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Rheem RH1T4821MTANJA - User Manual

Rheem RH1T4821MTANJA
56 pages
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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)
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Rheem RH1T4821MTANJA Specifications

General IconGeneral
ModelRH1T4821MTANJA
TypeAir Handler
Cooling Capacity4 tons
Airflow1600 CFM
RefrigerantR-410A
Voltage208/230V
Phase1
Width21 inches
Depth21 inches
Shipping Weight130 lbs

Summary

Safety Information

Installation

Tools & Refrigerant

Lists required tools and refrigerant specifications for R-410A systems.

Tools Required for Installing and Servicing R-410 A Models

Specific tools needed for R-410A installations.

Refrigerant Line Connections & Charging

Procedures for connecting refrigerant lines and charging the system.

Refrigerant Charging

Steps for charging the system with refrigerant.

Electrical Wiring

General guidelines and code compliance for electrical wiring.

Grounding

Importance and methods for proper unit grounding.

Power Wiring

Information on power wiring requirements and installation.

Electrical Data - With Electric Heat: (-)H1 P

Electrical data for H1P models with electric heat kits.

Electrical Data - With Electric Heat: (-)H1 T

Electrical data for H1T models with electric heat kits.

Electric Heater Kit Supplemental Information

Additional information and considerations for electric heater kits.

Airflow

Introduction to airflow performance data and selection.

General Airflow Operating Limits

Table of airflow limits for various operating conditions.

Selecting Indoor Blower Motor Speed

Instructions for selecting the correct blower motor speed tap.

(-)H1 P Models (PSC Motor)

Speed selection for H1P models with PSC motors.

(-)H1 T Models (Constant Torque ECM Motor)

Speed selection for H1T models with ECM motors.

240 V Airflow Performance Data: (-)H1 P (PSC Motor)

Airflow performance data tables for 240V H1P PSC motor models.

115;208;480 V Airflow Performance Data: (-)H1 P (PSC Motor)

Airflow data for H1P PSC motor models across different voltages.

115;208;240;480 V Airflow Performance Data: (-)H1 T (Constant Torque Motor)

Airflow data for H1T ECM motor models across voltages.

Start-Up

Pre-Start Checklist

A checklist to verify all installation steps before system startup.

System Start-Up and Operational Check-Out

Steps for performing a system startup and operational verification.

Checking Indoor Air-Flow

Methods to check and estimate indoor airflow.

Checking Refrigerant Charge

Procedure for checking refrigerant charge after airflow is confirmed.

Maintenance

Diagnostics

Wiring Diagrams

Wiring Diagram (-)H1 P - 115 V

Wiring diagram for H1P models at 115V.

Wiring Diagram (-)H1 P - 208;240 V

Wiring diagram for H1P models at 208/240V.

Wiring Diagram (-)H1 P - 480 V

Wiring diagram for H1P models at 480V.

Wiring Diagram (-)H1 T - 115 V

Wiring diagram for H1T models at 115V.

Wiring Diagram (-)H1 T - 208;240 V

Wiring diagram for H1T models at 208/240V.

Wiring Diagram (-)H1 T - 480 V

Wiring diagram for H1T models at 480V.

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