NuTone IA-28 - Manuel (Page 6)

6
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.
120vAC, 60Hz
HOUSE POWER.
OBSERVE LOCAL
CODE.
MODEL 301T
TRANSFORMER
NUTONE IW-6 MAX. 4000 FT.
PER SYSTEM. MAX. 500 FT.
ANY ONE RUN
18/2
(NUTONE
S-143)
IMA-516
CENTRAL AMPLIFIER
ORN / WHT BLK
BLK/WHT ORN
NUT
ONE IW
-2 (100 FT
. MAX.)
NUT
ONE IW
-2 (100 FT
. MAX.)
OPTIONAL
DOOR
RELEASE
IW
-6
18 GA
18 GA
18 GA
N482BX
BLK/W
N482BX
TO APT.
NO. 3
TO APT.
NO. 3
IW-6
TO APT.
NO. 1
TO APT
NO. 3
APARTMENT NO. 2
PUSH
BUTTON
DOOR
SPEAKER
PUSH
BUTTON
APARTMENT NO. 1
DOOR SPEAKER
RED / WHT RED
14 GA
CHIME
CHIME
BLK
PAIR
NOT
USED
AC
AC
18 GA 2000 FT. MAX. TO LAST DOOR RELEASE.
2500 FT. MAX. TO LAST SPEAKER BUZZER
ORN/W
RED
BLK
ORN
OPTIONAL
DOOR
RELEASE
FIELD
GROUNDING
WIRE
RED / W
TYPICAL SYSTEM LAYOUT CONTINUED