RoomCool, Chilled Water, L Series

Features & Benefits

Superior System Reliability

• Intelligent Control: built-in MCU adjusts cooling water and air flow to maintain optimal temperature control
• Built-in ATS: automatically switch to backup power feed to ensure uninterrupted operation
• Two-way Ball Valve: stabilizes chilled water flow and prevents fluctuations during power recovery

Optimized Energy Efficiency

• EC Fan: adjustable-speed fan (30-100%) for customized energy savings
• Double Wall Panel: high-insulation panels reduce heat loss and enhance energy efficiency
• User-Friendly Touchscreen Control Interface: simplifies system management and monitoring for efficient operation

Comprehensive Safety Features

• Alarm System with Smoke Detection: alerts user to system abnormalities and provides early fire warning
• Water Leakage Detection: immediate alerts for any water leakage to protect equipment
• Lockable Access Door: tool-required locking mechanism ensures secure access before startup

Specifications

1. Model
2. L-70, L-90, L-320

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4. Total Cooling Capacity
5. •  L-70: 70 kW⁽¹⁾
   • L-90: 88.4 kW⁽²⁾
   • L-320: 320 kW⁽³⁾

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7. Sensible Cooling Capacity
8. • L-70: 70 kW
   • L-90: 88.4 kW
   • L-320: 320 kW

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10. Airflow Rate 
11. • L-70: 11500 CFM
    • L-90: 10018 CFM
    • L-320: 54086 CFM

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13. Deployment 
14. Maximum Water Flow Rate
    • L-70: 133 LPM
    • L-90: 180 LPM
    • L-320: 633 LPM
15. Maximum Water Pressure Drop
    • L-70: 79.98 kPa
    • L-90: 59.98 kPa
    • L-320: 97.91 kPa
16. Water Piping Connection
    • L-70: 1 1/2 inch Flange
    • L-90: 1 1/2 inch PT Female
    • L-320: 3 inch NPT Male
17. Drain Piping Size
    • L-70: 5/8 inch
    • L-90: 3/8 inch
    • L-320: 1 1/2 inch
18. Fan Type and Quantity
    • L-70/90: EC fan x2
    • L-320: EC fan x10
19. Air Discharge Direction: Front

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21. Power Supply
22. Nominal Power Supply Voltage
    • L-70: 460 Vac, 3P3W
    • L-90: 380/400/415 Vac, 3P4W+PE
    • L-320: 460 Vac, 3P4W+PE
23. Operating Voltage Range
    • L-70: 414-506 Vac
    • L-90: 342-456 Vac
    • L-320: 414-506 Vac
24. Frequency
    • L-70: 60 Hz
    • L-90: 50/60 Hz
    • L-320: 60 Hz
25. Maximum Power Consumption
    • L-70: 8.6 kW
    • L-90: 7.2 kW
    • L-320: 20.6 kW
26. Dual Power Feed: Standard

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28. Physical
29. Dimensions (W x D x H)
    • L-70: 2134 x 914 x 2896 mm
    • L-90: 1600 x 900 x 2150 mm
    • L-320: 2380 x 5900.4 x 1600.2 mm
30. Net Weight
    • L-70: 971 kg
    • L-90: 494 kg
    • L-320: 2449 kg

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32. Communication Interface
33. Display: 10’’ color LCD touchscreen
34. Port
    • L-70: Modbus TCP (RJ45) x1, Output dry contact x1
    • L-90: Modbus TCP (RS-485) x1, Input dry contact x1, Output dry contact x1
    • L-320: Modbus TCP/IP (RS-485)

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36. Conformance 
37. Safety
    • L-70/320: UL
    • L-90: CE
38. Seismic Rating
    • L-70: SDC D
    • L-90/320: GR63 ZONE4

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40. Features
41. Leak Detection: Standard
42. Pressure Independent Control Valves (PICV): Standard (for L-70)
43. Drain Pump: Standard (for L-70/90)
44. Remote Rack Temperature and Humidity: Optional

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46. (1) Cooling Capacity: At 35°C dry bulb, 18.3°C wet bulb, and 21.1°C inlet water
    (2) Cooling Capacity: At 38°C dry bulb, 23.9°C wet bulb, 10°C inlet water and 17°C outlet water
    (3) Cooling Capacity: At EAT/LAT 35.6/23.3°C, EWT/LWT: 18.3/26.1°C
47. All specifications are subject to change without prior notice.