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TANKLESS CE Series, Operation And Installation

The LG CE Series user manual is a comprehensive service sheet that provides detailed instructions for optimal use of your LG CE Series product. With easy accessibility through manualshive.com, you can effortlessly download this manual for free, ensuring you have all the essential information at your fingertips.

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WWW.STIEBEL-ELTRON-USA.COM 

CE CES CERO SERIES| 

19

EN

GL

ISH

INSTALLATION  

 

TEChNICAL DATA

11.5.6  CE/CES/CERO 48–72, 208 V & 240 V Delta wiring diagram

This diagram is valid for: CE/CES 48 208/240 V, CERO 48 240 V, 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

CE Wiring Diagram

 17 West St., W. Hatfield, MA 01088 

|

 800.582.8423 

|

 413.247.3380 

|

 fax 413.247.3369 

|

 info

@

stiebel-eltron-usa.com 

|

 www.stiebel-eltron-usa.com

7

CE 48-72, 208 & 240 V Delta

This diagram is valid for CE 48 208 V, CE 54 208 V, CE 60 208 V, CE 72 208 V, CE 48 240 V, CE 54 240 V, CE 60 240 V, & CE 72 240 V.

Approved: Wes Palmer 01/17/20

CE-48-72-208/240D

CE Wiring Diagram

 17 West St., W. Hatfield, MA 01088 

|

 800.582.8423 

|

 413.247.3380 

|

 fax 413.247.3369 

|

 info

@

stiebel-eltron-usa.com 

|

 www.stiebel-eltron-usa.com

8

CE 48-72, 208 & 240 V Delta

This diagram is valid for CE 48 208 V, CE 54 208 V, CE 60 208 V, CE 72 208 V, CE 48 240 V, CE 54 240 V, CE 60 240 V, & CE 72 240 V.

A1

Control board

B1

Thermistor

D1

Delay timer

F1-F12

Fuse

FS1

Flow sensor

G1

Main power light

G2

On/off power light

P1

Low pressure switch

R1-R12

Resistance element

S1

On/off switch

S2

Temperature toggle switch

T1-T12

Thermostat

TR1-TR12

Triac

TX1

Transformer

X0

Main terminal block

X1

Ground terminal

X2

Secondary terminal block 1

X3

Secondary terminal block 2

X4

Fuse block

X5

Thermostat block

X6

Element block

X7

Triac block

X8

Transformer terminal block 1

Delta Configuration

L

1

E

3

E

1

E

2

L

2

L

3

HX Flow Layout

CE Wiring Diagram

 17 West St., W. Hatfield, MA 01088 

|

 800.582.8423 

|

 413.247.3380 

|

 fax 413.247.3369 

|

 info

@

stiebel-eltron-usa.com 

|

 www.stiebel-eltron-usa.com

8

CE 48-72, 208 & 240 V Delta

This diagram is valid for CE 48 208 V, CE 54 208 V, CE 60 208 V, CE 72 208 V, CE 48 240 V, CE 54 240 V, CE 60 240 V, & CE 72 240 V.

A1

Control board

B1

Thermistor

D1

Delay timer

F1-F12

Fuse

FS1

Flow sensor

G1

Main power light

G2

On/off power light

P1

Low pressure switch

R1-R12

Resistance element

S1

On/off switch

S2

Temperature toggle switch

T1-T12

Thermostat

TR1-TR12

Triac

TX1

Transformer

X0

Main terminal block

X1

Ground terminal

X2

Secondary terminal block 1

X3

Secondary terminal block 2

X4

Fuse block

X5

Thermostat block

X6

Element block

X7

Triac block

X8

Transformer terminal block 1

Delta Configuration

L

1

E

3

E

1

E

2

L

2

L

3

HX Flow Layout

CE Wiring Diagram

 17 West St., W. Hatfield, MA 01088 

|

 800.582.8423 

|

 413.247.3380 

|

 fax 413.247.3369 

|

 info

@

stiebel-eltron-usa.com 

|

 www.stiebel-eltron-usa.com

8

CE 48-72, 208 & 240 V Delta

This diagram is valid for CE 48 208 V, CE 54 208 V, CE 60 208 V, CE 72 208 V, CE 48 240 V, CE 54 240 V, CE 60 240 V, & CE 72 240 V.

A1

Control board

B1

Thermistor

D1

Delay timer

F1-F12

Fuse

FS1

Flow sensor

G1

Main power light

G2

On/off power light

P1

Low pressure switch

R1-R12

Resistance element

S1

On/off switch

S2

Temperature toggle switch

T1-T12

Thermostat

TR1-TR12

Triac

TX1

Transformer

X0

Main terminal block

X1

Ground terminal

X2

Secondary terminal block 1

X3

Secondary terminal block 2

X4

Fuse block

X5

Thermostat block

X6

Element block

X7

Triac block

X8

Transformer terminal block 1

Delta Configuration

L

1

E

3

E

1

E

2

L

2

L

3

HX Flow Layout

CE Wiring Diagram

 17 West St., W. Hatfield, MA 01088 

|

 800.582.8423 

|

 413.247.3380 

|

 fax 413.247.3369 

|

 info

@

stiebel-eltron-usa.com 

|

 www.stiebel-eltron-usa.com

8

CE 48-72, 208 & 240 V Delta

This diagram is valid for CE 48 208 V, CE 54 208 V, CE 60 208 V, CE 72 208 V, CE 48 240 V, CE 54 240 V, CE 60 240 V, & CE 72 240 V.

A1

Control board

B1

Thermistor

D1

Delay timer

F1-F12

Fuse

FS1

Flow sensor

G1

Main power light

G2

On/off power light

P1

Low pressure switch

R1-R12

Resistance element

S1

On/off switch

S2

Temperature toggle switch

T1-T12

Thermostat

TR1-TR12

Triac

TX1

Transformer

X0

Main terminal block

X1

Ground terminal

X2

Secondary terminal block 1

X3

Secondary terminal block 2

X4

Fuse block

X5

Thermostat block

X6

Element block

X7

Triac block

X8

Transformer terminal block 1

Delta Configuration

L

1

E

3

E

1

E

2

L

2

L

3

HX Flow Layout

Summary of Contents for CE Series

Page 1: ... 499 Certified 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 CES CERO 72 KW CE CES CERO 81 KW CE CES CERO 90 KW CE CES CERO 108 KW CE CES 120 KW CE CES CERO 144 KW ...

Page 2: ...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 ...

Page 3: ...licensed 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 qualified service technicians DANGER Electrocution Before proceeding with any installation adjustment al teration or service of the water heater all circuit breaker switches servicing the water heater must be turned off Make su...

Page 4: ...ned for caustic liquids like salt water To avoid corrosion titanium elements 1 are used instead of the standard incoloy elements 1 found in CE and CES models CE CES CERO 12 18 kW models contain 3 heating elements 24 36 kW models contain 6 heating elements 48 72 kW models contain 12 heating elements 81 108 kW models contain 18 heating elements and 120 144 kW models contain 24 heating elements The e...

Page 5: ...stivity test turn the breaker off and check voltage just in case 5 1 Fault table Symptom Possible cause Action No hot water A B C D E F G H I Circuit breakers off Turn circuit breakers on On off switch 12 defect Check voltage Pressure switch 3 Check voltage PCB sensor PCB voltage supply Check sensor NTC and flow sensor PCB voltage supply Transformer Check voltage X8 primary Check voltage yellow wh...

Page 6: ... relief valve make sure that the drain water is not blocked by anything 6 1 1 Enclosure dimensions excluding plumbing fittings NEMA 3 NEMA 4 4X Capacity No of Elements Width X Height Y Depth Z Width X Height Y Depth Z 12 18 kW 3 161 16 151 8 91 8 24 24 91 2 24 36 kW 6 185 8 217 8 91 4 24 24 91 2 48 72 kW 12 185 8 301 2 91 4 24 48 135 8 81 108 kW 18 24 48 135 8 24 48 135 8 120 144 kW 24 24 48 135 8...

Page 7: ...ng 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 CE CES CERO water heaters each unit requires a separate circuit with wire sizes according to NEC 9 Commissioning f Close the front cover before the electric supply is turned on f Before the heater is ac...

Page 8: ...7 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 50 CE 036 575D 575 36 00 36 15 40 CE 48 KW CE 048 208D 208 45 07 125 09 150 12 1 185 8 x 30 x 9 CE 048 240D 240 50 00 120 28 150 CE 048 400D 400 48 61 70 16 80 CE 048 480D 480 50 00 60 14 70 CE 048 5...

Page 9: ...0 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 036 575D 575 36 00 36 15 40 CES 48 KW CES 048 208D 208 45 07 125 09 150 12 1 185 8 x 30 x 9 CES 048 240D 240 50 00 120 28 150 CES 048 400D 400 48 61 70 16 80 CES 048 480D 480 50 00 60 14 70 CES 048 ...

Page 10: ...CERO 024 575D 575 24 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 217 8 x 9 CERO 036 400D 400 33 28 48 04 60 CERO 036 400Y 400 Wye 33 06 47 72 60 CERO 036 480D 480 36 00 43 30 50 CERO 036 575D 575 36 00 36 15 40 CERO 48 KW CERO 048 240D 240 50 00 1...

Page 11: ... 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 11 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 E F G 12 18 kW 3 263 8 91 2 24 24 4 357 8 311 4 24 36 kW 6 263 8 91 2 24 24 4 371 8 321 4 Hot outlet Cold inlet Hot outlet Cold inlet ...

Page 12: ...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 91 4 185 8 217 8 3 11 4 4 CE CES CERO 48 72 NEMA 3 enclosure C B D A E Capacity No of Elements A B C D E 48 72 kW 12 397 8 91 4 185 8 301 2 3 Hot outlet Hot outlet Cold inlet Cold inlet ...

Page 13: ... 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 8 135 8 24 48 4 373 4 321 4 120 144 kW 24 503 8 135 8 24 48 4 405 8 341 2 Hot outlet Cold inlet ...

Page 14: ...8 V CE 18 208 V CE 12 240 V CE 15 240 V CE 18 240 V A1 Control board B1 Thermistor D1 Delay timer F1 F3 Fuse FS1 Flow sensor G1 Main power light G2 On off power light P1 Low pressure switch R1 R3 Resistance element S1 On off switch S2 Temperature toggle switch T1 T3 Thermostat TR1 TR3 Triac TX1 Transformer X0 Main terminal block X1 Ground terminal X4 Fuse block X5 Thermostat block X6 Element block...

Page 15: ...sa com 3 CE 12 18 480 V Wye This diagram is valid for CE 12 480 V Wye CE 15 480 V Wye CE 18 480 V Wye A1 Control board B1 Thermistor D1 Delay timer F1 F3 Fuse FS1 Flow sensor G1 Main power light G2 On off power light P1 Low pressure switch R1 R3 Resistance element S1 On off switch S2 Temperature toggle switch T1 T3 Thermostat TR1 TR3 Triac TX1 Transformer X0 Main terminal block X1 Ground terminal ...

Page 16: ... V Delta This diagram is valid for CE 24 208 V CE 27 208 V CE 36 208 V CE 24 240 V CE 27 240 V CE 36 240 V A1 Control board B1 Thermistor D1 Delay timer F1 F6 Fuse FS1 Flow sensor G1 Main power light G2 On off power light P1 Low pressure switch R1 R6 Resistance element S1 On off switch S2 Temperature toggle switch T1 T6 Thermostat TR1 TR6 Triac TX1 Transformer X0 Main terminal block X1 Ground term...

Page 17: ... 480 V Delta This diagram is valid for CE 24 480 V CE 27 480 V CE 36 480 V A1 Control board B1 Thermistor D1 Delay timer F1 F3 Fuse FS1 Flow sensor G1 Main power light G2 On off power light P1 Low pressure switch R1 R6 Resistance element S1 On off switch S2 Temperature toggle switch T1 T6 Thermostat TR1 TR3 Triac TX1 Transformer X0 Main terminal block X1 Ground terminal X4 Fuse block X5 Thermostat...

Page 18: ...ta This diagram is valid for CE 36 575 V A1 Control board B1 Thermistor D1 Delay timer F1 F3 Fuse FS1 Flow sensor G1 Main power light G2 On off power light P1 Low pressure switch R1 R6 Resistance element S1 On off switch S2 Temperature toggle switch T1 T6 Thermostat TR1 TR3 Triac TX1 Transformer X0 Main terminal block X1 Ground terminal X4 Fuse block X5 Thermostat block 1 X6 Element block 1 X7 Ele...

Page 19: ...ower light G2 On off power light P1 Low pressure switch R1 R12 Resistance element S1 On off switch S2 Temperature toggle sw T1 T12 Thermostat TR1 TR12 Triac TX1 Transformer X0 Main terminal block X1 Ground terminal Delta Configuration L1 E3 E1 E2 L2 L3 HX Flow Layout CE Wiring Diagram CE 48 72 208 240 V Delta This diagram is valid for CE 48 208 V CE 54 208 V CE 60 208 V CE 72 208 V CE 48 240 V CE ...

Page 20: ...8 72 480 V Delta This diagram is valid for CE 48 480 V CE 54 480 V CE A1 Control board B1 Thermistor D1 Delay timer F1 F6 Fuse FS1 Flow sensor G1 Main power light G2 On off power light P1 Low pressure switch R1 R S1 S2 T1 T TR1 TX1 X0 X1 Delta Configuration L1 E3 E1 E2 L2 L3 HX Flow L CE Wiring Diagram 17 West St W Hatfield MA 01088 800 582 8423 413 247 3380 fax 4 CE 48 72 480 V Delta This diagram...

Page 21: ...Delta This diagram is valid for CE 72 575 V A1 Control board B1 Thermistor D1 Delay timer F1 F6 Fuse FS1 Flow sensor G1 Main power light G2 On off power light P1 Low pressure switch R S S T T T X X Delta Configuration L1 E3 E1 E2 L2 L3 HX Flow CE Wiring Diagram 17 West St W Hatfield MA 01088 800 582 8423 413 247 3380 fa CE 72 575 V Delta This diagram is valid for CE 72 575 V A1 Control board B1 Th...

Page 22: ...rol board 1 A2 Control board 2 B1 Thermistor 1 B2 Thermistor 2 D1 Delay timer F1 F12 Fuse FS1 Flow sensor 1 FS2 Flow sensor 2 G1 Main power light G2 On off power light P1 Low pressure switch R1 R24 Resistance element S1 On off switch S2 Temperature toggle switch T1 T24 Thermostat TR1 TR12 Triac TX1 Transformer X0 Main terminal block X1 Ground terminal X2 Secondary terminal block 1 X3 Secondary ter...

Page 23: ...wiring diagram page 2 This diagram is valid for CE CES CERO 120 400 480 V CE CES CERO 144 400 480 V CE Wiring Diagram 17 West St W Hatfield MA 01088 800 582 8423 413 247 3380 fax 413 247 3369 info stiebel eltron usa com www stiebel eltron usa com 14 CE 108 144 480 V Delta Page 2 This diagram is valid for CE 108 480 V CE 120 480 V CE 144 480 V ...

Page 24: ...istor 1 B2 Thermistor 2 D1 Delay timer F1 F12 Fuse FS1 Flow sensor 1 FS2 Flow sensor 2 G1 Main power light G2 On off power light P1 Low pressure switch R1 R24 Resistance element S1 On off switch S2 Temperature toggle switch T1 T24 Thermostat TR1 TR12 Triac TX1 Transformer X0 Main terminal block X1 Ground terminal X2 Secondary terminal block 1 X3 Secondary terminal block 2 X4 Fuse block X5 Thermost...

Page 25: ...RO 144 575 V Delta wiring diagram page 2 This diagram is valid for CE CES CERO 144 575 V CE Wiring Diagram 17 West St W Hatfield MA 01088 800 582 8423 413 247 3380 fax 413 247 3369 info stiebel eltron usa com www stiebel eltron usa com 16 CE 144 575 V Delta Page 2 This diagram is valid for CE 144 575 V ...

Page 26: ...1 2 5 2 1 1 8 1 5 1 4 1 2 1 1 1 0 1 0 0 9 gph 369 246 184 147 123 105 92 82 74 67 61 57 53 24 kW gpm 8 2 5 5 4 1 3 3 2 7 2 3 2 1 1 8 1 6 1 5 1 4 1 3 1 2 gph 492 328 246 197 164 140 123 109 98 89 82 76 70 27 kW gpm 9 2 6 1 4 6 3 7 3 1 2 6 2 3 2 1 1 8 1 7 1 5 1 4 1 3 gph 553 369 277 221 184 158 138 123 111 101 92 85 79 36 kW gpm 12 3 8 2 6 1 4 9 4 1 3 5 3 1 2 7 2 5 2 2 2 1 1 9 1 8 gph 737 492 369 29...

Page 27: ...gh 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 flathead screwdriver Remove the Allen screw with a T handle Allen wrench Remove the thermal cut off and replace it with an identical spare part item e g L125 T puts out 125 F hot water Do not mix them with any other temperature ...

Page 28: ...inuity 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 needs to be connected to the transformer f Remove the switch using an open end wrench f Check for water leaks f Rewire the switch Triac failure If there is lukewarm water in steady state status of the ...

Page 29: ...e of the Heater Manufacturer alone is authorized 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 whatsoever relating to or caused by 1 any misuse or neglect of the Heater any accident to the Heater any alteration of the Heater or any other unintended use 2...

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 Hatfield MA 01088 Tel 413 247 3380 Fax 413 247 3369 info stiebel eltron usa com www stiebel eltron usa com Rev 1 2020 Subject to errors and technical changes Sujeto a errores y cambios técnicos Sous réserve d erreurs et de modifications techniques ...

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