Atlas Copco GA 7 VSD+

Temperature input Minimum
setting
Nominal
setting
Maximum
setting
Water inlet temperature of energy recovery ˚C 0 50 99
Water inlet temperature of energy recovery ˚F 32 122 210
Energy recovery water outlet temperature ˚C 0 Depends on
application
99
Energy recovery water outlet temperature ˚F 32 Depends on
application
210
To modify a setting, consult the relevant section in the description of the Elektronikon controller.
Recoverable energy
The recoverable energy can be calculated from:
RECOVERED ENERGY (kW) = 4.2 x water flow (l/s) x water temperature rise (˚C)
In the tables below, typical examples are given.
Data for low temperature rise/high water flow systems
Parameter Unit GA7
VSD
+
GA11
VSD
+
GA15
VSD
+
Recoverable energy kW 6.2 9.7 13.2
Recoverable energy hp 8.4 13.2 18.0
Temperature at inlet ˚C 50 50 50
Temperature at inlet ˚F 122 122 122
Temperature at outlet ˚C 60 60 60
Temperature at inlet ˚F 140 140 140
Data for high temperature rise/low water flow systems
Parameter Unit GA7
VSD
+
GA11
VSD
+
GA15
VSD
+
Recoverable energy kW 6.2 9.7 13.2
Recoverable energy hp 8.4 13.2 18.0
Temperature at inlet ˚C 20 20 20
Temperature at inlet ˚F 68 68 68
Temperature at outlet ˚C 60 60 60
Temperature at inlet ˚F 140 140 140
5.2 Main switch
A build-in main switch can be ordered from factory
Instruction book
2920 7109 23 95