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Amana AVZC180241 Series User Manual

Amana AVZC180241 Series
88 pages
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This manual is to be used by qualified, professionally trained HVAC technicians only. The manufacturer does not assume any
responsibility for property damage or personal injury due to improper service procedures or services performed by an unqualified person.
© 2016-2017, 2019 Goodman Manufacturing Company, L.P.
RS6215001r4
April 2019
AVZC18 Inverter Heat Pump Condenser Units
with R-410A Refrigerant Blowers, Coils, and Accessories
Service Instructions
for
®
Brand
is a registered trademark of Maytag Corporation or its related companies and is
used under license to Goodman Company, L.P., Houston, TX, USA. All rights reserved.
O
NLY
PERSONNEL
THAT
HAVE
BEEN
TRAINED
TO
INSTALL
,
ADJUST
,
SERVICE
OR
REPAIR
(
HEREINAFTER
,
SERVICE
)
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
SHOULD
SERVICE
THE
EQUIPMENT
. T
HE
MANUFACTURER
WILL
NOT
BE
RESPONSIBLE
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
ARISING
FROM
IMPROPER
SERVICE
OR
SERVICE
PROCEDURES
. I
F
YOU
SERVICE
THIS
UNIT
,
YOU
ASSUME
RESPONSIBILITY
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
WHICH
MAY
RESULT
. I
N
ADDITION
,
IN
JURISDICTIONS
THAT
REQUIRE
ONE
OR
MORE
LICENSES
TO
SERVICE
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
,
ONLY
LICENSED
PERSONNEL
SHOULD
SERVICE
THE
EQUIPMENT
. I
MPROPER
INSTALLATION
,
ADJUSTMENT
,
SERVICING
OR
REPAIR
OF
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
,
OR
ATTEMPTING
TO
INSTALL
,
ADJUST
,
SERVICE
OR
REPAIR
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
WITHOUT
PROPER
TRAINING
MAY
RESULT
IN
PRODUCT
DAMAGE
,
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
.
Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
0140M00517-A

Table of Contents

Questions and Answers:

Amana AVZC180241 Series Specifications

General IconGeneral
TypeHeat Pump
Cooling Capacity (BTU)24000
Heating Capacity (BTU)24000
SEER Rating18
RefrigerantR-410A
Voltage208/230
Phase1

Summary

IMPORTANT INFORMATION

IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS

Provides critical warnings and advice for consumers and service personnel.

REPLACING THE BOARD

Uninstall the electrical board

Step-by-step guide for safely removing the main electrical board from the unit.

Install the electrical board

Procedures for installing a new electrical board, including grease application and connections.

SYSTEM OPERATION

BOOST MODE

TROUBLESHOOTING

HEATING ANALYSIS CHART

A chart listing possible causes and their correlation with heating performance issues.

COOLING ANALYSIS CHART

A chart detailing causes and indicators for cooling performance problems.

OUTDOOR UNIT ERROR CODES

Details outdoor unit error codes, their probable causes, and corrective actions.

SERVICING

SET THERMOSTAT TO CHARGE MODE

Instructions to set the thermostat to charge mode for system charging operations.

CHARGE MODE

Procedures to initiate, run, and terminate the system's charge mode.

SET THERMOSTAT TO ADJUST MAXIMUM COMPRESSOR SPEED

Guide to adjusting the maximum compressor speed using the thermostat settings.

SET THERMOSTAT TO ADJUST INDOOR AIR CFM TRIM

Instructions for adjusting the indoor airflow trim settings via the thermostat.

SET THERMOSTAT TO ADJUST INDOOR AIRFLOW PROFILE, COOL/HEAT ON DELAY AND COOL/HEAT OFF DELAY DEFROST

Guide to setting airflow profiles, ON/OFF delays for cooling and heating, and defrost.

SET THERMOSTAT TO FORCE DEFROST CYCLE

Procedure to manually initiate a defrost cycle using the thermostat controls.

SET THERMOSTAT TO PUMP DOWN

Instructions for initiating the pump down operation to recover refrigerant to the outdoor unit.

PUMP DOWN

Steps to initiate, run, and terminate the pump down operation for refrigerant recovery.

SET 7-SEGMENT MODE DISPLAY TO PUMP DOWN

Configuring the 7-segment display to initiate pump down operation.

SET THERMOSTAT TO CHECK SYSTEM STATUS

Procedure to view current system status, modes, and sensor readings via the thermostat.

S-17 CHECKING COMPRESSOR

Safety warnings and procedures for checking compressor windings and insulation resistance.

S-100 REFRIGERATION REPAIR PRACTICE

General practices and safety precautions for repairing refrigeration systems.

S-101 LEAK TESTING (NITROGEN OR NITROGEN-TRACED)

Methods and safety for leak testing refrigeration systems using nitrogen.

EVACUATION

Detailed steps for achieving and verifying system vacuum levels.

S-104 CHECKING COMPRESSOR EFFICIENCY

How to diagnose compressor inefficiency by checking operating parameters.

S-115 COMPRESSOR BURNOUT

Procedures for diagnosing compressor burnout and cleaning the system.

TROUBLESHOOTING-INDOOR UNIT

General troubleshooting for the indoor unit, including PCB layout and auxiliary alarms.

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS

Safety procedures to prevent damage to electronic components from static discharge.

DIAGNOSTIC CODES

A table listing diagnostic codes displayed on the 7-segment LED and their corresponding error messages.

INDOOR UNIT ERROR CODES

Table detailing indoor unit error codes, their probable causes, and corrective actions.

TROUBLESHOOTING-OUTDOOR UNIT

Overview of advanced user menus for outdoor unit diagnostics and status monitoring.

S-17A RESISTANCE TEST

Detailed steps for performing resistance tests on the compressor windings.

S-102 EVACUATION

Procedure for evacuating the system to remove air and moisture using a vacuum pump.

S-103 CHARGING

Procedure for charging the system with the correct amount of refrigerant.

S-109 CHECKING SUBCOOLING

Procedure for measuring and adjusting subcooling for optimal system performance.

S-17B GROUND TEST

Procedure to test for electrical ground faults on the compressor and associated wiring.

THERMOSTAT MENU SCREEN

SYSTEM START-UP TEST

Procedure to run an initial system test for equipment setup and functionality.

THERMISTOR RESISTANCE AND TEMPERATURE CHARACTERISTICS

PRESSURE vs TEMPERATURE CHART

LIQUID LINE TEMPERATURE CHART

WIRING DIAGRAM

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