Navien UHA-744SG User Manual page 24

Wiring Diagram
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Door Camera Wiring
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MONITOR
POWER
CAM1
VOICE
VIDEO
CAM2
GND
If UTP CABLE[CAT.5] is used, use 5th lines for GND line
Distance Door: 28m(∮0.5)/ 50m(∮0.65)/ 70m(∮0.8)
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Note :
Arbitrarily installed additional monitors may lower the quality of video and
voice transmission
24
M/C, Lobby (data, voice)
(1) POWER
Door
(2) VOICE
Camera
(3) VIDEO
(4) GND
Magnetic
Sensors
Lobby(video)
DC
+14V
POWER
GND
(OUTPUT)
UTP CABLE
AC/DC
Door
Striker
CAMERA
POWER
VOICE
VIDEO
GND