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Insert the dry contact card into the intelligent slot, it’s another type function of intelligent monitoring.
Foot
Definition
PIN1
ON
：
UPS is malfunctioning
PIN2
ON
：
Alarm
（
system failure
）
PIN3
Ground
PIN4
Remote shutdown
PIN5
Common
PIN6
ON
：
Bypass mode
PIN7
ON
：
Battery low
PIN8
ON
：
Inverter mode
；
OFF
：
Bypass mode
PIN9
ON
：
No AC power in
> RS485 card (option)
RS485 card is also designed for this series UPS, A(+) and B(-) on the right are the output of RS485.
All above, for more information, please contact to the local dealer.
3.6 Maintenance switch (option)
UPS with maintenance switch(option) can be maintained online. Open the maintenance bypass switch cover
you can see a maintenance switch if the UPS has this function.
When you need to maintain or repair the UPS online, follow the procedure as below:
●Open the maintenance bypass switch cover, UPS will transfer to BYPASS mode automatically;
●Set the switch at “BYPASS” position;
●Now you can maintain or repair the UPS;
●After finishing the maintenance operation, set the switch back to “UPS” position, and put the cover back.
Complete all the steps above, you are done the maintenance.
3.7 Battery pack selecting
There are two options of battery group quantity for users to choose, 16 units and 20 units. The default
quantity is 16 units, but this series UPS are also allowed to connect with 20 units batteries. When users want
to apply 20 units batteries group for this series UPS, need to open the UPS case and find the control board
and the charger, then operate the short pins on control board and charger board.
