4 Ton 16 SEER Goodman HEAT PUMP Split System GSZ160481 & ASPT49D14 R-410a

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Standard Features

• High-efficiency scroll compressor

• SmartShift® technology to ensure quiet reliable defrost

• Single-speed ECM condenser fan motor

• Factory-installed bi-flow liquid-line filter drier

• Factory-installed suction-line accumulator

• Factory-installed compressor crankcase heater

• Factory-installed high-capacity muffler

• High- and low-pressure switches

• Service valves with sweat connections and easy access to gauge ports

• Copper tube/enhanced aluminum fin coil

• Fully charged for 15’ of tubing length

• Contactor with lug connection

• Ground lug connection

• AHRI Certified; ETL Listed

Cabinet Features

• Goodman® brand sound control top design

• Steel louver coil guard

• Heavy-gauge galvanized-steel cabinet

• Attractive Architectural Gray powder-paint finish with 500-hour salt-spray approval

• Top and side maintenance access

• Service ports and controls are

accessible while unit is operating

• When properly anchored, meets the 2010 Florida Building Code unit integrity requirements for
hurricane-type winds

(Anchor bracket kits available.)

Nominal Capacities  
Cooling (BTU/h) 48,000
Heating (BTU/h) 48,000
Decibels 74
RLA 19.9
LRA 109.0
Type Scroll
Condenser Fan Motor  
Horsepower 1/4
FLA 1.30
Refrigeration System  
Refrigerant Line Size¹  
Liquid Line Size (“O.D.) 3/8"
Suction Line Size (“O.D.) 1 1/8"
Refrigerant Connection Size  
Liquid Valve Size (“O.D.) 3/8"
Suction Valve Size (“O.D.) 7/8"
Valve Connection Type Sweat
Refrigerant Charge (oz.) 231
Electrical Data  
Volts/Phase (60 Hz) 208/230
Minimum Circuit Ampacity ² 26.2
Max. Overcurrent Protection ³ 45
Min / Max Volts 197/253
Electrical Conduit Size 1/2" or 3/4"
Unit Weights  
Equipment Weight 250
Shipping Weight 270
ENERGY STAR® Certified ^  Yes

Product Features

• Internal factory-installed thermal expansion valves for cooling and heat pump applications

• Direct drive, multi-speed ECM blower motor

• All-aluminum evaporator coil

• Coil mounting track for quick repositioning

• Optimized for use with R-410A refrigerant

• Cabinet air leakage less than 2.0% at 1.0 inch H₂O when tested in

accordance with ASHRAE standard 193

• Cabinet air leakage less than 1.4% at 0.5 inch H₂O when tested in

accordance with ASHRAE standard 193

• AHRI certified; ETL listed

• Rigid SmartFrame™ cabinet

• Horizontal or vertical configuration capabilities

• 21” depth for easier attic access

• DecaBDE-free thermoplastic drain pan with secondary drain connections

• Screw-less sides and back helps to reduce condensation when installed in humid locations

• Foil-faced insulation covers the internal casing to reduce cabinet condensation

• Galvanized, leather grain-embossed finish

• Glue-less cabinet insulation retention

• Tool-less filter access

• Field Installed 3 kW – 25 kW electric heater

kits available

Nominal Ratings 48,000
Cooling (Btu/h)
Diameter 11¹⁵⁄₁₆"
Width 10⅝"
Coil Connections  
Liquid ⅜"
Suction ⅞"
Coil Drain Connect (FPT) ¾"
Electrical Data  
Voltage 208/230
Minimum Circuit Ampacity 8.6 / 8.6
Max. Overcurrent Device (Amps) 15 / 15
Minimum VAC 197
Maximum VAC 253
Blower Motor  
Full Load Amps (FLA) 6.9
Horsepower (HP) 1
Ship Weight (Lbs.) 167


More Information
Tonnage 4 Ton
Manufacturer Goodman
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