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CONDENSING UNIT
Air Conditioning
Installation & Service Reference
IMPORTANT SAFETY INSTRUCTIONS
The following symbols and labels are used throughout
this manual to indicate immediate or potential safety
hazards. It is the owner's and installer's responsibility to
read and comply with all safety information and instructions
accompanying these symbols. Failure to heed safety
information increases the risk of personal injury, property
damage, and/or product damage.
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.
Only personnel that have been trained to install,
adjust, service or repair(hereinafter, "service")
the equipment specified in this manual should
service the equipment. The manufacturer will
not be responsible for any injury or property
damage arising from improper service or service
procedures. If you service this unit, you assume
responsibility for any injury or property damage
which may result. In addition, in jurisdictions
that require one or more licenses to service the
equipment specified in this manual, only licensed
personnel should service the equipment.
Improper 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.
SHIPPING INSPECTION
Always keep the unit upright; laying the unit on its side
or top may cause equipment damage. Shipping damage,
and subsequent investigation is the responsibility of
the carrier. Verify the model number, specifications,
electrical characteristics, and accessories are correct
prior to installation. The distributor or manufacturer will not
accept claims from dealers for transportation damage or
installation of incorrectly shipped units.
is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.
WARNING
WARNING
Goodman Manufacturing Company, L.P.
19001 Kermier Rd. Waller, Tx 77484
www.goodmanmfg.com -or- www.amana-hac.com
CODES & REGULATIONS
This product is designed and manufactured to comply
with national codes. Installation in accordance with such
codes and/or prevailing local codes/regulations is the
responsibility of the installer. The manufacturer assumes
no responsibility for equipment installed in violation of any
codes or regulations. Rated performance is achieved after
20 hours of operation.
Rated performance is delivered at the specified airflow.
See outdoor unit specification sheet for split system models
or product specification sheet for packaged and light
commercial models. Specification sheets can be found at
www.goodmanmfg.com for Goodman® brand products or
www.amana-hac.com for Amana® brand products. Within
either website, please select the residential or commercial
products menu and then select the submenu for the type
of product to be installed, such as air conditioners or heat
pumps, to access a list of product pages that each contain
links to that model's specification sheet.
The United States Environmental Protection Agency
(EPA) has issued various regulations regarding the
introduction and disposal of refrigerants. Failure to
follow these regulations may harm the environment
and can lead to the imposition of substantial fines.
Should you have any questions please contact the local
office of the EPA.
If replacing a condensing unit or air handler, the system
must be manufacturer approved and Air Conditioning,
Heating and Refrigeration Institute (AHRI) matched.
NOTE: Installation of unmatched systems is
strongly discouraged.
Outdoor units are approved for operation above 55°F in
cooling mode. Operation below 55°F requires the use of
an approved low ambient kit. Note: LAKT01 Low ambient
kit cannot be used with outdoor units containing ECM
motors.
Damage to the unit caused by operating the unit in a
structure that is not complete (either as part of new
construction or renovation) is not covered under the
warranty.
© 2005-2013, 2016-2021
P/N: IO-258W
Date: July 2021

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Summary of Contents for Goodman GSZ140311

  • Page 1 High Voltage! commercial models. Specification sheets can be found at Disconnect all power before servicing www.goodmanmfg.com for Goodman® brand products or or installing this unit. Multiple power www.amana-hac.com for Amana® brand products. Within sources may be present. Failure to do...
  • Page 2: Installation Clearances

    INSTALLATION CLEARANCES ROOFTOP INSTALLATIONS Special consideration must be given to location of the If it is necessary to install this unit on a roof structure, condensing unit(s) in regard to structures, obstructions, ensure the roof structure can support the weight and that other units, and any/all other factors that may interfere with proper consideration is given to the weather-tight integrity air circulation.
  • Page 3: Refrigerant Lines

    RECOMMENDED INTERCONNECTING TUBING (Ft) WARNING Cond 0-24 25-49 50-79* Line Diameter (In. OD) Unit To avoid possible explosion, use only returnable Tons Suct Suct Suct (not disposable) service cylinders when removing refrigerant from a system. 1 1/2 • Ensure the cylinder is free of damage which could lead to a leak or explosion.
  • Page 4 NOTE: If using existing indoor coil and changing 4. Ensure the filter drier paint finish is intact after refrigerant types, ensure the indoor coil and brazing. If the paint of the steel filter drier has metering device are compatible with the type been burned or chipped, repaint or treat with a rust of refrigerant being used.
  • Page 5: Electrical Connections

    1. Connect the vacuum pump, micron gauge, and vacuum rated hoses to both service valves. WARNING Evacuation must use both service valves to eliminate system mechanical seals. To avoid possible explosion, the line from the 2. Evacuate the system to less than 500 microns. nitrogen cylinder must include a pressure regulator and a pressure relief valve.
  • Page 6: Overcurrent Protection

    High Voltage Connections Route power supply and ground wires through the high NOTICE voltage port and terminate in accordance with the wiring diagram provided inside the control panel cover. Units with rotary or reciprocating compressors and non-bleed TXV’s require a Hard Start Kit. Low Voltage Connections Condensing unit control wiring requires 24 Volt minimum, The condensing unit rating plate lists pertinent electrical...
  • Page 7: Charge Verification

    Adequate refrigerant charge for the matching HSVTC evaporator coil and 15 feet of lineset is supplied with CAUTION the condensing unit. If using evaporator coils other than HSVTC coil, it may be necessary to add or remove Use refrigerant certified to AHRI standards. Used refrigerant may cause compressor damage.
  • Page 8 Fixed Orifice CAUTION To prevent personal injury, carefully connect and disconnect manifold gauge hoses. Escaping liquid refrigerant can cause burns. Do not vent refrigerant into the atmosphere. Recover all refrigerant during system repair and before final unit disposal. 1. Purge gauge lines. Connect service gauge manifold to base-valve service ports.
  • Page 9 SATURATED SUCTION PRESSURE SATURATED LIQUID PRESSURE TEMPERATURE CHART TEMPERATURE CHART SATURATED SUCTION SATURATED LIQUID SUCTION PRESSURE LIQUID PRESSURE TEMPERATURE ºF TEMPERATURE ºF PSIG R-22 R-410A PSIG R-22 R-410A NOTE: Specifications And Performance Data Listed Herein Are Subject To Change Without Notice.
  • Page 10: Expansion Valve System

    EXPANSION VALVE SYSTEM ADVANCED ADJUSTMENT RECOMMENDATIONS NOTE: Units matched with indoor coils equipped with a TXV should be charged by Subcooling only. NOTE: Units matched with indoor coils equipped with a TXV should be charged by Subcooling only. SUBCOOLING FORMULA = SATURATED LIQUID LINE TEMPERATURE –...
  • Page 11: Troubleshooting Information

    TROUBLESHOOTING INFORMATION System Unsatisfactory Complaint No Cooling Operating Cooling Pressures POSSIBLE CAUSE Test Method DOTS IN ANALYSIS Remedy GUIDE INDICATE "POSSIBLE CAUSE" Power Failure • Test Voltage Blown Fuse • • • Impact Fuse Size & Type Loose Connection • •...
  • Page 12: Split Systems

    SPLIT SYSTEMS AIR CONDITIONING AND HEAT PUMP homeowner’s Routine Maintenance Recommendations We strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualified servicer. Replace or Clean Filter Clean Outside Coil (Qualified Servicer Only) IMPORTANT NOTE: Never operate unit without a filter installed as dust and lint will build up on WARNING...
  • Page 13: Start-Up Checklist

    START-UP CHECKLIST Condenser / Heat Pump (including all Inverter) Model Number Serial Number ELECTRICAL (Outdoor Unit) Line Voltage (Measure L1 and L2 Voltage) L1 - L2 Secondary Voltage (Measure Transformer Output Voltage) NOT ALL MODELS R - C Compressor Amps Condenser Fan Amps TEMPERATURES (Indoor Unit) Return Air Temperature (Dry bulb / Wet bulb)
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  • Page 16 • Parts • Financing Options 19001 Kermier Rd. Waller, Tx 77484 www.goodmanmfg.com -or- www.amana-hac.com © 2005-2013, 2016-2021 Goodman Manufacturing Company, L.P. is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.

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