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Goodman GSC13048 - User Manual

Goodman GSC13048
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CONDENSING AC UNIT
SINGLE / THREE PHASE AIR CONDITIONERS
INSTALLATION & SERVICE REFERENCE
© 2010-2011 Goodman Manufacturing Company, L.P.
5151 San Felipe, Suite 500, Houston, TX 77056
www.goodmanmfg.com -or- www.amana-hac.com
P/N: IO-402E Date: December 2011
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. Run system at least 10 min-
utes to allow pressure to stabilize.
2. Temporarily install thermometer on suction (large) line
near suction line service valve with adequate contact and
insulate for best possible reading.
3. Refer to the superheat table provided for proper system
superheat. Add charge to lower superheat or recover
charge to raise superheat.
4. Disconnect manifold set, installation is complete.
Superheat Formula = Suct. Line Temp. - Sat. Suct. Temp.
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 com-
ply 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.
Multiple power sources may be present.
Failure to do so may cause property damage,
personal injury or death.
NOTICE
THIS UNIT IS SHIPPED WITH A NITROGEN/HELIUM
HOLDING CHARGE ONLY. UNIT MUST BE EVACUATED
AND CHARGED PER INSTALLATION INSTRUCTIONS
WITH REFRIGERANT LISTED ON SERIAL RATING PLATE.
NOTICE
UNITS SHIPPED WITH A HOLDING CHARGE ARE
INTENDED FOR COMPONENT REPLACEMENT ONLY ON
EXISTING SYSTEMS, AND NOT INTENDED FOR USE IN
NEW SYSTEMS OR NEWLY CONSTRUCTED HOMES.
NOTICE
UNITS MUST ONLY BE USED AS REPLACEMENT
COMPONENTS FOR PRE-2010 INSTALLED SYSTEMS.
55 57 59 61 63 65 67 69 71
60 10 13 17 20 23 26 29 30 31
65 8 1114161922262729
70 5 8 10 13 15 19 23 24 25
75 ---- ---- 6 9 11 15 20 21 23
80 ---- ---- ---- ---- 7 12 17 18 20
85
---- ---- ---- ---- ---- 8 13 15 16
90 ---- ---- ---- ---- ---- 5 10 11 13
95
---- ---- ---- ---- ---- ---- 5 8 10
100 ---- ---- ---- ---- ---- ---- ---- 5 8
105
---- ---- ---- ---- ---- ---- ---- ---- 5
110 ---- ---- ---- ---- ---- ---- ---- ---- ----
115 ---- ---- ---- ---- ---- ---- ---- ---- ----
Indoor Wet Bulb Temperature, °F
Outdoor
Dry Bulb
Temperature, °F
SYSTEM SUPERHEAT
‡ Approximate charge shown for 15’ of 3/8” liquid line. System charge must be
adjusted per final charge adjustment (Page 7.)
Models
Nominal
Charge
‡
(oz.)
GSC13018 75
GSC13024 77
GSC13030 66
GSC13036 77
GSC13042 95
GSC13048 89
GSC13060 131

Table of Contents

Questions and Answers

  • K
    Kevin HernandezSep 23, 2025
    What to do if Goodman Air Conditioner has too much air across indoor coil?
    • J
      Jordan LinSep 23, 2025
      If there is too much air across the indoor coil of your Goodman Air Conditioner, reduce the blower speed.
  • A
    allentaylorAug 23, 2025
    What to do if Goodman GSC13048 has overcharge of refrigerant?
    • D
      Dr. Brent WalshAug 23, 2025
      If you have an overcharge of refrigerant in your Goodman Air Conditioner, recover part of the charge.
  • C
    christinebartlettAug 25, 2025
    How to fix loose connection in Goodman GSC13048?
    • N
      Nicole RussellAug 25, 2025
      If your Goodman Air Conditioner has a loose connection, inspect the connection and tighten it.
  • L
    Lauren McmillanAug 26, 2025
    How to test shorted or broken wires in Goodman GSC13048?
    • B
      beckertammyAug 27, 2025
      If your Goodman Air Conditioner has shorted or broken wires, test the circuits with an ohmmeter.
  • B
    Brian MejiaAug 27, 2025
    What to do if Goodman Air Conditioner has noncondensibles?
    • T
      timothylynchAug 27, 2025
      If your Goodman Air Conditioner has noncondensibles, recover the charge, evacuate, and recharge.
  • W
    Wanda JohnsonSep 18, 2025
    What to do if Goodman Air Conditioner has not enough air across indoor coil?
    • E
      ecookSep 18, 2025
      If there is not enough air across the indoor coil of your Goodman Air Conditioner, increase the blower speed and check the duct static pressure.
  • S
    Samuel OlsonSep 15, 2025
    What to do if Goodman GSC13048 has undersized liquid line?
    • J
      Johnny MannSep 15, 2025
      If the liquid line is undersized in your Goodman Air Conditioner, replace the line.
  • N
    Nicholas BellSep 16, 2025
    What to do if Goodman Air Conditioner has undersized suction line?
    • J
      Jamie NavarroSep 16, 2025
      If the suction line is undersized in your Goodman Air Conditioner, replace the line.
  • C
    Cristina RodriguezSep 6, 2025
    How to test faulty fan relay in Goodman GSC13048 Air Conditioner?
    • M
      mary20Sep 6, 2025
      If your Goodman Air Conditioner has a faulty fan relay, test the continuity of the coil and contacts.
  • D
    dereksalinasSep 3, 2025
    How to test shorted or grounded compressor in Goodman GSC13048 Air Conditioner?
    • J
      Julie GoodmanSep 4, 2025
      If your Goodman Air Conditioner compressor is shorted or grounded, test the motor windings.

Summary

Unit Overview and Safety

Unit Shipping and Handling Notices

Information regarding nitrogen/helium holding charge, component replacement use, and pre-2010 system usage.

Critical Safety Warnings

Essential safety information covering high voltage, refrigerant handling, and general precautions.

Installation Procedures and Requirements

Technician Qualifications and Site Prep

Requirements for technicians, owner warranty, shipping inspection, and codes.

Unit Placement and Clearances

Details minimum airflow clearances and considerations for unit placement and rooftop installations.

Refrigerant Line Installation

Covers insulation, burial, connections, and recommended tubing sizes for refrigerant lines.

Electrical Connections

Guidelines for wiring, high voltage safety, conductor use, and hard start kit requirements.

System Operation and Service

System Superheat Measurement

Procedure and table for measuring system superheat in fixed orifice systems.

System Evacuation and Charging

Steps for pressure testing, evacuation, and adding refrigerant to the system.

Final Charge Adjustment and Data

Instructions for adjusting system charge and reference to superheat/pressure charts.

Troubleshooting and Support

Troubleshooting Guide

A comprehensive guide listing symptoms, possible causes, and test methods for diagnosing issues.

Company Resources and Quality

Information and links to company websites and a statement on product quality.

Goodman GSC13048 Specifications

General IconGeneral
SEER Rating13
Compressor TypeScroll
RefrigerantR-410A
Operating Voltage208/230V
Phase1
Sound Level76 dB
Cooling Capacity (BTU)48000 BTU

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