10 IM709
Figure 9. Water regulating valve pressure drop
Head pressure control
Condensate Drain Connection
The condensate drain connection is 11/8" O.D.S. copper and
is located on the same end of the unit as the condenser water
connections. The drain is internally trapped at the factory
requiring no external trap. The condensate line should be
pitched away from the unit with a minimum slope of 1/8" per
foot. Drain pans and the drain trap should be kept clean by
periodic cleaning. A cleanout is provided as standard in the
trap to aid in cleaning.
018 - 028
035 - 040
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:
Includes coil, control valve and interconnecting piping.
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)
(9) 3
(12) 4
(90) 30
(105) 35
(6) 2
20
(1.2)
(120) 40
(75) 25
(3) 1
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