Dell EMC VMAX 250F - Procedure A, Task 1: Customers Electrician; Circuit Breakers on - AC Power Within Specification; Circuit Breakers off - no AC Power

Procedure A, Task 1: Customer's electrician
NOTICE
This task is performed by the customer's electrician.
Procedure
1. Verify that the customer-supplied AC source voltage output on each customer-
supplied PDU is within the AC power specification shown in AC power
specifications on page 130. Measure the voltage output of each power cable as
shown in Figure 35 on page 115.
2. Turn OFF all the relevant circuit breakers in customer-supplied PDU 1 and
customer-supplied PDU 2.
3. Verify that the customer-supplied power cables connected to PDU 1 and PDU 2
have no power as shown in Figure 36 on page 115.
Figure 35 Circuit breakers ON — AC power within specification
Customer’s
PDU 1
Customer’s
PDU 2
Circuit
breakers
on (|)
Circuit
breakers
on (|)
Circuit breakers - Numbers
27
28
29
30
Circuit breakers - Numbers
...
8
9
10
11
...
Labels on
customer
power lines
Power feed 1
Power feed 2
PDU 1
CB 28
PDU 2
CB 9
Volt
m ete
r
TYPE PM89
CLASS 25 01
0
100
240
300
V
Volt
m ete
r
TYPE PM89
CLASS 25 01
0
100
240
300
V
Figure 36 Circuit breakers OFF — No AC power
Customer’s
PDU 1
Customer’s
PDU 2
Circuit
breaker
off (0)
Circuit
breaker
off (0)
Circuit breakers - Numbers
27
28
29
30
Circuit breakers - Numbers
...
8
9
10
11
...
PDU 2
CB 9
PDU 1
CB 28
Labels on
customer
power lines
Voltmeter
TYPE PM89
CLASS 25 01
0
100
240
300
V
Voltmeter
TYPE PM89
CLASS 25 01
0
100
240
300
V
Best Practices for AC Power Connections
Procedure A, Task 1: Customer's electrician 115