Table of Contents
Advertisement
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Glow-worm MicraCom 24c-AS/1
Summary of Contents for Glow-worm MicraCom 24c-AS/1
- Page 1 Installation and main- tenance instructions MicraCom 24c-AS/1 28c-AS/1 GB, IE...
-
Page 2: Table Of Contents
Contents Contents Checking the domestic hot water generation ..29 Checking leak-tightness ........29 9.10 Thoroughly flushing the heating installation Safety ..............3 ("hot")..............29 Intended use ............3 Adapting the unit to the installation ....29 Qualification ............3 10.1 Adapting the heating settings ...... -
Page 3: Safety
Safety 1 – Start-up Safety – Inspection and maintenance Intended use – Repair The product is intended as a heat generator – Decommissioning for sealed heating installations and for do- ▶ Proceed in accordance with current tech- mestic hot water generation. nology. - Page 4 1 Safety ▶ Notify the gas supply company or ▶ Ensure that the combustion air supply is the Emergency Service Provider free from sprays, solvents, chlorinated +44 (0) 800 111999 by telephone once you cleaning agents, paint, adhesives, am- are outside of the building. monia compounds, dust or similar sub- stances.
-
Page 5: Regulations (Directives, Laws, Standards)
Regulations (directives, laws, standards) ▶ Observe the national regulations, stand- ards, directives, ordinances and laws. List of relevant standards for Great Britain and Ireland ▶ You can find a list of relevant standards at https://www.glow-worm.co.uk/standards. 0020289288_02 MicraCom Installation and maintenance instructions... -
Page 6: Guarantee And Customer Service
To register your Glow-worm appliance visit: https://self-service.glow-worm.co.uk/warranty-registration Glow-worm is a licensed member of the Benchmark Scheme. Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by a competent person approved at the time... -
Page 7: Technical Data
Technical data 3 Technical data Technical data – General 24c-AS/1 28c-AS/1 Designated country (designation in accordance with ISO 3166) GB, IE GB, IE Permissible gas categories ll2H3P ll2H3P CE number 0063CU3005 0063CU3005 92 % 93 % Product-side gas connection 1/2" 1/2"... - Page 8 3 Technical data Technical data – Heating 24c-AS/1 28c-AS/1 Maximum heating flow temperature (factory setting – D.71) 75 ℃ 75 ℃ 30 to 75 ℃ 30 to 75 ℃ Maximum flow temperature adjustment range Maximum operating pressure (MWP) 0.3 MPa 0.3 MPa (3.0 bar) (3.0 bar)
-
Page 9: Notes On The Documentation 4
Product article number Safety Devices Article num- Gas Council Number 5.2.1 Electrical Supply Failure MicraCom 24c-AS/1 (H-GB) 0010026136 47-019-58 The boiler will not work without an electrical supply. Normal MicraCom 28c-AS/1 (H-GB) 0010026137 47-019-59 operation of the boiler should resume when the electrical supply is restored. -
Page 10: Data Plate
6 Set-up Data plate Serial number The data plate is mounted on the rear of the electronics box You can find the serial number on the data plate and on the and on the upper side of the product at the factory. Any in- sticker on the upper side of the product. -
Page 11: Installation Site
Set-up 6 6.4.1 Compartment Ventilation The boilers are very high efficiency appliances. 71.5 30.5 As a consequence the heat loss from the appliance casing during operation is very low. Ø15 3/4” 3/4” 1/2” 3/4” 3/4” Compartment ventilation is not required as the products are only certified, and can only be fitted with a concentric flue system. - Page 12 6 Set-up 6.5.2 Terminal protection A terminal guard is required if persons could come into con- tact with the terminal or the terminal could be subject to dam- age. If a terminal guard is required, it must be positioned to provide minimum of 50 mm clearance from any part of the terminal and be central over the terminal.
- Page 13 Set-up 6 6.5.3 Position of the air/flue terminal 6.5.3.1 Positioning the terminal of a fan-supported flue system Dimen- Installation site sions Adjacent to a boundary. 300 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang.
- Page 14 6 Set-up Dimen- Installation site sions Below eaves. 200 mm Below gutters, pipe and drains. 75 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang.
- Page 15 Set-up 6 Balcony/eaves Gutter The flue pipe must Adequately secured protrude beyond any overhang air/flue gas pipe You can use a plume management kit to enable the termination point to be positioned and directed away from the building fabric. 0020289288_02 MicraCom Installation and maintenance instructions...
- Page 16 6 Set-up 6.5.4.2 Vertical Concentric Flue ⌀ 60/100 mm or 6.5.4 Flue Configuration Description ⌀ 80/125 mm (C33 type installation) 6.5.4.1 Horizontal Concentric Flue ⌀ 60/100 mm or ⌀ 80/125 mm (C13 type installation) Gasket (fitted) Note Note If the terminal is at less than 1.80 m from the If the terminal is at less than 1.80 m from the ground, you must install a terminal protection kit.
-
Page 17: Using The Mounting Template
Installation 7 6.5.4.3 Multiple boiler chimney Flue ⌀ 60/100 mm or ⌀ 60/100 24c-AS/1 28c-AS/1 ⌀ 80/125 mm (C43 type installation) Equivalence to 1 elbow 90° Equivalence to 1 0.5 m 0.5 m elbow 45° ⌀ 80/125 24c-AS/1 28c-AS/1 Min. length (L) 0.3 m 0.3 m Max. -
Page 18: Requirements
7 Installation Caution. Caution. Risk of material damage due to the gas Risk of material damage caused by leak-tightness test. changes to the pipes that have already been connected. At a test pressure of >11 kPa (110 mbar), gas ▶ leak-tightness tests may cause damage to Only bend connection pipes if they have the gas valve. -
Page 19: Connecting Gas And Water
Installation 7 Refill the heating system with water. If you cannot guarantee that the materials from which the condensate discharge pipe is made are suitable, Check that the expansion relief valve of the heating install a system to neutralise the condensate. system is functioning correctly by turning the handle on the valve. - Page 20 7 Installation 7.5.4 Internal termination into combined sink Open end of pipe direct into gulley below ground level but above water level waste Susceptible to siphonage, must terminate in a gulley 7.5.7 External termination into rain water down pipe 100mm ≥...
-
Page 21: Connecting The Drain Pipework For The Expansion Relief Valve
Installation 7 Air/flue system Preferred option for external connection 7.8.1 Installing and connecting the air/flue pipe Connecting the drain pipework for the expansion relief valve You can find out which air/flue pipes may be used by consulting the enclosed set-up instructions for the air/flue system. - Page 22 7 Installation ▶ 7.9.1 Removing the front casing Only connect the connection cable to the terminals marked for the purpose. 230V 24V / eBUS Route the connection cable in the cable trunking on the underside of the product. Ensure that the grommet is plugged in correctly and that the cables have been routed correctly.
-
Page 23: Operation
Operation 8 Alternatives 1 ‒ Connecting the weather- Wiring diagram (→ Page 49) compensated control or room thermostat via 7.9.4 Establishing the power supply eBUS: ▶ Connect the control to the BUS connection (3) or Provide one common power supply for the boiler and (5). -
Page 24: Using Diagnostics Codes
9 Start-up Using diagnostics codes Exiting the installer level Call up the installer level. (→ Page 23) ▶ Press the button as often as necessary in order to return to the basic display. to select the diagnostics codes d. menu. ◁... -
Page 25: Filling The Heating Installation
Start-up 9 ▶ – If the entire filling and supplementary water quantity dur- If you have used the above-mentioned additives, inform ing the operating life of the system exceeds three times the end user about the measures that are required. ▶... -
Page 26: Purging The Heating Installation
P.00, restart the check ▶ Compare the measured values with the corresponding programme. values in the table. Filling and purging the domestic hot water Validity: MicraCom 24c-AS/1 (H-GB) system Qnw from H gas in m³/h P gas in m³/h the data Open the cold-water isolation valve on the product. - Page 27 Start-up 9 Caution. Risk of material damage and oper- ating faults caused by incorrect gas connection pressure/gas flow pres- sure. If the gas connection pressure/gas flow pressure lies outside the permissible range, this can cause operating faults in and damage to the product. ▶...
- Page 28 9 Start-up 9.6.6 Checking the CO₂ content 9.6.7 Performing a gas conversion Press the on/off button in order to switch off the product. ◁ The display shows oF and then goes out. Disconnect the product from the power grid. Remove the plug (1). To convert the gas type, turn the screw (2) by the spe- cified number of rotations clockwise (↻) or anti-clock- wise (↺).
-
Page 29: Checking The Heating Mode
Adapting the unit to the installation 10 10 Adapting the unit to the installation Checking the heating mode Make sure that there is a heat requirement. 10.1 Adapting the heating settings Activate the display of the status codes. (→ Page 24) ◁... -
Page 30: 11 Handing Over To The End User
Diagnostics codes (→ Page 40) Remove the front casing. (→ Page 22) 10.1.2.2 Pump diagram - pressure loss graph Hinge the electronics box downwards. Validity: MicraCom 24c-AS/1 (H-GB) Regulate the pressure using the adjusting screw (1). Position of the Pressure... -
Page 31: 12 Inspection And Maintenance
Inspection and maintenance 12 ▶ For IE: Complete a “Declaration of Conformity” to indicate compliance to I.S. 813. An example of this is given in the current edition of I.S. 813. ▶ When you have finished the installation, affix the en- closed sticker (which requests that the user reads the instructions) to the front of the product in the end user's language. -
Page 32: Moving The Expansion Vessel To The Maintenance Position On The Combustion Block
12 Inspection and maintenance G31 – Setting the CO₂ content 12.3 Moving the expansion vessel to the maintenance position on the hydraulic block Great Britain Liquefied petroleum gas Removed front Fitted front cas- casing 10.4 ±0.3 % 10.6 ±0.3 % CO₂... - Page 33 Inspection and maintenance 12 Protect the electrical components (e.g. the electronics Remove the plug (4) from the ignition device. box) from spraying water. Remove the earth cable (3) from the ignition electrode. Use only new seals. Unscrew the union nut (6) from the gas valve assembly. Undo the four nuts (1) on the burner flange (2).
- Page 34 12 Inspection and maintenance 12.4.3 Cleaning the heat exchanger Check the insulating mat (2) on the burner flange for damage. Result: Insulating mat damaged ▶ Replace the insulating mat (→ Spare parts instruc- tions for the burner flange insulating mat). 12.4.5 Installing the compact thermal module Clean the heating coil (2) on the heat exchanger (4) using water or, if required, vinegar (to a maximum of...
- Page 35 Inspection and maintenance 12 – 12.4.7 Checking and cleaning the restrictor for the Tightening torque: 6 Nm, if a torque spanner is available reference pressure pipe Reconnect the earth cable (3) to the ignition electrode. Reconnect the plug (5) to the gas valve assembly. Reconnect the plug (4) to the ignition device.
- Page 36 12 Inspection and maintenance – 12.4.10 Cleaning the condensate siphon Working materials: Digital pressure gauge Result 1: ≥ 0.075 MPa (≥ 0.750 bar) The pre-charge pressure is in the permissible range. Result 2: < 0.075 MPa (< 0.750 bar) ▶ Fill the expansion vessel in accordance with the static height of the heating installation;...
-
Page 37: Draining The Product
Troubleshooting 13 12.5 Draining the product 13.2 Eliminating faults Active faults appear in the display's basic display. ▶ Call up the fault memory to find out which faults occurred most recently on the product. (→ Page 37) ▶ Use the table in the appendix to eliminate the faults. Fault codes (→... - Page 38 13 Troubleshooting – Take all necessary precautions to ensure that it cannot be switched back on again. Disconnect the product from the mains power. Close the service valves of the product. Remove the front casing. (→ Page 22) Hinge the electronics box downwards. Protect the electrical components (e.g.
-
Page 39: 14 Decommissioning
Dispose of the packaging correctly. ▶ Observe all relevant regulations. ▶ For detailed information refer to www.glow-worm.co.uk. 16 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. -
Page 40: Appendix
Appendix Appendix Inspection and maintenance work 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. Each time inspection and maintenance work is carried out, carry out the required preparatory and com- pletion work. - Page 41 Appendix Values Factory Code Parameter Unit Increment, select, explanation setting Min. Max. ℃ – – d.06 Target domestic hot wa- Current value ter temperature – – d.08 Status of the 230 V room Current value OF = Open (0 V, no heating mode) thermostat on = Closed (230 V, heating mode) ℃...
- Page 42 Appendix Values Factory Code Parameter Unit Increment, select, explanation setting Min. Max. – d.31 Automatic filling device 0 = Manual 1 = Semi-automatic 2 = Automatic – d.33 Fan speed target value Current value Fan speed = Display value x 1000 –...
-
Page 43: C Status Codes
Appendix Values Factory Code Parameter Unit Increment, select, explanation setting Min. Max. – – d.83 Number of burner igni- Current value Number of ignitions = Display value x 1000 tions in domestic hot wa- ter mode – – – d.85 Increase in the min. -
Page 44: D Fault Codes
Appendix Statuscode Meaning S.32 The waiting period for the fan start-up is activated. S.34 The frost protection function is activated. S.39 "Burner off contact" has triggered (e.g. surface-mounted thermostat or condensate pump) S.41 The system pressure is too high. S.42 Flue non-return flap return signal blocks burner operation (only in conjunction with the multi-functional module) or condensate pump defective, heat demand is blocked. - Page 45 Appendix Message Possible cause Measure ▶ F.20 Black discharge via the ignition Check the ignition cable, ignition plug and ignition electrode. cable, ignition plug or ignition Temperature cut-out safety electrode shutdown ▶ F.22 Insufficient/no water in the Fill the heating installation. product.
- Page 46 Appendix Message Possible cause Measure ▶ F.29 The gas supply is interrupted Check the gas supply. ▶ Ignition and check faults during Incorrect flue gas recirculation Check the flue gas recirculation. operation – flame has gone out ▶ Earthing defective Check the product's earthing.
- Page 47 Appendix Message Possible cause Measure ▶ F.64 Flow temperature sensor short Check that the flow temperature sensor works correctly. circuit Fault: Electronics/temperature ▶ sensor Return temperature sensor Check that the return temperature sensor works correctly. short circuit ▶ PCB defective Replace the PCB.
-
Page 48: E Check Programmes
Appendix Message Possible cause Measure ▶ F.83 Insufficient/no water in the Fill the heating installation. product. Fault: NTC temperature fluctu- ation ▶ F.84 Flow temperature sensor in- Check whether the flow temperature sensor has been installed stalled incorrectly correctly. NTC temperature difference is ▶... -
Page 49: F Wiring Diagram
Appendix Wiring diagram Burner off X106 RT 24V eBUS eBUS – Burner 24V= 230V~ RT 230Vac 230Vac Main PCB Heating flow temperature sensor PCB for the control element Heating return temperature sensor Limit thermostat with contact for underfloor heating, Burner off Gas valve assembly (optional) Prioritising diverter valve... -
Page 50: G Commissioning Checklist
Appendix Commissioning Checklist Benchmark Commissioning & Warranty Validation Service Record It is a requirement that the boiler is installed and commissioned to the manufacturers’ instructions and the data fields on the commissioning checklist completed in full. To instigate the boiler warranty the boiler needs to be registered with the manufacturer within one month of the installation. - Page 51 Appendix GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD Address: Boiler make and model: Boiler serial number: Commissioned by (PRINT NAME): Gas Safe registration number: Company name: Telephone number: Company email: Company address: Commissioning date: Heating and hot water system complies with the appropriate Building Regulations? Time, temperature control and boiler interlock provided for central heating and hot water Boiler Plus requirements (tick the appropriate box(s)) Weather compensation...
- Page 52 Appendix SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER SERVICE/INTERIM WORK ON BOILER Date:...
- Page 53 Appendix SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER SERVICE/INTERIM WORK ON BOILER Date:...
-
Page 54: Index
Index Index Installing the compact thermal module........ 34 Installing the front casing............. 27 Installing the gas connection ..........19 Air ratio setting ..............28 Installing the heating flow ............ 19 Article number ..............10 Installing the heating return ..........19 Insulating mat, burner flange.......... - Page 56 Nottingham Road ‒ Belper ‒ Derbyshire DE56 1JQ Telephone 01773 824639 ‒ Technical helpline 0330 100 7679 After sales service 0330 100 3142 www.glow-worm.co.uk © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent.
Need help?
Do you have a question about the MicraCom 24c-AS/1 and is the answer not in the manual?
Questions and answers