Rheem RGPH User Manual

92-23531-70-01
SUPERSEDES 92-23531-70-00
INSTALLATION INSTRUCTIONS
FOR UPFLOW (RGDG & RGDJ), UPFLOW/HORIZONTAL
(RGPH & RGPJ), HORIZONTAL ONLY (RGVH & RGVJ)
AND DOWNFLOW (RGLH & RGLJ) INDUCED DRAFT
GAS FURNACES
!
If the information in these instructions is not followed exactly, a
fire or explosion may result, causing property damage, personal
injury or death.
THESE INSTRUCTIONS ARE
INTENDED AS AN AID TO
QUALIFIED SERVICE
PERSONNEL FOR PROPER
INSTALLATION, ADJUSTMENT
AND OPERATION OF THIS
UNIT. READ THESE
INSTRUCTIONS THOROUGHLY
BEFORE ATTEMPTING
INSTALLATION OR
OPERATION. FAILURE TO
FOLLOW THESE
INSTRUCTIONS MAY RESULT
IN IMPROPER INSTALLATION,
ADJUSTMENT, SERVICE OR
MAINTENANCE, POSSIBLY
RESULTING IN FIRE,
ELECTRICAL SHOCK, CARBON
MONOXIDE POISONING,
EXPLOSION, PROPERTY
DAMAGE, PERSONAL INJURY
OR DEATH.
Do Not Destroy this Manual.
Please read carefully and keep
in a safe place for future
reference by a serviceman.
WARNING
Recognize this symbol as an indication of Important Safety Information!
!
— Do not store or use gasoline or other
flammable vapors and liquids, or other
combustible materials in the vicinity of this
or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
• Do not return to your home until
authorized by the gas supplier or fire
department.
— DO NOT RELY ON SMELL ALONE TO
DETECT LEAKS. DUE TO VARIOUS
FACTORS, YOU MAY NOT BE ABLE TO
SMELL FUEL GASES.
• U.L. recognized fuel gas and CO
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
— Improper installation, adjustment, alteration,
service or maintenance can cause injury,
property damage or death. Refer to this
manual. Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.
WARNING
!
PROPOSITION 65: THIS FURNACE CONTAINS FIBERGLASS
INSULATION. RESPIRABLE PARTICLES OF FIBERGLASS ARE
KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER.
EXHAUST GAS FROM THIS FURNACE CONTAINS CHEMICALS,
INCLUDING CARBON MONOXIDE, KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE BIRTH DEFECTS OR OTHER REPRO-
DUCTIVE HARM.
WARNING
!
FOR YOUR SAFETY
!

Rheem RGPH Specifications

General

Brand	Rheem
Model	RGPH
Category	Furnace
Language	English

Summary

Installation Instructions for Induced Draft Gas Furnaces

General Safety Precautions

General warnings regarding fire, explosion, CO poisoning, and fiberglass hazards.

Specific Safety Guidelines

Specific safety instructions for handling gas, avoiding flammable materials, and emergency procedures.

General Information

Furnace Location Requirements

Mobile Home Installation Prohibition

Strict prohibition against installing furnace in mobile homes due to fire risk.

Clearance and Accessibility

Combustible Floor Installation Requirements

Requirements for installing on combustible floors, including special sub-bases.

Ducting and Air Flow Requirements

Upflow Unit Installation

Upflow Base Plate Requirement

Warning about the necessity of a base plate for rear/side return air ducts.

Downflow Unit Installation

Downflow Combustible Floor Base

Warning about the special base required for downflow units on combustible floors.

Combustion and Ventilation Air

Combustion Air Sufficiency Warning

Critical warning about providing sufficient air to prevent CO poisoning.

Overtemperature Safety Switches

Combustion Air Requirements Details

Combustion Air Code Compliance

Emphasizes compliance with codes for adequate combustion and ventilation air.

Venting

Venting Installation Guidelines

Untested Venting Device Warning

Warning against using untested venting devices not included in design certification.

Draft Inducer Collar Installation

Warning about predrilling holes for the draft inducer collar to prevent cracking.

Existing Vent Systems Retrofit Instructions

Existing Vent System Inspection

Solid Fuel Venting Warning

Warning against connecting to chimneys used for solid fuel appliances.

Gas Supply and Piping

Gas Conversion Safety Warning

Warning about using the correct conversion kit for LP gas to prevent hazards.

Gas Piping Installation Guide

Instructions for installing gas piping according to local codes and utilities.

Gas Pressure

Recommended Gas Pressure Settings

Gas Leak Detection Safety

Warning against using flame for leak detection and recommending proper methods.

LP Conversion

Setting Gas Pressure

Supply Gas Pressure Measurement Procedure

Electrical Wiring

Electrical Safety Precautions

Critical warnings about turning off power, grounding, and protecting components from condensate.

Electrical Connection Procedures

Instructions on grounding, circuit requirements, and disconnect locations.

Thermostat Installation Guide

Start-Up Procedure

Hot Surface Ignition Lighting Procedure

Detailed steps for lighting the furnace using the hot surface ignition system.

Furnace Start-Up Steps

Steps to initiate furnace operation by setting the thermostat and gas control.

Furnace Start-Up Safety Warnings

Critical safety warning about manual lighting and potential explosion hazards.

Furnace Shutdown Procedure

Steps to safely shut down the furnace by setting the thermostat and gas control.

Sequence of Operation (HS Ignition Controls)

Ignition Failure Sequence (HS Ignition)

White Rodgers 50A62-101 Sequence of Operation

White Rodgers Ignition Failure Sequence

Setting Blower Timings

Blower Speed Change Safety

Warning to disconnect power before changing blower speed to prevent electrical shock.

Adjusting Furnace Input Pressure

Air Flow

Air Flow Temperature Rise Check

Procedure to check air flow by measuring the temperature difference between supply and return air.

Safety Features

Limit Control Operation

Overtemperature Safety Switch Function

Pressure Switch Functionality

Maintenance

Maintenance Safety Procedures

Warning to disconnect electrical power before performing any maintenance.

Air Filter Maintenance and Resizing

Instructions for cleaning and resizing air filters for optimal furnace operation.

System Operation Information

Annual Furnace Inspection

Vent Pipe and Heat Exchanger Leak Warning

Warning about toxic fumes entering the home due to vent pipe or heat exchanger leaks.

Troubleshooting Reference