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FTS 609 

November 17,  1993

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4. Stand the Fortress on its feet again.
5. Slide the UPS cover back until it comes off.

Section 2: Removing the Batteries

The figures on the next page show the batteries and battery connections.  If the two battery
brackets in your Fortress are fastened together with two Phillips screws, use Figure 2.  If the
two battery brackets in your Fortress are attached together with a tab and slot, use Figure 3.

Figure 2

Summary of Contents for LI 660

Page 1: ... screws easier Before you go on to Section 1 read the important safety warnings on the next page Contents Index 1 Removing the Fortress Cover 2 2 Removing the Batteries 3 3 Replacing the Batteries 5 4 Replacing the Fortress Cover 6 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This publication contains important instructions that should be followed during battery replacement WARNING The ba...

Page 2: ...es never allow a cable to short across a battery s terminals or the string of batteries or to the UPS cabinet 4 Align the cables on the battery terminals so that the connector will not contact any part of the UPS cabinet even if the battery is moved Keep the cable away from any sharp metal edges 5 Install the battery cables so they cannot be pinched by the UPS cabinet Section 1 Removing the Fortre...

Page 3: ...ction 2 Removing the Batteries The figures on the next page show the batteries and battery connections If the two battery brackets in your Fortress are fastened together with two Phillips screws use Figure 2 If the two battery brackets in your Fortress are attached together with a tab and slot use Figure 3 Figure 2 ...

Page 4: ... UPS battery supplies power even if the UPS is not connected to its AC input source 8 Use the needle nose pliers to remove the short jumper cable connecting the batteries together see the figure that shows your UPS 9 Disconnect the positive red cable using the needle nose pliers see your figure for the cable s location Put a piece of black electrical tape over the end of the red cable so it cannot...

Page 5: ... until you can lift the bottom tabs of the L shaped bracket through the slots in the bottom of the unit Next grasp both batteries firmly Lift the batteries and brackets up about one inch Then carefully pull the and brackets toward yourself not upward to remove from the unit There is just enough space between the cabinet frame and the heatsink to pull the batteries Section 3 Replacing the Batteries...

Page 6: ...e you connect any battery cables make sure the On Off switch on the back of the unit is still off 13 Remove the tape from the red cable and use the needle nose pliers to reconnect the red cable to the terminal marked Red positive on the figure for your UPS 14 Reconnect the short jumper cable as shown in the figure for your UPS 15 Find the black negative cable attached to a gray cable 16 Next hold ...

Page 7: ...least 6 5 hours The battery charges automatically whenever the Line light is on 22 To finish the procedure follow these three steps Turn the Fortress On Off switch off to 0 Turn off the loads the equipment the Fortress protects and plug them into the UPS receptacles Turn the Fortress On Off switch on to 1 and switch on the equipment plugged into the UPS ...

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