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Summary of Contents for Glow-worm ENERGY 25c
- Page 1 Installation and main- tenance instructions ENERGY GB, IE...
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Page 2: Table Of Contents
Contents Contents Adapting the unit to the heating installation............21 Burner anti-cycling time ........21 Safety ..............4 Setting the pump output........21 Action-related warnings ......... 4 Setting the bypass valve........22 Risk caused by inadequate qualifications....4 Setting the hot water temperature ....... 22 Intended use ............ - Page 3 Contents Pipe lengths for the air/flue pipe ...... 46 Length of the C13 type air/flue pipe..... 46 Length of the C33 type air/flue pipe..... 46 Length of the C43 type air/flue pipe..... 46 Technical data............ 46 Index ................... 49 0020177746_03 ENERGY Installation and maintenance instructions...
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Page 4: Safety
1 Safety Safety air/flue pipe accessories listed in the other applicable documents. Action-related warnings Intended use includes the following: Classification of action-related warnings – observance of accompanying operating, The action-related warnings are classified in installation and servicing instructions for accordance with the severity of the possible the product and any other system compon- danger using the following warning signs and ents... - Page 5 Safety 1 ▶ Install the necessary safety devices in the 1.4.2 Risk of death from escaping flue system. ▶ Observe the applicable national and inter- If you operate the product with an empty con- national laws, standards and guidelines. densate trap / siphon, then flue gas may es- cape into the room air.
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Page 6: Regulations (Directives, Laws, Standards)
1 Safety 1.4.12 Risk of material damage caused by using an unsuitable tool ▶ Use the correct tool to tighten or loosen threaded connections. Regulations (directives, laws, standards) ▶ Observe the national regulations, stand- ards, guidelines and laws. Installation and maintenance instructions ENERGY 0020177746_03... -
Page 7: Notes On The Documentation
= year of production For quality control purposes; 5th and 6th Benchmark digits = week of production Glow-worm is a licensed member of the Benchmark For identification purposes; 7th to 16th Scheme. digits = product article number For quality control purposes; 17th to 20th... -
Page 8: Functional Elements: Combination Unit
4 Set-up CE label Information on the Meaning identification plate Read the instructions. GC no. Gas council number The CE label shows that the products comply with the basic requirements of the applicable directives as stated on the Functional elements: Combination unit identification plate. -
Page 9: Dimensions
Set-up 4 Heating return Connection on the top Number Designation of the air/flue pipe Connection on the back Connection pipe (heating flow and return) of the air/flue pipe Cold water connection pipe Domestic hot water connection pipe Minimum clearances Gas pipe Expansion relief valve discharge pipe Mounting template Enclosed documentation... -
Page 10: Removing/Installing The Front Casing
4 Set-up Removing/installing the side section Conditions: The load-bearing capacity of the wall is sufficient, The fixing material may be used for the wall 4.9.1 Removing the side section ▶ Wall-mount the product as described. Caution. Conditions: The load-bearing capacity of the wall is not sufficient Risk of material damage caused by mech- ▶... -
Page 11: Installation
Installation 5 Installation Note Apply heat insulation to the water pipes to the Danger! boiler outlet and to the installation. Risk of scalding and/or damage due to incorrect installation leading to escaping Preliminary work water. Check that the system volume and the volumetric capa- city of the expansion vessel are compatible. -
Page 12: Connecting The Drain Pipework For The Expansion Relief Valve
5 Installation ▶ Connecting the drain pipework for the For any installation the condensate must be free flowing and not be possible for air back-pressure to prevent wa- expansion relief valve ter flow. ▶ As with other pipe work insulate the condensate dis- charge pipe to minimise any risk of freezing and beware when crossing cavities that the fall is maintained and the pipe sleeved. -
Page 13: Electrical Installation
Installation 5 5.4.1.4 Internal termination into combined sink 5.4.1.7 External termination into rain water down waste pipe Ø19mm Ø19mm Ø30mm Ø30mm 5.4.1.5 Internal termination downstream of sink Electrical installation waste Danger! Risk of death from electric shock! The power supply terminals L and N remain Ø19mm live even if the product is switched off: ▶... - Page 14 5 Installation – 5.5.2 Closing the electronics box Power supply: Single-phase, 230 V, 50 Hz – Fuse protection: ≤ 3 A ▶ Follow the instructions in the reverse order. Open the electronics box. (→ Page 13) Observe the routing of the power supply cable (1) in the 5.5.3 Cable route electronics box in order to guarantee that there is no...
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Page 15: Operation
Operation 6 Operation 5.5.6 Connecting controllers to the electronic system Using diagnostics codes You can use the parameters marked as adjustable in the table of diagnostics codes to adapt the product to the system and customer requirements. 24 V Overview of diagnostics codes (→ Page 30) 6.1.1 Activating diagnostics codes –... -
Page 16: Using Check Programmes
7 Start-up ◁ Start-up The display switches to the basic display. Using check programmes Carrying out the initial start-up By activating various check programmes, you can trigger Initial start-up must be carried out by a customer service various special functions on the product. technician or an authorised competent person using the first- commissioning-checklist. -
Page 17: Avoiding Danger Arising From Insufficient Water Pressure
Start-up 7 ▶ ▶ Do not use any unsuitable frost and cor- If the value is below 6.5 or above 8.5, clean the system and treat the heating water. rosion protection agents, biocides or seal- ▶ Ensure that oxygen cannot get into the heating water. ants. -
Page 18: Switching On The Product
7 Start-up ◁ Filling the condensate siphon The pressure value flashes in the display until a pressure of 0.05 MPa (0.5 bar) or higher has been reached. Switching on the product ▶ Switch on the product via the main switch installed on- site. - Page 19 Start-up 7 ▶ Permissible connection pressure In addition, ensure that maximum heat can be dissipated into the heating system by turning up the room thermo- Great Bri- Natural 1.7 … 2 kPa stat. tain (17.0 ▶ Wait at least 5 minutes until the boiler has reached its …...
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Page 20: Checking Leak-Tightness
7 Start-up – 7.10.3 Checking the leak-tightness of the flue gas Waiting period for reading a stable value: 5 min installation and flue gas recirculation Check the flue gas installation is intact in accordance with the latest gas safe technical bulletin and informa- tion supplied in the installation instructions. -
Page 21: Adapting The Unit To The Heating Installation
Adapting the unit to the heating installation 8 Status codes – Overview (→ Page 34) Flow rate-pressure curves for 25 kW ◁ (pressure measured downstream of the valves) If the product is working correctly, the display shows S.14. Adapting the unit to the heating installation You can reset/change the system parameters (section "Us- ing diagnostics codes"). -
Page 22: Setting The Bypass Valve
9 Handing the product over to the end user Setting the hot water temperature Flow rate at maximum Available pressure output (ΔT = 20K) (kPa) Throughput in circuit Danger! (l/h) Risk of death from legionella. Legionella multiply at temperatures below Setting the bypass valve 60 °C. -
Page 23: Procuring Spare Parts
Inspection and maintenance 10 10.3 Procuring spare parts 10.5 Setting the CO₂ content The original components of the product were also certified Conditions: The CO₂ content must be adjusted by the manufacturer as part of the declaration of conformity. If you use other, non-certified or unauthorised parts during maintenance or repair work, this may void the conformity of the product and it will therefore no longer comply with the applicable standards. -
Page 24: Removing The Gas-Air Mixture Unit
10 Inspection and maintenance 10.6 Removing the gas-air mixture unit Note The gas-air mixture unit consists of three main components: – Fan – Gas valve, – Burner cover Switch off the product via the main switch. Close the gas isolator cock. Remove the front casing. -
Page 25: Checking The Burner
Inspection and maintenance 10 10.8 Checking the burner Note Check whether the float is present in the Search the surface of the burner for possible damage. If condensate siphon. you see any damage, replace the burner. Install the two new burner seals. Clip the lower section of the siphon (1) into the upper 10.9 Checking the ignition electrode... -
Page 26: Installing The Gas-Air Mixture Unit
11 Troubleshooting 10.13 Installing the gas-air mixture unit 11.2 Calling up the fault memory Install the burner. The last 10 fault codes are stored in the fault memory (to- gether with the time at which the respective fault occurred Install two new burner seals in the burner hood. and, after 24 hours, with the number of days). - Page 27 Troubleshooting 11 Remove the gas pipe (1). 11. Remove the clip underneath the condensate tray (1). 12. Undo the four screws (2). Remove the temperature sensor (3). Remove the upper clip (1). 13. Remove the ignition electrode (1). Remove the lower clip (4). 14.
- Page 28 11 Troubleshooting 11.6.5 Replacing the expansion vessel 11.6.7 Replacing the PCB for the user interface Undo the nut (3). Remove both screws on the support plate (1). Remove the support plate. Pull out the expansion vessel (2) towards the front. Insert the new expansion vessel into the product.
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Page 29: Checking The Product For Leak-Tightness
Close the cold water stop cock. 13 Customer service For contact details for our customer service department, you can write to the address that is provided on the back page, or you can visit www.glow-worm.co.uk. 0020177746_03 ENERGY Installation and maintenance instructions... -
Page 30: Appendix
Appendix Appendix Check programmes – Overview Note Since the programme table is used for various products, some programmes may not be visible for the product in question. Display Meaning P.01 Burner operation on adjustable heat input: The product operates after ignition with the heat input set between "0" (0% = Pmin) and "100" (100% = Pmax). The function is active for 15 minutes. - Page 31 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code ℃ – – d.04 Water temperature in the Current value cylinder adjustable ℃ – – d.05 Determined heating flow Current value set target temperature adjustable ℃...
- Page 32 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – – d.22 Status of the hot water Current value off = No current requirement request adjustable on = Current requirement – – d.23 Status of the heating Current value...
- Page 33 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code d.51 Correction of the max- -2500 -1000 Adjustable imum fan speed Fan speed = Display value x 10 – d.58 Solar circuit reheating 0 = Boiler's Legionella protection Adjustable function deactivated...
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Page 34: C Status Codes - Overview
Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – – – d.91 Status DCF77 Current value adjustable – – d.93 Setting the product code Adjustable The Device Specific Number (DSN) can be found on the iden- tification plate. -
Page 35: D Overview Of Fault Codes
Appendix Status code Meaning S.32 Fan waiting time: Fan speed outside of the tolerance values S.33 Forced fan operation until the pressure monitor is switched S.34 Frost protection active S.39 Underfloor heating contact open S.41 Water pressure too high S.42 Flue non-return flap closed S.46 Frost protection mode (Comfort): Minimum load... - Page 36 Appendix Fault code Meaning Possible cause F.28 Fault: Ignition unsuccessful when starting Gas meter defective or gas pressure monitor has triggered, air in gas, gas flow pressure too low, thermal isolator device (TAE) has triggered, incorrect gas restrictor, incorrect spare gas valve, fault on the gas valve, multiple plug on PCB incorrectly plugged in, break in cable harness, ignition system (ig- nition transformer, ignition cable, ignition plug, ignition electrode) defective, ionisation current interrupted (cable, electrode), incorrect earthing of product,...
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Page 37: E Wiring Diagram: Combi Boiler
Appendix Fault code Meaning Possible cause Connection No communication between the PCB Electronics defective and the user interface Wiring diagram: Combi boiler Burner off RT 24V X106 eBUS – Burner 24V= 230V~ RT 230Vac 230Vac Main PCB 3-port diverter valve Interface PCB Pressure sensor Timer... -
Page 38: F Wiring Diagram: Combi Boiler (35 Kw)
Appendix Wiring diagram: Combi boiler (35 kW) Burner off RT 24V X106 eBUS – Burner 24V= 230V~ RT 230Vac 230Vac Main PCB 3-port diverter valve Interface PCB Pressure sensor Timer Flow rate sensor Temperature sensor on the heating flow External ignition transformer Temperature sensor on the heating return Heating pump Ionisation and ignition electrode... -
Page 39: G Inspection And Maintenance Work - Overview
Appendix Inspection and maintenance work – Overview The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na- tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of the intervals listed in the table. -
Page 40: H Position Of The Opening In The Air/Flue Pipe
Appendix Position of the opening in the air/flue pipe D, E Positioning of the opening of a fan-supported flue gas pipe Minimum dimen- Installation site sions Directly below an opening, air bricks, opening windows, etc., that can be opened. 300 mm Above an opening, air bricks, opening windows, etc., that can be opened. -
Page 41: Horizontal Terminal Positioning
Appendix Horizontal terminal positioning BS 5440-1 recommends that fanned flue chimney terminals should be positioned as follows: a) at least 2 m from an opening in the building directly opposite, and b) so that the products of combustion are not directed to discharge directly across a boundary if the products are likely to cause a nuisance to a neighbour or discharge over a walkway or patio. -
Page 42: I Commissioning Checklist
Appendix Commissioning Checklist Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the completed in full. www.centralheating.co.uk © Heating and Hotwater Industry Council (HHIC) Installation and maintenance instructions ENERGY 0020177746_03... - Page 43 Appendix GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. CONTROLS Optimum start control Fitted...
- Page 44 Appendix SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider SERVICE 01 SERVICE 02 ² % ² % ² % ² % SERVICE 03 SERVICE 04 ²...
- Page 45 Appendix PRIOR TO CO AND COMBUSTION RATIO CHECK NOTE The boiler manufacturer’s installation instructions should have been followed, gas type verified and gas THE AIR GAS RATIO VALVE IS FACTORY supply pressure/rate checked as required prior to commissioning. SET AND MUST NOT BE ADJUSTED As part of the installation process, especially where a flue has been fitted by persons other than the DURING COMMISSIONING UNLESS THIS boiler installer, visually check the integrity of the whole flue system to confirm that all components are...
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Page 46: J Pipe Lengths For The Air/Flue Pipe
(H-GB) ≤ 5 m ENERGY 35c -A (H-GB) Technical data Technical data – Heating ENERGY 25c -A (H- ENERGY 30c -A (H- ENERGY 35c -A (H- 10 … 80 ℃ 10 … 80 ℃ 10 … 80 ℃ Max. flow temperature adjustment range (default setting: 75 °C) - Page 47 Appendix ENERGY 25c -A (H- ENERGY 30c -A (H- ENERGY 35c -A (H- Approximate value for the 1.84 l/h 2.55 l/h 2.57 l/h condensate volume (pH value between 3.5 and 4.0) at 50/30 °C ΔP heating at nominal flow (ΔT = 0.025 MPa...
- Page 48 Appendix ENERGY 25c -A (H- ENERGY 30c -A (H- ENERGY 35c -A (H- Gas flow at P max. – hot water 2.7 m³/h 3.2 m³/h 3.8 m³/h (G20) Gas flow at P max. – heating mode 1.9 m³/h 2.7 m³/h 2.7 m³/h...
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Page 49: Index
Index Index Maintenance work ............22, 39 Minimum clearance ............... 9 Air/flue pipe, installed ............5 Power supply............... 14 Burner anti-cycling time............21 Preparing the repair work ............ 26 Preparing, repair work ............26 Bypass valve ............... 22 Pressure sensor ..............29 Pump head ................ - Page 52 Nottingham Road ‒ Belper ‒ Derbyshire DE56 1JQ Telephone 01773 824639 ‒ Technical helpline 0330 100 7679 After sales service 0330 100 3142 0020177746_03 www.glow-worm.co.uk 0020177746_03 ‒ 16.11.2017 © These instructions, or parts thereof, are protected by copyright and may be repro- duced or distributed only with the manufacturer's written consent.
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