Glow-worm Ultracom 24cxi Installation And Servicing
  1. Manuals
  2. Brands
  3. Glow-worm Manuals
  4. Boiler
  5. Ultracom 24cxi
  6. Installation and servicing

Glow-worm Ultracom 24cxi Installation And Servicing

High efficiency condensing combination boilers ultracom2cxi
Hide thumbs Also See for Ultracom 24cxi:
Table of Contents

Advertisement

Quick Links

See also: Installation and Servicing , Instructions for Use Manual
Ultracom
Installation and Servicing
24cxi
G.C. No. 47-019-10
30cxi
G.C. No. 47-019-11
35cxi
G.C. No. 47-019-12
High Efficiency Condensing
Combination Boilers
www.glow-worm.co.uk
cxi
2

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Ultracom 24cxi and is the answer not in the manual?

Questions and answers

Related Manuals for Glow-worm Ultracom 24cxi

Summary of Contents for Glow-worm Ultracom 24cxi

  • Page 1 Ultracom Installation and Servicing 24cxi G.C. No. 47-019-10 30cxi G.C. No. 47-019-11 35cxi G.C. No. 47-019-12 High Efficiency Condensing Combination Boilers www.glow-worm.co.uk...
  • Page 2 the nation’s favourite PLUMBING & HEATING SUPPLIES FREE SHIPPING SECURE PAYMENTS on all orders over £100 to mainland UK shop online with confidence FINANCE AVAILABLE PRICE MATCH spread the cost with low interest rates always get the best deals available we have H U G E R E D U C T I O N S...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS I NT RO DUCT I O N Instructions guidance .........................3 Product documentation................... 3 Associated documents ..................3 Explanation of symbols................... 3 Guarantee registration .................... 3 Appliance description .........................3 Safety devices ....................... 3 Data label .......................4 Gas category ......................4 Regulation and statutory requirements ..............4 Hydraulic schematic ....................
  • Page 5 TABLE OF CONTENTS Commissioning ..........................25 12.1 Switching on ......................25 12.2 Filling the CH system (Central heating) ..............25 12.3 Filling DHW Circuit ....................25 12.4 Filling the Condensate Trap ................. 25 12.5 Initial lighting ......................26 12.6 Gas rates ......................26 12.7 Testing heating system ..................

  • Page 6: Introduction

    Your domestic water circuit (hot or cold) is not Guarantee registration protected by the boiler. Thank you for installing a new Glow-worm appliance in your home. Glow-worm appliances are manufactured to the very 2.1.4 Condensate drain blockage...

  • Page 7: Data Label

    Practice which is available from the Heating and Hotwater Industry Council who manage and promote the Scheme. The appliance shall only be connected to the gas Visit www.centralheating.co.uk for more information. type(s) indicated on the data label. 0020085231_02 - 05/10 - Glow-worm - 4 -...

  • Page 8: Hydraulic Schematic

    10 Condensate trap Ignition and control electrode 12 Burner Pipe for heating safety valve 13 Main heat exchanger 14 Thermal fuse 15 Flue outlet 16 Silencer Heating return 17 Heating expansion vessel Condensate drain 0020085231_02 - 05/10 - Glow-worm - 5 -...

  • Page 9: Safety Instructions And Regulations

    2) Controls for domestic central heating system and hot water. Should you need to replace hydraulic components, drain the BRECSU. appliance. Protect all the electrical components from water while working on the appliance. Use only original spare parts. 0020085231_02 - 05/10 - Glow-worm - 6 -...

  • Page 10: Recycling

    BS 1363, provided they are not used in a room Eliminate the waste in accordance with existing regulations. containing a bath or shower. Wiring to the boiler must be PVC 85OC insulated cable, not less than 0.75mm2 (24/0.20mm). 0020085231_02 - 05/10 - Glow-worm - 7 -...

  • Page 11: Technical Data

    Internal fuse rating on main CO2 at Qmin + 9.6 ± 9.6 ± 9.6 ± "tolerance case OFF" 0.2% 0.2% 0.2% Index of electrical protection Inlet pressure mbar IPX4D IPX4D IPX4D (EN 60529) 0020085231_02 - 05/10 - Glow-worm - 8 -...

  • Page 12: Installation

    To allow periodic maintenance, ensure the distances indicated on the diagram. boiler, cupboard or compartment ventilation is not necessary. Existing ventilation should be investigated for its purpose installation and servicing. before removing. 0020085231_02 - 05/10 - Glow-worm - 9 -...

  • Page 13: Appliance Installation

    Seals bag (x1) - Flat seal ½" (x2) - Flat seal ¾" (x5) (x4) (x1) Wall template (x1) Documents bag (x1) Installation and servicing manual (x1) Flue book (x1) Instructions for use (x1) 0020085231_02 - 05/10 - Glow-worm - 10 -...
  • Page 14 - In GB, Guidance on vessel sizing is also given in the current digital display with no heating demand. issue of BS5449 and BS7074 Part 1. - In IE, current edition of I.S.813 “Domestic Gas Installations”. 0020085231_02 - 05/10 - Glow-worm - 11 -...

  • Page 15: Dimensions

    Take the wall template and place in the desired position on the wall, giving due consideration to the required boiler 7 4 0 3 4 6 4 1 8 3 4 4 0020085231_02 - 05/10 - Glow-worm - 12 -...
  • Page 16 The vertical centre line of a 125mm hole should be drilled irrespective of internal or external installation. advise that the installer should supply those which are suitable. wall template. Fix the hanging bracket on the wall. 0020085231_02 - 05/10 - Glow-worm - 13 -...

  • Page 17: Hydraulic Connection

    Remove the protective caps from the boiler connections. Flush out the domestic hot water and the heating systems. Before turning on the cold mains supply to the boiler 0020085231_02 - 05/10 - Glow-worm - 14 -...

  • Page 18: Connection To The Condensate Trap

    Use 21.5mm plastic pipe to connect to the condensate outlet - do not use metal pipes. It is permissible to use a condensate neutraliser providing that it is checked for correct operation. 0020085231_02 - 05/10 - Glow-worm - 15 -...
  • Page 19 INSTALLATION 0020085231_02 - 05/10 - Glow-worm - 16 -...

  • Page 20: Evacuation Of Combustion Gas

    If the carport comprises of a roof and two or more walls, seek advice from the local gas supply company before installing the boiler. 0020085231_02 - 05/10 - Glow-worm - 17 -...
  • Page 21 0020085231_02 - 05/10 - Glow-worm - 18 -...
  • Page 22 Each time an additional 90° bend is necessary (or 2 at 45°), the length (L) must be reduced by 1 m. Type Max length Ø 60/100 10 m Ø 80/125 25 m 0020085231_02 - 05/10 - Glow-worm - 19 -...
  • Page 23 Inspection hatch Final storey Type Max length (L) Ø 60/100 10 m Each time an additional 90° bend is necessary (or 2 at 45°), the length (L) must be reduced by 1 m. 0020085231_02 - 05/10 - Glow-worm - 20 -...

  • Page 24: Remove The Front Panel

    All system components must be of an approved type. Do not interrupt the mains supply with a time switch or programmer. The boiler is suitable for installation in bathroom zones 2 and 3. 0020085231_02 - 05/10 - Glow-worm - 21 -...

  • Page 25: Electrical Wiring

    Double pole connector Connect the appliance's power cable to the 230 V single- Connect mains supply as described. phase network + earth. Connect the appliance in accordance with the live and neutral connections. 0020085231_02 - 05/10 - Glow-worm - 22 -...

  • Page 26: External Accessories

    Short circuit test (L-N) L = Mains live Junction box Resistance to earth (L-E) Fuse Double pole connector Polarity check Connect the mains supply and system heating controls e.g. room thermostat as described. 0020085231_02 - 05/10 - Glow-worm - 23 -...

  • Page 27: Wiring Diagram

    Location for 24V option card 14 Gas valve Location for external programmer 15 Fan User interface 16 Thermal fuse Fuse 2A Connector for 230 V option Main supply 230V 19 Water pressure sensor 10 Pump 0020085231_02 - 05/10 - Glow-worm - 24 -...

  • Page 28: Commissioning

    A trickle of water, under no pressure, should normally come out of the pump. Open the isolating valves located on the connections: they Rotate the pump shaft through several turns, then replace the screw. 12.3 Filling DHW Circuit 0020085231_02 - 05/10 - Glow-worm - 25 -...

  • Page 29: Filling The Condensate Trap

    The supply from the governed meter must be of adequate size Check that the appliance has been installed in accordance to provide a steady inlet working pressure of 20mbar (8in wg) at with the instructions. the boiler. 0020085231_02 - 05/10 - Glow-worm - 26 -...

  • Page 30: Testing Heating System

    Gas rates (G31) (approx) after 10 mins from cold Model kg/h kg/h 24cxi 0.54 19.07 2.70 95.35 0.40 1.98 30cxi 0.65 22.95 3.24 114.42 0.47 2.38 35cxi 0.95 33.55 3.77 133.14 0.68 2.77 0020085231_02 - 05/10 - Glow-worm - 27 -...

  • Page 31: Appliance Technical Settings And Parameter List

    The screen displays the parameter "00" and its value "XX”. Press on button under the symbol to access the parameter to modify. Press on button under the symbol to modify the value of the parameter. 0020085231_02 - 05/10 - Glow-worm - 28 -...
  • Page 32 Display the time remaining before the end of the anti-cycle. anti-cycle in heating mode. Maximum temperature setting for d.71 °C Select a value between 50°C and 80°C. heating outlet 0 = Not detected d.90 Detection of eBUS controller 1 = Detected 0020085231_02 - 05/10 - Glow-worm - 29 -...
  • Page 33 35cxi = 17 All parameters stored in EEPROM (main board + appliance interface) are reset to factory settings if d.96 Factory reset this function is activated. 0 = deactivated 1 = activated 0020085231_02 - 05/10 - Glow-worm - 30 -...
  • Page 34 Waiting cycle: lack of water in the installation/temperature P.07 minutes on the short circuit. S.54 appliance Make sure that the air vent is open. S.96 Test temperature sensor for heating return. S.98 appliance has a fault. 0020085231_02 - 05/10 - Glow-worm - 31 -...

  • Page 35: Co2 Measurement

    Leave these instructions and the ‘Benchmark’ Installation, Commissioning and Service Record with the user. 0020085231_02 - 05/10 - Glow-worm - 32 -...

  • Page 36: Maintenance

    Test point Check that there is a gas supply to the boiler and the gas service isolation valve is turned on. Check pressure at the gas service isolation valve. 0020085231_02 - 05/10 - Glow-worm - 33 -...

  • Page 37: Fault Memory

    Water pressure of the installation (<0.3 bar) Pump disconnected Leak in the installation connections. Maximum temperature difference reached Water circulation fault connection. Malfunction of the pump (excessively Water circulation fault rapid temperature increase) valves are open. 0020085231_02 - 05/10 - Glow-worm - 34 -...
  • Page 38 Flow and return heating sensors fault sensor connected to same tube Floor heating contact open Sensor disconnected or defective board and the shunt is removed. User interface fault Defective user interface PCB. 0020085231_02 - 05/10 - Glow-worm - 35 -...
  • Page 39 MAINTENANCE 15.4 15.4.1 Central Heating 15.4.2 Domestic Hot Water 0020085231_02 - 05/10 - Glow-worm - 36 -...

  • Page 40: Settings

    24cxi 2 turns 30cxi 3 turns 35cxi 2.5 turns 16.1.2 Activate the test mode "P.01" and set the value to 100 in Wait approximately 5 minutes to read a stabilized CO2 value. 0020085231_02 - 05/10 - Glow-worm - 37 -...

  • Page 41: Restart - Re-Check Commissioning

    Restart - re-check commissioning Drain the Domestic Hot Water circuit by closing the cold- Before putting the appliance into operation, follow the Open one or more hot water taps to drain the hot water circuit. 0020085231_02 - 05/10 - Glow-worm - 38 -...

  • Page 42: Servicing

    Health and Safety Executive in accordance with the rules in force in the Check the appliance’s electrical safety. countries of destination. To obtain service, please call your installer or Glow-worm’s 18.1.3 Cleaning of the components own service organisation.

  • Page 43: Casing Removing

    Taking care not to touch any Position the control box (1) into the service position. internal components, proceed as follows: Connect the CO2 combustion analyser to the relevant test point, see diagram opposite. 0020085231_02 - 05/10 - Glow-worm - 40 -...

  • Page 44: Servicing

    Activate the test mode "P.01" and set the value to 100 in remedial work has been carried out, the appliance must be disconnected until the CO/CO2 ratio is acceptable. Advice can be sought from the Glow-worm Technical Helpline. Wait approximately 5 minutes to read a stabilised CO2 value.

  • Page 45: Silencer

    Expansion vessel 35cxi Expansion vessel pressure inlet Check the expansion vessel's supply pressure (see « Technical Data » chapter) by means of the pressure inlet necessary. purge the appliance or installation, if necessary. 0020085231_02 - 05/10 - Glow-worm - 42 -...

  • Page 46: Condensate Trap

    Remove the plate-to-plate heat exchanger (5). Clean the hose, the trap and the siphon, remove any Remove the gasket (3). accumulated dirt. Reassemble the components, taking care to position the gaskets correctly. Clean and replace. 0020085231_02 - 05/10 - Glow-worm - 43 -...

  • Page 47: Combustion Block

    Spark electrode inlet Heat exchanger 12 Burner gasket Spark electrode gasket 13 Burner Spark electrode 14 Gas valve Burner retaining nut 15 Fan 16 Fan connection Thermal fuse connection 17 Gas pipe 0020085231_02 - 05/10 - Glow-worm - 44 -...

  • Page 48: Service Completion

    The burner (13) does not require maintenance and should not be cleaned. Check that its surface is not damage. Replace the burner if necessary. assemble the burner group as described in the following chapter. 0020085231_02 - 05/10 - Glow-worm - 45 -...

  • Page 49: Replacement Of Parts

    19.3 Do not use reconditioned or copy parts, only use original parts supplied by Glow-worm. If a part is required, contact the Glow-worm service organisation. Please quote the name of the appliance, this information will be on the name badge on the front of the appliance.
  • Page 50 Remove the two screws (4). Undo the connector (1) at the base of the vessel. Remove upper support bracket (3). Remove the expansion vessel (2). Fit a new gasket between the expansion vessel and connector. 0020085231_02 - 05/10 - Glow-worm - 47 -...

  • Page 51: Hydraulic Block

    25 Pump head earth lead Safety Discharge Valve 26 Pump head connector Plate-to-plate heat exchanger retaining clip 28 Pump head 18 Heating return pipe retaining clip 29 Automatic air vent retaining clip 0020085231_02 - 05/10 - Glow-worm - 48 -...
  • Page 52 Drain the boiler heating circuit as described in the appropriate chapter "Draining". hydroblock. Disconnect the electrical lead (15). Remove the retaining clip (17), remove the low water pressure sensor (16). Fit the new low water pressure sensor. 0020085231_02 - 05/10 - Glow-worm - 49 -...

  • Page 53: Combustion Block

    MAINTENANCE 19.5 Combustion block 0020085231_02 - 05/10 - Glow-worm - 50 -...
  • Page 54 Unscrew the 4 retaining screws (17) and (23) and remove Remove the igniter unit (2). the 2 retaining plates (18) and (22) from the heat exchanger. Pull the heat exchanger towards you to extract it from its 2 side rails. 0020085231_02 - 05/10 - Glow-worm - 51 -...

  • Page 55: Condensate Trap

    Loosen the 3 screws (38) located on the burner door (11). Remove the fan (33) and the gasket (35). Fit the new gasket (35). Screw the new fan to the burner door (11). 0020085231_02 - 05/10 - Glow-worm - 52 -...

  • Page 56: Pcb

    "Electrical connection". trapped. 19.8.2 2A Fuse Rating For access, refer to chapter "Main PCB". The fuse is located at top right hand side of the PCB, see chapter "Electrical connection Wiring diagram". 0020085231_02 - 05/10 - Glow-worm - 53 -...

  • Page 57: Spare Parts

    0020097278 Gas valve 30cxi 0020038071 Gas valve 35cxi 0020038441 Electrode assembly 0020097299 User interface PCB 0020059452 Plate to plate heat exchanger 24cxi 0020097179 Plate to plate heat exchanger 30cxi 0020097181 Plate to plate heat exchanger 35cxi 0020097214 3 way valve assembly...

  • Page 58: Short List Of Parts

    MAINTENANCE 20.2 Short List of Parts 0020085231_02 - 05/10 - Glow-worm - 55 -...

  • Page 59: Manual Handling

    Manual Handling Positioning of Appliance for Final Installation – no obstructions. IMPORTANT. With regards to the Manual Handling Operations, 1992 Recommend 2 persons lift appliance to position into place. Fit bracket Regulations, the following lift operation exceeds the recommended weight for a one man lift. grip on front and sides of appliance, lift upwards, ensure stable bal- ance achieved and lift upwards to position in place on bracket.

  • Page 60: Declaration Of Conformity

    Declaration of Conformity...
  • Page 65 Because of our constant endeavour for improvement, details may vary slightly from those shown in these instructions. , Nottingham Road, Belper, Derbyshire. DE56 1JT...

This manual is also suitable for:

Ultracom 30cxiUltracom 35cxi47-019-1047-019-1147-019-12

Table of Contents