Rheem 80PS05EAR 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 80PS05EAR Specifications

General

Brand	Rheem
Model	80PS05EAR
Category	Furnace
Language	English

Summary

Safety Information

General Information

Location Requirements and Considerations

Guidelines for selecting and preparing the installation site for furnaces.

Clearance - Accessibility

Site Selection

Criteria for choosing the furnace's installation location.

Ducting

Proper airflow and duct system design requirements for furnace operation.

Combustion and Ventilation Air

Combustion Air Requirements

Details on air requirements for combustion and ventilation.

Venting

General Information

General requirements for venting the furnace according to codes.

Furnace Category Information

Classification of the furnace regarding draft and vent gas temperature.

Important Application Notes

Key considerations for replacing existing vent systems with this furnace.

"B-1" Vertical Venting

Vertical Vent Systems

Specific instructions for installing vertical venting systems.

Special Vent Systems (SVS)

Information regarding specific special vent systems.

Power Vent Systems

Existing Vent Systems Important Retrofit Venting Instructions

Gas Supply and Piping

Gas Supply

Important warnings and information regarding gas supply.

Gas Piping (See Figure 14)

Instructions for installing gas piping, including codes and connections.

Gas Pressure

LP Conversion

NOx Models

Setting Gas Pressure

Adjusting or Checking Furnace Input

Electrical Wiring

Electrical Connections

Requirements for grounding and wiring connections to the furnace.

Thermostat

Field Installed Option Accessories

Furnace Twinning Installations

80+ High Altitude Instructions (Table 8)

Orifice Ordering Information

How to order replacement orifices for altitude adjustments.

Alternate Method for Canadian High-Altitude Derate

Alternative derating method for Canadian installations based on manifold pressure.

Supplemental Orifice Size Chart

Start-Up Procedure

Lighting Instructions

Step-by-step guide for lighting the furnace burners.

Integrated Furnace Controls Update

Setting Blower Timings

Gas Furnace (Direct Drive) Instructions for Changing Blower Speed

Air Flow

Temperature Rise Check

Procedure to verify proper airflow by measuring temperature rise.

Lubrication

Maintenance instructions for blower and draft motors.

Blower Performance Data – (-)GLN Downflow Models

Blower Performance Data – (-)GPN Upflow/Horizontal Models

Safety Features

Limit Control

Explanation of the high limit cut-off and its causes.

Flame Roll-Out Safety Switches

Function and reset procedure for flame roll-out safety switches.

Pressure Switch

Function of the pressure switch and reasons for it not closing.

Maintenance

Filters

Information on filter types, placement, and cleaning for optimal performance.

System Operation Information

Annual Inspection

Recommended annual checks for furnace components and safety.

NOx Models

Troubleshooting

Wiring Diagram

Troubleshooting Flowchart

Electrical Wiring Diagram