Njoy Astris 5K/3P2T2 User Manual page 18

Step 2. Install the inverter.
Install the inverter on the bracket accurately and tighten the screws at
both sides, as shown in Step 5 and Step 6.
CAUTION
To prevent damage of the inverter, please hang the inverter on the
bracket and confirm the reverse,do not loosen the handle until the
inverter is fixed
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