Glow-worm Ultracom cx User Manual

www.glow-worm.co.ukInstallation and ServicingHigh EfficiencyCondensing CombinationBoilersUltracom30cxG.C. No. 47-019-0724cxG.C. No. 47-019-06

104 Flue Options and Terminal ClearancesDiagram 4.1Top horizontal telescopic ue (Ø60/100) Part No. A2043600 - Section 10, page 20Top horizontal sta

11HORIZONTAL FLUES A DIRECTLY BELOW AN OPENING, AIR BRICK, OPENING WINDOWS 300B ABOVE AN OPENING, AIR BRICK, OPENING WINDOWS 300C HORIZONTALLY

125 Water System5.1 GeneralThis boiler is designed for use as part of a sealed water central heating system with fully pumped circulation. The pump,

135.9 Water PressureThe minimum working pressure to obtain the maximum domestic ow is:-24cxi 1.0bar30cxi 1.0bar The maximum working pressure of the

146 Installation PreparationDiagram 6.113646Base CoverplateA - Wire Retaining ClipB - Union Nut and Sealing WasherA - Central Heating x 2C - Tap and

156.1 Appliance PackPlease check the contents of packs as shown in diagram 6.1.The packs are located in the top polystyrene packing.Remove the carton

168.1 Systems ConnectionRemove the protective caps from the boiler connections.NOTE: The appliance may contain a small amount of water, place a water

178 Gas / Water ConnectionsDiagram 8.113643

18SAFETY DISCHARGEVALVEVIEW ON UNDERSIDE OF BOILERUNION NUTAND SEALB9 Safety Discharge Valve & Condensate ConnectionsDiagram 9.113644Diagram 9.29

199 Safety Discharge Valve & Condensate ConnectionsDiagram 9.313000

2Guarantee RegistrationThank you for installing a new Glow-worm appliance in your home.Glow-worm appliances are manufactured to the very highest stand

2010.1 Flue LengthThe maximum permissible horizontal ue length is 10 metres plus the ue terminal assembly, this can be achieved by use of the acces

2112841Diagram 10.310 Telescopic Flue - Length, Preparation and InstallationDiagram 10.215418

2210.2 Horizontal Telescopic Flue - A2043600 Refer to diagram 10.2 for kit contents.10.3 REAR FlueIf a wall thickness is between 203mm

23Diagram 10.712929Diagram 10.812977Diagram 10.91325410 Telescopic Flue - Length, Preparation and Installation10.5 Flue FittingIMPORTANT: The ue sea

24Standard Horizontal Flue10.6 Flue LengthThe maximum permissible horizontal ue length is 10 metres plus the ue terminal assembly, this can be achie

25Diagram 10.111322210 Standard Flue - Length, Preparation and InstallationDiagram 10.1215418

2610.7 Standard Horizontal FlueRefer to diagram 10.11 for kit contents.10.8 REAR Flue With the ue elbow temporarily tted, measure the distance from

27Diagram 10.1612847Diagram 10.171325410 Standard Flue - Length, Preparation and Installation10.10 Flue FittingIMPORTANT: The ue seals are sensitive

28Diagram 10.181485110 Vertical Flue - Length, Preparation and Installation10.11 Vertical flueThe vertical ue system is available as an option where

2910 Vertical - Flue Length, Preparation and Installation14849Diagram 10.19Flue InstallationIMPORTANT: The ue seals are sensitive to mineral oil bas

3 CONTENTS DESCRIPTION SECTION PAGE Warnings 4Important Information 4 Statutory Requirements 5Boiler Desi

3010 Vertical Flue - Length, Preparation and InstallationRidge Tile TerminalA ridge tile terminal is available - part no. A2043800, see diagram 10.20

3110 Vertical Flue - Length, Preparation and InstallationDiagram 10.2113243Diagram 10.2213242Diagram 10.2312982Completion of InstallationWith the ue

3210 Twin Flue - Length, Preparation and InstallationDiagram 10.2515406Secure long flue lengths (horizontal & vertical) to walls or ceiling at e

3310 Twin Flue - Length, Preparation and Installation10.12 Twin ueThe twin ue system is available as an option when the top horizontal or vertical

3410 Twin Flue - Length, Preparation and InstallationDiagram 10.2713240Installation DetailsThe parts available for a twin ue system installation are

35 10 Plume Management Kit10.13 Plume Management KitThe Plume Management Kit: Part No. A2044100 (white) or A2044000 (black) can be used to overcome m

36WARNING: This appliance must be earthed. ● This appliance must be wired in accordance with these instructions. Any fault arising from incorrect wi

3711.2 System Controls 24V WARNING: UNDER NO CIRCUMSTANCES MUST ANY MAINS VOLTAGE BE APPLIED TO ANY OF THE TERMINALS ON THE 24V CONNECTION PLUG.Conn

3812 CommissioningDiagram 12.213577IMPORTANT: At the time of commissioning, complete all relevant sections of the Benchmark Checklist located in the

39Commissioning should only be carried out by a competent person approved at the time by the Health and Safety Executive.12.4 Initial LightingNOTE: Th

4Gas CategoryThis boiler is for use only on G20 natural gas, but may be converted for use on G31 gas (Propane L.P.G.).Gas Safety (Installation and Use

4012 Commissioning12.6 Heating SystemCheck that all remote controls are calling for heat. The boiler will re automatically. Fully open all radiato

41MODEL CO/CO2G31 BURNER % CO2CHECK(case on)9.2 to 10.210.0 to 11.024cx30cx0.0040.00410.010.5+ 0.0- 0.9+ 0.3- 0.7ThrottleTURNS 12.9 LPG CONVERSION - a

4213 ServicingGeneral Inspection Prior to, during servicing and after any maintenance or changed parts, the following must be checked.● The integrit

4313 Servicing1. Maximum Rate Check and AdjustmentNOTE: To verify the maximum gas rate CO2 setting the appliance must be checked at the maximum rate

4413 Servicing13.2 Spark ElectrodeDisconnect the spark electrode plug and earth lead. Remove the two securing screws and withdraw the spark electrode

4513 Servicing13555Diagram 13.713272Diagram 13.813.4. Combustion Chamber and Heat ExchangerRemove loose debris from inside the combustion chamber usi

4614 Fault FindingDiagram 14.113535Diagram 14.21384514.1 Preliminary fault ndingThe following checks should be performed before proceeding onto spec

4714 Fault Finding13706Diagram 14.4214365REFER TO SECTION 11ELECTRICAL CONNECTIONbkrbkbwbywrg/yworpbkgpkgywgygbworbrbg/ybrbg/ybkrg/ywbrbkbrrbr BROWNb

4813012Diagram 14.5CENTRAL HEATINGDHW1301514 Fault Finding

4914 Fault Finding13860Diagram 14.6If -9OC is displayed, check that the DHW thermistor wires are unconnected and are not faulty or trapped.Fault Code

5IMPORTANTWhere no British Standards exists, materials and equipment should be t for their purpose and of suitable quality and workmanship.The instal

5014 Fault Finding13508Diagram 14.6 continued.Fault Codes (continued)

5114 Fault FindingDiagnostic MenuThe Diagnostic Menu provides the ability to view and change certain parameters. See Diagram 14.8 for avail

5214 Fault FindingDiagram 14.813454Indicates read and write function - all other diagnostics are read only Diagnostic Menu - Level 1 Installer Acc

5314 Fault Finding Central heating mode DescriptionS.00 no heating requiredS.01 fan pre-runS.02 pump pre-runS.03

5415 Replacement of Parts15.1 GeneralIMPORTANT: The replacement of parts described in sections 15.5 to 15.9 and section 15.12 will require the remov

5515 Replacement of Parts15.5 Gas ValveFor access, refer to section 15.1.Refer to section 13.3 for removal of the fan, gas valve and burner assembly.

5615 Replacement of Parts15.10 Viewing WindowFor access, refer to section 15.1.Refer to diagram 15.5.Remove circlip.Remove steel washer.Remove glass.

5715.12 Heat ExchangerRefer to Manual Handling section on page 65.For access, refer to section 15.1.Refer to section 13.3 for removal of the fan, gas

5815.14 Heating Flow ThermistorFor access, refer to section 15.1.Refer to diagram 15.10.Remove the electrical connections from the thermistor.Remove t

5915 Replacement of Parts15.17 Pump (head only)For access, refer to section 15.1.Drain the boiler heating circuit as described in the appropriate sec

6Boiler DesignBoiler DesignThis boiler is designed for use as part of a sealed water central heating system with fully pumped circulation. The pump, e

6015 Replacement of Parts15.19 Domestic Hot Water ThermistorFor access, refer to section 15.1.Refer to diagram 15.14.Disconnect the domestic hot wate

6115 Replacement of Parts15.22 Flow SensorFor access, refer to section 15.1.Drain the boiler hot water circuit as described in the appropriate sectio

6215 Replacement of Parts15.26 Hydroblock and Bypass TubeFor access, refer to section 15.1.IMPORTANT: To replace the bypass tube and seals the LH an

6315 Replacement of PartsDiagram 15.221331315.27 Appliance Interface and Main PCBFor access, refer to section 15.1.Remove control box retaining screw

6416.1 Spare PartsWhen ordering spare parts, contact Glow-worm’s own service organisation using the telephone number on the inside front cover of thi

65Diagram 16.116 Spare Parts137341234510791112161513681417

66IMPORTANT. With regards to the Manual Handling Operations, 1992 Regulations, the following lift operation exceeds the recommended weight for a one m

67

www.high-efciency.info Because of our constant endeavour for improvement, details may vary slightly from those shown in these instructions.Glow-worm,

71 Boiler Specication13601

82 Boiler Dimensions & Hydraulic Schematic15421Diagram 2.2Diagram 2.1136032.1 Boiler Dimensions & Hydraulic SchematicAll dimensions are given

93 Boiler Location, Clearances and VentilationDiagram 3.1200*5 600150CLEARANCES55mm clearanceto combustiblematerial55137123.1 LocationThis boiler is