3.3 Nameplate
Note: Other models of MAX 175-253KTL3-X HV series share the same label design
with MAX 253KTL3-X HV, only with different model name and parameters, detail
parameter please refer to specification in Chapter 10.
The MAX 175-253KTL3-X HV series inverter works as follows:
1>The PV panels gather solar to generate DC power to inverter.
2>With input current detection circuit, it can monitor all the PV panels' working status
and use MPPT to track the maximum power point.
3>With inverter circuit change DC power to AC power, and feed power back to grid per
grid reuqirement.
4>With output isolation relay can isolate AC output and grid, if anything goes wrong on
either inverter side or grid side, isolation relay can disconnect inverter immediately.
3.4 Working Principle
On-grid connection system diagram：
Fig 3.4
断路器
A B C
3.5 Inverter Storage
3.6 Grid Types
1>Do not unpack the inverter and store it in a ventilation dry place .
2>Keep the storage temperature at -30 ℃- +60℃ and humidity at 0-100%.
3>A maximum of three inverters with package can be stacked.
4>If the inverter has been long-term stored, inspections and tests should be conducted
by qualified personnel before it is put into use.
After being stored for a month or longer, the inverter's time and date
could be wrong, you need set the time and date before using, for
more details please refer to Chapter 7.1 inverter commissioning
The MAX 175-253KTL3-X HV seriers inverters connect to the grid like following drawing
3-5：
Fig 3.5
462V
800V
462V
462V
800V
800V
7
8
Made in China
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