950-0289revB - 27 - July 22, 2022
Technical Specifications for FIVE PORT Outdoor Unit
Model Number
246-0603 MZ48H424ZMO
Rated Voltage & Frequency and Phase
208-230V / 60Hz / 1PH
Min. - Max. Operating Voltage
187 - 253 VAC
Rated Input Current of the Power Conversion Equipment
26
Min. Circuit Ampacity (A)
40
Circuit Breaker Size (A)
60
Working Temperature Range (°F)
Cooling: -13 to 122; Heating: -13 to 86
Low Ambient Cooling Function
Yes
Sound Power Level dB(A)
64
Resistance Class
IPX4
Cooling
Capacity Invert Range (Btu/h)
48000 (19000~50000)
Cooling Power Input (W)
3,840
Cooling Current Input (A)
16.8
EER (Btu/h/W)
12.5
SEER
21
Heating @
47 °F
Capacity Invert Range (Btu/h)
48000 (12500~52000)
Heating Power Input (W)
3,910
Heating Current Input (A)
17.1
COP (W/W)
3.6
HSPF4
11.5
HSPF5
8.8
Heating @
5 °F
Rated Capacity (Btu/h)
27000
COP (W/W)
1.65
Fan Motor
Fan Type
Axial-flow
Fan Motor Type / Model
DC Motor / ZKFN-85-8-22-5
Motor Insulation Class
E
Input (W)
126
Fan Speed (RPM)
900/850/800/750
Outdoor Fan
Fan Blade Diameter / Height (in)
21.81 / 5.83 x 2
Max. Air Flow Volume of Outdoor Unit (CFM)
4,500
Compressor
Model
ATQ360D1UMU
TYPE
Rotary
Brand
GMCC
Capacity (Btu/h)
38216
Input (W)
3,040
Crankcase Heater Input (W)
27
Oil Type / Charge Volume (oz.)
ESTER OIL VG74 / 47.34
Overload Protector
/
Condenser
Number of Rows
2
Fin Pitch (in)
0.047
Fin Type
Hydrophilic Aluminum
Coil Length x Height x Width (in)
38.58 x 24.8 x 1.73 + 38.58 x 24.8 x 1.73
Number of circuits
10
Defrosting Method
Automatic Defrosting
Chassis Electrical Heater Power Input (W)
150
Dimensions &
Weight
Unit Dimensions (W x D x H) (in)
37.48 x 16.34 x 52.48
Packing Dimensions (W x D x H) (in)
43.11 x 19.49 x 57.48
Net / Gross Weight (lb)
225.53 / 256.62
Connection
Flare Liquid line
Five of 1/4"- 6K, 9K, 12K, 18K [*1]
Flare Suction line
Three of 3/8" - 6K, 9K Btu [*2]
Two of 1/2" - 12K, 18K Btu [*3]
Service Port Fitting
1/2" - 20 UNF
Max. drive IDU Number
5
High Pressure (psi)
550
Low Pressure (psi)
340
Design Length (ft)
123 (total) [*4]
Max Line Set Vertical Height
(between outdoor and indoor unit) (ft)
49.2
Max Line Set Vertical Height
(between indoor and indoor unit) (ft)
32.8
Max Line Set Length (ft)
115 (for the farthest indoor unit)
Max Line Set Length (ft)
262 (total)
Charge over Design Length on 1/4" liquid pipe [*4]
(oz. / ft)
0.161
Refrigerant / Charge
R410A / 162 oz.
Wiring (Indoor to Outdoor)
4C- 16 AWG
Wiring (Outdoor unit to Power Disconnect)
3C- 6 AWG
*1. 24,000 / 30,000 / 36,000 BTU indoor units use a 3/8" to 1/4" adapter joint that is included with the unit.
*2. 12,000 / 18,000 BTU indoor units use a 1/2" to 3/8" adapter joint that are included with the unit.
*3. 6,000 / 9,000 indoor units use a 3/8" to 1/2" adapter joint that is included with the unit.
24,000 / 30,000 / 36,000 BTU indoor units use a 5/8" to 1/2" adapter joint that is included with the unit.
*4. When the total length of liquid line is over 123 ft, the additional refrigerant charge is required.
NOTE: Outdoor unit must connect to a minimum of TWO indoor units.