Model | LD-4W | LD-6W | LD-8W | LD-12W | LD-20W | LD-30W | LD-40W | LD-60W | LD-90W | LD-120W | LD-180W |
Temp. range | -80°C~ -30°C | ||||||||||
Cooling capacity | 6kw | 9kw | 12kw | 18kw | 30kw | 45kw | 60 | 90kw | 135kw | 180kw | 270kw |
At -60°C Kcal/h | 5160 | 7740 | 10320 | 15480 | 25800 | 38700 | 51600 | 77400 | 116100 | 154800 | 232200 |
Cooling capacity | 4kw | 6kw | 8kw | 12kw | 20kw | 30kw | 40kw | 60kw | 90kw | 120kw | 180kw |
At -75°C Kcal/h | 3440 | 5160 | 6880 | 10320 | 17200 | 25800 | 34400 | 51600 | 77400 | 103200 | 154800 |
Circulation pump | 6.6m³/h | 6.6m³/h | 9m³/h | 15m³/h | 25m³/h | 25m³/h | 25m³/h | 35m³/h | 35m³/h | 50m³/h | 65m³/h |
2.5bar | 2.5bar | 2.5bar | 2.5bar | 2.5bar | 2.5bar | 2.5bar | 2.5bar | 2.5bar | 2.5bar | 2.5bar | |
Connection size |
DN-25 PN-10 |
DN-25 PN-10 |
DN-32 PN-10 |
DN-32 PN-10 |
DN-40 PN-10 |
DN-40 PN-10 |
DN-40 PN-10 |
DN-50 PN-10 |
DN-50 PN-10 |
DN-65 PN-10 |
DN-65 PN-10 |
Cooling water 30 DEG |
10m³/h | 14m³/h | 20m³/h | 25m³/h | 35m³/h | 45m³/h | 65m³/h | 90m³/h | 120m³/h | 180m³/h | 250m³/h |
Cool storage tank (optional) |
200L | 350L | 500L | 750L | 1000L | 1200L | 1500L | 2200L | 3000L | 4000L | 5000L |
Expansion tank (optional) |
100L | 175L | 250L | 350L | 500L | 600L | 750L | 1000L | 1350L | 1800L | 2200L |
Compressor | Standard: Dorin semi-closed compressor | Standard: Hanbell screw compressor | |||||||||
Optional: Bitzer screw compressor | |||||||||||
Operation panel | 7 inch color touch screen display input, temperature curve record. | ||||||||||
Control system |
Standard: single chip microcomputer controller, position setting to open refrigeration and close refrigeration temperature difference. |
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Optional: Siemens S7 series PLC and module. | |||||||||||
Circulation system |
The whole system is fully closed system. The heat conduction medium does not absorb the water in the air and will be replenished automatically at low temperature. The system will not increase the pressure due to the high temperature in the operation. |
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Circulation pump | Wuxi guanya tube type centrifugal pump. | ||||||||||
Evaporator | Standard: Brazing plate heat exchanger. | ||||||||||
Optional: stainless steel tube heat exchanger. | |||||||||||
Condenser | Shell and tube type water cooled condenser. | ||||||||||
Intermediate heat exchanger |
Plate heat exchanger. | ||||||||||
Drying filter | Emerson | ||||||||||
Dry filter element | Emerson | ||||||||||
Expansion valve | Emerson | ||||||||||
Refrigeration solenoid valve |
Emerson | ||||||||||
Oil separator | Emerson | ||||||||||
Pressure protector | Emerson | ||||||||||
Sight glasses | Standard: Sanhua Optional: Danfoss | ||||||||||
Refrigeration ball valve |
Schneider electric contact, schneider intermediate relay. | ||||||||||
Electricity | R404A | ||||||||||
Refrigerant | Standard: Sanhua Optional: Danfoss | ||||||||||
Secondaryrefrigerant | Ethanol, dichloromethane, heat conduction medium, etc. | ||||||||||
Security and protection |
High pressure protection, water break protection, current protection, leakage protection, continuous and broken phase protection, high temperature protection, sensor fault alarm, low level alarm and other multiple security protection. |
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Level indicator | Glass level indication. | ||||||||||
Piping material | SUS304 | ||||||||||
Expansion tank volume |
SUS304 | ||||||||||
Shell material | Channel steel + square pipe + cold rolled steel | ||||||||||
Dimension cm |
205*145 *175 |
205*145 *175 |
205*145 *175 |
235*145 *175 |
235*145 *175 |
350*150 *205 |
350*150 *205 |
400*180 *205 |
450*200 *205 |
450*200 *205 |
650*220 *235 |
Power supply (max) |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
380V 50HZ |
14kw | 18kw | 30kw | 43kw | 69kw | 101kw | 101kw | 200kw | 295kw | 396kw | 588kw | |
Noise | Within 75db | Within 80db | Within 90db | ||||||||
Weight | 950kg | 1100kg | 1400kg | 1800kg | 2200kg | 3000kg | 3500kg | 4000kg | 5000kg | 6000kg | 8000kg |
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