ZL-10T 10 Ton Industrial FRP Counter Flow Cooling Tower for Maintenance Technician
The ZL-10T cooling tower is designed, manufactured, and tested in accordance with the following authoritative standards supporting Maintenance Technician applications:
The ZL-10T is one of 10 active ZL-10T configurations covering Maintenance Technician 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-10T |
| Cooling Capacity | 10 RT (35.2 kW heat rejection) |
| Water Flow Rate | 7.81 m3/h (130 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 | 85 CMM (50,920 m3/h) |
| Head Loss at Design Flow | 13 kPa |
| Tower Dimensions (H x D) | 1820 x 940 mm |
| Dry Weight | 46 kg |
| Operating Weight (filled) | 190 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:
Maintenance technicians servicing ZL-10T follow a structured 12-hour annual maintenance schedule: weekly 15-minute water treatment check, monthly 30-minute visual inspection, quarterly 1-hour drift eliminator inspection, semi-annual 2-hour bearing/vibration check, annual 4-hour full shutdown inspection. Total annual technician time per tower: ~40 hours. ZILLION provides digital maintenance log templates compatible with CMMS systems.
ZL-10T water chemistry targets: pH 7.0-8.5, conductivity <2,500 μS/cm, total dissolved solids <1,500 ppm, cycles of concentration 5-7, free chlorine residual 0.5-1.0 ppm. Maintenance technicians test water weekly using test kits and adjust chemical feed accordingly. Biocide rotation (oxidizing + non-oxidizing) prevents Legionella and biofilm. ZILLION water chemistry guide provides target ranges and troubleshooting.
ZL-10T fan motor (0.37 kW) features sealed bearings rated 50,000 hours MTBF (5-7 years continuous operation). Maintenance technicians perform quarterly infrared temperature scan (target <80°C bearing housing). Motor replacement requires 30 minutes: 4 bolts, electrical disconnect, lift out. Spare motor recommended for plants with >10 ZL-10T units. Motor is standard IEC frame for off-the-shelf replacement.
The ZL-10T PVC drift eliminator limits water loss to <0.005% of circulation flow. Maintenance technicians inspect eliminators quarterly for: visible scale buildup, biological fouling, mechanical damage, PVC deformation. Cleaning protocol: low-pressure water rinse, soft brush for stubborn deposits, biocide soak if biological fouling present. Replace eliminators every 5-7 years or when drift rate exceeds 0.01%.
ZL-10T uses PVC film fill optimized for 35.2 kW heat rejection at 7.81 m3/h flow. Maintenance technicians inspect fill annually during shutdown: check for scaling, biological fouling, mechanical damage. Cleaning protocol: high-pressure water jet, descaling chemical soak if scale present, biocide treatment if biological fouling. Replace fill if >20% of fill area is fouled or mechanically damaged.
For plants operating ZL-10T in cold climates (below -5C ambient), maintenance technicians execute winterization protocol: drain basin and piping when tower is offline, install immersion heater in basin (optional accessory), add glycol to circulating water (optional for partial freeze protection), operate fan intermittently to prevent ice formation. ZILLION winter operation guide provides detailed procedures.
Maintenance technicians test ZL-10T water weekly: pH (target 7.0-8.5), conductivity (target <2,500 μS/cm), free chlorine residual (0.5-1.0 ppm). Comprehensive water analysis (TDS, hardness, alkalinity, microbiological count) is performed monthly by site lab or external service. Records kept per ASHRAE 188 water management plan requirements.
For plants with 1-5 ZL-10T units: no spare parts inventory required (ZILLION 5-day spare parts shipping). For 6-20 units: stock 1 fan motor, 1 set bearings, 5 m2 drift eliminator material, 5 L water treatment chemicals. For 20+ units: dedicated spare parts kit per shift maintenance team. ZILLION provides spare parts lists with OEM part numbers.
Low cooling performance troubleshooting: (1) Check fan operation (rotation direction, motor current); (2) Check water flow rate (design 7.81 m3/h); (3) Check water distribution (no clogged nozzles); (4) Check fill condition (no scaling/fouling); (5) Check drift eliminator (no blockage); (6) Check ambient wet-bulb (capacity derates above design 27C). ZILLION troubleshooting guide provides detailed diagnostic flowcharts.
Annual shutdown (4 hours per tower): (1) Drain basin and piping; (2) Inspect basin for sediment, biological growth; (3) Inspect fill media; (4) Inspect drift eliminators; (5) Inspect fan assembly (blades, hub, motor); (6) Check electrical connections; (7) Test water treatment system; (8) Refill and recommission per OEM procedure. Document all findings in CMMS.
Predictive maintenance techniques for ZL-10T fan motor: (1) Infrared temperature scan quarterly (bearing housing target <80C); (2) Vibration analysis semi-annually (target <4.5 mm/s RMS per ISO 10816-3); (3) Motor current monitoring (target 0.37 kW at design); (4) Acoustic monitoring (listen for bearing noise changes). Replace motor when temperature >85C or vibration >7.1 mm/s RMS.
Authoritative References:
The ZL-10T cooling tower delivers measurable value for maintenance technician buyers. The following key takeaways summarize the most critical specifications and operational considerations:
Maintenance Technician Predictive Service at 12-Tower Facility — A maintenance technician team managing 12 ZL-10T units implemented predictive maintenance using vibration analysis and infrared thermography. Over 24 months, unplanned downtime dropped 78% (from 4.2 events/year to 0.9 events/year) and maintenance cost per tower dropped 32% (from USD 280/year to USD 190/year). The technician team reported the ZL-10T as the most predictable cooling tower platform they had serviced, citing the sealed-bearing motor design and standardized FRP construction as key reliability contributors.
The following questions address the most common inquiries from maintenance technician buyers evaluating the ZL-10T cooling tower for their application. Each answer references technical specifications and compliance documentation applicable to this configuration:
ZL-10T FRP shell is compatible with standard cooling tower water treatment chemicals: chlorine (up to 5 ppm free residual), bromine (up to 3 ppm), isothiazolone biocides (per manufacturer dose), polyphosphate scale inhibitors, polymaleic acid dispersants. Avoid strong oxidizers >10 ppm and aromatic solvents. ZILLION chemical compatibility guide provides detailed lists.
ZL-10T water management supports ASHRAE 188 Legionellosis compliance through: documented water treatment program, weekly biocide residual testing, monthly microbiological analysis, quarterly system validation, annual water management plan review. ZILLION provides ASHRAE 188 compliance documentation templates.
ASHRAE 188 recommends Legionella testing quarterly for cooling towers. ZL-10T maintenance technicians collect water samples and submit to certified lab for Legionella pneumophila analysis. Target: <10 CFU/mL (action level), <1 CFU/mL (goal). ZILLION provides sample collection protocol and certified lab network.
ZL-10T water treatment chemicals follow standard industrial wastewater disposal protocols. Spent biocide solutions require neutralization before discharge. ZILLION provides Safety Data Sheets (SDS) for all recommended chemicals with disposal instructions per local regulations (US EPA RCRA, EU REACH, China MEE Order 60).
ZL-10T maintenance PPE: safety glasses, chemical-resistant gloves, closed-toe shoes, hearing protection (if motor running). For biocide handling: face shield, chemical apron, respirator per chemical SDS. ZILLION maintenance safety guide provides PPE requirements per maintenance task per OSHA 29 CFR 1910.132.
ZL-10T maintenance documentation supports OSHA, NFPA, and ASHRAE safety audit compliance: lockout/tagout (LOTO) procedures per OSHA 29 CFR 1910.147, confined space entry per OSHA 29 CFR 1910.146 (basin entry), electrical safety per NFPA 70E. ZILLION provides safety audit templates and training materials.
Zillion has supplied industrial cooling towers since 2009, with FRP counter flow construction as our standard since 2014. The ZL-10T's 7.81 m3/h flow at 5C range and 35.2 kW heat rejection cover the 10-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 maintenance technician to other buyer perspectives, the ZL-10T platform reports across ten sustainability contexts:
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Overview The ZL-10T is a 10-ton (35.2 kW) industrial FRP counter flow cooling tower purpose-built for cfo procurement applications. ZILLION engineered this 10-ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life in compact industrial installations. Key Specifications Cooling capacity: 35.2 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h (130 L/min) design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW (0.5 HP) at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long service life ABS plastic fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow square configuration for maximum heat transfer efficiency Low-drift eliminator reduces water loss to 0.01 percent of circulation Applications Factory direct pricing EXW Dongguan with T/T, L/C, Western Union payment terms. 1-year warranty and bulk discount at 5/10/20 unit tiers. Lowest capacity entry point for ZILLION counter flow cooling tower line. Total cost of ownership over 10-year lifecycle shows 18 percent lower annual cooling energy cost versus adiabatic systems. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, thermal performance curves, technical specifications, and bulk discount tiers for your project requirements.
Overview The ZL-10T is a 10-ton (35.2 kW) industrial FRP counter flow cooling tower purpose-built for hvac epc contractor applications. ZILLION engineered this 10-ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life in compact industrial installations. Key Specifications Cooling capacity: 35.2 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h (130 L/min) design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW (0.5 HP) at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long service life ABS plastic fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow square configuration for maximum heat transfer efficiency Low-drift eliminator reduces water loss to 0.01 percent of circulation Applications IP55 Class F insulation, CE ISO 9001:2015 certified for small HVAC chiller condenser water loop integration. Compact 1820 x 940 mm footprint fits standard equipment room layouts. Submittal package: thermal performance curve, dimensional drawing, electrical schematic, O&M manual. Project delivery 15-25 days for bulk orders. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, thermal performance curves, technical specifications, and bulk discount tiers for your project requirements.
Overview The ZL-10T is a 10-ton (35.2 kW) industrial FRP counter flow cooling tower purpose-built for engineering specifications applications. ZILLION engineered this 10-ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life in compact industrial installations. Key Specifications Cooling capacity: 35.2 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h (130 L/min) design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW (0.5 HP) at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long service life ABS plastic fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow square configuration for maximum heat transfer efficiency Low-drift eliminator reduces water loss to 0.01 percent of circulation Applications 5 deg C wet-bulb approach at 27 deg C design condition for engineering specifications. CTI STD-201 thermal performance certification available. Fan curve data and Reynolds number analysis included with quotation package. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, thermal performance curves, technical specifications, and bulk discount tiers for your project requirements.
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