Trängkåren 6 Renovation Project: Modernized Ventilation with SKW Controller and Cloud Service (SE)

Project description

The Trängkåren 6 project, located in the “SWECO House” in Stockholm, Sweden, is a renovation, reconstruction, and extension (ROT) initiative focused on upgrading the building’s ventilation system. The project spans 2023-2024 and involves the replacement of existing liquid-coupled air handling units with a new, high-efficiency rotary ventilation solution tailored for offices, shops, and gym facilities.

Innovative Ventilation Upgrades
The project replaces outdated liquid-coupled air handling units with modern systems featuring rotating heat exchangers for improved heat recovery and efficiency.

Key Features of the Ventilation System:

• Optimized Airflow for Different Spaces:
  • Four units serve offices and shops, each equipped with a combination coil for heating and cooling to maintain optimal indoor climate.
  • One unit supplies the garage without a heat coil in the supply air.
• Centralized Control & Efficiency:
  • The four parallel air handling units, all with equal airflow capacity, are managed by a central control valve system for heating and cooling.
  • Each unit is controlled using uniform input data for supply air temperature and airflow, ensuring stability and energy efficiency.
• Intelligent System Management with SKW Controller and Cloud Service:
  • The SKW Controller ensures precise regulation of air handling units, optimizing airflow, temperature, and energy consumption.
  • Through SKW Cloud Service, facility managers gain remote access to real-time system performance, allowing for monitoring, troubleshooting, and adjustments without requiring on-site intervention.
  • The cloud-based system stores operational data, enabling predictive maintenance and performance tracking to prevent inefficiencies and reduce downtime.
• Smart Space Utilization – ‘Cake Slice’ Rotor Transport:
  • Due to narrow basement access, the rotary heat exchangers were delivered in modular ‘cake slice’ sections.
  • This method ensured that large ventilation components could be efficiently transported and assembled in the confined basement space.

Installation Challenges & Solutions

• Space Constraints:
  • The basement area required modular transport of air handling units.
  • The rotors were shipped in pre-cut sections to fit through tight passages.
• Energy Optimization:
  • The rotating heat exchangers significantly enhance energy efficiency by recovering heat from exhaust air.
  • The system’s heating and cooling functions are centrally regulated, reducing energy waste.

Impact of the Trängkåren 6 Ventilation Upgrade

• Enhanced Indoor Air Quality for offices, shops, and gyms.
• Energy-efficient heat recovery using rotary heat exchangers.
• Smart space management with modular ‘cake slice’ rotor installation.
• Sustainable and cost-effective heating and cooling operations.
• Advanced system monitoring and remote control with SKW Cloud Service, ensuring long-term operational reliability and efficiency.

The Trängkåren 6 project aligns with Sweden’s commitment to sustainability and energy-efficient building renovations by integrating cutting-edge ventilation solutions and intelligent system management.

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