2019_01_Telcom_UPS.pdf

48 Progress Parkway St. Louis, MO 63043 (314) 205-0200 Fax (314) 205-0202 www.eps-stl.com

SUMMARY SHEET

Date: 1/24/19

DITCO/Bick Group 2300 East Drive.

Scott AFB, IL 62225

System: Nortel Helios 600, 18 kva load Battery Type: 10 –(4) Enersys 12HX505-FR Date Code: 03/12

Maintenance Type: Semi Annual PM Contact: Eric Sullivan

No leaking, venting or corrosion detected.

All connections are clean and tight.

Room is clean and well ventilated.

Ripple volts: 0 mv Ripple Current: 0 amps DC Current: .2 amps Temperature: 71 - 75 F

CONCERNS:

Unit #2 in string #2 has failed. All battery strings need to be replaced, due to age and condition.

ACTIONS:

All battery strings should be replaced.

String 1

Model Number: Enersys 12HX505-FR Location Name: Scott AFB, IL

Install Date: 03/01/2012 String Name:

Battery Name: Nortel Switch

Readings taken on Cell/Jar Voltage Internal Res.

01/24/2019 O.V. = 54.0

1--1 13.495 4386 1--2 13.622 3471 1--3 13.387 2830 1--4 13.522 4048 2--1 14.093 5017 2--2 11.778 11832 2--3 14.039 4610 2--4 14.120 5027 3--1 13.472 3795 3--2 13.429 4354 3--3 13.513 4096 3--4 13.589 3720 4--1 13.476 4366 4--2 13.516 4033 4--3 13.536 3993 4--4 13.466 3622 5--1 13.393 4069 5--2 13.490 3708 5--3 13.614 4075 5--4 13.497 3773 6--1 13.708 5210 6--2 13.399 6033 6--3 13.569 5654 6--4 13.318 5187 7--1 13.577 3842 7--2 13.505 3580 7--3 13.540 3676 7--4 13.388 3337 8--1 13.525 3754 8--2 13.517 4286 8--3 13.566 3680 8--4 13.403 3836 9--1 13.536 4021 9--2 13.390 4561 9--3 13.542 4427 9--4 13.560 3640

Summary: High Avg Low

13.622 4386

13.507 3684

13.387 2830

01/28/2019 3:47:08 PMThis report was generated on: 1Page

Model Number: Enersys 12HX505-FR

Location Name: Scott AFB, IL Install Date: 03/01/2012

String Name:

Battery Name: Nortel Switch

General Comments:

Manufacturers reference internal resistance value for a 12HX505-FR battery is 3300 micro ohms.

01/28/2019 3:47:08 PMThis report was generated on: 2Page