TANKLESS CE 12 KW Information Manual Download Page 4

Page: 4 / 17

800 826 5537 03/24/2017

Controls Explanation CE , CES and CERO Series models

Options for factory software settings include the following items

Commercial water heaters

Safety shower heaters

CE and CERO CES

Maximum temperature:

60 to 185 F 60 to 90 F

Initial output setting per customer request 85 F

Freeze protection at 40 degrees F Yes

Yes

For use on a recirculation system

Yes

F or C

Flashing to show over capacity condition

Yes

Shows output temperature and

Requested output temperature intermittently

Each 60 seconds

Yes

RS 232 interface available

Yes

Summary of Contents for CE 12 KW

Page 1: ...E 12 KW CE 15 KW CE 18 KW CE 24 KW CE 27 KW CE 48 KW CES 12 KW CES 15 KW CES 18 KW CES 24 KW CES 27 KW CES 36 KW CE 120 KW CE 144 KW or CE 108 KW CE 72 KW CE 54 KW or CE 48 KW CES 120 KW CES 144 KW or CES 108 KW CES 72 KW CES 54 KW or CES 48 KW FOR MORE DETAILED SCHEMATICS AND WIRING DIAGRAMS VISIT HOTWATERHEATER COM 2060 B Whitfield Park Avenue Sarasota FL 34243 800 826 5537 tanklessinc stiebel e...

Page 2: ...O 54 KW CERO 72 KW CE 72 KW CES 72 KW CE 108 KW CES 108 KW CE 120 KW CES 120 KW CE 144 KW CES 144 KW __________________________________ PAGE How a CE and CES Series Heaters Work 3 Controls Explanation 4 Engineering Information and Breaker Sizes 5 Recovery Capacities Chart 6 CE Series Installation 7 Assembly Drawing 12 KW 15 KW or 18 KW 8 Assembly Drawing 24 KW 27 KW 36 KW 9 Assembly Drawing 48 KW ...

Page 3: ... to the Control Board 3 Desired output temperature The customer provides this information and can adjust the level using the rocker switch at the left side of the unit for the 12 kw 15 kw 18 kw 36 kw 48 kw 54 kw and 72 kw units and using either the buttons on the board or the rocker switch on the right side for the 108 KW 120 KW or the 144 KW units 4 On the CE and CERO series the acceptable temper...

Page 4: ...ters CE and CERO CES Maximum temperature 60 to 185 F 60 to 90 F Initial output setting per customer request 85 F Freeze protection at 40 degrees F Yes Yes For use on a recirculation system Yes No F or C F F Flashing to show over capacity condition Yes Yes Shows output temperature and Requested output temperature intermittently Each 60 seconds Yes Yes RS 232 interface available Yes Yes ...

Page 5: ...owing charts show the full load AMP draw breakers required and physical size for each of our larger electronic units engineering chart and the capabilities of each unit recovery chart in terms of temperature rise at a certain flow rate ...

Page 6: ...800 826 5537 03 24 2017 6 ...

Page 7: ...o drive an external alarm 9 Flow water thru the unit 10 Check the settings on the delay switch in the unit Factory settings are 1 meaning one minute The unit will turn on 1 minute after you have power to the unit and the water pressure is above 3 PSI 11 Check kill switch to insure it is in the off pushed in position if applicable 12 Turn on the toggle switches to the unit s 10 in the picture on pa...

Page 8: ...800 826 5537 03 24 2017 8 Assembly Drawing for CE 12 KW CE 15 KW CE 18 KW CES 12 KW CES 15 KW CES 18 KW ...

Page 9: ...800 826 5537 03 24 2017 9 Assembly Drawing for CE 24 KW CE 27 KW or CE 36KW CERO 27 KW and CERO 36 KW CES 24 KW CES 27 KW CES 36 KW ...

Page 10: ...800 826 5537 03 24 2017 10 Assembly Drawing for CE 72 or CE 54 or CE 48 KW CERO 72 KW or CERO 54 KW CES 48 KW CES 54 KW CES 72 KW ...

Page 11: ...800 826 5537 03 24 2017 11 Assembly Drawing for CE 108 KW CE 120 KW or CE 144 KW CES 108 KW CES 120 KW CES 144 KW ...

Page 12: ...tinuity then you must replace the pressure switch PROBLEMS THAT CAN OCCUR No heating of any water Solution 1 Verify that the computer board is on and reading the current temperature If not then check the water pressure and power in for a bad connection or not enough pressure 2 Take the pressure switch out of the equation by connecting temporaily the in and out to the pressure switch If the unit co...

Page 13: ...w have a part that is not working and it is probably an element or a thermostat in that circuit Too much heat 1 This generally occurs when a triac fails and does not properly shut off the electricity flow to the elements In this case the thermostats sut the unit down but the customer will not be able to adjust the output temperature Find the failed triac by shutting off the flow and do the AMP dra...

Page 14: ...800 826 5537 03 24 2017 14 ...

Page 15: ...hrenheit the fuse side of the thermostat will burn and the thermostat will never work again The thermostat will have continuity if the fuse side of the thermostat is still good The thermostats condition is determined by a continuity check AFTER POWER IS OFF AND AFTER COLD WATER HAS BEEN RUN THRU THE HEATER TO RESET THE THERMOSTATS Continuity is tested between the arms on the thermostat Occasionall...

Page 16: ...der Call us at 800 826 5537 for assistance if you have any questions If the unit is still not putting out the temperature of fluid you expect you need to do the following tests Set the temperature to a high enough temperature and flow level that the heater will need maximum draw to fulfill the task Test for full load AMP draw with an AMP meter after referring to the engineering chart on page 4 tha...

Page 17: ... you have a computer board that is expecting more or less power going to the elements Shut the unit off and do an ohms test on each element as shown in step 1 above If all elements are good re do the continuity test on the thermostats If they all have continuity they are good and are not the problem If all the above checks out and you do not get the output you should then you should call us at 800...

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