Nortek REZNOR PHOTON 45 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 45 Specifications

General

Brand	Nortek
Model	REZNOR PHOTON 45
Category	Gas Heater
Language	English

Summary

Important Notices for Installers

Health and Safety Precautions

Technical Data Overview

Installation Guide

Heater Location Considerations

Hanging the Heater Safely

Instructions for securely suspending the unit, including mounting height and support requirements.

Combustion Air and Flue Arrangements

Details requirements for flue systems and combustion air supply for safe and efficient operation.

Type B Appliance Installation

Type C Appliance Installation

Gas Connection Procedures

Electrical Supply and Connections

Thermostat Control Integration

Wiring Diagram and Connections

Commissioning and Startup

Pre-Start Checks

Essential checks to perform before powering on and operating the unit for the first time.

Appliance Startup Sequence

Step-by-step guide for initiating the unit's operation and confirming functionality.

Air / Gas Ratio Controls

Gas Valve Adjustment Guide

Detailed instructions for adjusting the gas valve settings for various models.

Commissioning Checks and Analysis

Procedures for verifying performance using flue gas analysis and pressure measurements.

Commissioning Handover and User Information

Guidance on completing the commissioning process and informing the user about safe operation.

Unit Operation and Safety Controls

LED Status and Fault Diagnosis

Explains the LED status indicator for monitoring operation and diagnosing faults.

Component Layouts for Maintenance

Maintenance Schedule and Procedures

Gas Valve Replacement Guide

Step-by-step instructions for safely replacing the unit's gas valve.

Venturi Cleaning and Replacement

Combustion Fan and Burner Maintenance

Combustion Fan Cleaning and Replacement

Burner Cleaning and Replacement

Thermostat and Control System Replacements

Safety Thermostat Replacement (Models 25-120)

Safety Thermostat Replacement (Models 10-20)

Ignition Controller Replacement

Unit Operation Verification

Troubleshooting and Fault Finding

ErP Energy Efficiency Data (G20)

ErP Energy Efficiency Data (G25)

ErP Energy Efficiency Data (G25.3)