Type
LTDH
Short description
LTDH Houses connected to existing DH with low temperature heating usage
Location
Tilst
Country
Denmark
End users
8 existing detached houses with radiators
Heat source
Existing DH
Description
Connected to existing DH, shunt at the beginning of the street to reduce supply temperature-mix of return water from LTDH and MTDH supply; Two ways of connecting main network with substation: direct and indirect (with HEX)
Cooling
Missing info
Heat source-network connection
Shunt
Booster HP or no for SH
No
Booster HP, IHEU or DHSU for DHW
IHEU
Category
3.1.2.1.1.
Tsource [°C]
75
Tsupply,min [°C] (network)
61
Tsupply,max [°C] (network)
66
Tsupply,min [°C] (at consumer substation)
55 (indirect connection)
Tsupply,max [°C] (at consumer substation)
60 (direct connection)
Treturn [°C] (network)
Direct connection return 30; Indirect connection return 30 (primary side) and 25 (secondary side)
Network length [km] (if not specified-pipes, trench specified)
0.23 (trench)
Heat loss [%]
17.5
Reference 1
https://www.danskfjernvarme.dk/-/media/danskfjernvarme/gronenergi/projekter/eudp-lavtemperatur-fjv/guidelines-for-LTDH inal_rev1.pdf
Reference 2
http://celsiuscity.eu/wp-content/uploads/2019/11/Aarhus-Tilst.pdf