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Rheem R801TA125524MSA User Manual

Rheem R801TA125524MSA
52 pages
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ISO 9001:2008
INSTALLATION INSTRUCTIONS
FOR UPFLOW/HORIZONTAL SINGLE STAGE GAS
FURNACES WITH CONSTANT-TORQUE AIR CIRCULATION
BLOWER
(-)801T UPFLOW/HORIZONTAL SERIES
(-)(-)80MSX 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.
Factory Use Only
ST-A1220-01-X0
92-24161-144-01
SUPERSEDES 92-24161-144-00

Table of Contents

Questions and Answers:

Rheem R801TA125524MSA Specifications

General IconGeneral
ConfigurationUpflow/Horizontal
Input BTU125, 000
AFUE80%
Model NumberR801TA125524MSA
Fuel TypeNatural Gas
Efficiency80% AFUE
Blower Motor TypePSC
Blower SpeedMulti-Speed
Weight160 lbs
Ignition TypeDirect Spark Ignition

Summary

Installation Checklist

Safety Information

Duct Leakage and Pollutant Migration

Hazards of duct leaks drawing pollutants like fumes and odors into living spaces.

Location Requirements

Clearance and Accessibility

Requirements for maintaining safe clearances around the furnace for operation and service.

Combustible Floor Installation

Warnings about installing furnaces on combustible floors, especially carpeting.

Clearance to Combustible Material

Table detailing required clearances to combustible materials for different furnace models.

Combustion and Ventilation Air

Combustion Air Requirements

Essential information on ensuring sufficient fresh air for proper combustion.

Furnace in Confined Space

Specific air requirements when the furnace is installed in a confined area like a closet.

Confined Space Air Requirements

Detailed tables specifying required free area for combustion air openings in confined spaces.

Venting

"B-1" Vertical Venting

Specific requirements for vertical venting using Type "B-1" vent pipe.

Gas Supply

Gas Piping Installation

Detailed instructions for installing the gas piping, including valves, unions, and drip legs.

Gas Pressure and Manifold Pressure

Requirements for supply and manifold gas pressures for proper furnace operation.

Setting Gas Pressure

Step-by-step instructions for measuring and setting supply and manifold gas pressures.

Electrical Wiring

High Altitude Adjustments

Start-Up Procedures

Fault Codes and Diagnostics

Lockout Conditions

Adjusting Furnace Input

Airflow and Temperature Rise

Safety Features

Diagnostics and Troubleshooting

Wiring Diagram

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