McQuay SWT028C - Page 9

IM709 9
Figure 5. Condenser water pressure drop
SWT018C-028C
Figure 6. Condenser water pressure drop
SWT035C-040C
Figure 7. Waterside economizer pressure drop
SWT018C-040C
Figure 8. Hot water coil pressure drop SWT035C-040C
Water Flow Rate - gpm (L/s)
20
(1.2)
30
(1.9)
40
(2.5)
50
(3.2)
60
(3.8)
70
(4.4)
80
(5.1)
90
(5.7)
100
(6.3)
150
(9.5)
Water Pressure Drop (kPa) ft. w.g.
(60) 20
(45) 15
(30) 10
(27) 9
(24) 8
(21) 7
(18) 6
(15) 5
(12) 4
(9) 3
(6) 2
Note:
HP = total unit compressor horsepower
30 hp
10 hp
15 hp
20 hp
25 hp
Water Pressure Drop (kPa) ft. w.g.
(60) 20
(45) 15
(30) 10
(27) 9
(24) 8
(21) 7
(18) 6
(15) 5
(12) 4
(9) 3
Water Flow Rate - gpm (L/s)
40
(2.5)
50
(3.2)
60
(3.8)
70
(4.4)
80
(5.1)
90
(5.7)
100
(6.3)
150
(9.5)
Note:
HP = total unit compressor horsepower
200
(12.6)
40 hp
20 hp
25 hp
30 hp
35 hp
Water Flow Rate - gpm (L/s)
40
(2.5)
50
(3.2)
60
(3.8)
70
(4.4)
80
(5.1)
90
(5.7)
100
(6.3)
150
(9.5)
Note:
1. Includes coil, control valve and interconnecting piping.
2. Add this
)
P to condenser
)
P to obtain unit
)
P for pump selection.
200
(12.6)
Water Pressure Drop (kPa) ft. w.g.
(60) 20
(45) 15
(30) 10
(27) 9
(24) 8
(21) 7
(18) 6
(15) 5
30
(1.9)
20
(1.2)
(9) 3
(12) 4
(90) 30
(120) 40
(150) 50
(180) 60
(210) 70
018 - 028
035 - 040
(6) 2
Water Flow Rate - gpm (L/s)
40
(2.5)
50
(3.2)
60
(3.8)
80
(5.1)
100
(6.3)
150
(9.5)
30
(1.9)
20
(1.2)
Water Pressure Drop (kPa) ft. w.g.
(60) 20
(30) 10
(24) 8
(18) 6
(15) 5
(9) 3
(12) 4
(90) 30
(120) 40
(150) 50
(180) 60
(210) 70
018
023
035
028
040
Note: Includes coil, control valve and interconnecting piping.