Obtaining a water supply on the fireground is one of those “gotta haves” for a successful outcome combating a fire. For the simple low-flow fireground operation, this task is fairly easy. When fire ...
Part I of this series introduced the lead/lag control strategy as it applies to parallel pump operation and discussed the need for identifying the designer’s intent for a particular system. Part II ...
i. Lead secondary chilled water pump will be enabled anytime the chilled water (CHW) system is enabled and will remain enabled for 30 minutes after the CHW system is disabled. b. Pump speed control i.