Hospital ProjectAirflow Management SystemUsage Instructions

Introduction to the Airflow Management System:

The Airflow Management System is an integrated control device that regulates the pressure difference between adjacent spaces by controlling the exhaust and supply air ratio.

SPR-JK200YAirflow Management Host Unit

Designed for negative pressure isolation ward areas, it monitors and controls air pressure differences, air volume, air velocity, valve status, fan operation, ward disinfection, audible and visual alarms, and fault displays. Through real-time monitoring, it also performs integrated control of equipment operational status.

Working PrincipleThe Airflow Management Host Unit communicates with airflow controllers via a two-wire bus, collecting operational status from fans, manual controllers, micro differential pressure sensors, and electric actuators (exhaust/supply air valves). It provides audible and visual displays, records, and prints alarm or fault information. The host unit offers alarm or fault location details to nursing station or duty room staff, enabling them to monitor system status and promptly address alarms or faults.

Installation LocationThe Airflow Management Host Unit is wall-mounted in the nursing station or duty room. [Note: One unit per nursing station or duty room is sufficient.]

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SPR-ZK20EAirflow Controller

Used in negative pressure ward airflow management systems to control the start/stop and speed of supply and exhaust fans.

DefinitionThe Airflow Controller, also known as a Fan Controller, is used in negative pressure ward airflow management systems to control the start/stop and speed of exhaust/supply fans.

Application AreasNegative pressure wards, cleanrooms, positive pressure air supply systems for stairwells and anterooms, garage exhaust systems, etc.

Working PrincipleThe Airflow Controller communicates with the integrated controller. Based on the operating mode set by the manual controller, it sequentially starts/stops exhaust/supply (supply/exhaust) fans and adjusts the frequency converter according to the opening ratio of exhaust/supply air valves to control fan speed.

Installation LocationThe Airflow Controller is installed in the fan distribution box, with a 1:1 ratio to fans. Each fan requires one Airflow Controller.

SPR-YP21E; SPR-YC21Micro Differential Pressure Manual Controller

Used in negative pressure ward airflow management systems to monitor and manually control air pressure differences within the ward.

DefinitionThe Micro Differential Pressure Manual Controller is one of the main devices in negative pressure ward airflow management systems, used to monitor and manually control the air pressure difference inside and outside the ward.

Application AreasNegative pressure wards, cleanrooms, etc.

Working PrincipleThe Micro Differential Pressure Manual Controller, installed at the ward entrance, monitors and controls the relative pressure difference inside and outside the ward in real time. It features preset operating modes for automatic or manual control of air volume regulating valves (supply and exhaust air valves). In cleaning mode, it facilitates disinfection by staff after patient discharge.

Installation LocationWard entrance, medical corridor, or buffer room, within visual range, at a height of approximately 1.5m to 1.6m.

SPR-YP21E; SPR-YC21Micro Differential Pressure Sensor

Used in negative pressure ward airflow management systems to monitor air pressure differences within the ward. It monitors and manually controls air pressure differences in the ward.

DefinitionThe Micro Differential Pressure Sensor is a collection device used in negative pressure ward airflow management systems to monitor the air pressure difference inside and outside the ward.

Application AreasNegative pressure wards, cleanrooms, positive pressure air supply systems for stairwells and anterooms, etc.

Working PrincipleThe Micro Differential Pressure Sensor, installed at the ward entrance, uses the U-tube principle to monitor the relative pressure difference inside and outside the ward in real time. It works in conjunction with the integrated controller to regulate air volume valves (supply and exhaust air valves), adjusting the exhaust/supply air ratio to maintain an appropriate negative pressure range and effectively prevent virus transmission.

Installation LocationWard entrance, medical corridor, or buffer room, within visual range, at a height of approximately 1.5m to 1.6m.