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Hot Water Storage (WIP)

[summary text on what you can do with hot water storage in heatpunk] 

  • added in heat pump task
  • get recommendations for what to add
  •  adjust hot water settings to precisely configure set up 
  • calculate Cylinder Reheat Time, DHW Energy Demand, Legionella Purge Demand, Vdraw/Mix down volume (what is this?)    
  • information carried through to reports 

Adding hot water storage in a project

Hot water storage is selected in the Heat pump task. When you first enter the Heat pump task, after selecting a heat pump you will be shown a list of recommended hot water storage options. 

If you initially did not include hot water in the project, navigate to the Heat pump task, on the left below the 'Heat pump load' section you will see the 'Hot Water Storage' section. Click the pencil icon to add hot water storage. 

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Selecting a hot water option

When selecting a hot water storage option, you can select from the recommendations or scroll through the options on the left to pick from the pre-plummed, standard, pre-plummed slimline, slimline and horizontal cylinder options.  Cylinders that are incompatible with the selected heat pump say 'incompatible with selected heat pump' in red text. 

When you have an option selected, to the top right you will see spec information and bottom right Midsummer stock information. Where your account is connected to Midsummer, you will also see your specific pricing. 

Hot water recommendations 

Recommendations are based on compatibility with the heat pump and sized on the number of bedrooms and occupants.occupants (allowing for 45ℓ per occupant). Adjust the number of bedrooms/occupants and click Recommend to get updated recommendations 

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System

Performancedetails and specificationsDHW calculations

Once you've selected a hot water storage option, you can see the option selected andin the Hot Water Storage section of the Heat pump task. Here you will see all the specifications.specifications Heatpunk will then calculateand the following:

  • Cylinder re-heat time (min)
  • Domestic hot water (DHW) energy demand (kWh/year)
  • Vdraw/Mix down volume (ℓ)
  • Legionella Purge Demand (kWh/year) 

Editing hot water storage options

You will also have the following options to the top right of the Hot Water Storage section: 

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Pencil: edit selection

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Cog: edit hot water storage settings 

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Bin: remove hot water storage 

Hot water storage settings
How

Clicking tothe editcog thesewill settings

show you a variety of options that you can edit:

  • Pencil:DHW ChangeStorage whichTemperature option you have selected (°C)
  • Cog:Difference editbetween settings
    • flow
  • Bin:temperature removewhile providing hot water cylinderand storage temperature (°C)
  • Flow Temperature while providing hot water (°C)
  • Draw Water Temperature (°C)
  • Supply Water Temperature (°C)
  • Pipework Efficiency (%)
  • Water used per person per day (ℓ) 
What

Under settings can'Legionella', you edit

then

Technical report

How is this information carried through tohave the technicalfollowing report?options

  • Legionella purge required (Yes/No)
  • Legionella purge frequency (Weekly/Daily)
  • Legionella heat source (Immersion/Heat pump)
  • Legionella purge temperature (°C) 
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