Glowworm Ultimate 50FF - User Manual

4098
Hepworth Heating Ltd.,
Nottingham Road, Belper, Derbyshire. DE56 1JT
General/Sales enquiries:
Tel: (01773) 824141 Fax: (01773) 820569
One Contact Local Service
Customer Services:
Tel: (01773) 828100
Fax: (01773) 828070
221520F.04.01
All replacement parts
All labour charges
All call-out charges
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 First Year Guarantee.
In the centre pages are to be found your Guarantee Registration Card, which we recommend you complete and
return as soon as possible.
If this card is missing you can obtain a copy or record your registration by telephoning the Heatcall Customer
Service number 01773 828100.
Our Guarantee gives you peace of mind plus valuable protection against breakdown by covering the cost of:
Guarantee Registration
Fanned Flue Boiler
(SIT)
This is a Cat II
2H3P
Appliance
BS 6332
BS 5258
Reference in these instructions to British Standards and Statutory
Regulations/Requirements apply only to the United Kingdom.
For Ireland the rules in force must be used.
The instructions consist of three parts, User, Installation and Servicing Instructions, which includes the Guarantee Registration
Card. 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.
To be left with the user
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Instructions for Use
Installation and Servicing
G.C. No. 41 047 14
REGISTER YOUR GLOW-WORM APPLIANCE
FOR 1ST YEAR GUARANTEE PROTECTION
CALL 0208 247 9857
50FF

Summary

Important Information

Instructions for Use

The Gas Safety (Installation and Use) Regulations

Legal requirements for gas appliance installation by competent persons.

Gas Leak or Fault

Procedure to follow in case of suspected gas leak or boiler fault.

Boiler Electrical Supply

Details on the required electrical supply, earthing, and wiring.

To Light the Boiler

Step-by-step guide on how to safely start and operate the boiler.

To Turn the Boiler On

Automatic sequence for boiler ignition and burner operation.

To Turn the Boiler Off

Procedures for turning the boiler off for short and long periods.

1 General Data

1.1 Statutory Requirements

Installation must comply with relevant regulations and British Standards.

1.5 Gas Supply

Requirements for the gas supply installation in accordance with BS6891.

1.6 Electrical Supply

Mandatory requirements for the electrical supply, earthing, and connection.

2 Flue and Ventilation

2.1 Terminal Position

Acceptable siting dimensions for the terminal from obstructions and openings.

3 Water Systems

4 Flue and Appliance Preparation

4.2 Flue Position and Length

Determining flue application, length, and terminal position.

4.3 Flue Preparation

Guidelines for preparing flue assemblies for internal installation.

4.4 Rear and Side Flue Application

Selecting boiler location and flue application for rear or side outlets.

4.5 Flue Hole Cutting

Procedure for cutting the flue hole using a core drill.

5 Boiler Installation

5.1 Boiler Preparation

Steps to prepare the boiler for installation, including cover removal.

5.2 Mounting the Boiler

Procedure for lifting, positioning, and securing the boiler onto the mounting bracket.

5.5 Gas Connection

Making the gas connection to the service cock and checking for leaks.

5.7 Electrical Connection

Guidelines for safe and correct electrical connections, including earthing.

5.11 Testing

Preliminary electrical safety checks to be performed after installation.

6 Commissioning

6.1 All Systems

General commissioning steps, including system flushing and venting.

6.3 Initial Lighting and Testing

Procedure for initial lighting, testing gas soundness, and checking controls.

6.4 Testing - Electrical

Electrical testing procedures, including neon indicators and flame supervision.

6.5 Testing - Gas

Gas soundness tests and checking main burner gas pressure.

6.7 Adjustment - Fully Pumped Open Vented and Sealed Water Systems

Adjusting pump settings and balancing the system for optimal performance.

6.11 Operational Checks and Completion

Final operational checks, system control adjustments, and completion.

7 Instructions to the User

Servicing

Guidance on the importance and frequency of boiler servicing.

8 Servicing

9 Fault Finding

9.1 Electrical

9.2 Electrical Supply Failure

10 Replacement of Parts

Glowworm Ultimate 50FF Specifications

General

Output	50 kW
Efficiency	93%
Fuel Type	Natural Gas
Mounting	Wall-mounted
ERP Rating	A
Fuel	Natural Gas
Warranty	2 years
Boiler Type	Combi
Efficiency (%)	89%
Type	Combination Boiler