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Potterton Derwent Compact Plus User Manual

Potterton Derwent Compact Plus
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MAY 2004
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Potterton Derwent Compact Plus Specifications

General IconGeneral
BrandPotterton
ModelDerwent Compact Plus
CategoryHeat Pump
LanguageEnglish

Summary

GENERAL

OPTIONAL EXTRAS

Details on optional accessories available for the boiler unit.

INSTALLATION

BOILER SITING AND BASE

VENTILATION

FLUE

FLUE SIZE CONSIDERATIONS

Guidelines for determining the appropriate size for flue systems.

WATER CIRCULATION SYSTEMS

BOILER PROTECTION

SYSTEM WATER QUALITY

SEALED SYSTEMS

Noise Level

Information on the typical noise level output of the boilers.

BOILER INSTALLATION

Risk Assessment

Procedures for assessing and managing risks during installation.

Manual Handling

Guidelines for safe lifting and moving of the boiler and its parts.

Personal Protective Equipment

Requirements for PPE to ensure installer safety during work.

Confined Spaces

Precautions for working in enclosed or restricted areas.

Electrical Safety

Procedures and precautions for safe electrical work on the boiler.

Preparation

Steps to ensure readiness before starting the boiler installation.

COSHH

Handling of hazardous substances and required precautions.

Potterton Commercial Customer Check List

UNPACKING BOILER

Boiler Main Components

Control & Safety Equipment

Set-up components

Working Principles of the Derwent Compact Plus Condensing

HYDRAULIC TEST OF BOILER

Connecting the Water System

Condensate

Connecting the Electrical Supply

Connecting the Flue

Connecting the Gas Supply

Boiler Controls

Potterton Commercial Customer Commissioning Check List

Contravention of Regulations

COMMISSIONING

Commissioning figures

Control Panel

Gas Assembly

Set-up

Procedures for adjusting the gas valve for optimal performance.

Adjusting the Air

Low Load Control & Set-up

Important - Safety

Critical safety information and legal requirements for gas appliance work.

Emergency Instructions

Guidance on actions to take in case of hazardous conditions.

Pre-Lighting

Commissioning Live Run

Gas Valve Arrangement

Ionisation Current Check

Ventilation Checks

Operation Of Ancillary Controls

To Shut Down Boiler

Boiler Maintenance

Boiler Cleaning

Main Heat Exchanger Cleaning

Access to fan, pressure switches, dampers and venturi

WATER FLOW SWITCH

FAULT FINDING

Overheat Operation

Troubleshooting steps for overheat conditions and reset procedures.

Burner Lockout

Understanding burner lockout and manual reset procedures.

General Arrangement of Pilot Burner

Fault Finding

Stage 1

Troubleshooting steps for when the boiler does not attempt to light.

Stage 2

Troubleshooting steps for when the boiler does not light even with the fan running.

Stage 3

Troubleshooting steps for no ignition spark or pilot light failure.

Stage 4

Troubleshooting steps for ignition sparks but pilot burner not lighting.

Stage 5

Troubleshooting steps for pilot burner lighting but control box lockout.

Fault Finding

Stage 6

Troubleshooting steps for pilot burner lighting but main burner not lighting.

Stage 7

Troubleshooting steps for main burner lighting but control box lockout.

Stage 8

Troubleshooting steps for boiler working only on low load.

Stage 9

Troubleshooting steps for boiler working on high load.

Spare Parts List - Casing

Heat Exchanger Assembly

Fan Assembly

Flue Box Assembly

General

Burner Bar Assembly

Control Panel

COMMISSIONING REPORT

1.0 BOILER

Checks related to the boiler's type, sections, and serial number.

2.0 BURNER/CONTROLS

Checks for burner type, flame detection, and control box.

3.0 BURNER SETTINGS

Verification of main and pilot burner injector sizes and electrode settings.

4.0 FLUE SYSTEM CHECK

Inspection of flue type, fan, draught stabilizer, and system clarity.

5.0 PRE-COMMISSIONING PRELIMINARY CHECKS

Essential checks before commissioning, including ventilation and gas supply.

6.0 COMBUSTION

Measurement of gas pressures, CO2, CO, and flue gas temperature.

7.0 OPERATIONAL SAFETY CHECKS

Verification of safety thermostats, gas leaks, and lockout functions.

8.0 BOILER/SYSTEM CHECK LIST

Checks for water pressure, valve operation, and safety systems.

PRESSURE RATING.

Verification of system pressure rating and safety valve.

COMMISSIONING REPORT (Continued)

FINDINGS

Final assessment of installation safety, remedial work, and warning labels.

CONVERSION TABLE

Commercial Sales

Commercial Service

Spares

Applications and Installations