Edwards-signaling B4U Analog Standard Detector Base Manual de usuario descargar pdf (Pagina 2)

2 / 4 P/N 3101074 • REV 05 • REB 25JAN13

Figure 2: Base installation option 2

1. 4 in. square electrical box

Adaptor bracket

3. B4U base assembly

4 Screws

5. Trim ring

6. Aligning arrows

Wiring

Wire in accordance with NFPA 72 or CAN/ULC-S524. Be sure

to observe the polarity of the terminals on the terminal block as

shown in the diagram.

Break the wire run at each terminal. Do not loop signaling

circuit field wires around terminals.

Caution: To avoid accidental damage to the panel, disconnect

all power before wiring the unit.

Note: If shielded cable is used, the following recommendations

apply:

• Shielded wire is required only in environments with very

high electrical noise.

• Use of shield connections must be continuous and must

be insulated from ground. Electrical tape is recommended

as a minimum to insulate the shield.

• For Class B wiring, all shields must be continuous and

insulated from ground, except at the originating panel.

Figure 3: Base wiring (option 2 installation shown)

1. From previous device or controller

Optional trim ring

Optional bracket

Maximum resistance per wire must not exceed 10 Ω

5. To next device

Terminal

Description

Terminal

Description

SLC in + and

SLC out (+)

Not used

SLC in −

Remote LED +

Not used

Remote LED −

and SLC out −

Specifications

Base diameter

Without trim ring

With trim ring

4.35 in. (110.49 mm)

6.0 in. (152 mm)

Height from box (including

detector)

2.08 in. (53 mm)

Maximum distance

Ceiling

Wall

Not less than 4 in. (100 mm) from the

sidewall

Between 4 and 12 in. (100 and

300 mm) from the ceiling

Wire size

12 to 18 AWG wire (0.75 to 2.5 mm²)

Compatible detectors

FX-PD, E-PD, FX-PHD, E-PHD,

FX-HD, E-HD, V-PS, V-PHS, V-

HRD,

and V-HFD

Compatible electrical boxes

4 × 4 in. octagonal ring (mud box)

1-7/8 in. (47 mm) deep single-gang

box

4 in. square x 2-1/2 in. (64 mm) deep

box (requires using the included

adaptor bracket and trim ring)

Operating environment

Temperature

Relative humidity

32 to 120°F (0 to 49°C)

0 to 93% noncondensing

Storage temperature range

−4 to 140°F (−20 to 60°C)

1 2 3 4

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