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Rheem RKKL Series User Manual

Rheem RKKL Series
56 pages
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92-23577-105-01
SUPERSEDES 92-23577-105-00
INSTALLATION INSTRUCTIONS
FOR COMBINATION HEATING AND COOLING ROOFTOP UNITS
RKKL- SERIES 7.5, 10 AND 12.5 TON [26.4, 35.2 AND 44.0 kW]
ISO 9001:2008
Featuring Industry
Standard R-410A
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Rheem RKKL Series Specifications

General IconGeneral
RefrigerantR410A
SeriesRKKL Series
TypeSplit System Air Conditioner
Power Supply208-230V/60Hz/1Ph
Dimensions (Outdoor Unit)Varies by model
Weight (Outdoor Unit)Varies by model
Indoor Unit TypeWall-mounted

Summary

Safety Information

General Safety Warnings

Provides critical warnings regarding unit operation, electrical hazards, gas leaks, and potential damage or injury.

Specifications

General Specifications

Details general information about the rooftop units, including heating input and cooling capacities.

Major Components

Lists the main components included in the typical rooftop unit.

R-410A Refrigerant

Covers specifications, application, pressure, and combustibility of R-410A refrigerant.

Unit Dimensions

Presents detailed cabinet dimensions and access locations for the unit.

Installation

General Installation Requirements

Outlines general installation standards, codes, and recommended publications.

Location Considerations

Discusses factors for selecting unit location, including environmental conditions and potential corrosion.

Outside Installation

Provides guidance for installing units outdoors, including slab installation and clearance requirements.

Attaching Exhaust and Combustion Air Inlet Hoods

Details the procedure for attaching the exhaust and combustion air inlet hoods.

Cover Panel Installation/Conversion Procedure

Explains how to install or convert cover panels for downflow applications.

Filter Replacement

Provides instructions for filter replacement, including recommended suppliers.

Clearances

Specifies minimum required clearances for proper unit performance and serviceability.

Rooftop Installation

Addresses considerations for rooftop installation, including structural support and rigging.

Ducting

Guidance on fabricating ductwork in accordance with local codes and industry standards.

Return Air

Details requirements for return air ductwork to prevent combustion products from entering the living space.

Gas Supply, Condensate Drain and Piping

Gas Connection

Instructions for connecting the gas supply piping in accordance with codes and standards.

LP Conversion

Procedure and warnings for converting the unit from natural gas to LP gas.

Adjusting or Checking Furnace Input

Guidance on checking and adjusting furnace input, including pressure settings and altitude derating.

Condensate Drain

Instructions for installing the condensate drain, including trap requirements and piping.

Wiring

Power Supply

Details power supply requirements, including voltage, wire size, and circuit protection.

Hook-Up

Instructions for wiring the unit, including connections to external devices.

Internal Wiring

Information on the unit's internal wiring diagram and replacement wire specifications.

Thermostat

Guidance on thermostat compatibility and low voltage wiring.

Furnace Section Controls and Ignition System

Normal Furnace Operating Sequence

Describes the sequence of operations for the furnace's two-stage ignition control.

Normal Heat Mode Operation

Details the operating sequences for first and second stage heat calls.

Operating Instructions

Provides step-by-step instructions for starting and operating the furnace.

System Operating Information

Advise the Customer

Recommendations for the customer regarding unit operation and maintenance.

Furnace Section Maintenance

Procedures for annual inspection and cleaning of the furnace section components.

Cooling Section Maintenance

Guidance on inspecting and cleaning the evaporator coil and condenser section.

Troubleshooting and Service

Replacement Parts

Information on how to obtain replacement parts for the unit.

Troubleshooting Guide

Provides a chart to diagnose and resolve cooling system issues.

Wiring Diagrams

References to complete wiring diagrams for the unit and its power sources.

Charging Information

Guides on proper refrigerant charging procedures using system charge charts.

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