The largest plant for production of ventilation equipment in the south of Russia
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Control unit BKU
The housing of the control unit combines:
- power part: designed to control servo drives of air valves, fans and circulation pumps;
- control part: designed to control the automation and protect the power part. They are manufactured in wall-mounted enclosures:
- TEKFOR modular plastic hinged enclosures with transparent cover, protection degree -IP65 when the cover is closed and IP45 when the cover is open;
- modular metal hinged enclosures, protection class -IP31 (IP54) when the lid is closed.
All control and indication elements are located:
- behind the transparent cover (plastic enclosures);
- on the front door of the unit (metal enclosures).
The power part of the unit consists of circuit breakers, contactors, relays, indicator lights and terminals. Depending on the ventilation system configuration you have ordered, we can realise any of your projects on a freely programmable controller. In the control of all ventilation systems we use controllers from Segnetics (Pixel), Siemens, ELKO (TER-9). BKU control units are assembled on the element base of Schneider Electric, LS Industrial Systems (LG), IEK®. Power supply of control cabinets -220 V AC (+10%/-10%) 50 Hz with grounding wire or 380 V AC (+10%/-10%) 50 Hz with neutral and grounding wire depending on the modification. Ambient operating temperature range - from +5 to +40°C. Relative humidity in the room -95%. Control units are designed for indoor installation in dust-free, dry environment without chemical substances. All control units are manufactured based on the requirements of TU 4862-002-68121117-2013. BKU control units are designed to control the operation of ventilation systems (central air conditioners, duct air inlets, duct fans, heat curtains) are used for complex protection and control of ventilation systems with water heater (heating), electric heater, water/freon cooling or recirculation.
STANDARD
- manual start and stop from the control unit;
- connection of the outdoor air temperature sensor;
- connection of supply air temperature sensor;
- connection of the return temperature sensor;
- monitoring of the state of the thermal contacts of the supply and exhaust fan motors;
- control of the air valve servo drive (230 V);
- protection of the circulation pump motor against overload and short circuit;
- proportional-integral control of the heat transfer valve actuator;
- protection of the water heater against freezing according to the supply air temperature (capillary thermostat);
- protection of the water heater against freezing on the basis of the return temperature;
- protection of freon cooler against freezing by supply air temperature (capillary thermostat);
- protection of the electric heater against overheating;
- delayed switch-off of the supply fan with electric heater (blowing);
- filter contamination control;
- system shutdown on fire alarm signal;
- indication on the liquid crystal display of the set and current parameters of the system operation;
- light indication "operation";
- logging of alarm events;
- password protection of the service menu.
EXTENDED
- protection of supply and exhaust fans by differential pressure switch on the fan (belt breakage);
- operation of fans with frequency converter;
- connection of room temperature sensor (cascade regulation);
- connection of the exhaust air temperature sensor;
- light indication "emergency";
- remote control of the unit;
- control of the air damper servo drive (24V);
- connection of additional fans;
- two-stage control of compressor-condenser unit;
- five-stage control of the electric heater;
- mixing chamber control;
- freeze protection of the rotary regenerator or plate recuperator;
- surface or steam humidifier control;
- operation according to an inbuilt weekly timer;
- proportional-integral control of the chiller valve actuator;
- proportional integral control of the adjustable recirculation dampers;
- proportional integral control of the dampers;
- fan speed reduction, in cases of insufficient capacity of heating devices;
- non-volatile memory;
- Modbus and SCADA support;
- air quality and CO.
- power part: designed to control servo drives of air valves, fans and circulation pumps;
- control part: designed to control the automation and protect the power part. They are manufactured in wall-mounted enclosures:
- TEKFOR modular plastic hinged enclosures with transparent cover, protection degree -IP65 when the cover is closed and IP45 when the cover is open;
- modular metal hinged enclosures, protection class -IP31 (IP54) when the lid is closed.
All control and indication elements are located:
- behind the transparent cover (plastic enclosures);
- on the front door of the unit (metal enclosures).
The power part of the unit consists of circuit breakers, contactors, relays, indicator lights and terminals. Depending on the ventilation system configuration you have ordered, we can realise any of your projects on a freely programmable controller. In the control of all ventilation systems we use controllers from Segnetics (Pixel), Siemens, ELKO (TER-9). BKU control units are assembled on the element base of Schneider Electric, LS Industrial Systems (LG), IEK®. Power supply of control cabinets -220 V AC (+10%/-10%) 50 Hz with grounding wire or 380 V AC (+10%/-10%) 50 Hz with neutral and grounding wire depending on the modification. Ambient operating temperature range - from +5 to +40°C. Relative humidity in the room -95%. Control units are designed for indoor installation in dust-free, dry environment without chemical substances. All control units are manufactured based on the requirements of TU 4862-002-68121117-2013. BKU control units are designed to control the operation of ventilation systems (central air conditioners, duct air inlets, duct fans, heat curtains) are used for complex protection and control of ventilation systems with water heater (heating), electric heater, water/freon cooling or recirculation.
STANDARD
- manual start and stop from the control unit;
- connection of the outdoor air temperature sensor;
- connection of supply air temperature sensor;
- connection of the return temperature sensor;
- monitoring of the state of the thermal contacts of the supply and exhaust fan motors;
- control of the air valve servo drive (230 V);
- protection of the circulation pump motor against overload and short circuit;
- proportional-integral control of the heat transfer valve actuator;
- protection of the water heater against freezing according to the supply air temperature (capillary thermostat);
- protection of the water heater against freezing on the basis of the return temperature;
- protection of freon cooler against freezing by supply air temperature (capillary thermostat);
- protection of the electric heater against overheating;
- delayed switch-off of the supply fan with electric heater (blowing);
- filter contamination control;
- system shutdown on fire alarm signal;
- indication on the liquid crystal display of the set and current parameters of the system operation;
- light indication "operation";
- logging of alarm events;
- password protection of the service menu.
EXTENDED
- protection of supply and exhaust fans by differential pressure switch on the fan (belt breakage);
- operation of fans with frequency converter;
- connection of room temperature sensor (cascade regulation);
- connection of the exhaust air temperature sensor;
- light indication "emergency";
- remote control of the unit;
- control of the air damper servo drive (24V);
- connection of additional fans;
- two-stage control of compressor-condenser unit;
- five-stage control of the electric heater;
- mixing chamber control;
- freeze protection of the rotary regenerator or plate recuperator;
- surface or steam humidifier control;
- operation according to an inbuilt weekly timer;
- proportional-integral control of the chiller valve actuator;
- proportional integral control of the adjustable recirculation dampers;
- proportional integral control of the dampers;
- fan speed reduction, in cases of insufficient capacity of heating devices;
- non-volatile memory;
- Modbus and SCADA support;
- air quality and CO.
