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 | CE CES CERO SERIES 

WWW.STIEBEL-ELTRON-USA.COM

CONTENTS | OPERATION  

 

OPERATION

1. General 

information

Read this entire manual. Failure to follow all the guides, instructions 
and rules could cause personal injury or property damage. Improper 
installation, adjustment, alteration, service and use of this unit can 
result in serious injury.

This unit must be installed by a licensed electrician and plumber. The 
installation must comply with all national, state and local plumb-
ing and electric codes. Proper installation is the responsibility of 
the installer. Failure to comply with the installation and operating 
instructions or improper use voids the warranty.

Save these instructions for future reference. The installer should 
leave these instructions with the consumer.

If you have any questions regarding the installation, use or opera-
tion of this water heater, or if you need any additional installation 
manuals, please call our technical service line at 800.582.8423 (USA 
and Canada only). If you are calling from outside the USA or Canada, 
please call USA 413.247.3380 and we will refer you to a qualified 
Stiebel Eltron service representative in your area.

!

This is the safety alert symbol. It is used to alert you to 
potential personal injury hazard. Obey all safety mes-
sages that follow this symbol to avoid possible injury or 
death.

1.1 Safety 

information

1.1.1  Structure of safety information

 

KEYWORD

: Type of risk

Here, possible consequences are listed that may 
result from not observing the safety information.

 

f

Steps to prevent the risk are listed.

1.1.2  Symbols, type of risk

Symbol

Type of risk

!

Injury 
 

Electrocution 
 

Burns or scalding 
 

OPERATION

1. General 

information ___________________________________________ 2

1.1 Safety 

information 

__________________________________________________ 2

1.2 

Other symbols in this document _________________________________ 3

2. Safety 

____________________________________________________________ 3

2.1 Intended 

use 

_________________________________________________________ 3

2.2 Safety 

precautions 

__________________________________________________ 3

2.3 Test 

symbols 

_________________________________________________________ 3

2.4 

Licenses / certificates ______________________________________________ 3

3. Functional 

characteristics 

_____________________________________ 4

4. Troubleshooting ________________________________________________ 5

4.1 Fault 

table 

____________________________________________________________ 5

4.2 

Solutions based on symptoms in fault table __________________ 5

4.3 

Cold element resistivity by heater type (in Ohms) ___________ 5

5. Mounting 

the 

water heater ___________________________________ 6

5.1 Mounting 

_____________________________________________________________ 6

6. Water 

connections 

_____________________________________________ 6

6.1 

Venting the air_______________________________________________________ 6

6.2 Leakage 

check 

_______________________________________________________ 7

7. Electrical 

connection 

___________________________________________ 7

7.1 Safety__________________________________________________________________ 7
7.2 Electric 

supply 

_______________________________________________________ 7

7.3 

Terminal block torque _____________________________________________ 7

8. Commissioning 

_________________________________________________ 7

9. Maintenance 

____________________________________________________ 7

10. Technical 

data 

__________________________________________________ 8

10.1 

Technical data - CE series _________________________________________ 8

10.2 

Technical data - CES series _______________________________________ 9

10.3 

Technical data - CERO series ____________________________________10

10.4 Dimension 

drawings 

______________________________________________11

10.5 Wiring 

diagrams ___________________________________________________14

10.6 

CE/CES/CERO Temperature rise _________________________________26

11. 

Spare parts and service advice ______________________________ 27

12. Warranty 

_______________________________________________________ 29

Summary of Contents for CE 108 KW

Page 1: ...499 Certi ed to CAN CSA Std C22 2 No 88 CE CES CERO 12 KW CE CES CERO 15 KW CE CES CERO 18 KW CE CES CERO 24 KW CE CES CERO 27 KW CE CES CERO 36 KW CE CES CERO 48 KW CE CES CERO 54 KW CE CES 60 KW CE...

Page 2: ...________ 3 2 1 Intended use_________________________________________________________ 3 2 2 Safety precautions__________________________________________________ 3 2 3 Test symbols _____________________...

Page 3: ...censed electrician and plumber The installation must comply with all national state and local plumbing and electric codes Service of the water heater must be performed by quali ed service technicians...

Page 4: ...d 120 144 kW models contain 24 heating elements The elements used in different con gurations are for 208 240 277 and 288 V CE CES CERO models are available in a NEMA 3 standard a NEMA 4 optional or a...

Page 5: ...in breaker back on Turn on the heater on off switch 12 For resistivity test turn the breaker off and check voltage just in case 4 1 Fault table Symptom Possible cause Action No hot water A B C D E F G...

Page 6: ...be connected to the pressure relief valve make sure that the drain water is not blocked by anything 5 1 1 Enclosure dimensions excluding plumbing ttings NEMA 3 NEMA 4 4X Capacity No of Elements Width...

Page 7: ...ing to NEC Wire gauge AWG Torque lb in 8 80 6 4 165 3 275 The water heater should be connected to a properly grounded ded icated branch circuit of proper voltage rating In installations with several C...

Page 8: ...00 32 48 40 CE 36 KW CE 036 208D 208 36 00 99 93 110 6 185 8 x 217 8 x 9 CE 036 240D 240 36 00 86 60 100 CE 036 400D 400 33 28 48 04 60 CE 036 400Y 400 Wye 33 06 47 72 60 CE 036 480D 480 36 00 43 30 5...

Page 9: ...CES 36 KW CES 036 208D 208 36 00 99 93 110 6 185 8 x 217 8 x 9 CES 036 240D 240 36 00 86 60 100 CES 036 400D 400 33 28 48 04 60 CES 036 400Y 400 Wye 33 06 47 72 60 CES 036 480D 480 36 00 43 30 50 CES...

Page 10: ...00 24 09 30 CERO 27 KW CERO 027 208D 208 27 04 75 06 80 6 185 8 x 217 8 x 9 CERO 027 240D 240 27 02 65 01 80 CERO 027 480D 480 27 02 32 50 40 CERO 36 KW CERO 036 240D 240 36 00 86 60 100 6 185 8 x 21...

Page 11: ...CERO 12 18 NEMA 3 enclosure C B D A E Capacity No of Elements A B C D E 12 18 kW 3 253 8 91 8 161 16 151 8 2 10 4 2 CE CES CERO 12 36 NEMA 4 4X enclosure C G B D A E F Capacity No of Elements A B C D...

Page 12: ...0 4 3 CE CES CERO 24 36 NEMA 3 enclosure C B D A E Capacity No of Elements A B C D E 24 36 kW 6 323 8 9 185 8 217 8 3 10 4 4 CE CES CERO 48 72 NEMA 3 enclosure C B D A E Capacity No of Elements A B C...

Page 13: ...A 10 4 5 CE CES CERO 81 144 NEMA 3 enclosure CE CES CERO 48 144 NEMA 4 4X enclosure C G B D A E F Capacity No of Elements A B C D E F G 48 72 kW 12 503 8 135 8 24 48 4 375 8 321 8 81 108 kW 18 503 8 1...

Page 14: ...r CE CES CERO 12 208 240 V CE CES CERO 15 208 240 V CE CES CERO 18 208 240 V A1 Thermistor D1 F1 F3 Fuse FS1 Flow sensor G1 D G2 K P1 Low pressure switch R1 R3 Resistance element S1 K S2 d T1 T3 Therm...

Page 15: ...12 400 480 V Wye CE CES CERO 15 400 480 V Wye CE CES CERO 18 400 480 V Wye A1 Thermistor D1 F1 F3 Fuse FS1 Flow sensor G1 D G2 K P1 Low pressure switch R1 R3 Resistance element S1 K S2 d T1 T3 Thermos...

Page 16: ...ERO 24 208 240 V CE CES CERO 27 208 240 V CE CES CERO 36 208 240 V A1 Thermistor D1 F1 F6 Fuse FS1 Flow sensor G1 D G2 K P1 Low pressure switch R1 R6 Resistance element S1 K S2 d T1 T6 Thermostat TR1...

Page 17: ...27 400 480 V CERO 27 480 V CE CES CERO 36 400 480 V A1 Thermistor D1 F1 F3 Fuse FS1 Flow sensor G1 D G2 K P1 Low pressure switch R1 R6 Resistance element S1 K S2 d T1 T6 Thermostat TR1 TR3 Triac TX1 d...

Page 18: ...24 575 V CE CES CERO 36 575 V A1 Thermistor D1 F1 F3 Fuse FS1 Flow sensor G1 D G2 K P1 Low pressure switch R1 R6 Resistance element S1 K S2 d T1 T6 Thermostat TR1 TR3 Triac TX1 d X0 Main terminal bloc...

Page 19: ...CE CES 54 208 240 V CERO 54 240 V CE CES 60 208 240 V CE CES 72 208 240 V CERO 72 240 V t W Delta Configuration L1 E3 E1 E2 L2 L3 HX Flow Layout A1 Thermistor D1 F1 F12 Fuse FS1 Flow sensor G1 D G2 K...

Page 20: ...4 480 V CE CES 60 400 480V CE CES 72 480 V CERO 72 400 480 V t W A1 Thermistor D1 F1 F6 Fuse FS1 Flow sensor G1 D G2 K P1 Low pressure switch R1 R12 Resistance element S1 K S2 d T1 T12 Thermostat TR1...

Page 21: ...RO 48 575 V CE CES CERO 72 575 V t W A1 Thermistor D1 F1 F6 Fuse FS1 Flow sensor G1 D G2 K P1 Low pressure switch R1 R12 Resistance element S1 K S2 d T1 T12 Thermostat TR1 TR6 Triac TX1 d X0 Main term...

Page 22: ...O 144 400 480 V A1 A2 Thermistor 1 Thermistor 2 D1 F1 F12 Fuse FS1 Flow sensor 1 FS2 Flow sensor 2 G1 D G2 K P1 Low pressure switch R1 R24 Resistance element S1 K S2 d T1 T24 Thermostat TR1 TR12 Triac...

Page 23: ...A COM CE CES CERO SERIES 23 ENGLISH INSTALLATION TECHNICAL DATA 10 5 10 CE CES CERO 120 CE CES CERO 144 400 V 480 V Delta wiring diagram page 2 This diagram is valid for CE CES CERO 120 400 480 V CE C...

Page 24: ...mistor 1 Thermistor 2 D1 F1 F12 Fuse FS1 Flow sensor 1 FS2 Flow sensor 2 G1 D G2 K P1 Low pressure switch R1 R24 Resistance element S1 K S2 d T1 T24 Thermostat TR1 TR12 Triac TX1 d X0 Main terminal bl...

Page 25: ...WWW STIEBEL ELTRON USA COM CE CES CERO SERIES 25 ENGLISH INSTALLATION TECHNICAL DATA 10 5 12 CE CES CERO 144 575 V Delta wiring diagram page 2 This diagram is valid for CE CES CERO 144 575 V...

Page 26: ...1 8 GPH 737 492 369 295 246 211 184 164 147 134 123 113 105 48 kW GPM 16 4 10 9 8 2 6 6 5 5 4 7 4 1 3 6 3 3 3 0 2 7 2 5 2 3 GPH 983 655 492 393 328 281 246 218 197 179 164 151 140 54 kW GPM 18 4 12 3...

Page 27: ...ugh the heater If the cut off has no continuity it should be replaced Make sure that the water is drained and the power supply is off Remove the wires to the cut off with a athead screwdriver Remove t...

Page 28: ...nuity the pressure switch is not the cause f If there is no continuity drain the water from the heater and remove the wires from the switch Mark the wires with the switch pole designation Pole nb 1 ne...

Page 29: ...orized to make all warranties on Manufacturer s behalf and no statement warranty or guarantee made by any other party shall be binding on Manufacturer Manufacturer shall not be liable for any damage w...

Page 30: ...30 CE CES CERO SERIES WWW STIEBEL ELTRON USA COM NOTES...

Page 31: ...WWW STIEBEL ELTRON USA COM CE CES CERO SERIES 31 NOTES...

Page 32: ...5537 Fax 941 755 6529 tanklessinc stiebel eltron usa com 17 West Street West Hat eld MA 01088 Tel 413 247 3380 Fax 413 247 3369 info stiebel eltron usa com www stiebel eltron usa com Rev 1 2020 Subjec...

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