Attachment 02_Schematic Concept Proposal 8280.pdf

This document is a schematic concept proposal diagram illustrating an integrated heating and cooling system design. The proposal depicts a dual-circuit thermal management system connecting an existing pellet boiler to both heating and cooling circuits through two buffer storage tanks (Puffer units) managed by controllers KWS 1 and KWS 2. The system employs motorized isolation valves (marked M with AB designations) to regulate flow between the circuits and utilizes circulation pumps within each circuit loop. Supply flows from the heating circuit enter through the top of the schematic, while return flows from the cooling circuit are processed through the buffer tanks before distribution to the respective circuits below. The diagram includes numbered valve positions (1 and 2) indicating different operational configurations for system control.

The incomplete draft nature of this proposal suggests it is intended for conceptual clarity purposes rather than final specification. The schematic demonstrates a hybrid approach to thermal energy management, allowing the existing pellet boiler infrastructure to serve dual functions while maintaining separation between heating and cooling operations through intermediate buffer storage and flow control mechanisms. No specific performance requirements, response deadlines, pricing information, or federal contracting details are provided in this conceptual diagram.