Question-and-Answer Resource for the Building Energy Modeling Community
Get s tarted with the Help page
Ask Your Question

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

asked 2018-01-29 13:36:56 -0600

mldichter gravatar image

updated 2018-03-08 15:28:09 -0600

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.

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

image description

edit retag flag offensive close merge delete

1 Answer

Sort by ยป oldest newest most voted

answered 2018-01-29 17:28:21 -0600

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You are correct, the reference to a WaterUse:Tank object is likely out of date and should be updated to the appropriate WaterUse:Storage object.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.

edit flag offensive delete link more


Fixed for v8.9 here.

MJWitte gravatar image MJWitte  ( 2018-01-29 20:29:29 -0600 )edit

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer


Question Tools

1 follower


Asked: 2018-01-29 13:36:56 -0600

Seen: 118 times

Last updated: Jan 29 '18