Edwards Signaling ZG4RB User Manual

Product information

Genesis Speaker

Table 1: Models

Description Model number

The Genesis Speaker is an audible fire alarm notification
appliance designed for indoor walls. See Table 1 for a list of
model numbers.

The speaker includes a field configurable switch for selecting
the desired wattage tap. The wattage tap setting remains
visible after final installation.

Install this device in accordance with applicable requirements
in the latest editions of the NFPA codes and standards;
Canadian Electrical Code, Part 1, Section 32; and in
accordance with the local authorities having jurisdiction.

These instructions apply to the following model numbers:

Table 1: Models

Description Model number

Speaker,
25 Vrms, white

Speaker,
25 Vrms, white, with
FIRE marking

Speaker,
70 Vrms, white

Speaker,
70 Vrms, white, with
FIRE marking

Surface mount box,
white

ADTG4-S2 MG4-S2
EG4-S2 XLSG4-S2
G4-S2 ZG4-S2
G4-S2-LG

ADTG4F-S2 MG4F-S2
EG4F-S2 XLSG4F-S2
G4F-S2 ZG4F-S2
G4F-S2-LG

ADTG4-S7 MG4-S7
EG4-S7 XLSG4-S7
G4-S7 ZG4-S7
G4-S7-LG

ADTG4F-S7 MG4F-S7
EG4F-S7 XLSG4F-S7
G4F-S7 ZG4F-S7
G4F-S7-LG

ADTG4B MG4B
EG4B XLSG4B
G4B ZG4B
G4B-LG

Surface mount box,
red

ADTG4RB MG4RB
EG4RB XLSG4RB
G4RB ZG4RB
G4RB-LG

Specifications

Operating voltage: 25 Vrms (model S2), 70 Vrms (model S7)
Supervisory voltage: 30 V maximum
Sound level output: See Table 2
Speaker response: 400 to 4,000 Hz
Wire size: 12 to 18 AWG (2.50 to 0.75 sq mm)
Compatible electrical boxes

North American 4 in square electrical box, 2-1/8 in deep
(UL/ULC listed flush mounted with no extension ring)
Surface mount box: See Table 1

Operating environment

Temperature: 32 to 120 °F (0 to 49 °C)

Humidity: 0 to 93% RH, noncondensing at 90 °F (32 °C)
Intended installation environment: Indoor dry
Agency listings: Meets ULC-S541 and UL 1480 fifth edition

Table 2: Sound level output (dBA)

Wattage Output

1/4 W 80

1/2 W 83

1 W 86

2 W 89

dBA = Decibels, A-weighted
UL 1480: Sound level output at 10 ft (3.05 m) measured in a

reverberant room using 400 to 4,000 Hz band limited pink
noise.

ULC-S541: Meets or exceeds 85 dBA in an anechoic chamber
at 10 ft (3.05 m).

Directional characteristics: Within 6 dB of on-axis sound level
when measured 90° off-axis (horizontal).

Installation instructions

Caution: Electrical supervision requires the wire run to be

broken at each terminal. Do not loop the signaling circuit field
wires around the terminals.

To install the speaker:

1. Remove the cover by depressing the tabs on top of the

unit by inserting a small screwdriver from the top and

twisting slightly.

2. Connect wires as shown. Strobe terminals S+ and S- are

not used for speaker only devices. See the Figure 1.

Installation Sheet 28JAN05 P/N: 3100272 REV: 3.0
Genesis Speaker 1 / 2

3. Slide the wattage switch to the desired wattage tap (2 W,
1 W, 1/2 W, or 1/4 W) by aligning it with the indicator notch
below the switch. See Figure 2.

4. Mount the unit onto a compatible electrical box. See
Figure 3.

5. Replace the cover by aligning it at the bottom and
snapping it in at the top.

6. Test the unit for proper operation.

Input voltage matching the voltage rating of
the speaker (25 or 70 Vrms)

++

To listed fire

alarm control

panel

SPKRS+C

S-

SPKRS+C

device or end
of line device

S-

To next

Maintenance

This unit is not serviceable or repairable. Should the unit fail to
operate, contact the supplier for replacement.

Perform a visual inspection and an operational test twice a
year or as directed by the local authority having jurisdiction.

S

Figure 1: Wiring diagram

Bottom View

Figure 2: Wattage switch

Grounding
plate

S

Wattage switch

Indicator notch

Standard electrical box

2

1

1/2

1/4

Surface mount box

Figure 3: Mounting diagram

Caution: With surface mount box, do not install conduit into
back center knockout. Only install conduit into knockouts with
grounding plate. Verify that the grounding plate provides
continuity with conduit.

2 / 2 28JAN05 P/N: 3100272 REV: 3.0