User Manual

Main cable( line cable)shall be short circuit protected and thermal overload AC
protected.
Always fit the input cable with fuse. Normal gG( : or T)fuses will protect the input US CC
cable in short circuit situation. They will also prevent damage to adjoining equipment.
Dimension the fuses according to local safety regulations, appropriate input voltage
and the related current of the solar inverter.
AC VAC KW /3.3KW output protected by external fuse(gG rated current 25A/250 for 3.0 ;
32 /4.2 /4.6 /A/250VAC for 3.6KW KW KW 5.0KW/5.5KW/6.0KW) provides in all live
connections to the AC supply.
The rated short circuit breaking capacity of the above protective device shall be at
least equal to the prospective fault current at the point of installation. See section
technical data of this manual details.
AC ; L, N,PE: 3*4.0mm KW/3.3KW/3.6KW and 3*5mm for output cable: Cu for 3.0
4.2KW/4.6KW/5.0KW/5.5KW/6.0KW @40℃ ambient temperature with a max length of
5m, with operating time of the fuses is less than 5 seconds, installation method B2
according to 60204-1:2006, annex D: cable in conduit cable trunking system, EN
number of loaded circuit only one. Use H07 (cord designation 60245 66) for an RNF IEC
ambient temperature of 40 or less and use 90 wire for ambient temperature ℃ ℃
between 40 and 60 .℃ ℃
Note 1: For those different conditions mentioned above, dimension of the cables
according to local safety regulations, appropriate input voltage and the load and the
load current of the unit.(You can choose a thicker cable but the fuses must rated
according to the cable.)
Note 2: Fuses must be approved by Notified Body.
Inverter is not provided galvanic isolation from the mains to the array, feedback PV
current to the array is 25A/250VAC for 3.0KW and 3.3KW; 32A/250VAC for 3.6KW,
4.2KW, 4.6KW, 5.0KW, 5.5KW and 6.0KW based on the fuse provided in the mains. Also
in the worst case the reverse current comprises the sum of the short-circuit currents of
all intact lines.
Therefore the current-carrying capacity of the components and sub-assemblies
provided in the end-use system(connectors, cables, junction box, switch ger, etc.) and
the reverse current modules shall be considered based on the feedback current PV
and reverse current. The direct current( ) circuit breaker or fuse between each solar DC
generator and inverter shall be provided based on solar inverter input ratings.
Select cables based in the above inverter back-feed current and rating and DC ISC PV
Vmax ratings.
Selection of Fuses and Cables connection
2
NOTE!
Earth Connection
Ø
Screw the ground screw with allen wrench shown as follow. (φ4 hexagon
wrench.torque:1.5±0.2Nm)
22
Installation Installation
23
Ø
WARNING!
Be sure the ground wire must be connected!
5.5.2 Communication interface
This product has a series of communication interfaces: such as
WiFi,RS485/Meter/DRM are used for communication and USB is used for
Firmware updating. Operating information like output voltage, current,
frequency, faulty information, etc., can be delivered to PC or other
monitoring equipment via these interfaces.
WiFi
This inverter provides a WiFi port which can collect information from inverter
including status, performance and updating information to monitoring website
via connecting Pocket WiFi( purchase the product from supplier if needed)
Connection steps:
1).Plug the Pocket WiFi into “WiFi/LAN/GPRS” port at the bottom of inverter.
2).Connect the WiFi with router.
3).Set the station account on the SolaX Cloud Monitoring .(Please check the
Pocket WiFi user manual for more details) (torque:0.6±0.1Nm)