Fimer PVS-166-TL-US User manual

Solar Inverter
PVS-166-175-TL-US A.2 Version
Quick Installation Guide
In addition to what is explained in this quick installation guide, the safety and installation information provided in the product manual must be read and
followed. The technical documentation for the product is available at the website.
The device must be used in the manner described in the manual. If this is not the case the safety devices guaranteed by the inverter might be
ineffective.

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ATTENTION –AIMPORTANT SAFETY INSTRUCTIONS
This document contains important safety instructions that must be followed during the installation and maintenance of the equipment.
ATTENTION –ASAVE THESE INSTRUCTIONS
Keep this document in a safe place near the inverter for easy access during installation, operation and maintenance.
ATTENTION –AThe installer must read this document in its entirety before installing or commissioning this equipment. In addition to
what is explained below, the safety and installation information provided in the product manual must be read and followed. For more
detailed information regarding proper installation and use of this product, refer to the product manual located at www.fimer.com.
ATTENTION –AThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference
(2) this device must accept any interference received, including interference that may cause undesired operation.
ATTENTION –AAll pictures and illustrations shown in this document are indicative and must be intended as support for installation
instruction only. Actual product may vary due to product enhancement. Specifications subject to change without notice. The latest
version of this document is available on the FIMER website www.fimer.com.

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Table of Content
1. Reference number index 5
1.1 PVS-166/175-TL-US - External view 6
1.2 PVS-166/175-TL-US - External sides view 7
1.3 PVS-166/175-TL-US Power module- Internal view 7
1.4 PVS-166/175-TL-US Wiring box- Internal view 8
1.5 Communication board 9
2. Labels and Symbols 10
3. Models and range of equipment 12
4. Lifting and transport 12
4.1 Transport and handling 12
4.2 Unpacking and checking 12
4.3 Lifting 12
5. List of supplied components 15
6. Kit of recommended spare parts 15
7. Choice of installation location 16
7.1 General recommendation on installation position 16
7.2 Tilting allowance 16
7.3 Distances 17
7.4 Installation of multiple units 17
7.5 Wireless signal environmental checks 18
8. Mounting Instructions 18
8.1 Installations of protection covers for wiring box openings 18
8.2 Bracket assembly 18
8.3 Assembly of the Inverterto the bracket 19
8.4 Opening the Wiring box cover 20
8.5 Final fastening operations 21
8.6 Opening the power module box cover 22
8.7 Connection of the AC interface power cables (25) 22
8.8 Connection of the interface signal connectors 23
8.9 Connection of the DC and AFD interface cables 23

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9. Routing the cable to the inverter 25
10. Installation planning 25
10.1 Characteristics of the protective grounding cable 25
10.2 Load protection breaker (AC disconnect switch) and differential protection
downstream of the inverter 25
10.3 Characteristics and sizing of the line cable 26
11. Grid output connection (AC side) 26
12. Checking the correct polarity of the strings and Input
connection (DC) 27
12.1 Input connection with DC cable tray (60) 28
12.2 Input connection without DC cable tray (60) 29
13. Connection of the communication and control signals 30
13.1 Communication and control board (28) references 30
13.2 Connections to the communication and control board 31
13.3 Ethernet connection 31
13.4 Connection of RS-485 serial communication line 32
13.5 Slave mode 32
13.5.1 Master mode 32
13.6 Remote control connection 33
13.7 Multifunction Relay connection (ALARM and AUX) 33
14. Description of LED panel 34
15. Commissioning 36
15.1 Commissioning via FIMER Installer for Solar Inverters mobile APP 36
15.2 Commissioning via Web User Interface 37
16. Arc fault detection 37
17. Grid support functions and Voltage & Frequency trip limits 38
18. Characteristics and technical data 39
18.1 Technical data 39

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1. Reference number index
Inverter external view
01 Power module
02 Wiring box
03 Mounting bracket
04 Handles
05 Cover quarter cam locks
06 Side latch
07 Wiring box front cover
08 LEDs panel
09 AC disconnect switch (-SX2 only)
10 EGC connection point
11 AC opening (size 3” conduit)
12 Service opening (size 3/4” conduit)
13 Service opening (size 1/2” conduit)
14 Rear pins for bracket assembly
15 Cover support brackets
16 DC disconnect switches
17 DC input quick fit connectors
18 DC and ARC fault interface cables
19 ARC fault connector
20 Junction screws
21 DC surge arrester plate
22 AC connection busbar
23 AC overvoltage surge arresters
24 Interface signal cables
25 AC interface power board
26 Interface Protective Earth connection point
27 AC protective shield
28 Communication and control board
Inverter external view
29 DC interface connection point
31 Interface signal connector
32 AC interface power cable
33 Alarm terminal block
34 RS485 FIMER service 120Ohm termination res.
35 DRM0 activation switch
36 RS485 line 120Ohm termination res.
37 FIMER RS485 service RJ45 connector (service only)
38 Remote ON/OFF terminal block
39 RS485 line terminal block
40 Ethernet connector 1 (RJ45)
41 Ethernet connector 2 (RJ45)
42 USB connector
44 CR2032 coin battery
45 Memory board
46 RS485 line communication board
50 Power module front cover
51 Cooling section (top side)
52 Cooling section (left side)
53 Internal fan
54 Cable duct
55 Protective earth connection point
56 RS-485&Rem.ON/OFF external connector (Service only)
57 AFD reset button
58 AC interface connections protective cover
59 AFD interface cable
60 DC cable tray

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1.1 PVS-166/175-TL-US - External view
01 51
03
50
05
04
02
07
08
04
09
05
Version with DC cable tray
60

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1.2 PVS-166/175-TL-US - External sides view
14
52
14 06
03 15
09
16 17
11
14
06
14
03
10
56
57
15
15
15
15
1.3 PVS-166/175-TL-US Power module- Internal view
18
59
24
25
26
25
Version with protective cover
Version without protective cover
58

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1.4 PVS-166/175-TL-US Wiring box- Internal view
53
31
53
32
53
21
54
53
20
23
28
27
20
19
29
09
22
55

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1.5 Communication board
J9 J10
X2
J2
S2
J4
J1
S1 S3
J3
J6
45
46
36
35
34
37
44
33
39
38
41
40
42
28

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2. Labels and Symbols
The labels on the inverter and on wiring box have the Agency marking, main technical data and identification of the equipment and
manufacturer.
ATTENTION –AThe technical data shown in this quick installation guide does not replace that shown on the labels attached to the
equipment.
The labels on the power module and on the wiring box have the Agency marking, main technical data and identification of the equipment
and manufacture
NOTE –DThe labels shown below have to be intended as example only.
FORBIDDEN –HThe labels affixed to the equipment must NOT be removed, damaged, stained, hidden, etc., for any reason
whatsoever.
Power module
Wiring Box
A
E
F
A
F
E
Fimer S.p.A.
Via Tortona, 25 - I 20144 Milano (MI)
A
B
C
D
A. Inverter/wiring box model
B. Power module/wiring box Part Number
C. Power module/wiring box Serial Number
D. Powe Week/Year of manufacture
E. Main technical data
F. Certification marks
NOTE –DAn additional PN and SN label of the full system (power module + wiring box) is applied on the external packaging. This
label should be stored in plant documentation for reference.

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Communication Identification label:
The Communication Identification label (applied on the wiring box) is divided in two separate parts by a dashed line; take the bottom part
and apply it on the plant documentation. (FIMER recommend to create a plant map and apply the Communication Identification label on it).
SN WLAN: SSSSSSSSSS
PN WLAN: PPP.PPPPP.P
Mac Address:
XX:XX:XX:XX:XX:XX
PK: 0000 - 0000 - 0000- 0000
SN WLAN: SSSSSSSSSS
SN: ZZZZZZZZZZ
Remove and apply on the plant documentation
MAC: XX:XX:XX:XX:XX:XX
G
H
J
I
L
G. WLAN embedded board Serial Number
H. WLAN embedded board Part Number
J. MAC address:
- To be used to obtain the SSID of the wireless access point created by the inverter:
ABB-XX-XX-XX-XX-XX-XX (where “X” is a hex digit of the MAC address).
- To be used to obtain the “Host Name”: http://ABB-XX-XX-XX-XX-XX-XX.local
(where “X” is a hex digit of the MAC address).
L. Product Key:
To be used as wireless access point password, or to be used to access to the
Web UI as username and password in case of lost credentials, and to commission
inverter using FIMER Installer for Solar Inverters.
I. QR Code:
To be used to commission inverter using FIMER Installer for Solar Inverters for
claiming process.
ATTENTION –AThe labels attached to the equipment must NOT be removed, damaged, dirtied, hidden,etc...
If the Admin Plus password is requested, the field to be used is the power module serial number -SN: YYWWSSSSSS-
In the manual and/or in some cases on the equipment, the danger or hazard zones are indicated with signs, labels, symbols or icons.
Symbol Description
General warning - Important safety information
General warning - Important safety information
Hazardous voltage
Hot parts
Risk of electric shock.The discharge time (quantified in the figure by the number XX) of the stored energy after
de-energizing of the Inverter from both DC side and AC side.
Positive pole and negative pole of the input voltage (DC)
Direct and alternating currents, respectively
Equipment Grounding Conductor (EGC)
Phase
Without isolation transformer
System earth conductor (main grounding protective earth, PE) and Equipment Grounding Conductor (EGC)
These are nationally recognized test laboratory marks showing certification to UL 1741 and CSA-C22 No. 107.1-01

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3. Models and range of equipment
READ THE MANUAL –EThe choice of the inverter model must be made by a qualified technician who knows about the installation
conditions, the devices that will be installed outside the inverter and possible integration with an existing system.
“Wiring box” Model Number Description
WB-SX-PVS-166-TL-US
WB-SX-PVS-175-TL-US
• 24 quick fit connector pairs (2 each MPPT)
• DC switches
• SPD Type 2 Pluggable Cartridges (DC & AC)
WB-SX2-PVS-166-TL-US
WB-SX2-PVS-175-TL-US
• 24 quick fit connector pairs (2 each MPPT)
• DC switches
• AC disconnection switch
• SPD Type 2 Pluggable Cartridges (DC & AC)
“Power module” Model Number Description
PVS-166-TL-POWER MODULE Inverter section / power module with 166kW output power
PVS-175-TL-POWER MODULE Inverter section / power module with 175kW output power
“Bracket” Model Number Description
PVS-175-TL-BRACKET Bracket allowing vertical installation only.
4. Lifting and transport
4.1 Transport and handling
Transportation of the equipment, especially by road, must be carried out using appropriate vehicles and methods to protect the
components (particularly electronic components) from violent shocks, humidity, vibration, etc.
-Do not stack inverters during transportation: only a stack of 1 inverter (2 pallets) is acceptable.
-Be sure to secure inverters to side of truck with straps during transportation.
-Be careful not to drop or tip inverter pallets.
-Be careful not to stab inverter packaging with forks of fork lift.
4.2 Unpacking and checking
The components of the packaging must be disposed in accordance with the regulations in force in the country of installation.
When you open the package, check that the equipment is undamaged and make sure all the components are present. If you find any
defects or damage, stop unpacking and consult the carrier, and also promptly inform the Customer Service.
Equipment weight
Device Weight (kg/lb) Lifting points Holes for handles (optional) or Eyebolts UNI2947 (not supplied)
Power module 76.5 kg / 168 lbs 4M8. Kit of handles (04) (to be ordered)
Wiring box 76.8 kg / 169 lbs 4M8. Kit of handles (04) (to be ordered)
4.3 Lifting
LIFTING –URisk of injury due to the heavy weight of the equipment!
FIMER usually stores and protects individual components by suitable means to make their transport and subsequent handling easier.
Nonetheless, as a rule, it is necessary to turn to the experience of specialised staff to take charge of loading and unloading components.
The power module and the wiring box must be lifted using the 4 handles (04) or alternatively using suitable lifting equipment. The means
used for lifting must be suitable to bear the weight of the equipment.
LIFTING –UIn case of manual lifting the number of required operators necessary to lift the equipment must be in accordance to local
regulations relating lifting limits per operator.
The handles (04) must be mounted into the designated holes located on the enclosures; If lifting with ropes, M8 eyebolts must be mounted
in the same holes.

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ATTENTION –AHandling and installation operations shall be performed only by using the special tools and accessories provided
with “PVS-175 Installation Kit” that has to be ordered separately. The use of these equipment are mandatory to safely install the
inverter. Refer to “Kit of recommended spare parts” chapter content in the user manual for further information.
ATTENTION –ADO NOT grab the equipment from the rear flange! Risk of injury due to sharp surfaces and risk of equipment
damange. Always use proper lifting equipment!
It is required to use one of the following lifting methods to move the equipment during installation or maintenance phases.
ATTENTION –APay attention to completely tighten the thread of the handles or eye-bolts.
Manual lifting (handles) Vertical lifting (eyebolts and lifting balancer)
M8. Kit of handles (04) (to be ordered)
M8. Hole for Eyebolts UNI2947 (not supplied) *lifting balancer must
be 20 cm / 8” longer (per side) than the lifted device.

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ATTENTION –AAlways consider the center of gravity of the enclosures while lifting.
Center of gravity (power module)
Center of gravity (wiring box)
ATTENTION –AIn case of manual lifting it’s suggested to use a support plan (e.g. a table) to place the equipment during the lifiting
operation, to allow the change of hands position.
ATTENTION –APay attention to completely tight the thread of the handles or eye-bolts.
A
A
B
B

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5. List of supplied components
Available components for wiring box Qty
Multifunction and aux relay (33) connector (pre-installed on communication board (28)) 2
Remote ON/OFF (38) and RS485 (39) connector (pre-installed on communication board (28)) 3
Key tool for front covers quarter cam-lock (05)
Different keys are available based on the cover quarter cam locks (05) installed on the inverter 1 + 1
M8 bolt and washers for EGC connection point (10) 1 + 1 + 1
Technical documentation 1
Available components for power module Qty
PVS-175-TL-A.2
M6 bolts with washers for AC interface connection point (phases) 3
PVS-175-TL-A.2
M5 bolts with washers for AC interface connection point (MID BULK) 1
M5 nut and washers for Interface protective earth point (26) 1 + 2
Version with DC cable tray (59) only:
DC cable tray (59) + 2xM5 assembly screws + 2xM8 installation screws + 2xM8 flat washers
+ 2xM8 cut washers
1 + 2 + 2 + 2
Sheating for DC interface cables (18) 2
Available components for brackets Qty
Mounting Bracket 1
PVS-175-TL-A.2
M8 bolts with washers for mechanically securing the half-brackets 2
M6 screws for mechanically securing the wiring box to the bracket 2
6. Kit of recommended spare parts
Code Description Qty
PVS-175
INSTALLATION KIT
Kit of handles (04) 4
PV quick fit connector (17) disconnection tool 1
NEMA4 protection covers protection covers for wiring box
openings (long term installation) with screws
2 (with 8
screws)
Key tool for front covers quarter cam-lock (05)
Different keys are available based on the cover quarter cam
locks (05) installed on the inverter 1 + 1

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Code Description Qty
EYEBOLTS KIT Eyebolts for lifting 4
PVS-175 IP65 COVERS
KIT
NEMA4 protection covers protection covers for wiring box
openings (long term installation) with screws
2 (with 8
screws)
KIT MC4 EVO mating
part (complete) Quick fit connectors cable mating kit (24 couples) 24 female
24 male
KIT MC4 EVO mating
part (single channel) Quick fit connectors cable mating kit (2 couples) 2 female
2 male
PVS-175 FAN KIT
1 external fan sets for power module (DC/DC),
1 external fan sets for power module (AC/DC),
2 internal air circulating fans for wiring box
2 external
fan sets
2 internal
wiring box
fans
7. Choice of installation location
7.1 General recommendation on installation
position
• See characteristics and technical data paragraph to check
the required environmental conditions (protection rating,
temperature, humidity, altitude, etc.).
• The installation location shall be easily accessible.
• Installation of the unit in a location exposed to direct sunlight
is NOT acceptable (add awning in case of direct sunlight
installation).
• Installation in open environment subject to snow load is not
advised (add awning to prevent excessive snow load).
• Installation on back of module racking structure is recommended
• Final installation of the device must not compromise access to
any disconnection devices that may be located externally.
• Do not install in small closed rooms where air cannot circulate
freely.
• Always ensure that the flow of air around the inverter is not
blocked so as to prevent overheating.
• Do not install in locations where flammable substances or gases
may be present (minimum distance 3 m).
• Do not install on wooden walls or other flammable supports.
• Install on a wall or strong structure suitable to bear the weight.
• Do not install in rooms where people live or where the prolonged
presence of people or animals is expected, because of the high
noise that the inverter produces during operation. The level of the
sound emission is heavily influenced by where the appliance is
installed (for example: the type of surface around the inverter,
the general properties of the room, etc.) and the quality of the
electricity supply.
• Never open the inverter in the case of rain (even light rain), snow
or a level of humidity >95%. Always carefully seal all unused
openings. In case of opening when the unit is wet, avoid any water
infiltration inside the unit, either in WB or PM.
• All installations over 6500’ (2,000 meters) must be assessed
by FIMER Technical Sales to determine the proper datasheet
derating.
7.2 Tilting allowance
• The installation can be carried out with a maximum inclination as
indicated in the figures beside.
NO
OK
30° MAX
Vertical Tilting
Side Tilting
PVS-120
PVS-120
±1° MAX

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7.3 Distances
• Hardware and software maintenance on device entails removing
the front cover. Check that the correct installation safety distances
are observed in order to allow routine check and maintenance
operations.
• Provide sufficient working space in front of the inverter that allows
to open the front covers (06)(07) and to make connections on the
wiring box.
50cm / 20”
*100cm / 40”
(*): recommended
minimum free
space to operate
with the inverter
• Install at a height which takes into consideration the weight of the
appliance and in a position which is suitable for servicing, unless
suitable means are provided to carry out the operation.
• If possible, install at eye-level so that the status LEDS (08) can
be seen easily.
• Do not install any object (e.g. AC or DC cables) that could be
damaged by overheating from outgoing hot air flow from top and
side fan sections (ΔT= +15 °C compared to ambient temperature).
In case of this kind of installation needs, please evaluate the
installation of a proper air deflector. Always respect the minimum
distances required.
• Respect the minimum distances from objects around the inverter
that could prevent the inverter installation and restrict or block the
air flow.
A
B
CC
The minimum clearance distances depends from multiple factor:
• Ventilation flow on the top side of the inverter. The upper (A)
minimum required free space must be 25 cm / 10”.
• Possible flooding or damage during grass cutting. It changes
the bottom (B) required free space: If the inverter is installed in
a place where there are risks of flooding or there is need to cut
the grass growing underneath the unit, the bottom (B) minimum
recommended free space is 50cm / 20”; otherwise in case the
inverter is installed in a place where there’s no risks of flooding or
grass cutting, the bottom (B) minimum required free space can be
reduced to 15 cm / 6”.
• Cables bending radius. Sides (C) minimum required free space
may depends from cable type (cable dimension, bending radius,
etc..): this evaluation must be done by the installer during the
plant design phase (refer to “Cable routing” chapter for more
information). In any case minimum required free space for proper
ventilation of the unit (near side fans) cannot be under 15 cm / 6”
on the right side and 30cm /12” on the left side.
C C
ATTENTION –AIn case of manual installation, using handles
(04), consider a free side space to lift the inverter of 60 cm /
24” minimum.
ATTENTION –AIn case of installation with lifting equipments
(eyebolts and ropes) the side distances (C) could be reduced
at the minimum required but a subsequent manual lifting will
no longer be possible: in this case the lifting equipments must
remain available on the field for any subsequent operation.
7.4 Installation of multiple units
• When installing multiple units position the inverters side by
side paying attention to keep the minimum clearance distances
(measured from the outer edge of the inverter) for each inverter
specified in the following graph.
50 cm
20”
50 cm
20”
50 cm
20”
• The installation of two inverters positioned back to back is also
permitted on a structure which must be composed of 2 or 3 frame
supports (refer to “Mounting with a support bracket” chapter). In
this case the minimum recommended distance between the units
in order to avoid the use of an air deflector is 30cm / 12”.
30 cm
12”
NOTE –DPlease refer to the warranty terms and conditions to evaluate
any possible warranty exclusions due to improper installation.

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7.5 Wireless signal environmental checks
The inverter can be commissioned and monitored using the
wireless communication channel. The WLAN board of the inverter
uses radio waves to transmit and receive data, it is therefore
important to find a new position for the router considering the
different materials which the radio signal will have to pass through:
Material Relative signal reduction
Open field 0% (strength of approximately 40 meters)
Wood / Glass From 0 to 10%
Stone / Plywood From 10 to 40%
Reinforced concrete From 60 to 90%
Metal Up to 100 %
ATTENTION –AFinal installation of the inverter must not
compromise access to any externally located disconnection
devices.
READ THE MANUAL –EPlease refer to the warranty terms
and conditions to evaluate any possible warranty exclusions
due to improper installation.
8. Mounting Instructions
ATTENTION –AThe inverter must be corrrectly installed, in a
suitable location, to operate properly and safely.
ATTENTION –AInstallers must know and understand
applicable NEC requirements and any local codes for
photovoltaic systems.Installers must know and understand
OSHA and other applicable safety requirements, including
lockout/tagout procedures.
ATTENTION –ARemember that when the photovoltaic
panels are exposed to sunlight they provide continuous
DC voltage to the inverter. Before installation may begin,
photovoltaic panels must be shaded or isolated.
ATTENTION –ABefore installation may begin, the inverter
must be disconnected from the grid (power disconnect switch
open and external AC disconnect locked out/tagged out).
ATTENTION –ALimit installation to licensed electricians
experienced in PV plant wiring.
ATTENTION –AObtain approval of the local AHJ before
connecting the inverter to the electrical grid.
ATTENTION –AThe equipment owner must post the PPE
level (per NFPA TDE-2012, Table 13)
8.1 Installations of protection covers for
wiring box openings
ATTENTION –AThe connections can also be made with the
wiring box (02) detached from the power module (01) that
can be connected later for commissioning. When working
with the wiring box (02) detached, pay particular attention to:
- presence of earth connection
- The top of wiring box must always be protected in outdoor
installations with proper protection covers (optional
accessory content in “PVS-175 INSTALLATION KIT”, to
be ordered separately). Refer to the dedicated chapter
“Installation of protection covers for wiring box openings
(long term installation)” for further information about the
installation procedures.
ATTENTION –ANever leave the power module (01) or the
wiring box (02) (without protection covers) disassembled on
the field.
To install the protection covers place them over the wiring box
openings and fix it using the 8 x M5 screws provided with the
accessory kit.
8.2 Bracket assembly
• Assemble the two side bracket pieces together with the central
bracket, by sliding it as shown in the picture and paying attention to
the orientation of the pieces (refer to arrow and “UP” markings on
the brackets): side brackets arrow have to be turned downwards,
central bracket have to be turned upwards.
• Slide the central bracket in order to match the two holes with the
centerning pins of the side brackets.

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• Use the two M8 screws with flat and spring washers (supplied) to
fix the pieces of the bracket together.
• Position the bracket (03) perfectly level on the support and use it
as drilling template.
Consider the overall dimensions of the power module (01) and
the wiring box (02).
• It is the installer’s responsibility to choose an appropriate number
and distribution of attachment points. The choice must be
based on the type of support (wall, frame or other support), the
type of anchors to be used, and their ability to support 4 times
the inverter’s weight (4x153Kg/338lbs=612Kg/1352lbs for all
models).
• Attach the bracket (03) to the support with at least 6 attachment
screws (shown in YELLOW) or at least 6 frame fixing
bracket for frame mounting (shown in BLUE).
Depending on the type of anchor chosen, drill the required holes
to mount the bracket (03). The pictures show the recommended
minimum fixing point depending to the type of support.
Wall/Floor mounting
minimum fixing points
Frame mounting (2 supports)
minimum fixing points
Frame mounting (2 supports)
minimum fixing points
• In case of use of “frame fixing brackets” (see picture below as
example) it will be possible to fix the bracket to the frame structure
without drill any additional holes.
• Fix the bracket (03) to the support.
8.3 Assembly of the Inverterto the bracket
• Lift the wiring box (02) up to the bracket using the optional handles
(04) or another appropriate lifting device.
LIFTING –URisk of injury due to the heavy weight of the
equipment.
• Insert the heads of the two rear attachment pins (14) (placed on
the rear part of the wiring box) into the two slots on the bracket.
Check that the pins (14) have been correctly inserted in the slots as
shown in the picture before releasing the wiring box.
14
• Remove the handles (04) or eyebolts.
• Lift the power module (01) up to the bracket (03) and over the
wiring box (02), using the handles (04) or another appropriate

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lifting device.
Insert the heads of two rear attachment pins (14) (placed on the
rear part of the power module) into the slots on the bracket
(03).
ATTENTION –ARisk of injury due to the heavy weight of
the equipment. Always consider the center of gravity of the
enclosures while lifting.
ATTENTION –ADuring this installation phase pay special
attention to not damage the gaskets on the AC and DC
coupling system.
DC gaskets
AC gaskets
Any damage on the gaskets could cause serious fault to the
unit and will lead to the invalidation of the warranty.
14
• Fasten all of the four side latches (06) as shown in the pictures.
8.4 Opening the Wiring box cover
• Using the key tool provided in the kit of supplied components
(inside the wiring box package), open the three cover quarter
cam locks (05) following the proper ways as shown in the related
silkscreens on the Wiring box cover (07).
ATTENTION –AUse the right key (supplied) for the cover
quarter cam locks (05).
ATTENTION –A(only for -SX2 version) Set the wiring box AC
disconnect switch (09) to OFF position; otherwise it will not
be possible to open the Wiring box cover (07).
• Open the Wiring box cover (07) and use the cover support
brackets (15) to lock the cover (07) in open position.
15
ATTENTION –APay attention to properly secure the cover
support brackets (15) in order to avoid falling of the cover!
8.5 Final fastening operations
To reach the two junction screws (20) and complete the power
module (01) and wiring box (02) mating, the DC surge arrester
plate (21) have to be opened as follow:
• Remove the cable duct (54) from the DC surge arrester plate (21).
54
21