Installation Manual
CA294-03070 rev 00
page 132 of 153
Figure 109 switching the UPS on
/
Power
button
4.
At each UPS, to switch the UPS units on:
a.
Make sure that the relevant cables are connected to the two UPS systems.
b.
Switch the UPS on at the rear switch.
c.
Turn on the input breaker switch shown in Figure 109.
d.
At the front of the UPS, press the Test and Power buttons on together for a few
seconds until the UPS switches on and changes to on-line mode.
The computers within the cabinets should switch on.
At the Main (M1) cabinet
5.
Turn the circuit breaker
11S0
at the side of the cabinet on.
6.
If not already turned on, turn the Internal Mains Cabinet Supply Isolator switch at
20S0
on.
The three green LEDs L1, L2, and L3 on the front of cabinet M1 should light.
7.
Turn the circuit breaker
11F2
on.
WARNING:
The system is electrically alive. Take care not to
touch any live parts inside the electrical cabinets.
8.
Verify the 3-phase main power voltage at the mains power supply.
The voltage should be 400 V between ground and live and 230 V between each other.
THE LEDs at the HVPS boxes above the two engines should light.
NOTE:
Perform the following detailed power up procedure exactly as
described.
Proc.
Electrical cabinet M1
Notes
9.
Switch the following circuit breakers and power isolators ON:
a.
13F1
b.
13F3
c.
20F0
d.
20F3
The mains power cabinet front door light buttons should be lit.
Circuit breaker
11F2
is already
switched ON