6
Note: The manufacturer reserves the right to modify the design and/or change the speci• cations without notice. Please
refer to speci• c installation manual for current information.
Model GWH18TC-D3DNA1A GWH24TD-D3DNA1A
System Type Heat Pump
Power Supply 208-230V / 60Hz 208-230V / 60Hz
Rated Current Cooling Amps 7.4 8.5
Rated Current Heating Amps 7.8 10.3
System Performance
Cooling Cap (Min/Max) Btu/h 18,000 (4,600-22,180) 24,000 (6,826-29,352)
Heating Cap (Min/Max)
Btu/h 19,000 (3,400-24,900) 25,000 (7,509-37,543)
SEER/EER 21 / 12.0 21 / 12.0
HSPF/COP 9.8 / 3.5 9.2 / 3.3
Indoor Unit
Air! ow
T/H/MH/M/ML/L/mute
CFM 588/512/465/418/371/330/282 706/647/589/530/471/412/353
Sound Pressure Level
T/H/MH/M/ML/L/mute
dBa 51/48/45/43/39/36/33 52/49/47/45/43/41/38
Unit Size (WxHxD) Inches 40.1 x 12.6 x 9.1 46.4 x 12.8 x 10.4
Package Size (WxHxD) Inches 43.2 x 15.6 x 13.4 49.2 x 16.2 x 14.0
Net/Gross Weight Lbs 31 / 42 40 / 53
Outdoor Unit
Compressor Type DC Inverter-Driven
Sound Pressure Level
dBa 56 56
Unit Size (WxHxD) Inches 37.6 x 27.6 x 15.6 38.6 x 31.1 x 16.8
Package Size (WxHxD) Inches 40.5 x 29.5 x 18.0 42.6 x 33.7 x 19.2
Net/Gross Weight Lbs 110 / 121 153 / 164
Refrigerant/Charge Oz. R410A / 56.4 R410A / 77.6
Installation
Line Set Size (Liq-Suc) Inches 1/4” - 5/8” 1/4” - 5/8”
Pre-Charge Feet 25 25
Max Line Run Feet 82 98
Max Elevation Feet 33 33
MCA Amps 15
20
MOCP Amps 25
30
Wire Size to Outdoor Unit, #
of wires
AWG 10 10
Wire Size / # Wires AWG 14 / 4 14 / 4
Physical & Electrical Data, cont.
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