Ariston NIMBUS PLUS S NET Manual page 71

ELECTRICAL SCHEME - BOX OF INTERNAL UNIT
BK
YE
RD
FLOW METER
BK
TR
BK
BU
LWT
RD
CN14
BU
BU
BK
M
BK
BK
R
BK
WH
MOD. BUS
ANODE
TA 1
GND A+ B-
+24V
GY
GY
OR
BU
BU
BU
TDM
B T
CN6
CN14
CN7
L
ENERGY MANAGER
SW1
CN6
BUS IN
TA 2 SE TNK BUF
B T AUX 1
PRESSURE SWITCH
SYSTEM
INTERFACE
LED UI
(WH 70 S)
230V
N
BACK UP
INTERFACE
F1
CN1
YE/GN
BN
BN BU BK
WARNING:
BEFORE OBTAINING ACCESS TO TERMINALS, ALL SUPPLY
CIRCUITS MUST BE DISCONNECTED.
CONNECTION POWER MONOPHASE:
DO NOT REMOVE THE METAL PLATES FROM ITS SEAT.
CONNECTION POWER THREEPHASES:
REMOVE ONLY THE METAL PLATES INSERTED BETWEEN
THE PHASES L1, L2 AND L3.
BK = Black
BN = Brown
BU = Blue
RD = Red
OR - Orange
BK BK WH
BN
BN
BN BU
BU
BU
BN
BN
BU
BN
BN
YE/GN
BU
BN
YE/GN
BU
BK BN BU YE/GN
L L L 3 N N
1 2
L L L N
1 2 3
3
71 / GB
YE = Yellow
GN = Green
GY = Grey
WH = White
PI - Pink
ELECTRICAL
RESISTANCE
WH
WH
RD
BU
BK
SAFETY
THERMOSTAT
PUMP
N