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Nature Air RGRM-06*MAES User Manual

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92-24161-84-01
SUPERSEDES 92-24161-84-00
INSTALLATION INSTRUCTIONS
FOR UPFLOW, DOWNFLOW/HORIZONTAL HIGH
EFFICIENCY CONDENSING TWO-STAGE GAS
FURNACES
RGRM, RGTM SERIES
ISO 9001:2008
U.L. recognized fuel gas and CO (carbon monoxide) detectors are recommended in all
applications, and their installation should be in accordance with the manufacturer’s
recommendations and/or local laws, rules, regulations, or customs.
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Nature Air RGRM-06*MAES Specifications

General IconGeneral
BrandNature Air
ModelRGRM-06*MAES
CategoryFurnace
LanguageEnglish

Summary

Installation Check List

General Information

Important Information About Efficiency and Indoor Air Quality

Safety Information

Massachusetts Safety Requirements

Safety requirements for side wall horizontally vented gas appliances in MA.

Safety Exemptions

Exemptions from Massachusetts safety requirements for gas appliances.

Manufacturer Venting System Requirements (Provided)

Manufacturer requirements for supplied venting systems.

Manufacturer Venting System Requirements (Not Provided)

Manufacturer requirements for non-supplied venting systems.

Installation Instruction Record Keeping

Requirement to keep installation instructions with the appliance.

Location Requirements and Considerations

General Location Information

General considerations for furnace installation location.

Site Selection

Guidelines for selecting a suitable installation site.

Clearance and Accessibility Requirements

Clearances required for furnace installation and service access.

Ducting

Upflow Unit Ducting

Instructions for ducting upflow furnace units.

Downflow Unit Ducting

Instructions for ducting downflow furnace units.

Horizontal Unit Ducting

Instructions for ducting horizontal furnace units.

Venting and Combustion Air Piping

Venting and Combustion Air General Information

General principles for venting and combustion air.

Overtemperature Safety Switches

Function and reset of overtemperature safety switches.

Existing Vent System Considerations

Guidelines for connecting to existing vent systems.

Cementing Pipe Joints

Proper procedure for cementing pipe joints.

Combustion and Ventilation Air

Non-Direct Furnace Installation Air Requirements

Combustion and ventilation air for non-direct installations.

Unconfined Space Air Requirements

Combustion air requirements for unconfined spaces.

Confined Space Air Requirements

Combustion air requirements for confined spaces.

Using Indoor Air for Combustion

How to use indoor air for combustion.

Outdoor Air - Method 1 (Two Openings)

Method 1 for providing outdoor combustion air.

Outdoor Air - Method 2

Method 2 for providing outdoor combustion air.

Furnace Combustion Air Connection

Connecting combustion air to the furnace.

Vent Pipe Installation

Non-Direct Vent Installation Guidelines

General guidelines for non-direct vent installations.

Alternate Elevated Tee Termination

Instructions for alternate elevated tee termination.

Standard Installations

Guidelines for standard installation methods.

Non-Direct Vent Termination Location

Location requirements for non-direct vent terminations.

Direct Vent Installations

Direct Vent Installation Guidelines

General guidelines for direct vent installations.

Combustion Air for Direct Vent Installations

Specific combustion air requirements for direct vent systems.

Standard Direct Vent Terminations

Requirements for standard direct vent terminations.

Alternate Direct Vent Terminations

Options for alternate direct vent terminations.

Concentric Terminations

Information on concentric vent termination types.

Concentric Vent Kit Installation (RXGY-E03A)

Details for installing the concentric vent kit.

Concentric Sidewall Assembly

Assembly instructions for sidewall concentric vents.

Concentric Roof Installation

Installation instructions for concentric vents on roofs.

Location Requirements Horizontal Direct Vents

Multiventing

Guidelines for venting multiple furnaces.

RXGY-G02 Side Wall Vent

Specifics for the RXGY-G02 side wall vent.

Combustion to Furnace

Upflow Furnace Combustion Connection

Connecting combustion air and vent pipes for upflow furnaces.

Downflow/Horizontal Furnace Combustion Connection

Connecting combustion air and vent pipes for downflow/horizontal furnaces.

Condensate Drain/Neutralizer

Condensate Drain/Neutralizer General Info

General information about condensate drainage.

Upflow Condensate Drain System

Details of the condensate drain system for upflow models.

Upflow Condensate Trap Reversal

Steps to reverse the condensate trap for upflow units.

Downflow Condensate Trap Conversion

Instructions for converting downflow condensate trap.

Condensate Drain for Horizontal Installation

Instructions for horizontal installation of condensate drain.

Filling the Condensate Trap

Instructions for filling the condensate trap.

Gas Supply and Piping

Gas Supply Information

Important information regarding gas supply.

Gas Piping Installation

Guidelines for installing gas piping.

Gas Valve Operation

Information on the gas valve's function and settings.

LP Conversion

LP Gas Orifice Installation

Instructions for installing LP gas orifices.

Changing Burner Orifices

Procedure for changing burner orifices.

LP Gas Valve Conversion and Pressure Adjustment

Steps to convert the gas valve and adjust pressure for LP gas.

Completing LP Conversion

Final steps after completing the LP gas conversion.

Electrical Wiring

Thermostat

Heat Anticipator Settings

How to set the heat anticipator.

Optional Accessories

Information on optional accessories.

Isolation Relay Installation

When and how to install an isolation relay.

Electronic Air Cleaner Connection

Connecting an electronic air cleaner.

Humidifier Connection

Connecting a humidifier.

90+ High Altitude Instructions

High Altitude Instructions (Natural Gas)

High altitude adjustments for natural gas.

High Altitude Instructions (LP Gas)

High altitude adjustments for LP gas.

Orifice Ordering Information

Information on ordering orifices.

Start-Up Procedures

Direct Spark Ignition Lighting

Instructions for starting the furnace with direct spark ignition.

Starting the Furnace

Step-by-step procedure to start the furnace.

Shutting Down the Furnace

Step-by-step procedure to shut down the furnace.

Ignitor Placement and Alignment

Proper placement and alignment of the ignitor.

Sequence of Operation

Description of the furnace's operational sequence.

Single-Stage Heat Thermostat Operation

How single-stage thermostats control the furnace.

Integrated Furnace Control & ECM Motor Settings

Calling for 1st Stage Heat

Procedure when calling for first stage heat.

Calling for 2nd Stage Heat

Procedure when calling for second stage heat.

Cooling Airflow Adjustments

Adjustments for cooling airflow settings.

Two-Stage Cooling Selection

Selecting two-stage cooling mode.

Continuous Fan Adjustments

Adjusting continuous fan settings.

Dehumidification Function

How the dehumidification feature works.

Air Flow

Temperature Rise Check

Procedure to check the temperature rise.

Maintenance

Filter Maintenance

How to maintain air filters.

Filters and Placement

Information on filters and their placement.

Customer Advice

Advice to give to the customer.

Annual Inspection

Recommended annual inspection items.

Troubleshooting Overview

Introduction to troubleshooting procedures.

Status LED Codes

Power LED Indicator

Indication of 24VAC power to the control board.

CFM LED Indicator

Indication of target airflow.

Wiring Diagram Reference

Reference to the furnace wiring diagram.

Two-Stage Integrated Furnace Control (IFC) Troubleshooting Guide Using Two-Stage Thermostat

Hazardous Voltage and Line Connections

Warning about hazardous voltage and line connections.

Troubleshooting Chart Abbreviations

Key to abbreviations used in the troubleshooting chart.

Status LED Blink Codes

Explanation of status LED blink codes.

Flame LED Codes

Explanation of flame LED codes.

Troubleshooting Start

Starting the troubleshooting process.

Troubleshooting Pre-Purge

Checks during the pre-purge phase.

Troubleshooting Ignition Trial

Checks during the ignition trial phase.

Troubleshooting IBM "On" Delay

Checks during the Indoor Blower Motor "On" delay.

Troubleshooting Steady Low Heat

Checks for steady low heat operation.

Troubleshooting End Heat Call

Checks when the heat call ends.

Troubleshooting Post-Purge

Checks during the post-purge phase.

Troubleshooting IBM "Off" Delay

Checks during the Indoor Blower Motor "Off" delay.

Troubleshooting Steady Off

Checks for steady off state.

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