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kVent – rel 3.1 – 22/06/2018

kVent

Controller for ventilation units

Manual

H i g h E f f i c i e n c y S o l u t i o n s

Summary of Contents for kVent

Page 1: ...kVent rel 3 1 22 06 2018 1 kVent Controller for ventilation units Manual H i g h E f f i c i e n c y S o l u t i o n s...

Page 2: ...kVent rel 3 1 22 06 2018 2...

Page 3: ...ontrollers serial boards programming keys or any other accessory in the CAREL product portfolio CAREL adopts a policy of continual development Consequently CAREL reserves the right to make changes and...

Page 4: ...kVent rel 3 1 22 06 2018 4...

Page 5: ...CO2 Regulation 25 5 12 Boost function 25 5 13 Minor functions 25 5 14 Import Export parameters 25 6 PARAMETERS TABLE 26 6 1 INFO menu in main mask 26 6 2 SET menu in main mask 29 6 3 MODE menu in mai...

Page 6: ...e control Air flow control Protection Filters Fire Smoke alarm Frost protection Door switch Interface Browser interface based on WebKit pGDE for advanced function and service thTune for end user 3 dif...

Page 7: ...cables be laid parallel to the power cables Keep the paths of the probe cables as short as possible and avoid making spiral paths that enclose power devices In case of malfunctions do not attempt to r...

Page 8: ...ame FieldBus port for ModbusMaster 19200 8N2 With the following parameters is possible to define a different Frame Ha91 Stop bits Ha92 Parity Display protocol on port DISP ModBus master protocol on po...

Page 9: ...alog outputs Out Y PWM output not optically isolated 2 Analog outputs Out Y Output for single pole stepper motor 1 TOTAL ANALOG OUTPUTS 2 Digital outputs Out NO NC relay output 1 Out NO relay output 5...

Page 10: ...kVent rel 3 1 22 06 2018 10 Connections example 2 4 3...

Page 11: ...ure AI4 Fresh temperature AI3 Recovery ON OFF DO10 Recovery 3point valve DO23 DO24 Modulating recovery AO6 Recovery 2 steps DO36 DO37 3 Glycol Supply temperature AI1 Exhaust temperature AI4 Fresh temp...

Page 12: ...ve control Back water temperature AI6 Fresh temperature AI3 Heat 1 DO4 Modulating heat AO3 Heat 2 DO6 Heat 3 point valve DO17 DO18 Cool Heat common AO12 3 0 10V valve in common with cool Back water te...

Page 13: ...3 point valve DO27 DO28 Modulating preheater AO7 4 1 modulating After preheater temperature AI11 Modulating preheater AO7 Preheater back water temperature AI10 Preheater 3 point valve DO27 DO28 Prehea...

Page 14: ...ulating exhaust fan AO2 1 VAV Supply air pressure AI13 Exhaust air pressure AI14 Modulating supply fan AO1 Modulating exhaust fan AO2 2 CAV Supply air pressure AI13 Exhaust air pressure AI14 Modulatin...

Page 15: ...r 14 Ga66 Exhaust air pressure 12 Gb23 Comfort 11 Gc21 Preheater 11 Gd11 IEC 15 Ga 71 Supply humidity 13 Gb25 Supply filter alarm 12 Gc23 Humidifier 12 Gd12 Cool Heat signal 24 GaB6 VOC sensor 14 Gb27...

Page 16: ...update the application software of the controllers family with the following methods 1 Update from computer by USB cable 2 Update via USB flash drive 3 Update with file transfer via FTP Attention only...

Page 17: ...directory on the computer to the UPGRADE directory on the kVent controller 3 Access the system menu on the kVent and select UPGRADE Note when having loaded the update file to the UPGRADE directory vi...

Page 18: ...and probes are available in a menu connected to the synoptics The individual screens of the synoptics are shown below Set In this menu is possible to see the current setpoint and the working mode def...

Page 19: ...ck Enable scheduler Clock 2s thTune scheduler settings Fan Change working setpoint 1 ECO 2 PRECOMFORT 3 COMFORT 4 STOP On Off Switch ON OFF th Tune display Exit from settings Clock Mode for 3s Run boo...

Page 20: ...e comfort zones are ECO PRECOMFORT and COMFORT This working mode can change the following sets if the functions are activated 1 Supply temperature a Economy Z001 b Precomfort Z002 c Comfort Z003 2 Roo...

Page 21: ...ured by Service I003 No serious alarm On by digital input On by the OR of the following conditions o On by pGD X00a o On by BMS o On by thTune if present o On by scheduler if enabled Variable mode is...

Page 22: ...reshold The bypass damper can be modulated to reach the desired temperature for the supply air temperature because the freecooling can be considered as the first step of sequential PID regulation In c...

Page 23: ...e below an example with devices with the same power Min inverter power 20 Max heaters power 33 3kW In this case the second heater will start when the request reach the threshold calculated in the foll...

Page 24: ...decrease the efficiency of the unit kVent provides a control on external temperature and after preheater device If the unit has a preheater the after preheater temperature is considered for recovery...

Page 25: ...mode menu X00b or by TH Tune pressing thogheter the buttons Clock Mode for 3s The maximum Boost time is settable on the Setting menu through the parameter H023 5 13 Minor functions Antistack procedure...

Page 26: ...0l Supply humidity probe Probe value Real rh R SupplyHum ReadVal IR88 AV88 Y00l Suction temperature probe Probe value Real rh R FreshAirHum ReadVal IR89 AV89 Y00l Return CO2 sensor Probe value Real pp...

Page 27: ...nt valve close Value Bool R CoolVlv_Cl Ctrl DI84 BV269 Y00y Reverse 3point valve open Hardware value Bool R CoolHeatVlv_Op HW_Val DI85 BV270 Y00y Reverse 3point valve open Value Bool R CoolHeatVlv_Op...

Page 28: ...8 Y0ag Ziehl Abegg return fan electrical info Motr temperature C Real R MB_Devices FanElectricalInfo_Z A_2 MotTemp IR119 AV119 Y0ah Supply fan Value Bool R SupplyFan Ctrl DI5 BV172 Y0ah Modulating sup...

Page 29: ...dity setpoint Economy Real 50 0 rh 0 0 100 0 R W UnitSetP HumSetP Economy HR7 AV7 Z008 Humidity setpoint PreComfort Real 50 0 rh 0 0 100 0 R W UnitSetP HumSetP PreComfort HR8 AV8 Z009 Humidity setpoin...

Page 30: ...ed 0 StartMont h HR48 PIV48 Z00e Last day of period USInt 2 1 31 R W Scheduler_OnOffUnit Scheduler _1 VacationsSched 0 EndDay HR49 PIV49 Z00e Last month of period USInt 1 1 12 R W Scheduler_OnOffUnit...

Page 31: ...PIV77 Z00f Special month USInt 1 1 12 R W Scheduler_OnOffUnit Scheduler _1 SpecDaysSched 5 SpecialM onth HR78 PIV78 Z00f Unit status of the special day 0 OFF 1 ECONOMY 2 PRE COMFORT 3 COMFORT 4 AUTO...

Page 32: ...R210 PIV210 A042 Time minimum ON ON reheater device UInt 60 s 0 65535 R W ReHeatMinOnOnSameT HR211 PIV211 A043 Minimum reheater hot water valve Real 20 0 0 0 100 0 R W ReHW_MinPID HR212 AV212 A044 Min...

Page 33: ...Hours counter reverse 2nd step UDInt 0 0 999999 R W HC_Rev_2 MaintThrsh HR326 PIV326 C006 Hours counter reverse 2nd step Bool 0 1 R W HC_Rev_2 Res C38 BV814 C007 Reverse device 2nd step Manual value U...

Page 34: ...999 9 R W ManSupplyFanIdle HR151 AV151 D025 Delay to switch OFF supply fan UInt 70 s 0 65535 R W DOff_SupplyFan HR152 PIV152 D026 Delay between fan and damper UInt 15 s 0 65535 R W DT_Dmp HR153 PIV15...

Page 35: ...ating running Bool 0 1 R W FastHeatTrig C30 BV734 E032 Fast heating stop Bool 0 1 R W FastHeatStop C31 BV735 E033 Fast heating time UInt 1500 s 0 65535 R W FastHeatT HR272 PIV272 E034 Fast cooling thr...

Page 36: ...999 9 999 9 R W AI_ReadFnt 4 Param Min_Val HR781 AV781 Ga19 Analog input functions Maximum value Real 105 0 C 999 9 999 9 R W AI_ReadFnt 4 Param Max_Val HR782 AV782 Ga20 Analog input functions Offset...

Page 37: ...nt 0 0 70 R W AI_ReadFnt 15 Ch HR844 IV844 Ga72 Analog input functions Type USInt 43 0 50 R W AI_ReadFnt 15 Param Typ HR846 PIV846 Ga73 Analog input functions Minimum value Real 0 0 rh 999 9 999 9 R W...

Page 38: ...5 Analog input functions Offset Real 0 0 rh 99 9 99 9 R W AI_ReadFnt 25 Param Offset HR909 AV909 DIGITAL IN SET menu 6 10 2 Mask code Description Type Default UoM Range R W Variable Name BMS BacNet Di...

Page 39: ...s Priority USInt R DI_ReadFnt 20 Prio IR405 PIV405 Digital input functions Status Bool R DI_ReadFnt 20 Hw_Val DI270 BV1797 Gb39 Digital input functions Channel DInt 0 0 70 R W DI_ReadFnt 20 Ch HR948 I...

Page 40: ...ctions Channel DInt 0 0 50 R W DO_ReadFnt 15 Ch HR984 IV984 Gc30 Digital output functions Logic Bool FALSE 0 1 R W DO_ReadFnt 15 Logic C311 BV1870 Digital output functions Priority USInt R DO_ReadFnt...

Page 41: ...igital output functions Status Bool R DO_ReadFnt 35 Hw_Val DI308 BV1948 Gc69 Digital output functions Channel DInt 0 0 70 R W DO_ReadFnt 35 Ch HR1024 IV1024 Gc70 Digital output functions Logic Bool FA...

Page 42: ...72 PIV472 Analog output functions Request Real R AO_ReadFnt 10 Hw_Val IR473 AV473 Gd10 Analog output functions Channel DInt 0 0 60 R W AO_ReadFnt 10 Ch HR1066 IV1066 Analog output functions Priority U...

Page 43: ...s_PreHeat Economy_Ti HR1113 IV1520 H033 Modes set PID regulations PreHeat Real 5 0 999 9 999 9 R W PIDs_PreHeat Precomfort_Kp HR1132 AV1539 H034 Modes set PID regulations PreHeat Int 120 s 0 65535 R W...

Page 44: ...uration not allowed Alarm status Bool R Al_UnitCfgError Active DI1037 BV2068 I001 Recovery application code USInt 0 0 4 R W AppCode_Rec HR83 PIV83 I001 Application heating code USInt 0 0 4 R W AppCode...

Page 45: ...wing alarms log display screen The alarms log memorizes the kVent operation status when the alarms are triggered Each log entry is an even that can be displayed from among all of the events available...

Page 46: ...eset Stop humidifier Al_SupplyAirHum_Prb DI1036 BV1036 A037 Unit configuration not allowed Auto reset Stop unit Al_UnitCfgError DI1037 BV1037 A038 Supply fan Offline Auto reset Stop unit Al_Offline_ZA...

Page 47: ...current Auto reset Stop unit Al_LimMainsA_EBM_2 DI1107 BV1107 A108 Return fan Brake mode Auto reset Stop unit Al_BrakeMode_EBM_2 DI1108 BV1108 A109 Return fan Cable break Auto reset Stop unit Al_Cable...

Page 48: ...m the release 2 1 0 there is the possibility to setup a different PID values for each devices in base of the working mode set The enabling is manage under the menu Settings parameter H028 8 4 HEPA fil...

Page 49: ...ed the unit of measure from s to min on the time setting for the pump on the heating coils during the off time Fixed the DEV configuration changed FloatValve management now at the startup of the unit...

Page 50: ...ant value added all the masks to set up the PID parameters for each coils in base of the working mode added the fresh modulating damper Condensing Unit Management Add the RU language Add the CZ langua...

Page 51: ...kVent rel 3 1 22 06 2018 51...

Page 52: ...changes or modifications to its products without prior notice All trademarks hereby referenced are the property of their respective owners CAREL is a registered trademark of CAREL INDUSTRIES Hqs in It...

Page 53: ...kVent rel 3 1 22 06 2018 53 CAREL INDUSTRIES S p a Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 http www carel com e mail carel carel com...

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