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Nortek REZNOR PHOTON 65 User Manual

Nortek REZNOR PHOTON 65
52 pages
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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

Table of Contents

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Nortek REZNOR PHOTON 65 Specifications

General IconGeneral
BrandNortek
ModelREZNOR PHOTON 65
CategoryGas Heater
LanguageEnglish

Summary

Installer Safety and Responsibilities

Important Installation Notices

Critical warnings and installer responsibilities for safe and compliant setup.

Hazardous Environment Precautions

Prohibits use in atmospheres with flammable vapors, combustible dust, or silicone substances.

General Safety Guidelines

Health and Safety Precautions

Covers handling, water exposure, supervision, and emergency gas procedures.

Technical Data and Dimensions

Installation: Location and Mounting

Hanging and Suspension Methods

Instructions for safely suspending the unit using threaded rods.

Installation: Flue and Air Systems

Type B Appliance Installation Details

Type B Flue, Air, and Clearance Requirements

Specifics for Type B installations including flue, air supply, and clearances.

Type C Appliance Installation Details

Type C Balanced Flue System Requirements

Specifics for Type C systems, including air intake, flue, and clearances.

Gas Supply and Connection

Gas Supply Pressure and Testing

Ensuring correct gas supply pressure and pipework integrity.

Electrical Safety and Wiring

Electrical Installation Safety Protocols

Emphasis on qualified personnel, proper earthing, and cable sizing.

Wiring Requirements and Control Signals

Details on cable sizing, thermostat signals, and mains isolation.

Thermostat and Control Integration

Wiring Diagrams and Notes

Wiring Diagram Overview

Visual representation of electrical connections and component layout.

Commissioning and Initial Startup

Pre-Start Operational Checklist

Essential checks before initial power-up, including suspension and gas safety.

Unit Startup Procedure

Step-by-step guide for initial operation and burner ignition.

Operational Adjustments and Gas Settings

Commissioning Performance Checks

Commissioning Analysis and Verification

Required tools and procedures for performance verification (CO/CO2, pressure).

Nominal Combustion Data

Unit Operation Modes

Burner Ignition and Modulation Control

Describes burner start-up, stabilization, and modulation based on heat demand.

Safety Limit Control and Lockout Functions

Explains operation of LC1/LC3 limit controls and lockout conditions.

Operation Monitoring and Status Indicators

Routine Maintenance Tasks

Maintenance: Gas System Components

Gas Valve Replacement Procedure

Step-by-step guide for replacing the gas valve assembly.

Maintenance: Air and Burner Components

Burner Assembly Servicing

Maintenance: Safety and Ignition Components

Safety Thermostat (LC1/LC3) Replacement

Procedures for replacing safety thermostats.

Maintenance: Fan System Components

Fault Finding and Diagnostics

General Troubleshooting Flowchart

Visual guide for diagnosing common operational issues.

ErP Energy Efficiency Data Tables

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