Bryant Air Handling Units 524J User Manual
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Table 1B — 524J***A Physical Data, SI — Cooling Units
LEGEND
UNIT 524J*
07A
08A
12A
14A
16A
NOMINAL CAPACITY (kW)
21
26
35
43
52
OPERATING WEIGHT (kg)
Base Unit with TXV
173
175
184
304
311
Plenum
80
80
80
102
102
FANS
Qty...Diam. (mm)
1...381
1...381
1...381
2...381
2...381
Nominal Airflow (L/s)
1133
1604
1888
2360
2831
Airflow Range (L/s)
850-1416
1203-2006
1416-2360
1770-2949
2124-3539
Nominal Motor kW (Standard Motor)
208/230-1-60
0.97
1.79
—
—
—
208/230-3-60 and 460-3-60
1.79
1.79
1.79
2.16
2.16
575-3-60
0.75
1.49
1.49
2.24
2.24
Motor Speed (r/s)
208/230-1-60
28.8
28.8
—
—
—
208/230-3-60 and 460-3-60
28.8
28.8
28.8
28.8
28.8
575-3-60
28.8
28.8
28.8
28.8
28.8
REFRIGERANT
R-410A
Operating charge (kg)
(approx per circuit)
†
1.36
1.36
0.68/0.68
0.90/0.90
1.13/1.13
DIRECT-EXPANSION COIL
Enhanced Copper Tubes, Aluminum Sine-Wave Fins
Max Working Pressure (kPag)
3102
Face Area (sq m)
0.62
0.77
0.93
0.93
1.64
No. of Splits
1
1
2
2
2
No. of Circuits per Split
12
15
9
12
16
Split Type...Percentage
—
—
Face...50/50
Fins/m
591
591
670
591
591
PIPING CONNECTIONS,
Quantity...Size (in.)
DX Coil — Suction (ODF)
1...1
1
/
8
1...1
1
/
8
2...1
1
/
8
2...1
1
/
8
2...1
1
/
8
DX Coil — Liquid Refrigerant (ODF)
1...
5
/
8
2...
5
/
8
Steam Coil, In (MPT)
1...2
1
/
2
1...2
1
/
2
Steam Coil, Out (MPT)
1...1
1
/
2
1..1
1
/
2
Hot Water Coil, In (MPT)
1...1
1
/
2
1...2
Hot Water Coil, Out (MPT)
1...1
1
/
2
1...2
Condensate (PVC)
1...1
1
/
4
ODM/1 IDF
FILTERS
Throwaway — Factory Supplied
Quantity...Size
4...406 x 610 x 51
4...406 x 508 x 51
4...406 x 610 x 51
Access Location
Either Side
STEAM COIL**
Max Working Pressure (kPag at 126°C)
138
Total Face Area (sq m)
0.62
0.62
0.62
1.24
1.24
Rows...Fins/m
1...355
1...355
1...355
1...394
1...394
HOT WATER COIL**
Max Working Pressure (kPag)
1034
Total Face Area (sq m)
0.62
0.62
0.62
1.24
1.24
Rows...Fins/m
2...335
2...335
2...335
2...335
2...335
Water Volume
(L)
31.4
52.6
(m
3
)
0.031
0.052
DX
—
Direct Expansion
TXV
—
Thermostatic Expansion Valve
†
Units are shipped without refrigerant charge.
** Field installed accessory only.