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Disaster Advice Glossary
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Disaster recovery and restoration can be veiled in mystery to the many who have not undertaken specific training. This glossary explains technical terms to assist both report writing and the understanding of those technical terms so often misunderstood.
Definition
| Bypass: |
A pipe or duct, usually controlled by valve or damper, for conveying a fluid, including air, around an element of a system. |
| Hot Gas By-pass: |
In a heating system, a hot gas bypass is the valve used to introduce compressor discharge gas directly into the evaporator. This type of arrangement will maintain compressor operation at light loads down to zero by falsely loading the evaporator and compressor. |
| Target Humidity Goals: |
The continuous preferred humidity in drying an atmosphere of a wet building or area. Education Note: The target humidity goal for efficient drying of a wet building atmosphere is below 30-45% rh, depending on building materials and their type of construction, building configuration and utilization. In a severely wet building for example it is not unusual to set initial atmospheric target humidity goals around 20% rh, to increase drying time and compensate for outside relative humidity influences. The increase of drying time will not cause cracking or building damage, since standard commercial size refrigerant and refrigerant gas-bypass dehumidification equipment cannot operate effectively below the 20% rh range. Not providing for effective building drying has resulted in mold growth, and a return or bounce-back of unwanted humidity when the drying equipment is turned off.The continuous preferred humidity in drying an atmosphere of a wet building or area. Education Note: The target humidity goal for efficient drying of a wet building atmosphere is below 30-45% rh, depending on building materials and their type of construction, building configuration and utilization. In a severely wet building for example it is not unusual to set initial atmospheric target humidity goals around 20% rh, to increase drying time and compensate for outside relative humidity influences. The increase of drying time will not cause cracking or building damage, since standard commercial size refrigerant and refrigerant gas-bypass dehumidification equipment cannot operate effectively below the 20% rh range. Not providing for effective building drying has resulted in mold growth, and a return or bounce-back of unwanted humidity when the drying equipment is turned off. |
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The Disaster Advice Glossary operates on TechMerit Technoloy.
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