Atkinson Dynamics AD-28X-MV, Руководство по установке

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Reminders: •
Before installing remote intercoms, precautions should be taken to prevent feedback between two or more remotes in close proximity and acoustically reflective areas.
•
16–20 gauge low voltage audio cable.
Twisted pair not required.
•
Shielded audio cable not required unless operating in high electromagnetic fields. Ground one end of the shield to earth ground.
•
Audio and power cables are not supplied with
AD
‑28X
‑MV
.
Operating Principle: •
When one talks, all intercoms will hear
.
•
To talk to other stations, press the talk/listen switch and speak into the speaker/microphone.
Release talk switch to listen. NOTES: 1.
Speaker/Microphone
2.
Of
f/On/Speaker V
olume
Control
3.
Talk/Listen Switch
4.
“Call” T
one
Switch
5.
3‑
conductor/16
‑22 gauge cable. Use shielded cable in
electrically noisy areas. Ground one end of the shield to “earth” ground. Ground chassis of DC unit to ground.
Power
Remote A
Remote B
120V
50/60Hz
AD
‑28X
‑MV
‑‑
22
‑30VDC
AD
‑28X
‑MV
AD
‑56
‑1
240V
50/60Hz
AD
‑28X
‑MV
‑‑
POWER CONNECTIONS (Remote B): BLK
+DC Power
12/24V
Models
WHT
Common
12/24V
Models
290A4725-07
10
9 8 7 6 5 4 3 2 1
DR
Y CONT
ACT
FOR CALL AUDIO (-) AUDIO (+) REMOTE GROUND (-) 24VDC (+) NEUTRAL HOT EAR
TH GROUND
AC
GRN BLK WHT
GRN
BLK
WHT
AUDIO (+) DC POWER COMMON
1K 1W
ATT
REMOTE B
1 3
2
REMOTE A
1 3
5
2 4
ATKINSON DYNAMICS
UNIVERSITY
P
ARK, IL
USA
A FEDERAL
SIGNAL
COMP
ANY
ATKINSON DYNAMICS UNIVERSITY
P
ARK, IL
USA
A FEDERAL
SIGNAL
COMP
ANY