Aiphone PG-3 - Manual (Page 2)

(^FEATURES )
Allows paging announcement to relatively small room or area (where only one paging speaker is installed) in conjunction
with Aiphone paging adaptors in TB-F, TB-H & KAH systems.
Allows paging announcement to relatively small room or area (where only one paging speaker is installed) amplifying the
output of LAF, HM-7 and LAH-20 (in conjunction with LAN-1).
Talkback paging is not available in LAF, HM-7 or LAH-20 systems.
C
INSTALLATION )
Do not attempt to install PG-3 until you have read and thoroughly understood the installation procedure. Aiphone’s
warranty is void if it is installed in a manner other than described in this manual.
1)
( WIRIN^
1) Amplifier input connections;
The paging adaptor and PG-3 (INPUT 1 | A | , El
terminals) should be located as close as possible to each
other. SHIELDED CABLE SHOULD BE ALWAYS USED
TO CONNECT THEM IN ORDER TO REDUCE THE
POSSIBILITY OF PICKING UP R.F. SIGNALS OR
ELECTRICAL NOISE.
2) Power supply connections;
a. PS-12 A (or PS-12C) power supply and PG-3 should be
located as close as possible to each other and 0.8 mm dia.
wires (20 AWG) or thicker should be used in order to
avoid drop of PG-3 output power.
b. LAF, HM-7, TB-F, TB-H & TS-K systems (TB-H: up to
12 phones);
One PS-12A (or PS-12C) power supply may be COMMON­
LY used for both intercom system and PG-3.
c. KAH, LAH-20 & TB-H systems (TB-H: more than 12
phones);
One PS-12A (or PS-12C) power supply is required for the
intercom system and a second power supply is required
for the PG-3.
NOTE: When two or more PG-3 are installed in a system, one
PS-12A (or PS-12C) power supply MUST be used for
each PG-3.
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