Glow-worm 30sxi - User Manual

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 tted.
Burner Door Seal kit - Part No. 801635
IMPORTANT NOTES
THESE INSTRUCTIONS SUPERCEDE
THE GAS VALVE SETTING PROCEDURE CONTAINED
WITHIN THE ORIGINAL APPLIANCE LITERATURE.

Glow-worm 30sxi Specifications

General

Brand	Glow-worm
Model	30sxi
Category	Boiler
Language	English

Summary

Gas Valve Important Notes and Product Kits

Important Notes for Gas Valve Replacement

Key instructions superseding original literature and notes on door seal replacement.

Gas Valve Kit Part Numbers

Lists specific kit part numbers and included components for various Glow-worm boiler models.

Boiler Replacement Requirements and Procedures

Legal and Safety Requirements for Part Replacement

Details legal obligations, use of approved parts, electrical checks, and reassembly order.

General Inspection After Part Replacement

Checks required after replacing a part, including flue system, seals, connections, and pressure.

Re-assembly and Commissioning Steps

Guidance on re-assembly, gas soundness testing, purging, and final case fitting.

Competency for Combustion Performance Checks

Required Competencies for Combustion Analysis

Specifies requirements for personnel, equipment, and certification for combustion analysis.

Safe Combustion Verification

Emphasizes the need to measure CO/CO2 ratio for safe combustion verification.

Gas Valve Setting and Rate Adjustment Procedures

LPG Model Specific Instructions

Specific steps for lighting and adjusting LPG models, including lockout troubleshooting.

Maximum Rate Check and Adjustment

Procedure for checking and adjusting the maximum gas rate with CO2 analysis.

Minimum Rate Check and Adjustment

Procedure for checking and adjusting the minimum gas rate using the offset adjustment.

Re-checking CO2 and Combustion Ratio

Instructions to re-check CO2 values and combustion ratio after adjustments.

Gas Inlet Pressure and Gas Rate Measurement

Guidance on checking operational gas inlet pressure and measuring gas rate at maximum output.

Completion and Final Checks

Steps for final completion, including advice for unachievable results and seeking technical help.