germany-aachen: installation work of refrigeration equipment./ ve4.04 cold - revitalization of the new spa building./ 2 compression refrigeration systems each approx. 430 kw 2 dry coolers with a closed circuit each, approx. 530 kw 1 tank of 3000 liters 2 distributors (124 m3/h and 78 m3/h) including peripherals approx. 2200 m stainless steel pipeline up to ad 54 approx. 800 m pipeline steel, black up to dn 150 approx. 6 ulk ceiling devices in 4-wire operation approx. 60 ulk as a wall unit in 4-wire operation