Instructions manual
Contents
1. Function Parameters Value range Resolution Default value Off Nighttime TT Reduction Multi function input IN selection Activation Off Heating Air Con Off View EXT Probe se Temperature External temperature probe etin Control Off Limitation Nighttime Reduction r red offset 1 6 C 0 1 C 4 C Limitation T Temp limit 80 50 C 0 1 C 35 C Selection Temperature control mode TempCtrl Heat Air con Heating Control algorithm Algorithm ON OFF PID ON OFF Hysteresis ON OFF r Differential Oie 0 1 C 0 2 C Proportional band PID Band 0 5 5 C 0 1 C 1 C Integral period PID Period 10 30 minutes 1 min 20 min Unit of measurement tem Temperature unit C F _ C perature Temperature offset TE Offset temp 0 3 C 0 1 C 0 C PIN number Pin 000 999 1 000 Tw Man Heat 10 35 C 0 1 C 18 C Tw Man Air Con 10 35 C 0 1 C 26 C Ta Comfort Heat 10 35 C 0 1 C 20 C Temperature set point ua BP 10 35 C 0 1 C 25 C To No Heat TG 10 35 C 0 1 C 16 C To No Air Con 10 35 OFF C 0 1 C 29 C Te Antifreeze 4 10 C 0 1 C 5 C Table 1 Device parameters 9 Alarms The thermostat is capable of displaying an alarm condition associated with the use of the external temperature probe as described in subsection 7 6 21 AAA VIMAR 10 Cleaning the devic2. Fig 8 Manual set point setting The selection is confirmed by touching 7 N The di and E icons in the lower right corner indicate whether the system is operating in heating or air conditioning mode respectively icon illuminated system on 6 3 Away his mode is useful to achieve energy savings quickly and effectively whenever the user leaves the reg ulated room In Away mode the system makes the adjustment according to the away temperature setpoint iu see para 7 4 2 which is more cost effective than the manual setpoint and different to switching off the system completely The Away mode can only be activated in manual mode by touching NS A The display will show the away temperature setpoint for approximately 2 seconds iw ICIT IU wv Fig 9 Input in away mode showing the away temperature SSeS SS VIMAR Activation of this mode is identified by the C icon above the temperature indicator o N 7 C m of JELE Fig 10 Away Mode To exit and return to Manual mode touch the _G button again 6 4 Nighttime reduction This is the typical mode to use at night to reduce system consumption significantly In Nighttime reduction mode the device reduces the consumption of the system taking the room tem perature to a lower value or higher if on air conditioning than the Manual mode by di il degrees see par 4 4 4 Nighttime reduction is activated s
3. Underfloor heating IMPORTANT During installation take care not to damage the insulation of the probe while laying the screed Perform the installation in such a way that the probe is accessible for any maintenance work LM VIMAR 5 Display The touchscreen display allows you to control the system using the following buttons and icons Away button Button Settings Menu Increase button DE EN 0 amp CONG K orr ea fw of 42 Am vH n 2 Back button CS ZUNAJ Decrease button Confirm or Nighttime reduction button Fig 3 Graphical interface and buttons 5 1 Functions of the buttons increases the numerical values and in the process of navigation scrolls through the available menus When it disappears from the display it means that the value cannot be increased any more or the first of the scrollable items has been reached N decreases the numerical values and in the process of navigation scrolls through the available menus When it disappears from the display it means that the value cannot be decreased any more or the last of the scrollable items has been reached VON confirms the selected option activates the submenu if there is one or displays the next parameter digit After each confirmation the display shows the icon for approximately 1 s S 7 back or cancel exits the current screen menu and returns to the previous one without saving
4. any changes In menus with changes to multiple digits it lets you go back to change the pre vious digit N B The field value being edited is highlighted by the field value itself flashing e f no operations are performed on the device for 30 seconds the brightness of the backlighting decreas es and the touch screen does not respond to touch thus you avoid the effects due to inadvertent touching and the backlighting is less invasive on standby the button symbols are no longer visible because they are disabled AAA VIMAR e To exit standby mode touch the screen and see that the button icons appear The increase in the brightness level of the device and the appearance of active buttons will confirm restoration of the normal functions 5 2 Symbols Depending on the different operating modes the following icons could also be displayed 704 Calibration te Entering the PIN C Away ON Manual ON gu Nighttime Reduction Antifreeze OFF OFF EZ Multifunction input ON 42 External temperature probe A Alarm Air conditioning dl Heating v Confirm 5 3 Ecometer Fig 4 Set of ECOMETER icons On the left hand side of the display there is a set of icons called the ECOMETER that provide an overview of the expected consumption The colour of the display if configured in ECO mode shows the expected consumption provided by the ECOMETER via the background colour see 7 9 This indicator fac
5. at the same time This mode comes into operation when the multi function input is activated see par 4 1 only if it has been properly configured the multifunction input is activated solely when the thermostat is in Manual mode In remote reduction mode the device sets the temperature to a value equal to Tcomfortd ir see para 7 4 In this condition the display and its buttons have limited functions access to the settings menu is disabled and you can only change the temperature setpoint within a limited range see par 7 4 5 The Remote reduction mode is identified by the BD and by icons located simultaneously above the temperature indicator The Z_ _ and _ _ buttons let the user change the temperature in the range diu AES ob Fig 14 Input in Remote reduction mode On disabling the multi function input the thermostat returns to the previously set mode and the user can again manage the device completely 12 IL VIMAR 6 7 Remote activation This mode is typically used in applications where you want to remotely enable or disable temperature control of a room and limit the functions that can be performed by the user For example this is a typical mode in hotel room management This mode comes into operation when the multi function input is activated see par 4 1 only if it has been suitably configured by the installer see par 7 7 In remote activation mode the
6. device sets the temperature to a value equal to Tcomfort see para 7 4 In this condition the display and its buttons have limited functions access to the settings menu is disabled and you can only change the temperature setpoint within a limited range see par 7 4 5 The Remote activation mode is identified by the XJ icon located above the temperature indicator The Jand N J buttons let the user change the temperature in the range dtu A i di m Fig 15 Input in Remote manual mode On disabling the multi function input the thermostat switches to Antifreeze mode system on heating or OFF system on air conditioning and the user can again manage the device completely 13 VIMAR 7 Settings menu From the settings menu you can configure all the features of the thermostat On the main screen see Fig 3 tap the icon From the main menu using Jand N wil display the following flashing symbols in succession which provide access to the corresponding submenus 14 ili 2 ON 3K OFF operating mode setting or r L unit of measurement setting de dl heating air conditioning setting T I temperature set point setting edd calibration setting 42 external probe setting i N and GI multi function input setting m LILIE OnOff PID temperature control algorithm setting FI LOL display colour setting Clu LI standby brightness level setting E 0a Wil device
7. 4 5 and cannot carry out any other operations on the thermostat with the multi function input disabled the thermostat returns to the previously set operating mode and the user can manage the thermostat completely di summer winter switching the multi function input automatically switches the thermostat onto air conditioning mode when on or heating mode when off On enabling this selection the submenu described in 7 3 is no longer displayed This option is useful for centralized systems in which the air conditioning or heating mode is performed at the level of the entire building and impacts on many sub environments Tap _ N to confirm your choice 7 8 OnOff PID setting This menu lets you select the way in which the ambient temperature will be controlled Via Jana N you can select the following options U of OnOff control this is the traditional threshold control so that on exceeding the set tempera ture increased by 1 vice versa for air conditioning the heating is switched off to then be turned back on when the room temperature drops below the set temperature The d value can be set directly via the submenu that follows this selection im P BI P I D control this is an evolved algorithm that is able to keep the temperature in the environ ment more stable increasing comfort this algorithm switches the system on and off appropriately so there will be a gradual increase or decrease in the thermal o
8. Instructions manual Thermostat 02950 Installer Manual VIMAR AAA VIMAR Table of Contents 1 Thermostat 02950 uc 2 2 Fieldiof application 2 iren zero reru co ro to aude ra eet ee eda a o co ka seda deas eco poer ka e acean dadas 2 9 InstallatiOhni cscs cscs 1 ex Reece tente rere ta ee as ges th nuo nor e aaa iaia 2 4 Connections o eec oenenenenoc iio ni i e eue Ra sid erae 2 241 Mui fre HOLT DIE criar ea i aa a Dod d oic iii 2 4 2 External temperature probe ssssssssssssssssseeseeeeneneenennnnnhhhhnnn nn edad nnn nnne neni nennen nnn 3 4 2 1 Installation examples seca sen oe tui n etr ene erem a Ene Fina ens aa cali one ire sin GER ARRAS 3 5 Display 5 bet Functions of the Dutton seiras ctc restes cbe rii ey x r ANA v E ek epo ev ve EY ER b EH p CP e a 5 DZISVMDOS TL 6 DS EGOMELN CT ERE 6 5 4 Locking the interface via PIN Henne nnns l4 6 Operating mode vcre eie e ea n Feo eror tee Feder decedens feed Feder denen Pea 7 G 1l Switehedioff OFF m 8 FAVE O Ne Roe AR RI 8 SEPA TTE 9 6 4 Nighttime reduction ii 10 SEsy M rc E pina 11 6 6 Remote teQUCHON P 12 6 7 Remote activation c c csceaneneneccoeniancenereaastnenennnencosnsnanenanenoaananseaadncdasgnanananenceaniarsenenanazina 13 7 SettingsiMeNU rss ca 14 7 1 Operating mode setting enhhhennnn ninh he
9. alarm temperature if the external probe is configured as a limitation CAUTION Depending on the mode the thermostat is in heating or air conditioning setting this setpoint acts only on the value associated with the current mode highlighted by the di or 42 icon for example Tcomfort of heating mode After then changing the setpoints of the current mode in succession change the mode see 8 3 and set all the setpoints corresponding to it 7 4 1 Comfort temperature The menu via Z Jand N lets you increase decrease the value of the comfort tem perature ic The Tcomfort temperature is the reference temperature used in the remote settings and can be defined as the comfort temperature that you want to reach after remote activation In addition it can also be the temperature at which to apply the thermal delta for nighttime reduction when it is activated via the multi function input The comfort temperature differs depending on whether you are in the heating or air conditioning mode Example If the thermostat is operating in heating mode the value of Tcomfort is set to 20 C 15 E VIMAR 7 4 2 Away temperature The menu via Z t Jand _ _ lets you increase decrease the value of the away temper ature i The away temperature preset by the installer is an intermediate temperature between that of Manual and Antifreeze mode geared to obtain substantial energy savings during periods when the user is away The a
10. e The device features a touchscreen display with capacitive buttons and therefore requires you to be gentle during the cleaning phase Avoid using aggressive products Clean the display with a special cloth for cleaning lenses 11 Main characteristics e Power supply 120 230 V 50 60 Hz e Maximum power draw 1 VA Output relay with clean changeover contact 5 2 A 230 V Type of setting ON OFF or PID algorithm Room temperature display 0 C 40 C Reading resolution 0 1 C e Settings resolution 0 1 C Accuracy of reading lt 0 5 C between 15 C and 25 C lt 0 8 C at the extremes e Software calibration ability to change the probe reading with software calibration 3 C max to adapt the measurement to each specific installation condition Hysteresis adjustable from 0 1 C to 1 C Adjustment range 4 C 10 C on antifreeze 10 C 35 C on heating or air conditioning Main functions adjustment for heating and air conditioning antifreeze function turning on and off with multi function input device reset keypad lock via password with 3 digit PIN to block access to all the functions of the device and protect its operation and programming for example if it is installed in a public place Touchscreen display Protection class IP20 Appliance of class Il Number of manual cycles 3 000 Number of automatic cycles 100 000 Type of contact opening micro disconn
11. e icon flashes mode used for systems with underfloor heating In the associated submenu you set the limitation temperature that is the one read by the external probe immersed in the screed that is considered an excessive temperature If this threshold temperature is reached the thermostat turns off the heating system and displays the alarm as long as the condition that generated it remains At the end of this condition the thermostat resumes its normal operation Tap Z_ to confirm your choice 7 7 Multi function input setting This menu is used to set the operating mode of the multi function input Via Jand you can select the following options OFF the state of the multi function input is ignored by the device 17 A VIMAR ON remote activation the multi function input when enabled automatically sets the Tcomfort tem perature as the setpoint In this context the user can only change the temperature within a narrow range see 8 4 5 and cannot carry out any further operations on the device with the multi function input disabled the default mode is Antifreeze or OFF if on air conditioning and the user can manage the thermostat completely e 84 remote reduction the multi function input when enabled forces a reduction in temperature which can be set via the submenu associated with that selection with respect to Tcomfort In this context the user can change the temperature within a narrow range see par 7
12. ected to neutral N the input is disabled The typical wiring diagram is the following art 02965 CONTACT INPUT MULTHFUNCTION Fig 1 Connection of relay and multi function input I VIMAR Activation type clean contact 250V 1A Type of conductor 1 single wire or 1 multi wire cable conductor MAX 1 5mm insulation min 250V Length of the conductor max 100 m between L and IN 4 2 External temperature probe Depending on how it is configured the external temperature probe can be used to accomplish severa functions see 7 6 it does NOT have polarity so you can connect the 2 wires in the 2 terminals withou any particular order It is recommended to use the NTC 10k beta 3900 probe art 02965 that provides double insulation The typical wiring diagram is the following art 02965 Fig 2 Connecting the external temperature probe CAUTION Cut off power to the system before connecting the probe to the thermostat 4 2 1 Installation examples 02695 used to display the outside temperature Probe for external temperature 02695 used for adjustment of a remote environment AA VIMAR Boiler 02695 used for limiting the temperature of underfloor heating Screed temperature probe
13. ection Action type 1 B Tracking index PTI175 Degree of pollution 2 normal Rated pulse voltage 4 000 V Ambient temperature during transport 25 C 60 C Operating temperature T40 0 C 40 C Software class A 22 AA VIMAR 12 Installation rules Installation should be carried out in compliance with the current regulations regarding the installation of electrical systems in the country where the products are installed 13 Regulatory compliance LV directive EMC directive Standards EN 60730 1 EN 60730 2 9 23 VIMAR Viale Vicenza 14 36063 Marostica VI Italy a Tel 39 0424 488 600 Fax Italy 39 0424 488 188 800 862307 Fax Export 39 0424 488 709 sein 02950 installer 01 1406 www vimar com VIMAR Marostica Italy
14. he nenne nnns 14 17 2 Unito Measurement SOL svn oriali 14 LiSHeating al GONditioning SEttin0 nre 15 7 4 Temperature set point setting 1 7 4 1 Comfort temperature T ds e di a Ri MA AAW TOMOA siii aa in aa T AZ ANUTOOZO TEMPORAL cia 7 4 4 Nighttime reduction thermal delta 16 7 4 5 User settable thermal delta NA ak a ia E 7 4 0 Hlysteresis of the QeViGe cas cc duse doeet erede recente iii 16 7 4 7 External probe alarm temperature nemen nnne nennen 17 7 5 Calibration setting 17 7 6 External probe setting 17 Tal Multifunction input Setting sanare ana 18 1 8 OnO PID Settig scricciolo 18 Fes gelo uie I A A EE 19 7 10 Standby brightness level setting emm 20 TEI om ila 20 TAZ LOCK UNIOCK nipote M 20 8 Summary table of thermostat parameters sees 21 EE CIUMTE EN 21 10 Gleaning the device 21 11 Main char cteristics 5 5 6 e eee m e n tie 22 12 Installation rules was ives cet rre nre eet Geass eet Ee REOR YR XRIRIRKRX3RRXX DAR IR TE 23 13 Regulatory compliance cccccecececccecscecacecececacececacececacecacacacacadecacacadecadedacacadecadedadacadedadedacacedsd 23 AAA VIMAR 1 Thermostat 02950 Recessed thermostat 2 modules for use with the Eikon Ark and Plana series on AC power with multi colour display and interface with capacitive buttons Equipped with u
15. ilitates system management geared to energy saving by associating a different colour depending on the estimated forecast AAA VIMAR 5 4 Locking the interface via PIN The thermostat lets you set a password see par 7 12 which inhibits any change to the operating mode eg switching from Manual to OFF limits setting the temperature values and more generally blocks access to the configuration menu This feature is useful to prevent the thermostat being used by unauthorized persons the device prompts you to enter the PIN indicating a shutdown with the f icon LA nnn UUL ESA Fig 5 Locking with PIN 6 Operating mode The thermostat 02950 is able to adjust the temperature according to the following operating modes Switched off OFF switches the system off Manual ON lets you set the environment temperature set point manually Away is an intermediate mode between manual and antifreeze that lets you set the set point in order to achieve significant energy savings during periods when the user is away Nighttime reduction this mode which can be activated locally is useful for changing the manual adjustment set point in the hours of nighttime operation Antifreeze used to set a minimum temperature level to avoid damage to pipework or prevent the temper ature from falling below a safety level In addition if the multi function input of the thermostat has been suitably configured you can remote
16. info n G lock unlock PIN setting Touching LEN opens the submenu and then the flashing highlights the parameters of the submenu 7 1 Operating mode setting This menu is used to select the operating mode of the device ON Manual OFF Off Ak Antifreeze only if the thermostat is set on heating Using Z Jand _ _ select the desired mode and confirm with v N 7 2 Unit of measurement setting The menu lets you set the unit of measurement used for the temperature C or F Using Z Jand N select the desired unit of measurement and confirm with V N AAA VIMAR 7 3 Heating air conditioning setting This menu lets you set the operation of the device depending on the season winter summer G di heating dE air conditioning Using 4 Jand _ _ select the desired operation and confirm with LEN 7 4 Temperature set point setting This menu lets you set the temperatures and hystereses necessary for defining the temperature control set point used in the different operating modes In particular you can have setpoints for T 1 IC temperature Tcomfort 2 Il and gt temperature of the Away mode 3 To and D temperature of the Antifreeze mode 4 d 1r is thermal delta in Nighttime reduction mode 5 d Tu thermal delta modifiable only within a range of values with thermostat remote controlled or inhibited by PIN T 6 E hysteresis of the device 8 7 L and A external probe
17. isplay will for approximately 2 s take on the brightness corresponding to the selected level in order to allow the user to check the visual effect Lastly tap LIN to confirm your choice 7 11 Info This menu lets you view information related to the thermostat and reset the device Via Jand _ _ you can select eh displays the number of hours that the thermostat relay has been on the same as the number of hours of operation of the heating air conditioning system The counter can be reset for example at changes in season to differentiate between heating and air conditioning ur displays the software version of the device rSt returns the device to the factory default values resetting all the settings made temperature colours etc 7 12 Lock unlock PIN setting This menu lets you add change the password to inhibit use of the thermostat Using Z Janda _ _ set the three digits of the PIN one at a time and then confirm each set digit with L v If you wish to have free access to the thermostat so without it prompting you for a password it is suf ficient to set the PIN to 000 To reset your PIN if you forget the value you entered proceed as follows 1 Cut off power to the thermostat 2 Power up the thermostat again 3 Within the first 30 s i e before going into Standby mode go to the PIN menu and enter the new value 20 8 Summary table of thermostat parameters VIMAR
18. ithin which the user can adjust the temperature when the menus are inhibited following remote activation or entering the PIN When the thermostat is turned on remotely via the multi function input when suitably configured the control temperature is fixed and therefore cannot be changed with d Iu instead the user can modify the temperature within a certain range For example multi function input set as remote activation T comfort set at 20 0 C Setting the thermal delta to 0 8 C allows the user to change the temperature setting from 19 2 C 20 0 C 0 8 C to 20 8 20 0 C 0 8 C 7 4 6 Hysteresis of the device The menu via Z Jand xe lets you set the temperature range of the heating air condi tioning system between ON and OFF This value can also be changed via the submenu for ON OFF operation see par 7 8 The parameter cannot be changed if the thermostat i is set as PID operation For example Heating with setpoint on 20 0 C di 0 5 C gt gt gt 20 5 off 19 9 on 16 AAA VIMAR 7 4 7 External probe alarm temperature The menu via Z Jand Xe lets you set the temperature limit read by the external probe at which the thermostat switches off the heating system and triggers an alarm useful to protect underfloor systems against overheating To view this menu the external temperature probe must be set as a limitation see par 7 6 7 5 Calibration setting This menu lets you calib
19. ly activate the following modes Remote reduction conceptually similar to nighttime reduction it acts on the comfort set point instead of the manual set point Remote activation lets you activate the system remotely by setting the comfort set point The operating mode is selected via the SETTINGS menu see chap 7 AAA VIMAR 6 1 Switched off OFF In this mode the thermostat is turned off and you cannot make any adjustments in this case the OFF icon is displayed above the temperature indicator When the thermostat is OFF you cannot perform any operations other than activating the menus OFF my of IU Fig 6 Typical screen for OFF mode For heating only systems this mode is typically used in the summer 6 2 Manual ON This is the traditional operating mode The thermostat controls the room temperature and takes it to the value set by the user manual adjustment setpoint So gt SE C iq b ZEN Fig 7 Typical screen for Manual mode The set point can always be changed via L Jor N J In the process of setting the set point flashes the colour of the display may also vary providing an indi cation of the expected consumption associated with the setting being made green yellow red optimum consumption excessive consumption 1 Only if the colour set for the display is white CO or ECO see par 7 9 E VIMAR ARS Be 5 v
20. our choice 7 9 Colour setting This menu is used to select the background colour of the display In addition to the four default colours you can set a colour to your choice selected from the full range of colours or set ECO mode in which the display colour is a clue to the expected level of consumption in the building Via Z Jand N you can select rn e L LU white default colour Fi eL colour matching the Plana series L g colour matching the Eikon series Lj eL colour matching the Ark series custom colour takes you to another menu and via Jand you set a custom colour while the numbers scroll the display shows the corresponding colour in real time rn E L LJ ECO mode allows displaying a colour that depending on the set temperature is associated with the expected level of energy consumption Specifically green yellow red optimum consumption excessive consumption ECO mode therefore does not display the colour as a function of the temperature measured at that time but only in relation to the set point Lastly tap ZL to confirm your choice 19 AAA VIMAR 7 10 Standby brightness level setting The menu lets you set the brightness level when the thermostat is in standby mode Vi and _ _ select one of the following levels with gradually increasing brightness OFF While scrolling through the values when the selection stops on a certain level the brightness of the d
21. r refrigerating power of the system itself To take full advantage of its performance it needs to be suitably calibrated according to the type of environment and heating system in the light of this the following parameters must be set via the sub menus that follow this selection Th temperature of proportional band starting from the set temperature Tb is the temperature range in which the heating power goes from 096 to 10096 For example with the temperature for heating set to 20 0 C and Tb 4 0 C the thermostat activates the heating system on 100 when T ambient is lt 16 0 C as this temperature increases the system power is consequently lowered down to 0 when the ambient temperature reaches 20 C The value of Tb must be set consistently with the thermal capacity of the system in general it is rec ommended to use small values of Tb for environments with a good level of thermal insulation and vice versa Eb system cycle time this is the time in which a cycle of regulation is completed the shorter this time the better the regulation but the temperature control system is under greater stress This parameter setting is thus the result of a compromise between the accuracy of the regulator and 18 AAA VIMAR the load on the system in general the rule is that Tb can be that much higher and therefore put fewer demands on the system the slower the system or the larger the environment to regulate Tap VN to confirm y
22. rate the temperature read by the thermostat Via and you can add or subtract at intervals of 0 1 a fixed amount from the tempera ture detected by the thermostat to make it equal for example to that of a sample thermometer CAUTION For correct calibration it is recommended to wait until the thermostat has been on for at least 1 hour in a room at constant temperature Tap Z v N to confirm your choice 7 6 External probe setting This menu lets you configure how to use the external temperature probe installed according to the instructions in par 4 2 Via Jand you can select the following options OFF the external probe although physically present is ignored by the device e Adjustment the measured temperature flashes by enabling this function the thermostat will regu late the temperature of the environment based ONLY on the temperature detected by the external probe the temperature measured by the thermostat is ignored The temperature shown on the display will be that of the external probe identified by the 82 icon Display the temperature measured by the thermostat and that of the external probe are shown alternately on the display the external probe is only used to display the temperature in another environment On standby the display will alternate views of the internal temperature measured by the thermostat and external temperature measured by the probe and identifiable by the 82 icon Limitation th
23. ser friendly functions to facilitate energy saving Designed to control heating and air conditioning via C NC NO relay output Equipped with multi function input for remote control Input for management of an external temperature probe not supplied 2 Field of application The thermostat 02950 is designed to control room temperature by acting on the control circuit of the burner or circulation pump heating or on the control circuit of the air conditioner air conditioning ensuring an ideal temperature Thanks to a touch screen display with an extremely user friendly graphical interface the user can manage the system easily and comprehensively while keeping the environment in a state of energy saving 3 Installation The appliance must be installed on a wall at a height of 1 5 m off the floor in a suitable position for correctly detecting the ambient temperature It must not be installed in niches behind doors and curtains or in areas affected by sources of heat or atmospheric factors It can be fitted on the mounting frames of the Plana Eikon and Ark series Size 2 modules It should be used in dry dust free places at a temperature between 0 C and 40 C 4 Connections 4 1 Multi function input Depending on how it is configured the multi function input can be used to activate various functions of the thermostat see par 7 7 It is active if terminal IN is connected to the system live L if it is not connected or conn
24. tarting from Manual mode by touching ZN or remotely via the multi function input if enabled The display will show the nighttime reduction setpoint for approximately 2 seconds e he ILI f v Fig 11 Input in Nighttime reduction mode showing the reduction set point 10 AAA VIMAR Activation of this mode is identified by the 84 icon above the temperature indicator Do N 6 ILI b N Fig 12 Nighttime reduction mode To exit and return to Manual mode touch 84 N again 6 5 Antifreeze This mode which can only be activated when the system is operating in heating mode see par 7 3 lets you set a minimum temperature value to setpoint to avoid damage to the pipework or to keep it from falling below a certain safety level when you are away for lengthy periods in the winter The antifreeze mode is activated directly from the Settings menu see par 7 1 Once activated antifreeze mode is identified by the icon above the temperature indicator Fig 13 Antifreeze mode 11 AAA VIMAR 6 6 Remote reduction Remote reduction is a useful way to centralize energy saving if there are multiple 02950 thermostats in different rooms of the same house It is similar to Nighttime reduction mode with the only difference being that activation is by remote control Example Before going to bed using a simple switch all the thermostats in the house are set onto reduc tion
25. way temperature differs depending on whether you are in heating mode in which T away is less than Tcomfort or air conditioning mode in which T away is greater than Tcomfort Example While the user is away the thermostat sets the ambient temperature to 16 C 7 4 3 Antifreeze temperature The menu via J and Nem lets you increase decrease the value of the antifreeze temperature ro Antifreeze mode is used to set a minimum temperature level to avoid damage to the pipework or keep the room temperature from falling below a safety level see par 6 5 7 4 4 Nighttime reduction thermal delta The menu via Jand Xe lets you set the difference between the Nighttime reduction temperature and Tcomfort temperature or the temperature set in Manual mode The hysteresis is an increase decrease in temperature that is applied to the Manual setting when nighttime reduction is activated by the display or to Tcomfort when nighttime reduction is acti vated by the multi function input the thermal delta value is identical both in heating mode and in air conditioning mode with the only difference being that in the former case it causes a decrease in the set point while in the latter one it determines an increase The nighttime reduction mode can be activated either locally or via the multi function input if configured appropriately see par 6 4 7 4 5 User settable thermal delta The menu via Jand Sea lets you set the range of values w
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