Major Data Center Avoids $3.5M in CapEx with Xpress® System
tekWorx innovative optimization strategy lowers operating costs and increases cooling capacity without installing more chillers.
Facility Bio
- Tier 3 facility in Northeast US
- Modular packaged plant
- 3,600 ton initial capacity, expandable to 7,200 tons
- Traditional Primary-Secondary pumping
- No optimization sequence in place
Situation
- Cooling capacity expansion initiated to meet server load growth
- Additional chiller plant modules exceeded client budget and delivery time
- tekWorx identified unusable current capacity due to low ΔT and excess flow
Solution
- Convert to full variable flow to:
- raise ΔT
- improve chiller loading
- recover unusable chiller capacity
- Implement tekWorx CEO® system to minimize overall kW/ton
- Provided opportunity for redundant PLC upgrade
Results That Exceed Client Expectations
Financial Savings
- $3.5 million CapEx avoidance on additional chiller sets
- $167,000 annual energy savings
- 1-year payback
Energy Impact
- 4.7 million kWh saved annually
- 0.31 kW/ton efficiency improvement
Operational Benefits
- No integration downtime
- PLC control system upgraded to full N+1 redundancy
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