NuTone IMA-516 Installation & Operating Instructions Manual page 6

TYPICAL SYSTEM LAYOUT CONTINUED
NUTONE IW-6 MAX. 4000 FT.
PER SYSTEM. MAX. 500 FT.
ANY ONE RUN
CENTRAL AMPLIFIER
ORN / WHT
ORN
BLK
PAIR
NOT
USED
CHIME
CHIME
RED
18 GA 2000 FT. MAX. TO LAST DOOR RELEASE.
2500 FT. MAX. TO LAST SPEAKER BUZZER
TOWNHOUSE APARTMENTS
A typical system includes individual door speakers and apartment speakers with built-in door
buzzer. As an option, an electric door release may be used.
18 GA
MODEL 301T
TRANSFORMER
120vAC, 60Hz
HOUSE POWER.
OBSERVE LOCAL
CODE.
18/2
(NUTONE
S-143)
IMA-516
BLK
BLK / WHT
AC
14 GA
FIELD
GROUNDING
WIRE
DOOR SPEAKER
AC
RED / WHT
N482BX
BLK
ORN
BLK/W
ORN/W
RED
OPTIONAL
DOOR
RELEASE
PUSH
BUTTON
APARTMENT NO. 1
6
N482BX
RED/W
IW-6
TO APT.
NO. 1
OPTIONAL
DOOR
RELEASE
DOOR
SPEAKER
APARTMENT NO. 2
TO APT.
NO. 3
TO APT.
NO. 3
PUSH
BUTTON
TO APT
NO. 3