Edwards Signaling ZG4RB - Manual (Page 2)

2 / 2 28JAN05 P/N: 3100272 REV: 3.0
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.
S
S
PKR
S+ C S-
S
S
PKR
S+ C S-
To next
device or end
of line device
+ +
To listed fire
alarm control
panel
Input voltage matching the voltage rating of
the speaker (25 or 70 Vrms)
Figure 1: Wiring diagram
Bottom View
2 1 1/
2
1/
4
Wattage switch
Indicator notch
Figure 2: Wattage switch
Grounding
plate
Surface mount box
Standard electrical 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.
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.