八紘テクノ List of Products and Services

By connecting ReMoSy to existing equipment and our inverter system, it measures the state and changes in power consumption within buildings and equipment that are normally not visible, and displays the results in an easy-to-understand format, such as graphs, on devices like computers and smartphones. This allows us to clearly identify when and where previously unnoticed power consumption waste occurs, leading to energy savings. "Visualization" is crucial at every step of energy saving! Understanding the current situation By quantifying and graphing power usage, it becomes possible to clarify energy-saving measures. On the homepage, by selecting devices and dates, you can collectively check the information you want, such as power consumption and inverter operating status.

• Server monitoring and network management tools

By connecting ReMoSy to existing equipment and our inverter system, it measures the state and changes in power consumption within buildings and facilities that are normally not visible. The results are displayed in an easy-to-understand format, such as graphs, on devices like computers and smartphones. This allows us to clearly identify when and where previously unnoticed power consumption waste occurs, leading to energy savings. "Visualization" is crucial at every step of energy conservation! Understanding the Current Situation By quantifying and graphing power usage, it becomes possible to clarify energy-saving measures. On the homepage, by selecting devices and dates, users can easily check the information they want, such as power consumption and inverter operation status. Report Creation The measured data can be used as evidence for energy reduction effects and energy-saving reports, making recording and management easy.

• Server monitoring and network management tools

Fans and pump system motors are controlled by inverters, achieving a reduction in electricity costs. Short delivery time, possible within one month from specification confirmation. Basic specifications are simple, equipped with necessary features at a low cost. Custom options available; we can accommodate installation conditions, control methods, etc. For a limited time, 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.

• Control Panel

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, it offers excellent cost-effectiveness even for small motors that you may have previously given up on. Being lightweight and compact, it can be installed in tight spaces, leading to reduced construction costs. We have also implemented measures for lighting and heat sources, so if you are struggling with next year's plans, please consider this. For a limited time, 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.

• Control Panel

We have introduced a cost-effective inverter panel designed for small equipment that is not easily justified in terms of cost-effectiveness. During the intermediate seasons (spring and autumn), when heating and cooling are not heavily required, we significantly reduce the rotation speed based on signals from temperature sensors. Additionally, during checkout times, we achieve substantial energy savings by forcibly lowering the rotation speed through timer control. We also automated the previously manual adjustment of damper openings according to the season, allowing for labor savings through inverter control. 【Features】 ○ Control Method: Inverter control of air conditioning fan motor rotation speed using temperature sensors ○ Target Equipment: In-room air conditioning units 　　　　　　Supply fans (5.5kW) × 2 units, Return fans (3.7kW) × 2 units For more details, please contact us or download the catalog.

• Inverter
• air conditioning
• Ventilation and Exhaust

By changing the air volume control from traditional damper opening and closing to inverter control, we can reduce power consumption. The duct damper can be fully opened, allowing for easy switching of the fan motor speed with a manual switch on the control panel. It can quickly respond to changes in store congestion and seasonal conditions with the set speeds on the step speed switch. 【Features】 ○ Control Method: Simplified operation with manual step speed control ○ Target Equipment: In-store air conditioning units 　　　　　　Air conditioning unit fan <Air Handling Unit> (30.0 kW) For more details, please contact us or download the catalog.

• Inverter
• air conditioning
• Ventilation and Exhaust

We detected the return temperature and implemented optimal airflow inverter control for two units. This significantly reduces power consumption during the intermediate seasons (spring and autumn). We achieved an annual energy saving of 75,504 kWh (approximately 55% energy conservation). 【Features】 ○ Control Method: Inverter control of fan motor speed using temperature sensors ○ Target Equipment: Air conditioning unit fans for the sports center lobby and training room 　　　　　　Air conditioning supply fan (45.0 kW), 　　　　　　Air conditioning return fan (22.0 kW) For more details, please contact us or download the catalog.

• Inverter
• air conditioning
• Ventilation and Exhaust

Detects return air temperature and controls optimal airflow with an inverter. Reduces a significant amount of power through low-speed operation during non-business hours and on closed days. (Continuous operation throughout the year is necessary for the indoor pool's air conditioning to maintain dehumidification and ventilation.) 【Features】 ○ Control Method: Uses temperature sensors to control the rotation speed of the fan motor with an inverter. ○ Target Equipment: Air conditioning fan for indoor pool 　　　　　　Air conditioning supply fan (11.0kW), Air conditioning return fan (11.0kW) For more details, please contact us or download the catalog.

• Inverter
• air conditioning
• Ventilation and Exhaust

We achieve low implementation costs compared to automatic control using general-purpose sensors. By utilizing a schedule timer, we manage energy savings according to the operational status of the tenants. 【Features】 ○ Control Method: Time Schedule Control ○ Target Equipment: Indoor Ventilation System 　　　　　　Supply Fan (5.5kW) × 1 unit, Exhaust Fan (3.7kW) × 1 unit For more details, please contact us or download the catalog.

• air conditioning
• Ventilation and Exhaust
• Inverter

Utilizing information from carbon monoxide concentration sensors. We significantly reduce power consumption by controlling the rotation speed outside of peak times, such as weekends and busy morning and evening hours. 【Features】 ○ Target Equipment: Underground parking ventilation system Parking supply fans and exhaust fans × 3 units (total capacity 90kW) ○ Control Method: Inverter control of fan motor rotation speed using carbon monoxide concentration sensors We respond to various customer requests with optimal proposals and prompt implementation work. For more details, please contact us or download the catalog.

• air conditioning
• Ventilation and Exhaust
• Inverter

By linking the supply and exhaust fans, the conditioned air is not unnecessarily lost to the outside, improving air conditioning efficiency and reducing power consumption. Since busy hours vary due to banquet schedules, instead of time-based control, the operation status of kitchen equipment is detected by sensors, and the supply and exhaust are controlled by inverters. During times when no heating or cooking is taking place, temperature sensors and carbon dioxide concentration sensors help reduce the drying of served food. 【Features】 ○ Control Method: Motor speed is controlled by inverter using temperature sensors and carbon dioxide concentration sensors ○ Target Equipment: Kitchen ventilation system Supply fan (30.0 kW), Exhaust fan (37.0 kW) For more details, please contact us or download the catalog.

• air conditioning
• Ventilation and Exhaust
• 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 Cooling tower fans (5.5kW) × 3 units For more details, please contact us or download the catalog.

• Ventilation and Exhaust
• Inverter
• cooling tower

In a kitchen where reducing airflow is difficult, the operating status is managed by the temperature of each exhaust duct, and the fan motor is controlled by an inverter. The coordination between the external air conditioning unit and the exhaust fan located at a distance is also controlled by the inverter. 【Features】 ○ Control Method: Fan motor speed is controlled by an inverter using temperature sensors. ○ Target Equipment: Kitchen ventilation system External air conditioning unit (11.0 kW), exhaust fan (7.5 kW) For more details, please contact us or download the catalog.

• Ventilation and Exhaust
• Inverter
• air conditioning

The underground parking lot of the apartment has low traffic for entry and exit, and by reducing the ventilation volume, significant power savings can be achieved. When the concentration rises, switching to high-speed operation manually reduces the initial costs compared to automatic control. The carbon monoxide concentration is monitored in the control room. 【Features】 ○ Control method: Simplified operation with a manual 4-stage speed switch ○ Target equipment: Underground parking supply fan (11.0 kW), Underground parking exhaust fan (22.0 kW) For more details, please contact us or download the catalog.

• Ventilation and Exhaust
• Inverter
• air conditioning

Control the fan motor speed using an inverter based on the carbon monoxide concentration sensor installed on the roadway. By controlling the motor speed with the inverter during off-peak hours (such as weekends and evenings), significant power savings can be achieved. 【Features】 ○ Control Method: Fan motor speed controlled by inverter using carbon monoxide concentration sensor ○ Target Equipment: Underground parking exhaust fans (22.0 kW × 3 units) For more details, please contact us or download the catalog.

• Ventilation and Exhaust
• Inverter
• air conditioning

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 are 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.

• Ventilation and Exhaust
• Inverter
• air conditioning

During the lunch break, adjust the operation of the exhaust fan motor according to the equipment's operating status to reduce power consumption. We propose and install compactly designed inverter panels even in space-constrained factories. 【Features】 ○ Control Method: Simplified operation using a manual 4-speed switch ○ Target Equipment: Factory ventilation system Cutting oil mist exhaust fan (11.0kW) For more details, please contact us or download the catalog.

• Ventilation and Exhaust
• Inverter
• air conditioning

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

• Inverter
• Flow Control
• air conditioning

The flow rate sent to the cold water pump was adjusted by throttling the valve, but significant reductions in electrical power consumption were achieved by controlling it with an inverter. By monitoring the temperature at the cold 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/heater Cold water pump (200V/55.0kW) For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• air conditioning

The flow rate is controlled by 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, installation costs are reduced. 【Features】 ○ Control Method: Temperature Control ○ Target Equipment: Air-Cooled Heat Pump Chiller Chilled and Hot Water Pumps (11.0kW × 2 alternating switch type) For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• air conditioning

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/heated water pump (2.2kW × 2 units), 　　　　　　Secondary chilled/heated water pump (3.7kW × 3 units) For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• air conditioning

By opening the valve and adjusting the inverter to achieve the same flow rate as before, we reduce the power consumption of the pump. By using temperature control and variably controlling the inverter frequency, we implement further energy savings. Additionally, by using compressor current control for the turbo chiller, we prevent overload due to insufficient cooling water. 【Features】 ○ Control Method: Using temperature sensors to control the pump motor speed with an 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.

• Inverter
• Flow Control
• air conditioning

By opening the valve and adjusting the inverter to the same flow rate as before, power consumption is reduced. For educational facilities, during breaks, the switch is operated to switch to low-speed operation for further energy savings. Since control using sensors for temperature, pressure, and flow rate is not performed, it can be implemented at a low cost. The low-cost inverter panel (EBL series) is used to shorten the investment recovery period. 【Features】 ○ Control method: The rotation speed of the pump motor is controlled by the inverter using a manual step-speed switch. ○ Target equipment: Absorption chiller/heater 　　　　　　Chilled/heated water pumps (11.0 kW × 2 units) For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• air conditioning

We will implement a scheduled operation where the speed is high during business hours and low during non-business hours (such as nighttime and 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.

• Inverter
• Flow Control
• Filtration Equipment

Before the update, inverter malfunctions occasionally occurred, and recovery work was handled by cutting off the power breaker due to the lack of error information. After the update, an inverter malfunction indicator light was installed in a more visible location, and an alarm buzzer was also installed in the security room, allowing for response even when the facility manager is not present. 【Features】 ○ Installation of indicators and buzzers to notify of inverter malfunctions, enabling response even in the absence of facility personnel. ○ Target equipment: Inverter for chilled and hot water pumps (200V / 15.0kW) For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• air conditioning

Before the update, the equipment manager adjusted the frequency using the up and down keys on the inverter while monitoring the operating conditions. After the update, anyone can easily change the frequency to any desired setting that matches the season or busy periods using a manual four-speed switch. 【Features】 ○ Installation of a manual four-speed switch for simplified switching operations ○ Target equipment: Inverter for return air fan (400V/11.0kW) For more details, please contact us or download the catalog.

• Inverter
• Ventilation and Exhaust
• air conditioning

Before the update, when a trouble 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 operational status. 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.

• Inverter
• Ventilation and Exhaust
• air conditioning

Before the update, the inverter, which had been installed for over ten years, had a built-in sequence circuit for frequency display, but the fault information and operation methods were unclear. After the update, the inverter became user-friendly for facility personnel, improving maintenance capabilities. 【Features】 ○ The inverter became user-friendly, enhancing maintenance capabilities. ○ Target equipment: Inverter for total heat exchanger blower (200V/15.0kW) For more details, please contact us or download the catalog.

• Inverter
• air conditioning
• Ventilation and Exhaust

Before the update, the machine room was located far away, making it almost impossible to use frequency control with inverters. 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.

• Inverter
• air conditioning
• Ventilation and Exhaust

Before the update, strong winds affected the dishes, causing the surface to dry out, and during inverter operation, the person in charge could not adjust the speed consistently. After the update, low airflow operation contributed to reducing the drying of the dishes. It has become easy for anyone to switch airflow according to the season and busy periods. 【Features】 ○ Simplified airflow switching operation using a manual 4-speed switch ○ Target equipment: Banquet hall air conditioning units (blowers, exhaust fans) inverter (400V / 5.5kW x 2 units) For more details, please contact us or download the catalog.

• Inverter
• air conditioning
• Ventilation and Exhaust

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.

• Inverter
• Pressure Control
• Other environmental equipment

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 rooftop, complaints have arisen from nearby apartments. Because the fan turns on and off dozens of times a day depending on the set temperature, there have been many complaints, and the belt has also experienced 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.

• cooling tower
• Ventilation and Exhaust

The problem of the impeller frequently breaking due to water hammer during the pump's startup, resulting in equipment downtime and costs of several million for repairs, has been resolved through smooth acceleration using a soft starter. Measures have been taken to prevent water hammer, impeller damage, and wear. 【Features】 ○ Control Method: Stepless acceleration operation using a soft starter ○ Target Equipment: Water lifting pumps (37.0 kW × 3 units) For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• Other pumps

By converting the mechanically adjusted airflow, such as airflow adjustment and dampers, to an inverter system that monitors room temperature, carbon monoxide, and carbon dioxide concentrations, we aim to reduce electricity consumption and labor. 【Features】 ○ Inverter control for supply fan motors and exhaust fan motors used for indoor and parking ventilation for optimal operation ○ Reduced power consumption during off-peak hours with low-speed operation For more details, please contact us or download the catalog.

• Ventilation and Exhaust
• Inverter
• Other air conditioning equipment

To optimally maintain indoor temperature, mechanical adjustments are made using dampers, but by opening the dampers and converting motor control to inverter control, we aim to reduce power consumption and lower costs. 【Features】 ○ Inverter control of air conditioning fan motors for optimal operation ○ Control of motor speed to reduce power consumption For more details, please contact us or download the catalog.

• Ventilation and Exhaust
• Inverter
• Other air conditioning equipment

Although the flow rate is mechanically adjusted using control valves and manual valves, we aim to reduce water supply power by opening the valves and monitoring pressure and temperature, thereby converting motor control to an inverter system. 【Features】 ○ Inverter-based optimal operation for heat source pump motor control ○ Reducing power consumption by controlling motor speed For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• Filtration Equipment

Hachiko Tech Co., Ltd. responds to various customer requests with optimal proposals and prompt implementation work. 【Features】 ○ Reduces the burden on equipment personnel with inverter updates ○ Improved operability and increased energy-saving rates 【Content】 ○ Update Case 1 [Accommodation Facility] Operational improvement (visualization during abnormal occurrences and simplification of recovery work) ○ Update Case 2 [Accommodation Facility] Operational improvement (addition of frequency switch) For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• Filtration Equipment

Hakkou Techno Co., Ltd. responds to various customer requests with optimal proposals and prompt implementation work. 【Features】 ○ Optimal operation by converting motor control to inverter ○ Cost reduction through problem-solving For more details, please contact us or download the catalog.

• Inverter
• Flow Control
• air conditioning