Development Project for a Seventh Heat Pump Unit for Helen Ltd Katri Vala Heat Pump Station


06 - Contract award notice - utilities
Negotiated procedure
7/29/2020 9:31 AM (GMT+02:00)


Helen Ltd Helen Ltd
Sari Aapro
Kampinkuja 2
00100 Helsinki

Assignment text

A development project to design and build up one heat pump. The designed heat pump unit has to meet following requirements: — refrigerant R1234ze; — as high heating capacity as possible; — maximum dimensions of the unit 20 m x 10 m x 8 m (length x width x height) approximately; — maximum heating outlet temperature ≥ 95 ºC; — sewage water to evaporator. Approved compressor type: turbo compressor. The heat pump unit shall be designed so that: (a) inlet temperature of sewage water to evaporator varies between + 6-20 ºC; (b) inlet temperature of district heating water to condenser varies between + 37-60 ºC.

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