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Rheem 802V SERIES

Rheem 802V SERIES
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ISO 9001:2008
INSTALLATION INSTRUCTIONS
FOR UPFLOW/HORIZONTAL TWO STAGE, COMMUNICATING
GAS FURNACES W/ECM BLOWER
(-)802V UPFLOW/HORIZONTAL SERIES
(-)(-)80MDV UPFLOW/HORIZONTAL SERIES
U.L. and/or C.S.A. recognized fuel gas and CO (carbon monoxide) detectors are rec-
ommended in all applications, and their installation should be in accordance with the
manufacturer’s recommendations and/or local laws, rules, regulations, or customs.
92-24161-148-03
SUPERSEDES 92-24161-148-02
ST-A1220-01-X0

Table of Contents

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Rheem 802V SERIES Specifications

General IconGeneral
BrandRheem
Model802V SERIES
CategoryFurnace
LanguageEnglish

Summary

SAFETY INFORMATION

COMBUSTION AND VENTILATION AIR

COMBUSTION AIR REQUIREMENTS

Details required air for combustion and ventilation, addressing confined vs. unconfined spaces.

OVERTEMPERATURE SAFETY SWITCHES

Explains safety switches designed to prevent over-temperature conditions.

GAS SUPPLY AND PIPING

GAS SUPPLY

Important safety information regarding natural and propane gas, leak detection, and fuel types.

GAS PIPING

Instructions for installing gas piping, including codes, sizing, and connection requirements.

ELECTRICAL WIRING

ELECTRICAL CONNECTIONS

Guidance on making field electrical connections, including circuit protection and wiring practices.

START-UP PROCEDURES

INTEGRATED FURNACE CONTROL

DIPSWITCHES

Detailed explanation of dipswitch settings for various furnace operational parameters.

TIMING DIAGRAM, FIELD SELECTIONS & ADJUSTMENTS

ADJUSTING OR CHECKING FURNACE INPUT

Procedure for verifying and adjusting the furnace's gas input rate for correct operation.

SETTING INPUT RATE

Guidance on determining and setting the correct input rate based on heating value and meter time.

AIRFLOW

TEMPERATURE RISE CHECK

Procedure for measuring and verifying the furnace's temperature rise for correct airflow.

DIAGNOSTICS

FAULT CODES

Comprehensive list of fault codes with descriptions, causes, and solutions for troubleshooting.

LOCKOUT AND REPLACING THE FURNACE CONTROL

Explanation of lockout conditions and procedures for replacing the furnace control unit.

DIAGNOSING BLOWER MOTOR ISSUES

Troubleshooting steps for diagnosing blower motor power and communication problems.

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