SCHEMI ELETTRICI CHILLER MODULARI

SCV-750EB, SCV-1400EB

SCV-900EB(H)

Water-SW

XT1

SCHEMI ELETTRICI SCV-7

L1

L2

L3

N

Power in

MAIN BOARD

CN22

CN23

CN28

C

N

4

6

To outdoor units

communication bus

CN103

CN101

CN300 CN109

CN140

S1

CN105

12

DEBUG

Slave board

CN119

CN121 CN123

HEAT2 HEAT1

PUMP

ON

CN114

CN137 CN138CN110CN117CN108

CN125

CN115

R

e

d

B

l

u

e

B

l

a

c

k

B

r

o

w

n

SV1

O

N

/

O

F

F

C

O

O

L

/

H

E

A

T

T

E

M

P

-

S

W

W

.

P

-

S

W

K

M

2

L

N

K

M

1

H

L

1

W

-

H

E

A

T

G

N

D

0

-

1

0

V

B

u

l

e

N

O

N

C

C

O

M

A

C

1

A

C

2

B

l

a

c

k

B

l

a

c

k

B

r

o

w

n

B

r

o

w

n

G

r

a

y

G

r

a

y

B

l

u

e

B

l

u

e

50/1400E

169

P

O

M

P

E

D

I

C

A

L

O

R

E

B