UNIT DESCRIPTION AND OPERATION
The PW-203 Passive Infrared Multi-Way Dual Relay Wall Switch sensors use
advanced passive infrared (PIR) technology. The PW-203 contains two relays
and two ON/OFF buttons to allow control of one or two loads independently.
Pressing a button toggles the state of the corresponding relay.
The relays can also turn loads ON and OFF automatically with occupancy. They
can be set to manual or automatic-ON operation independently from each
other, allowing for bi-level control.
Up to four PW-203 sensors can be connected to the same circuit.
When set for automatic-ON, the first sensor to detect occupancy turns ON all
the lights that are connected to the same circuit. The occupant can turn OFF the
load at any time by pressing the ON/OFF button of any sensor that is connected
to the circuit. If the occupant forgets to turn OFF the lights, the last sensor to
detect occupancy turns them all OFF after the time delay expires.
A “walk-through” mode can turn lights OFF after only 3 minutes, if no activity is
detected after 30 seconds following an occupancy detection.
PW sensors contain a light level sensor. If adequate daylight is present, the
sensor holds the load OFF until light levels drop, even if the area is occupied. In
the PW-203, light level only affects the load on Relay 2. Users can overrule this
function by pressing the ON/OFF button. See Light Level Adjustment.
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