The DATA Extra HIU, Installation Instructions DE2, 12th August 2021
Description
The HIU is for use in properties connected to a district heating system using a centralised boiler and is suitable for both central heating
and domestic hot water. Each hydraulic circuit to which the HIU is connected, must meet minimum water quality standards as stated in
document "Requirements on water quality" available on our Wiki Site at www.heatweb.co.uk/w.
Please keep the following conditions in mind during installation:
The unit must be installed in a frost free area.
The unit must not be exposed to direct sunlight.
Ambient temperature should be b5°C and +40°C.
Humidity should be between 10% and 85%.
The unit must be connected to a fused double pole isolator.
The unit uses 230 VAC. Use caution when handling. Contact may lead to shock, burns or electrocution.
Components in the unit and connected to the unit can reach high temperatures. Contact may lead to burns.
DHW Status Indicator LED
Green blinking slowly (about 1x per second): HIU is at rest; there is no heat demand and all control valves are closed.
Blue blinking: HIU is in Hot water mode; there is a water draw-off and the control valve is open.
Red blinking: Error
White continuous (only for engineers): HIU is in service mode
No LED: HIU is switched off
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Содержание DATA Extra HIU
Страница 7: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Dimensions Page 7...
Страница 15: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 HIU Schematic Page 15...
Страница 17: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Wiring Schematic Page 17...
Страница 21: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 DHW Performance DHW Performance Table Page 21...
Страница 26: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Secondary Flow Rate CH Pressure Drops Page 26...
Страница 29: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Stage 3 Pipe Connections Page 29...
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Страница 40: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Troubleshooting for Technicians Page 40...