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3.5 Ton 15.2 SEER2 Goodman Heat Pump Split System GSZH504210+AMST42CU1400

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3.5 Ton 15.2 SEER2 Goodman Heat Pump Split System GSZH504210+AMST42CU1400

Standard Features
• High-efficiency scroll compressor
• SmartShift® technology to ensure quiet reliable defrost
• Copper tube/ enhanced aluminum fin coil- 5mm diameter on 1.5-3.5T
• 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
• Fully charged for 15’ of tubing length
• Contactor with lug connection
• Ground lug connection
• AHRI Certified; ETL Listed

Cabinet Features
• Removable grille style top design compliant with UL 60335-2-40
• 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
• Single panel access to controls with space provided for field-installed accessories
• When properly anchored, meets the 2020 Florida Building Code unit integrity requirements for
hurricane-type winds
(Anchor bracket kits available.)

¹ Tested and rated in accordance with AHRI Standard 210/240
² Wire size should be determined in accordance with National Electrical Codes; extensive wire runs
will require larger wire sizes ³ Must use time-delay fuses or HACR-type circuit breakers of the same size as noted.

Notes
• Always check the S&R plate for electrical data on the unit being installed.
• Installer will need to supply ⅞” to 1⅛” adapters for suction line connections.
• Unit is charged with refrigerant for 15’ of ⅜” liquid line. System charge must be adjusted per Installation Instructions Final Charge Procedure.
• Installation of these units requires the specified TXV Kit to be installed on the indoor coil.
THE SPECIFIED TXV IS DETERMINED BY THE OUTDOOR UNIT NOT THE INDOOR COIL.

GSZH504210

 Model GSZH504210
Nominal Capacities  
Cooling (BTU/h)  42,000
Heating (BTU/h) 42,000
SEER2 15.2
Decibels 75
Compressor  
RLA   17.7
LRA    110.2
Stage  Single
Type Scroll
Condenser Fan Motor  
Horsepower 1/4
FLA 1.3
Refrigeration System  
Refrigerant Line Size¹  
Liquid Line Size (“O.D.) ⅜"
Suction Line Size (“O.D.) 1⅛"
Refrigerant Connection Size  
Liquid Valve Size (“O.D.) ⅜"
Suction Valve Size (“O.D.) ⅞"
Valve Connection Type Sweat
Refrigerant Charge (oz.) 167
Electrical Data  
Volts/Phase (60 Hz) 208/230
Minimum Circuit Ampacity ²  
Max. Overcurrent Protection ³ 40
Min / Max Volts 197/253
Electrical Conduit Size 1/2" or 3/4"
Unit Weights  
Equipment Weight 264
Shipping Weight 284

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 standard193
• Cabinet air leakage less than 1.4% at 0.5 inch H₂O when tested in accordance with ASHRAE standard193
• 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 con- densation 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

AMST42CU1400

AMST42CU1400
Nominal Ratings
Cooling (Btu/h) 42,000
Blower
Diameter 10"
Width 8"
Coil Connections
Liquid 3/8"
Suction 3/4”
Coil Drain Connect (FPT) 3/4”
Electrical Data
Voltage 208/230
Minimum Circuit Ampacity 5.9/5.9
Max. Overcurrent Device (Amps) 15/15
Minimum VAC 197
Maximum VAC 253
Blower Motor
Full Load Amps (FLA) 4.7
Horsepower (HP) ¾
Ship Weight (Lbs.) 153

AMST42CU1400 Heat Kit Specs

Heater Kit Model Circuit 1 Circuit 2 Single-Point Kit
  Heater Amps Mininum Circuit Ampacity 208/230 Max Over Current Protection 208/230 Heater Amps Mininum Circuit Ampacity 208/230 Max Over Current Protection 208/230 Mininum Circuit Ampacity 208/230 Max Over Current Protection 208/230
AMST42CU1400 0/0 5.9/5.9 15/15          
3 KW 10.8/12.5 19/21.5 20/25          
5 KW 17.3/20 28/30.9 30/35          
6 KW 21.7/25 33/37.1 35/40          
8 KW 28.9/33.3 42/47.5 45/50          
10 KW 34.7/40 49/55.9 50/60          
15 KW 40 55.9 60 20 25 25 80.9 90
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