NuTone Door LB 14 User Manual

INSTALLATION INSTRUCTIONS  
READ & SAVE THESE INSTRUCTIONS!  
Recess-Mounted  
Door Chime  
COVER  
MOUNTING  
BRACKET  
MODEL: LB-14 SERIES  
• Your NuTone Door Chime is designed for two-door  
operation. For best results, use NuTone Model 101T  
Transformer.  
• Handle the door chime carefully as you would any  
precision instrument.  
SLIDE  
CHIME  
MECHANISM  
FIGURE 1  
• Comply with local wiring codes when installing the  
door chime.  
• If upon completion of the installation the chime does not  
operate, check your installation against these instructions.  
If the chime still does not operate, check the pushbutton(s)  
for poor contact or loose connections and wiring for  
short circuits.  
• If chime plungers should ever become sluggish in their  
movement, clean the plungers with a nonflammable  
cleaning fluid and wipe dry. CAUTION: NEVER OIL  
CHIME PLUNGERS.  
120v AC  
FRONT DOOR  
PUSHBUTTON  
WIRING  
FRONT  
TRANS  
REAR  
FRONT  
18 GAUGE INSULATED  
2-CONDUCTOR WIRE  
TRANS  
REAR  
NUTONE 101T  
TRANSFORMER -  
USE NUTONE MODEL  
301T FOR TWO OR  
MORE CHIMES  
COMMON  
WIRES  
TERMINAL  
BOARD  
CHIME No. 2 CHIME No. 1  
TERMINAL  
BOARD  
REAR DOOR  
PUSHBUTTON  
MOUNTING THE FRAME  
FIGURE 2  
Refer to Figure 1. The chime mechanism is shipped  
mounted in the metal mounting frame. Remove the  
cardboard plaster shield and remove the chime mechanism  
from the frame by freeing one side and sliding to the side.  
WIRING  
• Be certain the power has been disconnected at the main  
source before making the connections.  
• Comply with local electrical code.  
• When stapling wires to studs or joists, do not allow staples  
to cut through wire insulation.  
NEW CONSTRUCTION  
1. Bend or break off the four mounting tabs. Do not bend  
tabs inward.  
2. Nail the chime mounting frame to a wall stud in the  
required location. Position the mounting frame so the  
front edge will be flush to the finished wall surface.  
3. Complete the wiring connections.  
1. Mount the transformer to a convenient junction box (attic  
location not recommended) or circuit breaker box.  
2. Connect house power leads to transformer leads: black to  
black, white to white.  
3. Run 2-conductor, 18 gauge cable from the transformer  
screw terminals and from the pushbutton screw terminals  
to the chime location.  
4. Refer to Figure 2. Bring wires into the mounting frame.  
Connect the transformer and pushbutton wires to the  
terminal board on the chime base plate.  
EXISTING CONSTRUCTION  
1. Bend out the recess mounting tabs.  
2. In the desired location between wall studs, mark around  
the mounting frame and prepare a 478" wide by 7" high  
cutout.  
3. Insert the frame into the cutout. The recess mounting  
tabs go behind the wall. The recess mounting tabs and  
the two pairs of tabs on the side of the frame should hold  
the frame firmly in position.  
ELECTRONIC WIRING HOOK-UP FROM DOOR  
CHIME TO INTERCOM SYSTEM  
1. Run NuTone IW-2 cable (22 gauge twisted-pair cable) from  
4. Complete the wiring connections.  
intercom location to chime.  
MOUNTING THE DOOR CHIME  
1. Install chime to mounting frame after finished wall is  
in place.  
2. Run wires through wiring hole in chime base plate  
and connect to terminals 1 and 2 on volume control  
terminal board.  
3. Refer to instructions packaged with intercom for  
connection to intercom.  
2. Feed wires through the wiring entrance in the chime's base  
plate and make wire connections to the terminal board.  
3. Slide the chime mechanism under the cover mounting  
brackets and snap chime into frame.  
4. Mount chime cover to mounting brackets by using  
supplied screws.  
 

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