Electrical residential / light commercial water heater EES - 6/15/20/30/40/52/66/80/120 Vertical electric water heater for residential / light commercial applications • One or two replaceable Incoloy-sheathed elements (depending on the model) • Each element is provided with an independent control thermostat (adjustable: 43 - 77 °C) • Secondary protection is provided by a high-limit thermostat with manual reset •...
Technical specifications Electrical data Input Current Elements Power supply VAC/Hz Draw-off capacity Storage capacity Max. temperature setting °C 30 min. ∆T=44°C 60 min. ∆T=44°C 90 min. ∆T=44°C 120 min. ∆T=44°C Continuous ∆T=44°C Heating-up time ∆T=44°C min. 30 min. ∆T=50°C 60 min. ∆T=50°C 90 min.
18 Water tank 19 Float valve Cold water Hot water Overﬂ ow pipe Expansion vent pipe EES 30-120 A.O. Smith unvented system kits utilise combination valves. Further installation and connection details can be found in the Installation & Commissioning Manual. EES 30-120...
Electrical diagrams EES 6-20 EES 30-120 www.aosmithinternational.com Standard electrical supply Safety thermostat Control thermostat with selector switch Heating elements Control themostat Off peak electrical supply For the parts numbers of components please refer to the “Maintenance and accessories” chapter.