Installation guide

-91-
Design & installation Guide For McQuay MDS Multi System
Water boiling point(c) Pressure(mmHg) Vacuity(mmHg)
40 55 -705
30 36 -724
26.7 25 -735
24.4 23 -737
22.2 20 -740
20.6 18 -742
17.8 15 -745
15.0 13 -747
11.7 10 -750
7.2 8 -752
05-755
Necessary vacuum
Absolute pressure
(mmHg)
Frozen point
Outdoor temperature range
0
-60
-160
-260
-360
-460
-560
-700
-710
-720
-730
-740
-755
-760
-20 -10 0 10 20 30 40 50 60 70
5
10
20
30
40
50
60
200
300
400
500
600
700
760
0mmHg
Surface pressure (kg/cm
2
)
Selection of vacuum pump
When selecting a vacuum pump, please pay attention to the follows:
The range of vacuum must be up to -755 mmHg
The vacuum pump should have a large exhaust volume(more than 40 litres/min).