Of course, when dealing with a central plant plan serving multiple dwellings, significant issues are stop-user time and temperature Management along with metering/billing of particular person Strength use. These criteria may be addressed with the applying of heat interface units (HIUs).
Domestic hot water and central heating on demand with hydraulic method separation and two heat exchangers
Domestic scorching h2o and central heating on need with hydraulic system separation and two heat exchangers
At Mibec we can offer HIUs in several permutations to suit the challenge. Types are meant to offer you each offer, and very importantly, specific metering of DHW and / or Main heating drinking water.
Within the surface Heat Interface Units (HIUs) seem similar to your typical boiler, on the other hand, Perform a really distinctive part in District Heating as described underneath. HIUs Participate in an important role because the pivot concerning a central boiler and the recent water stores in somebody condominium.
Difficult-wired HIUs transmit information by way of a community of information cabling set up inside the creating fabric to the central hub. Wi-fi selections will also be offered, making use of network nodes to boost information transmission around much larger buildings, all over again accumulating knowledge to some central hub.
Even so, nearly all of HIUs which have been deployed at task internet sites are thermostatic controlled. Thermostatic managed units have the main advantages of a lessen Preliminary Price tag but do have their disadvantages as quite a few customers detect fluctuations in water temperatures, even though This may be managed by making use of a fast-responding thermostat.
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The HIU is indirect so the key heating circuit is hydraulically separated within the house Place heating by a plate heat exchanger. The unit operates only when DHW or Place heating HIU repair is required guaranteeing Power economical Procedure.
HIUs include things like individual accurate metering that makes billing with the tenants fairer and makes it simple to the landlord to control substantial portfolios of Houses. Pre-payment metering can be accommodated as an alternative. The tenants will even have superior visibility of use promoting Power saving within the dwelling.
When deriving pipework distribution and pump sizes, it is suggested that horizontal branches at Every flooring level are piped within a reverse return structure, each to aid with hydraulic balancing and to make sure even distribution of heat concerning dwellings (see Figure 5).
The SATK22 heat interface unit with Highly developed electronic capabilities is the most recent ‘clever’ variety of HIU from Altecnic, with designs obtainable for minimal, medium and high-temperature programs.
These units might be put in both internally within just Each individual dwelling, or recessed into the dividing wall in between dwelling and landlord Area, enabling simplicity of accessibility for inspection and maintenance.