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TIP 755

January 20, 1997

Replacing the Batteries in FERRUPS

FE and QFE 10, 12.5, and 18 KVA

This Technical Information Publication (TIP) describes the procedure for replacing the batteries in FERRUPS FE and QFE

10, 12.5, and 18 KVA units. A qualified service person familiar with the FERRUPS unit must install the batteries. If you

encounter any problems during this procedure, call Best Power Worldwide Service at 1-800-356-5737 (U.S. and Canada only),

1-608-565-2100, or call your local Best Power office.

Tools Needed — Use Insulated Tools:

Phillips Screwdriver Torque Wrench Petroleum Jelly or Battery Terminal Spray

True RMS Voltmeter Electrical Tape 3/8- and 7/16-inch Open-end Wrenches

Standard Screwdriver Safety Equipment Required by Local Codes

CAUTION!

This procedure must be performed by qualified service personnel ONLY! FERRUPS units are designed to provide power

under a variety of operating conditions. Dangerous voltages may be present even if AC line or DC voltage is removed.

TEST BEFORE TOUCHING!

Turn off the FERRUPS according to the procedure describing “How (and When) to Shut Down Your FERRUPS” in the

FERRUPS User Manual (Section 308). Make sure that the FERRUPS batteries and the AC input are off or disconnected

before you replace the batteries.

This unit contains electrostatic-sensitive devices. If you do not follow proper ESD procedures, you may cause

severe damage to the electrical circuitry.

FERRUPS batteries are high current sources. Shorting battery terminals can cause severe arcing, equipment damage,

and injury. A short circuit can cause a battery to explode.

Best Power recomments the following for qualified service personnel servicing the FERRUPS unit:

A) Remove rings, watches, and other jewelry before servicing the FERRUPS unit.

B) Always wear protective clothing and eye protection and use insulated tools when working near batteries.

C) Whenever servicing an energized unit with the doors open, electric shock is possible; follow all local safety

codes.

Section 100: Removing the Battery Cabinet Covers ...................................................... 3

Section 200: Before Installing the Batteries ............................................................ 3

Section 300: Removing the Batteries ................................................................. 4

Section 400: Replacing the Batteries ................................................................. 4

Section 500: Testing the New Batteries ............................................................... 5

Section 600: Putting the Covers Back on the UPS and the Battery Cabinet(s) ................................. 6

LPT-0755B

1 2 3 4 5 6

CAUTION! 1
Figure 5 6

Indice de contenidos

Pagina 1 - CAUTION!

TIP 75524January 20, 1997Replacing the Batteries in FERRUPSFE and QFE 10, 12.5, and 18 KVAThis Technical Information Publication (TIP) describes the p

Pagina 2

TIP 755 January 20, 1997 2RESTRICTEDIMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS CAUTION!Full voltage and current are always present at

Pagina 3

screwsscrewsRemove these Loosen these Turn DCswitch “off”3 January 20, 1997 TIP 755RESTRICTED Figure 1Section 100: Removing the Battery Cabinet

Pagina 4

TIP 755 January 20, 1997 4RESTRICTED202. Do You Need to Remove Ground from the Battery Terminal?If your local or national code requires you to ground

Pagina 5

DC FUSEDC FUSE5 January 20, 1997 TIP 755RESTRICTEDFigure 2 For units with an amp-hour rating greater than 33Figure 4Figure 3 For units with an a

Pagina 6 - Figure 5

front panelLock forscrewsRemove these Loosen these screwsTIP 755 January 20, 1997 6RESTRICTED Figure 5502. Make sure the UPS is off. Make sure the u

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