WIRING
Suite Stations
-
may be wired in risers as shown in the wiring
layout diagram, Fig. 1. Each riser requires one twisted pair,
#22 (or as required for type of station) plus one conductor,
#22 for each suite served by the riser. Maximum length is
400 ft. (120 meters). Additional risers may be added as
needed. Cable should not be run in the same conduit with
(or too close to) electrical wiring, background music wiring
or very close to fluorescent lights, dimmers or other electri-
cal equipment. Leave sufficient cable in each box to make
connections. Do not cut cable at each station.
Transformer
-
wiring should be 2 conductor, #18. Maximum
cable length is 80 feet (24 meters), or up to 200 feet (60 meters)
using #14 wire. Route cable away from suite station wiring.
Door Release
-
wiring should be 2 conductor, #18 cable. Maxi-
mum length is 50 feet (15 mtr). To use 24 volt door release, use
a
LEE DAN
PS-30A transformer and connect as in Fig. 2.
Connections
-
Before connecting, make certain wires are free
from shorts or grounds. Make connections as shown in
Fig. 4, observing the following notes:
1.
Do not apply power to transformer primary until entire
system has been installed and all wiring checked for
shorts or grounds. The common wires connecting to
terminals 1,2,3,E and 5 should show open circuit when
tested with an ohmmeter.
2.
Use twisted pair wiring as shown. Do not interchange
wires or reverse polarity.
5-4-3 WIRE APARTMENT INTERCOM AMP
WIRING INSTRUCTIONS
Fig. 1
Add Risers
as required
117 VAC
PS-30A Transformer
Entry
Panel
Door
Opener
Door
Opener
To Additional
Suites
For 3-wire stations:
1 twisted pr #22, plus 1 cond.
#22 gauge per suite
or,
For 4-wire stations:
1 twisted pr #22 and 1 cond.
#22 common, plus 1
cond. #22 gauge per suite
or,
For 5-wire stations:
2 twisted pr #22, plus
1 cond. #22 per suite
Transformer
8
16
24 VAC
#18
D
K
C
24
PK-543
2 cond. #18
ZW
Fig. 3
OPTIONAL DIODE CONNECTION
Fig. 2
OPTIONAL CONNECTION FOR 24 VAC
DOOR RELEASE
3.
PK-543 amplifier may be installed inside entry panel when
using BB-200 series housing. If necessary to install the
amplifier elsewhere due to temperature extremes, etc., or
because a small panel is being used, 2 conductor, shielded
cable must be used for the entrance panel speaker wiring
and a 1 conductor shielded wire must be used for the ‘Buzz’
wire (connect shield drain wire to amplifier terminal G).
NOTE:
PK-543 should be located at least three feet (1 meter)
away from transformers or other electrical equipment and
must be kept away from direct heat or extreme cold.
Operating Temp. 0-30º C
4.
If the PK-543 must be located away from the entry
panel, shielded cable must be used for terminals A, G,
and Z (or ZW). Connect shield drain wire to amplifier
terminal G. In addition, one of the following steps must
be taken to prevent the possibility of Oscillation occur-
ring at the Suite Stations and the Entry Panel Speaker
when switching from Talk to Listen:
a.
The ENTRANCE TONE switch must be set to the
‘OFF’ position.
b.
A 1N4003 diode must be placed in series with the
ZW terminal. The anode of the diode must be
connected to the ZW terminal. Refer to Fig. 3.
c.
If the Z terminal is not being used for a second
suite entrance, connect the 'BUZZ' wire to Z
instead of ZW. This will give a steady tone instead
of a warble tone.
d.
Adjust the VOICE VOLUME level down until the
Oscillation disappears.
Suite Stations:
Innovations in Communications
since 1955
TM
®
®
PK-543
IN-487 (5/01)
800-231-1414
•
631-231-1414
155 Adams Avenue
•
Hauppauge, NY 11788-3699
Fax 631-231-1498
•
www.
LEEDAN.com
INTERCOMS
•
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•
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ANNUNCIATORS
•
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•
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With continuous product improvement, specifications are subject to change without notice.