Nutone 478-76.478-77 - Manual
Nutone 478-76.478-77 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Apartment House
Intercoms
MODELS: 478-76 & 478-77
INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
(Please see other side for Model 478-77)
Model 478-76
Use as a replacement control amplifier for the former Direct-A-Com 1 System,
Model 476 amplifier:
1. Install the Model 467 Postal/Main Door Timer module as described in the instructions
packaged with the unit.
2. Wire the amplifier-adapter to the system as shown in the wiring diagram.
TO APT. NO 3
TO APT. NO 2
DIR.
1
2
3
TWISTED
PAIR
DOOR REL.
POSTAL LOCK
LOBBY SPKR.
478-76
INLCUDES:
467
478
ADAPTOR
A2
A1
486B
APT. NO 1
R
A2
A1
C
TWISTED
PAIR
TWISTED
PAIR
ADAPTOR BOX
RING SWITCH
REMOTE COMMON
A2
A1
A2
A1
301
TRANSFORMER
RING COMMON 1
CONTROL
GROUND
16VAC
16VAC
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
