4: Operating procedures
38
TS_604_01 PowerWave PW3000/TP User Manual UK 5/1/18
4.4
Single module – changing the operating mode
When the UPS is turned on you can quickly switch between its various operating modes as shown below:
4.5
Single module shut down – with mains supply present
Use this procedure to totally shut down a single module UPS system and its connected load.
1. Switch off the individual load items.
2. If the UPS is operating in ‘on-bypass’ mode go to step 4.
3. On the Control Panel, press the
ON/OFF
key continuously for more than three seconds.
a) The alarm buzzer will sound.
b) The UPS will transfer to ‘on-bypass’ mode and its output will remain live through the (unprotected) bypass supply.
Note:
If the bypass has been disabled through the Settings menu, when you press the
ON/OFF
key for more than
three seconds to shut down the UPS the unit will change from ‘on-line’ to ‘on-battery’ mode (see below).
4. On the back of the UPS cabinet, open the input breakers M1 and M2 (position
OFF
).
a) Power will be removed from the UPS output terminals
b) The fans will stop.
c) After a few seconds the UPS LCD display will power down.
5. To totally isolate the UPS, open the UPS Input/bypass Isolators and, where used, open the external battery cabinet
fuses/isolator.
4.6
Single module shutdown – with UPS on battery
1. Turn off the individual load items.
2. On the Control Panel, press the
ON/OFF
key continuously for more than three seconds.
a) The alarm buzzer will sound for three seconds
b) The output power will be immediately cut-off.
c) The fans will stop.
d) After a few seconds the UPS LCD display will power down.
3. To totally isolate the UPS, open the UPS Input/bypass Isolators and, where used, open the external battery cabinet
fuses/isolator.
From
To
Action
ON-LINE
ON-BYPASS
*
Press the
ON/OFF
key for 3 seconds.
ON-BYPASS
ON-LINE
Press the
ON/OFF
key for 3 seconds.
ON-BYPASS
ON-BATTERY
Isolate the mains/bypass power supply.
ON-BATTERY
ON-LINE
Restore the mains.bypass power supply.
*
If the bypass is disabled in the
SETTINGS
menu, when operating in the ON-LINE mode pressing the
ON/OFF
key for
three seconds will switch the UPS ON-BATTERY
mode.
WARNING:
With the UPS shut down allow at least 5 minutes for the UPS DC capacitors to discharge
before gaining internal access.
WARNING:
With the UPS shut down allow at least 5 minutes for the UPS DC capacitors to discharge
before gaining internal access.
