The nVent RackChiller CDU40 is a rack-based Coolant Distribution Unit, built for the needs of today’s demanding HPC requirements.

Benefits

• Enables up to 40 kW of liquid heat load in a single rack
• High degree of safety through N+1 pump design
• Best fit for small installations or when high modularity required

General Data

• Pump redundancy: 3 pumps for N+1 redundancy
• Power requirement: 100V – 240V 50/60 Hz
• Current consumption 2.47 – 4.44A
• Power supply 2, N+1, 1000W each
• Cooling capacity: 40 kW at 10 C Approach (64 LPM Primary)
• Minimum approach temperature: 5K
• Secondary coolant supply range ASHRAE W17 to W45 (previous W1 to W4)
• Power consumption: 670W (default mode), 970W (max performance mode)
• Liquid Temp Range: 10–70°C (50–158°F)

Primary Rating

• Coolant: treated water with up to 25% PG
• Maximum Allowable Flow Rate: 80 LPM (21 GPM)
• Maximum Head Loss (at 64 LPM, Water): 0.1 bar (2 psi)
• Maximum System Pressure: 3.8 bar (55 psi)

Secondary Performance

• Coolant: treated water with up to 25% PG
• Maximum Flow (dual pumps): 60 LPM (16 GPM) at 0.5 bar (7 psi)
• Maximum Flow (triple pumps): 75 LPM (20 GPM) at 0.4 bar (6 psi)
• Maximum System Pressure: 1.4 bar (20 psi) – Secondary bypass
  opens at 20 psi, over pressure valve opens at 30 psi
• System Volume: 9.5 L (2.5 Gal)