Assembly and operating instructions in PDF format
Contents
1. e Runtime Counter 1 through 9999 hours the heating requirement time is recorded e It can be also used as a ON OFF Controller for example for oil or gas burners e Pump Valve protection the output is enabled every day for 3 minutes can be disabled e Room or setpoint temperature display selectable e Temperature display can be offset to meet individual needs e Manual output switch on off for a quick functional check e Changeover between heating and cooling for floor cooling systems there is no Optimum Start for cooling mode e LCD Display with clear simultaneous indication of Room Temperature Time Day Operation Mode Time Zone Temperature Zone e Menu driven operation through 4 keys e Elegant design 6 Function Description 6 1 Setting controller features The controller features can be set through menu items To access a menu select one of the operation modes w 4 SNX fh The relevant features are shown in Table III Note Record the selected settings on the graph below for later tests Hand over the instructions together with these records to your customer Checking the features Call the menu by 1 Press C until the arrow is on the required icon w a SN amp fp see Table Ill 2 Press and hold down o then press also Release first then Q The currently valid settings are displayed see Table III 3 Press to exit Changing the settings Call the menu by 1 Press unt2. Fuzzy similar to PID ON OFF Pulse width modulated PWM ON OFF selectable 10 min sum of on and off time of Pulse Width Modulation PWM indication of clock time room temperature day operation mode time zone 8 mm for temperature 6 5 mm for time Output signal PWM cycle duration Holiday function 5 40 C in steps of 0 5 Timer settable from 1 to 199 days Display LCD display with simultaneous and temperature zone Display size 29 7 x 21 5 mm wxh Digit size Clock Display mode 24 hour clock 1 minute steps Precision lt 10 minutes year at 20 C minimum switching time 10 minutes Temperature sensor Remote sensor NTC built in Type 193 720 length 4m or F 190 021 for wall mounting Sensor values 42 KQ at 20 C 26KQ at 30 C both extendable up to 10m Runtime counter Housing protection rating Device protection class Humidity Class Weight IP 40 100 g 1 to 9999 hours Il see 7 Installation Keep away from dew 10 Wiring Diagram cy gt Had Sensor O A J C 11 Dimensions A Disassembling the wire Disassemble by slightly pushing in from one side by means of a screwdriver for housing diam 60 mm as per DIN 49073
3. OO Use these keys to change the blinking feature arrow or digit O Use this key to confirm the value The arrow blinks by the next feature During programming this sequence is often repeated Use O or LO to change then confirm with Loy If you have finished setting a certain function the arrow is on Wyl To exit press Holding down or will cause a fast run of the digits e g when setting the clock To exit the current setting press No input for 1 Min will cancel the setting without saving Then the weekly program will be activated 2 2 Setting time day 129456 7 AAAAAAA Here you can set the time and day of the week 1 Press untill the arrow selects 2 Use or to select the current day 1 7 3 Press an hour position blinks 4 Use or to set the hour 5 Repeat steps 3 and 4 to set hours and minutes 2 3 Setting switching times to change the standard programme 12845607 D AAAA AAAA rrr a 4 ro gt gt l gt gt gt gt gt gt V If you need to change the standard programme here you can set 2 4 or 6 switching times per day One of the 3 temperatures can be assigned to these switching times see Table Il Switching times or 2 4 Setting tem peratures Setting switching times for the weekly programme The weekly programme is repeated week by week See also 2 5 Brief Tutorial 1 Press O untill the arrow sel
4. Position 1 Position 3 Position 2 Position 4 w l l ol l l 3 Controlling floor temperature with floor temperature limit The INSTAT 8 controls room temperature preventing an excessive floor temperature Heating is turned down when the floor reaches the pre set temperature even if the room temperature is still too low A remote sensor is required for floor heating To connect it see 7 3 The default setting is Programme P2 see Table II The valve protection is disabled To select it choose menu wY position 1 3 The highest floor temperature can be set in menu a items 3 and 4 The room temperature is displayed To display the floor temperature 1 set menu w floor temperature will be displayed as long as the menu is active While in the menu the temperature will not be refreshed 2 Press C to exit Do not press the other keys or you will change the settings In the event of a remote sensor failure with PWM floor will be heated with max 30 ON OFF control heating will be switched off The display will show 6 3 Setting the programmes The user can select one of these programmes to suit his or her way of life If required the switching times temperatures and number of switching times can be adjusted Selecting a heating system causes one of the programs to be automatically set see Table Il Programme P3 with 28 C floor temperature is a special programme for electric floor heating
5. When you select a programme the previously set Number of Switching Times and temperatures will be overwritten with the new settings of this programme The switching times will remain unchanged To select it choose menu wY position 2 6 4 Setting no of switching times per day According to the user s way of life 2 4 6 Switching Times per Day can be set If for example P1 with 6 switching times is selected the number of switching times can be adjusted if required 2 switching times per day only the switching times for Av _ and are used 4 switching times per day the switching times for Xx and x are not used 6 switching times per day all switching times are used When programming the switching times the unavailable switching times will not be displayed To select it choose menu w position 3 6 5 Control action For PWM setting a item 1 0 see 6 1 The control calculates a control value from the difference between setpoint and actual temperature according to an intelligent control algorithm This value is output as variable Pulse Pause ratio Pulse Width Modulation The control algorithm used causes the room temperature to remain constant For that purpose a reduced amount of heat should be supplied even if the setpoint temperature has already been reached The sum of Pulse and Pause times is constant and equal to 10 minutes If temperature difference is greater the control is permanently switched on
6. day The device automatically determines the time when the heating process must begin in order to reach the required room temperature within the set time for example it may start heating already at 5 00 a m instead of 6 00 a m When you leave the house and the automatic programme is enabled k Press The pre set temperature appears for few seconds The arrow is by C 2 Use or to set the temperature if required 3 Press to confirm Otherwise after 5 sec here will be a auto accept When you return home and the set back temperature is enabled 1 Press The temperature of the actual event is displayed for a few seconds The arrow is on the current programme step 2 Use or to change the temperature if required 3 Press to confirm Otherwise after 5 sec here will be a auto accept 1 3 The weekly programme w 1234567 3 gt This programme allows you to repeat the same programme every week To set up the weekly programme press G till the arrow selects wY The screen indicates the current actual temperature and the time The current actual temperature and the time of day are displayed The arrows indicate the day of the week 1 7 the current day time range Kh rx X yy SLY O andthe setpoint temperature range jj J 1 4 The daily programme 4a 1234567 d gt This programme allows you to repeat the same program on a day by day basis d X To set up the daily programme press C untill the arr
7. or off for example for temperature setback Behaviour of Puls Pause Ratio according to Temperature Pulse Pause Ratio 100 continuously on control value 0 continuously off Setpoint Output signal 1 1 0 min 10 min 0 min 10 min Temperature For ON OFF control setting see a Jitem 1 1 see 6 1 If the setpoint temperature is not reached the output switches on if the setpoint temperature is exceed the output switches off again This change over occurs at least every 10 minutes if room temperature is constant Setpoint Temperature Ill Controller features 6 6 PWM or ON OFF Control Pulse Width Modulation is the best procedure since it allows reaching a quasi constant behaviour of the controlled system PWM is specially suitable for electric heating pump control or when electrothermal actuators are used In those cases where a frequent switching of the actuating element is to be avoided such as direct burner control or in those applications where the fact of exceeding or falling below a temperature is reported the ON OFF control should be used 6 7 Optimum start The device automatically determines the time when the heating process must begin in order to reach the required room temperature within the set time Setting menu SN position 1 see 6 1 The control calculates the pre heating time from the time of the last heating up based on the current temperature difference see notes a b The Opti
8. the controller is switched off via function 2 8 6 9 Temperature display If the temperature exceeds the high or low limit of the display range the writing ooo or uuu respectively will be displayed This can indicate a sensor failure as well Temperature is measured and displayed every 15 seconds If the temperature displayed by the control does not meet the expectations it can be adjusted according to the relevant environmental conditions see 6 10 Reason As the controller is flush mounted external factors such as very insulated masonry or ventilated panelling can affect measuring conditions Such influences can be avoided by using a remote sensor see 6 2 1 6 10 Temperature display offset A variation in steps of 0 1 degrees for 4 0 15 degrees is possible Set up procedure 1 Make sure the controller has been operating for at least 1 hour 2 Measure room temperature using a thermometer you trust directly nearby the INSTAT 8 1 cm away from the wall 3 Set the INSTAT 8 temperature to the measured temperature by 3 1 Select menu set position 3 to 1 See 6 1 3 2 Press key Room temperature is displayed and blinks 3 3 Use or G to set the desired temperature 3 4 Press to confirm The modified room temperature is displayed To cancel the change 1 Activate Reset see 6 15 2 While only the above row is displayed no temperature set position 3 in Menu to 1 see 6 1 3 Press to conf
9. 468 931 002 942 User s and Installation Manual INSTAT 8 Pa Cm Days 1 Mon 2 Tue 3 Wed 4 Thu 5 Fri 6 Sat 7 Sun Extra daily programme 1284667 Morning AAAAAAAA amp neater O ot oy pee t 2 Afternoon Evening Night Switching Times Group Day Time Range Weekly programme Daily programme Manual operation Party Holiday Time setting Temperature Range Group AAA AAAAA Switching time setting Temperature setting Comfort temperature Standard temperature Setback temperature Arrow on icons Access protection Sensor failure Cooling mode vue lt ia n COG BHU Heating is active Mode key 1 Operation Use to select the operating modes w 4 SN amp fh 1 1 Manual operation These functions allowe manipulating the temperature without changing the programme Manual operation can be carried out in two ways Temporary changing temperature 1 Press key or G till needed temperature is displayed M To check the temperature without changing exit by pressing Y 2 Press to confirm Otherwise after 5 sec here will be a auto accept The actual temperature is displayed again This temperature is used until the next program step This procedure is valid only when the Weekly programme w the Daily programme 4 or the Party is enabled Permanent changing temperature by programming the manual operation N The set temperature
10. Dabs soni temperatures P2 4 21 C 18 C 15 C aay HEA ETE tures will be overwritten with the function will end at 00 00 h and the weekly programme will be enabled To set 6 switching times Da bloc Mousa see 2 4 3 z z the new settings of this pro To terminate this function earlier select another operation mode b The unit of minutes cannot be set Day block Mon Fri ize 4 28 C 18 C 18 C Floor heating for example in the bathroom sramme gt Resolution 10 Minutes Day block Sat Sun P4 5 Za IE 18 C here Room heating The switching times will remain E tai fail had erwiilt FA c Switching off times do not need to be entered The next start time Comfort P5 gt 21 C 18 C 18 C a OE unchanged E i peices poke samen aN cotta a mana automatically is set as the previous switch off time ag ee n power is restored the counter will start operating again from the moment when it was interrupted 2 Programming Standard Temperature Setback Temperature Noon Afternoon Select day time range using keys and d If several switching times use the same temperature Set all these switching times to the same temperature Evening Nigh e The night switching time can also be set after midnight until 5 50 Et amm D a m for example switching time 2 30 the temperature will be decreased at 2 30 To set 8 temperatures temperature range Programme selection see 6 3 The standard programms are factory pre set
11. They shall simplify programming Weekly Programme w Daily Programme Minnie Scroll the menu upwards or downwards to set other days m Set start Start time Temperature Start time Temperature Start time Temperature The switching times andi temperatures should be n iek pasible tosse danong ihiree presser temperstires whiciean be a a BEV Mon Tue Wed Thu Fri P1 P2 P3 P4 P5 Sat Sun P1 P2 P3 P4 P5 P1 P2 P3 P4 P5 programmed only if you need to vary the factory changed as discussed under section 2 4 Setting temperature Settings temperature tetandard See Table II of temperatures and switching times are independent If one of the E value z Morning 6 00 z i iaa a a a a Temperatures is changed such change will affect all settings the 830 5 corresponding temperature was assigned to under 2 3 8 E aa s xXx rorenoonj o Mpera elect Programming allows setting the following o ae Temperature x Noon e Time Setting switching times z sabak E EIT o Switching Times O for an additional daily programme E t eee when the set temperature should be reached The daily programme is repeated on a day by day basis mnnm hg o switching time y Evening e e Temperatures O Select 4 as described above under section 2 3 step 2 or desired room temperature Carry out the above procedure with the exception of item 11 In this way voae Exit Night s e Other F
12. e cece eee ees 2 4 Setting temperature 2 5 Brief tutorial 2 6 Reset 2 7 Access protection 2 8 ON OFF function 2 9 Power failure 2 10 Cleaning Tips Tricks Troubleshooting Use Features Function Description 6 1 Setting controller features 6 2 Setting heating systems 6 3 Setting the programmes 6 4 Setting no of switching times per day aA uw Bb WwW 6 5 Control action 6 6 PWM or ON OFF Control 6 7 Optimum start 6 8 Valve protection 6 9 Temperature display 6 10 Temperature display offset 6 11 Switching between heating and cooling 6 12 Output manual Switching On Off 6 13 Displaying room or setpoint temperature 6 14 Displaying operating hours 6 15 Erase Reset 6 16 Display the symbol gt 7 Installation 7 1 Mounting 7 2 Electric connection 7 3 Connecting the remote sensor 8 Start Up 9 Technical data 10 Wiring diagram 11 Dimensions Only sections 1 2 and 3 are intended for users All other remaining sections are for the installer Temperature timing chart Standard Programmes for Mon Temperature 23 5 22 ye l 6 Switching Times P1 TE 4 gt 8 10 12 14 16 18 20 22 24 Time 2 Switching Times P5 ae Cen Ge Gea eee A See 10 12 14 16 18 20 22 24 Time Temperature 4 Switching Times P2 i I gt 8 10 12 14 16 18 20 22 24 Time Optimum Start Illustration of daily temperature behaviour with 2 4 6 switching times per
13. ects The arrow blinks by number 1 Monday 2 Use or to set the day 3 Press The arrow is blinking in the Day Time Range at 4 _ Morning The switching time and temperature for this event are displayed 4 Use or to select the desired switching time x xx 3 x yy Afternoon Evening Night Morning kas Forenoon sA Noon C Pa 5 If only 2 or 4 Switching Times are set some switching times are skipped 5 Press The switching time digits blink 6 Use or to set the digit 7 Repeat steps 5 and 6 for each digit After is pressed to confirm the minutes the arrow blinks by so that you can set the temperatures 8 Use or G to set one of the 3 temperatures 9 Press to confirm The arrow blinks by vx yx XE rx xN C 10 Repeat steps from 4 to programme more switching times 11 If the arrow blinks on the last icon by C the setting of the following day can be changed using If the arrow blinks on the first icon X _ the setting of the following day can be changed using 12 Press C to exit programming mode Additional Programming Details a In addition to single days of the week you can also set blocks of days All the days in a block are set to the same switching times and tem peratures The following blocks are available Mon Fri Working days Arrows blink on all these days Sat Sun Weekends Mon sun All days Setting is carried out as d
14. escribed in above step 2 Press or until the required range blinks If only few days are different from the other days of the week you can Checking switching times To determine which switching times are set 1 Select the required day of the week or the extra daily programme a the blocks can only be checked as individual days 2 Use or to select the Switching Time _ Che yy HE ty SY don t press 3 Press to exit 2 4 Setting temperatures C If you need to change the pre set temperature here you can set 3 temperatures These temperatures can be assigned to the respective times see Il Switching Times Table 2 3 Setting Switching Times 1 Press C untill the arrow selects The arrow blinks in the temperature group j 2 Use or to select one of the 3 temperatures The corresponding temperature is displayed Press The temperature blinks Use or to set the temperature Press The arrow blinks in the group temperature To programme more temperatures repeat all steps starting from 2 7 Press C to exit programming mode Note Settings of temperatures and switching times are independent If one of the temperatures is changed this change will affect any setting the corresponding temperature was assigned to as described under 2 3 Setting switching times Checking temperatures Carry out steps 1 and 2 above to determine which temperatures are se
15. il the arrow is on the required icon wy 4 SN amp fh see Table III 2 Press and hold down CO then press also a Release Gfirst then 3 The currently valid settings are displayed see Table III The first position in the menu blinks Record these values on the graph below if not already done 4 Use O to move to the required position re adjust the previous values if required 5 Use or to set the desired digit 6 Press O until you exit the menu If you exit the menu by pressing a the settings will not be stored 6 2 Setting heating systems The INSTAT 8 supports 3 heating systems 1 Controlling room temperature Either the INSTAT 8 built in sensor or a remote sensor if connected see 7 3 can be used to control room temperature The default setting is Programme P1 see Table II To select it choose menu w position 1 1 If the event of a remote sensor failure the control will switch to the built in sensor 2 Controlling floor temperature The remote sensor is used to control floor temperature The floor temperature is displayed To connect it see 7 3 The default setting is Programme P3 see Table II The valve protection Is disabled To select it choose menu wY position 1 2 In the event of a remote sensor failure with PWM floor will be heated with 30 ON OFF control heating will be switched off The writing ooo or uuu will appear on the temperature display Enter the set values here
16. in the evening The function Going out Returning home allows an immediate temperature setback see 1 2 Troubleshooting It gets warm too late a Do the programmed switching time and clock time agree b Is the Optimum Start enabled See 6 7 c Did the control have enough time a few days to acquire data on the room d Is the previous switching time sufficiently far to allow the warm up time BE The device won t accept any data input Is the Access protection switched off See 2 7 If need be activate Reset see 2 6 The display shows 000 uuu or The temperature has exceeded the display range see 6 9 Or the remote sensor is damaged see 6 2 also indicates the access protection see 2 7 Setting the time Select Set Confirm Select 1234567 z 1 Monday 7 Sunday OK Function time setting see 2 2 ae Set the time Back to weekly programme Step 2 Setting temperatures Select Set Confirm a PE a The selected temperature is enabled immediately for the number of days programme the whole week first by means of the Mon Sun block all see 2 3 l Programme Switching Times F E 5 Main Application When you select a programme you have set days Function ine previously ser aber or i i i Then ou can change the different days Single days ee P1 6 21 C 18 C 15 C Room heating Switching Times and tempera Everyday at 00 00 h the day counter will decrease by 1 When the value is 1 y 8 ys
17. irm The temperature display disappears After 2 minutes the unchanged temperature is displayed Feature Menu KOLON Pre set Heating system w 1 Room Programme w 2 acc to Heating system g Switching times per day acc to Heating system Value Number 1 Room 1 2 floor 3 floor with temperature limit 1 P1 2 P2 2 3 P3 4 P4 5 P5 2 2 sw times 4 4 sw times 3 6 6 sw times Valve protection w 4 On for room heat 0 Off 4 Off for floor heat 1 On Control d 1 PWM 0 PWM 5 action 1 ON OFF control display d 2 don t show 9 0 dont show S 1 show os 6 Temp limiter d 3 4 35 position 3 10th 7 Temperature position 4 1 Optimum Start ZN 1 On 0 Off 8 1 On Room or Setpoint AN 2 Room Floor Temp 0 Room Floor temperature 9 temp display 1 setpoint temperature Heating Cooling aX 3 Heating 0 Heating 10 Change over 1 Cooling key as AN 4 disabled 0 disabled 11 Coming in Going out 1 enabled free a 1 2 12 13 Temperature a 3 1 offset 14 Offset 0 no offset Relay On Off a 4 1 Relay On 15 0 Relay off Runtime cb is displayed as long as 16 counter Qis pressed 6 11 Switching between heating and cooling The INSTAT 8 can be used also for cooling for example for floor cooling only cooling The Optimum Start and the temperature limiting function are not available in this case Setting menu SN position 3 see 6 1 x is displayed permanently indicating that c
18. is permanently maintained You can exit this mode by selecting another operation modes w a A fp 1234567 4d A gt lt gt Jat a ct 1 Press z untill the arrow selects SN 2 Use or to set the temperature 3 Press G to confirm Otherwise after 5 sec here will be a auto accept The actual temperature is displayed again 1 2 Going out Returning home function If you leave the house it is possible to decrease the temperature by simply pressing key If you press it again the control will switch back to the programme this function has to be previously set up see 6 1 It is enabled only in operating modes w and a The Night temperature is always used as setback temperature The setback temperature is enabled until key or is pressed again or the switching time 6 00 of the next day then the automatic programme takes over again Table of Contents Temperature timing chart Il Program and Switching time table Operation 1 1 Manual operation sccscsseeessdinadianddats nein DN 1 2 Coming in Going out 1 3 Weekly programme occ cece eee eee ene w 1 4 Daily programme s 459 092 ries ciaccenennnc eae dY ES Pany oeresma en ain a a E E E vases x 16 Holiday TUNGOR svvsvewssvaca iacxteauindauwcetiddds chp 2 Programming 2 1 General programming information 2 2 Setting time day oven eesviwscsceeededede eases 2 3 Setting switching times 0 cec
19. l to power mains wires for example inside a raceway e Lay sensor inside a protective tube for replacement The remote sensor will be recognised after power on or when pressing reset 9 Technical Data Ordering name INSTAT 8 EDV No 0525 35 2 Power supply Power consumption lt 3 VA Reserve power Relay for load Switching current Capacity for electro thermal actuators 3 W Setting of air setpoint temperature floor setpoint temperature floor temp limiter Display range actual temperature Operating temperature storage temperature Control algorithm Measuring interval 10 pcs 0 40 C 20 60 C 15 seconds Install the control see 7 Connect the remote sensor according to the heating system see 6 2 Energise the control Set the clock time see 2 2 Set the control to the available heating system see 6 2 Set the remaining features see Table III 7 Customise the programme if required OUA UNS The control is now ready to operate It works according to the standard programme for the specific heating system see table Il Note e After 1 minute the room temperature is displayed e The exact room temperature is displayed after half an hour 230 V AC 195 253 V 50 60 Hz about 4 hours see 2 9 1 potential driven c o relay 8 A cos 1 2 A cos 0 6 5 40 C in steps of 0 5 K 5 50 C in steps of 0 5 K 10 49 C in steps of 1 K 0 60 C in steps of 0 1 K
20. mum Start function applies only to the heating up stage The device is switched off in the lower temperature direction at the programmed moment For PWM During the heating up stage 100 heat is required Immediately before reaching the setpoint temperature the control changes to proportional heat demand For ON OFF control 100 heat is supplied until the setpoint temperature is reached After that heating is switched off Note a The maximum limit up to which the controller can extend the pre heating time is the previous switching time b At the first start up after the function Erase or Master Reset or at the beginning of the heating period the control still does not have any valid parameters For this reason it is possible that during the first pre heating stage the setpoint temperature is not reached within the programmed time Adjusting to the specific room conditions can take several days 6 8 Valve protection The valve protection function prevents the valve from sticking due to deposits of particles for example during summertime Such function will be enabled every day at 10 00 a m The valve will be turned on for 3 min heating or 7 min cooling This function is active also during the normal heating operation This function should be switched off if electric heating is used Setting menu w position 4 see 6 1 Note Vale protection is active if Heating System Controlling room temperature even if
21. on 1 Use a pointed object to press the hole between the o keys and press at the same time then 2 release o and after 2 seconds release Then enter the time and day again Operating mode reset WARNING This instruction erases all settings executed by the Installer A wrong setting can damage the heating system This instruction resets the factory set settings All functions described in Table IIl Features are reset to the previous value To activate this function 1 Press O O and o simultaneously 2 Release 6 and then after 2 seconds release _ and Now all icons on the display are active 3 press o WARNING Enter the settings relevant to the correct operation of the heating system again See 6 1 Enter the set values here Master Reset To reset everything to the initial state carry out an operating mode reset first and then an erase procedure 6 16 Display the symbol It can be selected if the symbol is displayed or not In mode heating the symbol Y shows the state of the relay If control action PWM the symbol may change each 10 Min To select choose menu 4d position 2 1 see 6 1 7 Installation Warning This device should be installed only by a qualified electrician according to the wiring diagram on the device and in comp liance with all applicable safety regulations To obtain compliance with the Protection Rating ll the corresponding protection measures a
22. ooling mode is active 6 12 Output Manual Switching On Off To carry out a quick test the output relay can be manually switched on off by pressing 5 key Setting menuA position 4 see 6 1 After exiting the function the output is reset to normal operation within 15 seconds 6 13 Displaying room or setpoint temperature You can select if room or setpoint temperature should be permanently displayed Setting menu SN position 2 see 6 1 6 14 Displaying runtime This display allows reading the number of hours during which heat was requested by the control Request menu fp see 6 1 The hours will be displayed for as long as the keys are pressed The hours are counted starting from the last Erase see 6 15 The counter is not affected by the display function Entire hours are displayed for example 010 10 hours 6 15 Erase Reset Reset When unexplainable results occur the reset key should be pressed All data are maintained except for the time and day of the week To activate Reset Use a pointed object to press the hole between the o keys Then enter the time and day again Erase reset of switching times and temperatures To reset the factory set switching time and temperature settings The following settings are affected runtime counter 0 switching times and temperatures standard values time day 0 00 Mon Optimum Start parameters standard values To activate the erase functi
23. ow selects a The screen indicates the current actual temperature and the time The arrows indicate the daily programme the current day time range ay XE yy SLY and the setpoint temperature range D 1 5 Party Boost programme 9 To override the programmed temperature for a period of 3 hours After 3 hours the control will return to the weekly programme 1 293 45 697 gD Enabling the party function 1 Press C untill the arrow selects Now the evening temperature is activated for 3 hours 2 Press or to set the temperature if required 3 Press to confirm Otherwise after 5 sec here will be a auto accept 1 6 Holiday function fD This function allows the selection of a temperature 5 40 C for a certain number of days 1 199 Once such period has elapsed the control will switch to the weekly pro gramme at 00 00 h midnight of the last day 1 Press till the arrow selects fp The pre set number of days is displayed e g 1 1 day 2 Use or to change the day counter 3 Press G The temperature blinks 4 Use O or to change the temperature if required 5 Press to confirm Otherwise after 5 sec here will be a auto accept The number of set days is displayed 2 1 General programming function For settable functions the following procedure applies O Press this key untill the required function is selected The arrow blinks at the feature
24. re to be applied at the time of installation refer to VDE 0100 This device which can be mounted independently is used to control the temperature only in dry rooms under normal environmental conditions This device is shielded according to VDE 0875 and EN 55014 and operates according to the Performance class 1C EN 60730 7 1 Mounting The control should be mounted in a location of the room that e is easily accessible for operation purposes e is free from curtains cabinets shelves etc e allows free air circulation e is not subject to direct sun radiation e isnot subject to air flows for example window door opening e is not directly affected by heat sources e is not on an external wall e is located at 1 5 above the ground Fitting in a conduit box 60 mm e remove the frame e remove the display cover gt Mount it following the reverse procedure 7 2 Electric connection e disconnect electric circuit from supply e Connecting according to Wiring Diagram see item 10 e for bulk conductors cross section 1 to 2 5 mm2 e Insert the conductor 10 mm inside the terminals 7 3 Connecting the remote sensor The INSTAT 8 is fitted with a built in temperature sensor Depending on the application a remote sensor may or will have to be connected See 6 2 e according to the wiring diagram by means of wire bushes e The remote sensor can be extended using a 230V cable up to 10 metres Avoid narrowly laying sensor wires paralle
25. t Press _ to exit 2 6 Reset Reset When unexpected results occur the reset key should be pressed All data are maintained except for clock time and day of the week To activate Reset Use a pointed object to press the hole between the o keys Then enter the time and day again 2 7 Access protection This protection prevents control settings from being changed It can be enabled only if the control is in one of the operation modes w DANY Enabling the protection 1 Press and hold down key O then press also Release first then O 2 A is displayed Now the values can not be changed any more Disabling the protection 1 Press and hold down key O then press also a Release first then 2 disappears Now you can enter values again 2 5 Brief tutorial on INSTAT 8 To change the programme follow steps 1 and 2 Forenoon be Afternoon F Comfort 1 Standard 2 Setback 3 Ist Step Set the switching times see 2 3 For ex switching time 12 00 is the beginning of time rage Noon 2nd Step Set the temperature See 2 4 Step 1 Setting switching times Select Set Confirm Function setting switching times 2 8 ON OFF function By pressing for 5 Sec the INSTAT 8 can be switched ON and OFF In state OFF the heating system will not be switched ON The INSTAT 8 remains on power supply Switching OFF Press O for 5 Sec UFF will be displayed ins
26. tead of the time Switching ON Press G for 5 Sec The time will be displayed instead of OFF Note If heating system Controlling room temperature is selected the floor temperature will be shown not the room temperature 2 9 Power failure In the event of a power failure clock and day continuo to work for 4 h if the device had been charged for at least 3 hours The display is off during this time All other data remain saved Later clock and day has to be set again 2 10 Cleaning Use a soft damp cloth and a mild detergent 3 Tips Tricks Troubleshooting o If you have certain days that don t fit the regular setting of the weekly programme In this case use the separate daily programme _a gt There you can programme the switching times and temperatures required for this specific day ve If you leave the house during these days press C to switch to the daily programme a You would like to go on holidays and ensure the highest possible energy saving during this period Use the Holiday function see 1 6 You would like to keep the temperature at a certain value till further notice Use the Manual operation see 1 1 You would like to change the temperature for a limited period of 3 hours Use the Party function see 1 5 You leave the house and would like that the temperature returns to your usual values at the next programmed time Use the Manual operation see 1 1 6 You would like to go out
27. unctions weekly programme settings won t be affected The electronic Room Temperature Control INSTAT 8 can be used to control the room temperature via e Actuators for floor and convector heating systems e Oil and gas fired hot water heating systems e Circulating pumps e Heat pumps e Electric space heaters e Electric floor heating systems e Room temperature control with floor temperature limit e Three different heating systems inside the same device room control floor control and room control with floor temp limit e Fuzzy Control with PWM output Pulse Width Modulation e Optimum Start the desired temperature is reached within the set time can be disabled e 5 Pre set programmes with 2 4 6 switching times e 3 adjustable temperatures comfort standard night e 2 4 6 selectable times for each day each time can be assigned one of the 3 temperatures blocks of days can be used e An extra daily programme for special cases such as holidays in addition to the weekly programme e Manual Operation that enables changing the temperature until the next programme step permanently changing the temperature e Going out Returnig home function for a quick temperature setback e ON OFF function e Access protection e Holiday function a certain temperature can be selected for a settable number of days e Party Function the evening temperature is maintained for 3 more hours with manual temperature change
Download Pdf Manuals
Related Search