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
5 7 5 --- 3 --- 6 0 3.73 5.60 7.46
Motor Speed (r/s)
208/230---3---60 and 460---3---60 29.1 29.1 29.1
5 7 5 --- 3 --- 6 0 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
FILTER S 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 Work ing Pressure (kPag a t 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
{
Units are shipped without refrigerant charge.
}
Field installed accessory only.
40RU
