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Stefani Spa
ZEFIRO DUAL DISCHARGE AIR COOLER

ZEFIRO DUAL DISCHARGE AIR COOLER

Product catalog summary

Overview: The ZEFIRO Dual Discharge Air Cooler is engineered for refrigeration applications, particularly in environments requiring dual air flow. It offers models with capacities ranging from 1 to 55 kW, featuring high-efficiency tubes and fins.

Specifications: Available in 153 models and 459 versions, the air cooler supports synthetic refrigerants, brine, and CO2. It includes a pre-painted aluminum casing for durability and increased coil thickness, optimized with low-speed fans and an efficient plenum design.

Design and Construction: Ceiling-mounted for easy sanitation, the ZEFIRO includes a hinged casing, aluminum casing, and drain connections. Accessories include EC fan motors, AISI 304 casing, insulated trays, and cataphoresis coil treatment for corrosion resistance.

Performance and Efficiency: The air cooler offers top market performance in kW/lt and kW/W, with low-speed fans for comfortable working conditions. It features easy access and efficient drainage with an internal drain tray.

Configurations and Options: The ZEFIRO range includes configurations with options for after-heating, pre-painted fins, coil cathode treatment, and EC fans. Defrost options include air, electric, and water defrost.

Technical Data: Detailed technical data is provided for different models, including fan size, fin spacing, capacity, air flow, sound pressure, and defrosting power. Models vary in fan diameters (250 mm, 315 mm, 350 mm, 450 mm) and fin spacings (3 mm, 4.5 mm, 7 mm).

Applications: Suitable for various refrigeration applications, the ZEFIRO air cooler offers reliability and energy efficiency with EC fan technology and maximum corrosion resistance.

Performance Data: Performance details include cooling capacity, surface area, air flow, sound pressure level, fan specifications, power consumption, current, air throw, defrosting power, volume, and weight. Inlet and outlet diameters are specified.

Model Variations: Multiple configurations are available for each model, affecting performance characteristics based on fin spacings and pole numbers.

Key Observations: Designed for high efficiency and flexibility, the air coolers allow precise selection based on cooling requirements and environmental conditions.

Contact Information: Stefani Spa is located in Castegnero, Italy, and can be contacted via phone or their website for further information.

Catalog excerpts

ZEFIRO DUAL DISCHARGE AIR COOLER

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ZEFIRO DUAL DISCHARGE AIR COOLER ZEFIRO is the dual discharge air cooler for refrigeration applications, especially for processing rooms or environments that require a double flow of air.

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DUAL DISCHARGE AIR COOLER FLUIDS AVAILABLE SYNTHETIC REFRIGERANTS BRINE CO2 REFRIGERANT CHARGE COMPARED TO MARKET REFERENCE increased thickness high-efficiency rippled tube increased thickness high-efficiency louvered fins

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kW/lt and kW/W performance at the top of the market. Increased thicknesses in the coil without compromising on material quality. Optimized plenum to optimize the air fluid dynamic efficiency. Pre-painted aluminium 15/10 metal casing for excellent solidity. Comfortable working conditions thanks to low speed fans. Great accessibility with internal inner drain tray sized for efficient drainag. © 2016 Stefani Spa. Data and images are indicative and may be changed in any time without notice.

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DUAL DISCHARGE AIR COOLER Reliability With increased thicknesses and aluminum endplates. Cooler for processing room Aluminum casing and drain connections Fitted to the ceiling design. Machine easy to sanitise Thanks to hinged casing. EC fan motors AISI 304 casing Insulated double dip tray Cataphoresis coil treatment EC fan technolgy to increase significantly energy saving © 2016 Stefani Spa. Data and images are indicative and may be changed in any time without notice. Maximum corrosion resistance with cataph

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SELECTION CODE Machine height (slim) 3 fin spacing dual discharge air cooler H = direct expansion | C = CO2 dx | W = brine A = air defrost | E = electric defrost W = water defrost AC = AC motor | EC = electronic motor electric motor poles S = single phase | D = three phase high speed Y = three phase slow speed CONFIGURATIONS RANGE STANDARD ELECTRIC ACCESSORIES AFTER HEATING COIL CATHODE TREATMENT INSULATED DOUBLE DIP TRAY EASY ACCESS ELECTRIC WIRING ZEFIRO 31 ZEFIRO 35 ZEFIRO 45 © 2016 Stefani Spa. Data and images are indicative and may be changed in any time without no

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ZEFIRO H 25 Dual discharge air cooler SOUND PRESSURE N° FANS FAN SPEED x DIAMETER DEFROSTING POWER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER Nr. x Ø mm SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER Nr. x Ø mm SC2: Tc=0°C, UR 85%, Tev=-8°C, R404A SC3: Tc=-18°C, UR 95%, Tev=-25°C, R404A © 2016 Stefani Spa. Data and images are indicative and may be changed in any tim

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ZEFIRO H 31 Dual discharge air cooler SOUND PRESSURE N° FANS FAN SPEED x DIAMETER DEFROSTING POWER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER SC2: Tc=0°C, UR 85%, Tev=-8°C, R404A SC3: Tc=-18°C, UR 95%, Tev=-25°C, R404A © 2016 Stefani Spa. Data and images are indicative and may be changed in any time

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ZEFIRO H 35 Dual discharge air cooler SOUND PRESSURE N° FANS FAN SPEED x DIAMETER DEFROSTING POWER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER SC2: Tc=0°C, UR 85%, Tev=-8°C, R404A SC3: Tc=-18°C, UR 95%, Tev=-25°C, R404A © 2016 Stefani Spa. Data and images are indicative and may be changed in any time

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ZEFIRO H 45 Dual discharge air cooler SOUND PRESSURE N° FANS FAN SPEED x DIAMETER DEFROSTING POWER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER Nr. x Ø mm SC2: Tc=0°C, UR 85%, Tev=-8°C, R404A SC3: Tc=-18°C, UR 95%, Tev=-25°C, R404A © 2016 Stefani Spa. Data and images are indicative and may be changed in any time

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ZEFIRO H 45 Dual discharge air cooler SOUND PRESSURE N° FANS FAN SPEED x DIAMETER DEFROSTING POWER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER SOUND PRESSURE DEFROSTING POWER N° FANS FAN SPEED x DIAMETER No. x Ø mm SC2: Tc=0°C, UR 85%, Tev=-8°C, R404A SC3: Tc=-18°C, UR 95%, Tev=-25°C, R404A © 2016 Stefani Spa. Data and images are indicative and may be changed in any time

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ZEFIRO DUAL DISCHARGE AIR COOLER

ZEFIRO DUAL DISCHARGE AIR COOLER

Catalog excerpts

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