ELECTRICAL CONNECTION
ENERGY BOX 4.650 3 STEPS ELECTRIC HEATER AUTOMATION DIAGRAM
! WARNING
ELECTRIC HEATER
CONTACTOR GROUP
FAN
STEP SET
TRANSFORMER
SITE CONNECTION
VECTOR
CONTROL PANEL
SITE CONNECTION
MAIN SUPPLY
CONTACTOR GROUP
CONTACTOR GROUP
HEATER
HEATER HEATER
STEP 3
STEP 2
STEP 1
ENERGY BOX
4.650
N
T
23
0
V
HI
GH
ME
DI
UM
LO
W
24
V
N
2
4
3
6
5
7
1
380
V
The figure shows VECTOR control panel in ENERGY BOX 4.650 unit which is used
with 3 stepped three-phase electric heater. Wire and grid connections
must be done for the places with “SITE CONNECTION” expression.
ENERGY BOX 4.650
L1
L1
L1
L2
L2
L2
L3
L3
L3
Only qualified service may
intervene in the unit's internal
connection.
13
+30.211.70.55.500 +30.210.22.23.283