Related Manuals for A.O. Smith CEWHR Series
Summary of Contents for A.O. Smith CEWHR Series
- Page 1 Intelligent Water Heater (CEWHR) CEWHR-40PE6/CEWHR-40 CEWHR-50PE6/CEWHR-50 CEWHR-80PE6/CEWHR-80 CEWHR-100PE6/CEWHR-100 User Guide...
- Page 2 About A.O. Smith In 1936, A. O. Smith developed and patented a technology to glass-line water heaters. Over the years, A. O. Smith has gained the respect and support of homeowners, contractors, architects and specifying engineers in over 60 countries by providing innovative, energy efficient products designed for years of trouble-free service.
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Page 3: Table Of Contents
Contents Specifications ..............4 Dimensions Key Features ..............5 Blue Diamond Dual Elements Blue Diamond Tank Touch Control Panel Hot Water Display Instant Heating MAX Function Intelligent Dormancy Programmable Timer 3 Year Full Warranty Thermal Cut Out High Efficiency Insulation Pressure Relief Valve Anode Protection Installation .................7 Mounting... -
Page 4: Specifications
Specifications Type CEWHR - Intelligent Water Heater Rated volume (L) Power (kW) 2.0/3.3 2.0/3.3 2.0/3.3 2.0/3.3 Voltage/Frequency (V/Hz) 230/50 230/50 230/50 230/50 Temperature range (°C) 35-75±5 35-75±5 35-75±5 35-75±5 Rated water pressure (MPa) Minimum inlet water pressure (MPa) Maximum inlet water pressure (MPa) Inlet/outlet connection (inches) ½... -
Page 5: Key Features
Key Features Blue Diamond Dual Elements (Patent ZL200510037670.1) This water heater has two patented Blue Diamond heating elements which increase heating efficiency by up to 50%. Blue Diamond Tank (Patent US6303183) Patented A. O. Smith Blue Diamond Tanks provide superior durability. The longest lasting Blue Diamond tank in the world was used for 52 years. -
Page 6: Programmable Timer
Programmable Timer The timer turns on the water heater for you so you don’t have to turn it on manually. It also switches your heater to energy saving mode when not in use. 3 Year Full Warranty With the highest manufacturing standards and strict quality control, we assure users durability with a 3 year full warranty on the whole unit, the longest warranty in years Singapore. -
Page 7: Installation
Installation CAUTION: • Please wait for 30 minutes before using the heater for the first time. • The heater should only be connected to a power source after a full installation which ensures secure mounting, piping, wiring and filling of the tank with water. •... -
Page 8: Plumbing Connection
A plastic expansion tube must be placed into the drilled holes before the brackets are inserted. It is necessary to use a special inner hexagon spanner to fasten the bolts into the expansion tubes, no other tools are permitted. Ensure the screw is not excessively tightened. This may damage the expansion tubes. -
Page 9: Water Inlet And Outlet Connection
Water Inlet and Outlet Connection Power Connection This water heater must be permanently connected to the electrical supply through a double pole switch having a contact separation of at least 3mm in all poles incorporated in the fixed wiring. The insulation of the fixed wiring must be protected by an insulating sleeving with a temperature rating of at least 80°C. -
Page 10: Water Filling
Water Filling After all the pipes are connected, open the discharge valve of the water heater and then the feed valve. Fill the water heater with water and exhaust the air till a uniform water stream flows out of the hot water outlet. -
Page 11: Directions For Use
Directions For Use CAUTION: • Before using the water heater, ensure it is filled with water and that the power plug has been connected properly. By default, the water heater is set to: Heating indicator • Mode: Standard • Time: 12:00 •... - Page 12 Timer off mode Timer on mode, where timer lights are showing 4. Setting the clock Ensure you are in ‘timer off’ mode, then hold down the ‘Program’ button for 3 seconds till the time on the screen flashes. Press the “ ‡ ” the “ ˆ ” buttons to set the hour, then press the ‘Program’ button again to confirm the hour.
- Page 13 6. Setting the second timer The second timer is an added feature that can only be set between the hours of 21:00 – 08:00. Note that the timer will only work in standard mode. Before setting the timer, ensure the clock is adjusted to the right time.
- Page 14 7. Instant heating function In situations when all the water is used up in the heater, the instant heating function allows users to get 40ºC of water in 2 minutes instead of waiting for 30 minutes. Press the ‘Instant’ button to enter instant heating mode.
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Page 15: Maintenance Instructions
Maintenance Instructions DECLARATION: Only an A. O. Smith authorized service personnel may maintain and repair this water heater. Improper methods could result in serious injury or property damage. WARNING - Electric shock: Before repairing the water heater, be sure to disconnect the water heater from the power source. -
Page 16: Troubleshooting
Troubleshooting Problem Possible causes Corrective action Display is off 1. No power to heater 1. Switch on power to heater No hot water 2. No power at electric socket 2. Check power socket 3. Failure in control circuit or 3. Contact local authorized internal wiring dealer Display is off... -
Page 17: Wiring Diagram
Wiring Diagram CAUTION: • Before installing the heater, ensure that the power source and wires are suitable • The heater should be earthed reliably. Ensure the earth wire is not in contact with the neutral wire or any pipes • Once the temperature has been set and the relief valve installed, end users should not alter the installation location or tamper with the relief valve •...