Rheem 80PS07EBR User Manual

92-24161-38-03
SUPERSEDES 92-24161-38-02
INSTALLATION INSTRUCTIONS
FOR UPFLOW/HORIZONTAL & DOWNFLOW INDUCED
DRAFT GAS FURNACES
(-)GPN/(-)GPP UPFLOW/HORIZONTAL SERIES
(-)GLN DOWNFLOW SERIES

Rheem 80PS07EBR Specifications

General

Brand	Rheem
Model	80PS07EBR
Category	Furnace
Language	English

Summary

SAFETY INFORMATION

General Safety Warnings

Critical safety warnings regarding fire, explosion, property damage, personal injury, or death.

Proposition 65 Warning

California-specific warning about chemicals causing cancer, birth defects, or reproductive harm.

Gas Leak Safety Procedure

Steps to follow if gas is smelled, including actions to avoid and contact information.

INSTALLATION CHECKLIST

Gas Supply Checks

Verifies adequate pipe size, no gas leaks, and proper supply/manifold gas pressure.

Electrical Checks

Confirms thermostat, wiring, voltage, grounding, and flame signal are correct.

Venting Checks

Ensures correct vent pipe diameter, material, clearance, and negative pressure.

Combustion Air Checks

Verifies proper source, opening size, and type of combustion air.

Furnace Installation Checks

Confirms clearances, air temperature rise, static pressure, filters, and ducting.

IMPORTANT INSTALLATION NOTE

Read All Instructions

Emphasizes reading all instructions before assembly, installation, operation, or maintenance.

Inspect For Damage

Advises inspecting all parts for damage upon unpacking before installation and start-up.

CRITICAL SAFETY GUIDELINES

General Installation Requirements

Covers gas type, location, combustion air, venting, and proper installation.

Specific Installation Scenarios

Addresses requirements for garages, construction sites, and ducting for external air.

Leak Detection and Operation Limits

Emphasizes safe gas leak testing and maintaining specified operating temperature ranges.

GENERAL INFORMATION AND CODES

Furnace Gas and Venting Standards

Furnace certified for natural/propane gas, uses specific vent pipe types and follows codes.

Energy Efficiency and Consumer Benefits

Discusses AFUE, low operating cost, comfort, reliability, and heat exchanger design.

Industry Standards and Publications

Lists relevant codes like National Fuel Gas Code and publications from NFPA and CSA.

FURNACE LOCATION CONSIDERATIONS

Mobile Home Prohibition

Prohibits installation in mobile homes due to fire, damage, injury, or death risks.

Installation Orientation

Not approved for installation on its back with access doors facing upwards.

Installation Sites

Suitable for attics, alcoves, utility rooms, closets, and crawlspaces.

Support and Clearance Requirements

Requires proper support and maintenance of recommended clearances for service access.

UPFLOW/HORIZONTAL CLEARANCES AND DIMENSIONS

Combustible Material Clearances

Table detailing required clearances to combustible materials for various models.

Unit Dimensions

Diagram showing physical dimensions and connection points for upflow/horizontal models.

DOWNFLOW CLEARANCES AND DIMENSIONS

Combustible Material Clearances

Table detailing required clearances to combustible materials for downflow models.

Unit Dimensions

Diagram showing physical dimensions and connection points for downflow models.

CLEARANCE AND SITE SELECTION

Accessibility and Fire Protection Clearances

Details clearances required for accessibility and fire protection for all models.

Combustible Floor Installation

Specifies requirements for installing on combustible floors, including special bases.

Garage Installation Safety

Reinforces garage installation rules, keeping area clear of combustibles.

Ducting and Airflow Requirements

Explains proper ducting for airflow, sizing, total static pressure, and return air sources.

FURNACE INSTALLATION PROCEDURES

Upflow Unit Installation

Steps for connecting return/supply ducting for upflow units, including side and bottom return air.

Downflow Unit Installation

Guidelines for downflow installation, including combustible floor bases and coil placement.

Horizontal Unit Installation

Instructions for mounting, connecting ductwork, and coil placement for horizontal units.

COMBUSTION AND VENTILATION AIR

General Air Requirements

Emphasizes providing enough fresh air for combustion and ventilation to prevent CO poisoning.

Corrosive Atmosphere Warning

Warns against using air from corrosive atmospheres, which can cause warranty issues.

Installations Requiring Outdoor Air

Lists scenarios like pools, laundry rooms, etc., that may require outdoor air for combustion.

COMBUSTION AIR SPECIFICATIONS

Unconfined Space Air Requirements

Details cubic feet per 1000 BTUH and examples of room sizes for unconfined spaces.

Confined Space Air Requirements

Outlines opening requirements for confined spaces, communicating with outdoors.

Air Intake Pipe Connection

Discusses optional double elbow for intake pipe connection on GPN & GPP models.

COMBUSTION AIR VENTILATION METHODS

Method 1: Two Permanent Openings

Describes providing two openings (top/bottom) communicating with outdoors for combustion air.

Method 2: Single Permanent Opening

Explains using one top opening communicating with outdoors for combustion air.

Combustion Air Intake Restrictions

Warns against restricting air openings and consulting local codes for special requirements.

OPTIONAL COMBUSTION AIR INTAKE METHODS

Method 3: Attic Air Intake

Allows bringing attic air directly for quiet operation, requiring attic ventilation.

Intake Blockage Prevention

Advises installing a 90° elbow to prevent accidental blockage of the air intake opening.

Intake Pipe Material Caution

Warns that using sheet metal intake pipe instead of PVC may result in noise issues.

VENTING AND DRAFT INDUCER INFORMATION

Venting Compliance and Warnings

Emphasizes adherence to codes and warns against untested vent accessories.

Draft Inducer Collar Installation

Instructs on drilling holes for vent pipe attachment to the draft inducer collar to prevent CO poisoning.

Furnace Category and Venting Basics

Explains Category I induced draft furnaces and the importance of preventing condensation.

Vent System Application Notes

Provides notes on inspecting existing vent systems and using correct vent pipe diameters.

VERTICAL VENTING SPECIFICATIONS

B-1 Vent Installation Requirements

Details requirements for type B-1 vents, support, spacing, and termination above roof.

Vertical Vent System Guidelines

Covers rise per foot, support, mechanical fastening, and horizontal run limitations.

Chimney Venting Restrictions

Prohibits venting into solid fuel appliance chimneys due to fire risk and improper function.

Special Vent Systems (SVS) Note

Advises ceasing new installations of HTPV pipe for Category III vent applications.

VENTING SYSTEM OPTIONS AND RETROFIT

Power Venting Systems

Describes methods for horizontal venting when vertical venting is not possible, requiring specific power venters.

Existing Vent System Inspection

Stresses the importance of inspecting existing vent systems for obstructions, blockages, or corrosion.

Common Venting Retrofit Procedure

Outlines steps for safely retrofitting common venting systems, including door/window closures and testing.

GAS SUPPLY AND PIPING INSTALLATION

Natural Gas vs. LP Gas Conversion

Warns about using correct kits for LP conversion and the need for qualified technicians.

Gas Piping Installation Guidelines

Covers local codes, running separate supply lines, shut-off valves, drip legs, and flexible connectors.

Gas Valve Connections and Pressure Testing

Advises using backup wrenches, avoiding overtightening, and disconnecting for pressure testing.

GAS PRESSURE AND CONVERSION

Gas Pressure Specifications

Details maximum and minimum supply and manifold pressures for natural and LP gas.

High Altitude Gas Pressure Adjustment

Requires input rate adjustment and orifice recalculation for elevations above 2000 ft.

LP Gas Conversion Procedure

Explains LP gas conversion involves changing the regulator spring and orifices, requiring a technician.

NOx Model LP Conversion Steps

Provides specific steps for removing NOx inserts when converting NOx models to LP gas.

SETTING GAS PRESSURE AND PIPE SIZING

Gas Pressure Measurement

Describes how to measure gas pressure using a U-tube manometer at the line pressure tap.

Natural Gas Pipe Sizing

Provides tables for natural gas pipe capacity based on size, length, and input requirements.

LP Gas Pipe Sizing

Offers tables for LP gas pipe capacity based on size, length, and input requirements.

FURNACE INPUT ADJUSTMENT AND CHECKING

Input Adjustment Caution

Warns against setting input above the rating plate value and highlights high altitude adjustments.

Gas Pressure Regulator Adjustment

Details how to adjust the pressure regulator to increase or decrease pressure.

Checking Furnace Input Rate

Outlines steps to measure gas consumption and use a table to determine input rate.

ELECTRICAL WIRING AND THERMOSTAT INSTALLATION

Electrical Connection Safety

Stresses turning off power, grounding the cabinet, and proper polarity for connections.

Thermostat Compatibility and Installation

Discusses thermostat compatibility, isolation relays, and proper installation location.

Control Circuit Wire Sizing

Provides guidance on selecting appropriate wire sizes for 24-volt control circuits based on load and run length.

OPTIONAL ACCESSORIES AND FURNACE TWINNING

Field Installed Accessories

Details wiring for electronic air cleaners, humidifiers, and fossil fuel kits.

Chimney Adapter Certification

Notes CSA certification for RXGW-B01 Chimney Adapter for specific models.

Furnace Twinning Installation

Provides important notes and instructions for twinning identical furnaces with specific control boards.

FURNACE TWINNING WIRING DIAGRAM

Single Stage Twinning Connection

Illustrates wiring connections for single-stage twinning of furnaces with UT Electronic Controls 1028-928.

FURNACE TWINNING WIRING DIAGRAM

Two Stage Twinning Connection

Illustrates wiring connections for two-stage twinning of furnaces with UTEC 1028-928.

HIGH ALTITUDE OPERATION AND ORIFICE SIZING

Altitude Deration Guidelines

Explains NFGC guidelines for derating furnaces at high altitudes and the 4% per thousand feet rule.

Orifice Selection for Altitudes

Provides tables and examples for selecting correct orifices based on altitude and gas heating value.

Canadian High-Altitude Derate Method

Details an alternate method for Canadian installations involving manifold pressure reduction.

SUPPLEMENTAL ORIFICE SIZE CHART

Natural Gas Orifice Selection

Provides a quick reference chart for natural gas orifice selection based on altitude and heat value.

FURNACE START-UP AND OPERATION

Lighting Instructions and Safety

Guides through the direct spark ignition process, emphasizing safety steps and gas leak checks.

Furnace Sequence of Operation

Describes the step-by-step process of how the furnace ignites and operates during a heating call.

Integrated Furnace Controls Update

Notes changes in IFCs affecting blower/inducer operation during limit circuit opening.

BLOWER SPEED AND TIMING ADJUSTMENTS

Blower Limit Control Behavior

Explains how limit circuits affect blower operation and troubleshooting for IFCs.

Blower Speed Testing Methods

Outlines methods for testing limit circuits and checking blower motor operation.

Setting Blower Off Timings

Provides instructions and diagrams for setting the blower's off delay timings.

AIR FLOW AND TEMPERATURE RISE

Airflow Importance and Checks

Stresses the importance of proper airflow to prevent heat exchanger overheating and details temperature rise checks.

Temperature Rise Measurement

Guides on measuring temperature rise by checking supply and return air temperatures.

Motor Lubrication and Cleaning

Notes that motors are prelubricated but require periodic cleaning and air filters must be kept clean.

DOWNFLOW BLOWER PERFORMANCE DATA

Fan Speed Air Delivery

Presents data on CFM and air delivery at various fan speeds and static pressures.

UPFLOW/HORIZONTAL BLOWER PERFORMANCE DATA

Fan Speed Air Delivery

Presents data on CFM and air delivery at various fan speeds and static pressures for upflow/horizontal models.

FURNACE SAFETY FEATURES

Limit Control Function

Explains the factory-set high limit control that prevents overheating due to low airflow.

Flame Roll-Out Safety Switches

Describes the function of safety switches that shut down the furnace in case of flame roll-out.

Pressure Switch Operation

Details the pressure switch monitoring vent system pressure and reasons for it not closing.

MAINTENANCE PROCEDURES

Filter Maintenance and Replacement

Emphasizes keeping air filters clean and provides a table for filter sizes and locations.

Filter Placement and Airflow Impact

Discusses critical filter placement for airflow and the consequences of dirty filters or no filters.

FILTER INSTALLATION DETAILS

Upflow Filter Retaining Rod

Illustrates the installation of filter retaining rods for upflow units with side return.

Downflow Filter Installation

Shows the filter installation method for downflow units.

SYSTEM OPERATION AND MAINTENANCE

Customer Operation Advice

Advises customers on filter cleaning, unobstructed registers, closing doors/windows, and thermostat influence.

Annual Furnace Inspection

Recommends annual inspection of flue passageways, vent system, and burners for safe operation.

Lubrication and Motor Cleaning

Notes that motors are prelubricated but require periodic cleaning and air filters must be kept clean.

Troubleshooting and Wiring Diagrams

Directs users to troubleshooting charts and wiring diagrams for diagnosing issues.

TROUBLESHOOTING FLOWCHART

IFC Troubleshooting Guide

Provides a step-by-step flowchart for diagnosing issues with the Integrated Furnace Control (IFC).

Troubleshooting Key and Warnings

Explains abbreviations used in the flowchart and emphasizes safety precautions before troubleshooting.

ELECTRICAL WIRING DIAGRAM

UT Electronic Controls Wiring

Details the wiring connections for UT Electronic Controls 1028-928 with direct spark ignition.

ELECTRICAL WIRING DIAGRAM

UT Electronic Controls Wiring

Details wiring connections for UT Electronic Controls 1027-200 with direct spark ignition and LED codes.