4. Turn the Inverter off by pressing the grey "Inverter OFF"
pushbutton on the front panel for approximately 3
seconds if your Comet has been programmed to
automatically restart.
5. Close the battery disconnect circuit breaker(s) QF1.
6. Turn the manual bypass switch SR1 to the "NORMAL"
position.
7. Turn the Inverter on by pressing the green “Inverter ON"
pushbutton on the front panel. If the transfer conditions
are not satisfied (bypass out of tolerance or other
reason), a forced transfer will be required. Refer to the
"Forced Transfers" section for more information.
Now the UPS is in normal operating mode. The green "Load
Protected" LED is illuminated on the indication panel, and
the operating status of the UPS is provided by the
alphanumeric display.
• Press and hold the grey "Inverter OFF" pushbutton for 3
seconds.
• The green “Load Protected” LED goes off.
• The red “Load Not Protected” LED goes on.
• The buzzer sounds.
• The Inverter stops if the transfer conditions are correct.
• The load is transferred and supplied via the "Static
Switch".
3.5.1 Inverter Shutdown
3.5 Shut-down
procedures
CAUTION
ALWAYS turn the Inverter off before rotating the Manual Bypass
Switch (SR1).
3 — 14 Operation 86-160310-00
Comet 40 - 150 kVA Uninterruptible Power System
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