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Compact control gear for Supply and Supply

1. VTS reserves the right to implement changes without prior notice 33 HX4 dNS VWI LdO 99 0SL 0v SA A z E TAT a 2 Eh ee i KE 3 Se E i T i i Y i E I 1 I I S 0 0 0 b 1 Sne I mg x l l i A i 3d N 1z S OVAVZ IND EEN cs E 3 rx z 9 EDO od ogog nn il i pror dg E ge T 1 jad 1 1 Jadi 1 1 1 H e ad roy R u cu L PT d Me ee a E O 1 1 Q 1 1 wf e E TE SS d spe koi f TET 1 Lor gd m i m E NE m A8 ji aif 1 t j 1 1 H l 1 1 1 YI e 94 vi C 9L PU Z A e ka l EN Wzaz EN waz AGA edebe essa D 9 kel T zT VT BL 6 8 2 S y E L E amp m e e H 103 En Z 3 3 Mie R LL 4 E QR O STdWIS NOI SA la O a S ls S 1seid 13 S S O w A O gt A Ger m ZIL ZIL sa m E N n i xn OL 6 8 1 D Advanced manual VeriTus dNsS VINILO 99 0S1 07 SA e ds o
2. Rotary regen gt Recovery rate 0 Frequency 0 0Hz Motor RPM 0 rpm Fault code 0x00 PARAMETERS gt MIXING RATE gt Readout of the control signal for the mixing dampers range 0 100 corresponding to 0 10V hardware output Mixing rate 100 5 SETTINGS gt Settings is the part of the menu where setpoints limits Pl parameters and other configurable values are accessed SETTINGS gt DEF WORK MODE gt Defines the default working mode for the calendar if none of the settings matches current date and time This could happen if the Calendar operation will be selected as the operation mode while the whole calendar was left blank Stop factory setting Stage Stage Il Standby Note In such case the temperature setpoint is taken from the general setpoint from the main menu Def work mode Standby SETTINGS gt STANDBY MODE gt Defines the conditions for the standby functionality to be activated Active for enables the standby function for different types of heat exchangers None standby function disabled Standby mode gt Active for Heating Cooling VTS reserves the right to implement changes without prior notice 14 User s Manual innovative air handling units Heating standby enabled only for heating unit starts when Standby hyster the room gets too cold 4 C Cooling
3. Unit state Service mode Operation mode Stop Temp setting 22 0 C Temp readout 25 3 C PARAMETERS gt CALENDAR gt SETTINGS gt SERVICE MENU gt EN PL RU gt Change password v 2 1 20 04 12 VS OPTIMA VTS reserves the right to implement changes without prior notice 6 User s Manual innovative air handling units EN PL RU jump to language selection Change password allows entering specific password to protect the controller from unintended access v 2 1 20 04 12 application identifier VS OPTIMA controller type identifier Note All the menus are dynamically changed as they depend on the application settings and the password level If the system did not start check the F1 protection status d Correct device operation depends on the application settings Choosing and setting up the application should be done by qualified service provider according to recommendations of Advanced Manual HMI OPTIMA SETTINGS amp CONNECTING TO THE CONTROLLER Holding the OK button the internal menu of the HMI can be Choose device entered Choose device can be used for operation of single HMI Commonication PN OPTIMA with multiple controllers Se Only one device used for 1 1 connection with single controller at fixed address 1 recommended mode Communication timeout Scan devices searching through the bus to detect all 0 5s
4. Annual Monthly Weekly Daily Clear all VTS reserves the right to implement changes without prior notice 8 User s Manual innovative air handling units CALENDAR gt ANNUAL gt Inside the Annual menu there are visible all previously stored New program gt programs and also the link to New program editor Entering new program allows for setting 01 01 00 00 00 Date and Time from 02 01 07 00 00 Date and Time to 24 12 17 00 00 Operation mode 27 12 07 00 00 Temperature setpoint New program editor ends with SAVE option Each program must be saved before leaving the editor Entering existing program allows for changing the settings which must be confirmed with SAVE option There s also DELETE function to erase selected program CALENDAR gt MONTHLY gt Entering new program allows for setting Mewprograim gt Day and Time from Day and Time to 01 18 00 00 01 23 00 00 Operation mode Temperature setpoint CALENDAR gt WEEKLY gt Entering new program allows for setting New program gt Week day and Time from Week day and Time to Fr 18 00 00 Mo 07 00 00 Operation mode Temperature setpoint CALENDAR gt DAILY gt New program gt Entering new program allows for setting 07 00 00 Time from 15 00 00 Time to 15 00 00 Operation
5. High limit 3600s Default 60s Min break time setting for min resting time for units with DX cooler Low limit Os High limit 3600s Default 60s Min work temp setting for the external temperature which disables the operation of the cooling s Low limit 0 C e High limit 20 C s Default 12 C DX Cooler gt Min work time 60s Min break time 60s Min work temp 8 C SETTINGS gt RECOVERY gt Regulation split defines how much of the 0 100 signal from the main temperature regulator will be executed by the heat recovery system Low limit 0 High limit 100 Default 30 Frost protection setting for the lower limit of the exhaust air temperature after the recovery unit Low limit 10 C High limit 15 C Default 5 C Recovery gt Regulation split 30 00 Frost protection 5 C K Frost prot 5 VTS reserves the right to implement changes without prior notice 20 User s Manual innovative air handling units T Frost prot 10s K Frost prot T Frost prot settings for frost protection PI regulator K gain for the regulator T integral factor for the regulator Default K 5 T 10s SETTINGS gt MIXING CHAMBER gt Mix chamber gt Regulation split defines how much of the 0 100 signal from c e Ze Regulation split the main temperature regulator w
6. i Y i Y i 1 I Xll soe 90 00 90 0 o o i ne l I 1 1 X LI PITTI ho i 4 i dd NAAN RA QNO NM MM i og dud 1 1 i i l 1 i A E NE 10d o doo dg 1 1 i 10r o d 1 1 1 1 1 D I l 1 I 1 1 i I 1 i 1 oro 1 di 1 1 I 1 3d 94 9 Ltr 1 boa 1 1 IN d NI E 1 N II m EE 1 1 eh tot I 1 l 1 l l SE d L PE Ch itt 1 l H I H I Nucl A 94 vi A E A EN WAS Neige LD Ea 28 m Kolda sle SEE EEE SW E s ep 5 i Ave a e 3 3 3 P LL E O atduts N03 SN O 8 S 5 jsetd 13 O D U ET em SC ZL zi han m vg LN ot T OL 6 8 L 9 v e L VTS reserves the right to implement changes without prior notice Advanced manual 34
7. initial heating of the water heater to prevent from frost alarm during start up Service mode unit ready to change basic settings like application code Note That is initial factory setting of the controller See Advanced Manual for details Fast heating special mode for recirculation to ensure quick heating up with max possible recirculation Overrun special mode for stopping the unit if equipped with electrical heater or DX cooler delays stopping the fan until safe conditions for the heat exchanger are established Operation mode used to set the main operating mode from the HMI OPTIMA x Stop unit stopped Stage unit running fans set to 1 speed Stage Il unit running fans set to 2 d speed Standby unit stopped to save energy but ready for automatic start up to keep the main temperature within specified safe range Calendar unit working automatically according to the real time clock settings Temp setting setpoint for temperature regulator Low limit 5 C High limit 35 C Default 22 C Temp readout current value of the temperature measured by the main sensor PARAMETERS jump to read out main working conditions CALENDAR jump to settings for time scheduled operation SETTINGS jump to detailed controller configuration SERVICE MENU jump to fundamental settings of the control system like application code used in Service mode of the controller
8. EN English PL Polish RU Russian English is set as a default language Note The alarm descriptions are always given in English ENTERING THE PASSWORD Some menus are protected with a password to avoid unintentional change that could be dangerous for the unit or for the user To access that parts of the menu you will be asked to enter the password Enter password 0 Default password 1111 To enter the numbers use arrow keys and confirm each time with OK button 3 CALENDAR gt Calendar is an automatic functionality to provide scheduled operation of the air handling unit according to the Real Time Clock CALENDAR Set date shows current date and allows for entering new value Set time shows current time and allows for entering new value Note At first power up the RTC could be blocked It s easy to find by not running seconds on the display However after any change of the time set RTC retains normal operation Set date Th 24 02 11 Set time 10 05 42 Annual 1 the highest priority schedule for setting special dates like holidays Monthly 2 priority schedule for setting special dates according to monthly routines like factory maintenance each 1st day of the month Weekly 3 priority schedule for weekly routines like weekends Daily 4 priority schedule for daily routines like working hours Clear all erase all settings for calendar
9. standby enabled only for cooling unit starts when the room gets too warm Heating Cooling standby enabled for both situations Note Standby mode settings must be related to the heat exchangers actually available in the unit Standby hyster defines how much the actual temperature should differ from the temperature setpoint to activate the standby heating up or cooling down Note The acceptable range of room temperatures in standby mode equals the temperature setpoint hysteresis SETTINGS gt SEASON gt Exclusive setting for the units with universal coil Defines in Season which season the unit works and therefore determines the Winter behavior of the temperature regulators Winter the universal coil acts as a heater factory setting Summer the universal coil acts as a cooler SETTINGS gt PERFORMANCE gt Settings related to the capacity of fans and heat exchangers SERIES Stage HE limit defines the max control signal for the heater when the fans are working on Stage Stage HE limit Low limit 10 100 Default 100 100 Stage Clg limit defines the max control signal for the cooler Sup Fan Stage when the fans are working on Stage 50 Low limit 10 High limit 100 Lo un Default 100 100 Sup Fan Stage Exh Fan Stage setting for the fan capacity on Stage operation mode Low limit 20 High limit 100 Default
10. 0 C Ti s Default 9 C 60s Kp gain for the regulator Mi i Ti integral factor for the regulator Mewa M dd s Default Kp 1 Ti 60s 20 Min valve open lower limit for the valve position In working PUMP PROTECT gt unit the valve control signal will be at least at that level Low limit 0 Default 20 BENE Pump protection Set protection setting to enable disable Stoppage period the protection against sticky sealing issue The sticky sealing 7d could happen in case of long term inactivity of the pump when contaminations and deposits from the water could damage the Run time mechanical sealing 30s Not active Active default setting VTS reserves the right to implement changes without prior notice User s Manual 19 LCT J LS Pump protection Stoppage period setting of the resting time for the pump Low limit 1day High limit 30days e Default 7days Pump protection Run time setting of the operation time for the pump Low limit 1s High limit 3600s e Default 30s SETTINGS gt CLG PUMP PROT gt Cooling pump protection optional functionality for the cooling medium pump to protect the pump from sticky sealing issue See previous chapter for details SETTINGS gt HEATER gt SETTINGS gt DX COOLER gt Mim work time setting for min time of operation for units with DX cooler Low limit Os
11. addresses occupied by several controllers Communication period gap between updating information with the controller Low limit 0 0s High limit 10 0s Default 0 5s recommended Communication timeout limit for the response from the controller Check if using converters repeaters on the communication line Low limit 0 0s High limit 5 0s Default 0 5s recommended Contrast Minimal brightness Maximal brightness settings for the LCD appearance Activity time time to switch to idle state if no button operation is performed After activity time defines the HMI behavior after switching to idle state Nothing don t change the screen Alarms menu jump to alarms menu if any alarm is reported Alarms 1 page jump to alarms menu in case of the alarm otherwise jump to main menu VTS reserves the right to implement changes without prior notice User s Manual f VeriTrus HMI com speed RS485M com speed settings for communication speed between the HMI and the controller First parameter refers to HMI speed the other refers to the controller Note The speed settings must match each other Otherwise the connection will be lost Observe communication speed in case of faulty connection See the electrical diagrams for the details LANGUAGE SELECTION English Polski Pyccku HMI OPTIMA supports the following languages
12. Pl gt K for heating T for heating min SETTINGS gt DAMPERS gt Settings refer to the special intake damper anti freeze damper in the units VS10 15 with plate cross flow recuperator without bypass Min fresh air setting for the minimum fresh air ratio at full frost protection Low limit 0 High limit 100 Default 30 Frost protection setting for the lower limit of the exhaust air temperature after the PCR unit Low limit 10 C High limit 15 C Default 5 C Dampers gt Min fresh air 30 00 Frost protection 3 C VTS reserves the right to implement changes without prior notice 16 User s Manual innovative air handling units K I T settings for frost protection PI regulator K gain for the regulator T integral factor for the regulator Default K 75 T 10s SETTINGS gt FANS gt Pressure delay time to check the fan presostats after the fan startup Low limit Os High limit 3600s Default 30s Switch on delay startup delay for the unit Low limit Os High limit 3600s Default 5s Switch off delay delay for stopping the fans in case of units equipped with electric heater or DX cooler Applied if the heater or cooler was actually working Low limit Os High limit 3600s Default 30s Sup fan delay time between applying opening signal for the da
13. State of the water cooler Pump status state of the circulation pump Off e On Valve opening control signal for the 3 way valve range 0 100 corresponding to 0 10V hardware output Water cooler gt Pump status Off Valve opening 096 VTS reserves the right to implement changes without prior notice 12 User s Manual innovative air handling units PARAMETERS 3 DX COOLER STATUS gt State of the DX cooler Off s On Note Cooler status could be affected not only by operation mode of the unit Safe operation of the DX cooler requires some minimal working resting times to be included in the control strategy DX cooler status Off PARAMETERS 3 COOLER gt Cooler status state of the cooling devices Off s On Cooling rate percentage of cooling control signal range 0 100 corresponding to 0 10V hardware output Note This representation of cooler state is exlusive for N Type units and N control applications which do not distinguish between water and DX coolers COOLER gt Cooler status Off Cooling rate 0 PARAMETERS gt PREHEATER gt State of the glycol pre heater Pump status state of the circulation pump Off s On Valve opening control signal for the 3 way valve range 0 100 corresponding to 0 10V hardware output PREHEATER gt Pump status Off Valve opening 0 PARAMETERS gt UNIVE
14. mode 17 00 00 Temperature setpoint 17 00 00 07 00 00 VTS reserves the right to implement changes without prior notice User s Manual 9 VeriTus CALENDAR EXAMPLE Intended scheme of operation for the office 1 Daily a Normal working hours 7 15 work in comfort conditions b Overtime 15 17 work in comfort conditions but save energy c Office empty overnight keep only safe conditions save much energy 2 Weekly a Working days Monday to Friday b Weekend keep only safe conditions save much energy 3 Yearly a Christmas 24 26 December keep only safe conditions save much energy Date from 24 12 Programming step 1 do the settings for holidays Time from CALENDAR gt ANNUAL gt NEW PROGRAM 17 00 00 Date from 24 12 Date to Time from 17 00 00 27 12 Date to 27 12 i bui Time to Time to 07 00 00 i l Operation mode Standby a Standby Note Always remember to save your settings Temp Setting 18 C Save Programming step 2 do the settings for weekend exception New program gt CALENDAR gt WEEKLY gt NEW PROGRAM Week day from Friday Week day from Time from 17 00 00 Fr Week day to Monday Time from Time to 07 00 00 17 00 00 Operation mode Standby Week day to Temp setting 18 C Ma Note Always remember to save your settings VTS reserves the right to implement cha
15. 1 PARAMETERS gt TEMPERATURES gt sesee n eee eren eher eee r rese rient rre titer sreer iren sitse irren sisse irse sitse teens serit sert sse rrr s seri 11 PARAMETERS gt DAMPERS 3 12 PARAMETERS gt FANS E stet eeh A el a a O eure 12 PARAMETERS WATER EATER 2 eiie ioc A eu e e e de det on te co ch o ad ala add 12 PARAMETERS Q ELECTRIC HEATER betekent eeneg 12 PARAMETERS gt WATER COOLER gt ii aaa 12 PARAMETERS gt DX COOLER SATU O gt 2 a Nala eon ce bine ade 13 PARAMETERS COOLER 5 aiite Eege EEN eg Eege Se EE ege seis a EE AER eg 13 PARAMETERS gt PREHEATER O lt lt b sse cid 13 PARAMETERS gt UNIVERSAL COIL i 13 PARAMETERS gt RECOVERY RATE a 14 PARAMETERS ROTARY REGEN 5 neu HISP iE gU UE VU E UII E O LED S LLL ELIO CEDE SURE 14 PARAMETERS 3MIXING IRSAT E eee E EE EEN 14 B SETTINGS e noe aces eo ee ee ee i eu Ma REM VER NR 14 SETTINGS gt DEF WORK MODE 9 1 nuin E Ee 14 SETTINGS STANDBY MODE coccinea ee ES ee et 14 SETTINGS 57S EE 15 SETMINGS gt PERFORMANG Be si Ee E a o o od e he e EE 15 SETTINGS gt TEMP REGULATOR gt 1 A Ss Is dg SES 16 SETTINGS gt DAMPERS EE 16 SEW TING SAIN e 17 SETTINGS HEATER SX get ees Eege SE eee deng 17 SETTINGS gt PREHEAT ER gt ii ae 19 SETTINGS gt CLG PUMP PROT S EE 20 VTS reserves the right to implement changes without prior notice User s Manual 1 SETTINGS DK COOLER EE 20 SETTINGS RECOVERY rH EEUU 20 SETTINGS gt MIXING CHAMBER 9 ii
16. 43 44 43 5 49 Table C PRN 055 075 Al lae l 2230 z0 s8 75 110 0 55 4 0 75 4 4 1 1 4 6 1 5 6 6 6 2 6 10 10 10 3 0 6 6 6 6 6 4 0 6 6 6 6 6 6 55 6 6 6 10 10 10 10 7 5 10 10 10 40 10 10 10 10 11 0 10 10 10 10 10 10 16 16 16 VTS reserves the right to implement changes without prior notice Advanced manual 31 VeriTus 11 ELECTRIC DIAGRAMS VWILdO 99 S 01 SA 1 1 s vr o 8 E a E i Ps i i T i 1 T us EE me od i Linz I 1 l 1 al ill ITE I 4 1 1 4 i dd N LT ovaz oe EEN i ae eee L i MEL bog ios d i 1 I 1 l 1 l 1 1 I 1 1 1 1 1 U i 1 I 1 1 I 1 I 1 I 1 13d 1 1 jad 1 1 1 3d 1 i 1 m9 1 1 1 1 1 Ni 1 Ni I Ni i Q 1 1 O i i i i N T T H l 1 l 1 l 1 A z z i E n X nae Was Aue S a a Kolda o EV eR Oh 811816 73 a E L L i Ave NOEZ 3 3 o E LL O SIdWIS NOI SA E O isetd 13 O WHO Ser N O 2 e H lalalala LN ka Tr jody OL 6 8 Z 9 v A VTS reserves the right to implement changes without prior notice Advanced manual 32
17. 50 Sup Fan Stage ll Exh Fan Stage ll setting for the fan capacity on Stage ll operation mode Low limit 2096 High limit 100 e Default 100 VTS reserves the right to implement changes without prior notice User s Manual 15 VeriTus SETTINGS gt TEMP REGULATOR gt Supply T temperature Low limit 20 C High limit 50 C Default 40 C Supply T in setting for the lower limit of supply air temperature Low limit 0 C High limit 30 C Default 15 C Min cooling temp lower limit for activating the cooling When the external teperature falls below the limit the cooling functionality is disabled and the unit can only ventilate to cool down the room Low limit 10 C High limit 20 C Default 12 C Heating PI Cooling PI Supply PI settings for Pl regulators in temperature control loop K gain for the regulator T integral factor for the regulator Default for heating and cooling K 71 T 60s Default for supply limits K 2 T 10s setting for the upper limit of supply air Note The heating and cooling PI regulators refer to both heating and cooling coils and to heat recovery devices The supply PI regulator is responsible for keeping the supply air within the limits defined by Supply T__ and Supply T Temp Regulator Supply T 30 C max Supply T 15 C Min cooling temp 15 C Heating
18. RSAL COIL gt State of the universal cooling heating coil Pump status state of the circulation pump Off On Valve opening control signal for the 3 way valve range 0 100 corresponding to 0 10V hardware output Mode current state of the coil Winter heating coil is working as a heater the control signal increases if the temperature is below the setpoint summer cooling coil is working as a cooler the control signal decreases if the temperature is below the setpoint Note The pipeline has to be switched manually between supplying from chiller or from boiler The mode selection must be done according to the actual state of the piping Universal coil Pump status Off Valve opening 096 Mode Winter heating VTS reserves the right to implement changes without prior notice User s Manual 13 VerniTrus PARAMETERS gt RECOVERY RATE gt Readout of control signal for the rotary heat regenerator or plate cross flow recuperator range 0 100 Recovery rate 0 PARAMETERS gt ROTARY REGEN gt State of the rotary heat regenerator Recovery rate readout of control signal for the recovery unit range 0 100 Frequency readout of actual output from the frequency converter Fault code status word read from the frequency converter Note For detailed information on fault codes refer to the manual of the frequency converter
19. T 1 For quick access there are four screens with the most basic information and settings These are sufficient for daily Unit state operation To run the unit quickly just do Stop Check the Unit state screen 2 Stop means the unit is already configured is free of Operation mode alarms and other malfunctions and is ready to run Stop Check the Temp setting and put the correct value if 3 necessary Temp setting Check the Temp readout 22 0 C Select the Operation mode according to current 4 expectations T dout E emp readou 1 Stop unit remains stopped 25 3 C 2 Stage unit run fans set to 1 speed low capacity 3 Stage Il unit run fans set to 2 speed high capac 4 Standby unit stopped to save energy but ready for automatic start up to keep the temperature within specified safe range 5 Calendar unit working automatically according to the real time clock settings VTS reserves the right to implement changes without prior notice User s Manual 5 VeriTus 2 APPLICATION BASICS MAIN MENU STRUCTURE Unit state indicates the current state of the air handling unit and the control system Stop normal stop of the unit Running normal operation of the unit with ventilation and heating cooling recovery enabled according to current unit state and demand Alarm state unit in alarm state Fault stop unit stopped by a fault Init heating
20. amp on the HMI OPTIMA device by switching the relay output and by the LED lamp on the main controller PCB inside the control box In the HMI alarms can be accessed via the Alarm Menu The menu is available on long pressing of the button C approx 3s Note In the default factory mode the HMI switches to the Alarm Menu automatically when the alarm appears The actual behavior depends on the HMI settings Each alarm is displayed in the following manner A9 HW_ThAir 09 05 16 22 10 where A9 HW ThAir stands for the name of the alarm and the bottom line indicates the time and date when the alarm was detected Except of the displayed text the alarm LED starts to blink when new alarm is detected All the alarms can be divided in two groups Self release alarms the unit is restarted automatically when the alarm signal disappears marked with A1 A2 codes Blocking alarms manual acknowledge is required to restart the unit marked with A50 A51 codes To acknowledge the alarm hold the OK button Earlier the cause of the alarm should be eliminated Otherwise the symbol will appear next to the name of the alarm to indicate that the cause of the alarm is still valid regardless to the alarm confirmation In such case the LED stops blinking and switches to solid red light VTS reserves the right to implement changes without prior notice 26 Advanced manual innovative air handling units No
21. ater gt Pump protection gt Set protection Not active Stoppage period 7 days Run time 30s Tbwtr setpoint Kp Tbwtr 1 0 Ti Tbwtr 60s VTS reserves the right to implement changes without prior notice 18 User s Manual innovative air handling units Tbwtr setpoint setting for the desired temperature of the backwater from the heater If unit stopped regulator keeps exactly the setpoint If unit running Tbwtr setpoint is considered as lower limit of backwater temperature If the Tbwtr drops the regulator forces the valve to open regardless to the main control loop for heating Low limit 20 C High limit 70 C Default 50 C Note The room could be overheated by backwater control feature Tbwtr control has got higher priority than the main temperature control loop Note The backwater control feature is blocked if the outside temperature is higher than Pump work temp e Kp Tbwtr gain for the regulator Ti Tbwtr integral factor for the regulator Default Kp 1 Ti 60s SETTINGS gt PREHEATER gt PREHEATER gt Temp setting setpoint for initial heater Note Preheating regulator compares the setpoint with the B3 i f Temp setting sensor readout Regulation goal is to keep the B3 temperature equal to the setpoint Note Observe the application diagrams for proper placement of Kp the sensors 1 0 s Low limit 24 C High limit
22. circulating pump M3 3 3x1 0 cooling device alarm switch SSF 2 2x0 75 VTS reserves the right to implement changes without prior notice Advanced manual 29 VerniTrus Name of element connection point Symbol Wire type Section mm cooling device start input El 2 2x0 75 refrigerating unit start input stage E2 1 2 2x0 75 cooling device analog control signal valve Y2 1 3x0 75 RRG frequency converter U1 1 2 3x1 5 4x1 5 RRG alarm switch RRG start input via Modbus 3 UTP 2x2 RRG speed reference input recirculation damper actuator Y3 1 3x0 75 cross flow bypass actuator Y4 1 3x0 75 CWHW analog controlled valve Y5 1 3x0 75 AHU alarm E4 2 2x0 75 HMI OPTIMA N3 3 UTP 2x2 supply elements pressure control primary filter supply 1S1H 2 2x0 75 pressure control primary filter supply 1S2H 2 2x0 75 pressure control compression monitoring for HE Module 1S3H 2 2x0 75 supply frequency converter 1U1 1 2 3 Bee intake damper actuator 1Y1 2 3x0 75 exhaust elements pressure control primary filter exhaust 2S1H 2 3x0 75 exhaust frequency converter 2U1 1 2 3 E outlet damper actuator 2Y1 2 3x0 75 Table A Motor rated Motor rated Frequency cable cable Cable powering the control Rated current of the power current converter fuse iio pd box control box
23. current capacity for cables arranged in the air supported on brackets e cable racks in perforated trays with spacing from the wall of min 0 3 cable diameter insulated with PVC for 3 conductors loaded Due to the protection 203D selectivity length cable placement method and short circuit currents revise the feeders cross sections in the table below Wire type Picture Description Parameters Control wires with copper Nominal voltage 300 500 V 1 cores with a shield PVC isolation Ambient temperature 30 to 80 C 2 Copper cores PVC Nominal voltage 450 750V 2 isolation Ambient temperature from 40 to 70 C 3 Copper cores PVC Nominal voltage 150 V 3 isolation Ambient temperature 20 60 C Name of element connection point Symbol Wire type Section mm Power supply for the control gear CG 2 Table A controller N1 fire alarm switch S1F 2 2x0 75 multi function switch S6 2 2x0 75 supply air temperature sensor B1 1 2x0 75 external air temperature sensor B3 1 2x0 75 after recovery air temperature sensor B4 1 2x0 75 HE alarm switch VTS E 0005 oe ae 2 2x0 75 HW anti frost air side thermostat S2F 2 2x0 75 HW analog controlled valve Y1 1 3x0 75 HE power rate control input VTS E 0005 ae 1 3x0 75 VTS E 0005 HW circulating pump contactor M1 1 3x1 5 HW back water sensor B7 4 3x0 75 glycol pre heater anti frost thermostat S6F 3 2x0 75 glycol pre heater analog valve Y6 4 3x0 75 glycol pre heater
24. d D4 Opened Closed Sensor inputs readout of actual values read by temperature sensors Pt1000 e P1 e P2 e P3 SERVICE MENU gt OUTPUT STATES gt Relay outputs readout of the actual states of hardware digital outputs REL1 Off On REL2 Off On REL3 Off On Analog outputs readout of actual values sena to hardware analog outputs A1 0 10V A2 0 10V SERVICE MENU gt INPUT EMULATION gt Digital inputs overwriting the states of hardware digital inputs D1 None Set opened Set closed D2 None Set opened Set closed D3 None Set opened Set closed D4 None Set opened Set closed Sensor inputs overwriting the actual values read by temperature sensors Pt1000 P1 emulate Disabled Enabled select to activate the overwriting P1 temp enter the value P2 emulate Disabled Enabled select to activate the overwriting P2 temp enter the value P3 emulate Disabled Enabled select to activate the overwriting P3 temp enter the value VTS reserves the right to implement changes without prior notice 24 Advanced manual innovative air handling units SERVICE MENU gt OUTPUT FORCING gt Relay outputs overwriting the actual states of hardware digital outputs REL1 None Force Off Force On REL2 None Force Off Force On REL3 None Force Off Force On Analog output
25. dbus address setting of the slave address for the supply fan frequency converter Supply FC Min frequency lower frequency limit corresponding to 0 of fan stage setting Low limit 10Hz High limit 50Hz Default 20Hz Supply FC Max frequency upper frequency limit corresponding to 100 of fan stage setting Low limit 10Hz High limit 100Hz e Default 60Hz Supply FC Acceleration setting for acceleration time of the fan set Low limit 30s High limit 120s Default 60s Supply FC Deceleration setting for deceleration time of the fan set Low limit 20s High limit 100s Default 60s Exhaust FC the same settings for frequency converter of the exhaust fan set VTS reserves the right to implement changes without prior notice Advanced manual 23 VerniTrus RRG FC the same settings for frequency converter of the rotary energy regenerator Response timeout setting for max waiting for a slave to respond If the time was exceeded the error will be detected It is recommended to not modify that parameter Factory setting 0 3s Comm break time setting for idle time on the communication line between sending next packets It is recommended to not modify that parameter Factory setting 2 0s SERVICE MENU gt INPUT STATES gt Digital inputs readout of the actual states of hardware digital inputs D1 Opened Closed D2 Opened Closed D3 Opened Close
26. e frequency converters can be installed with OPTIMA control box FC for single supply plug fan FC for single exhaust plug fan FC for rotary heat regenerator RRG see Drive Unit for Rotary Exchanger manual VTS reserves the right to implement changes without prior notice Advanced manual 25 LCT J LS Note Mind the proper addressing of the frequency converters which is crucial for correct operation of the unit Note The LS frequency converters can be restored to factory configuration by setting the parameter H93 to 1 and consecutive switching Off and On again Name of the parameter Code Value Remarks Source of control DRV 3 Modbus Source of frequency reference Frq iC5 8 iG5 7 Modbus Stopping method F4 0 ramp down Max output frequency F21 100 0 Hz Motor rated frequency F22 50 0 Hz U f curve characteristics F30 1 square charact Motor overload protection F50 1 enabled Motor poles number H31 i see nameplate Motor rated slip frequency H32 e to be calculated Motor rated current H33 S see nameplate No load motor current H34 1 3 rated current 2 supply fan Modbus address 160 S PP 3 exhaust fan Reaction on communication loss 162 2 ramp stop Communication timeout 163 10 0 S Formula to calculate the rated slip frequency H32 1 H31 rated rpm 6000 50 Hz 8 ALARM HANDLING Alarm states are indicated by blinking display and flashing LED l
27. ed controller ready for normal operation On service mode enabled controller ready for configuration and locked no control functions can be executed Default state for first power up is On the service mode is factory state as the controller requires configuration before normal operation Note The controller wouldn t start for normal operation if set to Service mode After completing all the configuration switch the Service mode to Off SERVICE MENU gt CHOOSE APPLIC gt Choose application sub menu for entering the Application Code that defines the actual type of the unit that will be controlled by the control box Application type setting for the letters from the application code given in the datasheet of the air handling unit e AD e AP e AR e AS e ND NS Application code the number from the application code e 0 257 Confirm code indication if entered code is included in the list of allowed applications Error check the settings for the type and code of the application OK settings approved SERVICE MENU gt CONFIGURATION gt S6 switch mode setting for the universal digital input for auxiliary start stop switch S6 Aux OR switch S6 is digital OR with start stop command set in the HMI Note OR is default configuration AND switch S6 is digital AND with start stop command set in the HMI DM input mode configuration of the universal digital inpu
28. ic iir a it 21 ADVANCED MANUAL e 22 6 SERVICE 1215 L cita AA A AA AA AAA AAA AAA ii 22 SERVICE MENU gt SERVICE MODE gt sese ria sio Eege calido idad a e la a 22 SERVICE MENU gt CHOOSE APPLIC iecit riii ciret etate a nl ci hl natia eaa 22 SERVICE MENU gt CONFIGURATION D 4 neret etae etti temet tet ena act ru tt bk cnet te taba cael oust eaten merde ese ru Ra ded acaba nada 22 SERVICE MENU gt INPUT STATES A rer reine eene co ri Ree eta steer e Ero ted ee Reeg Cue eade 24 SERVICE MENU e REN ECH 24 SERVICE MENU INPUT EMULATION 2 neri cea tree treni reat tree erre ceat tra re e eda ineo eee Frei o kk a ERA Ea Cc tea Ee 24 SERVICE MENU OUTPUT FORCING neret edite ent tr EENS se Eva terae a 25 SERVICE MENU gt RESTORE DEFAULT SETTINGS gt 4 5 iiti cente trac enano HE Ee ee Fo cine ena RS la tea EEN 25 SERVICE MENU gt ALGORHITM LPS Sucina See 25 7 FREQUENCY CONVERTER CONFIGURATION esee rana 25 Minna cm 26 9 TECHNICAL DATA M 28 Be c 29 11 ELECTRIC DIAGRAMS RARA AA 32 VTS reserves the right to implement changes without prior notice 2 User s Manual innovative air handling units USER S MANUAL 1 DESCRIPTION OF CONTROLS INTRODUCTION Application Protection and control of supply and supply exhaust air handling units equipped with o two fan sets with freque
29. ill be executed by the mixing S Chamber 30 00 High limit 100 30 00 Min fresh air setting for the minimum fresh air ratio at full frost protection Low limit 0 Fasi healing Not active High limit 100 e Default 30 Temp setpoint Fast heating Fast heating setting to enable disable the fast L heating functionality If enabled and the right conditions will be Hysteresis detected the unit will heat up with fully forced recirculation to 4 C minimize the time and energy consumption Not active default setting Active Fast heating Temp setpoint setpoint for the fast heating function Low limit 10 C High limit 30 C Default 18 C Fast heating Hysteresis setting for the actual temperature deviation from the setpoint value that will activate the fast heating functionality Low limit 2 C High limit 10 C s Default 4 C VTS reserves the right to implement changes without prior notice User s Manual 21 VerniTrus ADVANCED MANUAL 6 SERVICE MENU gt Service menu contains the most fundamental settings necessary for proper configuration and safe startup of the unit Moreover some service oriented functions are available here for easy maintenance and troubleshooting for service staff SERVICE MENU gt SERVICE MODE gt Service mode setting to enable disable service mode Off the service mode disabl
30. innovative air handling units Mr Compact control gear for Supply O and Supply Exhaust Air Handling Units VS 10 75 CG OPTIMA VS 40 150 CG OPTIMA SUP VS 40 150 CG OPTIMA SUP EXH Operation and Maintenance Manual LCT J LS DTR CG OPTIMA ver 2 0 05 2012 SUP EXH are designed according to the following European standards EN 60335 1 EN O Control boxes VS 10 75 CG OPTIMA VS 40 150 CG OPTIMA SUP VS 40 150 CG OPTIMA 60439 1 EN 60439 3 EN 50082 1 EN 50081 1 www vtsgroup com innovative air handling units Table of Content USER S MANUALE 3 1 DESCRIPTION OF CONTROLS aci ii A A ek Nee ge ve 3 INTRODUCTION o ll MENU AREE NY 3 MAINS SWITC RE 3 SIGNALLING CONTROLLER STATUJS ii leia 3 CONTROL PANEL HMI OPTIMAL 4 SYSTEMESTARTFUP soda 5 SWITCHING ON POWER SUPPLY iii e at E SO Las Lll 5 eie ep gd EE 5 2 APPLICATION BASICO EEN 6 MAIN MENU STRUCTURE 1 3 eei iier suec ed riiv eis ce cca eet exes etc ome Ee 6 HMI OPTIMA SETTINGS amp CONNECTING TO THE CONTROLLER eee hene nem eer nnnm r seen nne rr sse rr ss rrr ses r serre 7 LANGUAGE SELECTION English Polski PyCCKMM isuse aen e TSE ERC nn nn aR Ee nnn TS been enne nn sinere aE 8 ENTERING THE AU e REENEN 8 ICALENDAR SO a dei aan 8 CALENDAR ANNUAL essa dada 9 CALENDAR EH NL KUER 9 CALENDAR MEEA EE Ee 9 CALENDAR DAILY 3 MM 9 CALENDAR EXAMPLE 2 desc bee eon coh che ee a 10 4 PARAMETERS O IN E DOT EE R 1
31. larm needs to be acknowledged Permanent red acknowledged alarm requires further actions to remove the cause of the problem Functions Time zones setting Air handling unit operation parameterization and maintenance e Selection of control application Access to operation parameters of the AHU subassemblies Displaying and canceling alarm statuses viewing alarm history VTS reserves the right to implement changes without prior notice 4 User s Manual innovative air handling units Parameters available in the LCD window depends on a AHU type and the control D application Hence in AHUs not equipped with heater options related to the heating module will not be visible SYSTEM START UP Operation of the AHU is strictly arrested by the fire protection alarm activation of the thermal protection of fans motors threefold activation of the protection of electric heater D and threefold activation of the anti frost thermostat Each of these events requires removing the cause of the alarm and then canceling it see more details in Advanced Manual SWITCHING ON POWER SUPPLY Switching on power supply of the control gear with the mains switch Q1M Correct controller operation is indicated by green LED COMM blinking on the PCB inside the control box and on the HMI OPTIMA device The system is ready for operation immediately after switching on QUICK STAR
32. motor kW A mm mm4 mm A 3 230V 50Hz 230V 50Hz Supply Sup Exh Supply Sup Exh 0 55 2 5 gG10 3x1 5 4x1 3x1 5 14 0 75 3 0 gG10 3x1 5 4x1 5 3x2 5 14 1 1 4 5 gG10 3x1 5 4x1 5 3x2 5 3 x Table C 17 Table B 1 5 6 0 gG20 3x2 5 4x1 5 3x4 17 2 2 8 0 gG20 3x2 5 4x1 5 3x4 20 3 400V 50Hz 3 400V 50Hz 3 0 6 0 gG16 4x2 5 4x2 5 5x4 8 7 5 13 4 0 8 0 gG16 4x2 5 4x2 5 5x4 10 95 15 5 5 11 0 gG20 4x2 5 4x2 5 5x4 5 x Table C 13 12 5 18 Table B 7 5 15 0 gG20 4x2 5 4x2 5 5x6 18 16 5 22 11 0 21 0 gG25 4x4 4x4 5x6 23 22 5 28 VTS reserves the right to implement changes without prior notice 30 Advanced manual innovative air handling units Table B P 0 55kW 0 75kW 1 1kW 1 5kW 2 2kW 3kW 4kw 5 5kW 7 5 11 aaa ae ae tes tt TIEFE 0 55 19 0 75 19 19 3 12 5 10 13 14 10 13 15 5 10 13 17 5 10 13 14 13 5 19 4 14 5 12 15 16 12 15 118 5 12 15 19 5 12 15 16 15 5 21 18 17 5 23 55 17 5 15 18 18 15 18 20 2 15 18 22 5 15 18 19 18 5 24 21 20 5 26 24 23 5 29 10 21 5 19 22 23 19 22 24 5 19 22 126 5 19 22 23 22 5 28 25 24 5 30 28 27 5 33 32 131 51 37 21 27 5 25 28 29 25 28 30 5 25 28 32 5 25 28 29 28 5 34 31 120 51 36 34 33 5 39 38 137 5
33. mpers and starting the supply fans Low limit Os High limit 3600s Default 10s Exh fan delay time between applying start signal for the supply fans and exhaust fans Low limit Os High limit 3600s Default 10s Fans gt Pressure delay 30s Switch on delay 5s Switch off delay 30s Sup fan delay 10s Exh fan delay 10s SETTINGS gt HEATER gt Initial heating Max T Out upper temperature limit for the initial heating procedure At this point the valve begins to open Low limit 0 C High limit 30 C Default 8 C Initial heating Min T Out lower temperature limit for the initial heating procedure At this point the valve reaches 100 opening Low limit 40 C High limit 0 C Default 15 C Heater gt Initial heating gt Max T Out 8 C Min T Out 15 C VTS reserves the right to implement changes without prior notice User s Manual 17 VeriTus Note Between the points of Max and Min T Out the valve position is calculated with linear characteristics For example at half the range the valve will be 50 opened Initial heating Preheating time setting for the initial heating timer After that time unit starts normal operation and the valve opening relies on the Pl regulators for heating sequence Low limit Os High limit 3600s Default 30s Initial heating Fall ramp
34. ncy converters o two air dampers o cooler or heater o heat recovery system Special control applications marked with N code which are exclusive for N Type duct units are capable of protection and control of units equipped with o water heater and a cooler o water heater and glycol preheater o extra functionality is backwater regulation for protection of the heater coil Range of operation VS 40 150 CG OPTIMA SUP VS 40 150 CG OPTIMA SUP EXH Air handling units equipped with direct driven plug fans powered by frequency converters up to 2 2kW up to 11kW VS 10 75 CG OPTIMA MAINS SWITCH Function Switching the control box On Off SIGNALLING CONTROLLER STATUS By the top edge of the PCB there are two LED indicators 1 Red ALR to indicate the alarm conditions of the controller or the application a Off if no alarms are recognized b Blinking in case of alarm conditions VTS reserves the right to implement changes without prior notice User s Manual 3 VeriTus 2 Green COMM to indicate the state of Modbus Master communication line a Off no communication HMI OPTIMA not connected b Blinking in case of stable communication 1 All control boxes of the VS CG OPTIMA typeline need to be powered from the main H switchgear equipped with appropriate protection of wires powering the control box 2 Assembly wiring and start up of the c
35. nges without prior notice 10 User s Manual innovative air handling units Time to 07 00 00 Operation mode Standby Temp Setting 18 C Save Programming steps 3 4 5 do the settings for daily operation CALENDAR gt DAILY gt NEW PROGRAM Time from 07 00 00 Time to 15 00 00 Operation mode Stage II Temp setting 22 C CALENDAR gt DAILY gt NEW PROGRAM Time from 15 00 00 Time to 17 00 00 Operation mode Stagell Temp setting 21 C CALENDAR gt DAILY gt NEW PROGRAM Time from 17 00 00 Time to 07 00 00 Operation mode Standby Temp setting 18 C Note Always remember to save your settings New program gt Time from 07 00 00 Time to 15 00 00 Operation mode Standby Temp Setting 18 C Save 4 PARAMETERS gt Menu Parameters gives information on actual status of the unit Note Data in Parameters is read only For setpoints limits Pl tuning refer to Settings PARAMETERS gt PARAMETERS gt TEMPERATURES gt Readout of the temperatures Main sensor temperature from room or supply sensor main value for temperature regulators Room sensor temperature in the room measured by HMI OPTIMA Supply sensor temperature in supply duct External sensor outside temperature After recovery sensor exhaust air temperature sensor after the recovery system protects from freezing the recu
36. ontrol gear should by done by qualified staff only 3 Control boxes VS CG OPTIMA are intended only for indoor operation CONTROL PANEL HMI OPTIMA NG vo ee e e OO oo oo COMM ALARM 3 O LCD Display Displaying available parameters settings and current values Top line name of the parameter Bottom line value or selected option Note If the text length exceeds the line limit the text begins to scroll Keypad Left Rigth arrows to navigate across the menus and to change the parameter value s OK to enter another level of the menu to enter parameters to approve and save changed settings to acknowledge alarms C to leave current menu level to cancel settings and selections Note The mark gt shows a link to the next screen Push OK to enter Keep the OK button pressed for approx 3 seconds to enter internal HMI menu Keep the C button pressed for approx 3 seconds to enter Alarm menu Refer to Advanced Manual for details Inbuilt temperature sensor Measurement of room temperature Note Mind the proper installation and placing of the HMI OPTIMA if it is intended to measure room temperature in the reliable way LED Indicator Alarm comm Indication of the unit and HMI state Off no power supply lost communication with the controller HMI malfunction possible Blinking green correct and stable communication with the controller Flashing red new a
37. perator Note All values given in Celsius degrees TEMPERATURES gt Main sensor 22 6 C VTS reserves the right to implement changes without prior notice User s Manual 11 VeriTus PARAMETERS gt DAMPERS gt State of the intake outlet dampers Closed e Opened Dampers Closed PARAMETERS gt FANS gt State of the fans Fans status indicates which fans are currently running x Stop none Supply only supply fan is running Exhaust only exhaust fan is running e Supply Exhaust both fans are running Supply fan rate readout of control signal for the supply fan range 0 100 Exhaust fan rate readout of control signal for the supply fan range 0 100 Note Control signal for fans is transmitted via Modbus link to the frequency converter Fan status Stop Supply fan rate 096 Exhaust fan rate 096 PARAMETERS gt WATER HEATER gt State of the water heater Pump status state of the circulation pump Off s On Valve opening control signal for the 3 way valve range 0 100 corresponding to 0 10V hardware output Water heater gt Pump status Off Valve opening 096 PARAMETERS gt ELECTRIC HEATER gt Readout of the control signal for the electric heater range 0 100 corresponding to 0 10V hardware output PARAMETERS gt WATER COOLER gt Electric heater 096
38. rrent pk at cos 0 5 10 2kA Rated short circuit current 6kA Coincidence factor 0 9 Rated frequency 50Hz 1Hz Protection class IP20 Acceptable operating temperature 0 40 C Supply voltage of control circuits 24VAC EMC environment 1 PARAMETERS OF PROTECTION UNITS F1 6 3A 250V 5x20 glass fuse F2 6 3A 250V 5x20 glass fuse F3 16 0A 250V 5x20 ceramic fuse F4 16 0A 250V 5x20 ceramic fuse INPUT OUTPUT HARDWARE CHARACTERISTICS Digital inputs D1 D4 Nominal input voltage High state detected within range 24VAC 24 DC 15 27VAC 16 38VDC Temperature measurement inputs P1 P3 Sensor type Pt1000 Min load resistance 00 Refresh time 60ms Range 76 105 C Accuracy 0 5 C Resolution 8bits C Analog outputs A1 A2 Rated voltage 0 10V Max load 20mA Min load resistance 5000 Resolution Tbits V VTS reserves the right to implement changes without prior notice 28 Advanced manual innovative air handling units Relay ouputs Max switching voltage 250VAC Min switching voltage 5VDC Rated current in AC1 DC1 class 8A Min current 10mA Rated long term load 8A 10 CABLING Connect power leads of the control box and frequency converter of the fan drive 5 according to the Electric diagram The wire cross sections have been selected for F 1 long term
39. s overwriting the actual values sent to hardware analog outputs A1 forcing Disabled Enabled select to activate the overwriting A1 voltage 0 10V A2 forcing Disabled Enabled select to activate the overwriting A2 voltage 0 10V SERVICE MENU gt RESTORE DEFAULT SETTINGS gt To restore default settings of the controller press OK Then confirm once again Note Restoring default values causes irreversible erase of all settings done before Full re configuration of the controller is required In case of failure with the restore via HMI e g HMI wouldn t communicate with the controller follow another procedure turn off the power supply set all the addressing dip switches to ON remember original setting to apply that after the restore procedure turn on the power supply alarm LED should light up continuously turn off the power again set the addressing dip switches to previous combination and turn on the power supply done SERVICE MENU ALGORHITM LPS gt Algorhitm LPS indicates the speed of application execution in loops per second 7 FREQUENCY CONVERTER CONFIGURATION As the control box uses Modbus communication to control the frequency converters it is required to make proper configuration of those devices prior to startup of the unit Note Improper configuration of frequency converters could cause dangerous malfunctions of the unit Maximum of thre
40. t DI1 three different modes can be selected S1F Fire fire alarm signal stops and locks the AHU if triggered NC voltage free contact XSxH Filters filter pressure drop warning default setting for DI1 displays an alarm without affecting AHU operation NO voltage free contact VTS reserves the right to implement changes without prior notice 22 Advanced manual innovative air handling units S6 Aux external start stop signal NO voltage free contact Note DI1 input mode setting are available only in N applications where hardware input DIT is a configurable resource As the functions of hardware inputs are different for A and N applications observe the control application diagrams and follow them strictly Main sensor Main sensor selection of main temperature sensor for temperature regulation T Sup supply air temperature sensor e HMI room temperature sensor inbuilt in the HMI OPTIMA Main sensor Max HMI resp time timeout for communication If exceeded the controller will report the error of main temperature measurement Low limit Os High limit 100s e Default 15s DX protection mode setting for the digital input of refrigeration unit alarm NC normally closed default NO normally opened Supply FC Communication setting to enable disable communication with the frequency converter of supply fan set Disabled default Enabled Supply FC Mo
41. te Each blocking alarm needs to be acknowledged separately Holding the OK button affects only the alarm that is currently displayed on the HMI LIST OF SELF RELEASE ALARMS Alarm name Description Input Controller reaction A1_Filter dirty filter indication D3 no reaction A2_FCsCom supply FC communication error Modbus immediate unit stop A3_FCeCom exhaust FC comm error Modbus immediate unit stop A4 Tmain main temperature sensor lost unit stop A5_Tsup supply temperature sensor lost P1 unit stop A6 Tout external temperature sensor lost P2 unit stop AT Trec after recovery temp sensor lost P3 unit stop A8 HE Th overheating alarm of el heater D2 unit stop A9 HW ThAir frost alarm of water heater D2 ees pumpin valve 0 A10_DX alarm of the DX cooler D2 cooler stop A11_FCrCom RRG FC communication error Modbus unit stop A12_InEmul emulation of input unit stop A13_OutForce force of output unit stop A14 Troom HMI room sensor lost Modbus unit stop A15 preHW Thair frost alarm of water pre heater D3 unit stop LIST OF BLOCKING ALARMS Alarm name Description Input Controller reaction A50 MotSup supply motor FC protection alarm Modbus immediate unit stop A51 MotExh exhaust motor FC protection alarm Modbus immediate unit stop A52 3xTmain main temperature sensor error repeated unit stop 3x within one hour A53 3xTsup supply temperature sensor error repeated P1
42. time for the valve to close after completing the initial heating procedure By the time of controlled closing the valve position should meet the actual signal from the PI output so the crossing throug 096 valve opening will be avoided The fall ramp is intended to minimize the risk of freezing alarms which could happen in case of closing the valve suddenly Low limit Os High limit 3600s Default 30s Pump work temp setting for the external temperature which forces the circulation pump to work continuously Low limit 20 C High limit 15 C Default 8 C Min valve open lower limit for the valve position In working unit the valve control signal will be at least at that level Low limit 0 High limit 100 Default 0 Pump protection Set protection setting to enable disable the protection against sticky sealing issue The sticky sealing could happen in case of long term inactivity of the pump when contaminations and deposits from the water could damage the mechanical sealing Not active default setting Active Pump protection Stoppage period setting of the resting time for the pump Low limit 1day High limit 30days Default 7days Pump protection Run time setting of the operation time for the pump Low limit 1s High limit 3600s Default 30s Preheating time 30s Fall ramp 30s Heater Pump work temp 8 C Min valve open 0 00 He
43. unit stop 3x within one hour A54 3xTout external temperature sensor error P2 unit stop repeated 3x within one hour ARR 3xlrec after recovery temperature sensor error P3 unit stop repeated 3x within one hour AS 3xHE Th overheating alarm of el heater repeated D2 unit stop 3x within one hour frost alarm of water heater repeated 3x unit stop pump On valve EES within one hour Be 10096 AER 3xDX alarm of the DX cooler repeated 3x within D2 cooler stop one hour A59 MotRRG RRG motor FC protection alarm Modbus unit stop A60 Fire fire protection activated via binary input D1 immediate unit stop room temperature sensor error repeated A61 3xTroom 3x within one hour unit stop VTS reserves the right to implement changes without prior notice Advanced manual 27 VerniTrus 9 TECHNICAL DATA Parameter VS10 75 CG VS 40 150 CG VS 40 150 CG OPTIMA OPTIMA SUP OPTIMA SUP EXH Weight 6 5 7 0 7 5 Dimensions W x H xD 240x300x130 240x400x130 240x400x130 Electrical supply system TN Rated power supply voltage 230V 3 400V 3 400V Rated current In 31A 28A 49A Rated insulation voltage Ui 400V Rated impulse withstand voltage Uimp 2 5kV Rated short time withstand current Icw for respective circuits effective value of alternating current component withstood during 1 second i e 6kA short circuit current expected at rated connecting voltage Rated peak withstand cu

Compact control gear for Supply and Supply

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