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000563AG
5 - Installation
Serial line terminal block
of the REACT-MTR
57
Communication and control signal
terminal block
21
of the
REACT-UNO
+T
Terminal 16 (+T/R)
-T
Terminal 14 (-T/R)
RTN
Terminal 18 (RTN)
RS485 METER
REACT
POWER A
LARM
GFI
ESC
UP D
OWN E
NTER
REACT-UNO
REACT-B
ATT
REACT-MTR-1PH
S
UT
AT
S
E
R
US
AE
M
INPUT :
110/230 V
50/60 Hz
10 mA max
To connect the serial cable inside the inverter, refer to the section “Connection of METER
RS485 serial communication line” in this chapter.
• Install the device on the DIN rail and ensure to trigger the fixing system
on it
• Disconnect the phase cable (L) of the electric supply
• Insert the phase cable (L) through the hole (Ø
8mm) on the REACT-
MTR-1PH
54
. The arrow corresponding to the hole for the feeding of the
line cable
55
, indicates the direction of insertion which must be complied
with for correct measurement of the current; in fact the direction of the arrow
indicates the supply point of the electric energy (as indicated in the diagram).
• Once the connection stage is finished, the correct installation of the
REACT-MTR-1PH must be verified
54
:
- Power the REACT-MTR-1PH while keeping the REACT system off
- Action a load (of at least 50W) in the house so that the REACT-MTR
records drawing of current from the grid
- Check that the LED MEASURE (red) is permanently on. This condition
indicates that a drawing from the grid is recorded and so that the reading
of the direction of the current by the REACT-MTR is correct.
Here below is set out the behaviour of LEDs on the REACT-MTR:
STATUS LED
description
Off
Serial communication absent or malfunctioning
Flashing
Serial communication present
MEASURE LED
description
Permanent red
Drawing of energy from the grid
Green (steady)
Self-consumption (maximum exchange ±20W)
Flashing red and
green
Feeding of energy from the grid
REACT-MTR-1PH
S
UT
AT
S
E
R
U
S
A
E
M
INPUT
:
110/230 V
50/60 Hz
10 mA max
REACT-MTR-1PH
S
UT
AT
S
E
R
U
S
A
E
M
INPUT
:
110/230 V
50/60 Hz
10 mA max
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