WPC-5621K Photo Sensor Operator's Manual - Douglas Lighting ...

WPC-5621K Daylight Sensor Switch
Applications & Circuits
CONTENTS
Parts & Dimensions
Specifications
Adjustments
Testing
Sequence of Operation - Enabling, Normal Operation
Sequence of Operation - Deadband Controls, Disabling
Location of Daylight Sensor - Locating the Sensor
Location of Daylight Sensor - Several Rooms
Mounting - Octagon Box
Mounting - Other
Connections - General Information
Connections - Wire Size & Type: IMPORTANT
Connections - Enable/Disable
Connections - Enable/Disable Response
Connections - Douglas Relays
Connections - Douglas Relay Scanners
Connections - Contact Outputs to other Systems
Connections - Daylight Sensor & Occupancy Detector
Connections - OFF Only or ON Only Relay Switching
Typical Switching Sequence for WPC-5621K
1
1
2
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

2 ) 4 6 5 , 1 - 5 1 5
Mounting & Spacer
Ring
Ceiling Tile
Adjustments
under Front Cover
Snap-on
Front Cover
Power and
Time Delay
Setting
Range
Selector
Page 1
) , 7 5 6 - 6 5
Page 2
Light Sensor
Eyeball
4 5/8" (115mm)
WPC-5621K
Daylight Sensor Switch
Delay Setting
Set Point Slider
2 HA I I > K JJ J J C C A > A JM A A H =
= @ JA I J @ A 2 HA I I = @ D @ > K JJ B H
! I A ? J @ A = ? JEL = JA K EJ
/ HA A - ,
! E K JA , A = O
H = 7 I A
4 A @ - ,
# 5 A ? @ , A = O
6 A I JE C O
30° swivel
9 D A JD A A = I K HA @ EC D J EI M EJD E @ A = @ > = @
H= C A B I E@ A H I A JJE C
> JD - , I B= I D
Deadband
Slider
Range ! B?
Setting $ B?
#
B?
B? #
#
Deadband
Slider
+ O ? E C A BBA ? JI ? = D = F F A M D A
JD A EC D J JD = J EI I M EJ? D A @
= BBA ? JI JD A I A I H
1 ? HA = I A @ A = @ > = @ J
F HA L A J ? O ? E C A BBA ? JI
9 D A A = I K HA @
EC D J EI D EC D A H JD =
JD A I E@ A H I A JJE C JD A
/ HA A - ,
EI
9 D A A = I K HA @
EC D J EI M A H JD =
JD A I E@ A H I A JJE C
JD A 4 A @ - ,
EI
1 5/8"
(42mm)
1"
(25mm)
Bright Light
LED (green)
Dim Light
LED (red)
Setpoint
Slider
. . 6 E A , A = O * K JJ
2 HA I I > K JJ J J C C A > A JM A A JD A ! E K JA @ A = O HA C K = H @ A = @
JD A # I A ? @ @ A = O JA I J @ A 7 EJ M E = K J = JE? = O HA L A HJ J JD A !
@ A = BJA H $ E K JA I 6 D A ! E I A JJE C F HA L A JI B= I A JHEF F E C M D E? D
= O ? ? K H I D K @ = F A HI H ? K @ JA F H= HEO = BBA ? J JD A EC D J HA = ? D E C
JD A I A I H 6 D A JE A @ A = O > K JJ ? = = I JK H JD A I A I H BB F HA I I
= @ D @ JD A > K JJ B H ! I A ? @ I 9 D A O K I M EJ? D JD A I A I H . .
JD A I A I H M E EI I K A = . . I EC = BEHI J
5 A J 2 E J 5 E@ A H 4 = C A 5 M EJ? D
6 D A EC D J A = I K HA @ > O JD A I A I H EI JO F E? = O J B JD = J E ? E@ A J
JD A B H H M H I K HB= ? A . H BBE? A H JH= BBE? = HA = I = C @ EC D J
A L A EI $ B J? = @ A I = F F H N ! B? = J JD A @ A JA ? J H
1 EJE= I A J K F 5 A J H= C A I A JJE C J JD A $ B J? = @ A H= C A EB B H EI
@ = H O ? HA @ H JD A B J? = @ A H= C A EB B H EI EC D JO ? HA @
5 A J I A JF E J I E@ A H J # , A = @ > = @ I E@ A H J #
. H B= ? J HO = HA = I HA G K EHE C > HEC D JA H EC D J K I A D EC D A H = @ K I J A JI
- N F A HE A J= JE EI HA G K EHA @ J > J= E > A I J HA I K JI
, A = @ > = @ 5 E@ A H
1 EJE= O I A J I E@ A H J # K I K = O JD EI EI I K BBE? EA J 0 M A L A H JD A EC D J JD = J EI
I M EJ? D A @ = O = BBA ? J JD A I A I H HA = @ E C A K C D B H JD A I A I H J
I M EJ? D JD A EC D J > = ? . . = @ = JA H > = ? @ K A J = ? B EC D J 6 D EI EI
? = A @ ? O ? E C 6 F HA L A J ? O ? E C E ? HA = I A JD A @ A = @ > = @
3 7 1+ + - + 6 1 / 7 1, -
6 D A 9 2 + # $ I A I H ? = > A K I A @ B H = L = HEA JO B I M EJ? D E C
? EH? K EJI 1B = F I I E> A ? EH? K EJ ? BEC K H= JE I = HA J > A = @ A = L = E= > A
? A ? J I A L A M EHA I BH JD A I A I H J JD A D I J HA = O F = A 1B = M =
I M EJ? D EI > A E C K I A @ J A = > A @ EI = > A JD A I A I H = = @ @ EJE = JM
M EHA I = HA A A @ A @ BH JD A I M EJ? D J JD A I A I H H HA = O F = A
5 2 - + 1. 1+ ) 6 1 5
9 2 + # $ , = O EC D J 5 A I H 5 M EJ? D
2 M A H
_ 2 M A H HA G K EHA A J " 8 ) +
+ = I I M 8 J= C A @ A L E? A
! )
_ 2 M A H H= JE C @ A I J E ? K @ A F M A H K I A @ J I M EJ? D HA = O I
- = > A , EI = > A
_ 6 D A I A I H D = I = - = > A , EI = > A JA H E = M D E? D I J= HJI = @
I J F I JD A I M EJ? D E C = ? JE B JD A I A I H 6 D A I A I H M E O
M H EB JD EI JA H E = D = I " 8 ) + I K F F EA @ J EJ
K JF K JI
_ - K JF K J ? F = JE> A J = @ A I B , K C = I M EHA HA = O
+ A ? J = = N E K B " HA = O I & ) 9 / ( #
_ ) K N EE= HO ? J= ? J K JF K JI ? J= ? J H= JE C I ) ! 8
6 M B H ) ? J= ? JI A B H I EC = A B H . . I EC =
2 D J ? A ) @ K I J A JI
_ 5 A I E C A A A J EI F D J @ E @ A JO F A JD = J EI ? H ? HHA ? JA @ J
= J? D JD A 2 D J F E? ? K HL A
_ 4 = C A I ! $ = @ # B J? = @ A I
_ 6 D A HA EI = 5 A JF E J = @ K I J A J = @ = , A = @ > = @ = @ K I J A J
JD A 9 2 + # $ I A I H
_ 6 E A @ A = O B I M EJ? D E C HA I F I A EI I A A ? J= > A > A JM A A # I A ?
B H JA I JE C = @ ! E B H H = K I A
- L EH A J
_ 1 @ HI I J= JE = HO L E> H= JE C ? HH I EL A = J I F D A HA
= @ ? @ A I E C D K E@ EJO
_ ) > EA J F A H= JE C JA F A H= JK HA
# . J " . # + J $ +
6 - 5 6 1 /
6 A I J JD = J JD A 5 A I H D = I 2 M A H = @ EI - = > A @
_ 4 A L A JD A ? L A H F = JA BH JD A BH J B JD A 9 2 + # $
- I K HA JD A JE A @ A = O I M EJ? D EI JD A # I A ? H ! E F I EJE
A B JD A - , I EI H > JD - , I = HA B= I D E C
_ 1B JD A - , I = HA . . JD A JD A I A I H EI I J E A O J A = > A @
1 = @ @ EJE J JD A " 8 F M A H JD A I A I H HA G K EHA I = " 8 A = > A
I EC = J BK ? JE 5 A A 2 - 4 ) 6 1 / 5 - 3 7 - + - B H BK HJD A H
@ A J= EI - I K HA JD = J JD A A = > A I EC = EI = @ JD = J JD A I A I H
D = I " 8 F M A H 1B JD A - , I = HA I JE . . JD A I A I H EI
@ A BA ? JEL A
6 A I J JD = J JD A 5 A I H 5 M EJ? D A I JD A EC D JI = @ . .
_ 5 A J JD A 6 E A , A = O I M EJ? D J JD A 2 M A H . . F I EJE
1B EC D JI = HA JD A O I D K @ JK H . .
_ 5 A J JD A JE A @ A = O I M EJ? D > = ? J JD A # I A ? F I EJE = @ ? L A H
JD A I A I H M EJD O K H D = @ 6 D A EC D JI I D K @ I M EJ? D
4 A L A O K H D = @ = @ > I A HL A EB JD A > HEC D J A @ ? A I 1B
J = @ K I J JD A I A JF E J I JD = J JD A > HEC D J - , ? A I 9 D A
EJ @ A I JD A EC D JI I D K @ I M EJ? D . . = BJA H # I A ? @ I
_ 1J EI F I I E> A J M EHA JD A I A I H I JD = J O H O . .
I EC = I HA I K J 1B JD A I A I H EI O I M EJ? D E C H . . ? D A ?
JD A ? EH? K EJE C B JD A I A I H 5 A A + - + 6 1 5
- = > A , EI = > A + EH? K EJE C B H BK HJD A H @ A J= EI
! 6 H K > A I D JE C
_ 1B JD A I A I H = F F A = HI J > A BK ? JE E C 5 A I H I - , I = HA
@ K > A ? D A ? JD = J JD A ? EH? K EJ F M A HE C JD A = F M H I
_ 6 D A I A I H @ A I J ? JH JD A = F I ? EH? K EJ @ EHA ? JO 1J
I M EJ? D A I = HA = O H I EC = I I A JD A H I O I JA JD = J = ? JK = O
I M EJ? D A I JD A = F I ? EH? K EJ = @ . . + D A ? JD = J JD A I A I H
I EC = E C ? EH? K EJ EI ? HHA ? JO ? A ? JA @ 6 HO J = ? JK = JA JD EI I EC =
? EH? K EJ M EJD = HA = O I M EJ? D H ? J= ? J ? I K HA @ A F A @ E C K F JD A
? EH? K EJ 1B JD A ? EH? K EJ M H I JD A I A I H EI JD A E A O @ A BA ? JEL A

5 M EJ? D E C K F - = > A
Page 4
= . . I EC = EB > HEC D J
> I EC = EB EC D J E @ A = @ > = @
? I EC = EB > HEC D J
, = O EC D J 5 A I H
5 M EJ? D E C > O
? D = C A @ EC D J A L A I
JI B = JK H= EC D J
EC D JI . .
Page 3
2 = HJO ? K @ O
EC D J A L A E @ A JA H E = JA
EC D JI = O > A H . .
+ K @ O = @ , = H
5 M EJ? D EC D JI
, A = @ > = @ EJI - BBA ? J 5 M EJ? D E C
) K N + J= ? JI
4 A = O K JF K J
EC D JI . .
5 A JF E J F K I
@ A = @ > = @
5 A JF E J
EC D JI
5 A JF E J E K I
@ A = @ > = @
. .
$ B?
" B?
! B?
& B?
5 M EJ? D E C K F , EI = > A
B?
! E
@ A = O
. .
6 E A + ?
% )
" 8 ) +
- = > A
) K N ? J= ? J F A I
> A B HA JD A H ? I A I
! E
@ A = O
+ I A @ H . . = K N EE= HO ? J= ? J F A I
4 A = O K JF K J I EC = I . .
. . = K N EE= HO ? J= ? J F K I A I ? I A @ B H I A ?
, = O EC D J 5 A I H
6 E A
6 E A + ?
% 2
" 8 ) +
, EI = > A
5 - 3 7 - + - . 2 - 4 ) 6 1
6 D A @ A I ? HEF JE > A M EI = JO F E? = I A G K A ? A B F A H= JE JD = J K JEE A I
JD A BA = JK HA I = @ ? JH I B JD A 9 2 + # $
2 A = I A HA BA H J F = C A ' > B H = C H= F D E? JE A E A I D M E C JD A I A I H I
I M EJ? D E C I A G K A ? A
- = > E C 5 A I H
1J EI EC D J JE A = @ JD A > K E@ E C I F = ? A EI K ? ? K F EA @ ) EC D JI = HA
. . = @ JD A @ = O EC D J I A I H EI @ EI = > A @
) J % ) = JE A ? ? A = > A I JD A I A I H > O = F F O E C " 8 ) + J
JD A A = > A @ EI = > A JA H E = B JD A I A I H
! 9 D A JD A I A I H EI A = > A @ EJ M E A = I K HA JD A EC D J A L A F HA I A J
= @ HA I F @ M EJD E I A ? @ HA C = H@ A I I B JE A @ A = O I A JJE C = I
B M I
a) If the light level is above the set point (bright LED is ON), the
sensor will signal the relay output OFF and the Aux OFF
contact closes.
b) If the light level is at the setpoint within the deadband value
(both LEDs are flashing) the sensor will make no relay signal
and the Aux contacts stay open.
c) If the light level is below the set point (dim LED is ON), the
sensor will signal the relay output ON and the Aux ON
contact closes.
H = F A H= JE
" 6 D H K C D K J JD A @ = O JD A EC D J I A I H A = I K HA I JD A EC D J A L A = @
I M EJ? D A I EC D JI . . = @ E I JA F M EJD JD A = K J B = JK H=
EC D J F HA I A J 9 D A JD A H > A ? A I > HEC D JA H BH = JK H= EC D J
JD A I A I H I EC = I . . = @ I D K @ JD A @ = O > A ? A ? K @ O = @
@ = H JD A I A I H I EC = I J I M EJ? D EC D JI
# 6 - 6 = A ? = HA M D A > I A HL E C JD A I A I H 9 D A O K H D = @
= @ H > @ O = HA ? I A J JD A I A I H JD A HA = @ E C M E > A = BBA ? JA @
6 D A - , E @ E? = J HI = M = O I I D M JD A F HA I A J EC D J A = I K HA A J
, A = @ > = @ + JH I
$ 9 D A = JK H= EC D J @ A ? HA = I A I JD A I A I H I A = I K HA A J M E
? H I I JD H K C D JD A I A JF E J = @ = BJA H JD A @ A = O I M EJ? D JD A
EC D JI 6 D A EC D JI M E E ? HA = I A JD A EK E = JE F HA I A J E
JD A H = @ JD A I A I H M E JD A A = I K HA JD A > HEC D JA H EC D J
A L A = @ I M EJ? D JD A EC D JI > = ? . . 6 D A H EI M @ E = @
JD A I A I H A = I K HA I JD A @ E H = @ I M EJ? D A I JD A EC D JI
> = ? = @ I B HJD 6 D EI F D A A EI ? = A @ ? O ? E C
% 6 F HA L A J ? O ? E C JD A I A I H D = I = @ A = @ > = @ I A JJE C 6 D A
@ A = @ > = @ ? = > A I A J BH # J # B JD A I A JF E J I J J=
H= C A 1 ? HA = I E C JD A @ A = @ > = @ = A I JD A I A JF E J M E@ A H 6 D A
I A JF E J I K F F A H L = K A EI M D A HA = . . I EC = ? ? K HI = @ JD A
M A H L = K A EI M D A HA JD A I EC = ? ? K HI
- N = F A $ B J? = @ A H= C A # @ A = @ > = @
, A = @ > = @ EI ! B J? = @ A I B JD A I A JF E J I E@ A H I I A JJE C
- N = F A $ B J? = @ A H= C A # @ A = @ > = @
, A = @ > = @ EI
, EI = > E C 5 A I H
# B J? = @ A I B JD A I A JF E J I E@ A H I I A JJE C
& 6 D A > K E@ E C C H= @ K = O > A ? A I K ? ? K F EA @ = I JD A @ = O @ H= M I
J = ? I A 6 D A EC D JI = O H = O J > A @ A F A @ E C K F
JD A = JK H= EC D J A L A ) J % 2 JD A > K E@ E C EI K ? ? K F EA @
' 6 D A I = A JE A ? ? JD = J A = > A @ JD A I A I H = J %
@ EI = > A I JD A I A I H
) M
9 D A JD A I A I H EI @ EI = > A @ EJ F A I M D E? D A L A H = K N EE= HO
? J= ? J EI ? I A @ M = EJI A I A ? @ = @ JD A I M EJ? D A I JD A
HA = O K JF K J . . = @ F K I A I JD A . . = K N ? J= ? J ? A 6 D A
I A I H JD A I D K JI EJI A B . .
9 D A @ EI = > A @ JD A I A I H M E J I M EJ? D EC D JI 1 JD A H E C
M D A JD A EC D JI = HA = C = E A A @ A @ JD A I A I H EI A = > A @ = @
JD A F A H= JE > A C E I = C = E

K JI E@ A
4 A A ? JE I
Page 5
Page 6
9 E @ M
EC D J 5 D A B
5 A I H
9 E @ M
7 F EC D JI
9 E @ M
+ L A HA @
= F = F = F ) L E@ ? L A HA @
M E @ M I
9 E @ M
9 E @ M
5 A I H
5 A I H
4 ) 4 * 4 +
9 E @ M 9 E @ M 9 E @ M
= F = F
5 A I H
9 = J? D B H
K F EC D JI
EC D J I D A L A I
= F = F = F 7 ? L A H M E @ M
9 E @ M BEJA HI
= F
9 E @ M
9 E @ M 9 E @ M 9 E @ M
= F
5 A I H
5 A I H = F
# J #
= F = F
5 A I H
= F 5 A I H
5 A I H
+ A EE C
9 H 5 K HB= ? A
. H
, J E I J=
? I A J M E @ M I
1 I J=
# J # BA A J
= M = O BH
M E @ M
4 I M EJD
@ EBBA HA J BE EI D
= J? D I A I H
J H BE EI D
LOCATION OF DAYLIGHT SENSOR
Mount so that Sensor's Adjustments are accessible
1) The sensor's adjustments are located under the front, snap-on
cover. Mount sensor only in locations that can be reached with a
step ladder. Mounting sensor at high locations will greatly impede
the sensor from being properly adjusted.
2) If the application requires the sensor to be mounted in an
inaccessable location, use the WPC-5577 remote sensor with a
controller instead of the WPC-5621K.
Mount Away From Windows
1) The WPC-5621K is intended for rooms with windows on one or
two sides. Window measurements are not representative of light
that is inside the room. The ceiling by the window can have less
light than what is actually in the room. The ceiling by the window
can also capture reflections from outside. Do not install the sensor
right at the window.
2) Locate the WPC-5621K at least 5 to 15 feet away from the
window and, if possible, at least 5 feet away from interior walls.
This will locate the sensor to a spot that measures the actual
amount of light (natural and artificial) at an indoor location.
3) The sensor lens can be tilted to help better aim the sensor to
obtain the light from the correct surface.
Mount Away from Uplights and Light Shelves
1) Watch that the sensor is not receiving light from direct sources
such as light shelves and uplights.
2) If there are light shelves or uplights, locate sensor under up light
or at a location on the ceiling that has little illumination from the
light shelf or uplight.
Sharing a Sensor over Several Rooms
1) A sensor can be located so that a large area of lighting is
controlled. This works best for locations that have a common
finish and common orientation to the natural light.
2) A common application is for corridors and walkways that have
windows along one side. Another application can be for
insititutional open spaces such as cafeterias, lobby areas and
some open office plans.
3) For individual office spaces, daylight sensor operation may have
limited success. First, it is usually not possible to share a sensor
for several rooms due to different finishes. Second, it is
disconcerting for the occupant when the lights abruptly switch.
4) A solution is to install a sensor in each room. This can be a costly
approach. Another, possibly better, alternative would be to use a
dimmable ballast and the less costly regulating daylight sensor
WPC-5700 and an ON/OFF switch (relay or line voltage type) to
switch the ballast.

7 6 1 / ? J= C * N
+ @ K EJ 2 = ? A A J
6 D A 9 2 + # $ , = O EC D J 5 A I H D = I = M = JJH= ? JEL A F H BEA M D A
K JA @ = ? A EE C 6 = ? ? F EI D JD EI = B JD A A A ? JH E? I = @
JD A A I A ? D = EI B JD A @ A JA ? J H BEI JD A E I E@ A B = ? J= C > N
+ @ K EJ K I J > A = JJ= ? D A @ = J F F I EJA A @ I B JD A > N + @ K EJ
= JJ= ? D A @ = J HEC D J = C A I J > N M E E JA HBA HA M EJD JD A @ A JA ? J H ? = I A
6 = A ? = HA M EJD F I EJE E C ? @ K EJ J ? J= C > N
K JE C 0 A 2 I EJE
6 D A 9 2 + # $ , = O EC D J 5 A I H EI
M A = > A A @ J D A F K I A HI A = I EO
K @ A HI J= @ D M J = @ K I J JD A I A I H
6 D A = > A ? L A HI B JD A F = EHI B
K JE C D A I = L = E= > A B H ? J= C
> N E I J= = JE I 6 D A = > A EI = @ A B
L E O = @ ? = > A F A A A @ > = ? J C = E
= ? ? A I I J JD A D E@ @ A F = EH B K JE C
D A I EB A A @ A @ 0 M A L A H JHO J = L E@
JD EI E ? L A EA ? A = @ F I I E> O
@ = = C E C JD A = > A
6 = A ? = HA J F I EJE ? @ K EJ M EJD
HA I F A ? J J JD A K JE C I ? HA M I F I EJE
? J= C * N , A F JD
7 I A = @ A A F ? J= C > N E E K
6 D EI M E = M HA I F = ? A B H M EHA I 1B
JD A > N EI J @ A A F A K C D JD A
K JE C 5 F = ? A H 4 E C M E D A F J
F H L E@ A HA I F = ? A = J JD A A N F A I A B
JD A M F H BEA = F F A = H= ? A
Page 7
7 6 1 / 5 E C A / = C 5 E A 9 = * N
Page 8
Visible Mounting holes
in label located
as shown
2"
Deep
Minimum
Screws
Snap-on
Cover Plate
6 D A 9 2 + # $ , = O EC D J 5 A I H ? = = I > A K JA @ J I E C A
C = C I E A M = > N A I 6 = A ? = HA J K I A @ A A F > N A I
7 6 1 / 2 = I JA H 4 E C
; K K I J ? D A ? J A I K HA JD = J JD A F A E C B JD A F = I JA H HE C EI = HC A
A K C D B H JD A 9 2 + # $ = O F = I JA H HE C I D = L A H K @ A @
? H A HI M D E? D > I JHK ? J JD A @ A JA ? J H BH BEJJE C JD H K C D JD A HE C I
7 6 1 / K JE C 5 F = ? A H 4 E C
6 D A K JE C 5 F = ? A H 4 E C
D = I K I A I 1J ? = > A K I A @
= I = I F = ? A H J = M JD A
9 2 + # $ J BEJ E J
I D = M > N A I H EJ ? = > A
K I A @ J K J JD A @ A JA ? J H
J ? A EE C JEA + D A ? ? =
BEHA HA C K = JE I HA C = H@ E C
? A EE C JEA E I J= = JE I
I J E A O F A K H= JA @
? = > A EI A ? A I I = HO
Screws
Snap-on
Cover Plate
Shallow Octagon Box
Sensor
Mounting / Spacer Ring
Outline of
Sensor Case
Sensor
Conduit
Placement
NOT OK
Mounting Screw
Position
NOT OK
Ceiling Tile
Screws
1 1/2"
Deep
Minimum
Snap-on
Cover Plate
Screws
Snap-on
Cover Plate
Outline of
Sensor Case
Sensor
Sensor
Plenum Rated
Cable
Mounting / Spacer Ring
Conduit
Placement
OK
Mounting Screw
Position
OK
Mounting / Spacer Ring
+ K J = ! N " D A E J JEA
5 A ? K HA M EJD K JE C 5 F = ? A H 4 E C

+ - + 6 1 5
/ A A H= 1 B H = JE
_ 6 D A 9 2 + # $ , = O EC D J 5 A I H D = I I A L A H= E F K JI = @ K JF K JI
_ ; K H = F F E? = JE = O K I A I A H = B JD A E F K JI = @ K JF K JI
6 D A B M E C F = C A I I D M L = HE K I I ? D A = JE? I JD = J I D K @
F H L E@ A I K JE I B H I J = F F E? = JE I
Back of WPC-5621K
Page 9
+ - + 6 1 5
9 EHA 5 E A = @ 6 O F A 1 2 4 6 ) 6
_ , J K I A D A = L EA H C = K C A I JD = & ) 9 /
9 EHA I D A = L EA H JD = & M E @ = = C A JD A ? A ? J H = @ M E
F HA L A J JD A @ A JA ? J H BH BEJJE C F H F A HO E J = > = ? > N
_ 5 E@ ? @ K ? J HI = HA HA ? A @ A @ L A H I JH= @ A @ ? @ K ? J HI 1B
K I E C I JH= @ A @ ? @ K ? J HI J= A ? = HA J J D = L A = O I A
I JH= @ I JD = J ? = I D HJ J JD A = @ = ? A J JA H E =
Page 10
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
COM
OFF
ON
WHITE
RED
2 M A H
6 D A 9 2 + # $ 5 A I H HA G K EHA I " 8 ) + B H F M A H 6 D A
K EJ K I A I ! $ ) B ? K HHA J J F A H= JA 2 M A H K I A @ J I M EJ? D
HA = O I EI = @ @ EJE =
- = > A , EI = > A 1 F K J
) F F O E C " 8 ) + J JD EI JA H E = A = > A I JD A K EJ J
BK ? JE 4 A L E C JD A " 8 @ EI = > A I JD A I A I H
6 D A I A I H K I J > A A = > A @ J F A H= JA 7 I A = JE A ? ? J
A = > A = @ @ EI = > A JD A I A I H J BK ? JE @ K HE C D K HI B
? ? K F = ? O 1B JD A I A I H EI J F A H= JA B H " D K HI K F A H
JD A " 8 ) + F M A H J JD A A = > A JA H E = I
7 F A = > A JD A I A I H J= A I = HA = @ E C = @ I M EJ? D A I JD A
EC D JI . . H @ A I JD E C EB JD A ? K HHA J EC D J A L A EI
M EJD E JD A @ A = @ > = @ = HA =
) K N EE= HO + J= ? J K JF K JI
6 D A = K N EE= HO ? J= ? JI = HA H= JA @ = J ! 8 JI ) F
6 D A HA = HA B H ) ? J= ? JI I K F F EA @ 9 D A JD A I A I H EI
A = > A @ = @ JD A EC D J A L A EI E JD A @ A = @ > = @ A > JD
? J= ? JI M E HA = E F A 1B EC D JI = HA J > A I M EJ? D A @
@ E EC D J A = I K HA JD A ? J= ? J M E ? I A . H EC D JI
. . > HEC D J EC D J A = I K HA JD A . . ? J= ? J ? I A I
9 D A JD A I A I H EI @ EI = > A @ JD A ? I A @ ? J= ? J M E F A
= @ JD A . . ? J= ? J M E F K I A ? A B H I A ? @
, K C = I 4 A = O K JF K J
6 D A 9 2 + # $ 5 A I H D = I = , K C = I HA = O K JF K J
? F = JE> A M EJD = @ A I B , K C = I ) F
% % ! " % 8 ) + = J? D E C M EHA HA = O I
6 D A HA = O K JF K J I M EJ? D A I E I JA F M EJD JD A ) K N EE= HO ? J= ? JI
Use
#18 AWG
SOLID
Screw type
terminals

+ - + 6 1 5
- = > A , EI = > A
6 D A - = > A , EI = > A JA H E = EI K I A @ J A = > A JD A I A I H I BK ? JE
+ JH B JD A - = > A , EI = > A JA H E = EI K I K = O HA G K EHA @ B H I J
E I J= = JE I 6 D A I A I H EI O HA G K EHA @ J I M EJ? D JD A EC D JI @ K HE C
? ? K F EA @ JE A I JD A HM EI A EJ I D K @ J I M EJ? D EC D JI
Page 11
Page 12
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
COM
OFF
ON
WHITE
RED
4 A = O 5 M EJ? D
+ A ? JE C = I M EJ? D @ EHA ? JO J JD A HA = O M E JA @ J @ A BA = J JD A
I A I H I A BBA ? JEL A A I I K I A H L A HHE@ A + JH JD A A = > A JA H E =
E I JA = @ B H A BBA ? JEL A F A H= JE B JD A I A I H
- = > A , EI = > A 4 A I F I A
_ 9 D A JD A I A I H EI A = > A @ EJ J= A I = EC D J
A = I K HA A J = @ I M EJ? D A I M EJD K J = O @ A = O
= I B M I
EB A = I K HA A J EI @ = H
JD E C EB A = I K HA A J EI E @ A = @ > = @
! . . EB A = I K HA A J EI > HEC D J
_ 9 D A JD A I A I H EI @ EI = > A @ EJ F A I = O
= K N EE= HO ? J= ? J JD = J EI ? I A @ = @ JD A
F K I A I JD A . . = K N ? J= ? J ? I A @ B H
I A ? @ 6 D A HA = O K JF K J = I I M EJ? D A I . .
5 A JF E J , A = @ > = @
5 - 6 2 1 6
- = > A 1 F K J
4 A = O K JF K J
+ J= ? J K JF K JI
+ J= ? J
. . + J= ? J
* HEC D J - ,
EC D JI . .
, E - ,
EC D JI
5 A JF E J , A = @ > = @
, A = @ > = @ ( 4 = C A $
Sw
$ B?
" B?
! B?
& B?
Enable switch
or time clock
contact
Relay
5 M EJ? D E C
E @ A = @ > = @
K F A = > A
Transformer
W
24VAC
B
H
. = I D E C
A @ I M D A
EC D J E
@ A = @ > = @
Breaker
Lights
. . . . . . . .
) K N ? J= ? J F A I
> A B HA JD A H ? I A I
!
6 1 -

Page 13
Page 14
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
COM
OFF
ON
WHITE
RED
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
COM
OFF
ON
WHITE
RED
Enable switch
or time clock
contact
+ - + 6 1 5
, K C = I 4 A = O I
6 D A , K C = I HA = O K JF K J BK ? JE I JD A I = A = I = I J= @ = H@ , K C = I
HA = O I M EJ? D 1J ? = EI I K A = K EG K A H . . F K I A ? F = JE> A M EJD
, K C = I 4 A = O I
5 M EJ? D HA JD = " , K C = I HA = O I M EJD JD A I A I H I HA = O K JF K J
) B JD A HA = O I M E I M EJ? D J C A JD A H
5 D K @ HA HA = O I A A @ J > A ? JH A @ ? A ? J JD A HA = O K JF K J J
= , K C = I HA = O I ? = A H E F K J
Relay
" 4 A = O I
= N E K
Enable switch
or time clock
contact
Transformer
W
24VAC
B
1
2
3
4
5
6
7
8
9
10
11
12
W
B
H
Breaker
Lights
Lights
Lights
Lights
+ - + 6 1 5
, K C = I 4 A = O 5 ? = A HI
6 D A , K C = I HA = O K JF K J BK ? JE I JD A I = A = I = I J= @ = H@
, K C = I HA = O I M EJ? D = @ ? = > A K I A @ J I M EJ? D = HA = O I ? = A H
1B = = HC A K > A H B HA = O I A A @ J > A I M EJ? D A @ K I A = , K C = I
HA = O I ? = A H
Transformer
W
24VAC
B
WR-8824
Relay
Scanner
Aux ON
Aux Com
Aux OFF
Douglas Sw
Blue Return
ON
OVERRIDE
OFF
OVERRIDE
7 I A 4 A = O 5 ? = A H
J I M EJ? D HA HA = O I
13
14
15
16
17
18
19
20
21
22
23
24
Relays
Lights

Page 15
Page 16
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Detection Electronics
Operates Switcher
when motion detected
Switcher
Pulse Maintained
. .
. .
. .
. .
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
Back of WRM-5104 Detector
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Slave Input #1
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
WHITE
BLUE
COM
ON
WHITE
RED 1
RED 2
RED 3
RED 4
COM
OFF
ON
WHITE
RED
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
COM
OFF
ON
WHITE
RED
+ - + 6 1 5
+ J= ? J K JF K JI J JD A H 5 O I JA I
6 D A @ = O EC D J I A I H D = I = K N EE= HO ? J= ? JI A B H
= @ A B H . . 7 I A JD A I A ? J= ? JI J I EC = JD A H
? JH I O I JA I
Transformer
W
24VAC
B
Common
OFF Input
ON Input
- = > A
+ JH
* K E@ E C ) K J = JE 5 O I JA
+ - + 6 1 5
, = O EC D J 5 A I H = @ ? ? K F = ? O , A JA ? J H
The WPC-5621K can be circuited in combination with a WRM-5104
occupancy detector. When the WRM-5104 detects motion, it signals
lighting circuits ON and enables the daylight sensor to control a
lighting circuit in step with the natural light level.
The enable circuit controlled by the occupancy detector can also have
a switch connected in series permitting the user to disable the sensor
so that lights are switched OFF. This is a common requirement for
classrooms or lecture rooms with video presentations.
5 M
5 M
5 M
5 M
(OPTIONAL)
Relay Switches
(OPTIONAL)
Enable Switch in series
with enable contact from
the occupancy sensor
W
24VAC
B
Transformer
Relay
Lights
Lights
Lights
Lights
Lights

Page 17
Page 18
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
Back of WPC-5621K
PHOTO
ELECTRONICS
Pulse
Action Maintained
Action
OFF
ON
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
Auxilary Contacts
Rating: 1Amp, 30V
Relay Switching Power
Switching Pulse to
Douglas Relay
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
COM
OFF
ON
WHITE
RED
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
Auxilary Contacts
Rating: 1Amp, 30V
COM
OFF
ON
OFF
ON
Relay Switching Power
Switching Pulse to
Douglas Relay
WHITE
RED
24VAC
POWER
RETURN
REMOTE
ENABLE
RETURN
COM
OFF
ON
WHITE
RED
H = + A ? JE
. . 4 A = O 5 M EJ?D E C
. . O 5 M EJ? D E C
4 A = O ?= J > A IM EJ?D A @
> O IA I H
2 D O I E? = 5 D = F A
O 5 M EJ? D E C
. . K F IA I H @ EI= > A
2 D O I E? = 5 D = F A
6 ; 2 1+ ) 5 9 16 + 0 1 / 5 - 3 7 - + - B H 9 2 + # $
5 A JF E J
, A = @ > = @
5 - 6 2 1 6
5 A JF E J
, A = @ > = @
- = > A 1 F K J
4 A = O K JF K J
+ J= ? J K JF K JI
+ J= ? J
. . + J= ? J
* HEC D J - ,
EC D JI . .
, E - ,
EC D JI
, A = @ > = @ (
4 = C A $
$ B?
" B?
! B?
& B?
B?
$ )
6 E A
, A = O
- = > A
* E
6 E A
, A = O
5 K HEI A
. .
Relay
Relay
Relay
Transformer
W
24VAC
B
H
Transformer
W
24VAC
B
H
Transformer
W
24VAC
B
H
5 K O
Breaker
Lights
Breaker
Lights
Breaker
Lights
6 E A
, A = O
+ - + 6 1 5
. . O H O 4 A = O 5 M EJ? D E C
_ 6 D A - = > A , EI = > A JA H E = EI K I A @ J A = > A = @ @ EI = > A JD A
@ = O EC D J I A I H 7 F A = > A JD A I A I H M E I EC = . . H
@ JD E C @ A F A @ E C K F JD A ? K HHA J EC D J A L A ) BJA H A = > A
JD A I A I H M E I EC = E I JA F M EJD JD A A = I K HA @ EC D J A L A = I EJ
? D = C A I A K C D J ? H I I JD A I A JF E J 7 F , EI = > A JD A I A I H
M E I EC = . .
_ 1 I A = F F E? = JE I EJ EI @ A I EHA @ JD = J JD A I A I H O I M EJ? D
H O I M EJ? D . . 6 D EI ? = > A = ? D EA L A @ > O E I J= E C = @ E @ A
E J JD A A = > A @ EI = > A ? EH? K EJ 6 D A @ E @ A M E B H? A JD A I A I H J
I M EJ? D JD A , K C = I HA = O K JF K J E JD A O H . . O
= A H 6 D A ) K N ? J= ? JI = HA J E D E> EJA @ > O JD A @ E @ A = @ M E
= M = O I BK ? JE
_ 7 F , EI = > A JD A I A I H M E I M EJ? D JD A HA = O K JF K J . . A L A EB
JD A O F JE EI I A A ? JA @
, = H
+ K @ I
6 E A
, A = O
. .
2 = HJO
5 K O
6 E A
, A = O
, K I
, EI = > A
. .
6 E A
, A = O
5 K I A J
6 1 -

www.DouglasLightingControl.com
WARRANTY
DOUGLAS products are warranted for one year from the
date of purchase by the consumer against defects due
to materials and the company's worksmanship only. The
sole obligation hereunder shall be to repair, or at the
company's option to replace, products as aforesaid,
provided same are returned, upon authorization,
'Transportation Prepaid' to the company's Burnaby,
CANADA office within the said period. Defects or failures
due to improper or careless installation, storage or
handling, or usage other than rated conditions, are
specifically excluded from this warranty. No liability is
accepted for return transportation charges following
repair or replacement as aforesaid or for reinstallation
costs. No other liability of any nature or kind, whether
arising out of or from the use of the product, whether or
not defective, is assumed.
DOUGLAS lighting controls reserves the right to cancel or
change items shown in this publication without notice.