Carrier 40RU User Manual
4
Table 1B — 40RUA Physical Data, SI — Cooling Units
UNIT 40RUA*
25
28
30
NOMINAL CAPACITY (kW)
70
87
105
OPERATING WEIGHT (kg)
Base Unit with TXV
331
477
482
Plenum
102
148
148
FANS
Qty...Diam. (mm)
2...381
2...457
2...457
Nominal Airflow (L/s)
3775
4119
5663
Airflow Range (L/s)
2831 – 4719
3539 – 5899
4247 – 7079
Nominal Motor kW (Standard Motor)
208/230---3---60 and 460---3---60
3.73
5.60
7.46
575---3---60
3.73
5.60
7.46
Motor Speed (r/s)
208/230---3---60 and 460---3---60
29.1
29.1
29.1
575---3---60
29.1
29.3
29.3
REFRIGERANT
R---410A
Operating charge (kg)
(approx per circuit)
{
1.59
2.04
2.27
DIRECT---EXPANSION COIL
Enhanced Copper Tubes, Aluminum Sine---Wave Fins
Max Working Pressure (kPag)
4481
Face Area (sq m)
1.85
2.30
2.77
No. of Splits
2
2
2
No. of Circuits per Split
18
20
24
Split Type...Percentage
Face...50/50
Rows...Fins/m
4...591
4...591
4...591
PIPING CONNECTIONS,
Quantity...Size (in.)
DX Coil — Suction (ODF)
2...1
1
/
8
2...1
3
/
8
2...1
3
/
8
DX Coil — Liquid Refrigerant (ODF)
2...
5
/
8
Steam Coil, In (MPT)
1...2
1
/
2
Steam Coil, Out (MPT)
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 508 x 51
4...406 x 610 x 51
4...508 x 610 x 51
4...508 x 635 x 51
Access Location
Either Side
STEAM COIL
}
Max Working Pressure (kPag at 126° C)
138
Total Face Area (sq m)
1.24
1.39
1.39
Rows...Fins/m
1...394
1...394
1...394
HOT WATER COIL
}
Max Working Pressure (kPag)
1034
Total Face Area (sq m)
1.24
1.39
1.39
Rows...Fins/m
2...335
2...335
2...335
Water Volume
(L)
52.6
54.1
(m
3
)
0.052
0.054
LEGEND
DX — Direct Expansion
TXV — Thermostatic Expansion Valve
TXV — Thermostatic Expansion Valve
{
Units are shipped without refrigerant charge.
}
Field installed accessory only.
40RU