8
Note: The manufacturer reserves the right to modify the design and/or change the specifications without notice. Please
refer to specific installation manual for current information.
Physical & Electrical Data, cont.
Model
GWH18MC-D3DNA3D
GWH24MD-D3DNA3D
System Type
Heat Pump
Power Supply
208-230v / 60Hz
208-230V / 60Hz
Rated Current Cooling
Amps
6.7
7.9
Rated Current Heating
Amps
7.3
9.3
System Performance
Cooling Cap (Min/Max)
Btu/h
18,000 (5,970-22,350)
21,400 (9,600-25,000)
Heating Cap (Min/Max)
Btu/h
19,800 (4,100-22,000)
23,000 (4,300-26,000)
Operating Range - Cooing
deg F
25 - 115
25 - 115
Operating Range - Heating
deg F
5 - 65
5 - 65
System Specifications
Compressor Type
DC Inverter-driven Twin Rotary
Sound Level
db
56
58
Net/Gross Weight Indoor
lb
29 / 38
35 / 46
Net/Gross Weight Outdoor
lb
99 / 110
132 / 146
Condenser Coil Type
Gold Fin Coated
Refrigerant/Charge
oz
R410a / 49.4
R410a / 56.4
Line Set Size Liq. - Suction
1/4” - 1/2”
1/4” - 5/8”
Pre-Charged Lineset Ft.
Feet
25
25
Additional Refrigerant
charge/additional feet
oz
0.22
0.5
Max. Total Piping Length
Feet
82
82
Max. Elevation
Feet
33
33
MCA
Amps
13
16
MOCP/Breaker Size
Amps
20
25
Wire Size to Outdoor Unit, #
of Wires per Local Code
awg
12
10
Wire Size and # of Conduc-
tors from Indoor to Outdoor
unit
14awg/4c