Schrack Technik Tempus Lux BZT27731 User manual

Installation and
operating instructions
310380 01
GB
Correct connection required for smooth zero
crossing switch operation (see connection diagram)!
BZT27731
Lux
2000
2
123
MENU OK
1
0 6 12 18 24
2,5mm2
0,5mm -
2
230
-
2
4
0
V~220-240V~
50-60Hz
16A-10AX
2600 W
250V~
8mm
R10a –30T
1-2-3
1-2
BTZ27731
Tempus Lux
Digital Photoelectric Switch
BZT27731
DGB CZ
PL HR

Contents
Basic safety instructions 3
Display and keys/operating instructions 4
Overview of menu selection 5
Connection/installation 6
Connection/installation of light sensor 7
Initial start-up 8
Set lux values 9
Menu item LIGHT
Set delay 10
Menu item PROGRAM
Set switching time 11
Menu item MANUAL
Manual and permanent switching 12
Menu item OPTIONS
Enter PIN code 13
Technical data 14
Service address/Hotline 14
2

Basic advice
• The device is designed for installation on DIN top hat rails (in accordance with EN 60715)
• Power reserve (10 years)
Designated use
• The digital sun relay is used for lighting equipment (streets), external stairways, display
windows, entrances etc.
• Only use in enclosed dry spaces (equipment); sensor is installed in the open-air
Disposal
Dispose of equipment in an environmentally-friendly manner
Danger of death through electric shock or fire!
 Installation should only be carried out by a professional electrician!
WARNING
3
GB

4
Screen display and keys Operating instructions
Time display
Date display
Channel status
ON OFF
 MENU
– Activate screen
– Open menu
– Cancel menu
– ESC (leave menu)
YES
Confirmation
Press
OK
NO
Alter/ change
Press
 
 OK
– Store selection
– Confirm
selection
  
Selection options
are displayed
Days of the week from
1 to 7
Display of active keys
with relevant function
Programmed ON
switching times
bbbb
1. Read text line
Flashing text/symbol
represents query
bbbb
2. Make a decision
0 6 12 18 24

5
Overview of menu selection
LIGHT
MENU
MANUALPROGRAM TIME/DATE OPTIONS END
PERMANENT
ON
OPERATING
HOURS METER
PERMANENT
OFF
MANUAL ON
TIMER
HOLIDAY
LCD
ILLUMINATION
LANGUAGE
     
END
FREE 56
NEW
VIEW
CHANGE
DELETE
PIN
FACTORY-
SETTINGS
INFO
END
ON DELAY
ON DELAY
END
END
TIME
DATE
SUMMER--
WINTER
WEEKDAY
DATE
FORMAT
DATEFORMAT
END
19 10 08
OFF
9:4046
GB

6
Connection/installation
Connect cable
 Strip cable by 8 mm (max. 9).
 Insert cable at 45° in the open terminal
(2 cables per terminal position possible).
 Press screwdriver downwards to open spring
screwless terminal.
Warning, danger of death through electric shock!
 Must be installed by a professional electrician!
 Disconnect power source!
 Cover or shield any adjacent live components
live components.
 Ensure device cannot be switched on!
 Check power supply is disconnected!
 Earth and bypass!
WARNING
45° cable
Spring
screwless
terminal NC
contact
Test tap
Spring screwless
terminal

7
Connection/installation of light sensor
 Take length of connection cable into account
max. 100 m 2 x 1,5 mm2, max. 50 m 2 x 0,75 mm2
 Avoid running sensor wiring wiring parallel to
 mains power cables. 0,5–2,5 mm2, strip cable by 10 mm
(max. 11 mm).
Installing light sensor Mounting light sensor
50 m
GB

GERMAN
KEEP
PROGRAM
Initial start-up
Set language, date, time as well
as summer/ winter time
Press required key and display follows
on screen (see fig).
DATE
FORMAT
SUMMER-
WINTER GB/ IRL/P
SUMMER-WINTER
FIN/ GR/TR
SUMMER-
WINTER CDN
SUMMER-
WINTER USA 07
SUMMER-
WINTER IRAN
SUMMER-WINTER
FREE RULE
SUMMER-WINTER
FIXED DATE
WITHOUT
SUMMER-
WINTER


ok
or 28 02 08
ON
9:4046
YEAR
MONTH
DAY
TIME
FORMAT
HOUR
MINUTE
SUMMER-
WINTER
EUROPE
8

9
Set lux values
The sun relay with external light sensor controls lighting
equipment for streets, stairways, entrances etc.
Set desired range from I-V with a screw tab a screw-
driver on the potentiometer  setting (see fig).
The red LED lights up as soon as the set Lux value falls
below the ambient brightness level.
Lux
2000
2
123
MENU OK
1
0 6 12 18 24
2,5mm2
0,5mm -
2
230
-
2
4
0
V~220-240V~
50-60Hz
16A-10AX
2600 W
250V~
8mm
R10a –30T
1-2-3
1-2
BTZ27731


 Potentiometer for setting brightness:
2–2000 lx
 Red LED for the instantaneous display
of switching status
Brightness values
Daylight (bright) 80,000 lx
Office accommodation 500 lx
Hallways and stairs 100–150 lx
Street lighting 15 lx
Full moon ca. 0.3 lx
GB

Set delay
An on/off delay of 1 minute is preset to
avoid faulty operation caused by lightning,
car headlights etc.
When the delay ends the channel status will
flash ON/OFF.
 Press MENU (see fig.).
LIGHT
10

or
ON DELAY
MINUTE
SECONDS
ON DELAY
MINUTE
SECONDS

Set switching time
(e.g. with a night switch off
at the weekend 23:00–05:00)
 Press MENU (see fig.).
There are 56 available memory
cells.
PROGRAM NEW
VIEW
CHANGE
DELETE
END

ok

ok
same switching time for
several days = block
Switching time
for one day
NIGHTSWITCH
HOUR
MINUTE
MONDAY
LASTS
UNTIL
SAVE
COPY
PLUS TUESDAY
SAVE




11
GB

12
Manual and permanent
switching
Manual and permanent switching can be set
using the menu in MANUAL or (in the auto-
matic screen) by key combination (see fig).
Activate manual switching
 Briefly press both keys simultaneously.
Activate permanent switching
 Simultaneously press both keys for 2 seconds.
Cancelling manual/permanent switching
 Press both keys simultaneously.
ok
Channel
C1
Manual control
Reversing the channel status to the next auto-
matic or programmed switching.
Permanent switching
As long as a permanent switching (on or off)
is activated, the programmed switching times
are ineffective.

Enter PIN code
The PIN-Code is set via the menu in OPTIONS (see
picture).
If you have forgotten the PIN please call the Hotline.
OPTIONS
WITHOUT PIN
CURRENT
PIN
NEW PIN
00 00

OPERATING
HOURS
METER
LCD
ILLUMINATION
LANGUAGE
PIN
FACTORY
SETTINGS
INFO
ok

ok
WITH PIN

ok

ok
13
GB

Technical data
Nominal voltage: 220 –240 V~, +10 %/-15 %
Frequency: 50–60 Hz
Brightness range: 2–2.000 lx
On/off switch delay: 0–59 min
Power consumption: type 3 VA
Switching output: phase-independent
(zero-crossover switching)
Contact: two way switch
Contact material: AgSnO2
Switching capacity: 16 A/250 V~ cos ϕ = 1
10 A/250 V~ cos ϕ = 0,6
Fluorescent lamps: 10 AX
Switching capacity min.: 10 mA/230 V AC
100 mA/12 V AC/DC
Glow lamp load: 2600 W
Halogen lamp load: 2600 W
Fluorescent lamps (VVG – low-loss series devices):
uncorrected: 2300 VA
series-corrected: 2300 VA
parallel-corrected: 800 VA (80µF)
Lead-lag circuit (duo): 2300 VA
Fluorescent lamps (EVG – Electronic series devices):
650 VA
Mercury and sodium vapour lamps:
parallel-corrected: 800 VA (80µF)
Compact fluorescent tubes (EVG): 22x7 W, 18x11 W, 16x15 W,
16x20 W, 14x23 W
Permissible ambient temperature: –30 °C ... +55 °C (device)
–40 °C ... +70 °C (sensor)
Protection class: II (light sensors III) in
accordance with EN
60730-1 if correctly
Protection rating: IP 20, IP 55 (Mounted
light sensor),
IP 65 (Installation light
sensor) in accordance
with EN 60529
Service address/Hotline
14
Schrack Technik GmbH
www.schrack.com