BATTERY CHARGER USER’S MANUAL                                                                                                                       PART-1:INSTALLATION 
 
MCEnPC23-REV.2.4      Page 2 
 
1. INTRODUCTION 
 
This user manual contains important technical instructions to be followed by qualified personnel responsible for the installation, 
start-up, maintenance operations and knowledgeable on batteries and safety requirements/precautions involved.  We recommend 
this manual to be read attentively to ensure safe and reliable operation of this equipment. 
Should you require any assistance, please call our service department. 
 
2. IMPORTANT SAFETY INSTRUCTIONS 
 
Keep these instructions in a safe place: this manual contains important safety and operating instructions 
AC and DC currents are present in this system even with indicators and breakers are in “OFF” position. 
Before performing any maintenance on this system, make sure that the battery and the AC power are disconnected.   
 
  Only experienced and qualified personnel must perform maintenance. 
  Electrostatic sensitive components are used in this equipment. Proper ESD (electrostatic discharge) procedures must be 
followed to prevent any severe damage to electronic components. 
  Working in the vicinity of Lead Acid or Nickel Cadmium batteries is dangerous: batteries generate explosive gases 
during normal operation. Therefore, never smoke or allow an open spark or flame in the vicinity of the battery or 
engine. 
  To reduce risk of battery explosion, follow these instructions and those on the battery. 
  Never charge a frozen battery. 
  Do not expose charger/rectifier to rain or snow unless it has the appropriate NEMA/IP rating. 
  Do not install or operate chargers if they have been dropped or damaged. 
  Refer to your local/national electrical code for installation 
 
3. STORAGE / MAINTENANCE DURING STORAGE 
 
If the charger/rectifier has to be stored before commissioning, it should be stored in a dry place, in the ambient  temperature 
within –40
o
F to 185
o
F (-40
o
C to 85
o
C), not exposed to direct sunlight, on the same pallet, protected against moisture, dust, dirt 
and damage. Do not use the charger/rectifier as a stocking shelf. 
Remember that storing the charger/rectifier for a long period (5 years or more
) can deteriorate performance of the filter 
capacitors and can cause also contact oxidation for relays, breakers, contactors… Filter capacitors shall be replaced after storing 
the charger/rectifier 5 years or more. 
Please contact the manufacturer for capacitor specifications and installation. 
 
Warning 
 
For batteries and other accessories (UPS…), please refer to the specific manufacturer indications for battery periodical 
recharge and powering up procedure after storage. 
 
 
4. PLACEMENT AND INSTALLATION 
 
FOR INSTALLATION, PLEASE REFER TO NATIONAL AND/OR LOCAL ELECTRICAL CODES. 
Chargers/rectifiers are very heavy. To prevent personal injury or equipment damage, use appropriate lifting devices and execute 
extreme care while handling the equipment.  
 
The following instructions are very important to satisfactory operation. Changing the settings voids the warranty.