Hamworthy Purewell Variheat mk2 140c User Manual

Purewell Variheat mk2 c Boilers
Cast Iron, Pre-mix, Condensing, Modular Boilers with
Automatic Ignition for Heating and Domestic Hot Water
Installations
Installation, Commissioning
and Servicing Instructions
MODELS - 70c, 95c, 110c, 140c & 180c
NATURAL GAS I
2H
IMPORTANT NOTE
THESE INSTRUCTIONS MUST BE READ
AND UNDERSTOOD BEFORE INSTALLING,
COMMISSIONING, OPERATING OR
SERVICING EQUIPMENT

Hamworthy Purewell Variheat mk2 140c Specifications

General

Brand	Hamworthy
Model	Purewell Variheat mk2 140c
Category	Boiler
Language	English

Summary

Boiler Installation Site Requirements

Site Location Requirements

Gas Supply Installation Standards

Requirements and standards for connecting the gas supply to the boiler.

Flue System Design and Installation

Recommendations for flue system compliance, materials, and installation.

Water Supply Connection Requirements

Condensate Pipework Management

Electrical Supply and Safety

Guidance on electrical supply connection, safety, and regulations.

Boiler Lighting and Operation Verification

Boiler Gas System Leak Check

Detailed steps for performing a gas system leak check before lighting.

Pre-Lighting System Checks

Essential system checks before initiating boiler ignition.

Initial Boiler Lighting Procedure

Step-by-step guide for safely lighting the boiler for the first time.

Combustion Performance Verification

Procedures for measuring and adjusting CO2 levels for optimal combustion.

Fault Finding and Servicing

Safety Temperature Limiter Faults

Troubleshooting issues related to the safety temperature limiter tripping.

Ignition Controller Fault Diagnosis

Diagnosing faults related to the burner ignition controller and flame detection.

Recommended Servicing Schedule