1
2
ESC
SET
Day
gg.aa.yy
Hour
Relay on/off status
ESC Button
SET Button
UP Button
DOWN
Date
HH:mm:ss
Relay AUTO/MANUAL
status
Battery Status
Used Summer/Winter
Time status
Selected days for the
shown program while in
Program Menu
1 2 3 4 5 6 7
C1:
C2:
AUTO
MANUAL
DTR-20, which has a real time clock, is an electronic timer that calculates the sunset and sunrise periods
automatically. It is designed for controlling the devices which are connected to its contacts according to
sunset, sunrise and the time periods which are programmed by the user.
Precautions for Installation and Safe Use
If below precautions are not properly observed and carried out, it may result in cases with injury or death.
- Disconnect power before working on the device.
- When device is connected to the network, do not remove the front panel.
- Do not clean the device with solvent or similar items. Only clean with dry cloth.
- Verify correct terminal connections before energizing the device.
- Install the device on the electrical panel.
- Contact your authorized reseller in case problems occur with your device.
No responsibility is assured by the manufacturer or any of its subsidiaries for any consequences
rising out of the use of this material.
- There are two reserves in the device. Programmed data is protected by these reserves against power
outages.
- For long time reserve, a battery is used. If the device is continously supplied with voltage, the shelf life
of this battery is 10 years, . If the device is not continously supplied with voltage and waited on the shelf,
the battery life is 5 years.
- For short time power outages(6-10 hours), the necessary energy for the device is supplied from the
supercapacitor. Since the battery is not used in this operation, it lasts longer.
- Reserve battery should only be changed by the authorized service.
MANUAL MODE :
In order to use the relay outputs manually, DTR-20 has to be in the monitoring mode. The DOWN button
is used to switch the C1 relay to manual mode and the UP button is used to switch the C2 relay to manual
mode. When the UP or DOWN button is pressed for 3 seconds, MANUAL indication appears on the
screen. If this is done while the relay C1 or C2 is activated, that relay will be deactivated. If it is done while
the relay C1 or C2 is deactivated, no switching will occur. After the relay C1 or C2 is in the manual mode;
when the DOWN button is pressed again for 3 seconds, C1 relay will exit the manual mode and when the
UP button is pressed again for 3 seconds, C2 relay will exit the manual mode. The relay will stay activated
or deactivated according to the program flow. When both of the the relays are in manual mode, AUTO
indication will dissappear from the screen.
-
The output loads connected to the relays do not function if auxiliary supply is absent. Even if the
relay status is monitored as on( and/or ), auxiliary supply is a must for the operation.
ESC Button :
SET Button :
UP
DOWN Buttons:
It is used to switch between monitoring menus. In the programming mode, it is used to
cancel a parameter change or to return to the previous menu.
It is used to switch between monitoring menus. When it is pressed for 3 seconds,
programming mode is entered. In the programming mode, it is used to apply a parameter
change or to enter to a menu.
In the monitoring menu, it is used to switch between programs to show their activity in a
day. When the DOWN button is pressed for 3 seconds, C1 relay goes into manual mode
and when the UP button is pressed for 3 seconds, C2 relay goes into manual mode. In
the programming menu; it is used to browse between menus, to select parameters and
to adjust values with digits.
All manuals and user guides at all-guides.com
