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Digital Monitoring Products XTL/XTLC Installation Guide

InstallatIon

Secondary Power Supply

6.1 Standby Battery

TheXTL/XTLCrechargeablebatteryisusedtoprovidebackupbatterypowerwhenDCpowerisnot

available.Thebatteryisintendedforbackuppoweronlyandnottooperatethepanelonadailybasis.If

thebatteryislow,ornotpluggedintotheJ1batteryconnector,alowbatteryconditionisindicatedbythe

panel.

Note:Ifremovingthepanelfromservice,disconnectthebackupbatteryfromthepanelconnector.

6.2 Replacement

Usethefollowingstepstoreplacethepanelstandbybattery.DMPrecommendsreplacingthebatteryevery3

years under normal use.

1.Unplugthebatteryconnector(J1)fromthepanel.

2.Ifinstalled,removethe2screwsfromthePCB.

3.LoosenthetopPCBsnaps.

4.LeanthepanelPCBforwardandliftoutfromthebottomPCBsnaps.

5. Remove and properly dispose of the used battery.

Caution:Riskofre,explosion,andburns.Donotdisassemble,heatabove212°F(100°C),

or incinerate. Properly dispose of used batteries.

6. Place the new battery into the housing base with the battery wires directed toward the bottom

rightcorner.SeeFigure2.

7.SetthePCBintothebottomsnapsandpressintothetopsnapstosecureinplace.

8.Plugthebatteryintothepanelconnector(J1).

6.3 Battery Supervision

ThepanelteststhebatteryonceeveryhourwhenDCpowerispresent.Thistestoccurs15minutespast

eachhourandlastsforveseconds.Aloadisplacedonthebatteryandifthebatteryvoltageislow,alow

batteryisdetected.IfDCpowerhasfailed,alowbatteryisdetectedanytimethebatteryvoltagefalls

below3.7V.

RESET

LOAD

BAT

PROG

RED

PWR

MODEL XTL

TX RF RX

PCB Screw Locations

Top PCB Snaps

Bottom PCB Snaps

Battery

connector

3.7V

Rechargeable

Battery

Figure 4: Standby Battery ReplacementFigure 3: PCB Screw Locations

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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