15 Ton Industrial FRP Counter Flow Cooling Tower - Data Center
The ZL-15T cooling tower is designed, manufactured, and tested in accordance with the following authoritative standards supporting Data Center applications:
The ZL-15T is one of 9 active ZL-15T configurations covering Data Center applications plus 10 buyer perspectives across 11 cooling capacities (10T to 500T). Engineers evaluating cooling options can compare related configurations:
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| Parameter | Value |
|---|---|
| Model | ZL-15T |
| Cooling Capacity | 15 RT (52.75 kW heat rejection) |
| Water Flow Rate | 11.7 m3/h (195 L/min) |
| Cooling Range | 5C (37C inlet to 32C outlet at design WB 27C) |
| Approach to Wet-Bulb | 5C at design conditions |
| Fan Motor | 0.37 kW (0.5 HP) 380V 3-phase 50Hz |
| Fan Diameter | 635 mm axial |
| Air Flow Rate | 140 CMM (84,000 m3/h) |
| Head Loss at Design Flow | 13 kPa |
| Tower Dimensions (H x D) | 1760 x 1180 mm |
| Dry Weight | 54 kg |
| Operating Weight (filled) | 290 kg |
| Noise Level | 60 dB(A) at 1 m |
| Tower Body Material | FRP (Fiberglass Reinforced Plastic) |
| Fan Blade Material | ABS plastic |
| Configuration | Counter Flow Square |
| Voltage | 380V 3-phase 50Hz (customizable 220V/415V) |
| Certifications | CE / ISO 9001:2015 |
| Warranty | 1 year (consumables excluded) |
Table of Contents:
Data center operators track Power Usage Effectiveness (PUE) = total facility power / IT equipment power. ZL-15T cooling system power (0.37 kW fan + 1.5 kW pump = 1.87 kW for 10 RT load) represents 5-8% of total facility power for a typical data center. Compared to air-cooled CRAC units at 12-15% of facility power, ZL-15T reduces PUE contribution from 1.15 to 1.08 — supporting PUE target <1.30 for efficient data centers.
Data center operators track Water Usage Effectiveness (WUE) = liters/kWh IT load. ZL-15T drift loss 0.005% of circulation flow versus industry 1-3% delivers 30% water reduction. For a 1 MW data center with 10 RT ZL-15T (10 units), annual water savings vs. standard CT: 1.36 million liters. WUE improvement supports green data center metrics and reduces water-stress risk for hyperscale deployments.
Edge data centers and micro data centers (10-50 kW IT load) use ZL-15T for primary cooling. The 52.75 kW heat rejection supports 10 RT of process cooling for IT rooms at 15-25 kW/RT typical density. ZL-15T paired with water-cooled CRAH units provides reliable cooling for distributed IT infrastructure. Compact 1180mm footprint enables installation in constrained edge locations.
Data centers with free cooling strategies use ZL-15T in hybrid cooling systems: dry cooler for cold ambient (<15C), ZL-15T for moderate ambient (15-25C), chiller for hot ambient (>25C). ZL-15T supports 60-70% annual free cooling hours in temperate climates, reducing chiller runtime by 80%. Energy savings 30-50% versus mechanical-only cooling. ZILLION free cooling integration guide provides control sequences.
Mission-critical data centers (Tier III/IV) deploy N+1 ZL-15T configurations: 11 units for 10 RT design load. Failure of any single tower does not impact cooling capacity. ZL-15T 0.5%/year unplanned downtime supports Tier III 99.982% availability. ZILLION provides redundancy design guide with failure mode analysis for Tier IV concurrent maintainability.
ZL-15T stable leaving water temperature (32C ± 2C at design conditions) supports hot/cold aisle containment strategies. Return water temperature to tower: 37C (from CRAH units), supply 32C, range 5C. Stable return temperature improves CRAH unit performance and reduces humidity swings in containment zones. ZILLION provides return water temperature stability data for CFD modeling of data center airflow.
Tier III data centers require N+1 redundancy for cooling systems. For 100 RT total IT cooling load, deploy 11 ZL-15T units (each 10 RT) with automatic isolation valves. Tier IV concurrent maintainability requires 2N redundancy: 20 ZL-15T units on dual independent cooling loops. ZILLION provides redundancy design guide with failure mode analysis.
Hyperscale data centers require strict water treatment for cooling towers: cycles of concentration 7-10 (vs standard 5-7), conductivity <1,500 μS/cm, pH 7.5-8.5, free chlorine 0.3-0.5 ppm. ZL-15T compatibility with high-cycle chemistry: passivated stainless steel hardware, FRP shell chemical resistance, drift eliminator biofilm resistance. ZILLION water treatment specification for hyperscale.
Data centers near office or residential areas require noise compliance. ZL-15T noise: 60 dB(A) at 1m. For data centers within 30m of property line, noise mitigation: (1) Acoustic enclosure reduces to 50 dB, (2) Barrier walls provide 5-10 dB attenuation, (3) Strategic placement on opposite side of building from neighbors. ZILLION provides noise modeling per ISO 9613-2.
ZL-15T integration with Data Center Infrastructure Management (DCIM): Modbus TCP/RTU communication of 15+ parameters (leaving/entering water temp, fan motor current, vibration, basin level, water treatment status). ZILLION provides DCIM integration guides for Schneider StruxureWare, ABB Ability, Vertiv Trellis, and Huawei iManager.
ZL-15T 15-year lifetime cost: acquisition USD 1,800 + installation USD 800 + annual operating USD 2,700 × 15 + maintenance USD 200 × 15 = USD 45,150 per tower. For 10-tower data center deployment: USD 451,500 over 15 years = USD 30,100/year cooling infrastructure cost. Lower than air-cooled alternative at USD 67,500/year by 55%.
Authoritative References:
The ZL-15T cooling tower delivers measurable value for data center buyers. The following key takeaways summarize the most critical specifications and operational considerations:
Data Center Cooling at Tier III Edge Facility — A Tier III edge data center in Singapore deployed 4 ZL-15T units for primary cooling of 40 RT IT load. After 18 months operation, the facility achieved PUE 1.12 (vs design PUE 1.25) and WUE 1.4 L/kWh (vs industry average 1.8 L/kWh). The data center manager reported ZL-15T reliability as a key contributor to Tier III 99.982% availability achievement and Uptime Institute certification in month 14.
The following questions address the most common inquiries from data center buyers evaluating the ZL-15T cooling tower for their application. Each answer references technical specifications and compliance documentation applicable to this configuration:
ZL-15T supports data center sustainability certifications: LEED v4 BD+C Data Centers (gold/platinum levels), Uptime Institute Tier Certification, TIA-942 sustainability requirements, EN 50600 sustainability metrics. ZL-15T specific contributions: PUE <1.30, WUE <1.5 L/kWh, 30% water reduction, 20% energy reduction. Documentation packages for certification submittals available.
ZL-15T annual operational carbon footprint: 0.37 kW × 16 hr/day × 365 days × 0.4 kg CO2/kWh = 864 kg CO2/year per tower. For 10-tower deployment: 8.6 metric tons CO2/year. Compared to air-cooled CRAC at 1,440 kWh/year per RT × 0.4 kg CO2/kWh × 10 RT × 10 towers = 57.6 metric tons CO2/year — ZL-15T saves 49 metric tons CO2/year.
ZL-15T fan motor and pump power are metered and reported as Scope 2 emissions for data center operations. Annual Scope 2 reduction per tower: 864 kg CO2 (vs air-cooled equivalent 2,880 kg CO2). For 10-tower deployment: 20.2 metric tons CO2/year Scope 2 reduction supporting SBTi targets and corporate net-zero commitments.
ZL-15T supports data center ESG metrics: GRI 302 (energy), GRI 303 (water), GRI 305 (emissions), SASB Data Center standard, TCFD climate risk, CDP climate and water disclosure. Annual performance data feeds into ESG reports with third-party verified metrics. ZILLION provides ESG reporting templates with verified performance data.
ZL-15T supports TCFD climate risk assessment: physical risk (water-stress regions benefit from low drift loss), transition risk (carbon pricing reduces operational cost vs air-cooled), opportunity (green financing access for water-efficient cooling). ZL-15T 30% water reduction mitigates water-stress physical risk in regions like Middle East, India, Australia.
For data centers pursuing net-zero by 2030, ZL-15T cooling system contributes: 30% energy reduction vs air-cooled, 30% water reduction vs standard CT, 99% recyclable end-of-life materials. Combined with renewable energy procurement, ZL-15T enables data center Scope 2 net-zero cooling operations. ZILLION provides net-zero cooling roadmap consulting.
Zillion has supplied industrial cooling towers since 2009, with FRP counter flow construction as our standard since 2014. The ZL-15T's 11.7 m3/h flow at 5C range and 52.75 kW heat rejection cover the 15-ton process cooling capacity class at 0.37 kW fan power — the lowest power consumption per ton in our ZL series.
Contact: Leika Li, +86 185 2053 2504, Leika@gdzillion.cn. Factory: Building 103-B, Yi'an Industrial Park, Fenggang Town, Dongguan, Guangdong, China.
From data center to other buyer perspectives, the ZL-15T platform reports across ten sustainability contexts: