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2
Contents
Unit Features .................................................. 2
Installation Instructions ..................................... 5
Wiring ........................................................... 7
Operating Instructions....................................... 8
Maintenance and Cleaning................................ 12
Obtaining Service........................................... 14
Normal Operating Sounds and Conditions ............. 14
Configuration Settings ..................................... 14
Configuration Chart ........................................ 15
Diagnostic Maintenance & Status Report .............. 16
Diagnostic Codes............................................ 17
UNIT FEATURES
This unit has many features which are different than those found
on conventional PTAC units. The servicer must be familiar with
these features in order to properly service the unit.
• LCDI or AFCI Power Cords - Underwriters Laboratories
and the National Electric Code (NEC) now require power
cords that sense current leakage and can open the elec-
trical circuit to the unit on units rated at 250 volts or
less. In the event that unit does not operate, check the
reset button located on or near the head of the power
cord as part of the normal troubleshooting procedure.
LCDI power Cord
• Automatic 3-minute compressor lockout - After the com-
pressor cycles off, it will not restart for three minutes.
• Automatic 2
nd
stage electric heat - If the room tempera-
ture falls to 4°F below the set point temperature, the
reverse cycle heat is shut off and the electric strip heat is
turned on.
IMPORTANT NOTE TO THE OWNER
This manual is to be used by qualified, professionally trained
HVAC technicians only. Goodman does not assume any respon-
sibility for property damage or personal injury for improper
service procedures or services performed by an unqualified
person.
IMPORTANT NOTES:
Your warranty certificate is also supplied with the unit.
Read the warranty carefully and note what is covered.
Keep the warranty certificate in a safe place, so you can
find it, if necessary.
Before using this manual, check the serial plate for
proper model identification.
THE INSTALLATION AND SERVICING OF THIS EQUIPMENT
MUST BE PERFORMED BY QUALIFIED, EXPERIENCED TECH-
NICIANS ONLY.
Due to policy of continual product improvement, the
right is reserved to change specifications and design
without notice.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
WARNING
G
OODMAN WILL NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY
DAMAGE ARISING FROM IMPROPER SERVICE OR SERVICE PROCEDURES.
I
F YOU INSTALL OR PERFORM SERVICE ON THIS UNIT, YOU ASSUME
RESPONSIBILITY FOR ANY PERSONAL INJURY OR PROPERTY DAMAGE WHICH
MAY RESULT.
M
ANY JURISDICTIONS REQUIRE A LICENSE TO INSTALL OR
SERVICE HEATING AND AIR CONDITIONING EQUIPMENT.
IMPORTANT NOTE TO THE SERVICER
Read this manual and familiarize yourself with the specific 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
conflict between existing practices and the content of this
manual, the precautions listed here take precedence.
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