COVER HS Series – User manual
COMEX S.A.
31
LED
State
Rec diode
Green
Battery diode
Red
Bypass diode
Turn off
Inv diode
Green
Output diode
Green
State diode
Red
Close the battery breaker on the UPS (for both units in parallel operation), eg on the battery
rack. The red battery light goes out. Then the batteries are charged by the UPS.UPS works in normal
mode.
4.4.2
Starting the UPS from the battery
1. Check that the batteries are connected. Close the battery breaker on the UPS (repeat the
operation on both units in case of parallel power supply operation).
2. Press and hold the red "cold start" button for 3 seconds (in the case of parallel operation of the
power supplies, repeat operation on both units).
During commissioning, the LCD is turned on. The battery light flashes. When the charger is running
for about 30 seconds, the battery light starts to glow green.
Warning. If the green battery light does not blink, it means that you need to press the red "cold start"
button again.
3. The inverter starts up automatically, the inverter's LED blinks. The power supply is turned off after
approximately 60 seconds.
4. Turn on output switch Q4 - only for HS 505 UPS or external output circuit breaker for HS 205 and HS
305.
Attention
The "Battery Cold Start" switch is standard on the HS 305 and HS 505. The HS 205 is optional.
警告
危 险