12
connector to HDR3. The illustration is given as a guide only - polarity in each component should be observed. Be
sure to follow all federal, state, and local codes as it pertains to emergency circuit raceways.
300. Maintenance
300.1 General Precautionary Guidelines
CAUTION:
To avoid possible equipment damage or personal injury, assume that there is AC voltage present inside
the LiteGear inverter cabinet when AC input power or DC battery voltage is present. The inverter is capable of
providing output voltage from the batteries even when there is no AC input line voltage. When AC input voltage is
present, the unit can provide output voltage even when the batteries are disconnected.
CAUTION:
AC and DC voltage will be present inside the unit until both the line AC and the batteries are disconnected.
CAUTION:
Do not touch components inside the unit. DC voltage is always present at the batteries and the battery
cables.
300.2 Final Shut Down Procedure
• Remove the unit’s cover.
• Disconnect the batteries.
• Turn off the service panel breaker providing the AC input to the LiteGear unit.
CAUTION:
Energy is stored in capacitors inside the unit. After disconnecting the unit from the AC supply, allow at
least 5 minutes for capacitors to discharge before attempting service procedures.
If the service technician does not need to access the inside of the unit, keep the unit's cover securely installed.
If the unit will be shut off for an extended period of time, recharge the batteries every 60 to 90 days.
CAUTION:
The batteries will be damaged and the warranty voided if the batteries are not routinely recharged.
NOTE:
To turn power back on, follow the “System Start-up Procedure” outlined in Section 105. Be sure to complete all
of the steps to assure the unit will operate properly.
300.3 Routine System Maintenance
The LiteGear inverter unit is designed to provide years of trouble-free operation. The manually-initiated cycles are
designed to ensure proper operation of the unit's batteries and inverter. The unit does require some routine attention
to assure peak performance. Dual-Lite recommends a Preventative Maintenance check be performed by a qualified
service technician at least every six months. The technician must observe important safety precautions while
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Fig. 201-1
YELLOW LED TO HDR7
GREEN LED TO HDR5
TEST SWITCH TO HDR3