Germany – Heating, ventilation and air-conditioning installation work – Wärmeversorgung, Kälteversorgung

Heating: Hot water storage tank volume 350 l, charging capacity approx. 35 kW; threaded pipe DN 15 to DN 50 approx. 1100 m; welded steel pipe DN 65 to DN 80 approx. 210 m in the building, welded stainless steel pipe DN 80 approx. 200 m in the outdoor area; fittings DN 15 to DN 80 approx. 80 units; plate heat exchanger counterflow (heat output 322 kW); diaphragm expansion vessel 500 l 1 unit; inline pump 4 units; distributor 2 units (10 and 12 branches); radiators 55 units; ceiling panel radiators 5 units.

Cooling: Air-cooled chiller cooling capacity approx. 510 kW; threaded pipe DN 25 to DN 50 approx. 285 m; welded steel pipe DN 65 to DN 200 approx. 220 m in the building, welded stainless steel pipe DN 150 / DN 200 approx. 350 m in the outdoor area; fittings DN 15 to DN 200 approx. 82 units; diaphragm expansion vessel 80 l 1 unit; buffer storage tank 2250 l 1 unit; inline double pump 1 unit; inline pump 4 units; distributor 2 units (8 and 16 branches); ceiling cassette air handling unit 12 kW/4 kW/3 kW 7 units; ceiling-mounted air handling unit 6 kW / 2.5 kW 4 units; split air conditioner 2-pipe outdoor unit 20 kW 2 units; copper pipe nominal size 6 - 22 mm approx. 200 m in the building, 50 m in the outdoor area.