SPC DERV Installation, Operating And Maintenance Instructions page 3

DERV chilled water units
Unit size
Nominal supply volume (litres/s)
Nominal extract volume (litres/s)
Nominal supply external static (Pa)
Nominal extract external static (Pa)
Total net cooling (W)
Sensible cooling (W)
Cooling coil total capacity (W)
Supply air dry bulb (° C)
Supply air wet bulb (° C)
Heat recovery heat pipe cooling load saving (W)
Wraparound heat pipe precool load saving (W)
Wraparound heat pipe reheat load saving (W)
Power supply (V/Ph/Hz)
Nominal current draw (A)
Nominal power draw (W)
Weight (kg)
Water flowrate (litres/s)
Water pressure drop (kPa)
Coil inlet connection size (mm)
Coil outlet connection size (mm)
The conditions upon which the above data is based are as follows:
Outside air @ 46/30° C
Extract air @ 25° C
CHW flow/return @ 7.2/12.8° C
QA/IOM/63 ISSUE 2 - DERV
80 150
107 155
107 155
80 80
80 80
6375 9788
3313 4929
5150 7779
20.2 19.5
17.1 16.0
1225 2009
622 1040
622 1040
230/1/50 230/1/50
0.6 1.0
138 230
75 100
0.22 0.33
10 9
15 22
15 22
500
250
473
236
473
236
80
80
80
80
30310
15127
15155
7561
23970
11462
19.3
19.3
15.7
15.7
6340
3665
3320
1660
3320
1660
230//1/50
230/1/50
3.4
1.7
782
391
190
130
1.02
0.51
19
18
28
22
28
22
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