Temptek Water Chiller vs Sterling SMC Series Which One Should You Choose - www.completeplastics.com

Choosing the right water chiller for your industrial or manufacturing process can be challenging. Two popular options are the Temptek Water Chiller Portable 2 Ton Air-Cooled model CG-2A and the Sterling SMC Series Packaged Chiller. Both offer reliable cooling solutions but differ in design, features, and application suitability. This post compares these two chillers to help you decide which fits your needs best.

Temptek Water Chiller Portable 2 Ton Air-Cooled unit in an industrial setting

Cooling Capacity and Performance - Temptek Water Chiller

The Temptek CG-2A model provides a cooling capacity of 2 tons, equivalent to 7.0 kW. It uses a single 2 HP scroll compressor and an air-cooled condenser with a fan delivering 2,000 CFM airflow. The unit is designed to operate efficiently at ambient temperatures up to 95°F, making it suitable for warmer environments.

The Sterling SMC Series chillers are engineered for small, demanding industrial applications. While specific cooling capacities vary by model, these units focus on delivering clean, cooling water at constant temperatures with tight control within +/- 2°F (1.1°C). This precision is achieved through microprocessor-based PID controls with autotuning, ideal for processes requiring stable temperature management.

Key points:

• Temptek CG-2A offers solid 2-ton cooling with scroll compressor efficiency.

• Sterling SMC Series excels in precise temperature control with PID systems.

• Both units use air-cooled condensers, reducing water usage and maintenance.

  
  

Design and Construction

Temptek’s CG-2A features a stainless steel centrifugal process pump with 3/4 HP, 4.8 GPM flow, and 32 PSI pressure. The reservoir holds 7.5 gallons, with optional automatic makeup water. The unit measures 32.5" high, 37" wide, and 24" deep, weighing 415 lbs for portability.

Sterling’s SMC Series chillers are self-contained and packaged for immediate hook-up. They have a compact footprint of 20” wide by 26” deep, saving valuable floor space. The units include non-ferrous wetted surfaces to resist corrosion and NEMA 1-style electrical enclosures for safety.

Highlights:

• Temptek’s larger reservoir and pump support moderate flow rates and pressure.

• Sterling’s compact design suits tight spaces and quick installation.

• Both chillers use durable materials suited for industrial environments.

  
  

Refrigerant and Environmental Impact

The Temptek CG-2A uses R-513A refrigerant, which has a low global warming potential and does not deplete the ozone layer. This aligns with modern environmental standards and regulations.

Sterling’s SMC Series uses R-410A refrigerant, also non-ozone depleting with a relatively low environmental impact. Both refrigerants support efficient cooling performance while minimizing ecological footprint.

Considerations:

• Both chillers use environmentally friendly refrigerants.

• R-513A in Temptek may offer slightly better global warming impact.

• Choosing a chiller with modern refrigerants supports sustainability goals.

  
  

Control Systems and Ease of Use

Temptek’s unit includes a microprocessor-controlled system with a 50% hot gas bypass capacity control, suction and discharge service valves, and fan-induced airflow. These features help maintain stable operation and simplify maintenance.

Sterling’s SMC Series stands out with its microprocessor-based PID controls featuring autotuning capability. This allows the chiller to maintain temperature within a narrow range, essential for processes sensitive to temperature fluctuations.

Summary:

• Temptek offers reliable control with hot gas bypass and service valves.

• Sterling provides advanced PID control for precise temperature stability.

• Both units are designed for ease of operation and maintenance.

  
  

Application Suitability

Temptek’s CG-2A is ideal for applications needing a portable, robust chiller with moderate flow and pressure. Its size and weight make it suitable for facilities requiring mobility or occasional relocation.

Sterling’s SMC Series is better suited for small industrial processes demanding tight temperature control and a compact footprint. Its quick hook-up design supports fast deployment in space-limited environments.

Examples:

• Temptek: Cooling injection molding machines, portable lab equipment, or small production lines.

• Sterling: Temperature-sensitive chemical processes, medical device manufacturing, or electronics cooling.

  
  

Energy Consumption and Electrical Requirements

The Temptek CG-2A runs on 230/3/60 volts drawing 23 amps or 460/3/60 volts drawing 12 amps at full load. This dual voltage option offers flexibility depending on your facility’s power supply.

Sterling’s SMC Series electrical specifications vary by model but typically include NEMA 1 enclosures and standard industrial power requirements. The focus is on safe, reliable operation with minimal downtime.

Points to note:

• Temptek’s dual voltage options accommodate different electrical setups.

• Sterling emphasizes safety and compliance with electrical standards.

• Both chillers aim to balance power use with cooling efficiency.

  
  

Maintenance and Support

Both chillers are designed for ease of maintenance. Temptek’s service valves and accessible components simplify routine checks and repairs. Sterling’s non-ferrous wetted surfaces reduce corrosion risks, extending component life.

For support, contacting suppliers like Complete Plastics (www.completeplastics.com) can provide technical assistance, spare parts, and service options for both brands.

Final Thoughts on Choosing Between Temptek and Sterling

Choosing between the Temptek Water Chiller Portable 2 Ton Air-Cooled CG-2A and the Sterling SMC Series depends on your specific cooling needs:

• Choose Temptek CG-2A if you need a portable, moderately powerful chiller with flexible voltage options and a larger reservoir.

• Choose Sterling SMC Series if your process demands precise temperature control, a compact footprint, and quick installation.

  
  

Both chillers use environmentally friendly refrigerants and offer reliable performance. Consider your space constraints, temperature control requirements, and mobility needs to make the best choice.

For more detailed specifications and purchasing options, visit Complete Plastics.