Legrand LCO-203 Daylighting Controller Installation guide

Brand: Legrand

Model: LCO-203 Daylighting Controller

Type: Installation guide

04252r2 07/2007

LightSaver

LCO-203 Daylighting

C o n t r o l l e r

DESCRIPTION

The LCO-203 controller provides automatic ON/OFF lighting

c o n t r o l , based on daylight contribution. It provides three control

c h a n n e l s .

The programmable adjustments for your application can be

easily selected and customized directly from the face of the

LCO-203. You can also observe speciﬁc system operation

directly from the controller display.

The BT-203 Power Pack powers the LCO-203 and has three

relays for ON/OFF switching, one for each channel.

The LCO-203 connects to one LS-290C photocell to detect the

incoming daylight level. Light level at the LS-290C displays on

the face of the LCO-203.

An optional wall switch, Model LS-4C or LS-3C, allows manual

ON/OFF control.

Lighting Channels

Lighting channels are groups of ﬁxtures that receive about the

same daylight contribution. Ty p i c a l l y, for a multi-channel

application, ﬁxtures nearest daylight sources are grouped

together in the same channel. Rows of ﬁxtures farther back

should be grouped together. The ﬁxtures farthest from the

daylight are grouped into the last channel.

Control Input Options

In addition to the LS-290C photocell and the wall switch, you

can connect other devices to the LCO-203 to enhance its

control capability. For example, to automatically shut OFF the

lights during the unoccupied periods, an occupancy sensor,

relay panel, BAS or time clock can be wired to the LCO-203

c o n t r o l l e r. For manual control during occupied periods, you can

connect a momentary manual switch. For energy conservation

or emergency shut-down, you can connect it to a load shed

system. See the Low Voltage Wiring section for details.

Figure 1: BT-203 Power Pack and LCO-203 Controller on DIN Rail

C O N T E N T S

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Lighting Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Control Input Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

PHOTOCELL PLACEMENT . . . . . . . . . . . . . . . . . . . . .2

LCO-203 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . .2

Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Automatic Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

On/Off Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Manual Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Wall Switch (LS-4C or LS-3C) . . . . . . . . . . . . . . . . .2

Manual Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Daylight Switching Calculations . . . . . . . . . . . . . . . . . . . .3

LOW VOLTAGE WIRING . . . . . . . . . . . . . . . . . . . . . . .3

Photocell, Terminal A10, A11, A12, . . . . . . . . . . . . . . . . . .3

Occupancy Sensor, Terminal A8, A11, A12 . . . . . . . . . . .4

Door Switch, Terminal B9 . . . . . . . . . . . . . . . . . . . . . . . . .4

Wall Switch, Terminal B2 to B8 . . . . . . . . . . . . . . . . . . . .4

Load Shed, Terminal B12 . . . . . . . . . . . . . . . . . . . . . . . . .4

Time Switch, Terminal B11 . . . . . . . . . . . . . . . . . . . . . . . .4

USER MENU AND DISPLAY . . . . . . . . . . . . . . . . . . . .5

Programmable Controller Adjustments . . . . . . . . . . . . . . .5

RUN mode -vs- Programming/Diagnostic mode . . .5

How to use the Programming Guide . . . . . . . . . . . .5

Navigation Quick Guide . . . . . . . . . . . . . . . . . . . . . . . . . .5

GENERAL SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Daylight Factor Submenu . . . . . . . . . . . . . . . . . . . . .7

Adjust Settings Submenu . . . . . . . . . . . . . . . . . . . . .8

Adjust Ch# Submenu . . . . . . . . . . . . . . . . . . . . . . . .8

Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . .10

WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . .10

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

PHOTOCELL PLACEMENT

In applications where windows

are the primary source of

daylight, the LS-290C photocell

typically mounts on the ceiling

between the window and the

ﬁrst row of ﬁxtures. For skylight

applications, the photocell

mounts in the lightwell. T h e

photocell is aimed toward the

daylight. Maximum wire

distance from the controller to

the photocell is 250 feet.

You need a light merter to

measure light levels at task

a r e a s .

See the LS-290C Photocell

installation instructions for

information about placement,

mounting and testing.

LCO-203 INSTALLATION

1 . The LCO-203 controller mounts onto a DIN rail inside of an

electrical enclosure rated for the application. Ty p i c a l l y, a NEMA 1

rated enclosure such as the Watt Stopper LS-E8 is used. One

LCO-203 and one BT-203 can be mounted in an LS-E 8 .

2 . All wiring connected to the LCO-203 is low voltage. Low voltage

wiring must be separated from line voltage wiring. Low voltage

wiring must enter the enclosure through knockouts separate from

high voltage wiring.

• Switch and sensor wires terminate at the terminal strips on the

top rows (labeled A and B).

• Wire all devices to the LCO-203 before connecting it to the

power pack or making any adjustments or program changes.

See the Low Voltage Wiring section for information about wiring

each device.

• Use the quick connect cable supplied with the LCO-203 to

connect it to the BT-203 Power Pack.

Figure 3: Wiring terminal locations

Adjustments

The display and buttons on the face of the LCO-203 allow you to

make various system adjustments. The LCO-203 comes with two pre-

programmed applications. Each application has factory default

settings. Depending on the circumstances of your installation,

adjustments may not be necessary. See the Controller A d j u s t m e n t s

and Display section for details.

OPERATION

Automatic Control

When in Automatic mode, the LCO-203 turns the lights ON or OFF

based on the amount of daylight measured by the photocell. Based on

the settings that you program for each channel, the LCO-2 0 3

automatically calculates when the lights need to be turned ON.

On/Off Switching

The BT-203 provides ON/OFF switching based on the combined

requirements of daylighting, occupancy, time clock and manual control

inputs to the LCO-203. The BT-203 Power Pack has one normally

open relay for each channel. It is closed whenever the LCO-203

determines that the electric lights are required in the channel.

Daylight: The contacts open if the LCO-203 determines that there is

enough daylight in a channel and no electric light is needed. Program-

ming calculation relationships are shown in the graphs on page 3.

First, the channel’s Cutout point must be reached. The Cutout point

refers to the photocell light level required to provide enough light at the

c h a n n e l ’s task level to meet the programmed setpoint plus its

deadband percentage. The channel’s programmable

Off Delay

t i m e r

begins at the Cutout point. If the channel remains at or above the

Cutout point for the duration of the timer, the contact opens. See

Daylight Switching Calculations for more information.

Manual Off: When the wall switch is used, the contacts open to switch

all channels OFF when the I/O (On/OFF) button is pressed. Pressing

the I/O (On/Off) button again switches all channels ON.

Time Clock Interlock: When the LCO-203 receives a contact closure

at terminal B11, it signals an unoccupied period. The unoccupied

signal immediately opens the contacts for all three channel relays.

This turns lights OFF and holds them OFF until the Time Clock

Interlock contact opens.

End of Occupancy: When the occupancy sensor’s internal delay

expires and it removes the occupancy signal from the LCO’s terminal

A8, a one-minute delay timer starts. If there is no occupancy signal

when the delay expires, all channels turn OFF.

Manual Control

The LS-4C and LS-3C are optional wall switches that allow manual

override of all channels in unison. Once manually set, the lights

remain ON or OFF until the LCO-203 resumes Automatic operation.

To resume Automatic operation, press and release Au t o on the wall

switch. For another way to return the LCO-203 to Automatic, see L O W

V O LTA G E WIRING, Occupancy Sensor, on the next page.

Wall Switch (LS-4C or LS-3C)

The LED by the Au t o button lights when the LCO-203 is in automatic

mode. The LED by the I/O (On/Off) button lights when it is in manual

mode. Both LEDs are OFF when the LCO-203 is in programming/

diagnostic mode or when the time clock signal is present. For wiring,

see Figure 7 and 7a or the instructions that came with the switch.

Manual Operation

1 . Press and release the I/O (On/OFF) button on the switch.

2 . The Manual (I/O or On/Off) LED goes ON and all channels turn ON.

3 . Press and release the I/O (On/Off) button to toggle all channels ON

or OFF.

4 . Press and release the Auto button to exit Manual mode and return

to Automatic operation.

Figure 4: LS-4C (left side) and LS-3C(right side) Wall Switch controls

Figure 2: Photocell placement for a

window application

page 2

page 3

Call 800.879.8585 or 972.578.1699 for Technical Support

LOW VOLTAGE WIRING

All connections to the LCO-203 are low voltage. Lighting ﬁxture line

voltage and ON/OFF relay control is provided by the BT-203 Power

Pack. See On/Off Switching on page 2 of this manual and the BT- 2 0 3

Installation Instructions for more information.

Photocell, Terminal A10, A11, A12,

The LS-290C photocell provides the daylight contribution

measurements for the LCO-203 system. There are two versions of

the photocell. The only difference between versions is the way they

connect to the controller. Connect the photocell to the LCD-203 as

shown in Figure 5 or 5a, as appropriate. If you are NOT installing an

occupancy sensor, put a wire jumper between terminals A8 and A 11 .

For photocell placement and installation information, see page 2 of

this manual and the Installation Instructions provided with the

L S-290C. For programming and adjustment information, see the U s e r

Menu and Display,

ADJUSTMENT

Daylight Factor

section of this

m a n u a l .

Daylight Switching Calculations

The LCO uses several adjustments to calculate the switching

thresholds for each channel. The calculated thresholds can be viewed

in the STATUS menu. A Cutin value and a Cutout value are

displayed for each channel. The controller uses these two values

along with delay timers to switch the relay for each channel ON and

O F F.

• When the photocell reading drops below the Cutin value (for the

duration of the

On Delay

), the relay switches ON.

• When the photocell reading rises above the Cutout value (for the

duration of the

Off Delay

), the relay switches OFF.

C u t i n is calculated using three adjustments:

1 . Setpoint (e.g., 40fc). The daylight contribution on the task surface

below which the electric lights should turn ON.

2 . Task FC (e.g., 100fc). This is the daylight contribution on the task

surface measured during initial setup.

3 . Photocell (e.g., 460fc). This is the photocell reading captured at

the same time as the Task FC. This is a global value that is used

for all channels.

Cutin Value = (Photocell/Task FC #) x Setpoint

For this example: 460fc ÷ 100 = 4 . 6

4.6 x 40 = 184fc Cutin value

C u t o u t is calculated by factoring in the

Deadband

percentage in

addition to the Cutin value:

• multiply the Cutin value by the Deadband percentage

• add the result to the Cutin value

Cutout Value = (Cutin Value x Deadband) + Cutin Va l u e

For this example: 184 x 0.40 = 7 3 . 6

73.6 + 184 = 257fc Cutout value

Figure 5: LS-290C v2 Photocell wiring

Load Shed, Terminal B12

Open contact: N o r m a l

operation. Each channel

uses its Setpoint to

determine lighting control

levels (i.e.,

Adjustment>

Adjust Ch# > Setp#

) .

Closed contact: L o a d

Shed operation. Each

channel uses its Load

Shed setpoint to

determine lighting control

levels. (I.e.,

Adjustment>

Adjust Ch# > Loadshed#

) .

Figure 9: Load shed wiring

Time Switch, Terminal B11

Open contact: O c c u p i e d

period. Lights respond to

sensor and switch inputs.

Closed contact:

Unoccupied period. Tu r n s

lights OFF and holds lights

O F F. The controller ignores

all other control signals

(such as LS-4C, manual

switches, photocell,

occupancy sensor, load

s h e d ) .

Wall Switch, Terminal B2 to B8

For an explanation of the wall switch, see page 2 and the Installation

Instructions provided with the switch.

Figure 7: LS-4C wiring

Figure 8: Time switch wiring

Occupancy Sensor, Terminal A8, A11, A12

An occupancy sensor can be connected to the controller so

that when no occupancy is detected, lights turn OFF. See

Figure 6 for wiring.

You can program the controller to either automatically turn

ON the lights at the beginning of occupancy, or so that the

lights must be manually turned ON with the wall switch.

When the controller is programmed for the Auto On

application, if the occupancy sensor detects occupancy, the

LCO-203 controller goes into Automatic mode to turn ON

lights as required by daylight factors.

When it is programmed for the Manual On a p p l i c a t i o n ,

once the lights are turned ON by a switch, the occupancy

sensor signal holds the lights ON as required by daylight

f a c t o r s .

In both applications, after the occupancy signal is removed,

the lights stay ON for one minute then they shut OFF.

Door Switch, Terminal B9

This terminal can switch lights ON and OFF when the

Manual On application is programmed.

When the Momentary Manual Switch operates it toggles

the state of the BT-203 relays.

Do not use this input if the controller is programmed for the

Auto On a p p l i c a t i o n .

Figure 5a: Original LS-290C Photocell wiring

(no version mark on unit)

Figure 6: Occupancy sensor and door switch wiring

page 4

Figure 7: LS-3C wiring

USER MENU AND DISPLAY

The user menu display and navigation buttons on the face of the

LCO-203 give you access to two menus of programmable controller

adjustments and two menus of real-time system operation data.

Programmable Controller Adjustments

There are two programming sections.

GENERAL SET

, is used to

determine the overall parameters of the system.

ADJUSTMENTS

, lets

you customize parameters for each lighting control channel.

RUN mode -vs- Programming/Diagnostic mode

When the controller is powered up and no buttons have been pushed

r e c e n t l y, the screen shows

The Watt Stopper

along with the current

photocell light level reading. The photocell readings dynamically

update. For an example, see the illustration below.

Pressing any button on the LCO-203 puts the controller into the

programming/diagnostic mode. When in this mode:

• Switch inputs are ignored

• LEDs on the LS-4C or LS-3C wall switch are OFF

• The LCO-203 continues to monitor light levels at the photocell

• Relays maintain the state they were in prior to entering the

programming/diagnostics mode

To exit the programming/diagnostic mode and return to the RUN

mode, press the  key repeatedly until

The Watt Stopper

shows in

the display. The programming/diagnostics mode will also automatically

time out and return the controller to RUN operation after 5 minutes

without a button press.

GENERAL SET



RUN SEE





ADJUSTMENT



BACK SEE





STATUS



BACK SEE





TERMINAL DATA



BACK SEE



Type Auto On



EXIT NEXT



ADJ



Daylight Factor



EXIT NEXT



ADJ



Ch1 ON



EXIT NEXT



PIR unocc



EXIT NEXT



Navigation Quick Guide

ADJ

Adjust the programming for this item or submenu.

BACK

Go back to the previous main menu title.

ESC

Abandon the current selection, do not save

change, return to last saved selection.

EXIT

Leave this screen and go back one menu or

submenu level.

Advance to the next menu or program item without

leaving the current program level.

RUN

Return the controller to normal operation.

SAVE

Save changes to this selection and show the new

selection on the screen.The controller powers up

after saving

GENERAL SET->Type

and other items.

SEE

View the program items within a menu.

The Watt Stopper

0 0 8 5 f c

RUN Mode: The numbers in the display indicate the current light level

(in footcandles) at the LS-290C Photocell.

To other

GENERAL

I t e m s

To other

ADJUSTMENT

I t e m s

To other

STATUS

I t e m s

To other

TERMINAL DATA

I t e m s

How to use the Programming Guide

In this manual,

This Kind of Typeface

indicates the text that

appears in the display.

When you see an arrow (

) between words, it means to advance the

display to another level to see the next program item listed. Ty p i c a l l y

you will press the  or  button to advance to that level, but you

may need to press  or  to get there, depending on where you are

inside the program.

The illustration below shows the top level of the programming/

diagnostics menu and the ﬁrst program item within each section. T h e

details of each program item, selection and diagnostic tool will be

described in the sections that follow.

page 5

PROGRAMMING DIAGNOSTIC

Press any button to enter the programming/diagnostic mode.

GENERAL SET



BACK SEE





Type Auto on



EXIT NEXT



ADJ



Channels 1Ch



EXIT NEXT



ADJ



Run Test Mode?



EXIT YES



Auto on

The light switches ON when the occupancy sensor detects occupancy and there

is a need for electric lights. While the sensor detects occupancy, the LCO-203

automatically controls the electric lights using

Daylight Factor

a d j u s t m e n t

programming. One minute after the end of occupancy, the lights turn OFF.

Manual on

The light must be manually turned ON using a momentary manual switch or the

I/O (On/Off) button on the LS-4C or LS-3C. When the input from the momentary

manual switch or Auto button on the LS-4C is received, the LCO-203 goes into

automatic mode and the lights come ON if needed. (If you turn ON the lights with

the LS-4C or LS-3C I/O (On/Off) button, the LCO-203 doesn’t automatically go

into Auto mode; you must press the Auto button to put the LCO-203 into

automatic mode.) As long as there is an occupancy signal (from an occupancy

s e n s o r, time clock or BAS) or until the switch is pressed again to turn the lights

O F F, the LCO-203 automatically controls the electric lights using

Daylight

Factor

adjustment programming.

NOTE: The LCO-203 reboots and goes into a power-up sequence when you press the SAV E

button in the adjustment screen.

During the test mode, the controller only responds to input from the photocell. All other switch

and control inputs are ignored. Test Mode bypasses the time delays programmed in each

c h a n n e l .

When you exit test mode, the controller resets and may turn OFF the lights momentarily.

Selections

Auto ON

Manual ON

1Ch

2Ch

3Ch

Powerup System

Please wait

Sets the number of active channels. The output and channel information displayed for

operational, diagnostic and programming purposes is determined by this setting.

In Test Mode



EXIT

GENERAL SET

I n

GENERAL SET

, you select the type of application

and the number of channels. This menu also

provides access to the LCO’s

Test Mode

page 6

The LCO-203 comes with two basic application types already saved in its memory. The program

items are the same for each application type, but the entry selections are different, depending

on how the programmable feature is used in the application.

page 7

ADJUSTMENT

In A D J U S T M E N T you set the daylight factors and

select individual operating parameters for each channel.

This menu also provides a way to save application

settings for future use and a way to restore the factory

defaults. There are three submenus within

A D J U S T M E N T as shown below.

The program items for each submenu are described in

the sections that follow.

ADJUSTMENT



BACK SEE





Daylight Factor



EXIT NEXT



ADJ



Adjust Ch1



EXIT NEXT



ADJ



Adjust Settings



EXIT ADJ



Range 30-3000fc



EXIT NEXT



ADJ



Select the light level range that matches the jumper setting on the LS-290C

Photocell. The default for both the LCO-203 and the LS-290C is 30-3000fc.

If the expected maximum light at the photocell is: S e t

Range

f o r :

less than 250fc (darker locations). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 3 0 0 f c

more than 250fc, less than 2800fc (typical). . . . . . . . . . . . . . . . . . .3 0 - 3 0 0 0 f c

more than 2800 (inside skylight lightwell). . . . . . . . . . . . . . . . . . . . . .6 0 - 6 0 0 0 f c

Selections

3-300fc

30-3000fc

60-6000fc

Enter information about the photocell and the light level at the task area for

each channel. See Daylight Factor Submenu for a description of each

program item. Entries in this submenu are mandatory.

Set each channel’s reaction to various system inputs. See Adjust Ch#

S u b m e n u for a description of each program item.

# Each channel enabled in the

GENERAL SET

menu is programmed in a

separate submenu for that channel.

Use this item to save your program selections, or to have items return to

the factory defaults.

Daylight Factor Submenu

These entries allow the LCO-203 to calculate the ratio of

dimming to the amount of daylight contributing to the

illumination of the channel. This relationship is

determined by light meter measurements at the task

level for each channel and the light received at the

L S-290C Photocell.

Daylight Factor



EXIT NEXT



ADJ



Adjust Ch1

Task FC1 40fc



ADJ



Select the light level that matches the light meter measurement you took at

the task level for Channel 1. The default is 40fc.

5fc

100fc

Task FC2 30fc



ADJ



Select the light level that matches the light meter measurement you took at

the task level for Channel 2. The default is 30fc.

5fc

100fc

Task FC3 20fc



ADJ



Select the light level that matches the light meter measurement you took at

the task level for Channel 3. The default is 20fc.

5fc

100fc

If Channel 2

is available

If Channel 3

is available

Photocell 0467fc



EXIT ADJ



When you press ADJ, the display captures the light level currently

measured at the LS-290C photocell. You can manually adjust the setting if

n e c e s s a r y. For example, if you manually recorded the photocell light level at

the time the measurements were taken at the task level, you may want to

enter that level, rather than the level at the present time. (The available

selections vary depending on the photocell

Range

.) T h e

Photocell

e n t r y

M U S T be greater than the

Task FC

entry for each channel, otherwise a

Daylight Factor error message appears in the

STATUS

m e n u .

3fc

6000fc

When you program

Daylight Factor

, use a light meter to measure the

light level at a representative task area for each dimming channel. Make

note of the photocell light level reading at the time that the task level

readings are taken.

Adjust Ch2



EXIT NEXT



ADJ



Adjust Ch3



EXIT NEXT



ADJ



}

Adjust Ch# Submenu

Each channel has its own submenu. (To select the

number of channels in your system, see

GENERAL SET >

Channels

. )

The graphs on page 3 show the relationships between

light level measurements recorded in the D a y l i g h t

Factors submenu and the settings programmed in the

Adjust Ch# S u b m e n u .

Setp1 40fc



EXIT NEXT



ADJ



Select the light level Setpoint for the Channel indicated. Sets the daylight

contribution on the task surface below which it is desired that the electric

lights turn on. Default is 40fc. The Cutout and Cutin points (see S T A T U S

menu) are calculated based on this Setpoint and the Deadband settting.

See page 3 for calculation details.

Selections

OFF

5fc to 60fc

Deadband1 40%



EXIT NEXT



ADJ



Select the pecentage ABOVE the Setpoint where the lights can be turned

O F F. This Cutout value is calculated by factoring the Deadband percentage

with the Cutin value. See page 3 for calculation details. The lights turn OFF

when the light level stays above the Cutout point for the duration of the

Off

Delay

. Default is 40%.

10%

80%

On Delay1 20S



EXIT NEXT



ADJ



Select the number of seconds delay between when the photocell light level

drops below the Cutin point and when the lights turn ON. To switch ON, the

light level must remain BELOW the Cutin point for the duration of the

On Delay

. Default is 20 seconds.

00 Seconds

60 Seconds

Off Delay1 20M



EXIT NEXT



ADJ



Select the number of minutes delay between when the photocell light level

rises above the Cutout point and when the lights turn OFF. The light level

must remain ABOVE the Cutout point for the duration of the

Off Delay

Default is 20 minutes.

03 Minutes

60 Minutes

Adjust Ch1



EXIT NEXT



ADJ



To:

Adjust Ch2

Adjust Ch3

and

Adjust Settings

Loadshed1 40fc



EXIT ADJ



Set the light level Setpoint to use during Load Shed events. Load shed

events are triggered by an input from a BAS or other load shed signalling

device connected to LCO-203 terminal B12. Default is 40fc.

0.0VDC

10.0VDC

After you adjust Channel 1, if more channels are available, their submenus

appear in the display after you

EXIT

the ﬁr s t

Adjust Ch

submenu. If no

more channels are available, the display advances directly to the

Adjust

Settings

submenu when you exit the channel.

Copy Settings?



EXIT ADJ



Custom->Backup?



COPY ADJ



ESC



Adjust Settings



EXIT ADJ



Adjust Settings Submenu

These program items allow you to make a backup copy of

t h e

ADJUSTMENT

programming, restoring from the backup,

and returning to factory defaults.

The LCO-203 displays the current

ADJUSTMENT

settings in

a program called “Custom.”

Backup->Custom?



COPY



ADJ



ESC



Factory->Custom?



COPY



ADJ ESC



Display pauses and

responses are delayed

during copy process

When you select COPY, here is what happens for each function:

Custom->Backup

: Makes a backup copy of the

ADJUSTMENT

menu settings

currently operating in the controller.

Backup->Custom

: Replaces the current controller

ADJUSTMENT

m e n u

settings with the backup copy.

Factory->Custom

: Restores the factory default settings for all items in the

ADJUSTMENT

m e n u .

page 8

If you need to test an alternate set of adjustments, you may save time by

making a backup copy of the current settings, changing the desired

settings, then testing. If you want to return to the previous settings, you can

restore the settings from the backup copy.

If you need to return to the

ADJUSTMENT

default settings originally

programmed, you can copy the Factory program into the current “Custom”

p r o g r a m .

}

The

Adjust

program items repeat in submenus for

Channel 2 and Channel 3, if the channels are enabled.

page 9

Diagnostics

There are two menus that provide real-time data about the system’s

current state.

T h e

STATUS

menu gives information about the channel outputs at the

B T-203 power pack. It also displays the daylight factors calculated by

the LCO-203 for each channel.

STATUS



BACK SEE





Ch1 ON



EXIT NEXT



Ch2 ON



EXIT NEXT



Ch3 ON



EXIT NEXT



Cutin1 0184fc



EXIT NEXT



Cutin2 0368fc



EXIT NEXT



Cutin3 0707fc



EXIT NEXT



Cutout1 0257fc



EXIT NEXT



Cutout2 0515fc



EXIT NEXT



Cutout3 0990fc



EXIT NEXT



Shows the ON/OFF

status of the BT-203

power pack relay

associated with each

channel enabled in the

program.

Shows the photocell

light level where the

controller will begin the

On Delay

for each

channel.

Shows the Daylight

Factor the LCO-203

calculated for each

channel. Higher

numbers indicate more

daylight contribution. To

adjust values such as

photocell light level and

channel setpoints, see

the

ADJUSTMENT

menu.

If an ERROR message

appears, check

programming for

Photocell

a n d

Task FC

Data

Format

ON or OFF

Data

Format

photocell

light level

footcandles

Data

Format

photocell

light level

footcandles

TERMINAL DATA



BACK SEE



PIR unocc



EXIT NEXT



Photocell 0427fc



EXIT NEXT



Auto#3 lo



EXIT NEXT



Manual#4 lo



EXIT NEXT



Time#11 lo



EXIT NEXT



Occupancy sensor input

indicates “occupied” or

“unoccupied”.

Data

Format

occ or

unocc

Auto LED on



EXIT NEXT



Manual LED on



EXIT

numeric

footcandles

lo to hi

Current light level at the

photocell.

Wall switch A u t o b u t t o n

input at terminal B3.

Wall switch I/O (On/Off)

button input at terminal B4.

Clock, relay or panel input

at terminal B11.

Tests the Auto LED on the

wall switch. Viewing this

screen turns LED ON.

Tests the Manual LED

(next to I/O or On/Off) on

the wall switch. Viewing

this screen turns LED ON.

Loadshed#12 lo



EXIT NEXT



lo to hi

Load Shed signal from

BAS or other load shed

control at terminal B12.

T h e

TERMINAL DATA

menu gives information about switch and sensor

inputs at terminal A and B. This menu is very helpful in verifying wiring

connections. When you activate the device connected to the input, the

change of state is held in the display until you acknowledge it by

advancing through the menu.

Df1 21.73%



EXIT NEXT



Df2 10.86%



EXIT NEXT



Df3 5.65%



EXIT

Shows the photocell

light level where the

controller will begin the

Off Delay

for each

channel.

Data

Format

0.16% to

98%

SPECIFICATIONS

U L and cUL Listed, Class 2

I n p u t

Supply voltage provided by BT-203 Power Pack . . . . . . . . . . . . . . . . . . . . . . 2 4 V D C

ORDERING INFORMATION

Catalog # Description

B T- 2 0 3 3-Relay Power Pack, input:

120–277VAC 50/60Hz

L C O - 2 0 3 Indoor daylighting controller, 3-channel, 24VDC

L S - 2 9 0 C Photocell, 3-6000 footcandle range

L S - 3 C Wall Switch

L S - 4 C Wall Switch

L S - E 8 8 inch square NEMA type 1 enclosure with cover,

includes 1 DIN rail

L S - E 1 2 12 inch square NEMA type 1 enclosure with cover,

includes 2 DIN rails

WARRANTY

Watt Stopper/Legrand warranties its products to be free of defects in

materials and workmanship for a period of ﬁve years. There are no

obligations or liabilities on the part of Watt Stopper/Legrand for

consequential damages arising out of or in connection with the use or

performance of this product or other indirect damages with respect

to loss of property, revenue, or proﬁt, or cost of removal, installation

or reinstallation.

2800 De La Cruz Boulevard, Santa Clara, CA 95050 • Technical Support: 800.879.8585

w w w. w a t t s t o p p e r. c o m

TROUBLESHOOTING

The lights do not respond when the momentary manual switch

or LS-4C button is pressed.

• Verify that the LCO-203 is in RUN mode. The LCO-203 display

s h o w s

The Watt Stopper

and the photcell light level when in RUN

m o d e .

• Make sure the quick connect cable is connected between the

L C O -203 and BT- 2 0 3 .

• Enter the LCO-203 programming/diagnostics mode. Check the

STATUS

a n d

TERMINAL DATA

menus for proper data and terminal

input responses.

The lights do not turn OFF automatically when daylight levels

are high enough to shut them OFF.

• Verify that the LCO-203 system is operating in Automatic mode

(refer to the “Operation” section).

• Check photocell light level reading on the controller display.

• Verify that the photocell is positioned properly (refer to the

“Installation” section, and the separate photocell instructions).

The lights are OFF when you expect them to be ON.

• Verify that the LCO-203 is powered. The display on the Controller

Module will have text when the unit is powered.

• Verify that the occupancy signal is present (24VDC at terminal 8).

• Verify that the time clock signal is in occupied mode. (There must

not be closure between terminals B2 and B11 . )

Not enough light in a channel.

• Check the channel adjustments programmed in

ADJUSTMENT >

Adjust Ch#

• Check the footcandle setpoint programmed in

ADJUSTMENT >

Adjust Ch# > Setp#

. If it seems low, enter a higher number.

• Check the photocell light level reading. If it is less than 225fc during

sunny conditions, the range should be set to 3-300fc. Set the

jumper position on the LS-290C photocell and the

Daylight

Factor > Range

setting in the LCO-203 to 3-300fc.

• Verify that the photocell is installed correctly. The photocell should

be installed on the room side of curtains or blinds and should view

the daylight that is entering the area.

• Retake the light meter readings at the task level. Check program

settings in the

ADJUSTMENT > Daylight Factor

program. Enter

new data into the program as necessary.

The lights will not turn ON.

• Verify that power is present to the ballast and that it has not been

switched OFF at the breaker or by a wall switch.

• Verify line voltage wiring connections to the BT- 2 0 3 .

• Make sure the quick connect cable is connected between the

L C O-2 03 and BT- 2 0 3 .

• Verify switch and sensor wiring to the LCO-203.

The lights always turn off automatically after 1 minute.

• If an occupancy sensor is NOT installed in the Lightsaver system,

you must put a jumper between LCO-203 terminals A8 and A 11 .

ERROR

message in the STATUS display instead of

Df# %

The programmed

Task FC

for the channel is higher than the

p r o g r a m m e d

Photocell

measurement. Go to:

GENERAL SET



RUN SEE





ADJUSTMENT



BACK SEE





Daylight Factor



EXIT NEXT



ADJ



Range 30-3000fc



EXIT NEXT



ADJ



Task FC1 100fc



ADJ



Task FC2 20fc



ADJ



Task FC3 20fc



ADJ



Photocell 080fc



EXIT ADJ



Notice that in this example,

Task FC1

i s

set very high at 100fc.

Check the

Photocell

setting. It is very

low at 80fc.

• Consider adjusting

Task FC1

to a

lower setting.

• Adjust the

Photocell

s e t t i n g .

Please

Recycle

Legrand LCO-203 Daylighting Controller Installation guide

Legrand LCO-203 Daylighting Controller Installation guide

Legrand LCO-203 Daylighting Controller Installation guide

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