§"4.3 Temperature*scale*
Temperatures!can!be!displayed!in!°C!(factory!default)!or!in!°F.!!
!
Set*temperature*scale:*
è*Go!to!the!settings!menu!(see!fig.!5"in!§"3)!by!tapping!the!‘OK’!button!once,!continue!tapping!until!the!
cursor!is!on!the!!‘Scale’!setting.!
è!Use!the!‘!+!’!or!‘!–!’!buttons!to!change!the!scale!to!°C!or!°F.!
*
§"4.4 24-h*cycle*protection*
Protects!the!circulation!pump!from!jamming!when!your!floor!heating!system!is!inactive!for!longer!than!
24!hours!(e.g.!during!summer),!by!switching!on!the!circulation!pump!and!allowing!circulation!for!1!min!
every!24!hours.!This!function!can!be!enabled!(factory!default!and!recommended)!or!disabled.!
24-h(cycle(protection(is(unavailable(in(‘Thermostat’(mode.!
!
Set*protective*24-h*cycle:*
è!Go!to!the!settings!menu!(see!fig."5!in!§!3)!by!tapping!the!‘OK’!button!once,!continue!tapping!until!the!
cursor!is!on!the!’24-h!cycle’!setting.!
è!Use!the!‘!+!’!or!‘!–!’!buttons!to!set!the!24-h!cycle!to!‘OFF’!or!‘ON’!as!desired.!
!
!When!the!pump!is!switched!on!due!to!an!active!24-h!cycle!protection,!the!message!‘!>!24-h!cycle!>!’!appears!at!
the!bottom!of!the!main!screen.!
!
§"4.5 Hysteresis**
The!hysteresis!determines!the!temperature!difference!between!switching!on!and!off.!It!can!be!adjusted!
from!0,5!°C!to!5!°C!by!steps!of!0,5!°C.!(From!1!°F!to!10!°F!by!steps!of!1!°F).!!
An!appropriate!hysteresis!is!required!to!prevent!undesired!switching!caused!by!small!temperature!
fluctuations!around!the!switching!temperature.!
Hysteresis(is(unavailable(in(‘Intelligent(Pump(Switch‘(mode,(as(it(is(determined(automatic.(
!
Set*hysteresis:*
è!Go!to!the!settings!menu!(see!fig.!5!in!§!3)!by!tapping!the!‘OK’!button!once,!continue!tapping!until!the!
cursor!is!on!the!‘HysT’!setting.!
è!Use!the!‘!+!’!or!‘!–!’!buttons!to!increase!or!decrease!the!hysteresis!to!a!desired!value.!
!
!For!most!floor!heating!systems,!the!factory!default!hysteresis!of!0,5!°C!(1!°F)!is!sufficient!in!‘Pump!Switch’!
mode.!!
!The!actual!switching!on/off!temperature!is!increased!or!decreased!by!half!of!the!hysteresis.!
For!instance!a!hysteresis!of!1!°C!and!switching!temperature!of!30!°C,!leads!in!‘Pump!Switch’!mode!to!switching!
on!the!pump!at!30,5!°C!and!switching!off!at!29,5!°C.!
!In!addition!to!hysteresis,!a!timer*prevents!the!relay!from!switching!off!within!1!min!after!switching!on,!that!
helps!to!prevent!undesired!switching.!However,!there!is!no*delay!after!this!first!minute.!
*
§"4.6 Display*contrast*
The!contrast!of!the!LCD!display!has!been!calibrated!in!factory.!!
However,!in!the!event!the!display!seems!unclear!(too!dark!or!dim)!you!can!adjust!the!contrast!easily.!
!
Adjust*display*contrast:!
è!Put!the!device!on!standby!by!holding!the!!!!!!!!button!for!more!than!6!s!until!the!display!reads!‘standby’.!
è!Hold!the!‘OK’!button!for!more!than!3!s!until!the!contrast!adjustment!menu!is!entered!(see!fig.!6!in!§!3).!!
!!!!!!The!backlight!of!the!LCD!starts!blinking!now.!!
è!Using!the!‘!+!’!and!‘!–’!!buttons!you!can!increase!or!decrease!the!display!contrast!as!desired.!!
!!!!!!The!contrast!adjustment!is!represented!on!the!display!by!a!value!from!-8!to!+8.!
!
