Edwards 3-IDC8/4 Instructions de montage

3-IDC8/4 Traditional Zone I/O Module

Installation Sheet

Description

The 3-IDC8/4 Traditional Zone I/O Module provides eight

Class B traditional direct connect initiating device circuits

(IDCs) for compatible two-wire smoke detectors and dry

contact initiating devices. Four of the initiating device circuits

can be converted to Class B notification appliance circuits

(NACs). The four IDC/NAC circuits must be configured as

either an NAC or an IDC, never both.

Each IDC can be set for latching or nonlatching operation and

smoke verified or unverified operation using the software

definition utility.

Each pair of NAC circuits may be configured to provide

24 VDC from the internal chassis rail, 24 VDC from an external

power supply, or signals from an external source for

notification, audio, and telephone applications. NAC input

terminals are provided to supply the external signal source.

Installation

Install and wire the 3-IDC8/4 in accordance with applicable

national and local codes, ordinances, and regulations.

WARNING: Electrocution hazard. To avoid personal injury or

death from electrocution, remove all sources of power and

allow stored energy to discharge before installing or removing

equipment.

Caution: Equipment damage hazard. This product is sensitive

to electrostatic discharge (ESD). To avoid damage, follow

accepted ESD handling procedures

To install the 3-IDC8/4:

1. If circuits are configured as NACs, position jumpers at the

correct locations for an internal or external riser source.

See “Jumper settings” on page 2.

2. Install the module on the rail chassis, pressing the

mounting studs firmly into the mounting holes. See

Figure 1.

3. Connect field wiring. See “Wiring” on page 2.

Figure 1: Installing the 3-IDC8/4

(1) Mounting studs

IDC/NAC

+-+-

IDC/NAC

IDC

NACIN

1/2

5/6

RXTX

TB1

TB2

JP1 JP2

JP3JP4

(1)

2 / 4 P/N 270492-EN • REV 04 • ISS 10JUL14

Jumper settings

For circuits configured as NACs, the NAC pairs share a

common power/signal source. Two jumpers on the module

select the signal source for each NAC pair. See Figure 2 for

jumper pin numbers.

Notes

•Jumper positions must be set in parallel. Set jumpers in

both JP1 and JP2 the same. Set jumpers in both JP3 and

JP4 the same.

•Jumpers have no effect when the IDC/NAC circuits are

configured as IDC circuits.

Table 1: Jumper settings for circuit power/signal source

Circuits

External [1]

Internal 24 VDC [2]

IDC/NAC1 and 2

JP1 to 1 and 2

JP2 to 1 and 2

JP1 to 2 and 3

JP2 to 2 and 3

IDC/NAC5 and 6

JP3 to 2 and 3

JP4 to 2 and 3

JP3 to 1 and 2

JP4 to 1 and 2

[1] Supplied via NAC IN terminals.

[2] See total current limit in “Specifications” on page 3.

Wiring

Connect field wiring as shown in Figure 2.

•Wiring is supervised and power-limited.

•Maintain 0.25 in. (6 mm) separation between power-

limited and nonpower-limited wiring at all times. Route the

power-limited wiring through the notches at the right front

of the chassis. Secure the wiring to the cabinet using

nylon cable ties.

•If shielded cable is used, it must be continuous, free from

earth ground, and must only be connected to the ground

terminal on the source of the riser.

•Dedicated initiating device circuits (Class B, Style B):

IDC3, IDC4, IDC7, IDC8.

•Circuits configurable as IDC or NAC (Class B, Style Y):

IDC/NAC1, IDC/NAC2, IDC/NAC5, IDC/NAC6.

•Synchronized operation of Genesis strobes requires a

separately installed synchronization device. See the

control panel or power supply compatibility list for

compatible synchronization devices.

•For a list of 3-IDC8/4 compatible devices, see the EST3

Compatibility List (P/N 3100427-EN) and EST3X

Compatibility List (P/N 3101801-EN).

Figure 2: Wiring the 3-IDC8/4

Legend

(1) IDC/NAC1 configured as an IDC circuit (use a UL/ULC Listed

4.7 kΩ EOLR)

(2) Jumper JP1 and JP2 (NAC1 and 2)

(3) Jumper JP3 and JP4 (NAC5 and 6)

(4) From external source

(5) IDC/NAC5 configured as an NAC circuit (use a UL/ULC Listed

15 kΩ EOLR)

Note: Signal polarity is shown in supervisory mode. For an NAC, the

polarity reverses when the circuit is active.

IDC/NAC

IDC

NAC IN

1/2

IDC/NAC

IDC

NAC IN

5/6

TX RX

15 k

EOLR

4.7 kΩ

EOLR

−

(1)

(5)

(4)

(2)

(3)

JP4

JP2

JP3

JP1

TB2

TB1

P/N 270492-EN • REV 04 • ISS 10JUL14 3 / 4

Specifications

Quantity

8 circuits total:

4 dedicated IDCs

4 configurable as IDCs or NACs

Voltage

24 VDC

Current [1]

Standby

Alarm

48 mA at 24 VDC

408 mA at 24 VDC

Initiating device circuit

Wiring configuration

Voltage

Short circuit current

Circuit resistance

Capacitance

EOLR

Compatible detectors

Class B (Style B)

16.23 to 25.4 VDC max., ripple 400 mV

75.9 mA max.

50 Ω max.

100 µF max.

4.7 kΩ (UL/ULC Listed)

Refer to EST3 Compatibility List

(P/N 3100427-EN) and

EST3X Compatibility

List (P/N 3101801-EN)

Notification appliance circuit

Wiring configuration

Output voltage

Output current

Special application

Regulated

Power

EOLR

Class B (Style Y)

24 VDC nom., 70 VRMS max.

3.5 A at 24 VDC tot., each NAC

3.5 A at 24 VDC tot., NAC pair [2]

7.0 A at 24 VDC tot. for all NACs when the

chassis rail is used as the 24 VDC source

1 A at 24 VDC total for NAC pair (requires

5 A peak) [3]

3 V maximum line loss

60 W at 25 VRMS

100 W at 70 VRMS

15 kΩ (UL/ULC Listed)

Wire size

12 to 18 AWG (1.0 to 4.0 mm²)

Installation

One space on the rail chassis

Operating environment

Temperature

Relative humidity

32 to 120°F (0 to 49°C)

0 to 93% noncondensing

[1] Does not include a control

-display module on the NAC.

[2] When NAC pairs (NAC1 and 2 or NAC5 and 6) are configured for

internal 24 VDC source (see Table 1 on page 2).

[

3] One 3-PPS primary power supply can support one regulated NAC

pair, at 1 A total for EST3 systems only.

Regulatory information

North American

standards

UL 864, ULC-S527

PR certificates Refer to the European Marketplace Manual.

EN 54

EN 54-2, EN 54-4, EN 54-16

EU compliance

FCC compliance

This device complies with part 15 of the FCC

Rules. Operation is subject to the following two

conditions: (1) This device may not cause harmful

interference, and (2) this device must accept any

interference received, including interference that

may cause undesired operation.

Environmental

class

UL: Indoor dry

IEC: 3K5

2002/96/EC (WEEE directive): Products marked

with this symbol cannot be disposed of as

unsorted municipal waste in the

European Union.

For proper recycling, return this product to your

local supplier upon the purchase of equivalent

new equipment, or dispose of it at designated

collection points. For more information see:

www.recyclethis.info.

Contact information

For contact information, see www.edwardsutcfs.com.

4 / 4 P/N 270492-EN • REV 04 • ISS 10JUL14

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