INSTALLATION CONSIDERATIONS (CONTINUED)
WIRING
From every IR Sensor location you must
Home run means that an individual cable is connected between each IR Sensor and the MSU250 (Figure 4).
Figure 4:
Home run the sensor cable from the sensor to the MSU250
Sensors In
TECH TIP
WIRE SIZE IS EXPRESSED
BY ITS AWG (AMERICAN
WIRE GAUGE) NUMBER
–THE LOWER THE
NUMBER, THE LARGER THE AWG, FOR EXAMPLE,
20 AWG IS PHYSICALLY LARGER THAN 22 AWG.
NOTE: IMPORTANT – AVOIDING INTERFERENCE AVOID LOCATING ANY OF THE CABLES, SENSORS, KEYPADS OR THE MAIN SYSTEM UNIT NEAR ANY POTENTIAL SOURCES OF
ELECTRICAL BALLASTS, TELEVISION SETS, LARGE MOTORS, HEATERS OR AIR CONDITIONERS
(CONTINUED ON NEXT PAGE)
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