Easy 3s User Manual

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
On
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
ON
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
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
1
Comfort temperature (daytimetemperature)
 issetbymeansofexternallyvisiblesetingknob(1)
2
Setback temperature (nighttemperature)
 issetbymeansofadjustmentknob(2)beneathcover.
Time setting
3
 byputtingonengerondial(3)andturninginanydirec-
tion,youcansetthetime.
4
 Arrow(4)pointstotheselectedtime.
Switching time setting
5
 Bringmovabletappets(5)intorequiredpositionusinga
pointedobject.
Outer ring = comfort temperature
 Innerring = setbacktemperature
6
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.
12
4 5 6
3
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.

Easy 3s Specifications

General

Brand	Easy
Model	3s
Category	Thermostat
Language	English