User's Manual Part 2

Initial Power Up – continued

Apr 2001

2-5

SC4812ET BTS Optimization/ATP — CDMA LMF

DRAFT

Figure 2-2: AC Load Center Wiring

G = Ground

N = Neutral

L1 = Line 1

L2 = Line 2

AC to Pilot Beacon

FW00305

Applying AC Power

Once AC Voltage Measurements are complete, apply AC power to the

Power Cabinet. Table 2-4 provides the procedure for applying AC

power.

Table 2-4: Applying AC Power

Step Action

1 When the input voltages are verified as correct, turn the Main AC breaker (located on the front of the

AC Load Center) ON. Observe that all eight (8) green LEDs on the front of the AC Load Center are

illuminated (see Figure 2-7).

2 Turn Rectifier 1 and Rectifier 2 AC branch breakers (on the AC Load Center) ON. All the installed

rectifier modules (see Figure 2-7) will start up and should each have two green LEDs (DC and Power)

illuminated.

3 Turn the Meter Alarm Panel module, ON (see Figure 2-3), while observing the K2 contact in the

PDA assembly (see Figure 2-9). The contact should close. The Meter Alarm Panel voltage meter

should read approximately 27.4 +

0.2 Vdc.

4 Turn the Temperature Compensation Panel (TCP) ON, (see Figure 2-4). Verify that the Meter Alarm

Control Panel does not have any alarm LEDs illuminated.

5 Check the rectifier current bargraph displays (green LED display on the rectifier module). None

should be illuminated at this point.

If batteries are fitted, turn on the two battery heater AC

breakers on the AC Load Center.

NOTE