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not CS 50

1. JE fmianualsetting Speed Forced ventilation Activated ON OFF Default speed Default time Control not CS DCV supply air ON OFF 50 Output min value Output max value Input ON level DCV extract air ON OFF Output min value Output max value Input ON level CPR supply air ON OFF Desired value Min value Max value CPR extract air ON OFF Desired value Min value Max value No of fan sensors 2 1 Supply air 1 Extract air Differential Sensor supply air Type Min level Max level Sensor extract air Type Min level Max level Configuration Motor protection Delay Startup sequence Start delay 1 Start delay 2 Start delay 3 Start delay 4 Active alarms Alarm history Reset alarm 19 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Test Information System Main board Control panels Factory Time counter Filter timer Alarms Active alarms Alarm history Reset alarm Test Fan speed Recovery system Heating Defrosting Hardware rev Software rev CS 500 panel 1 CS 500 panel 2 CS50 panel 1 CS50 panel 2 Inputs outputs Control parameters FVP Priorities Reset alarm history Hardware rev Software rev Hardware rev Software rev Hardware rev Software rev Hardware rev Software rev Digital inputs 1 Fan parameters Temp parameters Panel forced FVP speed CO VVX EV2 FV SUPPLY AIR FAN EXTRACT AIR FAN YES NO
2. 4 17 Temperature Setting Main Sensor Here you set the temperature setpoint value that you want the unit to maintain main sensor If you want other values during the 24 hour period these can be set under Timer Temperature Setting Parameter name Setting range Unit Default value Setting 0 40 0 C 20 4 18 Extract Air Control Selection not cs 50 If you want to have extract air control this is set here Temperature Control Extract air Parameter name Setting range Unit Default value Extract air ON OFF OFF 37 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Setting Description Settings Description Settings 4 19 Min Supply Air Temperature not cs 50 With extract air control the lowest temperature that you want to have in the supply air must be set Temperature Control Min supply air Parameter name Setting range Unit Default value Min supply air 0 40 0 C 16 4 20 Max Supply Air Temperature not cs 50 With extract air control the highest temperature that you want to have in the supply air must be set Temperature Control Max supply air Parameter name Setting range Unit Default value Max supply air 0 40 0 C 35 4 21 Fan Reduction with Low Supply Air Temperature You can select air flow rate reduction at low supply air temperature if the heating battery does not produce enough heat Ventilation units with
3. Remember to select the sensor type This is done under Fan control I Control I Extract air sensor You can activate the variable air flow rate VAV function for the supply air fan here This works on all timer settings apart from OFF Fan control Control DCV extract air pcv extract air Parameter name Setting range Unit Default value DCV extract air ON OFF OFF 4 67 Min Supply Air not CS 50 transformer control Here you can set the lowest air flow rate you want to have in the extract air This is set as a of the working range of the fan Fan control Control DCV extract air min value Parameter name Setting range Unit Default value Min value 0 100 20 50 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Description Settings Description Settings 4 68 Max Supply Air not CS 50 transformer control Here you can set the highest air flow rate you want to have in the extract air This is set as a of the working range of the fan Fan control Control DCV extract air I max value Parameter name Setting range Unit Default value Max value 0 100 80 4 69 Desired Working Point not CS 50 transformer control Here you set the desired working point for the sensor setpoint value for extract air if the sensor does not have a controller If the sensor has a controller this value must be set equal to the minimum value of the controlle
4. Configuration Filter Extract air pressure guard Parameter name Setting range Unit Default value Extract air pressure ON OFF ON guard 4 7 External Fire Smoke Function Mode 1 When using an external fire smoke signal you can make the unit stop by selecting Mode 1 Configuration Fire Smoke Mode 1 not CS 50 Parameter name Setting range Unit Default value Mode 1 ON OFF ON 4 8 External Fire Smoke Function Mode 2 When using an external fire smoke signal you can make the unit go to speed 3 by selecting Mode 2 Configuration Fire smoke Mode 2 not CS 50 Parameter name Setting range Unit Default value Mode 2 ON OFF OFF 31 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Description Setting Description Setting Description Settings Code input data 4 9 External Fire Smoke Function Mode 3 When using an external fire smoke signal you can make the supply air fan stop and the extract air fan go to speed 3 by selecting Mode 3 Configuration Fire smoke Mode 3 not CS 50 Parameter name Setting range Unit Default value Mode 3 ON OFF OFF 4 10 Date Time When the System Parameters menu is opened the cursor flashes in the date field You can enter the date dd mm yyyy and time hh mm ss on this setting line in accordance with predefined navigation criteria 4 11 Change Service Code Here you can change the preset code Configuration PIN
5. rrrrrrnrrrnnrrnnnnnn 67 5 49 6 Pin 13 14 PWM Heating Control OFF ON not CS 50 mrrnrrrnrrrnnnnnn 67 5 50 J6 Pin 15 16 Cooling 0 10 V not CS 50 rnnrrnvrnnnrnnnrnnrrnnrnnnrrnnnnenrrnnnnn 67 5 51 ISDN Contact for Plate Exchanger renrrnnvnnnrnnrrnnrrnnrnnnrrnnnnnnrnnnnnnnrnnnnnnrnnnnn 67 5 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Control Functions Monitoring Functions 1 Overview 1 1 Brief Description Controllers for standardised ventilation applications Control indication and monitoring functions Temperature pressure and air flow rate sequences Sensor for winter and or summer compensation Time channels 4 day programmes and 6 week programmes 1 2 Functions Four types of control 1 Constant supply air temperature 2 Room extract air control not CS 50 3 Dif temperature control not CS 50 4 Supply air control compensated for outdoor air not CS 50 Minimum and maximum limits for supply air temperature Night cooling function not CS 50 Setpoint value changeover via an external signal not CS 50 Anti icing function for plate exchanger thermoguard patented solution Requirement controlled ventilation not CS 50 Frost protection function for the air or water side Electric heating battery or water battery Heat recovery with rotary wheel type or plate exchanger Pressure or air flow rate control not CS 50 Circulation pump maintenance operation Additional fan cooling
6. Fan control Control Supply air sensor Parameter name Type Pa ppm Pa x Min level 0 9999 0 X Max level 0 9999 300 X Fan control Control Extract air sensor Parameter name Type Pa ppm Pa X Min level 0 9999 0 X Max level 0 9999 300 X Fan control Configuration Motor protection Parameter name Motor protection OFF ON OFF X Time delay 0 180 S 30 X Fan control Configuration Startup sequence Parameter name Time delay 1 0 60 S 0 Time delay 2 0 60 S Time delay 3 0 60 S Time delay 4 0 60 S Fan control Configuration Shutdown sequence Parameter name Time delay 0 300 S 180 Test Information System Parameter name Recovery system Rotor plate Heating Electric battery water battery Defrosting Preheating by pass Test Information Main board Parameter name Hardware rev Software rev Test Information CS 500 panel 1 Parameter name Hardware rev Software Test Information CS 500 panel 2 Parameter name Hardware rev Software Test Information CS50 panel 1 Parameter name Hardware rev Software Test Information CS50 panel 1 Parameter name FLEXIT AS CS 50 CS 500 User Manual Function Parameter name Range Unit QD R 3 x 3 gt Q Read Write Not CS 50 Hardware rev Software Software Test Information Factory Parameter name Test Information Time counter Test Alarm Parameter name Test Test Parameter
7. 0 5 0 C 0 0 exchanger Supply air 5 0 5 0 C 0 0 Extract air 5 0 5 0 C 0 0 X ON OFF OFF X Outdoor air 5 0 5 0 G 0 0 X ON OFF OFF X Return water 5 0 5 0 c 0 0 Temperature Neutral zone Parameter name Cooling recovery 95 0 5 0 C 0 0 X system Recovery system 5 0 5 0 C 0 0 heating Fan control Speed setting Parameter name Speed 1 0 100 35 Speed 2 0 100 50 Speed 3 0 100 100 Fan control Manual setting Parameter name Speed 0 1 2 3 Fan control Forced ventilation Parameter name Activate OFF ON OFF Default speed 0 1 2 3 2 Default time 0 360 m 30 Fan control Control DCV supply air Parameter name DCV supply air OFF O OFF X N Min value 0 100 20 x Max value 0 100 80 x On level 0 Pa 0 X Fan control Control DCV extract air Parameter name DCV extract air OFF ON OFF X Min value X Max value X On level 0 Pa 0 X Fan control Control CPR supply air Parameter name CPR supply air OFF ON OFF X Desired value 0 Pa 0 X Min value 0 100 20 x Max value 0 100 100 X Fan control Control CPR extract air Parameter name CPR extract air OFF ON OFF X Desired value 0 Pa 0 x Min value 0 100 20 x Max value 0 100 100 X Fan control Control No of sensors Parameter name 271 67 FLEXIT AS CS 50 CS 500 User Manual 94269 3 F 3 3 SER amp cs 5 B E No of sensors 2 1 supply 1 2 X extract Difference 0 200 100 x
8. 0 9999 300 4 83 Selection of Sensor for Extract Air not CS 50 transformer control Here you set the type of sensor to be used You can use a pressure sensor Pa or air quality meter ppm Fan control Configuration Extract air sensor rype Parameter name Setting range Unit Default value Type Pa ppm Pa 4 84 Min Working Range for Extract Air Sensor not CS 50 transformer control The minimum working range desired The sensor will not fall below this value Fan control Configuration Extract air sensor min level Parameter name Setting range Unit Default value Min level 0 9999 0 54 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Setting Description Effects Description Settings 4 85 Max Working Range for Extract Air Sensor not CS 50 transformer control The maximum working range desired The sensor will not exceed this value Fan control Configuration Extract air sensor max level Parameter name Setting range Unit Default value Max level 0 9999 300 4 86 Motor Protection Delay Here you set the delay for the alarm signal Some fans have an integrated automatic reset if the cause of the fault disappears within 5 15 seconds Fan control Configuration Motor protection pe1ay Parameter name Setting range Unit Default value Delay 0 180 Sec 30 4 87 Startup The following parameter setting lines contain the setti
9. 500 User Manual Description Setting Description Setting Description Setting Description Settings Description Settings 4 55 Speed Stage 2 Extract Air Sets the desired speed for stage 2 This applies only to units that have infinitely variable fan control Fan control I Speed setting I Extract air I Speed 2 Parameter name Setting range Unit Default value Speed 2 0 100 50 4 56 Speed Stage 3 Extract Air Sets the desired speed for stage 3 This applies only to units that have infinitely variable fan control Fan control I Speed setting I Extract air I Speed 3 Parameter name Setting range Unit Default value Speed 3 0 100 100 4 57 Manual Control of Fan Speed Sets the desired speed Stage 0 1 2 or 3 The timer must be OFF Fan control Manual setting Select speed Parameter name Setting range Unit Default value Select speed 0 1 2 3 2 4 58 Forced Ventilation Indicates wether the unit is in forced ventilation mode or not If you want forced ventilation this is initiated from the panel When the signal for forced ventilation is high all settings for fan control are ignored and the fans are set to constant air flow rate with the setpoint value for forced constant air flow rate Fan control Forced ventilation Activate Parameter name Setting range Unit Default value Activate ON OFF OFF 4 59 Speed for Forcing Fan speed setting that is desired for forced
10. Cooling not CS 50 Operate the controller externally or via a pushbutton Common alarm with a contact output priority A and B Control unit with 8 line display and 20 characters on each line Input for fire or smoke alarm not CS 50 Frost alarm in water battery Electric battery thermostat Fans overload not CS 50 e Filter alarm e Rotor alarm 6 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 1 3 Accessories for the CS 500 The list below contains examples of equipment that can be used with the CS 500 CC 1050 Pressure Censor SP 440 CO Detector Art no 09367 q Art no 09359 0 3000 Pa Ji d r wa t SP 430 Pressure Regulator SP 445 Smoke Detector duct mounted Art no 09357 Fag For external Art no 09362 pressure adjustment SP 435 Movement Censor Art no 09358 For 24V SP 450 Movement Censor Art no 09390 For 230V 7167 FLEXIT AS 94269 CS 50 CS 500 User Manual Use with Other Products Environmental Protection Disposal 1 4 Safety Comments The CS 500 is designed exclusively for the control and monitoring of ventilation units Only third party products that Flexit has supplied with the CS 500 unit or that Flexit has recommended can be integrated in the system without restrictions In relation to the overall configuration the user must follow all safety instructions from the suppliers of such products It is possible to connect or integrate third party products that have not
11. EC fans have infinitely variable control and will gradually decrease in speed and will stop at the set value for speed 1 Units with AC fans transformer control will decrease to the next speed for example from speed 2 to speed 1 At speed 1 no further reduction is available Temperature Control FanSlow Parameter name Setting range Unit Default value FanSlow ON OFF OFF 4 22 Outdoor Air Compensation not cs 50 If you want to change the setpoint value for supply air according to the outdoor air temperature compensation set this function to ON Temperature Control Comp Comp Parameter name Setting range Unit Default value Comp ON OFF OFF 38 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Setting Description Setting Description Setting Description 4 23 Compensate for High Summer Temperature not CS 50 This defines the desired temperature reduction in relation to the setpoint value temperature with a high outdoor air temperature Temperature Control Comp Summer diff Parameter name Setting range Unit Default value Summer diff 10 10 0 C 2 0 4 24 Stop Summer Compensation not cs 50 This stops compensation for summer temperatures Temperature Control Comp Stop summer Parameter name Setting range Unit Default value Stop summer 10 40 0 C 30 4 25 Start Summer Compensation not cs 50 This starts compensation f
12. Heating ON OFF Preheating ON OFF Heat recovery ON OFF system Cooling ON OFF 20 67 FLEXIT AS 94269 CS 50 CS 500 User Manual not OS 50 Alarm outputs not CS 50 Factory test Sensors ON OFF ON OFF Thermo guard Supply air Extract air not CS 50 Outdoor air not CS 50 Return water 21 67 FLEXIT AS CS 50 CS 500 User Manual 94269 Description Alarm point 3 2 5 Alarm List The alarm list provides an overview of active alarms alarms that are still on Up to 5 alarms can be displayed B alarms Reset automatically except where filter timers have been used not a pressure guard This must be reset manually A alarms Must be reset manually Test I Alarm I History I Reset Alarm Input Alarm class Description A Alarm Joint alarm class A alarm active B Alarm Joint alarm class B alarm active Frost sensor out of range Signal B6 lt 45 C amp gt 50 C Temperature sensor in the plate exchanger is out of its measuring range Sensor fault or sensor not connected Supply air sensor out of range Signal B1 lt 45 C amp gt 50 C Temperature is out of its measuring range Sensor fault or sensor not connected Extract air sensor out of range Signal B3 lt 45 C amp gt 50 C Temperature sensor in the plate exchanger is out of its measuring range Sensor fault or sensor not connected Outdoor air sensor out of ran
13. all timer settings apart from OFF Fan control Control DCV supply air pcv supply air Parameter name Setting range Unit Default value DCV supply air OFF ON OFF 4 63 Min Extract Air not CS 50 transformer control Here you can set the lowest air flow rate you want to have in the supply air This is set as a of the working range of the fan Fan control Control DCV supply air min value Parameter name Setting range Unit Default value Min value 0 100 20 49 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Description Settings Description Settings 4 64 Max Extract Air not CS 50 transformer control Here you can set the highest air flow rate you want to have in the supply air This is set as a of the working range of the fan Fan control Control DCV supply air max value Parameter name Setting range Unit Default value Max value 0 100 80 4 65 Desired Supply Air Working Point not CS 50 transformer control Here you set the desired working point for the sensor setpoint value for supply air if the sensor does not have a controller If the sensor has a controller this value must be set equal to the minimum value of the controller Fan control Control DCV supply air on 1eve1 Parameter name Setting range Unit Default value ON level 0 100 Pa CO 0 4 66 Extract Air DCV Control not CS 50 transformer control
14. codes Parameter name Setting range Unit Default value Service code 1000 4 12 Daily Timer A Daily Timer is used to define when the unit is to start stop or change speed every day and to lock the temperature set point value Under Timer four independent changeover times can be entered The times must be entered in chronological order Configuration Timer Daily timer 1 4 Setting line Under Timer four independent changeover times can be entered The time fan speeds and relevant set point value can be set The table below shows the operating functions that must be entered Configuration Timer Period 1 4 Setting lines When you define a setting you must be aware that a changeover time is activated Weekly Timer in Active NO mode cannot be set in between two active timer settings The time set for daily timer 1 must be earlier than daily timer 2 which again must be prior to daily timer 3 and so on The settings for an active period are valid until the next setting becomes active the following day 32 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Example Description Setting Description Active OFF ON ON Timer time ON 06 00 00 00 23 59 daily timer 1 4 Timer speed 1 0 3 daily timer 1 4 Timer temperature 20 C 10 40 daily timer 1 4 Timer temperature ON OFF OFF ON OFF daily timer 1 4 Timer active YES NO Please note that y
15. desired extract air temperature neutral zone DX 2 starts and DX 1 stops when the cooling output reaches 40 controllable Stage 2 Temperature Cooling Binary Stage 2 Parameter name Setting range Unit Default value Stage 2 0 100 40 4 46 DX Stage 3 not cs 50 DX 1 starts when the outdoor air temperature is over the Min outdoor air temperature and the extract air is over the setpoint value desired extract air temperature neutral zone DX 2 starts and DX 1 stops when the cooling output reaches 40 controllable Stage 2 DX 1 starts again DX 1 and DX 2 operate when the cooling output reaches 70 controllable Stage 3 Temperature Cooling Binary Stage 3 Parameter name Setting range Unit Default value Stage 3 0 100 70 4 47 Activation of Cooling Recovery System not CS 50 Here you can activate cooling recovery using the rotor Temperature Cooling Cooling recovery OFF ON Parameter name Setting range Default value Cooling recovery OFF ON OFF 4 48 Start Temp Differential for Cooling Recovery not CS 50 If the cooling recovery function is selected and the outdoor air temperature is 1 C warmer than the extract air the value can be adjusted the rotor is set to 100 if cooling is required Cooling recovery stops when cooling is no longer required or when the outdoor air temperature is the same as the temperature of the extract air Temperature Cooling Cool
16. have in the extract air This is set as a of the working range of the fan Fan control Control CPR extract air min value Parameter name Setting range Unit Default value Min value 0 100 20 4 77 Max Extract Air not CS 50 transformer control Setting for the highest air flow rate you want to have in the extract air This is set as a of the working range of the sensor Fan control Control CPR extract air max value Parameter name Setting range Unit Default value Max value 0 100 80 4 78 No of External Fan Sensors not CS 50 transformer control Selection of the number of fan sensors pressure or CO The alternatives are 2 1 supply air 1 extract air It is possible here to select the number of sensors to be used in the unit usually used for external sensors Only applies for fans with stepless regulation e 2 Both sensors fitted and each fan follows its own sensor e 1 supply air Only a supply air sensor is fitted and the extract air fan follows the supply air fan signal xx e 1 extract air Only an extract air sensor is fitted and the supply air fan follows the extract air fan signal xx Fan control Control No of fan sensors No of fan sensors Parameter name Setting range Default value No of fan sensors 2 1 supply air 1 extract air 2 4 79 With One Sensor Second Fan Differential not CS 50 transformer control With just one external fan sensor pressure
17. is 50 C to 50 C 5 28 J4 Pin 9 GO Temperature Readout Outdoor Air not CS 50 Output for reading the outdoor air temperature 0 10 V The temperature range is 50 C to 50 C 5 29 J4 Pin 10 11 Extract Air Temperature Sensor not CS 50 Connection of the extract air temperature sensor This must be of type NTC Philips 23226406 103 5 30 J4 Pin 12 13 Outdoor Air Temperature Sensor not CS 50 Connection of the outdoor air temperature sensor This must be of type NTC Philips 23226406 103 5 31 J4 Pin 14 GO External Pressure Sensor Supply Air not cs 50 Connection of an external pressure sensor 0 10 V to control the supply air fan 5 32 J4 Pin 16 GO External Pressure Sensor Extract Air not cs 50 Connection of an external pressure sensor 0 10 V to control the extract air fan 5 33 J5 Pin 1 2 Supply Air Temperature Sensor Connection of the supply air temperature sensor This must be of type NTC Philips 23226406 103 64 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description General description of the function Description Description Description Description Description 5 34 J5 Pin 3 4 Temperature Sensor Water Battery Connection of the temperature sensor This must be of type NTC Philips 23226406 103 It is connected to the water battery to monitor the temperature in the battery e If there is a risk of frost in the
18. or continue 22 67 FLEXIT AS CS 50 CS 500 User Manual 94269 CS 50 CS 500 User Manual 3 2 6 Overview of End User Parameters QD 3 So 3 Ra AR RE gt SES AOZ Information Supply air temperature Supply air temperature 50 150 0 C Extract air temperature Extract air temperature 50 150 0 C X Outdoor air temperature Outdoor air temperature 50 150 0 C X Thermoguard Thermoguard 50 150 0 C Return water Return water 50 150 0 C Cooling Cooling 0 0 100 0 X Recovery system Recovery system 0 0 100 0 X Heating Heating 0 0 100 0 Speed Speed 0 1 20r3 Timer Timer OFF Day 1 4 Week 1 4 Desired temperature Desired temperature 50 150 0 C Temperature control Temperature control Sup Ext DIF Comp X Fan control Fan control Supply air Supply air Speed 0 3 VAV CPR Extract air Extract air Speed 0 3 VAV CPR Configuration Language Parameter name Language in handheld terminal Language English English CI 500 Norwegian Swedish Danish Finnish German Dutch Configuration Filter Parameter name Time counter activated ON OFF OFF Period of time 0 12 month 6 S Reset time counter YES NO NO Supply air pressure ON OFF ON X guard Extract air pressure ON OFF ON X guard Configuration Fire Smoke Parameter name Fire function Mode 1 Mode 1 X Mode 2 Mode 3 Configuration Clock Parameter name Clock Time 00 00 24 00 Date Date dd mm yyyy Configuration PIN code Parameter name Se
19. water battery sensors in the return water ensure that the valve is opened This function is activated when the temperature in the water battery falls below 10 C This value is activated when the unit is in operation e Ifthe temperature falls below the frost alarm value of 5 C an A alarm is activated and the unit stops e When the unit is not in operation the temperature in the water battery is kept at 25 C standby operation Heat preservation function e The relay that controls the water pump will be activated for at least 30 seconds every day for cleaning Starts at 24 00 5 35 J5 Pin 5 8 Electric Battery Thermostat Connection of a thermostat to measure the temperature in the electric battery It is triggered if the temperature reaches 80 C This must be manually reset using the pushbutton on the electric battery RESET 5 36 J5 Pin 6 7 Not in Use Vacant function 5 37 J5 Pin 9 10 Control Signal for Heating 0 10 V 0 10 V output 10 V for maximum heating requirement Used to control the valve motor in connection with the water battery 5 38 J5 Pin 11 12 Control Signal to Recovery System 0 10 V output 10 V for maximum heating requirement Units that have a rotor used to control the speed of the rotor The heat required is controlled by a 0 10 V signal that controls the speed of the rotor A rotation relay indicates whether rotation is in progress In the event of a stoppage it also triggers a
20. 7 Input from Transformer Speed 2 Extract Air Input from transformer for speed 2 extract air This voltage can be changed by changing the voltage on the transformer 5 15 J2 Pin 8 Input from Transformer Speed 3 Extract Air Input from transformer for speed 3 extract air This voltage can be changed by changing the voltage on the transformer 60 67 FLEXIT AS CS 50 CS 500 User Manual 94269 Common description of speed control with transformer control Li L a bl Li Li TFU TS TF 2 TF AN TF1 voltage out to the supply air motor speed 1 2 or 3 J1 Pin 11 TF 1 Supply air speed 1 from transformer J2 Pin 3 TF 2 Supply air speed 2 from transformer J2 Pin 4 TF 3 Supply air speed 3 from transformer J2 Pin 5 R1 Relay for supply air speed 1 R2 Relay for supply air speed 2 R3 Relay for supply air speed 3 FF1 voltage out to the extract air motor speed 1 2 or 3 J1 Pin 14 TF 1 Extract air speed 1 from transformer J2 Pin 6 TF 2 Extract air speed 2 from transformer J2 Pin 7 TF 3 Extract air speed 3 from transformer J2 Pin 8 R1 Relay for extract air speed 1 R2 Relay for extract air speed 2 R3 Relay for extract air speed 3 This is the L phase applies to both supply air and extract air The fans N phase comes from the printed circuit board N phase supply air J1 Pin 12 N phase extract air J1 Pin 15 The supply air fan c
21. 94269E 02 2009 02 FLEXIT CS 0 CS 500 User Manual Automatic Control x LL md bis Flexit AS Televeien 15 N 1870 rje www flexit com Contents 1 OLE LE eiia ai ii detent ea eer dade pentane i e a eeii 6 1 1 Brief Description 222652 HE 6 1 2 FUnetlonsuu kunsuanse seende died aiaa i a iaaa aa dagtid 6 1 3 Accessories for the CS 500 mrrrrrnrrnrrrenrrnrrnnnrnnrrnnrrnnnnnnrnnnnnerrnnnnnerrnnnnnnrnnnnnn 7 1 4 Safety Comments a io ae ae JAGEREN 8 1 4 1 Requirements for Installation Engineers System Operators rrrrrrnrrnnnnnn 8 1 5 Environmental Info Protection Disposal rrrnnnnnnrnnrrnnrrnnnnnnrrnnnnnnrnnnnnnrrnnnn 8 2 Handling 422 dear tistics are ASA ST SE 9 2 1 Installation Proc dureuskunaeasre kne are arret 9 2 1 1 Controller uses Rade Ree eie 9 2 1 2 Fault Management asia Gatens na Sand 9 2 1 3 CI 500 Operator Unit ceeccccceeescceeeeeeeeeeeeeeeeeeseaeeeeeseaeeeeeseneeeeesneeeeesnaees 10 2 2 Connection Terminals ccccccceeeeceeeeeeeeeeeeeeeeeeeaeeeeeeeaeeeeeeneeeeeseneeeeeeeaees 11 3 Operation zee es ee Pate A este eat aaa Ae ieee 13 3 1 CI 500 Operating Elements ccccceccceeeeeceeeeeeeeeeeeceeeeeeeseeeeeeesseeeeesnaees 13 3 2 General Information on Navigation cccsccceeeeeeeeeeeeeeeeeeeeeeeeeeneeeeesenees 14 3 2 1 Levels agents aerosoler suet wunts dicen 14 3 2 2 MONUS Lapeer eanet 15 3 2 3 Password cimeri renie veies ga
22. Air not CS 50 64 5 33 5 Pin 1 2 Supply Air Temperature Sensor mmrrrrrrrrrrrnnrrrnrrnnnnnrrrnnnnnnrnn 65 5 34 5 Pin 3 4 Temperature Sensor Water Battery rrrrrrnrrrrnnnrrnrrnnnrn 65 5 35 5 Pin 5 8 Electric Battery Thermostat cceceeeeeeeeeeeeeeeeeeeeeeeeseeees 65 5 36 5 Pin 6 7 Not in Usei Teltat nen ei e aE EA 65 5 37 5 Pin 9 10 Control Signal for Heating 0 10 V rrnnrnnnnnrnnrrnnrrnrnnnrrnnnnnnrnn 65 5 38 5 Pin 11 12 Control Signal to Recovery System mrrrnrrnnrrnrrnnnrrnnnnnnrnn 65 5 39 5 Pin 18 14 Rotor Alanine ice esse cet de eee eie 66 5 40 5 Pin 15 GO External Start Stop errnnnrnnnonnrrnnrnnrrnnrrnnnnnnrrnnnnnnrrnnnnnnrnn 66 5 41 5 Pin 16 GO Forced Ventilation errnnrrnnnonrrrrnrnnrrnnrrnnnrrnrrnnnnnnrnnnnnnnnnn 66 5 42 6 Pin 1 3 Supply Air Fan Control Signal 0 10 V mrrrrrrnrrnrrnnrrrnnnnnnrn 66 5 43 6 Pin 2 GO Start Stop Supply Air Fan 0 10 V cceseseeeeeeeeeeeeeeeees 66 5 44 6 Pin 4 5 Supply Air Fan and Extract Air Fan Motor Protection 66 5 45 6 Pin 7 9 Extract Air Fan Control Signal 0 10 V rrnrrrrrrnrrrnnnrrrnnnnnn 66 5 46 6 Pin 8 GO Start Stop Extract Air Fan 0 10 V rrnnrrnnrnnrrrnnrnnnrnnrrnnnnnn 66 5 47 6 Pin 10 GO Supply Air Pressure Guard not CS 50 rrrrrrrrrnnnrrnnnnnn 66 5 48 6 Pin 12 GO Extract Air Pressure Guard not CS 50
23. FF Active YES NO Day ON Time ON Speed Temperature Temperature ON OFF Day OFF Time OFF Active YES NO Day ON Time ON Speed Temperature Temperature ON OFF Day OFF Time OFF Active YES NO Day ON Time ON Speed Temperature Temperature ON OFF Day OFF Time OFF Active YES NO Day ON Time ON Speed Temperature Temperature ON OFF Day OFF 17 67 FLEXIT AS CS 50 CS 500 User Manual 94269 Time OFF Active YES NO Day ON Time ON Speed Temperature Temperature ON OFF Day OFF Time OFF Setting Save setting YES NO Reset YES NO Reset to factory YES NO setting Control Extract air ON OFF not CS 50 Weekly timer 6 Min supply air Max extract air FanSlow ON OFF Comp not CS 50 ON OFF Summer diff Stop summer Start summer Winter diff Stop winter Start winter Diff not CS 50 ON OFF Temp diff Min supply air Max supply air AutoExt Sup ON OFF not CS 50 Outdoor air temperature Deviation Step control ON OFF not CS 50 Ed ONO control Cooling Min outdoor air temp Delay Min speed Linear mode ON OFF Step 2 Binary mode ON OFF Step 2 Step 3 Cooling recovery ON OFF Diff temp Temperature Thermoguard sensor Supply air ON OFF Extract air ON OFF not CS 50 Outdoor 18 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Return water ON OFF Neutral zone Cooling recovery system not CS 50 Recovery system heating pr ME
24. FF position Under Menu I Speed adjustment I you can adjust the fans to the preferred air quantity You can also select Manual here Under Menu Fans Fan control Manual you can set the fan speeds The unit will operate on this setting in the period in question Please note that you can set different setpoint values for the temperature in the different changeover periods These values will override the temperature setpoint value set under Menu Temperature Setting The example below shows how the Weekly Timer is programmed to stop at weekends using the times set in the example under the Daily Timer With these settings the unit will operate from 07 00 to 18 00 on speed 2 and from 18 00 to 07 00 on speed 0 from Monday to Friday The unit stops from Friday 18 00 to Monday 07 00 Weekly Timer 1 Day on Saturday Indicates the day on which the deviation from the Daily Timer is to start Time on 06 00 Indicates the time at which the time channel is to start Must be before the time in Daily Timer 1 Speed 0 Indicates the speed selected 0 1 2 or 3 Temperatu 20 Indicates the temperature setpoint value re Temperatu OFF Indicates whether the temperature is to be controlled from the timer re Time OFF 19 00 Indicates the time at which the time channel is to stop Must be after the time in Daily Timer 2 Day OFF Sunday Indicates the day on which the deviation from the Daily Timer is to
25. FLEXIT AS 94269 CS 50 CS 500 User Manual Setting Description Setting Description Setting Description Setting Description Setting Temperature Neutral zone Parameter name Setting range Unit Cooling heat exchanger Hrec 5 0 5 0 c not CS 50 Hrec Heat exchanger Heating 5 0 5 0 c 4 51 Speed Stage 1 Supply Air Sets the desired speed for stage 1 This applies only to units that have infinitely variable fan control Fan control Speed setting Supply air Speed 1 Parameter name Setting range Unit Speed 1 0 100 4 52 Speed Stage 2 Supply Air Default value 35 Sets the desired speed for stage 2 This applies only to units that have infinitely variable fan control Fan control Speed setting Supply air Speed 2 Parameter name Setting range Unit Speed 2 0 100 4 53 Speed Stage 3 Supply Air Default value 50 Sets the desired speed for stage 3 This applies only to units that have infinitely variable fan control Fan control Speed setting Supply air Speed 3 Parameter name Setting range Unit Speed 3 0 100 4 54 Speed Stage 1 Extract Air Default value 100 Sets the desired speed for stage 1 This applies only to units that have infinitely variable fan control Fan control I Speed setting I Extract air I Speed 1 Parameter name Setting range Unit Default value Speed 1 0 100 35 47 67 FLEXIT AS 94269 CS 50 CS
26. O Start Stop Extract Air Fan 0 10 V Connection of a start stop signal for the extract air fan potential free contact This is just for internal control 5 47 J6 Pin 10 GO Supply Air Pressure Guard not CS 50 Connection of the supply air pressure guard potential free contact 5 48 J6 Pin 12 GO Extract Air Pressure Guard not CS 50 Connection of the extract air pressure guard potential free contact 66 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Description 5 49 J6 Pin 13 14 PWM Heating Control OFF ON not CS 50 Connection of a control signal for the heating battery OFF ON signal 0 24 V DC PWM Pulse With Modulation This is used to control SSR with an electric heating battery 5 50 J6 Pin 15 16 Cooling 0 10 V not cs 50 Connection of a control signal for the cooling battery 0 10 V 5 51 ISDN Contact for Plate Exchanger Heat Recovery System Plate Exchanger The heat required is controlled by a 0 10 V signal that controls the bypass air damper in modulating fashion The bypass air damper is closed at 10 V and ensures full recovery De icing the heat exchanger cassette This is done using the patented Thermoguard system Description of the Thermoguard system The Thermoguard consists of two components a temperature sensor and a humidity sensor The temperature sensor T consists of a passive Ni1000 element and thus produces different resistance v
27. Parameter name 25 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Comp ON OFF OFF X Summer diff 10 10 0 C 2 X Stop summer 10 40 0 C 30 X Start summer 10 40 0 C 25 X Winter diff 10 10 0 G 1 x Stop winter 30 20 0 C 20 x Start winter 30 20 0 a 30 X Temperature Control DIF Parameter name DIF ON OFF OFF X Temp diff 5 10 0 C 2 X Min supply air 5 25 0 C 16 X Max supply air 15 450 0 C 35 X Temperature Control AutoExt Sup Parameter name AutoExt Sup ON OFF OFF X Outdoor air 5 25 0 c 15 X temperature Deviation 1 3 0 C 2 x Temperature Control Night purging Parameter name Night purging ON OFF OFF X Diff 1 20 0 C 5 X Min time 0 720 Min 30 x Min outdoor air temp 5 30 0 C 12 X Temperature Control Step control Step control ON OFF OFF X Temperature External control Parameter name External control ON OFF OFF x Temperature Cooling Linear mode Parameter name Linear mode ON OFF OFF X Stage 2 10 100 50 x Temperature Cooling Binary mode Parameter name Binary mode ON OFF OFF X Stage 2 10 70 40 X Stage 3 50 100 80 X Temperature Cooling Cooling recovery Parameter name Cooling recovery ON OFF OFF X Diff temp 0 5 C 1 x 26 67 FLEXIT AS 94269 CS 50 CS 500 User Manual qs X 5 Q eb Temperature Temperature sensors Calibration Parameter name Calibration of temp sensor for plate Thermoguard 5
28. Parameter name Display range Unit Reset NO YES NO 4 101 Manual Override Here you can manually force the functions this overrides all other settings Test Test parameter name Parameter name Display range Unit Fan speed Speed 0 1 2 3 Heating ON OFF OFF Preheating ON OFF OFF Heat recovery system ON OFF OFF Cooling not CS 50 ON OFF OFF Alarm output ON OFF OFF Factory test ON OFF OFF 4 102 Sensor Temperature Display The current temperature on the sensors is displayed here Those that are not connected will display 55 C Test Test parameter name Parameter name Display range Unit Thermoguard 50 150 0 C Supply air 50 150 0 C Extract air not CS 50 50 150 0 C Outdoor air not CS 50 50 150 0 C Return water 50 150 0 C 58 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Description Description Description Description Description Description Description 5 Description of I O 5 1 J1 Pin 1 PE Earthing of the printed circuit board 5 2 J1 Pin 2 3 Power Supply to the Board Power supply to the board 230 V 50 Hz 5 3 J1 Pin 4 5 Pump Water Battery or Stage 2 Electric Battery Relay output 230 V 11 A With a water battery used to start stop the water pump Closes when heating is required With an electric battery Used to control element group 2 stage 2 Stage 2 comes on at 5 V 5 4 J1 Pin 6 7 Not in Use V
29. SEE 42 4 39 Outdoor Air Temperature for Start of Cooling not CS 50 rrrrrrrrrnnnnnnnr 433 4 40 Time between Each Start not CS 50 rrrrrrrrnrrnrrrrrrnnrrnnrrnnrnnrrrnnnnenrnnnnnn 43 4 41 Minimum Speed for Cooling not CS 50 rrrnrrnrrrnnrrnrrrnrrnnrrnnrrnnnnnnrrnnnnrnrn 44 4 42 Selection of Linear Control for DX Machine not CS 50 mmrrrrrrrnrrrnnnnnn 44 4 43 DX Stage 2 not transformer control ronnrnnnrnnnrnnrnnnrrnnrnnnrnnnnnnrrnnnnnnnnnnnn 44 4 44 Selection of Binary Control for DX Machine not CS 50 mmmrrrrrrrnnrrnnnnnr 44 4 45 DX Stage 2 Not CS 50 ues ee ean 45 4 46 DX Stage 3 not CS AO a a a a a a a E aaa E EE 45 4 47 Activation of Cooling Recovery System not CS 50 rrrrrrrrrrrrrrrrnnnnnnrrnnnn 45 4 48 Start Temp Differential for Cooling Recovery not CS 50 rrrrrrrrrrnrnnnnr 45 4 49 Calibration with Measured Values Activation of Sensors rrrnnrrnnrnrnrn 46 4 50 Neutral ZoNa Srii irine vie reies keine 46 4 51 Speed Stage 1 Supply Air anrnnnonnronnnvnnrnnnnnnnnnrnrnnvnnnnrnnnnnnnnnnnnnnnnnnnnennn annen 47 4 52 Speed Stage 2 Supply Air ccccccccceeeeceeeeeeeceeeeeeeeeeeeeeeeeeseneeeeeeeneeeeenaees 47 4 53 Speed Stage 3 Supply Air rrnrrrnnrnnrrnnrrnnrnnnrnnrnnrrnnnnnnrrnnnnenrrnnnnenrnnnnnenrnnnnnn 47 4 54 Speed Stage 1 Extract Air scissione eate aa a a a 47 4 55 Speed Stage 2 Extract Air annnnnrnnrnnnnrnnrnnnrnnrrnnnrnnnnnn
30. acant function 5 5 J1 Pin 8 9 10 Outdoor Air Damper Relay output 230 V 2 A Pin 8 L 230 V OFF ON Pin 10 N 230 V Pin 8 is powered when the unit starts up 5 6 J1 Pin 11 12 Supply Air Fan Operating Voltage Output for the supply air fan operating voltage with transformer control 5 7 J1 Pin 14 15 Extract Air Fan Operating Voltage Output for the extract air fan operating voltage with transformer control 5 8 J1 Pin 13 16 Vacant function 59 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Description Description Description Description Description Description 5 9 J2 Pin 1 2 230 V Supply 230 V AC supply 5 10 J2 Pin 3 Input from Transformer Speed 1 Supply Air Input from transformer for speed 1 supply air This voltage can be changed by changing the voltage on the transformer 5 11 J2 Pin 4 Input from Transformer Speed 2 Supply Air Input from transformer for speed 2 supply air This voltage can be changed by changing the voltage on the transformer 5 12 J2 Pin 5 Input from Transformer Speed 3 Supply Air Input from transformer for speed 3 supply air This voltage can be changed by changing the voltage on the transformer 5 13 J2 Pin 6 Input from Transformer Speed 1 Extract Air Input from transformer for speed 1 extract air This voltage can be changed by changing the voltage on the transformer 5 14 J2 Pin
31. alues at different temperatures The humidity sensor H also produces different resistance values at different humidity levels Frost is avoided using the following combinations e Temperature T lt 1 C and humidity H lt 800 KQ e Temperature T lt 3 C and dry H lt 1200 kQ De icing stops when the temperature in the cassette increases by 2 adjustable C from the frost position 5 or 3 Cables 4 2 from the Ni1000 and 2 from the humidity sensor The Thermoguard sensor is located in the cold corner of the heat exchanger cassette During de icing the control signal to the heat recovery unit will be on 0 V full bypass The fan speed must be the same throughout the de icing period unless you have selected fan reduction at too low supply air temperature The right to give notice of lack of conformity applies to this product in accordance with the existing terms of sale provided that the product is used correctly and maintained Filters are consumables The symbol on the product shows that this product must not be treated as household waste It must be taken to a reception station for recirculation of electric and electronic equipment By ensuring the correct disposal of the equipment you will contribute to preventing the negative consequences for the environment and health that incorrect handling may entail For further information on recirculation of this product please contact your local authority your refuse colle
32. an be set to 4 different speeds Speed 0 R1 OFF R2 OFF R3 OFF Speed 1 R1 ON R2 OFF R3 OFF Speed R1 OFF R2 ON R3 OFF Speed R1 OFF R2 OFF R3 ON The extract air fan can be set to 4 different speeds Speed 0 R4 OFF R5 OFF R6 OFF Speed 1 R4 ON R5 OFF R6 OFF Speed 2 R4 OFF R5 ON R6 OFF Speed 3 R4 OFF R5 OFF R6 ON 61 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 5 16 J3 Pin 1 4 Alarm Output Priority A not CS 50 Description Output for common fault alarm A The output is activated if there is still an A alarm that has not been processed 230 V 1 A 5 17 J3 Pin 2 4 Alarm Output Priority B not CS 50 Description Output for common fault alarm B The output is activated if there is still a B alarm that has not been processed 230 V 1 A General description of The alarm outputs for the two parameters A Alarm and B Alarm are used to monitor the alarm function the entire system Isolated system faults are collected in the common fault and displayed as one alarm with priority A or B The common fault message indicates that there is a fault in the system but does not say what the fault is If an alarm is triggered the LED flashes beside the alarm key on the control panel Fire smoke alarm priority depends on the choice of action in connection with fire If there is no action the priority B In the event of stop or full ext
33. asily Remember to make the unit dead first Electrical connections must be done in the following order Peripheral equipment first and then the mains voltage 2 1 2 Fault Management If a fault should occur check the following first e The power supply is 230 V AC e The peripheral units are correctly connected e Fault diagnosis using the LEDs on the unit e Fault diagnosis using the alarm menu in the handheld terminal If going through the above list does not help to locate and repair the fault the controller must be replaced and the defective part returned via your dealer to the factory 9 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 2 1 3 CI 500 Operator Unit On the rear of the Cl 500 is an opening that allows the operator unit to be hung on the wall 128 XB HEA eu dd dIo 30 30 1 r 28 28 30 30 92 Installation drawing for panel holder 10 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 2 2 Connection Terminals CS 500 Function IO J1 J1 PE J1 Main supply J1 Pump water battery heating stage 2 electric battery J1 Not in use IO Type Digital Digital 230 V Digital 230 V 11 A Digital J1 Outdoor air damper Pin 8 L ON OFF Pin Digital 230 V 2 A 9 L Pin 10 N J1 Operating voltage for supply ai
34. been recommended by Flexit but such products must meet the safety requirements and other technical requirements specified in the relevant product descriptions 1 4 1 Requirements for Installation Engineers System Operators Preparatory work on and commissioning of the CS 500 unit must be performed by qualified personnel who have received training from Flexit The CS 500 must only be operated by people who have received adequate training from Flexit or Flexit s representatives and have acquired knowledge of possible risk areas 1 5 Environmental Info Protection Disposal The CS 500 controller has no negative impact on the environment The symbol on the product shows that this product must not be treated as household waste It must be taken to a reception station for recirculation of electric and electronic equipment By ensuring the correct disposal of the equipment you will contribute to preventing the negative consequences for the environment and health that incorrect handling may entail For further information on recirculation of this product please contact your local authority your refuse collection company or the company from which you purchased it 8 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 2 Handling 2 1 Installation Procedure 2 1 1 Controller The CS 500 controller is mounted on 5 distance sleeves The terminals are divisible can be removed from the printed circuit board to allow the controller to be replaced e
35. ction company or the company from which you purchased it Notice of lack of conformity as a result of incorrect or defective installation must be submitted to the installation company responsible The right to give notice of lack of conformity may lapse if the system is used incorrectly or maintenance is grossly neglected 67 67 FLEXIT AS 94269 CS 50 CS 500 User Manual
36. ctric or water battery Cooling not CS 50 With constant supply air control the desired temperature is maintained regardless of the outdoor sensor and extract air room temperature You can select air flow rate reduction at low supply air temperature if the heating battery does not produce enough heat the fan speed will slowly be reduced er N zone N zone Functional Description Control signal Cooling Hrec Hrec heating 100 Cooling Hrec Heating Signal to controller 35 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Functional Description Description Functional Overview Description Temp 4 15 2 Control Function 2 Room or Extract Air Control not CS 50 With room extract air control the incoming air temperature is controlled in accordance with the temperature measured in the room or in accordance with the extract air and the setpoint value for the room extract air temperature In order to obtain the best possible comfort you can define the lowest highest values for the incoming air temperature If the temperature of the incoming air falls to the lowest setting the automatic control functions attempt to control the supply air temperature in relation to this value Max supply air temp upply air temp Room extract air temp Temp setpoint value Min supply air temp Time 4 15 3 Control Function 3 Diff not cs 50 Using DIFF temperature control you can
37. define a temperature differential between the extract air and supply air temperatures and a minimum maximum supply air temperature The supply air temperature will follow the extract air room temperature with a fixed temperature differential temp diff Extract air temp Max supply air temp Supply air temp Temp diff Min supply air temp Time 4 15 4 Control Function 4 Supply Air Control Compensated for Outdoor Air not CS 50 In this case you can define a reference value for low and high outdoor air temperatures 36 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Functional Description Description Description Setting Description Setting 29 22 C 1 219C 20 C 2 18 C You can select air flow rate reduction at low supply air temperature if the heating battery does not produce enough heat Winter Stop diff winter Start Stop Sommer summer summer Preset ref value Control setpoint value 30 C Outdoor temperature 25 C 30 C 20 C 4 16 Control Type Selection Selection of the type of control function The following temperature control options can be selected 1 Constant supply air temperature 2 Room extract air control not CS 50 3 DIF temperature control not CS 50 4 Supply air control compensated for outdoor air not CS 50 The unit will operate in supply air control mode unless one of the other functions is selected
38. ds Under Weekly Timer six independent changeover times can be entered The time fan speed and relevant set point value can be set NB The Daily Timer must be correctly programmed before the Weekly Timer is programmed Configuration Timer Weekly Timer 1 6 I Setting line Under Weekly Timer six independent changeover times can be entered The time fan speed and relevant set point value can be set These times override what is entered in the daily timer The table below shows the operating functions that must be entered 33 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Settings Example When you define a setting you must ensure that a changeover time is activated Weekly Timer settings with a higher period number preseds those with a lower number Timer day ON period 1 4 Mon Mon Sun Timer time ON period 1 4 06 00 00 00 23 59 Timer speed period 1 4 1 0 3 Timer temperature 20 C 10 40 period 1 4 Timer temperature ON OFF OFF C_ ON OFF period 1 4 Timer time OFF period 1 4 20 00 00 00 23 59 Timer day OFF period 1 4 Fri Mon Sun Timer active YES NO Please note that you can set different setpoint values for the temperature in the different changeover periods These will override the setpoint value under Temperature Setting I If you want to set the temperature manually the setting Temperature ON OFF must be in the O
39. e F password l Level 0 1 2 Numeric code 0000 1000 XXXX The password levels are structured hierarchically This means that if password 3 is entered everything on password level 1 or 2 can be read or written as well 15 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 3 2 4 Overview of the Menu Structure Information Temperature setting Supply air Extract air not CS 50 Outdoor air not CS 50 Thermoguard Return water Cooling not CS 50 Recovery system Heating Speed Timer Temperature control type not CS 50 Fan control type Supply air Extract air Configuration Language English Norwegian Swedish Danish Finnish German Dutch Filter Time counter ON OFF activated Period of time Reset time counter YES NO pressure guard pressure guard iN codes Service cous Senwes Timer Daily timer 1 Active ON OFF Time ON Speed Temperature Temperature ON OFF Active YES NO Daily timer 2 Active ON OFF Time ON Speed Temperature FLEXIT AS 94269 CS 50 CS 500 User Manual 16 67 Daily timer 3 Daily timer 4 Weekly timer 1 Weekly timer 2 Weekly timer 3 Weekly timer 4 Weekly timer 5 Temperature ON OFF Active YES NO Active ON OFF Time ON Speed Temperature Temperature ON OFF Active YES NO Active ON OFF Time ON Speed Temperature Temperature ON OFF Active YES NO Day ON Time ON Speed Temperature Temperature ON OFF Time OFF Day O
40. eeaees 32 4 12 Dally Lo EE Eee 32 4 13 Weekly Timer au dr ecient nti Se eas 34 4 14 Resetting to Factory Settings cccccccccceeeeeeeeeeeeceeeeeeeeeeeeeaeeeeesseeeeessaeees 35 4 15 Configuration of Temperature Control ccceeeeeeeeeeeeeeeeeeeeeeeeesteeeeeesnees 35 4 15 1 Control Function 1 Constant Supply Air Temperature ceeeeeee 35 4 15 2 Control Function 2 Room or Extract Air Control not CS 50 0 366 4 15 3 Control Function 3 Diff not CS 50 eee ceeecceeeeeeeeeeeeeeeeeeeeeeeesneeeeeesaees 36 4 15 4 Control Function 4 Supply Air Control Compensated for Outdoor Air not CS DO sede seen ae 36 4 16 Control Type Selection cccccccceeeececeeeeeceeeeeeeeeeeeeaeeeeeeceeeeeseneeeesesneeeeeeaees 37 4 17 Temperature Setting Main SeEnsor cccceccceeeeeeeeeeeeeeeeeeeeeeeesneeeetees 377 4 18 Extract Air Control Selection not CS 50 rrrrrnnrrnnrrnrrrnnrrnrrnnnrnnnnnnrrnnnnnn 377 4 19 Min Supply Air Temperature not CS 50 mrrrrrrnrrnnrrnnrrnrnrvrnnrrnrrnnrrnnnnnn 388 4 20 Max Supply Air Temperature not CS 50 rrrrrrrrnrrnnrrrnrrnrrnnnrrnnnnnrrnnnnnn 388 4 21 Fan Reduction with Low Supply Air Temperature mrrrrrnnrrnrrrnnrrnnrnnnnn 388 2 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 4 22 Outdoor Air Compensation not CS 50 rrrrrrnrrrrrrnrnnrrnnrrrrrnnrrnrnnenrnnnnnn 388 4 23 Compensate for High Summer Temperat
41. er Weekly timer 3 Parameter name Day ON Monday Sunday Saturday Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Time OFF 00 00 24 00 20 00 Day OFF Monday Sunday Sunday Active YES NO NO Configuration Timer Weekly timer 4 Parameter name Day ON Monday Sunday Saturday Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Time OFF 00 00 24 00 20 00 Day OFF Monday Sunday Sunday Active YES NO NO Configuration Timer Weekly timer 5 Parameter name Day ON Monday Sunday Saturday Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Time OFF 00 00 24 00 20 00 Day OFF Monday Sunday Sunday Active YES NO NO Configuration Timer Weekly timer 6 Parameter name Day ON Monday Sunday Saturday Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Time OFF 00 00 24 00 20 00 Day OFF Monday Sunday Sunday Active YES NO NO Configuration Setting Parameter name Save setting YES NO NO Reset setting YES NO NO Reset to factory YES NO NO setting Temperature Setting Parameter name Setting 0 40 0 C 20 Temperature Control Extract air control Parameter name Extract air ON OFF OFF X Min supply air 5 25 0 c 16 X Max supply air 15 45 0 C 35 X Temperature Control Fan reduction Parameter name FanSlow ON OFF OFF Temperature Control Comp
42. f Parameter name Setting range Unit Default value Temp diff 0 40 0 C 2 4 31 Min Supply Air Temperature not cs 50 Description With DIF the lowest temperature that you want to have in the supply air must be set Setting Temperature Control Min supply air Parameter name Setting range Unit Default value Min supply air 0 40 0 C 16 40 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Settings Description Settings Description Settings 4 32 Max Supply Air Temperature not cs 50 With DIF the highest temperature that you want to have in the supply air must be set Temperature Control Max supply air Parameter name Setting range Unit Default value Max supply air 0 40 0 C 35 4 33 Automatic Switching between Extract Air and Supply Air Control not cs 50 If you decide to activate this function the control switches automatically between extract air room control and supply air control when the outdoor air temperature reaches a preset temperature for example 15 C When the outdoor air temperature exceeds 15 C extract air room control switches in If it falls below 15 C AT supply air control starts QT 2 C In order for this to work either supply air or extract air room control must be activated Temperature Control AutoExt Sup AutoExt Sup Parameter name Setting range Default value AutoExt Sup ON OFF OFF 4 34 TempSwitchS
43. ge Signal B4 lt 45 C amp gt 50 C Temperature sensor in the plate exchanger is out of its measuring range Sensor fault or sensor not connected Return water sensor out of range Signal B5 lt 45 C amp gt 80 C Temperature sensor in the plate exchanger is out of its measuring range Sensor fault or sensor not connected Frost sensor not connected Signal TA active Alarm unless the frost guard for the plate exchanger is connected applies only to units with plate exchangers Thermostat active Signal BT active Overheating thermostat has been triggered on account of excessive temperature in electric battery Fire smoke sensor active not CS 50 Signal BR active External signal from fire or smoke detector Rotor alarm active Signal RA active Alarm from the rotor unit Motor protection active not CS 50 Signal TP active Alarm signal from motor protection Joint alarm for the supply air and extract air fans Frost alarm water battery Filter alarm Supply air filter alarm not CS 50 Extract air filter alarm not CS 50 Lowe return water temperature Filter alarm Signal TFI Signal FFI Frost alarm from water battery on account of low temperature in the water battery Filter replacement alarm only in units without a pressure guard Supply air filter alarm Extract air filter alarm Here you can choose whether the unit is to stop
44. groups 3 DX cooling battery linear cooling battery divided into two identical groups If you want to have the linear setup set this function to ON Temperature Cooling Linear mode Linear mode Parameter name Setting range Default value Linear mode ON OFF ON 4 43 DX Stage 2 not cs 50 DX 1 starts when the outdoor air temperature is over the Min outdoor air temperature and the extract air is over the setpoint value desired extract air temperature neutral Zone DX 2 starts and DX 1 remains on when the cooling output reaches 50 controllable Stage 2 Temperature Cooling Linear mode Stage 2 Parameter name Setting range Unit Default value Stage 2 0 100 50 4 44 Selection of Binary Control for DX Machine not CS 50 You can select 3 different controls 1 0 10 V operation ice water 2 DX cooling battery binary cooling battery divided into two different groups 3 DX cooling battery linear cooling battery divided into two identical groups If you want to have the binary setup set this function to ON Temperature Cooling Binary mode Binary mode Parameter name Setting range Default value Binary mode ON OFF OFF 44 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Settings Settings Description Settings Settings 4 45 DX Stage 2 not cs 50 DX 1 starts when the outdoor air temperature is over the Min outdoor air temperature and the extract air is over the setpoint value
45. ing recovery Diff temp Parameter name Setting range Unit Default value Diff temp 0 5 C 1 45 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 4 49 Calibration with Measured Values Activation of Sensors Description A number of disturbance factors can impair the display of measured values If the temperature displayed is not the same as the temperature measured with the sensor the display can be corrected Effects e Parallel movement of the sensor s properties with the corrected value e The respective actual value parameters show the corrected temperature Settings Temperature Temperature sensors Calibration Frost relay Supply air Extract air ON OFF Outdoor air ON OFF Return water Parameter name Setting range Unit Thermoguard 5 0 5 0 C Supply air 5 0 5 0 C Extract air 5 0 5 0 C ON OFF Outdoor air temp 5 0 5 0 C ON OFF Return water 5 0 5 0 C 4 50 Neutral Zones Description The supply air temperature is controlled using the following three functions e Heat recovery Hrec e Heating electric or water battery e Cooling not CS 50 Between the functions it is necessary to have a neutral zone to avoid oscillation between the functions Avoid going below 2 C i wer N zone N zone Functional Description Control signal Cooling Hrec Hrec heating 100 z TG g Cooling Hrec Heating Signal to controller 46 67
46. ings At the same time it is necessary to have a time function in connection with these outputs they must be OFF for at least 3 minutes before being switched on this value can be adjusted Delayed activation DX cooling battery linear cooling battery divided into two identical groups The cooling battery is divided into two groups 1 2 The intention is to supply a cooling machine that has two equally large effects The machines are controlled by both the outdoor air temperature and the extract air room temperature Example e DX 1 starts when the outdoor air temperature is over the Min outdoor air temperature and the extract air is over the setpoint value desired extract air temperature neutral zone e DX 2 starts and DX 1 remains on when the cooling output reaches 50 controllable Stage 2 At the same time it is necessary to have a time function in connection with these outputs they must be OFF for at least 3 minutes before being switched on this value can be adjusted Delayed activation Common to the DX cooling batteries The following criteria must be met for cooling to work e Temperature above the preset value N zone between heating and cooling e For DX machines at least 3 minutes must pass between each start e The air flow rate must be over the lowest setting DX start e Output for heat recovery HR is 0 0 V With extract air control you can set the lowest temperature for the sup
47. n Stops the unit if you hold the key in for 5 seconds Moves the cursor or adjusts a value Places the cursor in the previous menu again If there is no activity for 10 minutes the light in the panel will go out 13 67 FLEXIT AS CS 50 CS 500 User Manual 94269 Operator level Service level Factory level 3 2 General Information on Navigation 3 2 1 Levels Data access is divided into three underlying levels e Operator level e Service level e Factory level The end user has access to the operator level On the operator level the end user can read and change specific values without entering a password The service engineer has access to the service level The end user does not have access to the service level This level is designed exclusively for the service engineer who gains access by entering the correct password When the password has been entered the engineer gains access to the second highest level and can read and change all values that are accessible on the service level The HVAC engineer has access to the factory level The end user and the service engineer do not have access to the factory level This level is designed exclusively for the HVAC engineer who gains access by entering the correct password When the password has been entered the engineer gains access to the highest level and can read and change all values In this documentation the terms end user parameters se
48. n alarm In addition there is an integrated operating test This starts once a day and runs for 1 minute in connection with each start Units that have a plate exchanger used to control the bypass exchanger air damper 5 39 J5 Pin 13 14 Rotor Alarm Connection of the rotor alarm potential free contact Produces a B alarm 65 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Description Description Description Description Description Description Description Description 5 40 J5 Pin 15 GO External Start Stop Used to start stop the unit from an external switch potential free contact 5 41 J5 Pin 16 GO Forced Ventilation Connection of an external switch for forced ventilation potential free contact The unit will operate at speed 3 5 42 J6 Pin 1 3 Supply Air Fan Control Signal 0 10 V Connection of a 0 10 V signal to control the speed of the supply air fan 5 43 J6 Pin 2 GO Start Stop Supply Air Fan 0 10 V Connection of a start stop signal for the supply air fan potential free contact This is just for internal control 5 44 J6 Pin 4 5 Supply Air Fan and Extract Air Fan Motor Protection Connection of motor protection for the supply air fan and extract air fan potential free contact 5 45 J6 Pin 7 9 Extract Air Fan Control Signal 0 10 V Connection of a 0 10 V signal to control the speed of the extract air fan 5 46 J6 Pin 8 G
49. nalogue NTC NTC Analogue 0 10 V Analogue 0 10 V 0 10 V 0 10 V 0 10 V 0 10 V nnan NTC NTC Digital Analogue 12 V DC Analogue 0 10 V Analogue 0 10 V Digital Connection CS 500 J1 Pin 1 J1 Pin 2 3 J1 Pin 4 5 J1 Pin 6 7 J1 Pin 8 9 10 J1 Pin 11 12 J1 Pin 14 15 J2 Pin 1 J2 Pin 2 J2 Pin 3 J2 Pin 4 J2 Pin 5 J2 Pin 6 J2 Pin 7 J2 Pin 8 J3 Pin 1 4 J3 Pin 2 4 J3 Pin 3 4 J3 Pin 5 J3 Pin 6 8 J3 Pin 7 8 J4 J4 J4 J4 J4 J4 J4 J4 J4 J4 J4 J4 Pin 1 GO Pin 2 GO Pin 3 GO Pin 4 GO Pin 5 6 Pin 7 GO Pin 8 GO Pin 9 GO Pin 10 11 Pin 12 13 Pin 14 GO Pin 16 GO ee ee ee ee J5 Pin 1 2 J5 Pin 3 4 J5 Pin 5 8 J5 Pin 6 7 J5 Pin 9 10 J5 Pin 11 12 J5 Pin 13 14 Connection Component not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 not CS 50 11 67 FLEXIT AS CS 50 CS 500 User Manual 94269 CS 500 Function IO Connection Connection IO Type CS 500 C
50. name Time counter Active alarms Alarm history Reset alarm Fan speed ON OFF Speed 0 1 2 3 Heating Preheating Heat recovery ON OFF ON OFF ON OFF system Cooling Alarm output Factory test ON OFF ON OFF ON OFF Test Test Sensors Parameter name Thermoguard C Supply air C Extract air C Outdoor air temp C Return water C ON OFF OFF OFF x OFF OFF OFF 1 A password that permits a user to read the value and or change it Info password I Operator password O Parameter password P for the information level password not necessary for the operator level for the parameter level CS 50 CS 500 User Manual Microswitch ON OFF 1 Rotating exchanger Cross heat exchanger 2 Unit fitted with a water battery Unit fitted with an electric battery 3 The unit has an exchanger with a The unit has preheating only if the unit has a plate bypass exchanger 4 Not in use Not in use 29 67 FLEXIT AS 94269 Description Setting Description Setting Description Setting Description Setting 4 Description of the Functions 4 1 Menu Language Selection There are 6 different menu languages to choose from Configuration Language English Parameter name Setting range Unit Default value English English Norwegian English Swedish Danish Finnish German Dutch 4 2 Activation of Filter Replacement Time Counter By activating
51. nce start delay 2 Parameter name Setting range Unit Default value Start delay 2 0 60 0 Sec 30 4 90 Start Delay for Supply Air Fan Speed 1 Setting the start delay for the supply air fan speed 1 Fan control Configuration Startup sequence start delay 3 Parameter name Setting range Unit Default value Start delay 3 0 60 0 Sec 30 4 91 Start Delay Supply Air Fan Normal Operation Setting the delay for the supply air fan between speed 1 and normal operation Fan control Configuration Startup sequence start delay 4 Parameter name Setting range Unit Default value Start delay 4 0 60 0 Sec 30 4 92 Overtravel In connection with the electric air heater the fans have a certain overtravel time setting when the unit stops normally In the event of a fire alarm for a changeover to an emergency stop there is no overtravel Units with water batteries must not have any overtravel time set this time to 0 Fan control Configuration Stop sequence Delay Parameter name Setting range Unit Default value Delay 0 300 Sec 180 4 93 Components This shows which main components the unit contains Test Information System Parameter name Setting range Recovery system Rotor plate Heating Electric battery water battery Defrosting Preheating none 56 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Description Description Setting Descripti
52. ngs that are most important when a system is to be started up e Preheating time e Start delay extract air and supply air fans Preheating time Water batteries water are sensitive to frost If the ventilation system is switched off at night and the outdoor air temperature falls below freezing point in the morning the sudden intake of cold outdoor air when the system starts up may lead to the water in the coils freezing for a short time This problem is particularly relevant for systems that use ON OFF air dampers To avoid this the heating circuit is flushed with hot water before the outdoor air and extract air dampers are opened The risk of freezing is thus eliminated and the system is switched on and operated at the correct level e The heating circuit pump is activated e The valve is opened e The air dampers are opened 4 88 Start Delay for Extract Air Fan Speed 1 Setting the start delay for the extract air fan speed 1 Fan control Configuration Startup sequence start delay 1 Parameter name Setting range Unit Default value Start delay 1 0 60 0 Sec 30 55 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Description Settings Description Settings Description Settings 4 89 Start Delay for Extract Air Fan Normal Operation Setting the delay for the extract air fan between speed 1 and normal operation Fan control Configuration Startup seque
53. nnrrnnnnnnrnnnnnnnrnnnnnn 58 5 Description of W O mrrnnnnnnnnnnrnnnnrnnnnnnnnnnnnnnnnnnnnntrnnnnnnnrnnnnnnennnnnnnrnnnnennrnnnnenen 59 5 1 JRK TYPE uataajee rea a ek 59 5 2 J1 Pin 2 3 Power Supply to the Board arrrrrrrnrvrrrrrnrrnrnnrrnnrrnnrrnnnnnnrnnnnnn 59 5 3 J1 Pin 4 5 Pump Water Battery or Stage 2 Electric Battery 59 5 4 JA Pin e T NOEN USE eee ENE 59 5 5 J1 Pin 8 9 10 Outdoor Air Damper 2srrnnrnnnnnnrrnnrnnnrnnnrnnnrnnrnnnrrnnnnnnrnnnnnn 59 5 6 J1 Pin 11 12 Supply Air Fan Operating Voltage rrnrrnnnrnnrnnnrrnnnnnrrnnnnnn 59 5 7 J1 Pin 14 15 Extract Air Fan Operating Voltage rrrnnnrnnrrnnnrnnrnnnrnnnnnr 59 5 8 JAM PIN 32 16 eee eten 59 5 9 J2 Pin 1 2 230 V SUPP a ger a a e E a e ttt 60 5 10 J2 Pin 3 Input from Transformer Speed 1 Supply Air rrnrrnnrrnrrnnrrnnnnnr 60 5 11 J2 Pin 4 Input from Transformer Speed 2 Supply Air rrnnrrnnrrnnrnnnrnnnnnr 60 5 12 J2 Pin 5 Input from Transformer Speed 3 Supply Air rrnnrrnnrrnnrnnnrnnnnnr 60 5 13 J2 Pin 6 Input from Transformer Speed 1 Extract Air snrnnrnnnnnnnnnrnnnnnr 60 5 14 J2 Pin 7 Input from Transformer Speed 2 Extract Air srnnrrnnnnnnnnrnnnnnr 60 4 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 5 15 2 Pin 8 Input from Transformer Speed 3 Extract Air rnnnnrnnnnnrnnnrnnnnnr 60 5 16 3 Pin 1 4 Alarm Output Priority A not CS 50 rr
54. nrnnnnnnnrnnnnnnrnnnnnnnennnnen 48 4 56 Speed Stage 3 Extract Air anrnnnnnnronnnrnnrnrnrnnrnnrnrnnnnnnnrnnnnnnnrnnnnnnnnnnnnnnrnnnnnn 48 4 57 Manual Control of Fan Speed mmrrnnvrnnnrnnrrnnrrnnrnnnrnrnnnnnnnrnnnnnnnrnnnnnnrrnnnnenenn 48 4 58 Forced Ventilation marresi e e e a E R AE 48 4 59 Speed for Forcing ccccccceeeeccceeeeeeceeeeseceeeeeeeceeeeseaeeeeeseaeeeeesnaeeeessneeeeesnaees 48 4 60 Time for Forcing sisii ir i ie ai e EE 49 4 61 DCV Control not CS 50 transformer control rnrrnnrnnrrnnrrrrnnrnnnrrnnnnnnnn 49 4 62 Supply Air DCV Control not CS 50 transformer control saonnnnnnrnnnnnnnrn 49 4 63 Min Extract Air not CS 50 transformer Control cccceseeceeeeeeeeeeeeeeteeees 49 4 64 Max Extract Air not CS 50 transformer control ccecccceeeeeeeeeeeeeeeees 50 4 65 Desired Supply Air Working Point not CS 50 transformer control 50 4 66 Extract Air DCV Control not CS 50 transformer control eseeee 50 4 67 Min Supply Air not CS 50 transformer control cccceeeeeeeeeeeeeeteeees 50 4 68 Max Supply Air not CS 50 transformer Control cccscceeeeeeeeteeeeeeteeees 51 4 69 Desired Working Point not CS 50 transformer control cceeeeees 51 4 70 Supply Air Constant Pressure Control not CS 50 transformer control 51 4 71 Desired Working Point not CS 50 transformer control xn
55. nrnnnrrnnnnnr 511 3 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 4 72 Min Supply Air not CS 50 transformer control c cccceeeeeeeeeeeeeeeeees 52 4 73 Max Supply Air not CS 50 transformer control rnnnrnnrrnnrnrrnnrrnnrrnnnnnnnn 52 4 74 Extract Air Constant Pressure Control not CS 50 transformer control 52 4 75 Desired Working Point not CS 50 transformer control rrrnnnnrnnnnnnrn 52 4 76 Min Extract Air not CS 50 transformer Control 0ccceeeceeeeeeeeeeeeeeeees 53 4 77 Max Extract Air not CS 50 transformer Control ccececceeeeeeeeeeeeeeteeees 53 4 78 No of External Fan Sensors not CS 50 transformer control 0 0 53 4 79 With One Sensor Second Fan Differential not CS 50 transformer control vissa eee ee eee pee la cde eee te 53 4 80 Selection of Sensor Type for Supply Air not CS 50 transformer CONtIOl cceeeecceeeeeceeeeeeeeeeeeeeeeeeecaeeceecaeeeeeseeeeeseneeeeeeseaees 54 4 81 Min Working Range for Supply Air Sensor not CS 50 transformer CONtIOl ccceeeeeeeeeeeeeeeeeeceeeeeeeeeeeecaeeeeecaeeeeeeeaeeetseneeeeeeeseaees 54 4 82 Max Working Range for Supply Air Sensor not CS 50 transformer control 2 025 264 oe Ps cees soe kresne eet nite ee a 54 4 83 Selection of Sensor for Extract Air not CS 50 transformer control 54 4 84 Min Working Range for Extract Air Sensor not CS 50 tran
56. omponent J5 External start stop Digital J5 Pin 15 GO J5 Forced operation Speed 3 Digital J5 Pin 16 GO J6 J6 Supply air fan Analogue 0 10 V J6 Pin 1 3 J6 Start stop supply air fan Digital J6 Pin 2 G0 J6 Alarm supply air extract air fan Digital J6 Pin 4 6 J6 12 V power supply Analogue 12 V DC J6 Pin 5 J6 Extract air fan Analogue 0 10 V J6 Pin 7 9 J6 Start stop extract air fan Digital J6 Pin 8 G0 J6 Supply air pressure guard Digital J6 Pin 10 G0 not CS 50 J6 Extract air pressure guard Digital J6 Pin 12 G0 not CS 50 J6 Pulse with modulation ON OFF Analogue J6 Pin 13 not CS 50 J6 Cooling Analogue 0 10 V J6 Pin 15 16 not CS 50 ZH Microswitch ON OFF 1 Rotating exchanger Cross heat exchanger 2 Unit fitted with a water battery Unit fitted with an electric battery 3 The unit has an exchanger witha The unit has preheating only if the unit has a plate bypass exchanger 4 Not in use Not in use 12 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Legend 3 Operation 3 1 C1500 Operating Elements Operating element Home key Save key Enter Down or decrease value Alarm key with integrated LED Forcing Stop Up or increase value Return key ESC OG 000000 Function Places the cursor on the home page again Confirms a change to a value setting Selects a menu parameter line Moves the cursor and adjusts a value Display and confirmation of alarms Forced ventilatio
57. on Setting 4 94 Printed Circuit Board Version This shows the hardware and software on the board Test Information Main board Parameter name Version Hardware rev Software 4 95 Printed Circuit Board Version This shows the hardware and software on the board Test Information CSxx Parameter name Version Hardware rev Software 4 96 Factory Settings These are basic settings that must not be changed Test Information Factory 4 97 Operating Hours Counter The Time counter parameter shows the total number of operating hours for the fan after the controller was put into operation Test Information Time counter Parameter name Display range Unit Time counter 0 0 entire upper display range t 4 98 Active Alarms This displays active alarms and alarms The time at which the alarm was registered is also displayed Test Alarms active alarms Parameter name Display range Unit Active alarms 0 0 entire upper display range 57 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Setting Description Setting Description Setting 4 99 Alarm History This displays the last 5 alarms The time the alarm was registered is displayed Test Alarm Alarm history Parameter name Display range Unit Alarm history 0 0 entire upper display range 4 100 Resetting Alarms This deletes active alarms Test Alarm Reset
58. or CO the differential works as follows 100 means the second fan operates at the same speed as the main fan 50 means the second fan operates at half speed and 200 means the second fan operates at double speed The default value is 100 same speed Fan control Control Sensor diff sensor aiff Parameter name Setting range Default value Sensor diff 0 0 200 100 53 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Setting Description Setting Description Setting Description Setting 4 80 Selection of Sensor Type for Supply Air not CS 50 transformer control Here you set the type of sensor to be used You can use a pressure sensor Pa or air quality meter ppm Fan control Configuration Supply air sensor type Parameter name Setting range Unit Default value Type Pa ppm Pa 4 81 Min Working Range for Supply Air Sensor not CS 50 transformer control The minimum working range desired The sensor will not fall below this value Fan control Configuration Supply air sensor min level Parameter name Setting range Unit Default value Min level 0 9999 0 4 82 Max Working Range for Supply Air Sensor not CS 50 transformer control The maximum working range desired The sensor will not exceed this value Fan control Configuration Supply air sensor max level Parameter name Setting range Unit Default value Max level
59. or summer temperatures Temperature Control Comp Start summer Parameter name Setting range Unit Default value Start summer 10 40 0 C 25 4 26 Compensate for Low Outdoor Air Temperature not CS 50 This defines the desired temperature increase in relation to the setpoint value temperature with a low outdoor air temperature Temperature Control Comp Winter diff Parameter name Setting range Unit Default value Winter diff 10 10 0 C 1 0 4 27 Stop Winter Compensation not cs 50 This stops compensation for winter temperatures at this outdoor air temperature 39 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Setting Temperature Control Comp Stop winter Parameter name Setting range Unit Default value Stop winter 30 0 20 0 C 30 4 28 Start Winter Compensation not cs 50 Description This starts compensation for winter temperatures Setting Temperature Control Comp Start winter Parameter name Setting range Unit Default value Start winter 30 0 20 0 SG 20 4 29 DIF Control Selection not cs 50 Description If you want DIF control this is activated here Setting Temperature Control Temp diff Parameter name Setting range Unit Default value Temp diff ON OFF OFF 4 30 Desired Temperature Differential not cs 50 Description The desired temperature differential between the supply air and the extract air is set here Setting Temperature Control Temp dif
60. ou can set different setpoint values for the temperature in the different changeover periods These will override the setpoint value under Temperature Setting If you want to set the temperature manually the setting Temperature ON OFF must be in the OFF position Under Menu I Speed adjustment I you can adjust the fans to the preferred air quantity You can also select Manual here Under Menu Fans Fan control Manual you can set the fan speeds The unit will operate on this setting in the period in question You can also select Manual here You can do this under Menu Temperature Setting and set the preferred temperature The unit will operate on this setting in the period in question The example below shows a standard operating situation in which the unit is on speed 2 and the set point values are locked to 20 C between 07 00 and 18 00 and speed 0 between 18 00 and 07 00 on every day of the week Daily Daily Comments Timer 1 Timer 2 Time on 07 00 18 00 Indicates when the time channel is to start to apply Speed 2 0 Indicates the speed selected 0 1 2 or 3 Temperatu 20 20 Indicates the temperature set point value re Temperatu ON ON Indicates whether the temperature is to be re controlled from the timer Active YES YES Indicates whether the time channel is active 4 13 Weekly Timer A Weekly Timer is used to override the times in the Daily Timer for example stopping at weeken
61. ply air to avoid cold draughts You are recommended to set this value low to avoid the cooling battery being switched on off too frequently increases the operating time of the cooling battery 4 39 Outdoor Air Temperature for Start of Cooling not CS 50 The outdoor air temperature that allows cooling on DX stage 1 or 0 10 V control ice water to start Temperature Cooling Min outdoor air temp Parameter name Setting range Unit Default value Min outdoor air 0 0 35 C 18 temp 4 40 Time between Each Start not cs 50 For DX machines 3 minutes should pass between each start This delay time can be changed here Temperature Cooling Delay Parameter name Setting range Unit Default value Delay 0 300 S 180 43 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Settings Description Settings 4 41 Minimum Speed for Cooling not cs 50 If the fans fall below this value Min speed cooling will not be possible This is to prevent the DX machines from freezing up With transformer control of the fans cooling will not be possible in speed 1 Temperature Cooling Min speed Parameter name Setting range Unit Default value Min speed 0 100 45 4 42 Selection of Linear Control for DX Machine not CS 50 You can select 3 different controls 1 0 10 V operation ice water 2 DX cooling battery binary cooling battery divided into two different
62. point value of the temperature from an external 0 10 V signal 10 kOhm Temperature External control External temp control Parameter name Setting range Default value External temp ON OFF OFF control 4 38 Cooling not cs 50 Select from 3 different controls 0 10 V operation ice water DX cooling battery binary cooling battery divided into two different groups DX cooling battery linear cooling battery divided into two identical groups 0 10 V operation ice water Controlled from a 0 10 V signal with 10 V as the maximum cooling requirement DX cooling battery binary cooling battery divided into two different groups The cooling battery is divided into two groups 1 2 The intention is to supply a cooling machine that covers 1 3 of the desired cooling effect and a cooling machine that covers 2 3 of the desired cooling effect The machines are controlled by both the outdoor air temperature and the extract air room temperature Example e DX 1 starts when the outdoor air temperature is over the Min outdoor air temperature and the extract air is over the setpoint value desired extract air temperature neutral zone e DX 2 starts and DX 1 stops when the cooling output reaches 40 controllable Stage 2 e DX 1 starts again DX 1 and DX 2 operate when the cooling output reaches 70 controllable Stage 3 42 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Sett
63. r Fan control Control DCV extract air on 1evel Parameter name Setting range Unit Default value ON level 0 100 Pa CO 0 4 70 Supply Air Constant Pressure Control not CS 50 transformer control NB The timer must be on speed 1 Remember to select the sensor type This is done under Fan control I Control I Supply air sensor You can activate the constant pressure control CPR function for the supply air fan here Only applies for fans with stepless regulation This works on all timer settings apart from OFF Fan control Control CPR supply air cer supply air Parameter name Setting range Unit Default value CPR supply air ON OFF OFF 4 71 Desired Working Point not CS 50 transformer control Here you set the desired working point for the sensor setpoint value for supply air Fan control Control CPR supply air Desired value Parameter name Setting range Unit Default value Desired value 0 1000 Pa 0 51 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Description Settings Description Settings 4 72 Min Supply Air not CS 50 transformer control Here you can set the lowest air flow rate you want to have in the supply air This is set as a of the working range of the fan Fan control Control CPR supply air min value Parameter name Setting range Unit Default value Min value 0 100 20 4 73 Max Supply Air no
64. r motor J1 Operating voltage for extract air motor J2 only transformator control J2 L phase output J2 N phase output J2 Supply air fan speed 1 Relay output J2 Supply air fan speed 2 Relay output J2 Supply air fan speed 3 Relay output J2 Extract air fan speed 1 Relay output J2 Extract air fan speed 2 Relay output J2 Extract air fan speed 3 Relay output J3 not CS 50 J3 Alarm output priority A J3 Alarm output priority B J3 Operation OK J3 Not in use J3 DX cooling stage 1 J3 DX cooling stage 2 J4 not CS 50 J4 External control speed 1 J4 External control speed 2 J4 Alarm external fire smoke J4 Heating OFF ON External signal J4 Temperature setting External signal J4 Supply air temperature reading J4 Extract air temperature reading J4 Outdoor air temperature reading J4 Extract air room temperature J4 Outdoor air temperature J4 External pressure sensor supply air J4 External pressure sensor extract air J5 J5 Supply air temperature sensor J5 Frost ice sensor water battery J5 Thermostat manual reset electric battery J5 12 V 30 mA supply J5 Heating full range water battery J5 Rotor or bypass motor J5 Rotor rotor alarm Digital 85 230 V AC Digital 85 230 V AC 230 V ACSA 230 V ACSA 230 V ACSA 230 VACS5SA 230 V ACSA 230V ACSA 230 VACS5SA 230 V ACSA Digital Digital Digital Digital 230 V 1 A Digital 230 V 1 A Digital Digital Digital Digital Analogue Analogue Analogue A
65. ract air the priority A Difference The differences between the two alarm types are as follows Priority A Priority B e The system stops e Must be confirmed manually before As soon as the fault has been the system is switched on again remedied the deactivated system element begins operation again The fault is no longer indicated under the alarm menu even if the LCD continues to flash The alarm must now be confirmed manually e Displayed under A Alarm e Displayed under B Alarm ALA Alarm A Pin 1 Pot fri rele 1A Gai ect oe 230V stengt alarm ALB Alarm B Pin 2 Pot fri rel 1A 230V stengt alarm ALA ALI i po i OK OK Pin 3 Pot fri rel 1A 230V open alarm ALA ALI FA REA Felles Pin 4 62 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Description Description Description Description Description Description 5 18 J3 Pin 5 Not in Use not cs 50 Vacant function 5 19 J3 Pin 6 8 DX Stage 1 not cs 50 Relay output 230 V 1 A Control of cooling machine stage 1 5 20 J3 Pin 7 8 DX Stage 2 not cs 50 Relay output 230 V 1 A Control of cooling machine stage 2 CO1 DX 1 Pin 6 Pot fri rel 1A 230V CO2 DX 2 Pin 7 Pot fri rel 1A 230V REC Felles Pin 8 5 21 J4 Pin 1 GO External Control Speed 1 not CS 50 Connection of an external switch for speed 1 potential free con
66. rnrrrnnrrnnrrnrrnnnrrnnnnnnrnn 62 5 17 3 Pin 2 4 Alarm Output Priority B not CS 50 rrrnrrrnnrrrnrrnrrnnrrnnnnnnrnn 62 5 18 3 Pin 5 Not in Use not CS 50 rrrnrrrnrrnnrrnnrrnrrrrnrrnrrnnrrnrrnnrrrnnnnrrrnnnnnnrnn 63 5 19 3 Pin 6 8 DX Stage 1 not CS 50 mrrnnrrnnrrnrvrrrrrnrrrnrrnrrnnrrnnrnnrrrnnnnnnrn 63 5 20 3 Pin 7 8 DX Stage 2 not CS 50 rmrrnnrrnnrrnrrrnnrrnrrnrrrnnrrnrrrnnnnnrrrnnnnnernn 63 5 21 4 Pin 1 GO External Control Speed 1 not CS 50 mmrrrrrnnrrrnrnrrrrnnnnn 63 5 22 4 Pin 2 GO External Control Speed 2 not CS 50 mmrnrrrrnrrnnrnnnrnnnnnn 63 5 23 4 Pin 3 GO External Fire Smoke Alarm not CS 50 rrrrnnrrnrrnrrrnnnnnn 63 5 24 4 Pin 4 GO Heating OFF ON with an External Signal not CS 50 63 5 25 4 Pin 5 6 Temperature Setting not CS 50 rrrrnrnnnrnnnrnrrnnrrnnrnnnrnnnnnn 64 5 26 4 Pin 7 GO Temperature Readout Supply Air not CS 50 mrrrnnnnnr0 64 5 27 4 Pin 8 GO Temperature Readout Extract Air not CS 50 mnrrrnnnnn0 64 5 28 4 Pin 9 GO Temperature Readout Outdoor Air not CS 50 0 64 5 29 4 Pin 10 11 Extract Air Temperature Sensor not CS 50 rrrrrrrrnnnnr 64 5 30 4 Pin 12 13 Outdoor Air Temperature Sensor not CS 50 rrrrnnrnr0 64 5 31 4 Pin 14 GO External Pressure Sensor Supply Air not CS 50 64 5 32 4 Pin 16 GO External Pressure Sensor Extract
67. rvice code 0000 0 9 Configuration PIN code service code Set new service code 0000 0 9 23 67 FLEXIT AS 94269 Not CS 50 z N amp 3 amp ry amp Configuration Timer Daily timer 1 Parameter name Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Active YES NO YES Configuration Timer Daily timer 2 Parameter name Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Active YES NO NO Configuration Timer Daily timer 3 Parameter name Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Active YES NO NO Configuration Timer Daily timer 4 Parameter name Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Active YES NO NO Configuration Timer Weekly timer 1 Parameter name Day ON Monday Sunday Saturday Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Time OFF 00 00 24 00 20 00 Day OFF Monday Sunday Sunday Day ON Monday Sunday Saturday Active YES NO NO Configuration Timer Weekly timer 2 Parameter name Day ON Monday Sunday Saturday Time ON 00 00 24 00 06 00 Speed 0 1 2 3 1 Temperature 10 40 0 C 20 Temperature ON OFF OFF Time OFF 00 00 24 00 20 00 Day OFF Monday Sunday Sunday Active YES NO NO 24 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Configuration Tim
68. rvice engineer parameters and HVAC engineer parameters refer to the settings defined via the parameter na mes with the exception of the time channels The basic settings and the time channels do not have these names 14 67 FLEXIT AS 94269 CS 50 CS 500 User Manual NB Password levels NB 3 2 2 Menus You access the parameter names or setting lines via main menus home page and submenus The order in which the menus for the individual parameter names or setting lines are selected is also explained in the overview and description This appears as follows in the parameter overview QD 5 IF So 3 JJ S 5 5 eis EER Ry AS fe A Ke OW Fan control Speed setting Supply air Parameter name Setting the speed Speed I 0 0 100 Depending on the application not all parameters are used Therefore they are not displayed on the handheld terminal either The parameters listed and described in this documentation are always displayed in the same order The menus are always displayed 3 2 3 Password The password function ensures that the data is protected Each password consists of 4 figures and is given within 3 levels Info password 1 for the information level password not necessary Service level S for service engineers Factory level password F for the HVAC engineer The following numeric codes are used Password Info Service level S Eactory level cod
69. sformer Control 26 22 24 ee ee ibe feed idee r ee ee ee 54 4 85 Max Working Range for Extract Air Sensor not CS 50 transformer Control 22 c0ccc0cekedeceecee deca e ie ae ai aiaia 55 4 86 Motor Protection Delay anena anieri iaa aa a SEAS 55 4 87 Sela o Aa E A E E eee 55 4 88 Start Delay for Extract Air Fan Speed 1 ccecccceceeeeeeeeeeeeeeeeeeseeeeeeenees 55 4 89 Start Delay for Extract Air Fan Normal Operation srrrnrrnnrnnnrnnnrnnrrnnnnnr 56 4 90 Start Delay for Supply Air Fan Speed 1 2 2 0 2 ceceeeeeeceeeenceeeeeeeeeeeeseeeeeeesaees 56 4 91 Start Delay Supply Air Fan Normal Operation rrrnnrnnrrnnrrnnrrnnrrnnrrnnnnnnrnn 56 4 92 LOE 1 E A ar eee ee ee eee 56 4 93 COMPONENTS keene heath ek Sees ee leet ee See 56 4 94 Printed Circuit Board Version cccceccceeeeeceeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeneeeess 57 4 95 Printed Circuit Board Version ccccccccceeeeeceeeeeeceeeeeeeeeeeseaeeeeseneeeeeesneeees 57 4 96 Factory Setting Sk sr e Seen att See att See hea 57 4 97 Operating Hours Counter ccccccccceeeeceeeeeeeeeeeeeeeeeeeeeeeaeeeeseneeeeeseneeeeseeaees 57 4 98 Active Alarms mmerrnooennnerrnonnnnennnnevnnnnnnnnnnnnnnnrnennnennnnnennnennnneennneernnennnneennnee 57 4 99 Alarm Historyaaa42a22 rd de 58 4 100 Resetting Alarms enpinite ai iaia ari ii 58 4 101 Manual KOMET 0 CEE 58 4 102 Sensor Temperature Display rrrrnnnnrnnrnnnrnnrrnnnrnnnnnnrnnnn
70. ssene a a a a arrene ere eens 15 3 2 4 Overview of the Menu Structure srrrnrnnrnnrnnnrnnrrnnnnnnnrnnnnnnrrnnnnnnrnnnnnenrnnnnnn 16 3 2 5 Alani bste sugd tie en thee oa taster rareste er Saks 22 3 2 6 Overview of End User Parameters ccccccccceeeeceeeeeeeeeeeeeeeeeeeeseneeeeeseaees 23 4 Description of the Functions cceceeceeeeeeeceeeeeeeeeeeeeeeeeeeeaeeeeesseeeeeeeneeeees 30 4 1 Menu Language Selection rrrnnnnnnrnnnrnnnnnnnnnnnrnnnnnnrnnnnnnnrnnnnnnrrnnnnnnrnnnnnennnn 30 4 2 Activation of Filter Replacement Time Counter rrrnrrnnnrnnrrnnrnnrnnnnrrnnnnnrrnnnn 30 4 3 Period of Time for Filter Replacement c cccceeeeeeeeeeeneeeeeeeeeeeetsneeees 30 44 Resetting the Time Counter cccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeseaeeeeeeeeeesenneeeess 30 4 5 Activation of Supply Air Pressure Guard mmrrnnvrrrrnnrrnnrrnnrnnnrnnnnnerrnnnnnnrrnnnn 31 4 6 Activation of Extract Air Pressure Guard msrrnnrnnnrnnrrnnrrnnrnnnrnnrnnnrrnnnnnnrrnnnn 31 4 7 External Fire Smoke Function Mode 1 rrrrrnrnnnrrvvvnnnrnnnnvrrvnnnnnenervvnnnnsssvnenene 31 4 8 External Fire Smoke Function Mode 2 rrrrrrrvnrrrvvnnnnnnnnnrvvrvvnnnennvvvnnnnsrevenenne 31 4 9 External Fire Smoke Function Mode 3 rrrrrrrnnnrrrvnnnnnnnnnnvvrsnnnnererrvvnnnnrevenenne 32 4 10 Dates TiMe2 ces nse ere 32 4 11 Change Service Code cccccccccceeeeceeeeeeeeeeeeeeceeeeeeaeeeeeceaeeeeseneeeeeesneeeee
71. stop Active YES Indicates whether the time channel is active 34 67 FLEXIT AS 94269 CS 50 CS 500 User Manual 4 14 Resetting to Factory Settings Description If you want to return to the factory settings this can be done here Setting Configuration Changes Reset to factory setting Parameter name Setting range Unit Default value Reset to factory setting ON OFF OFF 4 15 Configuration of Temperature Control Description This is where you adapt the controller for different types of control This is done by selecting the main sensors room sensor extract air sensor or supply air sensor Selecting the room sensor or extract air sensor automatically leads to cascade control Selecting the supply air sensor leads to constant supply air control Therefore it is possible to select four different control functions The following temperature control options can be selected 1 Constant supply air temperature 2 Room extract air control not CS 50 3 Dif temperature control not CS 50 4 Supply air control compensated for outdoor air You cannot combine these two regulation functions In order to be able to choose another regulation you must turn off the active one This does not apply for constant supply air regulation which is a standard 4 15 1Control Function 1 Constant Supply Air Temperature Description The supply air temperature is controlled using the following three functions Heat recovery Hrec Heating ele
72. t CS 50 transformer control Here you set the highest air flow rate you want to have in the supply air This is set as a of the working range of the fan Fan control Control CPR supply air max value Parameter name Setting range Unit Default value Max value 0 100 80 4 74 Extract Air Constant Pressure Control not CS 50 transformer control NB The timer must be on speed 1 Remember to select the sensor type This is done under Fan control I Control I Extract air sensor You activate the constant pressure control CPR function for the extract air fan here Only applies for fans with stepless regulation You set the desired min and max values and the value you want to control by This works on all timer settings apart from OFF Fan control Control CPR extract air cpr extract air Parameter name Setting range Unit Default value CPR extract air OFF ON OFF 4 75 Desired Working Point not CS 50 transformer control Here you set the desired working point for the sensor setpoint value for extract air Fan control Control CPR extract air Desired value Parameter name Setting range Unit Default value Desired value 0 1000 Pa 0 52 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Description Setting Description Setting 4 76 Min Extract Air not CS 50 transformer control Setting for the lowest air flow rate you want to
73. tact 5 22 J4 Pin 2 GO External Control Speed 2 not CS 50 Connection of an external switch for speed 2 potential free contact 5 23 J4 Pin 3 GO External Fire Smoke Alarm not CS 50 Connection of an external fire or smoke guard Using the handheld terminal you can select from the following functions Mode 1 The unit stops Mode 2 The unit switches to speed 3 Mode 3 The supply air fan stops and the extract air fan will operate at speed 3 5 24 J4 Pin 4 GO Heating OFF ON with an External Signal not cs 50 Input for switching off heating potential free contact If the contact is closed the heating battery will not be able to operate risk of frost in the water battery will override this function 63 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Description Description Description Description Description Description Description Description 5 25 J4 Pin 5 6 Temperature Setting not cs 50 Input for adjusting the temperature setpoint value 0 10 V requirement for resistance of 10 kOhm Can adjust the temperature between 10 and 30 C 5 26 J4 Pin 7 GO Temperature Readout Supply Air not CS 50 Output for reading the supply air temperature 0 10 V The temperature range is 50 C to 50 C 5 27 J4 Pin 8 GO Temperature Readout Extract Air not CS 50 Output for reading the extract air temperature 0 10 V The temperature range
74. this function you can get an alarm that indicates that a filter needs to be replaced after a specified period of time This is used only if you do not have pressure guards in the unit Configuration Filter Time counter activated Parameter name Setting range Unit Default value Time counter activated ON OFF OFF 4 3 Period of Time for Filter Replacement The set value will be the time between each filter alarm B alarm Does not apply if a pressure guard is fitted Configuration Filter Period of time Parameter name Setting range Unit Default value Period of time 0 12 Month 6 4 4 Resetting the Time Counter You have to reset the time after replacing a filter by using the clock for the filter alarm Does not apply if a pressure guard is fitted Configuration Filter Reset time counter Parameter name Setting range Unit Default value Reset time counter YES NO YES 30 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Setting Description Setting Description Setting Description Setting 4 5 Activation of Supply Air Pressure Guard The supply air pressure guard is used when the unit has a pressure guard fitted Configuration Filter Supply air pressure guard not CS 50 Parameter name Setting range Unit Default value Supply air pressure ON OFF ON guard 4 6 Activation of Extract Air Pressure Guard The extract air pressure guard is used when the unit has a pressure guard fitted
75. up Ext not cs 50 Outdoor air temperature setting for automatic switching between extract air room control and supply air control Temperature Control AutoExt Sup Outdoor air temperature Parameter name Setting range Unit Default value Outdoor air 5 25 0 c 15 temperature 4 35 Delta Temp for Resetting not cs 50 Delta temperature setting for the function to be reset If the outdoor air temperature rises to 15 C the unit will switch to extract air control In order for the unit to switch back to supply air control the outdoor air temperature must fall to 13 C or lower Temperature Control AutoExt Sup Deviation Parameter name Setting range Unit Default value Deviation 13 C 2 41 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Settings Description 4 36 Step Control not cs 50 Selection of the number of heating stages with an electric battery 1 or 2 1 stage 1 group controlled by just pulse width modulation ON OFF 2 stages The electric battery is divided into two groups 1 1 The first group is always controlled by pulse width modulation with signals of 0 or 10 V ON OFF between the stages The second group has binary OFF ON control Temperature Control Step control Parameter name Setting range Default value Step control ON OFF OFF 4 37 External Temperature Control not cs 50 This function must be activated if you want to control the set
76. ure not CS 50 mrrrrrrrrrrnnnnnr 39 4 24 Stop Summer Compensation not CS 50 rrrrrrnrrrnnrrnrvrrnrrnrvnnnrrnrrnnrrnnnnn 39 4 25 Start Summer Compensation not CS 50 mmrrnrrrnnrrnrnrrrrnrrnrrnrrrrnrnnerrrnnnnn 39 4 26 Compensate for Low Outdoor Air Temperature not CS 50 rrrrrnnrnnnnr 39 4 27 Stop Winter Compensation not CS 50 rrrnrrrrnrnrrrnnrrnrrrnnrrnnrnnrrnnnnnerrnnnnnn 39 4 28 Start Winter Compensation not CS 50 rrnrrrrnrnnrrnnnrnrrnnnrrnnrnnrrrnnnnerrnnnnnn 40 4 29 DIF Control Selection not CS 50 rrnrrnrnnrrnnrrnrvrnnrnnrrnnrrnnrnnnrrnnnnnnrrnnnnnnrnn 40 4 30 Desired Temperature Differential not CS 50 cceeeeeeeeeeeseeeeeeeeeeeees 40 4 31 Min Supply Air Temperature not CS 50 ccceeeeceeeeeeeeeeeeeeeeeeeeeeeeeeees 40 4 32 Max Supply Air Temperature not CS 50 rrrnrrrrnrrnrrrnnrrnrrnnrrrnrnnnrrnnnnnn 411 4 33 Automatic Switching between Extract Air and Supply Air Control NOUCS 50 av te ne 41 4 34 TempSwitchSup Ext not CS 50 mmrrrrrrrrrrrrrrnnnrrrrrrnrrnrrrnnrrnnrnnnrrnnnnenrnnnnnn 41 4 35 Delta Temp for Resetting not CS 50 rrrnrrnnrrnrrrnnrrnrrnnrrnnrrnnrrnnnnnnrrnnnnnnrnn 41 4 36 Step Control not CS 50 rrnrrnnnrnnrrnnrrnrrnnrrnnnnrrnnnnnnrrnnnnnnrrnnnnerrnnnnnenrnnnnnn 42 4 37 External Temperature Control not CS 50 rnrrrrrrrrrrrrnnrrrnrrnnrrrrrnnnrrnnnnnnrnn 42 4 38 Cooling MOLE S 50 une FRE
77. ventilation Fan control Forced ventilation Default speed Parameter name Setting range Unit Default value Default speed 0 1 2 3 3 48 67 FLEXIT AS 94269 CS 50 CS 500 User Manual Description Settings Description Description Settings Description Settings 4 60 Time for Forcing Setting for the time you want to have forced ventilation Fan control Forced ventilation Default time Parameter name Setting range Unit Default value Default time 0 360 30 4 61 DCV Control not CS 50 transformer control NB The timer must be on speed 1 With requirement controlled ventilation the fans can be controlled by the air quality which is measured with a CO sensor The fans will normally operate at min fan speed adjustable If the CO sensor registers a higher value than desired the fans will gradually increase RPM Immediately the desired level has been reached or the value has fallen below it the fans will gradually reduce RPM to min fan speed If the desired CO level is not reached the fans go right up to max fan speed and remain at that speed until the CO level has fallen below the desired level 4 62 Supply Air DCV Control not cs 50 transformer control NB The timer must be on speed 1 Remember to select the sensor type This is done under Fan control Control Supply air sensor You can activate the variable air flow rate VAV function for the supply air fan here This works on

not CS 50

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