Auto
0 6 12 18 24
Prog
Man
31 2 4 5 6 7
SHT-1, SHT-1/2,
SHT-3, SHT-3/2
cos φ ≥ 0.95
M M
HAL.230V
K
M M
AC12
x
DC14
x
AC1
250V / 16A
AC13
x
AC2
250V / 5A
AC14
250V / 6A
AC3
250V / 3A
AC15
250V / 6A
AC5b
1000W
DC5
24V / 2A
AC6a
x
DC12
24V / 6A
AC7b
250V / 3A
DC13
24V / 2A
02-71/2017 Rev.: 2
SHT-1/2
SHT-3/2
Un
A2 26 25 28
A1 16 15 18
Un
A2
A1 16 15 18
SHT-1
SHT-3
SHT-1
SHT-3
SHT-1/2
SHT-3/2
15 25
16
A2
A1
18 26 28
1 5
16
A2
A1
18
8
9
10
11
12
13
14
15
16
17
18
19
20
5
1
2
3
4
6
7
1/4
Made in Czech Republic
ELKO EP, s.r.o.
Palackého 493
769 01 Holešov, Všetuly
Czech Republic
Tel.: +420 573 514 211
e-mail: elko@elkoep.com
www.elkoep.com
Digital time switch clock
Characteristics
Description
Symbol
Connection
Type of load
Mat. contacts AgSnO
2
,
contact 16A
Type of load
Mat. contacts AgSnO
2
,
contact 16A
AC5a
uncompensated
230V / 3A (690VA)
DC1
24V / 10A
AC5a
compensated
230V / 3A (690VA)
to max. input C=14uF
DC3
24V / 3A
EN
- Serves for controlling of various types of appliances in dependance on real time
(automation-switching of heating, pumps, ventilation etc.). Appliances can be op-
erated in concrete periodic time cycles or according a pre-set program (depends
on type, see the chart Versions of time switches).
- SHT-1, SHT-3: 1-channel version.
- SHT-1/2, SHT-3/2: 2-channel version (to each channel can be assigned an individual
program).
- Possibility to control two independent circuits.
- By SHT-3, SHT-3/2 is not possible to integrate daily and night mode on one channel.
By SHT-3/2 is possible to set a di erent mode on each channel.
- Setting of switching by:
- program (PROG) - switching according programs set in
SET 1
. Possibility to set the
repeat every minute or every hour.
- random (AUTO
) - random switching in 10-120 min interval.
- permanently manualy .
- Switching modes (OUT):
- OUT ON - normal - 2 positions in memory (close /open), shortest time of closing
is 1 min.
- OUT ON
- cyclic - 2 positions in memory (pulse/delay), range 1-99s.
- OUT ON - pulse - 1 position in memory, range 1-99s.
- OUT OFF - turn o the switching mode.
- Set time of pulse/delay is on one channel the same for all programs (it is not pos-
sible to set more pulses with di erent durations on one channel).
- “Holiday mode #“ - possibility to choose the period, when the device will be not
switching according a standard program and will be blocked for the pre-set time.
- 100 memory positions (by SHT-1/2 and SHT-3/2 are those 100 positions common
for both channels).
- Programming of device can be realize even under voltage and also even in back-up
mode.
- Output relays operates only under voltage.
- Automatic change-over between summer/winter time (setting is for time zone
GTM+1:00).
- Back-lighted LCD display.
- Easy and quick setting by 4 control buttons.
- Sealable transparent cover of the front panel.
- Time switch is back-up with in-built lithium element, which saves data during volt-
age failure. Back-up time reserve - up to 3 years.
- Supply voltage: AC 230V or AC/DC 12-240V.
- 2-Module, DIN rail mounting, saddle terminals.
- Device is delivered with pre-programmed actual time, which is permanently dis-
played also in back-up mode.
1. Supply voltage terminal (A1)
2. Display with back-light
3. Place for seal
4. Supply voltage terminal (A2)
5. Output - channel 1 (16-15-18)
6. Control buttons
7. Output - channel 2 (26-25-28)
8. Indicates the day in the week
9. Operating modes indication
10. Indication (1st channel)
11. Indication of time/date/setting menu
12. Bargraf
13. Control button PRG / +
14. Reset
15. Control button MAN1 / -
16. Indication (2nd channel)
17. Indicates 12 / 24 mode
18. Indicates summer / winter mode
19. Control button MAN2 / ESC
20. Control button OK
CONTROL OF A DISPLAY WITH BACKLIGHT
Display is illuminated with a back-light for
10 s from last button press.
Permanent on / o is activated by
synchronic press of buttons MAN, ESC, OK.
After permanent on/o activation, display
will ash shortly.
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