Kessler-Ellis Products DT20 Manuel utilisateur

99867 12/20/16

Description

The DT20 is a compact electronic 24 hour/7 day time switch module, with heavy duty relay contacts for

switching low or line voltage loads. Applicable for time of day control of pumps, fans, heaters, HVAC control

circuits, lighting, machinery and many other types of commercial, industrial, and agricultural equipment.

All models feature large keys with unique “circular programming” for easy programming, a large LCD dis-

play and battery backup.

Features

❑24 Hour (AM & PM), 7 Day Programming

❑3 Common Preset or Custom Timing Programs

❑20 Programs Provide Up To 10 ON & 10 OFF

Events Per Day / Weekl

❑Rechargeable Battery Backup With 100 Hour

Carry-Over

❑16 Amp, SPDT Relay

❑Manual Override Capability

❑Several Mounting Styles Available

❑Daylight Savings Key

Application

Time based control of lighting, ventilating, heating, cooling or other electrical loads in commercial and industrial

applications. The DT20 time switches are programmable for 24-hour or 7-day schedules. Mounting options are available

for surface or DIN rail mounting.. The control can be completely enclosed in a plastic housing with an optional terminal

cover and sub-base for installation and hard wiring. They are also available with a din rail mount within an enclosure for

stand-alone outdoor applications.

DT20

KESSLER-ELLIS PRODUCTS

10 Industrial Way East

Eatontown, NJ 07724

800-631-2165 • 732-935-1320

Fax: 732-935-9344

http://www.kep.com

Day Timer with 20 Programmable Presets

Installation and Operating Manual

Contents

Safety Precautions ..................................................................................................................1

Program Structure...................................................................................................................1

Symbol Keys ............................................................................................................................2

Setting The Timer ....................................................................................................................2

Setting The Clock, Time & Day...............................................................................................2

Preset Programs......................................................................................................................3

Using / Selecting Preset Programs P01 - P03.......................................................................3

Creating User Dened Programs ...........................................................................................4

Deleting Programs...................................................................................................................5

Summer/Winter Time (Daylight Saving Changes) ................................................................5

Automatic Operation / Override Operation ...........................................................................5

Mounting Options ...................................................................................................................6

Warranty ...................................................................................................................................7

Decoding Part Number............................................................................................................7

Additional Mounting Options - E200 Outdoor Enclosure ....................................................7

Apendix-A: Program Schedules Worksheet .........................................................................8

Set time: Format 24h or am/pm

24h blinking, using +/- to select, then OK

Set time: Hour

Hour blinking, using +/- to select, then OK

Set time: Minute

Minute blinking, using +/- to select, then OK

Set time: Day of Week

Monday blinking, using +/- to select Day, then OK

Set Program: P01 / P02 /

P03 or P--

Using +/- to select, then OK

to set ON/OFF times

press Menu to terminate

programming

P01-03, P--

Set switching times:

First free memory location

blinks.

Press ''-''to go back one

memory location.

Press OK for setting the

switching times

Prog01

Set switching times:

First free memory location

blinks.

Press OK for setting the

switching times

First installation setting Review/adjust

OKMenu

Note:

P01-03

are pre-set

Press Reset Button

Set switching ON time: Hour

Hour blinking, using +/- to select, then OK

Set switching ON time: Minute

Minutes blinking, using +/- to select, then OK

Set switching ON time: Days

Mo-Su blinking, using +/- to select, then OK

Set switching OFF time: Hour

Hour blinking, using +/- to select, then OK

Set switching OFF time: Minute

Minutes blinking, using +/- to select, then OK/Menu

A maximum of 20 memory locations

can be occupied

10 switching ON times

10 switching OFF times

RUN

P-- is user defined

i.e. Prog01

i.e. Prog02

Safety precautions

· The connection and installation of electrical devices may only be

carried out by a qualified electrician.

· Interventions in and changes to the device result in the voiding of

the warranty claim.

· Observe your national regulations and the respective safety

provisions.

· Switch-off commands have priority over switch-on commands.

Safety Precautions Program Structure

reset

+- Menu OK

Res.

+1h

: Overview of daily switching program

: Setting of 24h or am/pm

: Summer/winter clock changes

: Weekday display

: Switching status display ON/OFF

: Pointer to Mode OVERRIDE/AUTO

+/-

: Adjustment keys: By pressing the key longer than 2 sec. you

can adjust the timer in steps of 5 units

Res.

: Reset

: By pressing the menu key programming is terminated and

the system reverts to automatic operation

: Confirmation of programming

OVR AUTO

Prog

Setting of this programmable timer is depending of the user preference to

use pre-set programs or defining own programming.

Using Pre-set programs (first time installation)

Using

Reset

key you can adjust the

following values:

24h or am/pm:

see pg 1

Time (hour and

minutes):

see pg 1

Week day:

see pg 1

Pre-set programs

P01 to P03:

see pg 1

User defined programming by Menu mode

Using

key you can adjust /

review the following values:

24h or am/pm:

see pg 1

Time (hour and

minutes):

see pg 1

Week day:

see pg 1

Programs P--:

see pg 1

+ - Menu OK

Res.

+1h

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

OVR AUTO

Mode

Sequence to follow after selecting programming by pre-set programs or

Menu mode.

Set display format 24h or am/pm

Select 24h or am/pm (

+/-

)and con-

firm with

1 1 2

Set hour

Select hour (

+/-

)and confirm

with

1 1 2

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

+ - Menu O

Res.

+1h

OVR AUTO

Mode

Set week day

Select week day (

+/-

)and confirm

with

1 1 2

Set minutes

Select minutes (

+/-

)and confirm

with

1 1 2

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

Symbol Keys Setting The Clock, Time & Day

Setting The Timer

Prog.

Programs P01-03 (If Used)

The switching on and off times for

programs P01 to P03 are preset

(pre).

The user can change these pro-

grams.

Individual (custom) program, P--

Under the menu option P-- you have

the option of creating a user-defined

program.

This program can be changed at

any time. There are up to 20 me-

mory locations available for 10 OFF

and 10 ON commands.

You can allocate a corresponding

weekday or week block to each

memory location.

0 247 1 812 14

0 246 22

0247 2012 14

2220

P01:

Mo - Su, 1 x ON/OFF

P02:

Mo - Su, 2 x ON/OFF

P03:

Mo - Su, 3 x ON/OFF

P0x

prog

Sequence to follow after initially setting time in the Reset mode.

Select pre-set program (

+/-

1 1

Once selected the program desired

there are following options:

: terminate programming

: Going through pre-set programs

to modify selection (any program

ON or OFF can be modified by using

''or ''

''keys and confirming with

) or accept it with

key to go

the next free memory location in

order to add new user defined pro-

grams.

e.g. after selecting P02 you should

also program:

Sa-Su 22:30 ON (prog05)

23:00 OFF (prog06)

1a 1b

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

+ - Menu O

Res.

+1h

OVR AUTO

Mode

Preset Programs

Using / Selecting Preset Programs P01-P03

P--

prog

Possible week blocks and individual days

Set week day ON

Select week day (

+/-

)and confirm

with

1 1 2

+ - Menu O

Res.

+1h

OVR AUTO

Mode

P--

prog

Set hour OFF

Select hour (

+/-

)and confirm

with

1 1 2

Set minutes OFF

Select minutes (

+/-

)and confirm

with

1 1 2

Set week day OFF

Should the OFF command be the

same day of ON command then

select

to terminate program -

ming or select

to go to a new

program ON setting.

1c 1b1a

+ - Menu O

Res.

+1h

OVR AUTO

Mode

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

P--

prog

Shift

Should the OFF command be the following day of ON command then

select ''

''key then select

Example:

Mo-Fr Mo-Fr

20:00 p.m. - 03:00 a.m. ON 20:00 p.m. - 03:00 a.m. ON

03:00 a.m. - 20:00 p.m. OFF

Tu-Sa

03:00 a.m. - 20:00 p.m. OFF

0 243 20 24320

Monday Tuesday

ON OFFOFF

P--

prog

Sequence to follow after setting time and week day while running Menu

mode or adding programs to the pre-set P01 to P03.

Select program ON

and confirm with

Set hour ON

Select hour (

+/-

)and confirm

with

1 1 2

Set minutes ON

Select minutes (

+/-

)and confirm

with

1 1 2

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

+ - Menu O

Res.

+1h

OVR AUTO

Mode

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

Creating User Dened Programs

Special Case

del

Select

, then select

key

until getting onto the ON time of the

program you want to delete.

Select ''

--''

with (

+/-

) key and con -

firm with

Note:

Switching programmes are deleted

in ON-OFF pairs. If you delete a sin-

gle ON instruction, the correspond -

ing OFF instruction is also deleted.

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

+ - Menu O

Res.

+1h

OVR AUTO

Mode

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

+1h

The +1h key is for the change to

daylight savings time.

· By pressing the +1h key 1 hour is

added to the current time.

· +1h is shown on the display.

· By pressing +1h again 1 hour is

subtracted from the current time.

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

The ''+''key serves to change over

between automatic, AUTO to over-

Mode

ride (OVR) ON and override (OVR)

OFF (CH1).

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

OVR AUTO

Deleting Programs

Summer/Winter Time Switching

by Activating / Deactivating Daylight Savings Time

Automatic Operation

The ''+''key serves to change over

between automatic, AUTO to over-

Mode

ride (OVR) ON and override (OVR)

OFF (CH1).

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

OVR AUTO

Automatic Operation is indicated when the

“down” arrow is over AUTO label.

Override Operation is indicated when the

“down” arrow is over OVR label.

The ''+''key serves to change over

between automatic, AUTO to over-

Mode

ride (OVR) ON and override (OVR)

OFF (CH1).

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

OVR AUTO

OVR - Manual Override Operation

Press “Mode” to activate the relay manually.

The “down” arrow over OVR label will indicate

Override is in force and indicates that the

relay is active.

NOTE: You can switch back to AUTO mode by

pressing the “Mode” button. Automatic Opera-

tion is indicated when the “down” arrow is over

AUTO label.

The ''+''key serves to change over

between automatic, AUTO to over-

Mode

ride (OVR) ON and override (OVR)

OFF (CH1).

+ - Menu OK

Res.

+1h

OVR AUTO

Mode

OVR AUTO

2.60"

[66 mm]

2.16"

[54.8 mm]

1.56"

[39.5 mm]

1.50"

[38 mm]

With clear dust-cover

2.88"

[73.1 mm]

4.00"

[102.5 mm]

MOUNTING OPTIONS

DT20: Standard Module Only with Spade Lugs 2.37" 60.1 mm

2.37" 60.1 mm

53.7 mm2.12"

3.4 mm

0.13"

Rear Mounting Holes (4 places)

DTA-D: DIN Rail Mount with Terminal Block

DTA-B: Surface Mount with Terminal Block

2.59" 65.7 mm

3.08" 78.2 mm

1.68" 42.6 mm

2.42" 61.4 mm

1.4" 35.5 mm

2.03" 51.5 mm

Base mounts to surface

DT20 snaps into base

The bottom of terminal

cover has knock-outs for

conduit entry

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