
76 / GB
BK
BU
BN
B
T
GY
BN
BU
BN
BN
BN
BU
BU
BU
BN
BU
BN
BU
BN
BN
BU
BU
BU
BU
BK
BK
BK
BK
RD
RD
YE
BU
BK
BK
BK
R
M
OR
BU
OR
BU
BU
BU
BK BK WH
WH
WH
RD
BU
BK
GY
GY
BK
OR
OR
BU
BU
LWT
FLOW METER
TR
BN
BN
N
L
LED UI
CN1
VAL
VE 1
VAL
VE 2
PUMP 1
FUSE
230V
SERIAL
ANODE
PWM2
PWM1
CN7
SW1
CN6
CN1
CN4
CN13
CN9
CN5
CN14
CN2
CN8
EBUS
B T
EBUS
C35
PUMP 2
CN10
CN16
CN12
CN11
F1
1
1
1
1
4
3
1
6
1
1
1
1
1
1
POWER OUT
POWER IN
SYSTEM
INTERFACE
BACK UP INTERFACE
TDM
ENERGY MANAGER
PRESSURE SWITCH
ELECTRICAL
RESISTANCE
SAFETY
THERMOSTAT
BU
YE/GN
BN
YE/GN
YE/GN
YE/GN
BN BU
BN
YE/GN BU
PUMP
CN14
CN10
CN13
CN6
CN7
CN12
CN9
CN8
CN11
RD
RD
GN
GY
YE
PI
BK
230V
L
N
L
N
WH
WH
MOD. BUS
GND A+ B-
ANODE
SE
TNK
BUF
BUS
TA 1
TA 2
B T
IN
AUX 1
+24V
CN6
WH
RD
BK
BN
GN
GN
GY
GY
RD
RD
YE
YE
BU
OR
BU
BU
ELECTRICAL SCHEME - BOX OF INTERNAL UNIT
(FS 40 50 S)
BK = Black
BN = Brown
BU = Blue
RD = Red
OR - Orange
YE = Yellow
GN = Green
GY = Grey
WH = White
PI - Pink