Liebert 6000 A 5.3Addition / Replacement Procedures, 5.3.1Addition or Replacement of a Rectifier

Models: 3000

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5.3Addition / Replacement Procedures

Table 39 Fault diagnosis

Fault symptom

Possible causes

 

 

LOP lamp lit

Loss of one or more phases in the AC supply

 

 

HVSD lamp lit

High voltage shutdown condition initiated by the controller

 

 

LVD lamp lit

Low voltage disconnect condition initiated by the controller

 

 

AUX 1 lamp lit

User defined alarm condition

 

When a Battery Disconnect Unit is present, this lamp will indicate that a

 

battery disconnect alarm is ongoing.

 

 

AUX 2 lamp lit

User defined alarm condition

 

 

BOD lamp lit

Low discharge voltage condition

 

Incorrect BOD level adjustment

 

 

ACO lamp lit

ACO switch has been operated during an alarm condition which is still

 

ongoing

 

 

EQL lamp lit

The equalize function has been activated

 

 

Rectifiers are not sharing the

Incorrect float or equalize adjustment on one of the rectifiers

load

Sense leads opened on one rectifier

 

Share mode incorrectly set

 

 

Meter display is OFF

Open meter fuse

 

Meter and display failure

 

Meter and display rotary switch in the OFF position

 

 

5.3Addition / Replacement Procedures

5.3.1Addition or Replacement of a Rectifier

5.3.1Addition or Replacement of a Rectifier!Manual background WARNING

PRECAUTIONS SHALL BE TAKEN TO AVOID SERVICE INTERRUPTIONS

WHEN INSTALLING A RECTIFIER, THE FLOAT AND EQUALIZE VOLTAGES MUST BE SET ACCORDING TO THE TYPE OF BATTERIES USED WITH THE SYSTEM. FAILURE TO SET THESE VOLTAGES PROPERLY MAY RESULT IN BATTERY UNDERCHARGING OR OVERCHARGING AND/OR BATTERY DAMAGE.

Manual background!Manual background WARNING

PROTECTING PERSONNEL AGAINST ELECTRICAL SHOCKS

INPUT VOLTAGES TO THE RECTIFIERS ARE AT A DANGEROUS LEVEL. ENSURE THAT THE CIRCUIT BREAKERS ARE LOCKED IN THE OFF POSITION AT THE AC SERVICE PANEL BEFORE ATTEMPTING TO WORK ON THE RECTIFIERS. DANGEROUS VOLTAGES MAY STILL BE PRESENT AT THE TERMINALS EVEN IF THE RECTIFIERS ARE OFF. USE A VOLTMETER TO VERIFY FOR THE PRESENCE OF SUCH VOLTAGES. DO NOT SWITCH CIRCUIT BREAKERS TO ON UNTIL INSTRUCTED TO DO SO IN THE APPROPRIATE PROCEDURE.

Add a rectifier as described in the following procedure for a Helios Rectifier 100/48 or as in the Adding a Helios Rectifier 200I/48 or 200E/48 procedure, whichever is applicable.

40 Maintenance

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Liebert 6000 A, 3000, 4000, 1500 user manual 5.3Addition / Replacement Procedures, 5.3.1Addition or Replacement of a Rectifier