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Read through the material below, then test your understanding.
Module Lessons
Hot Water Systems: Planning & Design
Fuels Used in Hot Water Systems
Open Vented Storage Systems
Unvented Storage Systems
Localised Water Heaters
Unvented System Pressures
Secondary Circulation Systems
Hot Water Safety Controls
Functional Controls: Strainers & PRVs
Expansion Devices & Check Valves
Pressure Relief, Tundish & Composite Valves
Discharge Pipework: Sizing & Termination
Design Information Sources
Sizing Cisterns & Storage Vessels
Hot Water Pipework Sizing
Sizing Circulation & Boosting Pumps
Sizing Expansion Vessels & Presenting Designs
Installing Unvented Hot Water Systems
Testing & Commissioning Hot Water Systems
Diagnosing Hot Water System Faults
Component Fault-Finding: Pumps, Vessels & Thermostats
Servicing & Maintaining Hot Water Systems
Lesson Overview
Learn how to accurately calculate the storage capacities of cold water cisterns and hot water storage vessels for domestic and commercial installations to comply with BS 6700 and BS EN 806 standards.
Learning Objectives
Determine minimum storage requirements for cold feed cisterns and hot water vessels based on occupancy and fuel type.
Calculate commercial hot and cold water storage capacities using standard design tables.
Apply the BS 6700 recovery formula to size hot water storage vessels based on heat input and reheat times.
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