CONTENTS

S24

S26

S27

S20 SYSTEM LE

S20 SYSTEM 2 DE - MIDI DE - TECNA DE

S20 SYSTEM 3 DE

S20 SYSTEM 2/3 CD - TECNA CD

S20 230V/2 - 110 V/2~ - 230 V/3~

S20 MIDI CD

EPOCA DE 2GR

EPOCA CD 2GR

EPOCA S 2GR

EPOCA E 1GR

EPOCA S 1GR

EPOCA TANK 1 GR

CLASSE 6 E 2 GR

CLASSE 6 S 2 GR

CLASSE 8 1-4 GR

CLASSE 10 SDE

CLASSE 10 S

CLASSE 10 RE

GB

CA = Water level control

CPU = CPU BoardCV = Flow MeterEA = Water electrovelveEAR = Air electrovalveEC = Feeding electrovalveEE = Economizer electr.EG = Group ElectrovalveEV = Steam valveF = FuseIG = Main switchIG1-4 = Group switchesIA = Water switchesIR = Resistance SwitchIS = Cup heating switch

LC = Level lampM = Mains Power

ConnectionMP = Motor PumpMRE = Pump micro ComtactorMT = Earth connectionP = Mechanic pressure

switchRC = Boiler Heating Resist.RS = Cups Heating

ResistanceRP = Pump contactorSA = Autolevel boardSL = Level feelerSP = Autolevel boardST = Temperature ProbeSTS = Temperature Probe

TS/TSCTA =TF = Function/service

keyboardTG = Group KeyboardTM = Transformer�P = Program KeyboardTR = TransformerTS = Safety thermostatTTSC = TSC keyboard

Ar = OrangeB = BlueBi = WhiteBiB = White-BlueBiN = White-BlackG = YellowGV = Yellow-greenM = BrownN = BlackR = RedRo = RoseV = GreenVi = Violet

WIRING DIAGRAM KEY

BB = White-blue

White-yellow

White-black

White-red

BG =

BN =

BR =

S24

IG

BM

14

25

B

M

L4

GR M

L2

G B

CO

NN

ES

SIO

NE

ELE

TT

RIC

AM

AIN

CO

NN

EC

TIO

N

EU

RO

PA

EU

RO

PA

U.S

.A.

AU

ST

RA

LIA

12

3

M*

B

NV

BI

MG

VB

L N

MT

GV

GV

12

34

56

78

12

34

56

78

ABCD

ABCD

S24

115/

230/

240

SE

_126

1.S

CH

B

MP

NM M ~

B

GV

M B BI

GV

B G N

F N SL

SR

C N.O

.

N.O

.

1 2 4 6 7 8 9

CA

*321

BGVM

MO

SO

LO P

ER

VE

RS

ION

I 115

V~

ON

LY F

OR

115

V~

VE

RS

ION

BM M

SR

21 22

EG

R BG

V

EC

G MG

V

R

MB

SR

2212

2111

MB

MB

PIC

RN

25

14

MB

L1

G M

SL

BI

BG

R

32

1 B

PL

NO

V. 2

002

S26

12

34

56

78

12

34

56

78

ABCD

ABCD

S26

115/

230/

240

SE

_126

0.S

CH

B

M B BI

GV

B G N

F N SL

SR

C N.O

.

N.O

.

1 2 4 6 7 8 9

CA

L N

SL

CO

NN

ES

SIO

NE

ELE

TT

RIC

AM

AIN

CO

NN

EC

TIO

N

EU

RO

PA

EU

RO

PA

U.S

.A.

AU

ST

RA

LIA

12

3

M*

B

NV

BI

MG

VB

SO

LO P

ER

VE

RS

ION

I 115

V~

ON

LY F

OR

115

V~

VE

RS

ION

BM M

SR

21 22

L3R

EG

EC

L1L2

MT

IG

MP

NM G

V

GG

GR

BM

MB

GV

GV

A A

MB

SR

2212

2111

MB

PIC

RN

25

14

MB

*321

BGVM

GV

GV

BM

14

25

BM

MO

BI

M ~

NO

V. 2

002

S27

L2

G B

IG

BM

14

25

BM

L N

MT

GV

GV

*321

BGVM

MO

CO

NN

ES

SIO

NE

ELE

TT

RIC

AM

AIN

CO

NN

EC

TIO

N

EU

RO

PA

EU

RO

PA

U.S

.A.

AU

ST

RA

LIA

12

3

M*

B

NV

BI

MG

VB

12

34

56

78

12

34

56

78

ABCD

ABCD

S27

115/

230/

240~

SE

_126

2.S

CH

B

SO

LO P

ER

VE

RS

ION

I 115

V~

ON

LY F

OR

115

V~

VE

RS

ION

BM M

SR

21 22

NO

V. 2

002

VG

-

+

CV

SL

PUB

I

AR

G

R

AR G R N BI

MG

VB

CE

M

CN

2

CN

1 CB

T

PA

GV

N

MP

N

M ~

BI

GV

L1

G BI

EC

G BI

GV

EG

R BI

GV

ED

AR BI

GV

R

MB

SR

2212

2111

MB

P

MB

CB

T

S20 SYSTEM LE

12

34

56

78

12

34

56

78

ABCD

ABCD

S 2

0 S

YS

TE

M L

EV

A 4

00V

3N

~

SE

_128

1.S

CH

BN

OV

. 200

2

L2N

RC P TS IG

M

LG

CN

1

L1L3

RS

IS

EC

LC

F N SL

SR

C N.O

.

N.O

.

1 2 4 6 7 8 9 CA

SL

S20 SYSTEM 2 DE - MIDI DE - TECNA DE

S20 SYSTEM 3 DE

S20 SYSTEM 2/3 CD - TECNA CD

L2N

RC P TS IG

M

LG

CN

1

L1L3

N B RS

GV

N R AR

F N SL

SR

C N.O

.

N.O

.

1 2 4 6 7 8 9 CA

EV

G2

BN

GV

EV

G3

GV

EC

GV

RS

BN

RS

BR

L1

R B

MP

MG

R

M ~

IG2

IG3

L2

N R

NB

RP

AR

B

RP

SL

12

34

56

78

12

34

56

78

ABCD

ABCD

S20

SY

ST

EM

2/3

CD

TE

CN

A C

D

SE

_128

3.S

CH

BN

OV

. 200

2

400V

3N

~

TE

CN

A

IG1

BN

GV

RS

EV

G1

EA

IEA N

BB

RS

N

TE

CN

A

EE

RS

IS

S20 230V/2 - 110 V/2~ - 230 V/3~

12

34

56

78

12

34

56

78

ABCD

ABCD

S20

MID

I C

D 4

00V

3N

~

SE

_128

7.S

CH

BN

OV

. 200

2

L2N

RC

P TS IG

M

LG

CN

1

L1L3

N B RS

GV

N R AR

F N SL

SR

C N.O

.

N.O

.

1 2 4 6 7 8 9 CA

EV

G1

NG

V

EV

G2

GV

EC

GV

BI

NBI

BR

L1

R B

MP

MV

I

M ~

IG1

BA

R

BI

N

IG2

BA

R

BI

N

L2

N R

GV

NB

RP

AR

B

RP

RS

SL

N B

GV

NG

V

S20 MIDI CD

G G R R

J18

DE

03

J15

J12

J8J7

GR

2G

R1

J17

J10

J6

14A

C

20A

C

GV

GV

FT

5

RB

IB

N

NF

J9

J5

BI

BI

BIB

SR

R

RE

V00

J5J6

J4

GR

L1 NL2L3

M1

TR

RC

TS

IG IR

TR

J7

FT

1F

T12

FT

7

J2

J8 J9

F FT

10F

T11

FT

9

IS

ST

MP

EA

EC

LCE

G3

EG

2E

G1

TG

3C

V3

SL

CV

2T

G2

CV

1T

G1

TA

FT

6

FT

5

FT

4

FT

3

FT

2

FT

8

J4J6

J5

RS

CP

U

J1

M

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Firm

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For

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U.T

.

A4

Via

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Rep

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E

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TR

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CLA

SS

E 6

11/0

9/03

VE

RS

. E

2 -

2C

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gr.

34

6 -

415

V/3

N~

SE

_130

1

L1 NL2L3

M1

TR

TS

PR

C

SL

N B GV

NRO

AR

F N SL

SR C

N.O

.N

.O.

1 2 8 94 6 7

CA

RP

RP

MP

AR

BN

GR

MLC

EC

EA

EG

3

IA

EG

2E

G1

IG3

IG2

IG1

1 2

4 5

1 254

14 5

2

14 5

2

GV

GV

GV

GV

ISIRIG

TR

RS

R

M

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Firm

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SE

_130

5

14/1

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CLA

SS

E 6

SC

HE

MA

ELE

TT

RIC

O

VE

RS

. S

2 -

2C

- 3

gr.

3

46 -

415

V/3

N~

L1 NL2L3

M1

TR

RC

TS

IG IR

TR

J9

EG

3E

G2

EG

1

IG3

IG2

IG1

1 2

4 5

1 254

14 5

2

14 5

2

GV

GV

GV

GV

FT

1F

T12

FT

4

FT

7

J2

J8 J7

F FT

10F

T11

FT

9

IS

RS

EG

4

EA

IG4

IA

MP

EC

LC

SL

ST

14 5

2

GV

CP

U

M

Dat

a:

Firm

a:

Diff

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TT

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.

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Via

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Rep

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4020

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Vill

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+39

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Fax

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CLA

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gr.

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V/3

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2

L1 NL2L3

M1

TR

RC

TS

IG

ISIR

TR

RS

S-E

SP

(3-4

GR

)

MP

TA

TT

SC

EA

EV

EA

R

ST

SS

T

SA

DIS

PLA

Y 2

x16

TM

J17

J10

J9

J6F

J12

NF

J5G

R2

GR

1

J11

J2J3

J15

J19

J16

TG

4J1

GR

4

EGJ2

VJ4E

CJ3

EG

4

CV

4

J1T

G3

GR

3

VJ4E

CJ3E

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EG

3

CV

3

EGJ2

VJ4E

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TG

2J1

GR

2

EG

2

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1

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1

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I

M 2~

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gr.

34

6 -

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V/3

N~

SE

_130

3

12

34

56

78

12

34

56

78

ABCD

ABCD

L3 L2 L1 N M1

MT

M N N R BB B GV

GV

A1

M N R B

SR

MP

M 2

A1

SP

J8 J10

J4

J9J5

J7 J1

52

41

BN

126

52

41IR

GV

BN

DIS

PLA

Y ST

CA

J1

RE

_040

x

EV

BR

(EA

)J5

J1T

FJ1

TP

J9

FU

N

J8

GR

4

J7

GR

3

J6

GR

2

J5

GR

1

J12

J1J3

CP

U

EG

4BR

EGJ2

GR

4T

G4

J1

EC

BI

RB

NR

CV

4

VJ4E

CJ3

EG

3BR

EGJ2

GR

3T

G3

J1

EE

BI

RB

NR

CV

3

VJ4E

EJ6

EG

2BR

EGJ2

GR

2T

G2

J1

BN

R

CV

2

VJ4

EG

1BR

EGJ2

GR

1T

G1

J1

EA

BI

RB

NR

CV

1

VJ4E

AJ5

TM

RS

R

IG

X

X

X

J13

J4

ST

SC

ST

S

EA

RBR

(EC

)J3

(TS

C)