Glow-worm 12hxi Manuals

5 pdf manual(s) Glow-worm 12hxi for free download (Document Types: User manual manual, Instructions for use and installation, Installation and servicing)

Glow-worm 12hxi User manual manual [PDF] (20 pages)

  • Identifier: id-378231
  • Brand: Glow-worm
  • Device: 12hxi Boiler
  • Type: PDF
  • Key Aspects: Glossary of Technical Terms, Routine Functionality Testing, Best Practices for Everyday Use
  • UPD Date: 21.03.2026
  • Source File: 354661.pdf
  • Pages: 20
  • Description: Complete usage guide for the Glow-worm 12hxi.
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  • READ CAREFULLY BEFORE USING 1 Read me................................................................................................................... 4 1.1 Welcome............................................................................................ 4 1.2 Guarantee Pack................................................................................ 4 1.3 Servicing.....................................................................................
  • ANY ASSISTANCE? 9 Fault Finding.......................................................................................................... 16 9.1 Electrical circuit interruption............................................................ 16 9.2 Appliance fails to light...................................................................... 17 10 Appliance Safety Devices...................................................................................... 17 1
  • 0020127403 - 01/11 - Glow-worm READ CAREFULLY BEFORE USING - 4 - READ CAREFULLY BEFORE USING 1 Read me 1.1 Welcome These instructions are an integral part of the boiler and must, to comply with the current issue of the Gas Safety (Installation and Use) Regulations, be left with the user. Ensure that the installer has fully completed the Benchmark Checklist located on the inside back pages of the installation instructions supplied with the product and that
  • 0020127403 - 01/11 - Glow-worm READ CAREFULLY BEFORE USING - 5 - 1.4 Benchmark Glow-worm is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, efficiency and performance. 1.5 Quick reference guide We designed this Quick reference guide so that you can start using your appliance right away. T
  • 0020127403 - 01/11 - Glow-worm READ CAREFULLY BEFORE USING - 6 - 2 Introducing your appliance 2.1 Appliance description The Ultracom hxi range of boilers are designed to provide central heating from a fully pumped open vented or sealed water system and domestic hot water using a fully indirect cylinder. Once the controls are set, the boiler operates automatically. Intelligent controls are available as accessories from Glow-worm. Contact your Installer or
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Instructions for Use Condensing Boilers/ Ultracom hxi 12hxi G.C. No. 41-019-01 15hxi G.C. No. 41-019-02 18hxi G.C. No. 41-019-03 24hxi G.C. No. 41-019-04 30hxi G.C. No. 41-019-05 38hxi G.C. No. 41-019-06

Glow-worm 12hxi Instructions for use and installation [PDF] (44 pages)

  • Identifier: id-378230
  • Brand: Glow-worm
  • Device: 12hxi Boiler
  • Type: PDF
  • Key Aspects: Initial Startup Checklist, Cleaning and Sanitization Methods, Efficiency and Calibration Tips
  • UPD Date: 04.04.2026
  • Source File: 354660.pdf
  • Pages: 44
  • Description: Device user manual for the Glow-worm 12hxi.
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  • 2 0020008153A For customer service call: 01773 828100 Technical helpline: 01773 828300 For General and Sales enquiries: Tel. 01773 824639 Fax: 01773 820569 To register your Glow-worm appliance call: 0800 073 2142 Guarantee Registration Thank you for installing a new Glow-worm appliance in your home. Glow-worm appliances are manufactured to the very highest standard so we are pleased to offer our customers a Comprehensive Guarantee. This product is gua
  • 3 0020008153A SERVICING INSTRUCTIONS INTRODUCTION INSTRUCTIONS FOR USE INSTALLATION INSTRUCTIONS Contents The instructions consist of three parts, User, Installation and Servicing Instructions.The instructions are an integral part of the appliance and must, to comply with the current issue of the Gas Safety (Installation and Use) Regulations, be handed to the user on completion of the installation. CONTENTS DES
  • 4 0020008153A Important Information Control of Substances Hazardous to Health Under Section 6 of The Health and Safety at Work Act 1974, we are required to provide information on substances hazardous to health. The adhesives and sealants used in this appliance are cured and give no known hazard in this state. Insulation Pads / Ceramic Fibre These can cause irritation to skin, eyes and the respiratory tract. If you have a history of skin complaint you
  • 5 0020008153A General Information General Note This boiler is designed to provide central heating from a fully pumped open-vented or sealed water system with a fully indirect cylinder. Once the controls are set the boiler operates automatically. Please read these instructions and follow them carefully for the correct installation and economical use of your boiler. Water Treatment In the case of an existing install
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Glow-worm, Nottingham Road, Belper, Derbyshire. DE56 1JT www.glow-worm.co.uk To b e l e f t w i t h t h e u s e r Instructions for Use Installation and Servicing High Efficiency Condensing Boilers 0020008153A.02.05 12041 12hxi 15hxi 18hxi 24hxi 30hxi 38hxi G.C. No. 41-047-63 G.C. No. 41-047-71 G.C. No. 41-047-64 G.C. No. 41-047-74 G.C. No. 41-047-73 G.C. No. 41-047-69

Glow-worm 12hxi Installation and servicing [PDF] (60 pages)

  • Identifier: id-750585
  • Brand: Glow-worm
  • Device: 12hxi Boiler
  • Type: PDF
  • Key Aspects: User Training Recommendations, Risk Mitigation and Accident Prevention, Detailed Installation Instructions
  • UPD Date: 07.07.2026
  • Source File: 750425.pdf
  • Pages: 60
  • Description: Owner’s manual for the Glow-worm 12hxi.
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Glow-worm 12hxi User manual manual [PDF] (12 pages)

  • Identifier: id-2178198
  • Brand: Glow-worm
  • Device: 12hxi Boiler
  • Type: PDF
  • Key Aspects: Pre-Installation Safety Requirements, Efficiency and Calibration Tips, Glossary of Technical Terms
  • UPD Date: 14.07.2026
  • Source File: 2109436.pdf
  • Pages: 12
  • Description: User guide for the Glow-worm 12hxi.
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  • www.glow-worm.co.uk 2 WARNING GAS LEAK OR FAULT Turn off the gas emergency control valve immediately. Eliminate all sources of ignition, i.e.smoking, blowlamps, hot air guns etc. Do not operate electrical lights or switches either on or off. Open all doors and windows, ventilate the area. METAL PARTS This boiler contains metal parts (components) and care should be taken when handling and cleaning, with particular regard to edges. SEALED COMPONENTS Under no
  • www.glow-worm.co.uk 3 G.C. No. 41-019-01 G.C. No. 41-019-02 G.C. No. 41-019-03 Ultracom 12hxi Ultracom 15hxi Ultracom 18hxi G.C. No. 41-019-04 G.C. No. 41-019-05 G.C. No. 41-019-06 Ultracom 24hxi Ultracom 30hxi Ultracom 38hxi 13204
  • www.glow-worm.co.uk 4 Contents Page Important Information 5 Boiler Design and Clearances 6 Boiler Safety Devices 7 Servicing, Maintenance and Spare Parts 8 User Control Panel 9 Lighting the Boiler 10 Adjusting Temperature 11 Fault Finding 11 These instructions are an integral part of the boiler and must, to comply with the current issue of the Gas Safety (Installation and Use) Regulations, be left with the user. Please read these instructions and follow th
  • www.glow-worm.co.uk 5 Gas Safety (Installation and Use) Regulations In your own interests and that of safety, it is the Law that ALL gas appliances have been installed by a competent person in accordance with the current issue of these regulations. Gas Category This boiler is for use only on G20 natural gas but can be converted for use on G31 propane. Electrical Connection The boiler MUST be earthed. The boiler MUST be connected to a permanent 230V ac, 50H
  • www.glow-worm.co.uk 6 Boiler Design and Clearances Description These boilers are designed to provide central heating from a fully pumped open vented or sealed water system and domestic hot water using a fully indirect cylinder. Once the controls are set the boiler operates automatically. Pluming from flue terminal Like all condensing boilers it will produce a plume of condensation from the flue terminal in cool weather. This is due to the high efficiency
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www.glow-worm.co.uk 1 www.glow-worm.co.uk T o b e l e f t w i t h t h e u s e r Instructions for Use High Efficiency Condensing Boilers Ultracom hxi

Glow-worm 12hxi Instructions [PDF] (4 pages)

  • Identifier: id-1822935
  • Brand: Glow-worm
  • Device: 12hxi Control Unit
  • Type: PDF
  • Key Aspects: Information on Regular Maintenance, Advanced Configuration Methods, System Architecture and Design Overview
  • UPD Date: 26.05.2026
  • Source File: 1899830.pdf
  • Pages: 4
  • Description: User guide for the Glow-worm 12hxi.
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  • Requirements It is the Law that any replacement of parts is carried out by a competent person approved at the time by the Health and Safety Executive. Before commencing with the replacement of a part the boiler should be isolated from the electrical supply and the gas supply should be turned off at the gas isolation valve. When replacing a part, use only spare parts that you can be assured conform to the safety and performance specification that we require
  • LPG MODELS - ONLY Refer to diagram 2 and turn the gas valve throttle fully clockwise, then turn the throttle anti-clockwise by the number of turns shown in the table on the back page. Please refer to the specific instruction relating to your model. 1. Turn on the electrical supply. 2. Ensure external controls are calling for heat. 3. Turn on the gas supply. 4. Turn on the appliance. 5. The boiler should fire automatically. NOTE: LPG MODELS If the appliance
  • Models SETTING SETTING Throttle CO/CO2 Nat. Gas G20 - Case Off Propane G31 - Case Off turns Because of our constant endeavour for improvement, details may vary slightly from those shown in these instructions. % CO2 TABLE m3/h ft/h kg/hr Models GAS RATES - Nat. Gas G20 GAS RATES - Propane G31 MAX MAX Glow-worm 24cxi 9.1%CO2 (+0.2% -0.5%) N/A N/A N/A Glow-worm 30cxi 9.1%CO2 (+0.2% -0.5%) 10.5%CO2 (+0.2% -0.2%) 51/2 0.004 Glow-worm 38cxi 8.8%CO2 (+
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Technical Helpline: 01773 828300 Glow-worm, Nottingham Road, Belper, Derbyshire. DE56 1JT www.glow-worm.co.uk 0020088542-03 02.10 GAS VALVE(DUNGS) KIT Pt. No. 2000802664 6mm white scroll incl. Brass Flange adaptor, 4 off screws, 2 “O” rings MODEL 24 & 30 ultracom cx 24 & 30 ultracom cxi 18 & 30 ultracom sxi 18 & 30 sxi 24 & 30cxi MODEL 12 – 30 hxi 12 – 30 ultracom hxi MODEL 38 cxi 38 ultracom cxi Xtramax HE MODEL 38 hxi 38 ultracom hxi BG330 KIT Pt. No 2000802442 6mm white scroll incl. Brass liner and grommet KIT Pt. No 2000802452 12mm grey scroll incl. Brass liner and grommet KIT Pt. No. 0020018823 12mm grey scroll incl. Brass Flange adaptor, 4 off screws, 2 “O” rings If the burner door is removed during the gas valve replacement a new door seal must be fitted. Burner Door Seal kit - Part No. 801635 IMPORTANT NOTES THESE INSTRUCTIONS SUPERCEDE THE GAS VALVE SETTING PROCEDURE CONTAINED WITHIN THE ORIGINAL APPLIANCE LITERATURE.

12hxi: Related Instructions

Flexicom hx
Glow-worm Flexicom hx
13.04.2026 12 pages

To b e l e f t w i t h t h e u s e r www.glow-worm.co.uk Instructions for Use High Efficiency Condensing System Boilers Flexicom hx Complete usage guide for the Glow-worm Flexicom hx Boiler. This documentation outlines cleaning instructions, calibration steps, power management.

economy plus c 50
Glow-worm economy plus c 50
13.08.2026 24 pages

Hepworth Heating Ltd., Nottingham Road, Belper, Derbyshire. DE56 1JT General/Sales enquiries: Tel: (01773) 824141 Fax: (01773) 820569 One Contact Local Service Operating and setup manual for the Glow-worm economy plus c 50 Boiler. The document contains performance optimization, service instructions, regulatory notices, usage procedures.

18sxi
Glow-worm 18sxi
12.05.2026 48 pages

Glow-worm, Nottingham Road, Belper, Derbyshire. DE56 1JT www.glow-worm.co.uk To b e l e f t w i t h t h e u s e r Instructions for Use Installation and Ser Operating manual for the Glow-worm 18sxi Boiler. The guide focuses on user settings, maintenance, setup guidelines, operating guidelines.

Ultracom2 sxi
Glow-worm Ultracom2 sxi
14.04.2026 60 pages

condens Ultracom2 sxi 12sxi G.C. No. 41-019-12 18sxi G.C. No. 41-019-13 30sxi G.C. No. 41-019-14 Installation and Servicing Detailed product documentation for the Glow-worm Ultracom2 sxi Boiler. It describes maintenance tasks and shutdown procedures, detailing setup, software configuration, maintenance.

Flexicom 12hx
Glow-worm Flexicom 12hx
24.07.2026 52 pages

Installation and Servicing Condensing Boilers/Flexicom hx 12 hx G.C.No. 41-315-28 15 hx G.C.No. 41-315-29 18 hx G.C.No. 41-315-42 24 hx G.C.No. 41-315-61 30 Device maintenance guide for the Glow-worm Flexicom 12hx Boiler. The document explains system parameters, warranty information, operational safety, operating guidelines.

24cx
Glow-worm 24cx
30.06.2026 16 pages

Instructions for Use Condensing Boilers/ Flexicom cx 24cx G.C. No. 47-047-33 30cx G.C. No. 47-047-34 35cx G.C. No. 47-047-35 Instruction guide for the Glow-worm 24cx Boiler. The guide provides instructions on safety, backup procedures, connectivity setup, error codes.

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