Bryant 524J User Manual
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Table 1D — 524J*25H Physical Data, SI — Heat Pump Units
UNIT 524J*
25H
NOMINAL CAPACITY (kW)
70
OPERATING WEIGHT (kg)
Base Unit with TXV
326
Plenum
44
FANS
Qty...Diam. (mm)
2...381
Nominal Airflow (L/s)
3775
Airflow Range (L/s)
2831---4719
Nominal Motor kW (Standard Motor)
208/230---3---60 and 460---3---60
3.73
575---3---60
3.73
Motor Speed (r/s)
208/230---3---60 and 460---3---60
29.1
575---3---60
29.1
REFRIGERANT
R---410A
Operating charge (kg)
(approx per circuit)*
1.59/1.59
DIRECT---EXPANSION COIL
Enhanced Copper Tubes, Aluminum Sine---Wave Fins
Max Working Pressure (kPag)
4482
Face Area (sq m)
1.85
No. of Splits
2
No. of Circuits per Split
2
Split Type...Percentage
Face...50/50
Fins/m
591
PIPING CONNECTIONS,
Quantity...Size (in.)
DX Coil — Suction (ODF)
2...1
1/8
DX Coil — Liquid Refrigerant (ODF)
2...
5/8
Steam Coil, In (MPT)
1...2
1/2
Steam Coil, Out (MPT)
1...1
1/2
Hot Water Coil, In (MPT)
1...2
Hot Water Coil, Out (MPT)
1...2
Condensate (PVC)
1...1
1/4
ODM/1 IDF
FILTERS
Throwaway — Factory Supplied
Quantity...Size (mm)
4...406 x 610 x 51
4...406 x 508 x 51
Access Location
Right or Left Side
STEAM COIL**
Max Working Pressure (kPag at 126° C)
138
Total Face Area (sq m)
1.24
Rows...Fins/m
1...394
HOT WATER COIL**
Max Working Pressure (kPag)
1034
Total Face Area (sq m)
1.24
Rows...Fins/m
2...335
Water Volume
(L)
52.6
(m
3
)
0.052
LEGEND
DX — Direct Expansion
TXV — Thermostatic Expansion Valve
*
Units are shipped without refrigerant charge.
**
Field installed accessory only.
524J