SPC DERV Installation, Operating And Maintenance Instructions page 3

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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
Page 3 of 19

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