Nortek REZNOR PHOTON 55 User Manual

MANUAL PART NO. D301310 ISS 0
INSTALLATION, COMMISSIONING AND SERVICING
MANUAL
PHOTON
GAS FIRED UNIT HEATER
Please read this document carefully before commencing installation, commissioning and/or servicing.
Leave it with the end user/site agent to be placed in their premises technical file after installation.
WARNING
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death.
All work must be carried out by appropriately qualified persons.
The manufacturer does not take any responsibility in the event of non-observance of the regulations concerning the connection of the apparatus causing a
dangerous operation possibly resulting in damage to the apparatus and/or environment in which the unit is installed.
These appliances meet the following EC directives
(EU) 2016/426: GAR
(EU) 2016/2281 ErP
DIR 2014/30/EU:EMC
DIR 2014/35/EU:LVD
DIR 2006/42/EC:MD
PH45-LITKIT-UK
Literature Kit UK
ErP
2021
ErP Lot 21
Seasonal Efficiency and
NOx compliant

Nortek REZNOR PHOTON 55 Specifications

General

Brand	Nortek
Model	REZNOR PHOTON 55
Category	Gas Heater
Language	English

Summary

Installer Guidance and Safety

Installer Responsibilities & Notices

Critical instructions and responsibilities for qualified installers before and during installation.

Unit Health and Safety Precautions

Essential safety measures, warnings, and procedures to prevent injury and property damage.

Technical Specifications and Data

Installation Procedures

Optimal Heater Location Selection

Heater Suspension and Mounting Methods

Flue System and Air Supply Requirements

Requirements for flue systems and combustion air supply for Type B and Type C installations.

Type B Appliance Installation Guidelines

Type C Appliance Installation Guidelines

Gas Connection Installation Steps

Detailed instructions for connecting the gas supply, including safety checks and pressure requirements.

Electrical Installation and Wiring Practices

Guidelines for safe electrical connections, earthing, and wiring practices.

Unit Wiring Connections Diagram

Visual guide to electrical connections, terminal identification, and control wiring.

Commissioning and Operation Protocols

Pre-Startup Inspection Checklist

Essential checks to perform before initial startup to ensure safe and correct operation.

Unit Startup and Initial Operation

Step-by-step guide for safely starting the unit after installation.

Gas Valve and Air-Gas Ratio Adjustment

Procedures for adjusting air/gas ratio controls for optimal combustion performance.

Commissioning Checks and User Handover

Final checks, analysis, and user handover procedures post-commissioning.

Heater Operational Modes and Safety

Status Indicators and Reset Procedures

Maintenance and Component Replacement

Recommended Annual Maintenance Schedule

Heat Exchanger Servicing and Inspection

Gas Valve Servicing and Replacement

Detailed steps for safely replacing the gas valve assembly.

Venturi Maintenance and Replacement Steps

Combustion Fan Servicing and Replacement

Burner Cleaning and Replacement Procedures

Burner Probe Maintenance and Replacement

Thermostat Replacement Procedures

Ignition System Component Replacement

Air Circulation Fan Maintenance

Troubleshooting and Fault Diagnosis

Diagnostic Flowcharts for Issues

Diagnostic flowcharts to identify and resolve operational issues based on unit status.