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CONDENSING UNIT

Air Conditioning 

Installation & Service Reference

 is a registered trademark of Maytag Corporation or its related 

companies and is used under license. All rights reserved.

© 2021-2022  

Daikin Comfort Technologies Manufacturing, L.P. 

19001 Kermier Rd. Waller, TX 77484

www.goodmanmfg.com -or- www.amana-hac.com

P/N: IOG-4036B 

Date:  December 2022

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.

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.

ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, 

ADJUST, SERVICE, MAINTENANCE 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, 

MAINTENANCE 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.

WARNING

WARNING

DO NOT BYPASS SAFETY DEVICES

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.  

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.

Summary of Contents for ASXH3 Series

Page 1: ...DO NOT BYPASS SAFETY DEVICES 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 respons...

Page 2: ...on Ensure the foundation is sufficient to support the unit A concrete slab raised above ground level provides a suitable base ROOFTOP INSTALLATIONS If it is necessary to install this unit on a roof st...

Page 3: ...igid wire or straps that would come in contact with the tubing Use an insulated or suspension type hanger Keep both lines separate and always insulate the suction line These sizes are recommended for...

Page 4: ...rmation of copper oxide inside the refrigerant lines The POE oils used in R 410A applications will clean any copper oxide present from the inside of the refrigerant lines and spread it throughout the...

Page 5: ...e system mechanical seals 2 Evacuate the system to less than 500 microns 3 Isolate the pump from the system and hold vacuum for 10 minutes minimum Typically pressure will rise slowly during this perio...

Page 6: ...l panel cover THERMOSTAT SINGLE STAGE HEATING WITH SINGLE STAGE COOLING Single Stage Thermostat with Two Low Voltage Wires to Remote SYSTEM START UP CAUTION POSSIBLE REFRIGERANT LEAK To avoid a possib...

Page 7: ...Superheat adjustments should not be made until indoor ambient conditions have stabilized This could take up to 24 hours depending on indoor temperature and humidity Before checking superheat run the...

Page 8: ...0 13 15 19 23 24 25 6 9 11 15 20 21 23 7 12 17 18 20 8 13 15 16 7 10 11 13 7 8 10 7 8 7 105 110 115 75 80 85 90 95 100 System Superheat Targets for Piston Match ups 1 0 F Indoor Wet Bulb Temperature F...

Page 9: ...D SUCTION PRESSURE TEMPERATURE CHART LIQUID PRESSURE SATURATED LIQUID TEMPERATURE F PSIG R 410A 200 70 210 73 220 76 225 78 235 80 245 83 255 85 265 88 275 90 285 92 295 95 305 97 325 101 355 108 375...

Page 10: ...y ADVANCED ADJUSTMENT RECOMMENDATIONS NOTE Units matched with indoor coils equipped with a TXV should be charged by Subcooling only SUPERHEAT FORMULA SUCTION LINE TEMPERATURE SATURATED SUCTION TEMPERA...

Page 11: ...n Motor Repair or Replace Shorted or Grounded Fan Motor Test Motor Windings Improper Cooling Anticipator Check Resistance of Anticipator Shortage or Refrigerant Test For Leaks Add Refrigerant Restrict...

Page 12: ...is important to keep the outdoor coil clean Dirt leaves or debris could also restrict the airflow If cleaning of the outdoor coil becomes necessary hire a qualified servicer Inexperienced people coul...

Page 13: ...tdoor Unit Suction Circuit Pressure Suction Line Temperature PSIG TEMP F Liquid Circuit Pressure Liquid Temperature PSIG TEMP F Outdoor Air Temperature Dry bulb Wet bulb DB F WB F SUPERHEAT SUBCOOLING...

Page 14: ...14 THIS PAGE IS LEFT INTENTIONALLY BLANK...

Page 15: ...15 THIS PAGE IS LEFT INTENTIONALLY BLANK...

Page 16: ...ration Amana Brand products http www amana hac com product registration You can also scan the QR code on the right for the product brand you purchased to be directed to the Product Registration page N...

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