Powrmatic NV75 User Manual

Users, Installation and Servicing
Instructions
WARNING: THIS APPLIANCE MUST BE EARTHED
CE
£4.00 When supplied separately.
NV Range Users, Installation & Servicing Instructions Issue 3.8 October 2009
The NV Range
Pactrol Control

Powrmatic NV75 Specifications

General

Brand	Powrmatic
Model	NV75
Category	Ranges
Language	English

Summary

Powrmatic NV Range Overview

User Operation Instructions

Pre-Operation Checks

Preliminary checks before lighting the air heater.

Heater Lighting and Shutdown

Steps for initiating the heater's ignition sequence and safely turning it off.

Maintenance Recommendations

Guidance on regular servicing for efficient and safe operation.

General Installation Requirements

Gas Supply and Pipework Specifications

Requirements for gas supply, pressure, and installation pipework.

Flue and Air Supply Systems

Requirements for flue system connection and combustion air supply.

Installation of Air Heater(s)

General Installation Precautions

Flue and Ducting Installation Details

Flue and Combustion Air Duct Systems

Procedures for installing flue and combustion air duct systems.

Gas and Electrical Connection Procedures

Gas Connection Procedure

Electrical Connection Procedures

6. Commissioning and Testing

Pre-Lighting Checks

Heater Lighting and Initial Tests

Burner Gas Pressure Adjustment

How to check and adjust burner gas pressures for various models.

7. Servicing and Maintenance

Main Burner Assembly Servicing

Ignition and Rectification Electrode Checks

Component Replacement Procedures

Detailed instructions for replacing various heater components.

8. Connections to External Controls

MC200 Fuel Saver Wiring Diagrams

Hi/Lo and Modulating Control Wiring

External Control Wiring Diagrams

9. Fault Finding Flow Chart

Troubleshooting Common Faults

Step-by-step diagnostic flow chart for common heater faults.

Control Board Diagnostic Codes