1.1 Electrical diagram
L
N
⏚
B
A
MG
AE
To the M02 terminal board
Thermal unit Modbus
YELLOW (B)
ORANGE (A)
BLACK (GRD)
MA
AE
Electrical power supply
F
Fuse (can not be replaced)
MA
Accessory terminal board
M02
Thermal Unit Modbus terminal board
MG
Managing/Zone Modbus
P
Zone circulation pump
VM
Zone mixing valve
TS
Safety thermostat
SM
Delivery probe
TA/SA
Ambient thermostat / probe (not supplied)
*
To control additional (direct/mixed) zones up to maximum three, install the 2nd/3rd DIR/MIX ZONE CONTROL ACCESSORY.
O
VM
C
N
Brown (L)
Blue (N)
F
Brown
Blue
Yellow (B)
Orange (A)
Black (GRD)
TS
MA
SM
X4
O
VM
C
N
P
N
⏚
L
X1
MIX
P
L
N
C O
ZONE 1
ZONE 2 (*)
X4
TL
TL
SM C TA
TL
X2
TS
SM
TA/SA
14
O
VM
C
N
P
⏚
L
N
X1
MIX
MIX
P
L
N
C O
C O
ZONE 3 (*)
X4
TL
SM C TA
TL
TL
SM C TA
X2
TS
SM
TA/SA
P
⏚
L
N
X1
P
L
N
X4
X2
TA/SA