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D7212GV2 | Operation and Installation Guide | 4.0 Installation

16 Bosch Security Systems, Inc. | 2/07 | F01U003805-02

4.5.3 Enabling Ground Fault Detection

To enable the Ground Fault Detect Enable feature:

1. Lock (close) the S4 Ground Fault Detect Pin on the

control panel (Figure 4).

If your control panel has Version 7.02

firmware or earlier, you must do Step 2.

2. Program the Area 5 Silent Alarm Relay to a non-

zero value (1 to 128).

In remote programming software (RPS), the Area 5

Silent Alarm Relay is located in RELAY

PARAMETERS, Area Wide Relays, and Silent

Alarm Area 5 (Figure 5).

Figure 4: Ground Fault Detect (S4)

EARTH GROUND

COMM ON

RELAY A

RELAY B

RELAY C

+ AUX POWER

CLASS 2 TR ANSFORMER

16.5 VAC 40 VA 60 Hz

Model D1640

Internally Fused - Do not short

Requires Unswitched Outlet

Do not share with other equipment

GROUND FAULT DETECT

Enabled

Disabled

Digital Alarm Communicator Transmitter

D7212GV2 Control Panel is UL Listed for Household Fire Alarm, and Central Station, Local,

Pol ice Stati on Conn ect, House hold Bu rglar Al arm and En crypted Line Se curity w hen

com municati ng via a net work.

System is Intended To Be Checked By A Qualified Technician At Least Every 3 Years.

The types of initiating circuits for which the control panel has been approved are A, M, W, SS.

VOLTAGE RANGES

Open 3.7 - 5.0 VDC

Normal 2.0 - 3.0 VDC

Short 0.0 - 1.3 VDC

Reset Pin

Disable All Except Battery

Charging And Programming

PERIPHERAL DEVICE CONNECTIONS

RED POWER +

YELLOW DATA BUS A

GR EEN D ATA BUS B

BLACK COMM ON

ZON EX OU T 1

ZONEX IN 1

N.F.P.A.

Style 4.0

Signali ng

Line

Circuits

F01U003800-01

1211 13

Point 1

Poi nt 2

1514 16

Point 3

Poi nt 4

1817 19

Poi nt 5

Point 6

2120 22

Poi nt 7

Point 8

LEDs Off When Normal

Charging Status

Low Battery - 12.1 VDC

YEL

RED

10.2 VDC - Battery Load Shed

This equipment should be installed in accordance with the NFPA 70 (National Electrical Code)

and NFPA 72 (National Fire Alarm Code) for Local, Central Station, Remote Station, Proprietary and

Household Fire Warning Systems and under the limits of the Local Authority Having Jurisdiction

(National Fire Protection Association, Battermarch Park, Quincy, MA 02269). Printed information

describing proper installation, operation, testing, maintenance, evacuation planning and repair

service is to be provided with this equipment.

D7212GV2

NOT USED

ZONEX POW ER +

ZONEX COMMON

SDI Connector

Refer to

D7212GV2 Approved Applications Compliance Guide

(P/N: F01U003806)

For System Wiring Diagram, Issue A and for Compatible Smoke Detectors

BATTERY NEGATIVE ONLY

BATTERY POSITIVE ONLY

CAUTION:

Avoid damage to Panel.

Do not connect 24 V to terminals.

Maximum charging current 1.4 A

PHONE

LED

RED

ON when

communicating

OFF when idle

PHONE LINE SEIZED

TIP

RING

TELCO CORD

MODEL D161

CAUTION:

Ref er to

D7212GV2 Operation and Installation Guide

POWER SUPPLY REQUIREMENTS

The Power Supply provides a maximum of 1.4 Amps for the Control Panel and al l

Accessory Devices. For System Loading, refer to

D7212GV2 Operation and

Installation Guide

(P/N: F01U003805).

All external connections except Terminal 5 (battery positive) are inherently power

limited. Requirements for battery standby time might reduce allowable output.

(P/N: F01U003805) for Power Requirements relating to Terminals 6 and 7 .

WARNING!

Multi-B attery ins tallation requires

Model D122/D122L Dual Battery

Harness. Improper installation can

be a fire hazard.

Battery: Replace every 3 to

5 years with one or two Model

D126 or D1218 12V Lead Acid

Batteries.

GRN

Point 8

S3 Option

Closed = 1K

EOL

Normal Operation

Open =AB- 12 UL

Bell Box 220 K

D5200/D5360

PROG CONN

Incorrect wiring will

damage this equipment.

Suitable for dry indoor

use o nly.

Devices powered by the

AUX power output must

be supervised.

Minimum system requirements for Classification in accordance with ANSI/SIA CP-01-2000:

UL Listed and Classified control unit Model D9412GV2, D7412GV2, or D7212GV2;

UL Listed and Classified keypad Model D1256, D1257, D1260, D1255, D1255R, or D1255RW;

UL Listed Local Bell

PROGRAMMABLE

ALARM OUTPUTS

Term inals

SWITCHED AUX

and

Te r mi na l

Reset Pin

Disable All Except Battery

Charging And Programming

PROG

CONN

1 - Locked (Closed) 2 - Unlocked (Open)

Figure 5: Area 5 Silent Alarm Relay in RPS

4.5.4 D7212GV2 Ground Fault Specifications

Table 6 provides the impedance specifications for

detecting ground faults when any terminal or field

wiring is shorted to ground.

Table 6: Ground Fault Impedance

Specifications

Impedance Control Panel Detects Ground Fault

≤ 300 Ω

Yes

300 Ω to

200 kΩ

Detection depends upon the terminal

≥ 200 kΩ

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 59 60

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Bosch D7212GV2 Guía de instalación Pagina 16

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