HIGH EFFICIENCY 16 SEER AIR CONDITIONER ENVIRONMENTALLY BALANCED R-410A REFRIGERANT

1½ THRU 5 TONS SPLIT SYSTEM
208 / 230 Volt, 1-phase, 60 Hz

NXA6

Features

REFRIGERATION CIRCUIT

  • Scroll compressors on all models
  • Filter-drier supplied with every unit for field installation
  • Copper tube/aluminum fin coil

EASY TO INSTALL AND SERVICE

  • Easy access service valves on all models
  • External high and low refrigerant service ports
  • Only two screws to access control panel
  • Factory charged with R-410A refrigerant

BUILT TO LAST

  • Baked-on powder coat finish over galvanized steel
  • Post-painted (black) coil fins
  • Coated, weather-resistant cabinet screws
  • Coated inlet grille with 3/8" (10mm) spacing for extra protection (hail guard)

LIMITED WARRANTY*

  • 5 year parts limited warranty (including compressor and coil)
  • - With timely registration, an additional 5 year parts limited warranty (including compressor and coil)
  • * For residential applications only. See warranty certificate for complete details and restrictions, including warranty coverage for other applications.

Unit Performance Data

Model
Number
Size
(tons)
Nominal
Btu/hr
Min.
Circuit
Ampacity
Max. Fuse
/ Breaker
Operating Dimensions
height x width x depth in. (mm)
Ship / Operating
Weight lbs.
(kg)
NXA618GKA  1½  18,000 11.8 20 28-11/16 x 25-3/4 x 25-3/4
(729 x 654 x 654) 
154 / 125
(70 / 57) 
NXA624GKA  2 24,000 17.7 30 28-5/16 x 31-3/16 x 31-3/16
(719 x 792 x 792) 
147 / 183
(83 / 67) 
NXA630GKA  2½  30,000 16.8 25 32-5/16 x 31-3/16 x 31-3/16
(821 x 792 x 792) 
188 / 153
(85 / 69) 
NXA636GKB  3 36,000 17.5 30 28-5/16 x 35 x 35
(719 x 889 x 889) 
204 / 165
(93 / 75) 
NXA642GKA  3½  42,000 23.6 40 39-1/8 x 35 x 35
(994 x 889 x 889) 
254 / 213
(115 / 96) 
NXA648GKA  4 48,000 26.1 40 39-1/8 x 35 x 35
(994 x 889 x 889) 
317 / 264
(144 / 120) 
NXA660GKB  5 60,000 32.4 50 45-11/16 x 35 x 35
(1161 x 889 x 889) 
318 / 280
(144 / 127) 

Model Number:
NXA618GKA

Size (tons):

Nominal Btu/hr:
18,000

Min. Circuit Ampacity:
11.8

Max. Fuse/Breaker:
20

Operating Dimensions height x width x depth in (mm):
28-11/16 x 25-3/4 x 25-3/4 (729 x 654 x 654)

Ship/Operate Weight lbs. (kg):
154 / 125 (70 / 57)

Model Number:
NXA624GKA

Size (tons):
2

Nominal Btu/hr:
24,000

Min. Circuit Ampacity:
17.7

Max. Fuse/Breaker:
30

Operating Dimensions height x width x depth in (mm):
28-5/16 x 31-3/16 x 31-3/16 (719 x 792 x 792)

Ship/Operate Weight lbs. (kg):
147 / 183 (83 / 67)

Model Number:
NXA630GKA

Size (tons):

Nominal Btu/hr:
30,000

Min. Circuit Ampacity:
16.8

Max. Fuse/Breaker:
25

Operating Dimensions height x width x depth in (mm):
32-5/16 x 31-3/16 x 31-3/16 (821 x 792 x 792)

Ship/Operate Weight lbs. (kg):
188 / 153 (85 / 69)

Model Number:
NXA636GKB

Size (tons):
3

Nominal Btu/hr:
36,000

Min. Circuit Ampacity:
17.5

Max. Fuse/Breaker:
30

Operating Dimensions height x width x depth in (mm):
28-5/16 x 35 x 35 (719 x 889 x 889)

Ship/Operate Weight lbs. (kg):
204 / 165 (93 / 75)

Model Number:
NXA642GKA

Size (tons):

Nominal Btu/hr:
42,000

Min. Circuit Ampacity:
23.6

Max. Fuse/Breaker:
40

Operating Dimensions height x width x depth in (mm):
39-1/8 x 35 x 35 (994 x 889 x 889)

Ship/Operate Weight lbs. (kg):
254 / 213 (115 / 96)

Model Number:
NXA648GKA

Size (tons):
4

Nominal Btu/hr:
48,000

Min. Circuit Ampacity:
26.1

Max. Fuse/Breaker:
40

Operating Dimensions height x width x depth in (mm):
39-1/8 x 35 x 35 (994 x 889 x 889)

Ship/Operate Weight lbs. (kg):
317 / 264 (144 / 120)

Model Number:
NXA660GKB

Size (tons):
5

Nominal Btu/hr:
60,000

Min. Circuit Ampacity:
32.4

Max. Fuse/Breaker:
50

Operating Dimensions height x width x depth in (mm):
45-11/16 x 35 x 35 (1161 x 889 x 889)

Ship/Operate Weight lbs. (kg):
318 / 280 (144 / 127)