Preamplifier. Expanded systems can have up to 150 Speaker Amplifiers connected to each zone, by installing a Wheelock PRM-150 preamplifier in
each zone's output. The PRM-150 is used for one-way paging zones only.
NOTES
1.
The ZC-3 Zone Control Module is designed for indoor use.
2.
The ZC-3 is designed for use with touch-tone (DTMF) systems only.
FIGURE 1.
TYPICAL APPLICATION DIAGRAM
POWER SUPPLY REQUIREMENTS
The ZC-3 requires:
1.
"A" Battery - 18 to 28VDC filtered talk battery.
2.
"B" Battery - 20 to 28V peak unfiltered relay battery.
The Wheelock RPS-2406 Power Supply is regulated and filtered ("A" Battery). One RPS-2406 can provide the ZC-3 "A" and "B" battery requirements.
Parameter
Minimum
Nominal
Maximum
Units
Supply
Voltage
-20 -24 -28 VDC
Idle
"A"
Battery
0 mA
Current
"B"
Battery
25 mA
Operating "A"
Battery
60 mA
Current
"B"
Battery
100 mA
Alert Tone Frequency
700
Hz
Alert Tone Duration
500
m sec
Alert Tone Level
-11
dBm
Page Input/Output Level (T&R)
-15
10
dBm
Page Input/Output Impedance (T&R)
600
Ohms
Music Input/Output Level
-15
10
dBm
Music Input/Output Impedance
600
Ohms
Operating Temperature
0
55
C
Operating Humidity
TO 85% RH
Zone Control Access
* PRESS CO LINE BUTTON, OR TOUCH DIAL NUMBER ASSIGNED TO PAGE
Page Zone 1
Dial "1"
Page Zone 2
Dial "2"
Page Zone 3
Dial "3"
All - Call
Dial "0"
Off-Hook Detection Sensitivity
1125 Ohms DC Resistance (780 to 1460 Ohms)
* CO
LINE
BUTTON
-
FOR
EKSU
AND
KSU
(1A2)
KEY
TELEPHONE
SYSTEMS.
NUMBER
ASSIGNED
-
FOR
PBX
TELEPHONE
SYSTEMS.
P81414 K
Sheet 2 of 6
MOUNTING INFORMATION
The ZC-3 is designed for surface wall mounting near the telephone system. Remove the top cover by pushing on the latch at the bottom of the housing
base with a small screw driver. See Figure 2.
Figure 3 is the mounting template. To mount the base (containing the PC Board Assembly) to the wall space the 2 mounting screws provided
horizontally on 2.750" centers (See Figure 3).
