User Manual - Alternative Heat
Contents
1. Temporary override To temporarily override any temperature in the 4 event schedule program press the UP button once to show the temperature in the display and press UP A or DOWN v again to increase or decrease the temperature The display will flash for 5 seconds and will then revert to the time The override will operate until the next programmed event when the thermostat will resume the automatic programme 0 Cancel comfort mode temporary override To cancel the temporary override press the OK y button twice Manual mode eV AV Permanent override During holidays the scheduled 4 event program can be overridden Press the OK y button and then the UP A DOWN v button until the override temperature is set The set temperature will remain in the display and the unit will now operate to this temperature permanently Cancel manual mode To cancel the permanent override state press the OK button once and the unit will resume automatic function 21 Programming 4 Event Clock Time and Temperature For each event the start time and required temperature needs to be set For example in the morning you wish the heating to start at 07 00 and the temperature to rise to 25 C Press OK y button for 3 seconds and the start time is displayed Change this to 07 00 with the UP or DOWN v b2. LL 8 HO OL VHO 6 6 HO 8 8 HO 4 9 9 HO S S HO HO 4 c HO L L HO sjejsouueu sdoo euoz indino speeu Sjejsouuou LN3ETO JHL HLIM NOLLOQHLISNI SIHL 3AV31 3SV31d edA 1e1souueu pue y Buses jo jequunu y euoz y UMOP M sejqeue yeyo 941 Josues pwl NIN pue 1ueunsnipe M g pue sdoo u yoyy L L HO uoz inding speeu ouu uL 1elsouu uL jdwexg Aaqunf SDINO 312271925 fO
3. gt AV V Press the UP A or DOWN v buttons to select 9 the correct minutes and press OK button V pp WV V Then press the UP A or DOWN v button to 210 select the correct day and press OK v button AREA SETUP see next page 19 Ar ER ArEA Group of rooms The rooms that are to be set as part of the WLCT2 area will follow the temperature settings of the room controller example an area could be the living room kitchen and children s rooms having a high room temperature requirement during afternoon and early evening and a lower temperature during the early part of the day and at night Each room sensor will have a channel number designated CH1 CH2 etc The appropriate channel number of any room sensor is determined by the numbered output on the master control which is actually switching the valve actuator for that area For example a system may have the kitchen room sensor operating master output 4 and the childrens room sensor operating master output 5 If the WLCT2 room controller is then situated in the living room and operating output 1 then the WLCT2 need be programmed to control outputs 1 4 amp 5 Each room sensor will have been set to operate its appropriate output ch see separate instructions To do this enter the ArEA sub menu and press OK V button CH 1 will be displayed use the OK V button and then the UP A button to change the setting to ON Press OK
4. 57640A 11 08 DJU ELECTRONICS www oj dk taking comfort further CONGRATULATIONS LJ r m m t m Congratulations with you new control system for underfloor heating and cooling The control system has been developed to provide a temperature control system for room heating and cooling integrating the switching of primary heating and cooling sources with the control of water temperature and mixing devices This ensures the best possible comfort conditions and also reduces energy consumption Highlights of the system depending on equipment Heating and cooling control for true comfort Humidity sensor to prevent condensation on floors Energy saving comfort with adaptive function Area control for easy operation Flexible installation for wired and wireless connection Network communication for large applications Easy installation with plug and lead connections Optional weather compensation OOS BR 0965 A10 Quick guide analogue room sensors essere Quick guide WLCT2 programmable Room controllers Quick guide for Master modules essen Trouble sHoOti0gu s i Master with Display Type WLM2 Introduction Supply Water Temperature Control Using outdoor compensation module for weather compensation Service
5. Day 6 7 Ch 11 Off x 08 00 22 C 22 C 22 C 50 C Ch 12 Off 23 00 17C 17C 17 C 30 C Ch 13 Off Other settings Ch 14 Off 4 event sequence 4 52 4 52 4 52 4 52 High floor limit 27C 0 27 C temperature Example Low floor limit temperature 176 Ire MES Ch 1 Kitchen On Special settings Ch2 Living room On 2 step time 60 min nsert the room name in the box 2 step temperature i P 2 5 against each Ch number and add ON difference if it is controlled by a clock thermostat 27 Domestic hot water control It is possible to control the domestic hot water temperature with a special version of the WLCT2 called WLCT2 X9 HW to ensure optimum energy saving A hot water sensor is connected to the controller and measures the temperature in the storage cylinder Tochange the temperature of the domestic hot water just change the set point in the WLCT2 X9 HW by using the up or down button The 4 event system in the WLCT2 X9 HW can be used to save energy when hot water is not needed WLCT2 HW Radiator control It is possible to control a radiator circuit room temperature with a special version of the WLCT2 called a WLCT2 X9 R to ensure optimum energy saving The controller measures the temperature in the room and a zone valve is then controlled via the WLM2 master which in turn activates the boiler on demand e To change the temperature of th
6. The fault is corrected by changing the temperature sensor If the sensor has been removed deliberately to change the operation of the system follow the HARD RESET instruction below E6 6 flashes Internal overheating The master has its own internal safety temperature protection system The problem is corrected by improving the ventilation around the master module E7 7 flashes Defective internal overheat sensor The Master will control as normal however the protection against internal over heating is no longer active The fault can only be corrected by replacing the master module E8 8 flashes The communication to the AO module has been lost The fault is corrected by re establishing the connection to the AO module or by changing the AO module if it is defective or if it has been deliberately removed with a HARD RESET E9 9 flashes Indicates total number of input units exceeded Please refer to factory or your local service engineer E10 10 flashes No connection to wireless receiver type WLRC2 19 E11 11 flashes Step 2 on 2 step controller WLCT2 X9 2 is used by another room sensor controller 15 Only one error fault condition can be shown at a time If more than one error occurs they will be prioritised in the shown sequence E1 2 3 16 Flashing output LED red The appropriate output channel LED can flash indicating that the room sensor or room contoller on that channel has a fault error The failure code can also be
7. factor 0 1 Floor Limit temperature control P control P 4 C Adaptive PWM control Max allowed Room temperature fluctuation 0 5 C Self adjusting adaptive PWM time interval limits 15 45 minutes Max number of connected Wired and wireless 24 sensors Sensor timeouts Wired 300 sec 5 min Wireless 10000 sec 2h 45 min FS Minimum cooling supply water temperature 16 C Supply water temperature PI control 20 control 300 sec K factor 0 05 14 Error Indication During normal operation the power LED will be ON when the master control is energised The red output Channel LED s 1 to 8 on the master and 9 to 14 on the add on module will indicate if the channel output relay is ON OFF An error fault message is shown by flashing the power LED or one of the red output Channel LED s From the number of flashes on any one LED the problem can be diagnosed and identified from the following The error number will be indicated by the number of flashes with a pause of less than a 1 2 second between the flashes The indication will be followed by a pause of 2 seconds following which the sequence will be repeated The failure code can also be seen in the service menu on WLM2 FS MASTERS submenu 2 Flashing Power LED Red and green Communication to the network has errors On the network master it tells that one or more masters are not communicating On a network slave it tells that communication to the network m
8. to E11 if a failure is present See page 13 for explanation LS Low signal on wireless room sensors controllers OK LB Low battery on wireless room sensors controllers Submenu 2 OU C08 OU C01 1U E1 Cog ou C02 1U OK C10 OU 20 oU Co GTa Push accept to enter and see which unit has the failure C05 OU C13 ou Submenu 2a C06 OU C14 OU C07 OU C15 OU Network Status normally hidden TOTAL X If a network master detects a network this menu entry is shown Pe Here it is possible to check the status of the network m TOTAL X Shows how many masters the network master detects x is the amount of connected masters NET OK No errors detected in the network ERROR ON IDxx Shows if any of the attached masters has local errors IDxx tells which master it concerns The ID number is what the encoder on the master is set to NET ERROR Tells that one or more masters on the network has stopped communicating Please use the menu entry below to check which masters it concerns Push accept to enter Using the up and down button select which masters status should be shown on the right side of the display nd see which master it is that has the error and what error it is gt 1011 72 E CHANNEL ID12 2 1021 2 Possible Errors LOADING STATUS STATUS OK NET COMM ERROR E1 E11 E CHANNEL Receiving info
9. y and CH 2 is displayed Use the UP A button until is displayed press OK V and change to ON Repeat this for CH 5 All three room sensors will now operate under the control of the WLCT2 room controller In total up to 14 Channels can be programmed in this way and it is possible to have more than a single room controller each own sub room sensors operating to its schedule and temperatures CH On r Set the Channels Rooms Ch to ON if they should follow the settings CH 2 OFF of this clock thermostat In total 14 channels rooms can be controlled 20 4 Event Clock Mode Return 4 event clock mode automatic mode Daily Use of the room sensor The day has been split into 4 events describing a typical day When the room sensor is in this 4 event mode it will change the temperature to the required level automatically at the programmed times As standard the room controller has days 1 to 5 Monday to Friday with 4 events and days 6 and 7 Saturday and Sunday with 2 events Each events allows you to increase or decrease the set temperature For programming see page 17 Please see page 18 PRO 4 event sequence to alter the daily event sequence In automatic mode the clock function symbol and one of the 4 event symbols 3X Cr Cr will be indicated Programming page 17 Comfort mode re AV 5
10. 25 Adaptive function This function enables the thermostat to calculate when it needs to switch ON so that the required temperature is reached at the set time With a start time of 07 00 therefore the thermostat may switch ON as early as 06 00 so that the desired temperature of 2 5 C is achieved by 07 00 Without this function set the thermostat will start to heat at the time you set gt V V Press the DOWN v button to switch between on and off 208 Press OK y button to confirm OFF oe ESC Escape Press OK V button to end programming and to return to scheduled 130 programme Reset to fatctory Settings room controllers NOTE If more than one WLCT2 is present on the system please copy this page Press the pin button R for 3 secs and the thermostat returns to Group Room factory settings R Remember to set time day and area Ch 1 Off Ch2 Off 4 event time and temperature Own settings Ch3 Off Standard Special Special Special WLCT2 x9 WLCT2 x9 R WLCT2 x9 2 WLCT2 9 HW Ch4 Off Time Temperature Temperature Temperature Temperature Time Temperature Ch5 Off Day 1 5 Ch6 Off bea 06 00 21 C 21 C 21 C 50 C Ch7 Off 08 00 19 C 19 C 19 C 30 C Ch8 Off ok 16 00 22 C 22 C 22 C 50 C Ch 9 Off 22 30 17C 17C 17C 30 C Ch 10 Off
11. A limit sensor can be connected to the room controller Max limitation is used for safety to prevent high floor temperatures For example wooden floor constructions which should not be allowed to exceed a maximum of 27 C The value can be set from 5 C up to 55 C The value can also be set to OFF adjust the temperature to 55 C and push button up once more Low limitation is used where the temperature of the floor is required never to fall below the minimum set temperature Example in kitchens or bathrooms with tiles The value can be set from 5 C up to 55 C The value can also be set to OFF adjust the temperature to 5 C and push button down once more Remember the max limit temperature must be set higher than the min limit temperature The limit temperatures defined in the room controller will be valid for all the room sensors with limit sensor type WLTD 19 which are part of the area allocated to the WLCT2 unit AV V The maximum allowable floor temperature setting is shown Use eut the UP A or DOWN v button to increase or reduce and OK y button to accept N IZ V The display will now show LoLi Press OK y button to continue 19 19 The minimum allowable floor temperature setting Use the UP pe or DOWN v button to increase or reduce and OK v button to nut AV SCAL Time and temperature scale selection cr A 24T c
12. Menu Using cooling functions Master Factory Settings Error Indication Type WLCT2 and WLCT2 R HW 2 Introduction Getting Started Daily Use of the room sensor Programming 4 Event Clock Time and Temperature Advanced Settings and Read out Reset to fatctory Settings room controllers Domestic hot water control Radiator control 2 step heating Waterline Room sensors Setting of Room Temperature Setting of Room sensor Operating Mode Zone Chart QUICKGUIDES QUICK GUIDE ANALOGUE ROOM SENSORS 1 These room sensors have an adjustment knob which enables you to increase or decrease the room temperature setting by up to 4 C 2 room sensors type WLTM 19 and WLTD 19 have a slide switch for selecting the mode of operation of the room sensor Four different modes can be selected Auto Day Night and OFF Ls Auto Roomsensor will follow the temperature settings of the master or if the room sensor belongs to an area controlled by a WLCT2 room controller it will follow the automatic sequence of temperatures and timings set in the WLCT2 Day It will control the room temperature according to the DAY setting defined in the master typically 20 C Night It will control the room temperature according to the NIGHT setting defined in the master typically 15 C OFF It will control the room temperature according to the OFF setting defined in the master typically 5 C This setting
13. ack this will override any time settings in a WLCT2 room controller including any room sensors that are part of a group allocated to that room controller Moving Around in the Menu By using the UP and the v DOWN you move through the main menu into sub menus The description of these submenus can be seen below If a value needs to be changed then press CONFIRM button once and alter the value with the UP and v DOWN buttons Then press Z CONFIRM to accept the new value If you wish to reset the master to factory settings then push the CONFIRM button for 15 sec until the 8 outputs starts blinking The master has now been reset to factory settings Control of Room Temperature Within the memory of the master there is a room temperature Setpoint which will apply for all rooms connected to the system This setting is typically 21 C when the unit leaves the factory but it can be increased or decreased as required Any change will apply to all rooms on the system unless a room controller is employed see next para Day Temperature 21 C Temperature set point for all room sensors not part of a room controller group Push V accept and A v to adjust the set point Night Temperature When activated via an external timer this action is valid for all room sensors connected to the master Night setback can also be activated on individual room sensors WLTM amp WLTD by using the selector S
14. aster is missing Flashing Power LED Red E1 1 flash One or more room sensors room controllers WLH WLAC that are set to channel 0 or channel 15 are no longer sending data to the master control The fault is corrected by replacing the room sensor The master will need to be HARD RESET see next page HARD RESET NOTE If the room sensor is of the WIRELESS type the error fault message could be an indication that the power has failed and that the internal battery of the room sensor needs to be replaced E2 2 flashes One or more room sensors have been set to a channel number which does not exist in the system For example the message will occur if the units are set to channels 9 14 and the required add on AO module are not found in the system The error is corrected by setting the channel number of the room sensor to a channel that does exist within the installed master add on module system 3 flashes Application sensor defect The fault is corrected by changing the temperature sensor If the sensor has been removed deliberately to change the operation of the system follow the HARD RESET instruction below 4 4 flashes The outdoor compensation module WLOC is defective The fault is corrected by changing the outdoor compensation module If the module has been removed deliberately to change the operation of the system follow the HARD RESET instruction below E5 5 flashes The external Supply limit sensor type ETF 1899A is defective
15. e A You can select either C or F scale and 12 or 24 hour clock as A follows mr 4 Press UP A or DOWN v button to change settings Confirm the et 130 required scale with the OK button V button te F ArEA Group of rooms The rooms that are to be set as part of the WLCT2 area will follow the temperature settings of the room controller example an area could be the living room kitchen and children s rooms having a high room temperature requirement during afternoon and early evening and a lower temperature during the early part of the day and at night Each room sensor will have a channel number designated CH1 CH2 etc The appropriate channel number of any room sensor is determined by the numbered output on the master control which is actually Switching the valve actuator for that area For example a system may have the kitchen room sensor operating master output 4 and the childrens room sensor operating master output 5 If the WLCT2 room controller is then situated in the living room and operating output 1 then the WLCT2 need be programmed to control outputs 1 4 amp 5 Each room sensor will have been set to operate its appropriate output ch see separate instructions To do this enter the ArEA sub menu and press OK y button CH 1 will be displayed use the OK y button and then the UP button to change the setting to ON Press OK y and CH 2 is displayed Use
16. e radiator circuit just change the set point in the WLCT2 X9 R by using the up or down button The 4 event system in the WLCT2 X9 R can be used to save energy when heat is not needed WLCT2 R A special version of the WLCT2 called WLCT2 X9 2 is capable of controlling an additional heat source in a room In addition to the primary under floor heating output the room controller is now able to control a second output as a boost function which will be activated only if the temperature cannot be achieved by the primary under floor heating output within a preset time period The Room Controller is used as a standard WLCT2 If required the settings for when the second heating output is needed can be changed in the service menu in the WLCT2 X9 2 WLCT2 2 An additional Menu entry 2 st can be found In this menu two parameters can be changed Temp If the actual room temperature is higher than the setpoint minus this setting the second output will not be activated Time This parameter decides how long the actual temperature is allowed to remain below the setpoint minus the TEMP setting before the second output is activated INSTRUCTIONS 28 Waterline Room sensors Setting of Room Temperature If the WLTM x9 or WLTD x9 Room sensor has been allocated to a WLCT2 controlled area then when AUTOMATIC mode has been chosen with the built in slide switch the temperature settings will be as programmed in the WLCT2 Room contr
17. he time and temperatures are correctly If the room sensor has got an override switch WLTM or WLTD the switch may be set in the off or night position For rooms with floor sensors the maximum floor limit setting could be preventing the room reaching the desired temperature Insufficient heating capacity of the system Bad insulation creating large heat loss This could be caused by draughts within the wall cavities The room sensor is placed in a position that does not represent the general temperature in the room If the room is controlled by a WLCT2 room sensor check that the time and temperatures are set correctly If the room sensor has got an override switch WLTM or WLTD the switch may be set in the day position For rooms with floor sensors the minimum floor limit setting could be increasing the room temperature above the desired setting Solar gain or extraneous heat source INSTRUCTIONS Master with Display Type WLM2 Introduction BR0965A04d BR0965A03d BR0965A45b WLM2 Hydronic Master WLM2 Hydronic Master WLM2 Hydronic Master 0 12345678 5 12345678 SF 91011 12 13 14 WLM2 1BA 3BA WLM2 1FS 3FS WLM2 1AO WLM2 3AO The masters type WLM2 1BA and The masters type WLM2 1FS and The ADD ON type WLM2 1AO are pre set and need no WLM2 3FS are provided with g
18. his output RESET There are 2 different reset actions that can be used HARD RESET If the Vv button is pressed for 5 seconds a HARD RESET will be initiated Indicated by all the red output LED s 1 8 lighting in sequence This reset will remove from the system any room sensor unit with a defective input sensor or a defective AO module The fault message will be reset but the defective items will no longer participate in the system To add or replace a new unit please refer to Replacing equipment Replacing a faulty sensor controller To erase the identity of the defective component from the master memory a HARD RESET must be performed Hard resets do not alter the temperature settings already programmed into the master control FACTORY RESET If the V button is pressed for more than 15 seconds a total factory reset will be initiated This is indicated through flashes of channel LEDs 1 3 5 and 7 alternating with channel LEDs 2 4 6 and 8 while the v button is pressed A factory reset will put all programmed temperature settings back to the factory defaults It will also remove all room sensors Controllers from the master memory and reset the system to accept only those room sensors Controllers that are functioning correctly To reconnect room sensors controllers please refer to Replacing equipment Replacing a faulty sensor controller INSTRUCTIONS Type WLCT2 and WLCT2 R HW 2 Introduction The
19. is intended to be a frost protection mode and is used if the room is to be left unoccupied for long periods WLTM 19 amp WLTD 19 are recommended for guest rooms and other infrequently used rooms asthey allow simple override of the automatic timing sequence QUICK GUIDE WLCT2 PROGRAMMABLE ROOM CONTROLLERS 1 Setting time and day If not already done by the installer adjust the time and day on any WLCT2 room controller as follows picture with button positions a Using a pen or pencil press the small pinhole button with the clock symbol b Using the up and down buttons adjust the hours and press OK c Using the up and down buttons adjust the minutes and press OK d Using the up and down buttons adjust the day number 1 Monday and press OK 2 Setting areas If not already done by the installer the WLCT2 room controller can be used to set the operating times and temperatures of room sensors channels in addition to controlling its own room To achieve this do the following on the WLCT2 room controller a Enter the InFo menu by pressing the up and down button simultaneously for 4 seconds b Find the ArEA menu with the down button and press OK c The display shows CH 1 channel 1 Press OK button Select On if this channel room sensor should be controlled by the WLCT2 room controller or OFF if not Now press OK button to get to the next channel CH 2 and repeat this step until all re
20. nge of other advanced settings please refer to the section Instructions WLCT2 QUICK GUIDE FOR MASTER MODULES WLM2 1BA WLM2 3BA BA masters set and need adjustment see Factory settings page 13 On the FS Master you can adjust the operating temperatures for any rooms which are not controlled by a CT room sensor 1 Setting day temperature To adjust the day temperature indicated by a sun in the display press OK button Now use the up and down buttons to select the temperature required and press OK button 2 Setting remote night temperature If a remote timer has been fitted by the installer it is possible to automatically switch to a night temperature To adjust the night temperature press the up button until the moon is displayed and press OK button Now use the up and down buttons to select the temperature required and press OK button 2 Other advanced settings can be changed See section Master with display type WLM2 TROUBLE SHOOTING If any LED is flashing on master Please refer to section Error indication Room is too cold After running for at least 48 hours Room is too hot After running for at least 48 hours The room sensor is placed in a position that does not represent the general temperature in the room E g mounted on external wall or near an extraneous heat source If the room is controlled by a WLCT2 room controller check that t
21. oller and not in the master but the same local 4 C adjustment is available On the Master WLM2 1FS and WLM2 3FS if the temperature setting is changed then the default temperature for all the rooms is changed but each WLTA WLTM or WLTD Room sensor is locally adjustable with its own adjustment knob With this knob the temperature setting from the Master can be increased or decreased by 4 C for that specific room The master is supplied with default temperature settings which are used by all non Room sensors that are connected to the system In Master WLM2 1BA amp WLM2 3BA the DAY temperature setting is fixed at 21 C and the NIGHT temperature is fixed at 15 C In Master WLM2 1FS amp WLM2 3FS the DAY NIGHT and OFF default temperatures are adjustable through the display Automatic switching between DAY and NIGHT temperatures is done by either connecting a separate timing device to the master or using a WLCT2 Room controller and allocating other Room sensors as part of its group It is possible to have two or more Room controllers in the system with each one having its own group of non Room controllers Setting of Room sensor Operating Mode Fig 3 Room sensors type WLTM x9 and WLTD x9 have a slide switch see fig 4 for selecting the mode of operation of the controller Four different modes can be selected Auto Day Night and OFF Auto The controller will follow the temperature settings of the master or if the Room
22. one of the desired sub menus PRO Hi Li Scal and ArEA For explanations see below Select the sub menu with the OK y button INFO Information The floor temperature is only shown if a floor sensor is installed Software version 3 Room temperature 228 Floor temperature PRO 4 event sequence sequences which are displayed in the form of a code The values of the actual measured room temperature and the floor temperature can be seen Press UP A or DOWN v button to show the different readouts No changes can be made here Use the OK V button to end It is possible to change the factory event sequence of Days 1 5 4 event and days 6 amp 7 2 event Days 1 to 5 are usually Monday to Friday whilst days 6 amp 7 are usually Saturday amp Sunday An EVENT is either an ON or an OFF operation You can select from the following 4 events 5 days 2 events 2 days indicated by Code 4 52 4 events 6 days 2 events 1 days indicated by Code 4 61 4 events 7 days indicated by Code 4 70 2 events 7 days indicated by Code 2 70 2 events 5 days 2 event 2 days indicated by Code 2 52 Select the required sequence with the OK y button 23 Hi Li Floor sensor Max and min allowed temperature of the floor surface
23. ou feel comfortable we recommend only a 2 degree adjustment of this temperature at a time and time allowed for the system to respond Summer An outdoor temperature and the corresponding supply water temperature are set point C Set the outdoor temperature at the level where heating will no longer be required this is known as the summer shut down temperature Default setting is 20 C Then set the supply water temperature that you require when the outside temperature is at 20 C The default is 25 C To start the summer shut down at a lower temperature level reduce the outdoor temperature setting and or reduce the supply water temperature at this setting The master calculates the supply water temperature on the line C to 1 if an outdoor design temperature of 3 C is selected or on the line C to 2 if the outdoor is selected at 10 C The intersection point on the line of the actual outdoor temperature indicates the calculated supply water temperature Compensation for outdoor temperature can only be done if an outdoor compensation module WLOC is installed Without outdoor compensation module the Master will adjust the supply temperature after the design supply water temperature winter setpoint default 45 C 11 55 C Service menu Push accept to enter The controller will automatically return to main menu after 30 minutes 2 0 Software version OK no failures EO
24. quired channels have been selected On d After all channels set up find the ESC menu entry and press OK NB If different times and temperatures are required for other channels room sensors within the system more than one WLCT2 room controller can be used Care must be taken to ensure that the action of selecting a channel On is not made on more than one WLCT2 room controller Setting program times and temperatures Adjusting the program times and temperatures On Monday to Friday day 1 5 the CT room controller operates a 4 event program wake leave return sleep and on Saturday and Sunday day 6 7 2 events wake and sleep Each event can have a separate temperature amp time Each event is indicated on the display by the symbols 3 A A4 To adjust these settings Press OK button for 5 seconds The display shows the wake up time for Monday to Friday To adjust the hours use the up and down buttons and press OK Now adjust the minutes using the up and down button and press OK Now adjust the desired wake up temperature using the up and down button and press OK Now repeat b to e for the leaving time and temperature the return time and temperature and the sleep time and temperature Now repeat b to e for Saturday and Sunday wake and sleep times and temperatures a b c d e f g NB To set up different types of event programs change to Fahrenheit scale change to AM PM clock or cha
25. raphic WLM2 3A0 is an extension adustment See Master factory display to enable simple programming module for additional 6 outputs settings page 11 and operations of the unit to be The module needs no adjustment achieved using simple and easy to understand icons and symbols Using Clock thermostat WLCT2 x9 If a room controller is used as an area control for one room or a group of rooms then all the room sensors within this zone will operate according to the temperatures and times defined in the room controller However the local room sensors within the group are still capable of being adjusted by 4 C so that some rooms can be set higher or lower than others The decision as to which room sensors will form part of the room controllers group is made by programming the room controller see instructions for WLCT2 unit Any room sensors that are not part of the room controllers group will operate to the temperature as defined in the master control but again with the option of local 4 C adjustment Using External Switch for Night Setback The day temperature set point is defaulted to typically 21 C and the night temperature to typically 18 C These default settings can be changed on the FS master The current operating set point of the master can be changed from the day temperature into night temperature by connecting a separate timing device to the master When the external switch or timer is used to switch to night setb
26. rmation from the network No errors detected Communication is missing to that master Please check the connection or remove the master from memory with a hard reset The same errors as shown in section Error Indication under Flashing Power LED This is a channel error which has to be checked locally on that master 12 D 2 4 C Read out Outdoor temperature Read out Actual supply water temperature Actual application sensor temperature Read out Calculated setpoint by the controller for the supply water temperature Push accept for 3 sec to change Pl action amp 0 10V out Rom Read out Control signal for the mixing valve At 10 V the mixing valve is fully open unless the output setting has been changed to 10 0 in which case at 10 V the valve will be fully closed Read out Room temperature in the different rooms Push accept and the up and down keys to select another room The actual room temperature is shown in the centre of the display If a maximum limitation sensor is connected the measured temperature is shown above the room temperature and if a minimum limitation sensor is connected the temperature is shown below Return INSTRUCTIONS Using cooling functions If the installation is capable of doing cooling a WLAC 1 switching module is installed To enable cooling switch the slider on the right hand side to the cooling position The system now swi
27. room controller type WLCT2 x9 is a 4 event programmable controller used to control underfloor heating areas or special features on the WLM2 installation The standard WLCT2 x9 can be used to programme up to 4 time and temperature events over a 24 hour period based upon a 7 day setting Once a WLCT2 x9 has been fitted the times and temperatures for the area s it controls will no longer come from the defaults set in the main WLM2 master In addition to the immediate area of control set within the WLCT2 x9 and selected via the AREA setting contained within its internal menu the WLCT2 x9 can control the time and temperature characteristics of other sensor up to 14 fitted to the WLM2 master this has been designed to maximise comfort and efficiency and promote energy saving and associated cost savings Where the WLCT2 x9 is controlling other areas the 4 C setting of those areas will now operate from the WLCT2 x9 settings e g WLCT2 x9 is set to 22 C and has been given control over Area 1 the WLTA x9 fitted in Area 1 now has a control range of 18 C 4 C to 24 C 4 In addition to the standard WLCT2 x9 room controller you may have fitted to your system one of the following WLCT2 x9 2 This control allows the operation of a secondary heat source for a specific area as a boost function operating in conjunction with the underfloor heating WLCT2 x9 R This control is used for the control of radiators in a dome
28. room temperature requirements of the system For example on a day when the outdoor temperature is 12 C it is possible to run the heating system with a supply water temperature of only 35 C this ensures economical running of the boilers and comfortable room conditions throughout the year The max allowed supply water temperatur prevents excessive water temperatures if the outdoor temperature becomes extremely cold e g 30 C 55 C Max allowed supply water temperature This is a safety maximum B 3 gog Winter Outdoor temperature Winter 45 C Design supply water temperature at outdoor temperature 3 C Design supply water temperature if used without outdoor compensation module qi Return Summer ol 200 Outdoor temperature ra 25 C Summer Supply water temperature at outdoor temperature 25 10 A MAX SUPPLY WATER TEMPERATURE BR939A16 SUPPLY WATER TEMPERATURE 10 C 3 C 25 C OUTDOOR TEMPERATURE Line 1 Factory settings Line 2 Example on modified settings Max supply temperature The max allowed supply water temperature is set according to the design requirements of the installation line A on the curve This is the safely maximum Weather compensation Winter A design outdoor temperature and the corresponding design supply water temperature are set point B To increase the heat output adjust the supply water temperature higher until y
29. seen in the service menu submenu 22 E1 1 flash The master has lost communication to the room sensor The fault is corrected by re establishing the connection to the Room Sensor and the fault condition will be automatically reset once correct communication is resumed If the room sensor is defective and has to be changed or if it has been deliberately removed it is necessary to make a HARD RESET NOTE If the room sensor is of the WIRELESS type the error fault message could be an indication that the power has failed and that the internal battery of the room sensor needs to be replaced E2 2 flashes The internal sensor in the room sensor controller is defective The fault can only be corrected by replacing the room sensor Controller Remember to make a HARD RESET after installing the new room sensor controller E3 3 flashes The limit sensor on the room sensor controller is defective Replace the faulty sensor Reset is NOT required 4 4 flashes Defective WLCT2 room controller If a room controller operating a group of room sensors becomes defective the remaining room sensors will continue control within the maximum and minimum limits programmed into the Room controller E5 5 flashes Two or more room controllers are trying to control this output Check AREA setting on the room controllers E6 6 flashes Channel output number one is configured as a dehumidifier output error caused by a room sensor controller also being set to control t
30. sensors belongs to a zone group using a WLCT2 Room controller it will follow the automatic sequence of temperatures and timings set in the WLCT2 BR939A08B Slide Day It will control the room temperature according to the DAY setting defined in the master swith typically 21 C Night It will control the room temperature according to the NIGHT setting defined in the master typically 17 C Adjustment knob OFF It will control the room temperature according to the OFF setting defined in the master E typically 5 C This setting is intended to be a frost protection mode and is used if the room is to be left unoccupied for long periods WLTM x9 amp WLTD x9 are recommended for guest rooms and other infrequently used rooms as they allow simple override of the automatic timing sequence 29 30 ELECTRONICS A S STENAGER 13B DK 6400 S NDERBORG DENMARK T 45 73 12 13 14 F 45 73 12 13 13 OJ OJ DK WWW OJ DK ELECTRONICS UK CRUSADER PARK WARMINSTER WILTSHIRE BA12 8SP UNITED KINGDOM 44 01985 213 003 F 44 01985 213 310 SALES OJUK CO UK WWW OJUK CO UK OJ ELECTRONICS A S C O ROBERT BIELECKI UL BRZOZOWA 4 58 160 SWIEBODZICE POLAND T 48 4220 91 742 F 48 4220 91 744 RBI OJ DK WWW OJELECTRONICS PL CN ELECTRONICS taking comfort further eroeds vl L
31. stic central heating circuit WLCT2 x9 HW This control is used for the production of hot water control within a system Upon installation your installer should have set up the WLCT2 x9 control to suit your needs should you need to change any of the setting please follow the instruction detailed in following pages The WLCT2 x9 can be reset by pressing the button marked R see fig 1 this will allow you to return to the factory settings at any time The default factory settings are detailed after the WLCT2 x9 programming section of this manual Getting Started 17 Fig 1 Buttons a A 3 A B V cV a Display Adjustment OK down accept oo F D A R F D ORS E Adjustment Reset to Pin button up factory adjust of setting clock B C D Display G E Automatic Time and mode temperature J K Day number 4 event symbol xt Wake f Out Night Ne Home Setting the room controller into operation First time power is connected the clock and day will be flashing and must be set If you need to adjust the time of the thermostat at a later date insert a pin into the hole marked 9 see fig 1 for setting of time and day Adjustment should be made for change in summer and winter time AV V Press the UP A or DOWN v buttons to select the correct hours and press OK button
32. tches into cooling with a set point than is 3 C above the master day set point In case the WLAC 1 module is connected to a 5 controlled signal the BMS system will make the decision when to Switch to cooling please leave the slider on the WLAC 1 in position heat Byusing a humidity sensor the system limits the formation of condensation on floor surfaces due to high humidity f a dehumidifier is being used it will activate if high humidity limits the cooling function When cooling is enabled the cooling set point will be pre determined by the master and will override any settings in any clock thermostat to ensure optimum energy efficiency Master Factory Settings Master Settings Factory setting Own settings House temperature 21 C BA FS Night temperature 18 C Off temperature 5C Floor Limit temp high 27 C Floor Limit temp low 17 C Max water temperature 55 C Weather compensation Outdoor temperature 3 C Cold winter Water temperature 45 C Weather compensation Outdoor temperature 20 C 13 Warm summer Water temperature 25 C Additional information Master Settings Factory settings BA FS Cooling mode Day cooling temperature Day heat temperature 3 C Night cooling temperature Day cooling temperature 3 C DEW point safety zone DEW point 3 C Room temperature control PI control P 4 C 90 180 sec K
33. the UP button until is displayed press OK y and change to ON Repeat this for CH 5 All three room sensors will now operate under the control of the WLCT2 room controller In total up to 14 Channels can be programmed in this way and it is possible to have more than a single room controller each own sub room sensors operating to its schedule and temperatures 24 CH On CH g OFF Set the Channels Rooms Ch to ON if they should follow the settings of this clock thermostat In total 14 channels rooms can be controlled 2st This menu is only visible on 2 step controllers WLCT2 x9 2 2 step Change of values in 2 step function OFF ew y Press the DOWN v button to activate or de activate the 2 step function Press OK to confirm The display will now show TEMP Press OK to continue Use the UP A or DOWN v button to change the temperature setpoint in the 2 step function If the actual room temperature is higher than the setpoint minus this setting the second output will not be activated The display will now show TEMP Press OK to continue Use the UP or DOWN v button to change the time in minutes before step 2 is activated This parameter decides how long the actual temperature is allowed to remain below the setpoint minus the TEMP setting before the second output is activated
34. utton Press OK y to confirm The temperature is now displayed Change this to 25 C with the UP A or DOWN v button Press OK y button to confirm This action can now be repeated for the second third and fourth event These settings will be valid for days 1 5 showing on the display To program the days 6 and 7 repeat the above Days 6 and 7 are usually Saturday and Sunday and only have two events generally morning ON and evening OFF The temperature can be set within the range of 5 to 35 C It is also possible to select the heating OFF at that event by reducing the setting to 5 C and then pressing the v once more Note that when programming the Sleep time event 4 please ensure that this time is before midnight 00 00 Press button for secs to begin programming Day1 5 AV V 3 Time and temperature 600 2001 2i NAVV f AVV Time and temperature B08 507 cur AVV Time and temperature Ka ur AV V L AV Time and temperature Day6 7 Ti dt t i 500 AV V xam AV V 3 Time and temperature di AVV Time and temperature Be 15 22 Advanced Settings and Read out Press both UP A and DOWN buttons together for 3 seconds INFO is displayed Continue pressing the UP A button until you reach
35. witch and setting to the night position A room controller WLCT2 will automatically switch to night setback at the times programmed into it as will all the other room sensors which are included in its group Off Temperature room sensors with an override switch WLTM amp WLTD can be set to an OFF position This is known as a frost protection position and if the temperature in the room shoud fall as low as 5 C the heating will be enabled to prevent frost damage The 5 level can be changed in the master module Max Maximum Floor limit temperature for room sensors with limit sensor floor sensor Min ll ATC Minimum Floor limit temperature for room sensors with limit sensor floor sensor Supply Water Temperature Control Using supply water sensor for limitation of supply water A limit sensor should be used with the WLM2 1FS amp WLM2 3FS but can be used without the weather compensation module WLOC 19 In this case the master will control the supply water temperature flowing into the system via the 3 or 4 port mixing valve and actuator The factory default setting is 45 C but can be changed via the master display Using outdoor compensation module for weather compensation When the outdoor compensation module WLOC is connected to the system the master calculates the correct supply water temperature taking into account the heat losses that will vary depending on the outdoor temperature and the
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