The HRS is a high capacity standard chiller with a 20.5 kW capacity specifically for North American applications. UL certification and a 3-phase, 460 VAC power requirement are standard features. The refrigeration circuit is air cooled by a single large fan, with the overall package rated at a 75 dB(A) noise level. Set temperatures are PID controlled, while the system is monitored for 39 alarms. Additional features include a heating function, serial communication, and IPX4 ingress rating for outdoor installation.