1
.
2
.
1
5
6
7
8
11
12
10
9
(1)Front panel
(2)Touch button
(3)LCD screen
(
4)LED indicator
(
5
)
Mounting bracket
(
6
)
Heat sink
(
7
)
DC switch
(
8
)
PV terminal
(
9
)
RS485 port
(
10
)
USB port
(
11
)
Vent valve
(
12
)
AC terminal
1
.
This
document
is
for
quick
installation
guidance
only
,
please
refer
to
User
Manual
for
more
details
.
2
.
Growatt
shall
not
be
liable
for
any
damage
resulting
from
unproper
installation
.
3
.
MID
17
-
40KTL3
-
X
(
1
)-
AU
without
DC
switch
.
Note
：
MID17-40KTL3-X(1)&
MID 17-40KTL3-X(1)-AU Quick Guide
2 3 4
Note
：
1.When drilling holes in the wall, avoid water and electricity pipes, otherwise it may cause danger
.
Overview
Installation
System overview
2.1
Installation requirements
2.2
Wall mounting
2
.
3
Communication module installation
Inverter
side
Inverter
side
Inverter
side
Inverter
side
▲
Up
Uninstall
Install
3
.
Electrical connection
Please prepare the cable before connecting as follows.
1
2
3
4
Cable name
PV input wire
Type
four or five polychromatic
multi-core copper wires
PV
wire
（
such as PV1
-
F
)
RS485
Recommend
model
16mm² - 20mm²
16mm² - 20mm²
4mm² - 6mm²
/
No
.
Communicatio
wire
AC output wire
grounding wire
Protective
Single multi-core
yellow-green wire
1.Please make sure all switches are in “OFF”
position before wiring. For personal safety,
please do not operate with electricity.
2.If the diameter of the cable does not match
the terminal, or the cable is aluminum wire,
please contact our after-sales personnel.
Note:
3
.
1
Grounding
Connect to the inverter
side.
It is recommended to use 16-20mm²
cable.
Install the AC side water
proof cover.
3
.
2
AC output connection
PE
inverter side
10-12mm
3
.
3
DC connection
3.3.1 PV input terminal installation
230
218
579
240
133
4
3
3
2
3
7
≥500mm
≥300mm
≥500mm
≥500mm
Noted:
Waterproof must be blocked
with fireproof mud to prevent water.
Keep the
bracket
installed
horizontally.
8
-
10mm
1
2
3
4
5
4mm² - 6mm²
4mm² - 6mm²
Positive metal terminal
Positive metal terminal
Negative metal terminal
Negative metal terminal
Negative metal terminal
Please make sure the cable can not be
pulled out after pressing.
Pull the PV cable make sure there
is no loose or shaking.
Make sure the cable polarity is
correct and voltage is less than
1100V.
