Honeywell PLS531A Installation And User Manual


Applications
The PLS530A/PLS531A switch can be used in a single-pole or 3-way
installation with the following types of lighting:
• Incandescent
• Halogen
• Low-voltage halogen with transformer
• Fluorescent
The PLS530A/PLS531A switch cannot be used with a load below 40 W,
a load above 500 W or a motor.

Installation

Cut power at the circuit breaker to avoid electric shock.

Remove the existing switch. (For a 3-way installation, identify and
label the wire that is connected to the "common" screw.)

Install the new switch (refer to the appropriate section below).

Apply power at the circuit breaker.
NOTE A:
The white wire is not the neutral wire but the wire going to the load.
SINGLE-POLE INSTALLATION
Line
120 VAC
Neutral
120 VAC
Connect wires "2" and "C" of the PLS530A/PLS531A to the line (120 V)
wire.
EXISTING 3-WAY INSTALLATION
120 VAC
Jumper
PLS530A/PLS531A
See NOTE A
Line
Neutral
See NOTE A
Red
Red
3-wire cable
Connect wire "C" of the PLS530A/PLS531A to the "common" wire, identi-
1.
fied when removing the old switch. Connect the other two PLS530A/
PLS531A wires to the two remaining wires.
At the other 3-way switch, connect the jumper wire between the "com-
mon" screw and the screw where wire "1" of the PLS530A/PLS531A is
connected.
NEW 3-WAY INSTALLATION
120 VAC
2.
The jumper wire is not required in this installation. A single-pole switch
can be used as the other switch in a 3-way installation.

Power-On

Pry the switch door open from the
bottom using a small screwdriver.

Ensure the ON/OFF selector is set to
ON.

Reset the switch using a paper clip.
0:00 and MO will flash.
If the display is blank:
• Ensure the ON/OFF selector is prop-
erly engaged in the ON position. Push it to the right using a small
screwdriver.
• If the programmable switch controls a lamp equipped with a built-in
On/Off switch, ensure the lamp switch is set to On.
• Ensure the light bulb is not burned out and is tightly screwed in its socket.
EXISTING 3-WAY INSTALLATION
If either switch does not work properly, rewire the jumper between the
"common" screw and the other screw.
WARNING: Before replacing the light bulb, place the ON/OFF selector in
the OFF position. Failure to do so might damage the switch.

Setting the Clock
NOTE: The switch displays the time in 24-hour format by default or fol-
lowing a reset.

To change to 12-hour format (or vice versa), proceed as follows:
a) Press one of the control buttons to ensure the MAN or AUTO
indicator is displayed.
b) Press the MIN and HOUR buttons simultaneously and brieftly
(0:00 display = 24-hour, 12:00 display = 12-hour ).

Set the time using the HOUR and MIN buttons. If you have selected
the 12-hour format, ensure that PM appears on the screen when an
afternoon time is displayed.

Set the day by using the DAY button.

Press one of the control buttons or close the switch door to return to
normal operation.
PLS530A/PLS531A
Installation and User Guide
Programmable Wall Switch
See NOTE A
3.
Reset
Control (4)
On/Off selector
4.
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