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10
10
Closing the Cabinet Door
1. Install the support bar.
If the screws used for securing the cabinet door are lost, use the security torx screws in the
⚫
fitting bag.
If the floating nuts used for securing the cabinet door are lost, use the idle floating nuts on the
⚫
cabinet.
11
FAQ
11.1
How Should I Power Off the System Before Maintenance?
Put on insulation gloves before powering off the system.
1. Turn off the single-phase power switch that controls the power supply from the remote box-type
transformer to the smart array controller.
2. Turn off the three-phase power switch that controls the power supply from the remote box-type
transformer to the smart array controller.
If the smart array controller houses one PID module, turn off the appropriate three-phase
⚫
power switch.
⚫
If the smart array controller houses two PID modules, turn off the appropriate two three-
phase power switches.
3. Turn off the DC input and output switches on the smart array controller.
If the smart array controller does not support 24 V DC input or output, skip this step.
⚫
If the smart array controller supports 24 V DC input and output, turn off the QF06 DC output
⚫
switch and QF07 DC input switch.
4. Turn off the QF01 single-phase input switch on the smart array controller.
5. Turn off the three-phase input switch on the smart array controller.
⚫
If the smart array controller houses one PID module, turn off the QF02 (or FU01) three-phase
input switch.
⚫
If the smart array controller houses two PID modules, turn off the QF02 and QF04 (or FU01
and FU02) three-phase input switches.
6. Turn off the PID switch on the smart array controller.
⚫
If the smart array controller houses one PID module, turn off the QF03 PID switch.
If the smart array controller houses two PID modules, turn off the QF03 and QF05 PID
⚫
switches.
2. Close the main cabinet door and tighten the
screws.
28
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