Easy 3s User Manual (English)

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1. Applications

The easy 3s electronic clock thermostat is designed for room

temperature control in conjunction with:

• heatingsystems,e.g.hot-waterheaters,convectorheaters

or oor heating

• electricconvectorheaters,ceilingandstorageheating

• night-storageheaters

• chillers

• circulationpumps

• burnersandboilers

• heatpumps,etc.

• airconditioningapplications(coolingonly)

Features

•

 verysimpleoperation

• comfortandsetbacktemperatureadjustable

•

 5operatingmodes(byrotaryswitch)for:

➩permanentcomforttemperature(5…30°C)

➩permanentsetbacktemperature(5…30°C)

➩clockmode(automatic)

➩frostprotection(5°Cxed)

➩ OFF

•

Indicator lamps for: ➩ heat demand

➩setbackmode

•

 availablewithdailyorweeklytimer

•

 controlbyphoneremoteswitchpossible

•

 outputsignal PWM or ON/OFF regulation  (adjustable via

jumper)

•

 relayoutput,1xchangeovercontact

•

remote sensor optional

•

emergency operation at sensor failure

•

 hingedcover

•

 newdesign2000

2. Function description

The clock thermostat is designed to control the room tem-

perature.

In the automatic mode, a changeover is eected between

comfortandsetbackmodebythebuiltintimer.

Optionally remote sensor can be used instead of built-in

sensor.

Insetbackmodethegreenindicatorlamplightsup.

Ifroomtemperaturedropsbelowsetvalue,heatingwillstart,

theredindicatorlampwilllightup.

Indicator lamps

Red indicateswhencontrollerdemandsheat,

Green indicateswhensetbackmodeisactivated.

Red ashingforfailure.Operatingvoltagetobeswit-

chedOFFandONagain.

Controller heat demand at PWM

Ifroomtemperaturedropsbelowthesetvalue,heatingmode

will start. The controller output is in the form of pulses of

varying length (PWM).The length of the pulses depends on

thedierencebetweensetandactualroomtemperature.

The sum of pulse and pause times can be selected with J4

(between10or25min.).

If there are largetemperaturedierences,thecontrollerwill

switch ON or OFF permanent, e.g. when changing over to

temperature setback mode. PWM should only be used for

current≤10A

Off

Temperature

10/25 min

set temperature

Fig.1:Characteristic of impulse pause ratio depending on

temperature

Cycle time setting

Forinertapplications(e.g.burners)werecommendthe long

cycletime.

Forquickapplications(e.g.electricdirectheaters)werecom-

mendtheshortcycletime.

Plug-in jumper J4

(rightsideofboard)

Time

Double-polejumper

connection

25 min

(as-deliveredcondition)

Single-polejumper

connection

10min

Heat demand of the controller at ON/OFF regulation

When room temperature drops below set temperature the

output will be switched on, whereas it will be switched o,

whensetvalueisexceeded.

set temperature

temperature

OFF

Hysteresis

Fig.2:ON/OFFregulation

Plug-in jumper J3

(rightsideofboard)

Regulation

Double-polejumper

connection

ON/OFF

Single-polejumper

connection

PWM (asdeliveredcondition)

Phone remote switch (onlyavailableatspecialvariants)

Viaanexternalphoneswitchingdevicethe conroller can be

put into mode of comfort or setback temperature. As long

as contact (terminal 19) is closed, the comfort temperature

will be “used“. This function ist activated in the modes 2

automatic, Ñ setback temperature permanent  and P

Frostprotection.

3. Installation

Thecontrollershouldbearrangedinaplacewithintheroom

which:

• iseasilyaccessibleforoperation

• isfreefromcurtains,cupboards,shelves,etc.

• enablesfreeaircirculation

• isfreefromdirectsunradiation

• isfreefromdraughts(e.g.openingofwindowsanddoors)

• isnotaecteddirectlybythesourceofheat

• isnotlocatedonanexternalwall

• islocatedapprox.1,5maboveoorlevel

MountingdirectlyonconduitboxorwithadapterframeARA

easy.

Electric connection

Warning!Disconnectelectriccircuitfromsupply.

Proceed as follows:

• pullotemperaturesettingknob

• pushretaininghookoutwardsusingscrewdriver

• removehousingcover

• make connection in compliance with wiring diagram

(seehousingcover).

• watchnotes

Remote sensor

Having connected the remote sensor, the integral sensing

componentwillbeswitchedoautomatically.

The sensor cable is extendable up to a length of max. 50m.

Pleaseuseatwo-core230Vcablewithacross section of 1.5

mm.

Thesensorcable(F193720)shouldbeinstalledintoaprotecti-

ontube(pocket).Thisfacilitateslaterreplacement.

Incaseoffailure(breakorshort-circuit)thecontrollerswitches

into emergency operation:

  atPWM:  30%heatingcapacitiy

at ON/OFF: Relay OFF

Warning! Sensor cables carry operating voltage.

4. Technical data

Temperature setting range:

comfort temperature

setback temperature

frost protection

5…30°C

approx. 5°C xed

Regulation proportional controller

(due to PWM quasi-continuous, see Fig.1)

Cycle period adjustable 10 or 25 min.

(sum of PWM ON and OFF times)

Proportional band 1,5K

Hysteresis ~0,5K, ≤ 10A see Fig. 2

~0,5K at 16A and use with remote sensor

~2,5K, at 16A without remote sensor

ON/OFF regulation adjustable via jumper

Output relay, 1 volt-free* changeover contact

Switching current

Heating

Cooling

10mA…16 A cos ϕ = 1

max. 4 A cos ϕ = 0,6

10mA ...10A cos ϕ = 1

max. 1,5 A cos ϕ = 0,6

Switching voltage 24…250V AC

Mode selector switch comfort / automatic / setback /

frost protection / OFF

Phone remote switch

(as variant)

Input for 230V AC (via an external

phone switching device)

Indicator lamp: red

green

controller demands heat

setback mode

Temperature sensor: internal

Remote sensor

Sensor characteristics

type F190021 (wall mounting)

type F193720 length 4m

both extendable up to 50m

42kΩ at 20°C

26kΩ at 30°C

Range limitation inside setting knob

Clock:

accuracy

switching time setting

power reserve

<10 min./year

every 15 min. with daily timer

every hour with weekly timer

approx. 100 h

Protection class of housing IP 30

Degree of protection II (see Warning 1)

Ambient temperature 0…40°C, without condensation

Storage temperature –25…65°C

Pollution degree 2

Rated impulse voltage 4 kV

Ball pressure test

temperature

75 ± 2 °C

Voltage and Current for the

for purposes of interfernce

measurements

230 V, 0,1 A

Dimensions 160 x 80 x 36 mm

Weight approx. 220 g

Energy class IV = 2 %

(acc. EU 811/2013, 812/2013, 813/2013, 814/2013)

* The volt-free contact of this mains-operated unit does

not ensure the requirement for the use of safety ext-

ra-low voltage (SELV).

For units with 230 V supply voltage

Type easy 3st with daily timer

easy 3sw with weekly timer

Article-Nr. easy 3st 517 2701 51 100

easy 3sw 517 2702 51 100

Operating voltage 195…253 V AC 50/60 Hz

Power consumption < 1,5 W

For units with low voltage output

Type easy 3st 1mA with daily timer

easy 3sw 1mA with weekly timer

Article No. easy 3st 1mA 517 2711 51 100

easy 3sw 1mA 517 2712 51 100

Operating voltage 195...253V AC 50/60Hz

Switching current >1 mA, >1V or max. 10(4) A AC

Power consumption < 1,5 W

5. Wiring diagram

Symbol explanation

U Heaing PCooling    

Remote sensor

Phone remote switch

Note

For heating applications

•connectn/cactuatorstoterminal2.

•connectn/oactuatorstoterminal3.

For cooling applications

• connectn/cactuatorstoterminal3

• connectn/oactuatorstoterminal2

• Tousetheredlampasindicatorfor“coolingON”,connectn/o

actuators to terminal 2

• WhenmodeselectorswitchisinOFFposition

n/c and n/o

actuatorswillbeclosedlogically.

6. Operation

Temperature setting

Comfort temperature (daytimetemperature)

 issetbymeansofexternallyvisiblesetingknob(1)

Setback temperature (nighttemperature)

 issetbymeansofadjustmentknob(2)beneathcover.

Time setting

 byputtingonengerondial(3)andturninginanydirec-

tion,youcansetthetime.

 Arrow(4)pointstotheselectedtime.

Switching time setting

 Bringmovabletappets(5)intorequiredpositionusinga

pointedobject.

Outer ring = comfort temperature

 Innerring = setbacktemperature

Mode selector switch (6)–externally

É Comforttemperature,permanent

2 Automaticmode,time-controlledchangeover

betweencomfortandsetbacktemperature

Ñ Setbacktemperature,permanent

P Frostprotection,permanent(5°C)

 OFF,thereisnocontrolactivity.Thecontrolleritselfisnot

disconnectedfromoperatingvoltage.

4 5 6

U468 931012 911-08 

Installation and

Operation Instructions

Electronic

Clock Thermostat

easy 3s

Warning!

Thedevicemay onlybeopenedandinstalled accor-

ding to the circuit diagram on the device or these

instructions by a qualied electrician. The existing

safetyregulationsmustbeobserved.

Appropriate installation measures must be taken to

achievetherequirementsofprotectionclassII.

This independently mountable electronic device is

de-signedforcontrollingthetemperatureindryand

enclosed rooms only under normal conditions. The

device conrms to EN 60730, it works according

operatingprinciple1C.

This product should not be disposed of with

householdwaste.

Please recycle the products where facilities for

electronic waste exist. Check with your local

authoritiesforrecyclingadvice.

Need help?

Do you have a question about the Easy 3s and is the answer not in the manual?

Easy 3s Specifications

General

Display	LCD
Hold Function	Yes
Filter Change Alert	Yes
Backlight	Yes
Type	Programmable
Power Source	Battery

Summary

Applications

Features

Very simple operation, comfort/setback temperature adjustable, 5 modes, clock mode, frost protection, OFF, indicator lamps, remote sensor option.

Function Description

Indicator Lamps

Red lamp indicates heating demand, green indicates setback mode, flashing red indicates failure.

Installation

Electric Connection

Warning to disconnect power. Steps include removing knob, hook, and cover for wiring.

Wiring Diagram

Diagram illustrating the electrical connections for the thermostat.

Controller Heat Demand at PWM

Characteristic of Impulse Pause Ratio

Figure showing PWM signal behavior relative to temperature difference.

Cycle Time Setting

Recommendation for cycle time setting for burners and electric heaters.

Plug-in Jumper J4

Configuration settings for J4 jumper on the board.

Double-pole Jumper Connection

Connection type and regulation mode for double-pole jumper.

Single-pole Jumper Connection

Connection type and regulation mode for single-pole jumper.

Technical Data

Temperature Setting Range

Defines the adjustable temperature range from 5 to 30°C.

Comfort Temperature

Specifies the comfort temperature setting.

Setback Temperature

Specifies the setback temperature setting.

Frost Protection

Defines the frost protection temperature setting (5°C fixed).

Regulation

Describes the regulation type as proportional controller.

Cycle Period

Specifies the cycle period for regulation (adjustable).

Hysteresis

Defines the hysteresis range for regulation.

ON/OFF Regulation

Settings for ON/OFF regulation, including output and contact type.

Switching Current

Specifies the switching current capabilities.

Heating

Details regarding heating control and power factor.

Cooling

Details regarding cooling control and power factor.

Switching Voltage

Specifies the voltage for switching operations.

Mode Selector Switch

Options for the mode selector switch (comfort/automatic/setback).

Phone Remote Switch

Information for phone remote switch input.

Indicator Lamp

Color indications for controller status (red, green).

Temperature Sensor

Details about the internal temperature sensor type.

Remote Sensor

Details about external remote sensor type and length.

Sensor Characteristics

Specifications for sensor extendibility and range.

Range Limitation

Limitations for clock accuracy and switching time.

Clock

Details on clock accuracy and daily/weekly timer.

Switching Time Setting

Information on switching time setting accuracy.

Protection Class of Housing

Specifies the IP rating of the housing.

Degree of Protection

Indicates the degree of protection (IP 30).

Ambient Temperature

Specifies the operating ambient temperature range.

Storage Temperature

Specifies the storage temperature range.

Pollution Degree

Indicates the pollution degree rating.

Rated Impulse Voltage

Specifies the rated impulse voltage.

Ball Pressure Test

Details of the ball pressure test for components.

Temperature

Specifies the temperature for the ball pressure test.

Voltage and Current for the purposes of interference measurements

Voltage and current values for interference measurement.

Dimensions

Provides the physical dimensions of the device.

Weight

Specifies the approximate weight of the device.

Energy class

Indicates the energy efficiency class.

Operation

Comfort Setting

Sets the daytime temperature using the outer ring.

Setback Temperature

Sets the nighttime temperature using the adjustment knob.

Time Setting

Sets the time by rotating the dial and turning the arrow.

Switching Time Setting

Moves tappets for required position using a pointed object.