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General| Model | RA235 |
|---|---|
| Type | Unit Heater |
| Phase | 1 |
| Input BTU | 235, 000 BTU/hr |
| Fuel Type | Natural Gas / Propane |
Lists the specific Reznor heater models covered in this manual.
Covers heater usage, compliance with codes, and warranty conditions.
Advises on backup heat sources and approved fuels, including warnings.
Discusses environmental safety and critical venting requirements for safe operation.
Covers air requirements for combustion and consequences of non-compliance.
Steps for safely unpacking and inspecting the heater upon arrival.
Details the components found in the parts carton for installation.
Specifies safe distances from flammable materials around the heater.
Guidelines for installing the heater at altitudes above 3,000 ft.
Details on fuel tank capacity, type, and installation regulations.
Instructions for installing the remote fuel pump and connecting the supply lines.
Illustrates a standard setup for the fuel oil supply lines.
Information on the weight of the heater and methods for secure suspension.
Basic principles and requirements for installing a safe and functional vent system.
Specific technical details, clearances, and slopes for vent pipe configurations.
Procedures for installing and setting the barometric draft regulator.
Instructions for attaching inlet and discharge ductwork to the heater.
Detailed instructions for wiring the heater's electrical components.
Essential checks and fuel line preparation before initial startup.
Step-by-step guide for starting the heater.
Verifying proper operation after initial startup.
Outlines the importance of regular maintenance and provides a schedule.
Procedures for cleaning or replacing the fuel supply line filter and pump screen.
Instructions for cleaning internal components affected by combustion byproducts.
Steps for replacing the air filter and servicing burner parts like the end cone and nozzle.
Guidance on inspecting, servicing, and adjusting the spark electrodes.
Procedures for cleaning the oil pre-heater to ensure optimal performance.
Instructions for cleaning the external surfaces of the heater and its blower.
Provides context for service personnel and explains how the heater operates.
Further explanation of the heater's operational cycle, safety controls, and air handling.
Diagnosing common oil burner issues and understanding the backflow sensor's function.
A guide to selecting the correct troubleshooting chart based on symptoms.
Identifies key components referenced in troubleshooting charts for easy location.
Step-by-step guide for diagnosing why the burner motor does not start.
Diagnostic steps when the system indicates readiness but the motor doesn't run.
Troubleshooting steps when the burner motor runs but ignition fails.
Steps to diagnose and resolve issues causing the system to lock out after a stable burn.
Troubleshooting guide for diagnosing an unstable or erratic flame.
Steps to diagnose and correct causes of high temperature limit cycling.
Explanation of the fan control and high limit switches within the assembly.
Diagnostic flowchart for issues related to oil delivery and pump operation.
Complete electrical wiring diagram for the heater models.
A logbook to record maintenance dates, meter readings, and initials.
Fields for installer data and contact details for service and support.
