Hamworthy F40W User Manual

FLEET SERIES BOILERS
Wall Hung, Condensing , Room Sealed,
Fully Modulating, Pre-Mix,
Gas Fired Boilers for Heating & Domestic
Hot Water Installations
Installation, Commissioning
and Operating Instructions
Models: F40W, F50W, F60W, F70W, F85W, F100W,
F125W & F150W
NATURAL GAS I
2H
IMPORTANT NOTE
THESE INSTRUCTIONS MUST BE READ
AND UNDERSTOOD BEFORE INSTALLING,
COMMISSIONING, OPERATING OR
SERVICING EQUIPMENT

Hamworthy F40W Specifications

General

Brand	Hamworthy
Model	F40W
Category	Boiler
Language	English

Summary

4.0 SITE LOCATION AND PREPARATION

4.2 Gas Supply

Guidelines for gas supply pipes, connections, testing, purging, and pressure.

4.3 Flue System

Details on flue systems, materials, installation, suction, and discharge.

4.4 Water Supply

Requirements for feed and expansion tanks, pipework, safety valves, and water quality.

4.6 Electrical Supply

Warnings and guidelines for earthing, supply voltage, fuses, wiring, and isolation.

5.0 BOILER ASSEMBLY

5.2 Water Connections

Details on water connections, isolating valves, safety valves, and pump operation.

5.3 Flue Connection

Information on available flue systems and their design requirements.

6.0 PRE-COMMISSIONING

7.0 CHECKS PRIOR TO LIGHTING

7.1 Boiler Gas System Leak Check

Procedure for checking the boiler gas system for leaks.

7.2 Gas inlet pressure test

Procedure to check gas inlet pressure for constant and sufficient supply.

7.2 Checks prior to lighting the boiler

List of checks to be made before lighting the boiler.

7.3 Commissioning the Boiler

Procedures for commissioning the boiler modules.

7.3 Initial Lighting

Steps for initial lighting of the boiler by competent persons.

7.4 Ignition Controller Check

Checking the correct operation of the ignition controller.

7.6 Combustion Checks

Procedure for performing combustion checks using an analyser.

7.6.1- Adjusting gas valve throttle

Procedure for adjusting the gas valve throttle for combustion mixture.

7.6.3 - Adjusting gas valve offset

Procedure for adjusting the gas valve offset for low fire target CO2.

7.7 Setting the flow rate to achieve 20°C AT

Procedure for setting the flow rate to achieve a 20°C temperature difference.

8.0 CONTROLS OPERATION

8.2.4 - Lockout Display

How lockout codes are displayed and how to switch to error code.

8.2.5 - Adjusting the heating circuit setpoint temperature

Procedure for adjusting the heating circuit setpoint temperature.

8.2.10 - Error code display

How error codes are displayed and how to cancel lockout.

8.3.1 Frost Protection

Details on frost protection levels and operation.

8.3.2 Anti Legionella

Function to prevent pathogenic bacteria in DHW tanks.

8.3.5 Boiler overheat protection

How flow and return sensors provide overheat protection.

9.0 FAULT FINDING

9.1 Safety Temperature Limiter (Limit Thermostat)

How the safety temperature limiter functions and trips.

9.2 Water Flow Switch

Function of the water flow switch and error generation.

9.3 Ignition Controller

How the burner ignition controller monitors flame and handles faults.

10.0 SERVICING

10.1 Regular servicing

Recommendations for regular servicing to ensure trouble-free operation.

10.2 Annual Service

Procedure for annual servicing of the boiler.

10.3 Four Year Service

Additional steps for a four-year service, including heat exchanger cleaning.

11.0 REPLACEMENT OF FAILED COMPONENTS

11.1 HT Electrode and Flame Probe

Procedure for replacing HT electrode and flame probe ceramics.

11.2 Flow / Return sensor

Procedure for replacing flow/return sensors.

11.3 Flue Gas sensor

11.4 Temperature Limiter (Limit Stat)

11.5 Water Flow switch

11.6 Gas Valve

11.7 Fan

11.8 Main control pcb - LMU

11.9 Display screen

11.10 Low gas pressure switch

11.11 Air Pressure Switch