7. Specifications
NTXAMT12, 18, 24, 30, 36A112AA
Small Cabinet
Medium Cabinet
Item / Model
12A112AA
18A112AA
24A112AA
30A112AA
36A112AA
Power Source
208/230V, 1-phase, 60hZ
Cooling capacity/Heating capacity
Btu/h
12,000 / 13,500
18,000 / 22,800
24,000 / 27,000
30,000 / 34,000
36,000 / 40,000
kW
3.5/4.0
5.3/6.7
7.0 / 7.9
8.8 / 10.0
10.6 / 11.7
Tonnage
1
1.5
2
2.5
3
Dimensions
Height
mm [in]
1,101 [39-3/4]
1,113.8 [43-7/8]
Width
mm [in]
432 [17]
Depth
mm [in]
548 [21-5/8]
Net weight
kg [lb]
43 [93]
54 [119]
Fan
Airflow rate (Low-
Mid-High)
CFM
314 – 381 – 448
471 – 573 – 675
515 - 625 - 735
613 - 744 - 875
767 - 931 - 1,095
External static pres-
sure
in. WG
0.30 - 0.50 - 0.80
[Pa]
[75 - 125 - 200]
Sound Pressure
(Low - Mid - High)
dB(A)
29 - 34 - 37
31 - 35 - 39
30-34-38
32-36-40
35-39-43
Notes:
1. Rating conditions (cooling)
Indoor : 80 °F [26.7 °C] D.B., 67 °F [19.4 °C] W.B.
Outdoor : 95 °F [35 °C] D.B.
2. Rating conditions (heating)
Indoor : 70 °F [21.1 °C] D.B.
Outdoor : 47 °F [8.3 °C] D.B., 43 °F [6.1 °C] W.B.
3. The indicated capacity is the value when one indoor
unit is connected to the outdoor unit.
4. Specifications subject to change without notice.
5. The external static pressure is set to 0.50 in. WG (125
Pa) at factory shipment.
Table 1. Guaranteed operating range
Indoor
Cooling
Upper limit
95 °F [35 °C] D.B.
71 °F [21.7 °C] W.B.
Lower limit
67 °F [19.4 °C] D.B.
57 °F [13.9 °C] W.B.
Heating
Upper limit
80 °F [26.7 °C] D.B.
-
Lower limit
70 °F [21.1 °C] D.B.
-
1. Units should be installed by licensed electric contractor accordingly to local code requirement.
2. For outdoor units to be connected, refer to the Installation Manual that comes with the units.
NTXAMT12, 18, 24, 30, 36A112AA
Specifications are subject to change without notice.
13
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