pipe 10 Heating return pipe 11 Recycling kit Option ...

Page 8: ...s 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 install...

Page 9: ...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 Afte...

Page 10: ...s orders from the DIEMATIC m 3 regulation into account The boiler is regulated by the boiler thermostat s Position TEST STB Temporary action to test the safety thermostat 4 Safety thermostat with manual reset Set to 110 C 5 Timed circuit breaker 10 A with delayed action and manual reset 6 Pump shutdown switch 7 Boiler thermostat 30 to 90 C A factory set stop limits the maximum temperature to 75 C ...

Page 11: ...0 to 90 C A factory set stop limits the maximum temperature to 75 C The stop may be moved if necessary ZSee Moving the thermostat stop 8 Boiler thermometer Boiler temperature display 9 Switch for selecting the number of burner stages 10 Connector for the programming tool 14 Boiler heat curve 15 DIEMATIC m3 regulator 16 Display The panel must always be supplied with 230V voltage to ensure the anti ...

Page 12: ...current time adjusted values parameters etc 7 Number of the boiler for which the parameters are displayed 8 The arrows flash when setting values can be modified using the and keys 9 Circuit operation symbols Opening the 3 way valve Closing the 3 way valve Displayed circuit pump on A B C Name of the circuit displayed 10 Arrows indicating the chosen time programme P1 P2 P3 or P4 for the circuit disp...

Page 13: ...s counters number of burner start ups number of burner operating hours etc 2 Set temperatures Day Heating DHW Pool 2 Set temperatures Night Heating DHW Access key to the secondary boilers Control panel K3 in a cascade If using only one boiler this key is inactive Setting the gradients for circuits A B and C Setting the parallel offsets DECAL DEP A DECAL DEP B or DECAL DEP C for the heating curves ...

Page 14: ... 4 Changing the settings 4 Changing the settings To change the temperature of the heating water or to change the programming Refer to the connection instructions supplied with the control panel Refer to the description of the installation ...

Page 15: ...te control unit used Set the On Off switch to 1 The boiler starts to operate B3 control panel Place the boiler thermostat 7 in the required position When preparing domestic hot water Place thermostat 11 on the required setting Setting 6 approx 60 C recommended This value must always be below the temperature limiter for the domestic hot water load Set the On Off switch to 1 K3 control panel Place t...

Page 16: ... switch to O ZSee Control panel instructions ZSee Burner instructions 2 Switch off the boiler electrical power supply 3 Close the fuel supply 6 2 Prolonged absence 6 2 1 Precautions required in the case of long boiler stops The boiler and the chimney must be swept carefully Close all the doors of the boiler to prevent air from circulating inside the boiler We advise removing the pipe which connect...

Page 17: ... the boiler when it is hot This operation should be required only a few times in each heating season with very low quantities of water otherwise look for the leak and repair it 7 3 Draining We advise you against draining the system unless it is absolutely necessary 7 4 Maintenance The boiler will only operate efficiently if the exchange surfaces are kept clean Ensure the Appliance is serviced in a...

Page 18: ...plate Before informing the fitter of a fault make a note of the following information 1 The type of control panel 2 Condenser rating plate Serial no of the appliance Manufacturing date 3 Boiler rating plate Boiler type Serial no of the appliance Manufacturing date 4 Burner rating plate Burner type Type of combustible Burner serial number Manufacturing date C001966 2 1 3 4 ...

Page 19: ...short circuited The installation is stopped Advise the installer AL 52 Domestic hot water sensor The sensor is cut The installation continues to operate but domestic hot water heating is no longer covered Advise the installer AL td Titanium anode The titanium anode is in open circuit or the tank is empty Production of domestic hot water is stopped This may be reactivated for 24 hours by disconnect...

Page 20: ...stic hot water production set the switch AUTO TEST STB to Advise the installer OUTL S A FAIL OUTL S B FAIL OUTL S C FAIL The sensor circuit has been broken or short circuited The circuit concerned goes from automatic to manual mode The pump operates Advise the installer ROOM S A FAIL ROOM S B FAIL ROOM S C FAIL The sensor circuit has been broken or short circuited The circuit concerned operates wi...

Page 21: ...n cap Press the resetting button of the burner Carry out the start up operations again Call your fitter Check the circuit breaker The burner is operating but the radiators are cold Bleed the radiators Checking the hydraulic pressure The hydraulic pressure must be a minimum of 0 8 bars Adjust the pressure if necessary avoiding a sudden influx of cold water into the boiler when it is hot If it is of...

Page 22: ...178 6 769 8 293 10 312 12 530 Stand by losses 1 T 30K W 710 741 774 1182 1208 1236 Losses through the outer casing 2 69 73 78 83 87 93 Auxiliary electrical power 3 W 325 435 650 625 625 1100 Useful output range at 50 30 C kW 56 7 93 4 93 7 120 3 120 2 157 3 155 4 192 7 191 7 239 7 238 4 291 2 Useful output range at 80 60 C kW 55 90 90 115 115 150 150 185 185 230 230 280 Water content l 113 133 153...

Page 23: ... and condensation Do not obstruct aeration grates even partially They help to reduce humidity in the home The more humid a home the more heating it consumes Turn heating off when airing a room 5 minutes a day is sufficient Avoid deregulating the thermostat Switch the On Off switch to Off Do not shut down heating completely if you are absent Lower the thermostat by 3 4 C Use the sun s heat as much ...

Page 24: ...of benefits for the purchaser of the legal guarantee as stated in Civil Code articles 1641 to 1648 Poland Warranty conditions are included in the warranty card Switzerland The application of the warranty is subject to the terms and conditions of sale delivery and warranty of the company marketing our products Belgium The preceding dispositions about the contractual guarantee are not exclusive of p...

Page 25: ...en Appendix Information on the ecodesign and energy labelling directives ...

Page 26: ...Contents 1 Specific information 3 1 1 Recommendations 3 1 2 Technical data 3 1 3 Disposal and recycling 4 Contents 2 300017846 ErP02 20012020 ...

Page 27: ... 0 006 0 006 0 006 Other characteristics Standby heat loss Pstby kW 0 710 0 741 0 774 Emissions of nitrogen oxides NOX mg kWh 79 99 95 1 Low temperature means for condensing boilers 30 C for low temperature boilers 37 C and for other heaters 50 C return temperature at heater inlet 2 High temperature regime means 60 C return temperature at heater inlet and 80 C feed temperature at heater outlet Tab...

Page 28: ...rs 30 C for low temperature boilers 37 C and for other heaters 50 C return temperature at heater inlet 2 High temperature regime means 60 C return temperature at heater inlet and 80 C feed temperature at heater outlet See The back cover for contact details 1 3 Disposal and recycling Recycling Warning Removal and disposal of the boiler must be carried out by a qualified installer in accordance with...

Page 29: ...1 Specific information 300017846 ErP01 31082015 5 ...

Page 30: ...1 Specific information 6 300017846 ErP01 31082015 ...

Page 31: ...chnological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations ...

Page 32: ... BDR THERMEA SLOVAKIA s r o SK DE DIETRICH Technika Grzewcza sp z o o PL www dedietrich cz www dedietrichsk sk www facebook com DeDietrichPL www dedietrich pl 420 271 001 627 dedietrich bdrthermea cz 421 907 790 221 info baxi sk 48 71 71 27 400 biuro dedietrich pl MEIER TOBLER AG CH www meiertobler ch 41 0 44 806 41 41 info meiertobler ch Bahnstrasse 24 CH 8603 SCHWERZENBACH Serviceline 41 0 8 00 ...

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