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4
operation manual
temperature contoller ELTC-MV2
BU 123
Revision 1
CONNECTION / CONTROL PANEL
control panel
LEDs in the display
"
1
" = control relay ON
"
2
" = two-point operation
"
3
" = proportional operation
"
4
" = alarm relay activated (=de-energized)
Flashing of the LEDs indicates a functional delay.
connection (example)
buttons
" " = increase values
" " = decrease values
"
P
" = programming button
ELTC-MV2
Input
24VDC
(-) (+)
Digital
Input
(D3)(D2)(D1)(Us)
Output U/I 1
(GND)(U)(I)
Output U/I 2
(GND)(U)(I)
SCADA
ModBus
(12V)(S)(GND)(A)(B)
System
ModBus
(GND)(A)(B)
Input
external U/I 1
(I)(GND)(U)
Input U/I
(I)(GND)(U)
Sensor 2
Sensor 1
X10
X9
X8
X7
X6
X5
X4
X3
X2
X1
2 1
4 3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
5 4 3 2 1
X11
X12
X13
X14
X15
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3 4
N-Terminal
(N)(N)(N)
PE-Terminal
(PE)(PE)(PE)
Power supply input
A + heating cable output
(L(A))(L1)(L1)(L(heca))
Alarm relay
(Com)(NC)(NO)
OT-Relay
(Com)(NC)(NO)
ϑ
ϑ
when using same phase
bridge X13.2 to X13.1
( )
K1
K2
K3
N
PE
L
P
1 2 3 4
ELTC-MV2
www.eltherm.com
X10
X9
X8
X7
X6
X5
X4
X3
X2
X1
2 1
4 3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
5 4 3 2 1
X11
X12
X13
X14
X15
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3 4
