COVER HS Series – User manual
COMEX S.A.
32
4.2
Procedures for switching the power supply between modes
4.2.1
Switching from normal to battery mode
The following procedure applies to both the operation of a single power supply and the parallel
power supply.
Open the rectifier power switch located in the UPS power switch to disconnect the UPS. For HS
505, you can use the Q1 power switch disconnect behind the front UPS door. UPS will go into
battery mode. If the power supply is to be switched back to normal operation, wait a few
seconds and then close the power supply disconnect switch. After approximately 10 seconds,
the rectifier is started and the mode is switched to normal mode.
4.2.2
Switching from Normal to Bypass mode
There are two ways to switch the power supply to Bypass mode.
Method 1: Enter the Operation menu and select the command "Transfer to Bypass" on the LCD
(icon
).
Method 2: Press and hold the BYP key for two seconds on the UPS power panel until the UPS is
in bypass mode. For this to work on the UPS rear door, switch SW1 must be in the ON position.
Enable the switch
A
Zoom in A area
Attention
In Bypass mode, the loads are powered directly from the network and are not protected
against the effects of power outages and interruptions.
4.2.3
Switching from Bypass mode to normal operation.
Method 1: Enter the Operation menu and select the command "Transfer to Inverter" on the LCD
(icon
).
Method 2: Hold down the INV key on the power supply panel for more than 2 seconds.
警告
危 险
