FAS-FHS-072-180-01SI Rev. A
Specifications subject to change without notice.
11
LEGEND
* Units are shipped without refrigerant charge.
† Field-installed accessory only.
Table 4 — FHS Physical Data, SI — Heat Pump Units
FHS UNIT
072
072****2
091
120
180
NOMINAL CAPACITY (kW)
21
21
26
35
52
OPERATING WEIGHT (kg)
Base Unit with TXV
173
173
175
194
323
Plenum
80
80
80
80
102
FANS
Qty...Diam. (mm)
1...381
1...381
1...381
1...381
2...381
Nominal Airflow (L/s)
1133
1133
1604
1888
2831
Airflow Range (L/s)
850-1416
850-1416
1203-2006
1416-2360
2124-3539
Nominal Motor Hp (Standard Motor)
208/230-1-60
0.97
0.97
1.79
—
—
208/230-3-60 and 460-3-60
1.79
1.79
1.79
1.79
2.76
575-3-60
0.75
0.75
1.49
1.49
2.24
Motor Speed (r/s)
208/230-1-60
28.8
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
1.36
0.91/0.91
1.36/1.36
DIRECT - EXPANSION COIL
Enhanced Copper Tubes, Aluminum Sine - Wave Fins
Max Working Pressure (kPag)
4482
4482
4482
4482
4482
Face Area (sq m)
0.77
0.77
0.77
0.93
1.54
No. of Splits
1
1
1
2
2
No. of Circuits per Split
15
12
12
9
10
Split Type...Percentage
—
—
—
Face...50/50
Face...50/50
Rows...Fins/m
3...591
4...591
4...591
3...591
4...591
PIPING CONNECTIONS
Quantity...Size (in.)
DX Coil — Suction (ODF)
1...1-1/8
1...1-1/8
1...1-1/8
2...1-1/8
2...1-1/8
DX Coil — Liquid Refrigerant
(ODF)
1...5/8
1...5/8
1...5/8
2...5/8
2...5/8
Steam Coil, In (MPT)
1...2-1/2
1...2-1/2
1...2-1/2
1...2-1/2
1...2-1/2
Steam Coil, Out (MPT)
1...1-1/2
1...1-1/2
1...1-1/2
1…1-1/2
1…1-1/2
Hot Water Coil, In (MPT)
1...1-1/2
1...1-1/2
1...1-1/2
1...1-1/2
1...2
Hot Water Coil, Out (MPT)
1...1-1/2
1...1-1/2
1...1-1/2
1...1-1/2
1...2
Condensate (PVC)
1...1-5/8 ODM / 1-1/4 IDF
FILTERS
Throwaway — Factory Supplied
Quantity...Size (mm)
4...406 x 610 x 51
4...406 x 610 x 51
4...406 x 610 x 51
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
138
138
138
138
Total Face Area (sq m)
0.62
0.62
0.62
0.62
1.24
Rows...Fins/m
1...355
1...355
1...355
1...355
1...394
HOT WATER COIL†
Max Working Pressure (kPag)
1034
1034
1034
1034
1034
Total Face Area (sq m)
0.62
0.62
0.62
0.62
1.24
Rows...Fins/m
2...335
2...335
2...335
2...335
2...335
Water Volume
(L)
31.4
31.4
31.4
31.4
52.6
(m
3
)
0.031
0.031
0.031
0.031
0.052
DX
— Direct Expansion
IDF
— Inside Diameter, Female
ODF
— Outside Diameter, Female
ODM
— Outside Diameter, Male
TXV
— Thermostatic Expansion Valve