Installation guide
Electrical scheme - box of internal unit (WH 07M-R)
BK
YE
RD
FLOW METER
BK
TR
BK
BU
LWT
RD
ENERGY MANAGER
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
230V
B T
CN14
CN6
CN7
L
N
SW1
CN6
HV
HV
HV
OUT
BUS
IN
TA 2
SE
TNK
IN 3
IN 1
IN 2
AUX 1
B T
AUX 1
PRESSURE SWITCH
SYSTEM
INTERFACE
LED UI
BACK UP INTERFACE
BN
BU
BN
BN
BU
BN
YE/GN
BU
BN
YE/GN
BU
F1
CN1
YE/GN
BN
V 1
V 2
PM AUX
ST 1
N
L
N L
L
1
3
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
YE = Yellow
BN = Brown
GN = Green
BU = Blue
GY = Grey
RD = Red
WH = White
OR = Orange
PI = Pink
ELECTRICAL
RESISTANCE
BK BK
WH
WH
THERMOSTAT
BN
BN BU
PUMP
BU
BK
BN
BU
YE/GN
L
L
L 3
N
N
1
2
L
L
N
N
2
3
WH
RD
BU
BK
SAFETY
77 / GB