Sterling STT40, STT70 manual Assembly, Operation

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STT40 / STT70

2.1.1. Assembly

Compare the connected loads with those of the main power supply. Danger, electrical shock hazard!

When using lifting gear, please observe the pertaining regulations. Caution: Danger of accidents!

Do not modify, add other equipment or change the design of the equipment without the approval of the manufacturer. Caution: Danger of accidents!

Attachments not supplied by Sterling must be manufactured in accordance with safety regulation EN 294. Danger of accidents!

The equipment may only be operated when all the associated components are properly connected in accordance with the relevant regulations. This avoids injury and damage to equipment!

Operate the device only if all its components are grounded. Danger, electrical shock hazard!

Please note for installation that the equipment is top-heavy. Danger exists that it may topple over!

Take care that the device is not standing on the main power cable. This will prevent danger to people and material!

2.1.2. Operation

Appoint a foreman to be responsible for the equipment.

Ensure that the operating personnel are provided detailed instruction in the operation of the equipment. Improper operation results in danger of accidents!

When the main power switch is turned off for reasons pertaining to safety, it must be secured against unauthorized activation. Caution: Danger of accidents!

Repair work must be carried out by trained personnel only. Caution: Danger of accidents!

Never operate the equipment when partially dismantled! Danger! Limbs may be caught in machinery! Electric shock!

In case of malfunction, shut down the equipment immediately. Have malfunctions corrected immediately. Danger of accidents!

This machine is intended only for the drying of granulated plastics. Any other use is contrary to specifications.

This equipment is not suitable for food processing.

The safety instructions of any connected machines must be followed.

Please note that sound levels exceeding 85 db(A) may cause long term damage to your health. Use the appropriate ear muffs. This avoids impairment of hearing!

Please note that the drying cells, drying hoppers and piping grow hot during use. Avoid touching any of these parts! Danger: Injury through burns!

Never operate the dryer without side panels. Danger: Limbs may be caught in machinery! Injury through burns!

When drying plastics which emit gases dangerous to human health, take care that the regeneration exhaust air is disposed of without polluting the environment. This will prevent danger to people and material!

Safety instructions 2-3

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Contents STT70 Operation Instructions Dehumidified air dryer STT40STT40 / STT70 STT40 / STT70 Table of contents 10-5 General Information STT40 / STT70 Field of application Explanations and informationLegal basis Safety instructions General Operation AssemblyMaintenance For the safety of the device Start up Initial Operation Switching on the DryerPower signal lamp turns off Continuous Operation Switching the Dryer onFor operation with the optional timer clock Setting the Drying Temperature Autotuning the temperature controller Switching the Dryer off Error and error correction Hopper heater Following errors can cause an alarm BlowerRegeneration heater Maintenance STT40 / STT70 System model # Serial # Every week Maintenance scheduleServicing Process Air Filters Preventative MaintenanceRecommendations for Cleaning and Replacing Filters STT40 / STT70 Cleaning or Replacing the Return Air FilterServicing the Dew Point Monitor Symptoms of Worn Desiccant Corrective MaintenanceRemove Hose Clamps Replacing Worn DesiccantRequired Desiccant Amounts Disposing of Drying AgentsReplacing the Process Heater Remove Clamp Process Heater ProceduresCooling Coil Location Replacing/Cleaning the Cooling CoilsHeating Coil Replacing the regeneration heating coilCleaning the Drying Hopper STT 60 STTFunctional description General Information ➅ ➄ Read the timer clock operating manual Drying Hopper Drying Hopper OptionalHopper Heater Temperature controllerContact information Default Settings for Jumo TEMP. ControllerReturn Air Cooler Optional Connection to a Pneumatic Conveying System OptionalTransporting, Assembly and Storage Transporting and Packing Storage AssemblyAssembly instructions Grounding the equipment Grounding the equipment against electrostatic chargingElectrical Connection STT70 Connection of Return Air Cooler OptionalIntroduction TroubleshootingSTT40 / STT70 Check resin manufacturer’s data Using a Platinum Resistance Thermometer Determining Temperature Controller Errors or Sensor ErrorsUsing a Thermocouple Return Air Cooler optional Technical dataSTT40 STT70Dimension Sheet Spare parts list Pos ID-number Description STT40STT70 Operating unit Pos ID-number Description Control unit STT70 Control unit STT40Electrical manual Accessories Parameter Parameter set Basic temperature controller settings STT40Code Basic temperature controller settings STT70 For STT 40 Dryer Quick Start GuidesPosition O On without timerOn with timer Arrow up Set PointArrow down Process Display LED Status LED Ramp/Program Page Proper Shut-down Guide for STT 40 Dryer Heater Connection Thermocouple Main power High Temp SafetyQuick Start Guide for STT 70 Dryer Exit Page Proper Shut-down Guide for STT 40 Dryer Parts Department

STT40, STT70 specifications

The Sterling STT40 and STT70 are one of the most noteworthy entries in the landscape of compact, high-performance generators, designed to serve a variety of applications in both residential and commercial settings. Built with cutting-edge technology, these models exhibit durability and reliability, ensuring that power needs are met efficiently.

The Sterling STT40 is a robust 40 kW generator that is ideal for small businesses, remote sites, and residential backup power. It features a high-quality diesel engine, providing fuel efficiency along with impressive power output. The generator incorporates a fully automatic transfer switch (ATS), which ensures seamless power transition during outages. With an IP54 rating, it offers excellent protection against dust and water, making it suitable for outdoor use in diverse environments.

In contrast, the Sterling STT70 boasts a greater power output of 70 kW, making it suited for larger commercial applications or industrial uses. Similar to the STT40, the STT70 is equipped with a top-tier diesel engine that delivers optimal performance and longevity. Its heavy-duty construction allows it to operate efficiently under strenuous conditions. The STT70 also features advanced cooling systems and a sound-attenuated enclosure, which minimizes operational noise, making it a perfect choice for noise-sensitive situations.

Both models utilize innovative technologies to enhance user experience and operational efficiency. An intuitive digital control panel simplifies monitoring and management, providing real-time data on voltage, current, and frequency. This allows users to make informed decisions about power usage and maintenance needs. Additionally, remote monitoring capabilities enable owners to oversee generator performance from virtually anywhere, maximizing uptime.

Safety is another key aspect of both generator models. They are equipped with automatic shutdown features that activate in the event of low oil pressure or overheating, minimizing the risk of damage and ensuring safety during operation.

In summary, the Sterling STT40 and STT70 generators stand out in the market due to their reliability, advanced technology, and robust safety features. They are perfect for anyone seeking dependable power solutions, whether for residential, business, or industrial needs. With their combination of power efficiency and durability, they remain top contenders in the generator space.
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