P81897 L
Sheet 2 of 3
NOTE:
The Telbells are not polarity sensitive. They will function even though the polarity is reversed.
e.
Reconnect red and black wires to pins marked red and black respectively on the PC Board.
f.
Mount the bell housing to the backbox, with the four screws.
g.
Mount bell shell to housing and secure with center bolt. Be sure shell is properly aligned with housing.
NOTE:
Pin hole in bell shell must be aligned with guide pin on bell housing.
h.
Plug the bushing into the phone jack opening of the backbox.
i.
Test by having someone ring your telephone to make sure the signal functions properly.
NOTE:
-The factory volume control setting is at maximum. Adjust volume as required. For tamper resistant volume setting,
remove volume control shaft by pulling straight out.
- At low input voltages, and low volume settings, the volume control may have to be adjusted to obtain the desired sound
output.
NOTE:
The Telbell does not eliminate existing telephone ringers. Such ringers can be disconnected when Telbell is installed.
CAUTION:
These devices are not intended for use in hazardous locations as defined by the National Electrical Code (NEC) and
by the National Fire Protection Association (NFPA). Contact Wheelock Inc. for information on explosion-proof devices designed for
hazardous locations
.
Table 1: Performance Specifications
Model Number
TB-591
TB-592
Nominal Input Voltage
48VDC
24VDC/AC
Input Voltage Range
38-60VDC
18-30VDC/AC
Input Current at Nominal Input Voltage
25mA
25mADC/30mAAC
Sound Pressure Level Min/Max Volume
95/100dB at 1 Meter
Minimum "ON" Cycle
0.5 Seconds
Minimum "OFF" Cycle
0.5 Seconds
Shell Size
6" Aluminum
DC Impedance
Virtually Infinite (Blocking Capacitor)
Input Jack
USOC RJ11C (PIN 2 - Black; PIN 5 - Yellow)
BELL SHELL
BELL
HOUSING
MOUNTING
BOLT
(2) 1/2" CONDUIT
KNOCKOUTS
BACKBOX
ALIGN PIN HOLE WITH GUIDE PIN
OBSERVE "TOP" MARKING
T O
P
GUIDE PIN
TO TELEPHONE SYSTEM
25 FT MODULAR
LOUD
SOFT
VOLUME
BUSHING
EXTRA ALERT CARTRIDGE
OR SERVICE MODULE,
OR SUPPLEMENTARY ALERT
ADAPTER, AS APPLICABLE.
LINE CORD
(PROVIDED)
Figure 1: Removal of Bell Shell
Figure 2: Modular Connection
BELL SHELL
BELL
HOUSING
MOUNTING
BOLT
(2) 1/2" CONDUIT
KNOCKOUTS
BACKBOX
ALIGN PIN HOLE WITH GUIDE PIN
PC BOARD
(2) SCREWS
TO
P
OBSERVE "TOP" MARKING
GUIDE PIN
TB1
PC BOARD
FOR CONDUIT
ENTRANCE ONLY
VOLUME CONTROL
BUSHING
BASE (SHOWN WITH BELL
HOUSING REMOVED)
(2) KNOCKOUTS FOR
1/2" CONDUIT &
MATCHING CONNECTOR
T R
FOR CONDUIT
FOR WIRE ENTRANCE ONLY
Figure 3: Removal of Bell Shell and Housing
Figure 4: Hard Wire Diagram
