Product Information
Greenstar – 6721852556 (2022/11)
4
▶ Hand over the installation and operating instructions to the user for
safekeeping.
2
Product Information
2.1
Scope of delivery
▶ Check that the delivery is complete and undamaged.
Fig. 1
Scope of delivery of heat interface unit
[1]
Heat Interface Unit
[2]
Wall mounting bracket
[3]
Installation and maintenance instructions, gaskets (10 x), drilling
template
2.2
Product description
The heat interface unit (HIU) is used to provide heating energy and
potable hot water in buildings supplied by district heating or central
heating systems.
The HIU complies with the COSHH regulations (Control of Substances
Hazardous to Health Regulations 1988).
To remove the cover of the wall mounted HIU:
▶ Undo the screws at the bottom [2] and lift cover [1] up and out of the
frame.
Fig. 2
Removing the cover of the wall mounted station
Fig. 3
Station with heating circuit with mixer
[1]
DHW control valve
[2]
Control unit
[3]
Heating control valve
[4]
Primary circuit air vent valve
[5]
Heating circuit air vent valve
[6]
Return temperature sensor NTC for heating circuit (primary side)
[7]
Heating circuit plate heat exchanger (brazed stainless steel)
[8]
Differential pressure control valve, do not change adjusting
screw! (optional)
[9]
Flow temperature sensor NTC for heating circuit
[10] Heat meter (optional)
[11] Heating circulation pump
[12] Thermal bypass (optional)
[13] Heating circuit drain valve, flow
[14] Heating circuit drain valve, return
[15] Heating circuit pressure relief valve
[16] Heating circuit return connection 22 mm compression ring fitting
[17] Heating circuit flow connection 22 mm compression ring fitting
[18] Primary circuit return connection 22 mm compression ring fitting
(option: flat face fitting)
[19] Primary circuit flow connection 22 mm compression ring fitting
(option: flat face fitting)
[20] Hot water connection (DHW) 22 mm compression ring fitting
[21] Cold water connection (CWC) 22 mm compression ring fitting
[22] Primary circuit drain valve and strainer
[23] Heat meter flow sensor connection M10x1
[24] Flow temperature sensor NTC primary circuit
[25] Flow turbine and limiter with strainer
[26] DHW pressure-relief valve
[27] DHW over temperature valve
[28] NTC temperature sensor DHW
[29] DHW plate heat exchanger (brazed stainless steel)
[30] Expansion Vessel
[31] DHW air vent valve
0010032940-001
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6720808928-06.1W
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00100
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31735
