HYDROCIATTMLW Water chillers Heat pump High efficiency unit technical characteristics LW HE / LW HE + Heat pump application option 1328 1528 1928 2128 2328 2628 3028 3428 3828 4228 4628 Oil - standard unit Circuit A l 32 32 36 36 36 32 32 36 36 36 36 Circuit B l - - - -- 32 32 32 36 36 36 Capacity control Connect Touch, electronic expansion valves (EXV) Minimum capacity (4) % 30 30 20 20 20 15 15 15 10 10 10 Evaporator Shell and tube flooded type Water volume l 101 101 154 154 154 293 293 321 321 473 473 Water connections (Victaulic) in 6 6 8 8 8 8 8 8 8 10 10 Drain and vent connections (NPT) in 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 Max. water-side operating pressure kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 Condenser Shell and tube type Water volume l 103 103 148 148 148 316 316 340 340 623 623 Water connections (Victaulic) in 6 6 8 8 8 8 8 8 8 10 10 Drain and vent connections (NPT) in 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 Max. water-side operating pressure kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 (4) Minimum unit capacity corresponds to a physical state of the unit and is given for indication only. The actual capacity at this stage depends on operating conditions. Technical characteristics for low temperature units Standard and high-efficiency lw units (low temperature brine solution) LW ST 708 858 1008 1300 1302 1500 1508 2100 2300 Operating weight kg 2041 2063 2102 2609 2609 2647 2678 3492 3516 Refrigerant charge (1) R-134a kg 91 86 84 99 99 99 99 146 135 Circuit A teqCO2 129730 123552 120463 142085 142085 142085 142085 208494 193050 kg 0 0 0 0 0 0 0 0 0 Circuit B teqCO2 0 0 0 0 0 0 0 0 0 Evaporator Single pass, multi-pipe flooded type Water volume l 50 56 61 70 70 70 70 109 109 Water connections (Victaulic) in 5 5 5 6 6 6 6 6 6 Drain and vent connections (NPT) in 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 Max. water-side operating pressure kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 LW ST 2308 2800 3000 3008 3400 4200 4600 4408 4608 Operating weight kg 3720 5467 5505 5806 7392 7781 7829 9193 9219 Refrigerant charge (1) R-134a kg 171 92 92 113 130 119 113 211 211 Circuit A teqCO2 244015 131274 131274 162162 185328 169884 162162 301158 301158 kg 0 92 92 113 130 119 113 211 211 Circuit B teqCO2 0 131274 131274 162162 185328 169884 162162 301158 301730 Evaporator Single pass, multi-pipe flooded type Water volume l 98 182 182 205 301 301 301 354 354 Water connections (Victaulic) in 6 6 6 8 8 8 8 8 8 Drain and vent connections (NPT) in 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 Max. water-side operating pressure kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 (1)Weights are guidelines only. The refrigerant charge is given on the unit nameplate. 544 544 CATALOGUE 2021