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Rheem RHSL-HM4821AA User Manual

Rheem RHSL-HM4821AA
40 pages
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92-20521-32-15
SUPERSEDES 92-20521-32-14
WARNING
WARNING
!
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.
ISO 9001:2008
AIR HANDLERS
FEATURING INDUSTRY STANDARD R-410A REFRIGERANT:
RHLL High Efficiency
RHSL Standard Efficiency
INSTALLATION INSTRUCTIONS
refrigerant

Table of Contents

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Rheem RHSL-HM4821AA Specifications

General IconGeneral
ModelRHSL-HM4821AA
TypeAir Handler
Airflow1600 CFM
RefrigerantR-410A
Airflow (CFM)1600
Phase1
Maximum External Static Pressure0.8 in. WC
Blower Motor TypePSC
Width21 inches
Length21 inches
Cooling Capacity4 Ton
Nominal Cooling Capacity48, 000 BTU
Voltage208/230V
Refrigerant Connections3/4" SAE x 7/8" SAE

Summary

Safety Information

General Safety Warnings

Crucial warnings regarding duct leaks, installation, grounding, and electrical safety.

Proposition 65 Warnings and Specific Hazards

Warnings about chemical exposure, electrical shock, and improper operation.

Applications

Electrical Wiring

Power and Control Wiring

Guidelines for connecting the unit to power and control circuits.

Grounding Requirements

Essential instructions for properly grounding the unit to prevent shock.

Electrical Data with Electric Heat (HSL)

Detailed electrical data for units with HSL electric heat kits.

Electrical Data with Electric Heat (HLL)

Detailed electrical data for units with HLL electric heat kits.

Airflow Performance

Airflow Operating Limits

Tables showing minimum and maximum airflow limits for various conditions.

240V Airflow Performance Data (HSL)

Airflow performance data for 240V HSL models with PSC motors.

115/208/480V Airflow Performance Data (HSL)

Airflow performance data for 115/208/480V HSL models with PSC motors.

115/208/240/480V Airflow Performance Data (HLL)

Airflow performance data for 115/208/240/480V HLL models with X-13 motors.

Ductwork

Refrigerant Connections

Refrigerant Line and Bulb Installation

Procedures for connecting refrigerant lines and installing the TEV sensing bulb.

Sequence of Operation

Pre-Start Checklist

Pre-Start Installation Checks

A comprehensive checklist for verifying proper installation before operation.

Maintenance

Accessories-Kits-Parts

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