INSTALLATION INSTRUCTIONS
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Built-In Apartment Speaker
MODELS: N482BX SERIES
DIRECT-A-COM 3
GENERAL INSTALLATION INFORMATION
1. Mount Apartment Speaker in NuTone rough-in frame for
built-in installation. For surface mounting installation,
mount Apartment Speaker in NuTone surface mount frame.
2. All necessary interconnecting wires and cables should be
installed when the rough-in frames are mounted.
3. For system wiring diagrams concerning the optional
Direct-A-Com 3 installations, see Installation Instructions
on the NuTone Direct-A-Com Series 3.
MULTI-FLOOR & GARDEN APARTMENT
INSTALLATION
Each Apartment Speaker connects to a speaker at the
main entry. The following equipment may be used at the main
entrance:
(1) Entrance Directory as shown in Figure 1.
(2) Mailboxes with pushbuttons and either built-in door
speakers, or surface mounted door speaker.
(3) Separate pushbuttons and either built-in or surface
mounted door speaker.
SYSTEM WIRING
(use recommended NuTone wire)
1. Refer to Figure 1 riser wiring detail. The 3-twisted pair
cable (NuTone IW-6) is common between the Amplifier and
all Apartment Speakers.
2. Common throughout the system:
(a) 18 gauge wire between Speaker Door Release Switch
and Electric Door Release
(b) 18 gauge, 16vAC wire between Transformer and
Speaker Buzzer and Speaker Door Release Switch.
3. Run individual 18 gauge wire between each Apartment
Pushbutton and Speaker Buzzer.
APARTMENT SPEAKER WIRING
Refer to Figure 2.
1. Connect 3-twisted pair cable(s): ORANGE pair to ORN
terminals, RED pair to RED terminals, BLACK pair to BLK
terminals.
2. Connect one BROWN wire on Buzzer and one BROWN
wire on Door Release Switch to 18 gauge, 16vAC wire
from Transformer.
3. Connect other BROWN wire on Buzzer to 18 gauge wire
from individual pushbutton at main entry.
4. Connect other BROWN wire on Door Release Switch to
18 gauge wire from DR-1 Electric Door Release at
main entry.
NOTE: Use wire connectors, or splice and tape for wire
connections in steps 2, 3 and 4 above.
FIGURE 1
FIGURE 2
MULTI-FLOOR & GARDEN APARTMENTS
SYSTEM WIRING DIAGRAM
FOR SYSTEMS USING SPEAKERS WITH BUZZERS
SPEAKER WIRING
TO OTHER
APARTMENTS
2nd
FLOOR
1st
FLOOR
APARTMENT
SPEAKER
APARTMENT
SPEAKER
CENTRAL
AMPLIFIER
USE 18GA. SINGLE
CONDUCTOR* OR
MULTI-CONDUCTOR CABLE*
(NOT AVAILABLE FROM
NUTONE)
MAIN ENTRANCE
DIRECTORY
DR-1 DOOR
RELEASE
120vAC
SUPPLY
16vAC
POWER
TRANSFORMER
DIRECTORY (OPTIONAL)
POST LOCK SWITCH ADD
DOTTED LINE WIRING
APARTMENT SPEAKERS
TO OTHER
APARTMENTS
BLK
BLK/WHT
ORN
ORN/WHT
RED
RED/WHT
TO
TRANSFORMER
INDIVIDUAL
PUSHBUTTON
AT MAIN ENTRY
TO DOOR
RELEASE
USING SMALL SCREWDRIVER, ADJUST THE VOLUME
CONTROL (“VOL CON”) FOR DESIRED VOLUME LEVEL
3-TWISTED PAIR CABLE
(NUTONE IW-6) TO
CONTROL AMPLIFIER
(MATCH COLOR-CODED WIRES
TO COLOR-CODED TERMINALS)
18 GA.
(BUZZER)
18 GA.
(BUZZER)
18 GA.
(BUZZER)
TO 3rd FLOOR
APARTMENTS
TO 3rd FLOOR
APARTMENTS
2-COND., 18GA.
1
2
3
2-WIRE
22-18 GA.
TWISTED
PAIR
3-TWISTED PAIR
(6-WIRE) CABLE
IW-6-200 0R IW-6-100
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