Technical Data; Function Diagram; Presentation - LEGRAND LEXIC Rex2000 D21SN Manual De Instrucciones

Time switch
Rex2000 D21SN
037 81, 037 82, 037 83
Safety notice
• Assembly and installation of this product may be carried out by a specialist only. • To guarantee electrical safety the product has
to be installed in the applicable product specific environment with all accessories included in the delivery. • To ensure electromag-
netic tolerance as required by the provisions to identify CE- products in applicable ambits of EMV 89/336/ CE-lines, adequate pro-
tective measures have to be found for consumers of high voltage dropout - current ( for example motor run devices or lamps
exceeding power rating of 800W ) or commutation – times < 24 seconds. • Modification of the product results in the loss of all war-
ranty claims. • In case the time switch is installed between exothermal facilities causing an ambient temperature of over 55°C, a
vacuum has to be created between the exothermal facilities and the time switch ( f. e.
1 vacuum module, stock number 044 41.
Function
The Rex 2000 D21SN is a digital 7 day time switch with a circular segmented display for general rail mounting use.The
time switch is provided with a control contact which can control the relay output for a set time up to 23h59m. Up to 8 pro-
gram pictures can be set. A program picture incorporates both On and OFF time. If no button is pressed during program-
ming for 60 seconds the time switch goes back to the start position. The copy function enables program to be copied to
other days. Minimum switching time is 1 minute. The delay time can be set from 0:00 to 23h59. The switching times are
protected but can be overlaid by other programs. Programs are displayed with a minimum segment size of 30 minutes.
The time and the week days are presented digitally. The summer-/winter changeover can be programmed for hand or
automatic operation.

Presentation

Summer/winter
Real time,
switching time
Actual day of the week
or program day
Segment display of the
existing program
1 segment = 30 minutes
Symbol for
active control contact
Button Menu
activates the menu or
breaks off the process
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Technical data

Supply voltage:
Consumption:
Contact rating:
Accuracy:
Terminal capacity:
Program pictures:
Battery reserve:
Control line length:
Control signal:
Storage ambient:
Working ambient:
1 ⁄ vacuum module, stock number 044 40 or
2
Menu
SET TIME CHECK... ON
Day/month/year
PROG DATE NEW...OFF
SU/Wi D/M/Y
Symbol for automatic operation
24
Symbol for manual override
18 6
Symbol for continuous override on
1234567
Symbol for continuous override off
12
State of contact
ON
OFF
MENU OK
Button OK
confirms the input
Button moves the flash
Button minus and plus
Supply failure
changes the values
Mains failure will be displayed by no U.
Buttons are inoperative. Reset is possi-
ble.
037 81 037 82 037 83
230V 50/60Hz 120V 50/60Hz 24V AC/DC
ca. 0,8W
changeover contact 16A 250V~µ cos ϕ = 1
±1 s/day under typical installation conditions
single strand multi strand
1,5 to 4 mm 2 1,5 to 2,5 mm 2
56
10 years
max 20m
230V 50/60Hz / control impuls ≥ 400 ms
-20°C to +60°C
-20°C to +55°C
1200W 1200W 2300W

Function diagram

The control signal has to be available ≥ 400ms for the control contact to
release a switching order.
The control contact takes priority over hand on/off and continuous swit-
ching. The delay time starts when the control signal is switched off.
Connection
For saftety, when the
time switch is connected
to the mains supply the
contact should not be
used on an isolated low
voltage supply. When
the time switch is con-
nected to the isolated
voltage supply the con-
tact should not be used
on the mains supply.
L
N
Parallel com-
pensation:
60VA max.
7µF
1800W 2300W
Program
1
0
control
1
contact
0
Relay
1
output
0
t
delay time
1. Starting
Reset 1 Switching program remain
MENU
Press together
Reset 2 Switching program deleted
Press all 5 buttons together.
MENU
First release button , after 3 seconds release
all other buttons.
2. Setting actual time
Button MENU activates the menu.
Select SET TIME... with button and confirm
OK
with button . Confirm once more
OK
SET TIME with button .
Set actual hour with buttons and confirm
with button OK .
Set actual minute with buttons and confirm
with button OK .
GB
Operating instructions
®
control
contact
100W 1800W
t
24
18
6
1234567
12
SET TIME
1234567
24
18 6
1234567
12