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3. If longer wires are required for the IR320, solid or stranded,
shielded or unshielded with a minimum of 28-gauge for runs
under 200’, 22-gauge for runs under 500’ and 20-gauge for
runs up to 1000’. Wires can be looped from IR320 to IR320 or
home run. Home wire runs normally offer more reliability and
future flexibility.
4. IR320s can be mixed and matched in larger systems with up
to 10 Knoll infrared receivers.
5. When connecting multiple Knoll infrared receivers to the
IR155 detachable connector, make sure the infrared receivers
are wired in parallel only. For a single IR320 connected to the
IR155 infrared hub the red plug can be connected to the IR155
red jack. If the wire length needed is longer or multiple infrared
receivers are to be connected use the following procedure:
Connect the infrared receiver(s) 12V, GND and SIG terminals
to the corresponding IR155 screw terminals. Prepare the wire
leads to and from the IR receivers by stripping about ¼” of the
insulation from each of the three leads. Twist the strands tightly
together so that they do not stick out of the connector and
cause a short circuit. Strictly observe polarity.
IR320 wiring identification
6. Next, plug the single or dual emitter(s) into the Knoll
connection block and position and attach the emitter output to
the source components infrared receiver window.
IR320 system typical layout
7. Plug in the power supply. The Knoll PS1205 can power one to
ten infrared receivers, one connection block and one to four
single or dual emitters.
8. The infrared system is usually left plugged in all the time (to
an unswitched outlet) as it uses very little power.
9. Test the infrared system to see if it is working properly.
Bright sunlight and passive infrared security systems can lower
the distance that remote controls can work with an IR320
receiver.
If you have any questions or concerns, please call and ask for
infrared technical support at 1 800 566 5579. The help line is
open from 7:30 a.m. to 4:00 p.m., Monday to Friday, Pacific
time.
IR320
Receiver
Wire with
printing
IR OUT Signal
GROUND
+12 VDC
Receiver
CD
IR34A
IR34A
IR155
PS1205
12 V DC Power Supply
Dish
IR34A
171
Connection
Block
12V
GND
SIG
Controlled
Components
INSIDE
Cabinet
IR320
Receiver
Remote
Control