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AHU-KIT
2.5 Recommended Selection of Air Handling Unit
Select the air handling unit according to the technical data and limitations mentioned in the
following table. Lifetime of the unit, operation range or operation reliability may be influenced if you
neglect these limitations.
Model(Combined)
GMV-N12U/C-T(U)
GMV-N24U/C-T(U)
GMV-N48U/C-T(U)
GMV-N96U/C-T(U)
GMV-N192U/C-T(U)
GMV-N48U/C-T(U)+GMV-N192U/C-T(U)
GMV-N96U/C-T(U)+GMV-N192U/C-T(U)
GMV-N192U/C-T(U)+GMV-N192U/C-T(U)
The capacity is obtained at these test conditions: superheat (SH) = 5°C(41°F) and supercool (SC) = 3°C(37.4°F).
Cooling: Saturated evaporating temperature = 6°C(42.8°F), air return temperature is
27°C(80.6°F)DB/19°C(66.2°F)WB.
Heating: Saturated condensing temperature = 46°C(114.8°F), air return temperature is 20°C(68°F)DB.
The heat exchanger of air handling unit is designed for R410A, and its working pressure is 3.8MPa.
Recommendation：Quantity of rows of heat exchanger: no more than 4 rows.
Recommendation：The diameter of copper pipe of heat exchanger is no more than 12.7mm(1/2 inch), 9.52mm(3/8
inch) is recommended.
Air inlet temperature range of heat exchanger: cooling: 16~35°C(60.8~95°F), heating: 10~27°C(50~80.6°F).
NOTICE
When the AHU-KIT is matched with AHU, they can connect with VRF outdoor unit as VRF
Allowed Heat Exchanger Capacity(kBtu/h)
Capacity
Cooling
(kBtu/h)
Min.
9
8.5
12
9.5
15
12
18
15
24
18
30
24
36
30
48
36
60
48
72
60
96
72
120
96
144
120
168
144
192
168
288
192
336
288
384
336
480
384
576
480
NOTICE
6
Heating
Max.
Min.
9.5
9.5
12
10.5
15
13.5
18
17
24
20
30
27
36
34
48
40
60
54
72
67
96
81
120
108
144
135
168
162
192
189
288
216
336
324
384
378
480
432
576
540
Max.
10.5
13.5
17
20
27
34
40
54
67
81
108
135
162
189
216
324
378
432
540
648
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