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Energyplus 8.8 error file refers to WaterUse:Storage object as WaterUse:Tank object

asked 2018-01-29 13:36:56 -0500

mldichter gravatar image

updated 2018-03-08 15:28:09 -0500

Tyring to add a WaterUse:Storage object to a model and noticed that in energyplus 8.8 the error file referred to the object as a WaterUse:Tank object which doesn't exist as an object in energyplus. Minor error but worth fixing.

WaterUse:Storage,
Hot Water Tank, !- Name
, !- Water Quality Subcategory
, !- Maximum Capacity {m3}
, !- Initial Volume {m3}
, !- Design In Flow Rate {m3/s}
, !- Design Out Flow Rate {m3/s}
, !- Overflow Destination
Mains, !- Type of Supply Controlled by Float Valve
, !- Float Valve On Capacity {m3}
, !- Float Valve Off Capacity {m3}
, !- Backup Mains Capacity {m3}
, !- Other Tank Name
ScheduledTemperature, !- Water Thermal Mode
Hot Water Tank Schedule; !- Water Temperature Schedule Name

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answered 2018-01-29 17:28:21 -0500

Good catch!

You are correct, the reference to a WaterUse:Tank object is likely out of date and should be updated to the appropriate WaterUse:Storage object. Maybe @MJWitte or @JasonGlazer can weigh in.

What this error message is really saying is that you may have a storage tank, but you haven't defined a WaterUse:Connections object to define what water draws the storage tank should try to meet. The water use connections object is really a grouping of WaterUse:Equipment objects that define the individual water draws.

The name of the storage water tank -- "Hot Water Tank" -- should be referenced by the Supply Water Storage Tank Name or Reclamation Water Storage Tank Name input fields, depending upon what role the storage tank plays in the water system.

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Fixed for v8.9 here.

MJWitte gravatar imageMJWitte ( 2018-01-29 20:29:29 -0500 )edit

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Asked: 2018-01-29 13:36:56 -0500

Seen: 40 times

Last updated: Jan 29