DeDietrich GT 430 Service Manual
Fuel oil/gas boilers
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Also See for GT 430:
- Operating instructions manual (37 pages) ,
- Installation and service manual (40 pages)
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Table of Contents
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Summary of Contents for DeDietrich GT 430
- Page 1 Fuel oil/gas boilers GT 430 Installation and Service Manual 300011893-001-B...
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Page 2: Table Of Contents
Spare parts - GT 430 ........ -
Page 3: Declaration Of Compliance Ce
European Directives: Product type GT 430 - Fuel oil/gas boilers Formats 8, 9, 10, 11, 12, 13, 14, sections Standard applied - 90/396/EEC Gas Appliance Directive Reference Standard : EN 303.1 / EN 303.2 / EN 304... -
Page 4: Introduction
Risk of injury and damage to equipment. Attention must be paid to the warnings on Caution danger safety of persons and equipment Specific information Information must be kept in mind to maintain comfort Reference Refer to another manual or other pages in this instruction manual GT 430 03/12/07 - 300011893-001-B... -
Page 5: Description
3 Description The boilers of the GT 430 range are pressurised hot water boilers designed for connecting to a flue pipe which require a separate automatic fuel-oil or gas burner. 3.1 The various existing control panels 3.1.1 - S3 Standard control panel... - Page 6 A version of the B3 control panel with lateral attachment is also comprising the settings, control and safety devices allowing the boiler available. to operate autonomously. This panel makes it possible to give priority to DHW. GT 430 03/12/07 - 300011893-001-B...
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Page 7: Technical Characteristics
Boilers for following countries: France - Belgium - Spain - Luxemburg - Czech Republic - Portugal - Estonia Maximum operating pressure: 6 bar Maximum operating temperature: 100°C Boiler thermostat setting: 30 to 90°C Safety thermostat: 110°C Boiler GT 430-8 GT 430-9 GT 430-10 GT 430-11 GT 430-12 GT 430-13 GT 430-14... - Page 8 Boilers for following countries: Germany - Austria - Poland - Slovenia - Serbia Maximum operating pressure: 6 bar Maximum operating temperature: 120°C Boiler thermostat setting: 30 to 90°C Safety thermostat: 110°C Boiler GT 430-8 GT 430-9 GT 410-10 GT 430-11 GT 430-12 GT 430-13...
- Page 9 3.2.3 Boilers for following countries: Switzerland Maximum operating pressure: 6 bar Maximum operating temperature: 120°C Boiler thermostat setting: 30 to 90°C Safety thermostat: 110°C Boiler GT 430-8 GT 430-9 GT 410-10 GT 430-11 GT 430-12 GT 430-13 GT 430-14 Useful output...
- Page 10 3.2.4 Boilers for following countries: Russia Maximum operating pressure: 6 bar Maximum operating temperature: 100°C Boiler thermostat setting: 40 to 85°C Safety thermostat: 110°C Boiler GT 430-8 GT 430-9 GT 410-10 GT 430-11 GT 430-12 GT 430-13 GT 430-14 Useful output...
- Page 11 Boilers for following countries: Bulgaria - China - Greece - Romania - Tunisia - Cyprus - Denmark - Sweden - Norway - Finland Maximum operating pressure: 6 bar Maximum operating temperature: 100°C Boiler thermostat setting: 40 to 85°C Safety thermostat: 110°C Boiler GT 430-8 GT 430-9 GT 410-10 GT 430-11 GT 430-12 GT 430-13 GT 430-14...
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Page 12: Main Dimensions
- Front section : 455 Rp 2 draining outlet - Intermediate section : 530 Sludge removal hole Ø Rp 2 1/2 - plugged Equivalent diameter (in mm) : 573 Boiler type GT 430-8 GT 430-9 GT 410-10 GT 430-11 GT 430-12 GT 430-13 GT 430-14 ø... -
Page 13: Installing The Boiler
4 Installing the boiler 4.1 Boiler location For the assembly and because of their design, GT 430 boilers require no special base. Their closed furnace system means that the floor need not have refractory properties. All you have to ensure is that the floor can support the weight of the boiler when it is fitted for operation. -
Page 14: Ventilation
Do not stock such products close to the boilers. If the boiler and/or peripheral equipment are corroded by such chloride or fluoride compounds, the contractual guarantee cannot be applied. 5 Mounting For mounting instructions, see installation instructions. GT 430 03/12/07 - 300011893-001-B... -
Page 15: Hydraulic Connections
(France: DTU - 65.11, § 4.22 - NF P 52- 203). The expansion vessel must be connected directly to the boiler without valves or stop valves. Likewise, the safety valve must be connected directly to the boiler without valves or stop valves. 03/12/07 - 300011893-001-B GT 430... - Page 16 Pressure reducer (if mains pressure 5.5 bar) Sealed safety unit calibrated to 7 bar with indicator type discharge Independent domestic hot water tanks Domestic hot water loop pump (optional) Domestic hot water circulation loop return Domestic hot water outlet GT 430 03/12/07 - 300011893-001-B...
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Page 17: Important Recommendations For Connecting The Boiler To The Heating Circuit
- The water temperature in the boiler is maintained at 50°C or more ; the first stage must be set to a minimum of 30% of the nominal stage. - Operation at modulated low temperature (minimum outlet temperature: 40°C) ; the first stage must be set to a minimum of 50% of the nominal stage. 03/12/07 - 300011893-001-B GT 430... -
Page 18: Filling The System
Comments : never replace a boiler in an existing system without carefully rinsing the system first. Install a sludge decanting pot on the return pipe, very close to the boiler. GT 430 03/12/07 - 300011893-001-B... -
Page 19: Chimney Connection
Refer to applicable regulations while determining the size of the flue. In order for the boiler to operate correctly, it is imperative Please note that GT 430 boilers have pressurised and tight furnaces to respect the draught at the nozzle (= 0). -
Page 20: Fuel-Oil Or Gas Connections
- Max øB = 330 mm with 4 fastenings at 15° or 45° øA øB øM Refer to the instructions supplied with the burner. 9 Electrical connections Refer to the connection instructions supplied with the control panel.. GT 430 03/12/07 - 300011893-001-B... -
Page 21: Maintenance
- Carefully sweep the flue ways with the brush supplied for that purpose. - Brush the baffle plates. - If possible, use a vacuum cleaner. - Cut the power supply to the boiler. - Remove the upper front panel. 03/12/07 - 300011893-001-B GT 430... -
Page 22: Positioning Of The Baffle Plates
Boilers for following countries: France / Germany / Switzerland / Belgium / Spain / Luxemburg / Portugal / Austria / Czech Republic / Poland / Slovenia / Estonia / Serbia Boiler GT 430-8 GT 430-9 - GT 430-10 GT 430-11 - GT 430-12 GT 430-13 - GT 430-14 2 x 8229-0010 and... -
Page 23: Cleaning The Combustion Chamber
A chemical reagent is applied to the boiler's heating surfaces. After application, the reaction is completed by igniting the burner. The initial deposits are neutralised and pyrolised. The remaining pulverent residues are easy to remove by sweeping or vacuum cleaning. 03/12/07 - 300011893-001-B GT 430... - Page 24 (domestic boiler), i.e. 0.05 to 0.2 l of concentrate. Ignition The burner is ignited after allowing the product time to penetrate for 2 to 5 min. Refer to the instructions supplied with the product. GT 430 03/12/07 - 300011893-001-B...
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Page 25: Cleaning The Casing Material
10.5 Precautions required if the heating is stopped when there is a risk of freezing We recommend the use of a correctly dosed antifreeze agent to prevent to the heating circuit from freezing. If this cannot be done, drain the system completely. 03/12/07 - 300011893-001-B GT 430... -
Page 26: Burner Maintenance
The rating plate fixed on the side of the boiler during installation is used to identify the boiler correctly and also provides the main specifications of the boiler. A Boiler type B Year C Week D Serial no. of the appliance GT 430 03/12/07 - 300011893-001-B... -
Page 27: Spare Parts - Gt 430
Spare parts - GT 430 To order a spare part, quote the reference number next to the part required. 22/01/07- 300011893-002-B Boiler body + Miscellaneous DE DIETRICH THERMIQUE S.A.S. - Spare parts centre 4 rue d’Oberbronn - F-67110 REICHSHOFFEN -... - Page 28 Casing Insulating material for body GT 430 03/12/07 - 300011893-001-B...
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Page 29: Control Panels
Package MD2 Side panel - Package MD139 Separate panel - Control panel DIEMATIC-m3 Package MD1 Side panel - Package MD138 Separate panel - Control panel B3 Package MD3 Side panel - Package MD140 Separate panel - 03/12/07 - 300011893-001-B GT 430... - Page 30 9495-0050 Plug 1/4" 8802-4710 Flow controller GT 409 8229-0532 Plate for combustion chamber door, no opening 8802-4712 Flow controller GT 430-10 Plate for combustion chamber door with opening ø 8229-0546 8802-4722 Flow controller GT 430-11 8802-4725 Flow controller GT 412 Plate for combustion chamber door with opening ø...
- Page 31 8229-8820 Complete cable way, left, GT 409 8229-4018 Insulating material for body - Length 600 mm 8229-8821 Complete cable way, left, GT 430-10 8229-4009 Insulating material for body - Length 800 mm 8229-8822 Complete cable way, left, GT 430-11 8229-4012...
- Page 32 Sub-assemblies such as motors, pumps, electric valves etc. are guaranteed only if they have never been dismantled. GT 430 03/12/07 - 300011893-001-B...
- Page 33 03/12/07 - 300011893-001-B GT 430...
- Page 34 GT 430 03/12/07 - 300011893-001-B...
- Page 35 03/12/07 - 300011893-001-B GT 430...
- Page 36 © Copyright All technical and technological 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. 03/12/07 DE DIETRICH THERMIQUE 57, rue de la Gare F- 67580 MERTZWILLER - BP 30...