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Rheem Manufacturing 1x2000 - User Manual

Rheem Manufacturing 1x2000
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92-24161-12-01
SUPERSEDES 92-24161-12-00
INSTALLATION INSTRUCTIONS
FOR UPFLOW/HORIZONTAL ((-)GPK) AND DOWNFLOW
((-)GLK) TWO STAGE 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
!
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Summary

Installation Instructions

Safety Warnings and Precautions

Critical safety warnings covering fire, explosion, and toxic fumes, plus general safety advice.

Installation Checklist

Gas Supply and Electrical Checks

Verification of gas supply, pressure, leaks, and electrical connections, polarity, and grounding.

Venting and Combustion Air Checks

Checklist items for proper vent pipe installation, material, and combustion air supply.

Furnace Installation and Airflow Checks

Checks for clearances, air temperature rise, ducting, and filters.

General Information and Location

Furnace Specifications and Design

Details on furnace features, certification, gas types, and venting requirements.

Location Requirements and Clearances

Guidelines for selecting installation location and maintaining clearances to combustibles.

Site Selection and Airflow Management

Site Selection Criteria

Factors for choosing a furnace location, considering duct systems and proximity.

Return Air Ducting Guidelines

Procedures for connecting return air ducts and preventing hazardous conditions.

Upflow, Downflow, and Horizontal Return Air

Combustion and Ventilation Air Requirements

Air Supply and Chemical Hazards

Importance of adequate air for combustion, ventilation, and risks from chemicals.

Outdoor Air Integration

When outdoor air is required for combustion due to chemical exposure or building type.

Combustion Air in Confined Spaces

Venting Procedures

General Venting Information and Draft Inducer

Codes, limitations, and safety for vent pipe attachment to the draft inducer.

Vertical Venting with B-1 Systems

Existing Vent System Retrofitting

Gas Supply and Piping

Gas Supply and Conversion Safety

Warnings on gas conversion, kit requirements, and connection to utility supply.

Gas Piping Installation Standards

Guidelines for gas piping installation, including valves, drip legs, and unions.

Setting Gas Pressure

LP Gas Conversion and Orifice Sizing

LP Conversion Kit and Orifice Sizing

Information on LP conversion kits and selecting correct orifice sizes for LP gas.

Electrical Wiring and Thermostats

Electrical Connection Safety

Warnings and procedures for safe electrical hookups, grounding, and polarity.

Thermostat Installation and Settings

Guidelines for thermostat installation, compatibility, and heat anticipator settings.

Isolation Relay Installation

When and how to install an isolation relay for specific thermostat types.

Field Installed Options

Field Installed Options

Instructions for adding accessories like air cleaners and humidifiers.

High Altitude Kit Installation

Procedures for installing a kit to adapt the furnace for high-altitude operation.

Furnace Twinning Installations

Single and Two-Stage Twinning

Wiring and setup for connecting two furnaces for common operation.

Direct Spark Ignition and Operation

Starting and Shutting Down the Furnace

Step-by-step safe procedures for starting, operating, and shutting down the furnace.

Thermostat-Controlled Operation Sequences

Sequences for single and two-stage thermostats during heating calls.

Fan Control and Furnace Input Adjustment

Blower Timing and Speed Settings

How to adjust blower off-times and change blower speeds for operation.

Adjusting Furnace Input Pressure

Procedures for checking and adjusting furnace input using gas pressure.

Orifice Sizing Charts for Altitude and Gas Type

Air Flow Performance

Temperature Rise Measurement for Air Flow

Method to check air flow accuracy by measuring temperature rise.

Furnace Safety Features

Limit Control and Over-Temperature Switches

Functions of limit controls and over-temperature switches in preventing damage.

Pressure Switch Operation

How pressure switches detect blocked vents and system faults.

Maintenance Procedures

Filter Cleaning and Maintenance

Instructions for cleaning and maintaining air filters for efficient furnace operation.

System Operation, Inspection, and Troubleshooting

Customer Operation Advice

Guidance for users on proper system operation and environment.

Annual Inspection and Cleaning Recommendations

Recommendations for yearly inspection of flue passageways and burner components.

Troubleshooting and Wiring Diagram References

Pointers to troubleshooting charts and wiring diagrams for issue resolution.

Integrated Furnace Control Troubleshooting

IFC Troubleshooting Flowchart

A diagnostic flowchart for issues related to the Integrated Furnace Control (IFC).

Rheem Manufacturing 1x2000 Specifications

General IconGeneral
BrandRheem Manufacturing
Model1x2000
CategoryFurnace
LanguageEnglish