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Rheem RHLL-HM3617JA User Manual

Rheem RHLL-HM3617JA
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 RHLL-HM3617JA Specifications

General IconGeneral
BrandRheem
ModelRHLL-HM3617JA
CategoryAir Handlers
LanguageEnglish

Summary

Safety Information and Warnings

Disconnecting Power for Safety

Warning about disconnecting all power before installation or servicing to prevent severe injury or death.

Blower Assembly Power Disconnection

Ensuring all disconnect switches are de-energized and locked before removing blower assembly.

Qualified Personnel for Service

Installation, service, and maintenance should be performed by qualified personnel; consumer service limited to filter.

Duct Leaks and Air Quality Hazards

Duct leaks can draw pollutants into living spaces, causing property damage, injury, or death.

Combustible Floor Base Requirement

Required use of RXHB combustible floor base for downflow on combustible flooring to prevent fire.

Electrical Grounding Requirement

Unit must be permanently grounded to prevent electrical shock and potential death.

Circuit Breaker Line Side Hazard

Line side of circuit breaker is energized even when de-energized; contact can cause shock.

Return Ductwork Prohibition

Do not connect return ductwork to other heat-producing devices to prevent fire, CO poisoning, or explosion.

Motor Winding Screw Length Caution

Use only specified screws for motor shell mounting to avoid contacting motor winding.

Air Filter Operation Warning

Do not operate without filters; dust can lodge in ducts and soil surfaces.

Supply Air Plenum/Ductwork Requirements

First 36 inches of supply air plenum/ductwork must be sheet metal; avoid exposing combustible materials.

Carbon Monoxide Poisoning Hazard

Warning about CO poisoning from fuel-burning devices and vehicle exhaust drawn into living spaces.

General Information and Unit Receiving

Efficiency and Indoor Air Quality

Importance of duct system balance and sealing for efficiency, comfort, and indoor air quality.

Electrical Wiring and Data

Power Wiring Guidelines

Details requirements for branch circuits, disconnects, conductors, and connection points.

Control Wiring Connections

Specifies low voltage control wire requirements and separation from power wiring.

Grounding Requirements

Mandates permanent grounding of the unit for electrical shock prevention.

HSL Electric Heat Electrical Data

Detailed electrical data for HSL models with electric heat, including kW, circuit amps, and protection.

HLL Electric Heat Electrical Data

Detailed electrical data for HLL models with electric heat, including kW, circuit amps, and protection.

Airflow Performance Data

Airflow Operating Limits

Table of operating limits for cooling and electric heating based on cabinet size and CFM.

Air Filter and Sequence of Operation

Calculations and Pre-Start Checks

Pre-Start Checklist

A checklist of essential steps to verify before starting the unit for the first time.

Maintenance Procedures

Blower Assembly Removal and Replacement

Step-by-step instructions for removing and replacing the blower assembly.

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