Rheem RH1T4821STANJA User Manual

WARNING
sWARNING
!
These instructions are intended as an aid to qualified licensed
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, property damage, personal injury or death.
AIR HANDLERS
FEATURING INDUSTRY STANDARD R-410A REFRIGERANT:
(-)H1P Standard Efficiency with Aluminum Coil
(-)H1T High Efficiency with Aluminum Coil
INSTALLATION INSTRUCTIONS
92-20521-110-00
(BASED ON 92-20521-66-09)

Rheem RH1T4821STANJA Specifications

General

Brand	Rheem
Model	RH1T4821STANJA
Category	Air Handlers
Language	English

Summary

Safety Information

General Safety Warnings

Critical warnings covering electrical hazards, duct leaks, and installation risks.

Proposition 65 and Health Precautions

Information on fiberglass insulation, carbon monoxide, and other potential health concerns.

Installation Importance

Proper Unit Match-Up

Quality Installation Practices

Criticality of following manuals, codes, and proper charging for reliable operation.

Installation Procedures

Tools and Refrigerant Requirements

Required tools and R-410A refrigerant specifications for installation.

Applications and Orientation Guidelines

Refrigerant Line Connections and Charging

Electrical and Control Wiring

Thermostat and Electrical Wiring

Thermostat mounting, control wiring, and electrical configuration for different voltages.

Electrical Data with Electric Heat (-H1P)

Electrical Data with Electric Heat (-H1T)

Electric Heater Kit Supplemental Information

Start-Up Procedures

Pre-Start Checklist

System Start-Up and Operational Check-Out

Procedures for verifying system operation, controls, airflow, and charge.

Checking Indoor Air-Flow and Refrigerant Charge

Maintenance Procedures

Blower Motor and Wheel Replacement

Troubleshooting

Common Blower and Coil Issues

Lists common issues like motor not operating, vibration, and frozen coils with possible causes.

Airflow and TXV Problems

Wiring Diagrams

H1P - 115V Wiring Diagram

H1P – 208/240V Wiring Diagram

H1P – 480V Wiring Diagram

H1T – 115V Wiring Diagram

H1T – 208/240V Wiring Diagram

H1T – 480V Wiring Diagram