Specifications

16
PHYSICAL DATA
30GX
30GX 080 090 105 115 125 135 150 160 175
Nominal gross cooling capacity* kW 262 290 330 373 405 438 484 526 576
Operating weight kg 3410 3420 3658 3829 3877 3889 4189 4239 4671
Refrigerant HFC-134a
Refrigerant charge CKT A/CKT B kg See unit nameplate
Compressor Semi-hermetic twin screw
Ckt A, nominal capacity per compressor Tons 46 56 56 66 66 66 80 80 80
Ckt B, nominal capacity per compressor Tons 39 39 39 39 46 56 56 66 80
Economizer No No Yes Yes Yes Yes Yes Yes Yes
Capacity steps No. 666666666
Minimum capacity % 20 20 20 20 20 20 20 20 20
Cooler
Net water volume l 73 73 87 87 101 101 91 109 109
Refrigerant circuits No. 222222222
Water connection Customized flat flange supplied to be welded on site
Inlet & outlet diameter inches 445555555
Air vent diameter (on water box) inches 3/8” NPT
Water drain diameter (on water box) inches 3/8” NPT
Maximum operating pressure water side kPa 1000
Condenser fans Airfoil blades
Number 4446668810
Total air flow l/s 20518 20518 20518 29505 29505 28268 37714 37714 48370
Speed rps 15.8 15.8 15.8 15.8 15.8 15.8 15.8 15.8 15.8
Condenser coils Copper tubes & aluminium fins
30GX 205 225 250 265 280 295 325 350
Nominal gross cooling capacity* kW 666 745 825 854 918 977 1066 1158
Operating weight kg 5810 6048 6310 6556 7303 7496 7753 7852
Refrigerant HFC-134a
Refrigerant charge CKT A/CKT B kg See unit nameplate
Compressor Semi-hermetic twin screw
Ckt A, nominal capacity per compressor A1/A2 Tons 39/80 46/80 66/80 80/80 66/66 56/80 66/80 80/80
Ckt B, nominal capacity per compressor B1/B2 Tons 66 80 80 80 56/66 56/80 66/80 80/80
Economizer Yes Yes Yes Yes Yes Yes Yes Yes
Capacity steps No. 888810101010
Minimum capacity % 15 15 15 15 10 10 10 10
Cooler
Net water volume l 140 165 181 181 203 203 229 229
Refrigerant circuits No. 22222222
Water connection Customized flat flange supplied to be welded on site
Inlet & outlet diameter inches 66668888
Air vent diameter (on water box) inches 3/8” NPT
Water drain diameter (on water box) inches 3/8” NPT
Maximum operating pressure water side kPa 1000
Condenser fans Airfoil blades
Number 10 10 12 12 12 14 16 16
Total air flow l/s 47142 47142 56571 56571 56571 66000 75428 75428
Speed rps 15.8 15.8 15.8 15.8 15.8 15.8 15.8 15.8
Condenser coils Copper tubes & aluminium fins
Legend :
* Eurovent conditions :
Cooler entering/leaving water temperature : 12°C and 7°C,
Condenser entering air temperature : 35°C.