OPTI-UPS SS20K33 - Manual (Page 8)

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it is essential to follow the instructions of installation and cable connection.
Requirement of operation environment：
The operation environment plays a vital role for an AVR , both the function and the endurance of AVR
will all be easily affected if the environment does not meet its requirement listed below：
1. Ambient temperature：0℃ ~ 40℃.
2. Keep off the oil and the salt.
3. Keep off dust, fluff and metal dust.
4. Avoid installing on a vibratory machine.
5. If AVR is installed inside a machine or a panel cabinet, the ventilation is very important, the best is
to add cooling fan.
6. Do not place anything on top of the AVR.
Cable Connection
1. The installation standard varies with the different models, different capacities as well as the
different voltage, please refer to the appropriate installation standard provided in this manual to
install your AVR and put attention to the right cables used for installation.
2. Please use a separate AC input Breaker for AVR and a closer distance to the AC power
is recommended.
3. Be sure to check the right polarity while connecting cables to terminals, no matter the AVR is a
single phase or three phase.
4. The utmost importance to install a three phase AVR is to mark sure of the right phase order.
5. For safely consideration, it is strictly forbidden to install with AC power “On” status.
6. Cable assembling must be completely in accordance with the electrician rules.
7‐ Operating procedures
Check if the AVR has been subjected to any damage before unpacking it.
If you notice any damage then contact to transport firm.
Check if all the spare parts have been supplied with the AVR.
Checking the input power is correct or not, then closing all switches (including every
load).
Delivered pack includes: