Rheem A180CL25E User Manual

92-23577-56-01
SUPERSEDES 92-23577-56-00
INSTALLATION INSTRUCTIONS
FOR COMBINATION HEATING
AND COOLING ROOFTOP UNITS
15, 20 & 25 TON (-)KKB
AND 15 & 20 TON (-)KMB UNITS
!
If the information in these instructions is not followed exactly, a
fire or explosion may result, causing property damage, personal
injury or death.
THESE INSTRUCTIONS ARE
INTENDED AS AN AID TO
QUALIFIED 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, CARBON
MONOXIDE POISONING,
EXPLOSION, PROPERTY
DAMAGE, PERSONAL INJURY
OR DEATH.
WARNING
Recognize this symbol as an indication of Important Safety Information!
!
— Do not store or use gasoline or other
flammable vapors and liquids, or other
combustible materials in the vicinity of this
or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
• Do not return to your home until
authorized by the gas supplier or fire
department.
— DO NOT RELY ON SMELL ALONE TO
DETECT LEAKS. DUE TO VARIOUS
FACTORS, YOU MAY NOT BE ABLE TO
SMELL FUEL GASES.
• U.L. recognized fuel gas and CO
detectors are recommended in all
applications, and their installation should
be in accordance with the manufacturer’s
recommendations and/or local laws,
rules, regulations, or customs
— Improper installation, adjustment, alteration,
service or maintenance can cause injury,
property damage or death. Refer to this
manual. Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.
WARNING
!
PROPOSITION 65: THIS FURNACE CONTAINS FIBERGLASS
INSULATION. RESPIRABLE PARTICLES OF FIBERGLASS ARE
KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER.
EXHAUST GAS FROM THIS FURNACE CONTAINS CHEMICALS,
INCLUDING CARBON MONOXIDE, KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE BIRTH DEFECTS OR OTHER REPRO-
DUCTIVE HARM.
WARNING
!
FOR YOUR SAFETY
!
DO NOT DESTROY.
PLEASE READ CAREFULLY AND KEEP
IN A SAFE PLACE FOR FUTURE
REFERENCE BY A SERVICEMAN OR
USER OF THIS APPLIANCE.

Rheem A180CL25E Specifications

General

Brand	Rheem
Model	A180CL25E
Category	Air Conditioner
Language	English

Summary

I. SPECIFICATIONS

Unit Dimensions

Shows overall dimensions and mounting requirements for the unit.

Electrical & Physical Data

Provides detailed electrical and physical specifications in tables for various models.

II. INSTALLATION

A. GENERAL

Covers general installation requirements, standards, and safety precautions.

LOCATION CONSIDERATIONS

Discusses factors for choosing an appropriate unit location and environmental exposures.

B. OUTSIDE INSTALLATION

Warns against indoor installation and highlights risks of inadequate performance.

C. ATTACHING EXHAUST AND COMBUSTION AIR INLET HOODS

D. COVER PANEL INSTALLATION/CONVERSION PROCEDURE

E. FILTER REPLACEMENT

E. CLEARANCES

G. ROOFTOP INSTALLATION

H. DUCTING

RETURN AIR

III. GAS SUPPLY, CONDENSATE DRAIN AND PIPING

A. GAS CONNECTION

Covers gas piping installation requirements, safety, and capacity tables.

B. LP CONVERSION

C. ADJUSTING OR CHECKING FURNACE INPUT

D. CONDENSATE DRAIN

IV. WIRING

A. POWER SUPPLY

Covers electrical power supply requirements, safety, and conductor sizing.

B. HOOK-UP

C. INTERNAL WIRING

D. THERMOSTAT

V. FURNACE SECTION CONTROLS AND IGNITION SYSTEM

NORMAL FURNACE OPERATING SEQUENCE

Describes the normal heating operation sequence and control logic.

E. First Stage and Second Stage Called Simultaneously

Heating operation sequence when both stages are called for.

F. First Stage and Second Stage Removed Simultaneously

Heating operation sequence when both stages are removed.

CONTINUOUS FAN MODE

Describes operation when only the fan is called for.

VI. COOLING SECTION OPERATION

COOLING MODE A. Call for first stage cooling

Operation sequence for first stage cooling activation.

B. Call for second stage cooling

Operation sequence for second stage cooling activation.

E. First stage and second stage removed simultaneously

Cooling operation sequence when both stages are removed.

VII. SYSTEM OPERATING INFORMATION

ADVISE THE CUSTOMER

Recommendations for unit owners regarding filters, furniture, and usage.

FURNACE SECTION MAINTENANCE

Procedures for annual inspection and maintenance of the furnace section.

LUBRICATION

COOLING SECTION MAINTENANCE

COOLING TROUBLE SHOOTING CHART

FURNACE TROUBLESHOOTING GUIDE

WIRING DIAGRAM

COMPONENT CODE

List of component codes used in wiring diagrams.

WIRING INFORMATION

Details on wiring standards, wire types, and conduit requirements.

WIRE COLOR CODE

Specifies the color coding for electrical wires.

15 Ton System Charge Chart

20 Ton System Charge Chart

25 Ton System Charge Chart

Limited Warranty - Parts

GENERAL

General terms of the manufacturer's parts warranty.

WARRANTY PERIODS

Specifies warranty durations for heat exchanger, compressor, and other parts.

SHIPPING COSTS

Explains customer responsibility for shipping costs of warranty parts.

SERVICE LABOR RESPONSIBILITY

Clarifies that the warranty does not cover labor expenses.