8
LEGEND
* Units are shipped without refrigerant charge.
† Field-installed accessory only.
Table 1 — 40RUA Physical Data, English — Cooling Units
UNIT 40RUA
07
08
12
14
16
NOMINAL CAPACITY (tons)
6
7-1/2
10
12-1/2
15
OPERATING WEIGHT (lb)
Base Unit with TXV
399
404
425
695
713
Plenum
175
175
175
225
225
FANS
Qty...Diam. (in.)
1...15
1...15
1...15
2...15
2...15
Nominal Airflow (cfm)
2400
3000
4000
5000
6000
Airflow Range (cfm)
1800-3000
2250-3750
3000-5000
3750-6250
4500-7500
Nominal Motor Hp (Standard Motor)
208/230-1-60
1.3
2.4
—
—
—
208/230-3-60 and 460-3-60
2.4
2.4
2.4
2.9
3.7
575-3-60
1.0
2.0
2.0
3.0
3.0
Motor Speed (rpm)
208/230-1-60
1725
1725
—
—
—
208/230-3-60 and 460-3-60
1725
1725
1725
1725
1725
575-3-60
1725
1725
1725
1725
1725
REFRIGERANT
R-410A
Operating Charge (lb) (approx per
circuit)*
3
3
1.5/1.5
2.0/2.0
2.5/2.5
DIRECT - EXPANSION COIL
Enhanced Copper Tubes, Aluminum Sine - Wave Fins
Max Working Pressure (psig)
650
650
650
650
650
Face Area (sq ft)
6.67
8.33
10
13.25
17.67
No. of Splits
1
1
2
2
2
No. of Circuits per Split
12
15
9
12
16
Split Type...Percentage
—
—
Face...50/50
Face...50/50
Face...50/50
Rows...Fins/in.
4...15
4...15
4...15
4...15
4...15
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
1...5/8
2...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...2
1...2
Hot Water Coil, Out (MPT)
1...1-1/2
1...1-1/2
1...1-1/2
1...2
1...2
Condensate (PVC)
1...1-5/8 ODM / 1-1/4 IDF
FILTERS
Throwaway — Factory Supplied
Quantity...Size (in.)
4...16 x 24 x 2
4...16 x 24 x 2
4...16 x 24 x 2
4...16 x 20 x 2
4...16 x 20 x 2
4...16 x 24 x 2
4...16 x 24 x 2
Access Location
Either Side
STEAM COIL†
Max Working Pressure (psig at
260°F)
20
20
20
20
20
Total Face Area (sq ft)
6.67
6.67
6.67
13.33
13.33
Rows...Fins/in.
1...9
1...9
1...9
1...10
1...10
HOT WATER COIL†
Max Working Pressure (psig)
150
150
150
150
150
Total Face Area (sq ft)
6.67
6.67
6.67
13.33
13.33
Rows...Fins/in.
2...8.5
2...8.5
2...8.5
2...8.5
2...8.5
Water Volume
(gal)
8.3
8.3
8.3
13.9
13.9
(ft
3
)
1.1
1.1
1.1
1.85
1.85
DX
— Direct Expansion
IDF
— Inside Diameter, Female
ODF
— Outside Diameter, Female
ODM
— Outside Diameter, Male
TXV
— Thermostatic Expansion Valve
