Micro
ARE-M Series 24V Chargers, Single Phase
Maintenance
PM990-1070-24, Issue 12
6-1
6.0 MAINTENANCE
This chapter provides preventive maintenance procedures and troubleshooting procedures.
Cabinet assembly drawings, schematics, and parts lists for all standard charger models are
included in this chapter.
Refer to the replacement parts lists in Table 6-2 when ordering on-hand spare parts and service
replacement parts.
WARNING
Electrical shock hazard
Hazardous voltage can cause death or serious injury.
Remove AC input power before servicing.
Always use insulated tools.
Disconnect battery string before servicing. Battery
voltage is on the Interface Board whenever a battery
string is connected.
AVERTISSEMENT
Risque de choc électrique
Les tensions dangereuses peuvent causer la mort ou
des blessures graves.
Coupez l'alimentation de tous les fils et les bornes
avant de travailler sur les équipements.
Toujours utiliser des outils isolés.
Débranchez la batterie avant l'entretien. La tension de
la batterie se retrouve sur la carte d'interface quand la
batterie est branchée.
WARNING
Arcing hazard
Arcing can cause equipment damage, load
interruptions, and personal injury.
Remove watch and jewelry. Use insulated tools and
extreme caution when working with a battery string.
Disconnect the battery string before servicing.
Carefully insulate unterminated battery cable ends.
Discharge filter capacitors before servicing. See
Figure 6-1.
AVERTISSEMENT
Risque d'arc
Un arc électrique peut causer des dommages sur les
équipements, des interruptions de charge, et des
blessures.
Retirez vos montres et bijoux utilisés des outils isolés
et une prudence extrême lorsque vous travaillez avec
des batteries.
Débranchez la batterie avant l'entretien. Isoler les
extrémités des câbles de batterie.
Décharger les condensateurs avant l'entretien. Voir la
figure 6-1.
VOLTAGE CHANGES
6.1
Input voltage settings on multiple input voltage units may be changed in the field. To changes the voltage,
change the jumpers on the terminal blocks as indicated on the wirings diagram for the model. For models with
a column for CB1 ratings with the jumper settings, the input circuit breaker, CB1, must be changed if the
breaker rating does not match the breaker in the unit. It the model does not have a CB1 rating column, the
circuit breaker does not need to be changed. The parts list will allow you to identify a needed circuit
breaker. Circuit breakers may be ordered through your UNIPOWER representative. For assistance in finding
your UNIPOWER representative, contact Customer Service. For technical assistance in making an input
voltage setting change, contact Field Service.
PREVENTIVE
6.2
1.
Ensure that a generous supply of cool, dry air is free to circulate through the charger. See Chapter 2
Installation.
2.
Clean the equipment. Dust and dirt impeded heat dissipation. Blow out the charger with low-pressure dry
air to remove accumulated dust, dirt and any other contaminants.
