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Description
LogoEco Dual G1.1 HIU’s are for use where instantaneous hot water preparation is required combined with space heating output from one unit.
The LogoEco Dual G1.1 is a heat interface unit for transferring heat from the district heating network to the domestic heating and hot water systems. The interface unit is fitted with two heat exchangers: one for domestic water and one for the central heating system. These heat exchangers ensure physical separation (hydraulic) between the interior installation and the district heating network. The medium in the district heating network can then not come into contact with the medium in the interior installation. Heat is transferred from the district heating network through the heat exchangers to the domestic water installation and CH system.
Designed to suit projects where minimal space combined with high output is required. Can be supplied in a range of types of connections. Independent and precise control of each Plate Heat Exchanger (PHE) to optimise Primary Return Temperature (VART). Latest, high efficiency low approach temperature, compact Plate Heat Exchangers are used. Fully insulated case minimising heat losses to the surrounding area and intensifying the heat transfer to the dwelling. Highly visible status light indicating, without removing the case, the current readiness of the HIU. Weekly auto pasteurisation of the hot water side of the unit when idle, minimising the risk of legionella. Default comfort setting keep warm function ensuring energy consumption to maintain the HIU in a state of readiness is optimised.
The actual LogoEco Dual G1.1 is available with 3 pipes top and 3 pipes at the bottom of with 2 pipes at the top and 4 pipes at the bottom side. To make it happen that all pipes will take place at the top side the option Connection set 4 pipes for the LogoEcoDual G1.1 4PB-2PT is useable.
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Technical Features
Mounting: Surface mounted.
Heating System: 2 pipe flow.
Pipework: Copper pipe with brass fittings.
Heat exchangers: Stainless steel, copper brazed.
Casing: Foam Arpro 50g/I density (Appendix A) with white painted metal sheet banding.
Primary and secondary Fluid (heating): Low pressure hot water.
Secondary Fluid (Domestic Hot Water): Potable hot water service.
Size including case (excl. first Fix Rails): 490 x 275 x 640 mm (W x D x H).
Heat meter: HeatSonic with M-Bus integrated.
Electrical connection: 230 VAC – 50 Hz.
Keep warm mode 35°C (adjustable: 25 °C – 60 °C) (3).
Potential free thermostat on/off contact: yes (1).
(1) Suitable for on/off thermostats with potential-free switching, such as Honeywell Round on/off (T87G2014).
(3) Settings can be read out and changed using special service software and service cable for mechanics. -
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