Rinnai SPECTRUM 28 REH281 EC User Manual

This appliance shall be installed in accordance with:
• Manufacturer’s Installation Instructions
• Current AS/NZS 3000 & AS/NZS 5601
• Local Regulations and Municipal Building Codes including local OH&S requirements
This appliance must be installed, maintained and removed only by an Authorised Person.
For continued safety of this appliance it must be installed and maintained in
accordance with the manufacturers instructions.
Operation & Installation Manual
SPECTRUM 28
Radiant /Convector Space Heater
To suit Models
REH281 EB (Inbuilt)
REH281 EC (Console)

Rinnai SPECTRUM 28 REH281 EC Specifications

General

Fuel Type	Natural Gas
Ignition Type	Electronic
Category	Tankless
Maximum BTU Input	199, 000 BTU
Maximum BTU	199000 BTU
Venting	Direct Vent
Warranty	12 years heat exchanger, 5 years parts, 1 year labor

Summary

Warnings & Important Information

Regulatory Information

Details installation compliance with standards and authority requirements.

Dress Guard Warnings

Emphasizes the importance and non-removable nature of the dress guard.

General Safety Warnings

Operational Safety Warnings

Safety Devices

Over Heat Switches

Explains automatic shut-off mechanisms for preventing overheating.

Flame Failure Sensing System

Operation

Ignition

Step-by-step instructions for starting the heater using the ignition button.

To Increase the Heat

To Decrease the Heat

To Turn the Unit Off

Care & Maintenance

Trouble Shooting Checklist

Installation Instructions

Console Installation Details

Covers console model setup, unpacking, and general installation steps.

Location and Warnings

Installation Instructions (Inbuilt)

Check Dimensions of Fireplace

Check Flueway

Remove Inlet Union From Unit

Gas Connection Position

Run Gas Supply

Slide Heater Into Fireplace

Check for Gas Leaks

Procedures for detecting gas leaks using a manometer or soapy water.

Flueing

Flue Terminal Location

Details requirements for flue terminal placement based on AS/NZS 5601.

Installation of Console Into Twin Skin Flue

Wall Cavity Preparation

Preparing the wall cavity and structure for console installation.

Flue and Heater Assembly

Assembling the flue system and connecting the heater.

Installation Into a Masonry Fireplace

Close Off Fireplace With Fireproof Material

Preparation of Fireplace

Connecting to Twin Skin Flue System

Installation Using Twin Skin Flue and Insulated Box for Timber Frame Openings

Testing - Console and Inbuilt

Testing Procedure & Explanation

Outlines the overall testing process and customer instruction.

To Check Burner Pressure

Steps for checking and adjusting burner pressure using a manometer.

Requirements of AS/NZS5601

Spillage Tests and Countermeasures

Critical tests for safe operation and how to address spillage.

Downdraught Diverter Testing

Installation & Commissioning Checklist