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Important Note to the Owner
This manual is to be used by qualied, professionally
trained HVAC technicians only. Goodman does not assume
any responsibility for property damage or personal injury
for improper service procedures or services performed by
an unqualied person.
IMPORTANT NOTES:
Your warranty certicate is also supplied with the unit.
Read the warranty carefully and note what is covered.
Keep the warranty certicate in a safe place, so you
can nd it, if necessary.
Before using this manual, check the serial plate for
proper model identication.
THE INSTALLATION AND SERVICING OF THIS
EQUIPMENT MUST BE PERFORMED BY
QUALIFIED, EXPERIENCED TECHNICIANS ONLY.
Due to policy of continual product improvement, the
right is reserved to change specications and design
without notice.
Remember, it is your responsibility to install the product
safely and to know it well enough to be able to instruct a
customer in its safe use.
Safety is a matter of common sense...a matter of thinking
before acting. Most dealers have a list of specic good
safety practices...follow them.
The precautions listed in this Installation Manual are
intended as supplemental to existing practices. However,
if there is a direct conict between existing practices and
the content of this manual, the precautions listed here take
precedence.
Important Note to the Servicer
Read this manual and familiarize yourself with the specic
items which must be adhered to before attempting to
service this unit. The precautions listed in this Installation
Manual are intended as supplemental to existing practices.
However, if there is a direct conict between existing
practices and the content of this manual, the precautions
listed here take precedence.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
WARNING
HIGH VOLTAGE
DISCONNECT ALL POWER BEFORE SERVICING
OR INSTALLING THIS UNIT. MULTIPLE POWER
SOURCES MAY BE PRESENT. FAILURE TO DO SO
MAY CAUSE PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
Contents
Electrical Data ....................................................................2
Supply Air Flow Data...........................................................3
Control.................................................................................3
VTAC Required Minimum Clearances.................................3
Installation Overview and Dimensional Data ......................4
Closet View..........................................................................4
Exterior Wall Adapter Installation.........................................5
Louver Installation................................................................6
Final Wall Adapter and Architectural Louver Installation.....7
Primary Drain Connection and Location..............................8
Indoor Return Air Grille and Ductwork Installation.............12
Ductwork............................................................................12
Chassis Installation............................................................12
Remote Thermostat and Low Voltage Control
Connection........................................................................13
Final Installation Checklist.................................................14
Chassis Operation.............................................................14
Chassis Final Connections................................................14
Service & Warranty............................................................14
Routine Maintenance.........................................................15
Warranty............................................................................15
Electronic Control Error Code Diagnostics and
Test Mode..........................................................................15
ERROR CODES AND ALARM STATUS............................16
Obtaining Service...............................................................20
Drain Pan Installation AVH18 & AVH24...............................8
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