Digital Monitoring Products XR550 Instalační příručka stáhnout pdf (Strana 13)

XR150/XR350/XR550 Series Installation Guide Digital Monitoring Products

InstallatIon

Secondary Power Supply

6.1 Battery Terminals 3 and 4

Connect the black battery lead to the negative

battery terminal. The negative terminal connects to

the enclosure ground internally through the XR150/

XR350/XR550 Series circuit board. Connect the

red battery lead to the battery positive terminal.

Observe polarity when connecting the battery.

You can add a second battery in parallel using the

DMP Model 318 Dual Battery Harness.

DMP requires each battery be separated by a PTC

in the battery harness wiring to protect each

battery from a reversal or short within the circuit.

See Figure 6.

Use sealed lead-acid batteries only: Use

the DMP Model 364 (12 Vdc 1.3Ah), Model

365 (12 Vdc 9 Ah), Model 366 (12 Vdc 18

Ah), Model 368 (12 Vdc 5.0 Ah), or Model 369 (12 Vdc 7 Ah) sealed lead-acid rechargeable battery.

Batteries supplied by DMP have been tested to ensure proper charging with DMP products.

GEL CELL BATTERIES CANNOT BE USED WITH THE XR150/XR350/XR550 SERIES PANEL.

6.2 Earth Ground (GND)

To provide proper transient suppression, XR150/XR350/XR550 Series panel terminal 4 must be connected to earth

ground using

14 gauge or larger wire. DMP recommends connecting to a cold water pipe, ground rod, or building ground only. Do

not connect to an electrical ground or conduit, sprinkler or gas pipes, or to a telephone company ground.

6.3 Battery Only Restart

When powering up the XR150/XR350/XR550 Series panel without AC power, briey short across the battery start pads

to pull in the battery cutoff relay. The leads need a momentary short only. Once the relay has pulled in, the battery

voltage holds it in that condition. If the XR150/XR350/XR550 Series panel is powered up with an AC transformer, the

battery cutoff relay is pulled in automatically. For more information refer to Figure 1.

6.4 Battery Replacement Period

DMP recommends replacing the battery every 3 to 5 years under normal use.

6.5 Discharge/Recharge

The XR150/XR350/XR550 Series battery charging circuit oat charges at 13.8 Vdc at a maximum current of 1.0 Amps

using a 50 VA or 56 VA transformer. Listed below are the various battery voltage level conditions:

Battery Trouble: Below 11.9 Vdc

Battery Cutoff: Below 10.2 Vdc

Battery Restored: Above 12.6 Vdc

6.6 Battery Supervision

The XR150/XR350/XR550 Series tests the battery when AC power is present. The test is done every three minutes

and lasts for ve seconds. During the test, the panel places a load on the battery; if the battery voltage falls below

11.9 Vdc a low battery is detected. If AC power is not present, a low battery is detected any time the battery

voltage falls below 11.9 Vdc.

If a low battery is detected with AC power present, the test repeats every two minutes until the battery charges

above 12.6 Vdc indicating the battery has restored voltage. If a weak battery is replaced with a fully charged

battery, the restored battery will not be detected until the next two minute test is completed.

6.7 Battery Cutoff

The panel disconnects the battery any time the battery voltage drops below 10.2 Vdc. This prevents battery deep

discharge damage.

1234

+BAC –B

Battery

Start

318 Battery

Harness

Panel Red and

Black Battery Cables

Red

Black

Battery

318 Battery

Harness

Red

Black

BELL GND

To AC

14 AWG to

Earth Ground

XR550

Panel

PTC

To Bell

Circuit

Figure 6: Wiring Multiple Batteries

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 25 26

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