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Control device Product List

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Power Saving System E-BRACE L Series

Power Saving System E-BRACE L Series

[Case Study Collection Gift] Low Cost, Lightweight, Compact Inverter Control Power Saving System

Are you overlooking something? Equipment that can be controlled by an inverter. Please consider the next step for "cost reduction measures" and "global warming measures." Since it is low-cost, even small motors that you may have given up on have excellent cost-effectiveness. Being lightweight and compact, it can be installed in tight spaces, leading to reduced installation costs. We have already implemented measures for lighting and heat sources, so if you are struggling with next year's plans, please consider this. Right now, we are offering a collection of case studies as a gift. Please take this opportunity to apply! For more details, please contact us or download the catalog.

  • Power distribution and control panels

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Improvement Case 1 [Accommodation Facility] Stabilization of Hot Water Pump Temperature

Improvement Case 1 [Accommodation Facility] Stabilization of Hot Water Pump Temperature

Resolved 0 complaints from 5 to 6 per month. The discharge amount (temperature) during shower use is stable.

We addressed the issue of unstable hot water temperature during peak shower usage times in guest rooms by adding control to maintain a constant discharge pressure with an inverter. This allows us to consistently supply showers with stable temperatures to the guest rooms. 【Features】 ○ Control Method: Pressure Control ○ Target Equipment: Oil Supply Booster Pump (7.5kW) For more details, please contact us or download the catalog.

  • pump
  • Water supply facilities
  • Power distribution and control panels

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Improvement Case 2 [Office Building] Stopping the Cooling Fan Belt Noise

Improvement Case 2 [Office Building] Stopping the Cooling Fan Belt Noise

The inverter enables smooth acceleration, eliminating belt squeaking at startup and extending lifespan.

When the cooling fan starts, the belt that drives it slips, causing a squeaking noise as it rubs against the pulley. Due to its installation on the roof, complaints have arisen from nearby apartments. Because the fan turns on and off dozens of times a day depending on the set temperature, there are many complaints, and the belt also experiences significant wear. This issue has been improved by implementing gentle acceleration through an inverter, which eliminates the belt squeak and extends its lifespan. 【Features】 ○ Control method: Gentle acceleration operation using an inverter ○ Target equipment: Cooling fan (for air-cooled heat pump chiller) (5.5kW × 2 units) For more details, please contact us or download the catalog.

  • Automatic Control Equipment
  • Power distribution and control panels
  • Refrigeration units, boilers, cooling towers

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Update Case 3: Accommodation Facilities - Operational Improvement, Continuous Operation Measures, and Simplification of Frequency Switching

Update Case 3: Accommodation Facilities - Operational Improvement, Continuous Operation Measures, and Simplification of Frequency Switching

Simplification of frequency variable operation according to seasons and busy periods.

Before the update, when a problem occurred, the equipment would stop, and operations could not continue. The equipment manager adjusted the frequency using the up and down keys on the inverter while monitoring the operating conditions. After the update, in the event of an inverter malfunction, it automatically switches to commercial operation, allowing the equipment to continue running. A manual four-speed switch has been installed, making it easier to adjust the frequency to any desired level according to the season or busy periods. 【Features】 ○ Installation of a manual four-speed switch for simplified switching operations ○ Target equipment: Inverter for ventilation fans (400V/7.5kW) For more details, please contact us or download the catalog.

  • Automatic Control Equipment
  • Power distribution and control panels

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Case Study: Pump 1 [Public Facility] Inverterization of Chilled and Hot Water Pump

Case Study: Pump 1 [Public Facility] Inverterization of Chilled and Hot Water Pump

Perform inverter operation to drive the pump with high efficiency and save electricity.

To adjust the flow, the valve that was partially closed was opened, and by regulating the flow with an inverter, significant power savings were achieved. The inverter operates at the optimal and minimum frequency based on signals from pressure sensors and flow sensors, driving the pump with high efficiency for energy conservation. To prevent the loss of flow that cannot be reduced by the inverter during low demand periods, bypass valve control is also used. 【Features】 ○ Control Method: The rotation speed of the pump motor is controlled by the inverter using pressure sensors and flow sensors. ○ Target Equipment: Absorption chiller/heater 　　　　　 Secondary chilled/heated water pumps (11.0 kW) × 2 units For more details, please contact us or download the catalog.

  • Piping and insulation
  • Power distribution and control panels
  • District heating and cooling/heat source system

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Case Study: Pump 3 [Hospitals and Care Facilities] Inverterization of Chilled and Hot Water Pumps

Case Study: Pump 3 [Hospitals and Care Facilities] Inverterization of Chilled and Hot Water Pumps

Control the required flow rate with an inverter using a temperature sensor to reduce power consumption.

Control the required flow rate with an inverter based on the temperature difference at the inlet and outlet of the absorption chiller, significantly reducing power consumption during light load conditions. By alternating the operation of two pumps controlled by a single inverter, we reduce installation costs. 【Features】 ○ Control Method: Temperature Control ○ Target Equipment: Air-Cooled Heat Pump Chiller Chilled and Hot Water Pumps (11.0 kW × 2 alternating switch type) For more details, please contact us or download the catalog.

  • Power distribution and control panels
  • District heating and cooling/heat source system
  • Refrigeration units, boilers, cooling towers

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Case Study: Air Blower 8 [Office Building] - Inverterization of Supply and Exhaust Fans

Case Study: Air Blower 8 [Office Building] - Inverterization of Supply and Exhaust Fans

Significant power reduction by controlling motor speed during off-peak hours.

The carbon monoxide concentration sensor installed in the exhaust duct controls the rotation speed of the supply fan motor and the exhaust fan motor using inverter control. By controlling the motor speed during off-peak hours, significant power savings can be achieved. 【Features】 ○ Control Method: Inverter control of fan motor speed using a carbon monoxide concentration sensor ○ Target Equipment: Underground parking supply fan (7.5kW), 　　　　　　Underground parking exhaust fan (7.5kW) For more details, please contact us or download the catalog.

  • Automatic Control Equipment
  • Air compressors, blowers and pumps
  • Power distribution and control panels

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Case Study 5 [Commercial Facility] Operational Improvement (Improvement of Energy Saving Rate through Automated Control)

Case Study 5 [Commercial Facility] Operational Improvement (Improvement of Energy Saving Rate through Automated Control)

Added variable speed control based on temperature and carbon dioxide concentration. Improved average energy-saving rate to over 60%.

Before the update, the machine room was located far away, making it almost impossible to adjust the frequency using an inverter. After the update, we improved the average energy-saving rate to over 60% by using temperature sensors and carbon dioxide concentration sensors to control the fan motor with an inverter. 【Features】 ○ Inverter control of the fan motor's rotation speed using temperature sensors and carbon dioxide concentration sensors ○ Target equipment: Inverters for air conditioning units and exhaust fans (400V/30.0kW, 18.5kW) For more details, please contact us or download the catalog.

  • Automatic Control Equipment
  • Power distribution and control panels

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Case Study: Pump 2 [Commercial Facility] Inverterization of Cooling Water Pump

Case Study: Pump 2 [Commercial Facility] Inverterization of Cooling Water Pump

Monitor the temperature of the cooling water outlet and further reduce power consumption through inverter control except during the peak summer daytime.

The flow rate sent to the cold water pump was adjusted by throttling the valve, but significant reductions in power consumption were achieved by controlling it with an inverter. By monitoring the temperature at the cooling water outlet with a temperature sensor, the pump motor's rotation speed can be controlled by the inverter, allowing for further energy savings except during the peak summer daytime. 【Features】 ○ Control Method: Pump motor rotation speed controlled by inverter using a temperature sensor ○ Target Equipment: Absorption chiller 　　　　　　Cooling water pump (200V/55.0kW) For more details, please contact us or download the catalog.

  • Power distribution and control panels
  • District heating and cooling/heat source system
  • Refrigeration units, boilers, cooling towers

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Case Study: Pump 4 [Condominium] Inverterization of Chilled and Hot Water Pumps

Case Study: Pump 4 [Condominium] Inverterization of Chilled and Hot Water Pumps

It is possible to convert pumps to inverters at a low cost.

By opening the valve and adjusting the inverter to the same flow rate as before, power consumption is reduced. Since control is not performed using sensors for temperature, pressure, or flow rate, it can be implemented at a low cost. Five inverters are compactly installed on one panel. 【Features】 ○ Control Method: Fixed frequency (constant flow) control ○ Target Equipment: Absorption chiller/heater Primary chilled and hot water pump (2.2kW × 2 units), Secondary chilled and hot water pump (3.7kW × 3 units) For more details, please contact us or download the catalog.

  • Piping and insulation
  • Power distribution and control panels
  • District heating and cooling/heat source system

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Case Study: Pump 5 [Commercial Facility] Inverterization of Chilled Water Pump

Case Study: Pump 5 [Commercial Facility] Inverterization of Chilled Water Pump

By using a temperature sensor in conjunction, further power reduction is achieved through inverter control.

By opening the valve and adjusting the inverter to the same flow rate as before, we reduce the power consumption of the pump. By combining temperature control and variable control of the inverter frequency, we implement further energy savings. Additionally, by using compressor current control for the turbo chiller itself, we prevent overload due to insufficient cooling water. 【Features】 ○ Control Method: Using temperature sensors to control the pump motor speed with the inverter ○ Target Equipment: Turbo chiller 　　　　　　Cooling water pump (75.0 kW), Chilled water primary pump (55.0 kW) For more details, please contact us or download the catalog.

  • Piping and insulation
  • Power distribution and control panels
  • Refrigeration units, boilers, cooling towers

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Case Study: Pump 7 [Sports Facility] - Inverterization of Filtration Pump

Case Study: Pump 7 [Sports Facility] - Inverterization of Filtration Pump

Inverter control considering the backwashing operation of the filtration device and the number of circulation cycles (turns).

We will implement a scheduled operation where the speed is high during business hours and low outside of business hours (such as at night or on closed days). To maintain water quality, we will use inverter control that takes into account backwashing and circulation frequency (turns). We will use a low-cost inverter panel (EBL series) to shorten the investment recovery period. 【Features】 ○ Control methods: Time schedule control, temperature control, manual step speed control ○ Target equipment: Pool filtration pump (5.5kW) For more details, please contact us or download the catalog.

  • Pool equipment related
  • Sports related facilities
  • Power distribution and control panels

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Case Study: Fan 4 [Office Building] - Inverter Conversion of Cooling Tower Fan

Case Study: Fan 4 [Office Building] - Inverter Conversion of Cooling Tower Fan

Eliminating abnormal noise caused by fan belt slippage at startup with gentle acceleration of the inverter.

The gentle acceleration of the inverter eliminates abnormal noises caused by fan belt slippage at startup (noise reduction effect). By adding rotational control via the inverter to the start-stop control method using temperature sensors, significant power savings are achieved. Controlling three motors with one 18.5kW inverter helps to reduce manufacturing and installation costs. 【Features】 ○ Control Method: Inverter control of fan motor speed using temperature sensors ○ Target Equipment: Absorption chiller/heater Cooling tower fans (5.5kW) × 3 units For more details, please contact us or download the catalog.

  • Air compressors, blowers and pumps
  • Power distribution and control panels
  • Refrigeration units, boilers, cooling towers

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Case Study: Fan 7 [Commercial Facility] Inverterization of Exhaust Fan

Case Study: Fan 7 [Commercial Facility] Inverterization of Exhaust Fan

Reduce power consumption by controlling the fan motor speed with an inverter using a carbon monoxide concentration sensor.

Control the rotation speed of the fan motor using an inverter based on the carbon monoxide concentration detected by a sensor installed on the roadway. By controlling the motor speed with the inverter during times with low traffic (excluding busy periods such as weekends and evenings), significant power savings can be achieved. 【Features】 ○ Control Method: Use of a carbon monoxide concentration sensor to control the rotation speed of the fan motor with an inverter. ○ Target Equipment: Underground parking exhaust fans (22.0 kW × 3 units) For more details, please contact us or download the catalog.

  • Automatic Control Equipment
  • Air compressors, blowers and pumps
  • Power distribution and control panels

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