Greenwood Airvac has been a trusted name in ventilation systems since 1879, offering reliable solutions for improving indoor air quality. Their old models, such as the Unity CV2GIP, are known for their energy efficiency and compliance with Building Regulations, providing continuous extraction and advanced features like TimerSMART™ and HumidiSMART™ technologies to enhance comfort and performance.
1.1 Overview of Greenwood Airvac Systems
Greenwood Airvac systems are designed to provide efficient ventilation solutions for homes, ensuring improved indoor air quality. Their old models, like the Unity CV2GIP, are decentralized mechanical extract ventilation (dMEV) systems, offering continuous operation. These systems integrate advanced technologies such as TimerSMART™ for automatic over-run timers and HumidiSMART™ for humidity control. They are engineered to meet Building Regulations, ensuring energy efficiency and compliance with standards like System 3 for dMEV. These models are ideal for bathrooms, kitchens, and wet rooms, providing a reliable and quiet ventilation solution.
1.2 Importance of Proper Installation and Maintenance
Proper installation and maintenance of Greenwood Airvac systems are crucial for optimal performance and safety. Incorrect installation can lead to inefficiency, safety hazards, and non-compliance with regulations. Always ensure electrical work is done by a qualified professional, adhering to BS7671: IEE Wiring Regulations. Regular cleaning of filters and grilles prevents dust buildup and maintains airflow. Failure to maintain the system can result in reduced efficiency, increased energy consumption, and potential system failure. Regular servicing ensures long-term reliability and indoor air quality.
Key Features of Greenwood Airvac Old Models
Greenwood Airvac old models feature innovative TimerSMART™ and HumidiSMART™ technologies for automatic control. They offer continuous running extract fans, ensuring energy efficiency and compliance with Building Regulations, enhancing indoor air quality.
2;1 TimerSMARTTM and HumidiSMARTTM Technology
2;1 TimerSMARTTM and HumidiSMARTTM Technology
TimerSMARTTM and HumidiSMARTTM technologies in Greenwood Airvac old models automatically manage ventilation. TimerSMARTTM monitors occupancy duration, ensuring efficient over-run timers, while HumidiSMARTTM adjusts extraction based on humidity levels. These features optimize indoor air quality, reduce moisture, and prevent mold growth without manual intervention, enhancing comfort and energy efficiency in homes.
2.2 Continuous Running Extract Fans
Greenwood Airvac old models feature continuous running extract fans, such as the Unity CV2GIP, designed for consistent ventilation. These fans operate quietly, ensuring airflow and moisture control. They meet Building Regulations, supporting energy efficiency and indoor air quality. Ideal for bathrooms and kitchens, they provide reliable extraction, preventing condensation and odors, while maintaining a comfortable environment with minimal energy use.
2.3 Compliance with Building Regulations
Greenwood Airvac old models, such as the Unity CV2GIP, are designed to meet System 3 compliance for decentralised Mechanical Extract Ventilation (dMEV). They adhere to Building Regulations, ensuring energy efficiency and proper ventilation. These systems comply with BS7671: IEE Wiring Regulations, guaranteeing safe electrical installation. By integrating advanced technologies like TimerSMART™ and HumidiSMART™, they maintain indoor air quality while meeting regulatory standards, making them a reliable choice for domestic ventilation needs.
Installation Instructions for Greenwood Airvac Old Models
Installation must comply with Building Regulations and BS7671: IEE Wiring Regulations. Use 100mm rigid ducting for optimal performance. Ensure electrical work is done by a qualified electrician, and isolate the fan before maintenance to ensure safety and compliance with guidelines.
3.1 Location Requirements and Safety Precautions
The Greenwood Airvac old models must be installed away from direct heat sources like cookers, maintaining a minimum distance of 1m to prevent damage. Ensure the fan is isolated from the mains before any maintenance. Avoid using solvents for cleaning to prevent internal damage. Electrical installations should only be performed by a qualified electrician to meet safety standards and compliance with BS7671: IEE Wiring Regulations. Proper placement ensures optimal performance and safety.
3.2 Electrical Installation Guidelines
Electrical installations for Greenwood Airvac old models must comply with BS7671: IEE Wiring Regulations. Ensure the fan is connected to a 1mm² cable and a 3-amp fuse. A qualified electrician should perform all wiring to guarantee safety and compliance. The fan must not be connected to a ring circuit. Proper electrical connections are crucial for optimal performance and to prevent hazards. Always follow the manufacturer’s guidelines for a safe and efficient setup.
3.3 Ducting and Ventilation Setup
For optimal performance, use a 100mm diameter rigid duct to connect the fan, ensuring compliance with Building Regulations. Avoid bends and kinks to maintain airflow efficiency. Install the duct in a dry, well-ventilated area, avoiding zones with excessive moisture or heat. Secure all connections tightly and ensure proper insulation to prevent condensation. Follow the manufacturer’s guidelines for ducting length and routing to achieve efficient ventilation and maintain indoor air quality.
Maintenance and Cleaning Guidelines
Regularly clean the fan and filter using a damp cloth, avoiding solvents. Isolate the fan from the mains before servicing to ensure safety and prevent damage.
4.1 Cleaning the Fan and Filter
Regular cleaning is essential for maintaining efficiency. Use a damp cloth to wipe the front grille, ensuring no water enters the internal unit. Avoid using solvents, as they may damage components. Always isolate the fan from the mains before cleaning to prevent accidents. Remove and clean the filter according to the manufacturer’s instructions, ensuring it is dry before reinstalling. This prevents dust buildup and ensures optimal airflow and performance.
4.2 Replacing Filters and Servicing
Replace filters every 6-12 months or as indicated by reduced performance. Turn off power and remove the filter, cleaning or replacing it as needed. Regular servicing ensures optimal operation; check for dust buildup and wear. Professional maintenance is recommended annually to maintain efficiency and compliance with regulations, ensuring your system continues to deliver clean, healthy air effectively.
4.3 Troubleshooting Common Issues
Common issues include reduced airflow, unusual noises, or the red flashing light alert. Check for blockages in ducts or filters and clean them if necessary. For the red light, refer to the manual or contact Greenwood Airvac support. Ensure the fan is isolated before any maintenance to avoid safety risks. Regular checks can prevent major problems, maintaining efficiency and extending system lifespan.
Operating Instructions for Greenwood Airvac Old Models
Operate using manual controls or SMART technologies. The over-run timer ensures continuous airflow after use. Adjust settings via the GS2 switch for optimal performance and energy efficiency.
5.1 Manual Controls and Switches
Greenwood Airvac old models feature intuitive manual controls, including a switch-live light switch, allowing users to easily activate or deactivate the fan. The GS2 switch provides variable speed options, enabling customization to suit different ventilation needs. These controls are designed for simplicity and accessibility, ensuring seamless operation. Always ensure the fan is isolated before performing any maintenance to guarantee safety and compliance with electrical standards.
5.2 Using SMART Technologies
The Greenwood Airvac old models incorporate advanced SMART technologies, such as TimerSMART™ and HumidiSMART™, which automatically manage the fan’s operation based on occupancy and humidity levels. TimerSMART™ adjusts the over-run timer to ensure efficient ventilation, while HumidiSMART™ monitors moisture to prevent condensation. These features enhance comfort by maintaining a healthy indoor environment without manual intervention, ensuring optimal performance and energy efficiency. They are designed to comply with Building Regulations and improve air quality effectively.
5.3 Understanding the Over-run Timer
The over-run timer in Greenwood Airvac old models ensures continuous ventilation after a room is vacated, preventing moisture buildup and improving air quality. TimerSMART™ technology automatically adjusts the timer based on occupancy, while manual override options provide flexibility. This feature is essential for maintaining a healthy indoor environment and meeting Building Regulations. It operates efficiently, ensuring energy savings and optimal performance without constant user intervention, making it a key component of the system’s functionality.
Safety Precautions and Warnings
Always isolate the fan from the mains supply before cleaning or servicing. Avoid exposing the unit to excessive heat or moisture. Ensure the fan is not mounted above or within 1m of a cooker. Keep children and vulnerable users away from moving parts. Never use solvents for cleaning, and ensure proper installation by a qualified electrician to prevent hazards.
6.1 Isolating the Fan Before Maintenance
Always disconnect the fan from the mains power supply before performing any maintenance or cleaning. Switch off the electrical supply at the circuit breaker or remove the fuse to ensure complete isolation. This prevents accidental startups and electrical shocks. Never use solvents or abrasive cleaners, as they may damage the unit. Ensure the fan is cool and dry before handling internal components. Mounting near heat sources or moisture-prone areas is prohibited for safety and optimal performance.
6;2 Avoiding Excessive Heat or Moisture
Avoid installing or operating the fan in areas exposed to excessive heat or moisture, as this can damage the unit or reduce its efficiency. The fan should not be mounted above or within 1 meter of a cooker, where heat and moisture levels are higher. Ensure the environment remains dry and well-ventilated to prevent moisture buildup. Regular cleaning with a damp cloth is recommended, but avoid allowing water to enter the internal mechanisms to maintain optimal performance and safety.
6.3 Safety for Children and Vulnerable Users
Ensure the fan is out of reach of children and vulnerable users to prevent accidental damage or injury. Supervise children aged 8 and above when using the appliance. Vulnerable users should be instructed on proper usage and safety precautions. Avoid touching moving parts or getting too close to the fan while it is operational. Always ensure the fan is installed in a secure location to prevent tampering or unintended access.
Compliance with Building Regulations
Greenwood Airvac old models are designed to meet Building Regulations, ensuring efficient ventilation and compliance with standards for improved indoor air quality and safety.
7.1 System 3 Compliance for dMEV
Greenwood Airvac old models, such as the Unity CV2GIP, comply with System 3 of Building Regulations for decentralized Mechanical Extract Ventilation (dMEV). These systems ensure continuous ventilation, maintaining indoor air quality by monitoring humidity and occupancy. The TimerSMART™ and HumidiSMART™ technologies automatically adjust operation, ensuring energy efficiency and compliance. Proper installation and adherence to regulations guarantee reliable performance, making these models a practical choice for meeting legal and environmental standards in residential settings.
7.2 Adherence to BS7671: IEE Wiring Regulations
Greenwood Airvac old models must be installed in accordance with BS7671: IEE Wiring Regulations to ensure safe and compliant electrical connections. This includes using 1mm² cables, a 3-amp fuse, and proper grounding. All electrical work must be performed by a qualified electrician to avoid hazards and guarantee system efficiency. Adherence to these standards is critical for maintaining safety, reliability, and compliance with legal requirements for domestic ventilation systems.
7.3 Energy Efficiency Standards
Greenwood Airvac old models are designed to meet stringent energy efficiency standards, ensuring minimal power consumption while maintaining optimal performance. The Unity CV2GIP, for instance, operates continuously at low power, making it an energy-efficient solution for domestic ventilation. These systems are engineered to reduce energy waste and lower utility bills, aligning with environmental and regulatory requirements for sustainable living. Their energy-saving features ensure long-term efficiency and compliance with modern eco-friendly standards.
Accessories and Controls for Greenwood Airvac Old Models
Accessories include the GS2 switch for variable speed control and additional ducting for optimized airflow. Optional SMART technology upgrades enhance functionality, ensuring efficient and tailored ventilation solutions.
8.1 GS2 Switch and Variable Speed Options
The GS2 switch offers precise control over fan speed, allowing users to customize airflow according to their needs. Variable speed options enhance energy efficiency and reduce noise levels. This feature is particularly useful in different environments, providing flexibility and comfort. The GS2 switch integrates seamlessly with Greenwood Airvac systems, ensuring optimal performance and user convenience. It is designed to complement the system’s advanced technologies, making it a practical accessory for tailored ventilation solutions.
8.2 Additional Ducting and Fittings
Additional ducting and fittings are essential for ensuring optimal performance of Greenwood Airvac systems. A 100mm diameter rigid duct is recommended to maintain airflow efficiency and comply with Building Regulations. Flexible ducting should be avoided to prevent resistance and reduce system performance. Properly sealing all connections and using compatible fittings ensures minimal leakage and maximizes ventilation efficiency. Always refer to the homeowner manual for specific ducting requirements and installation guidelines.
8.3 Optional SMART Technology Upgrades
Greenwood Airvac systems offer optional SMART technology upgrades, including TimerSMART™ and HumidiSMART™, which enhance performance and efficiency. These upgrades automate over-run timers and humidity sensing, improving indoor air quality. Upgrading to SMART technologies ensures compliance with modern standards and provides advanced control over ventilation settings. Compatibility with older models varies, so consulting the homeowner guide or contacting Greenwood Airvac Technical Services is recommended for seamless integration and optimal functionality.
Troubleshooting and Error Resolution
Common issues include red flashing lights, filter blockages, or sensor malfunctions. Refer to the manual or contact Greenwood Airvac Technical Services for guidance and support.
9.1 Identifying Common Issues
Common issues with Greenwood Airvac old models include red flashing lights, filter blockages, or sensor malfunctions. These can be identified by unusual noises, reduced airflow, or error alerts. Regular maintenance, such as cleaning filters and ensuring proper installation, can prevent many problems. Refer to the manual for specific troubleshooting steps, and contact Greenwood Airvac Technical Services for assistance. Addressing these issues promptly ensures optimal performance and longevity of the system.
9.2 Resolving Red Flashing Light Alerts
The red flashing light on Greenwood Airvac models indicates a potential issue, such as a blocked filter or sensor malfunction. To resolve this, first, check and clean the filter. Ensure no obstructions are present and that the grille is clear. If the issue persists, reset the system by switching it off and on. For persistent errors, consult the manual or contact Greenwood Airvac Technical Services for professional assistance. Regular maintenance can prevent such alerts.
9.3 Adjusting Fan Speed and Humidity Settings
Greenwood Airvac models allow for precise adjustments of fan speed and humidity levels. Using the GS2 switch or SMART technology, users can customize settings to suit their environment. The HumidiSMART™ feature automatically adjusts based on moisture levels, while TimerSMART™ manages over-run times. For manual control, refer to the GS2 variable speed options. Ensure settings align with the room’s conditions for optimal performance and energy efficiency, minimizing excessive moisture and maintaining a comfortable indoor climate.
Proper maintenance and regular checks ensure long-term efficiency of Greenwood Airvac systems. Utilize SMART technologies and follow guidelines for optimal performance, energy efficiency, and improved indoor air quality.
10.1 Ensuring Long-Term Efficiency
Regular cleaning of the fan and filter is essential for maintaining airflow and efficiency. Replace filters as recommended and ensure ducting is clear to prevent blockages. Using SMART technologies like TimerSMART™ and HumidiSMART™ optimizes performance by automatically adjusting settings based on occupancy and humidity levels. Always follow the manufacturer’s guidelines for servicing and maintenance to prolong the system’s lifespan and ensure it operates effectively over time.
10.2 Staying Informed About Updates
Regularly check the official Greenwood Airvac website for software updates or technical bulletins specific to your model. Refer to the homeowner’s manual for guidance on implementing changes. For further assistance, contact Greenwood Airvac Technical Services at 44 (0) 1903 777135. Stay informed about new features or improvements to ensure optimal performance and compliance with updated regulations. This proactive approach helps maintain efficiency and safety, keeping your system running smoothly for years to come.