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FREEWHT User Manual - Produktübersicht... ...www.delcocontrols

1. LED Meaning Steady ON Blinking Global alarm 3 No alarm active but at least one manual rearm Red At least one alarm is active os status alarm is waiting for reset Yellow Green ON OFF state Application state is ON 3 3 Main view When the device is switched on it displays the main view from which you can monitor the application state issue a few commands and enter the application menus FREEWHT User Manual 6 58 Overview of user interface s main view Main view s elements State icons overview State icons meaning Main view s elements are listed below 1 system date and time 2 feedback value read by the temperature probe if available and properly configured 3 feedback value read by the humidity probe if available and properly configured 4 temperature setpoint if thermoregulation is enabled 5 humidity setpoint if relative humidity regulation is enabled thermal profiles program status if enabled application status see below for details o Nn g analog output value if configured 9 button to enter stand by mode 10 button to switch on off light 11 button to issue a manual defrost request 12 button to open thermal profiles program control panel Start Stop Reset if enabled 13 button to show the list of all currently active alarms 3 3 1 Application status The main view depicts the application status including the state of the controller output
2. Menu Access ID Label Address Description Values Min Max Default U M EXP rights Thermal profiles gt 2P1 16627 Step duration step 2 Unsigned 16 bit 0 5999 60 min Step 2 Thermal profiles gt 2P2 16628 Relative humidity regulation mode step 2 0 Disabled 1 Neutral zone 2 Humidification 1 Step 2 only 3 Dehumidification only Thermal profiles gt 2P3 16629 Thermoregulation mode step 2 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 2 Cooling only 4 Heating and cooling from DI Thermal profiles gt 2P4 16630 Relative humidity setpoint step 2 Signed 16 bit 1023 LSH 1022 HSH 50 0 R H 1 Step 2 Thermal profiles gt 2P5 16631 Temperature 1 setpoint step 2 Signed 16 bit 1004 LSE 1003 HSE 0 0 1 Step 2 Thermal profiles gt 2P6 16632 Temperature 2 setpoint step 2 Signed 16 bit 1004 LSE 1003 HSE 0 0 CE 1 Step 2 Thermal profiles gt 2P7 16633 Enables ventilation fans relay step 2 Boolean 0 Step 2 Thermal profiles gt 2P8 16634 End step action step 2 1 End 2 Next continue 3 Next suspend 4 1 Step 2 Loop 5 Go to step 6 Everlasting Thermal profiles gt 2P9 16635 Jump back target step step 2 0 STEP 1 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 2 STEP 5 5 STEP 6 6 STEP 7 7 STEP 8 Thermal profiles gt 3P0 16636 Step activation delay step 3 Unsigned 16 bit 0 5999 0 min St
3. A A o et Off 1072 CON 1073 COF j 1072 CON 1073 COF Time 9 4 Programming Parameters related to ventilation fans can be viewed and configured in the folders the Ventilation fan folder in the installer menu 1072 CON and 1073 COP the Configuration folder in the installer menu 1159 H11 1160 H12 and 1168 H26 1169 H27 FREEWHT User Manual 24 58 Start up time Cut off bypass time 10 ANALOG OUTPUT The application manages one analog output ad the output of a widely parametric cut off regulator As an example the regulator may be used to regulate the fan unit on the outside of the heat exchanger that normally serves as a condenser Various types of fan pilot modules can be connected depending on relative availability and the setting of analog output BIOS parameter see FREE Evolution Installation Manual for details 10 1 Physical configuration The cut off regulator is bound to analog output AO1 not configurable 10 2 Operating conditions The cut off regulator associated to analog output is enabled if the following conditions hold application is ON regulator has been enabled by setting parameter 1051 F00 properly and Pb4 probe is enabled too parameter 1183 H44 Disabled either the cut off regulator is independent of the compressor 1067 F16 Not active or there is a switch on request coming from the compressor 10 3 Operating modes 10 3 1 Start up tim
4. defrost dripping settings 5 1 Compressor configuration For information about connecting the compressor to the device refer to FREE Evolution Installation Manual The compressor is bound to relay DOA Relay polarity is fixed 5 2 Compressor operating conditions The regulator is activated provided that application state is ON alarm E1 is not active cell temperature probe Pb1 error the time set in parameter 1014 ODO has elapsed a defrost cycle is not active FREE mode excluded see parameter 1028 DTY The parameters of this regulator are SET1 setpoint which can be chosen in a range defined by a minimum setpoint and a maximum setpoint parameters 1004 LSE e 1003 HSE differential parameter 1002 DIF The diagram below indicates the compressor activation mode for cooling based on the SET1 and 1002 DIF gt 0 parameter A DO4 SETI On Off 1002 DIF emperature E EX Pb1 5 2 1 Compressor protection in the event of probe failure duty cycle If the cold room probe Pb1 fails alarm E1 the output configured as compressor regulates in accordance with the times set in parameters 1009 ONT and 1010 OFT The first time to consider is 1009 ONT If 1009 ONT gt O the protection programmed in parameters 1011 DON 1012 DOF 1013 DBI must be respected see Compressor safety times The table below lists the ways the compressor relay output can be managed 1009 ONT 1010
5. free Evolution FREEWHT Amm x 0023S 11111430009 4 ee ee PLC application for seasoning cycle cells TABLE OF CONTENTS 1 How to se thiss Mana dui ias 4 Za INTO UICN a A E 5 2 1 General description NN 5 3 Userinterfdceztatasielas tee iint nid ai add ORE 6 3 1 3 2 BES MaN VEW E 3 3 1 Application status 3 3 0 Changing setpoint 3 4 Mali merui poe Ded ER ee eti De e e D td ened Rc E RE Des EE O 9 316 Language selection Me sura A E AIRRA 10 3 7 Parameters menus ae ege te ite to reete a c re e ERR ARR cei Pepe OR 10 4 VO Configuration eee bt 11 4 17 Analog Input COnfTIBUratlOn s uite c Rh DO E CR i e READ a tete e a ect 11 4 2 DigitalInput config ratlori 3 hee e D Utt t gan be eme eere 11 4 3 Digital output relay configuration 12 44 Analog output CONTISUTAION iii ette 12 4 5 Communication channels configuration eese tente ias aeai aaia a EE i en tton ttn a Ea nennen tentent 13 XB Cc Em 14 5 1 Compressor config ratlons ie eoe ee tos debe ped abut moe ip ets e o robot peus 14 5 2 Compressor operating conditoris eletti pae ie c dette epe d bh perse ei dea eee tuos 14 5 2 1 Compressor protection in the event of probe failure duty CYCLE eesessessescsecsecseeseecsccucesecssccuecsecseenscsuccuccseessec
6. FREEWHT User Manual 11 58 Digital input polarity Digital input priority A Digital output configuration Analog output physical configuration Value Description Notes 7 Stand by 11 Pressure switch 14 Light relay activation 15 Ventilation fans relay activation 18 Panic alarm 20 Heating Cooling mode selection 21 Start Stop thermal profiles program Toggle mode Digital input polarity is configured according to the following rules Value Description NO Positive Active when contact is open Normally Open NC Negative Active when contact is closed Normally Closed If both 1159 H11 and 1160 H12 are set to the same value digital input 1 takes the priority over digital input 2 that is digital input 2 is ignored 4 3 Digital output relay configuration Please refer to FREE Evolution Installation Manual for the available number of relays and their capacity and for the meaning of the symbols found on labels supplied with the device The following table explains the meaning the application assigns to FREE Evolution programmable controller s digital outputs and the parameters used to configure them Description Meaning Configuration Default Digital output 1 Humidifier Fixed not configurable DO1 Digital output 2 Heater Fixed not configurable DO2 Digital output 3 Dehumidifier Electric defrost relay
7. Defrost Evarorator fan Display Compressor Humidity Defrost Evarorator fan Analog output gt TX Uentilation fan Alarms Light amp D I s Display Configuration Sub menu contents also depends upon access rights FREEWHT User Manual 10 58 Probes Probe association to analog input Analog input physical configuration Digital input configuration table 4 1 0 CONFIGURATION Please refer to FREE Evolution Installation Manual for important information about electric connections between the FREE Evolution programmable controller and devices connected to its 1 0 Device configuration is determined by the values of I O configuration parameters available in the configuration menu 4 1 Analog Input configuration The application uses four probes whose meaning to the application is discussed in the following table Probe Meaning Pb1 Cell temperature thermoregulation Pb2 Evaporator temperature defrost Pb3 Cell relative humidity relative humidity regulation Pb4 Cut off regulator feedback Probes Pb1 Pb4 are associated to FREE Evolution controller s analog inputs by means of 1180 H41 1183 H44 parameters The same analog input can be assigned to more than one logical probe For example it is possible to use the same feedback for both thermoregulation Pb1 and the cut off regulator regulating the analog output Pb4 The table below lists default values for parameter
8. FUB eee M i p 1068 F T A 1060 F09 1057 F06 f OFF i gt 1064 F13 Pb4 E n i 1065 F14 1062 F11 1061 F10 The following diagram refers to heating mode 1052 F01 Heat AO1 4063 F12 1059 F08 1058 F07 4 1060 F09 1057 F06 p pS OFF 1064 F13 Pb4 1062 F11 d 1065 F14 1061 F10 10 4 Programming Cut off regulator parameters can be viewed and configured in the Analog output folder of the installer menu 1051 FOO 1071 F20 the Configuration folder of the installer menu parameter 1183 H44 FREEWHT User Manual 26 58 Pressure switch event effect Pressure switch event count Pressure switch alarm 11 PRESSURE SWITCH The application performs diagnostic operations over a digital input associated via a configuration table It is activated by setting paramters 1159 H11 1160 H12 11 11 1 Operating modes If the pressure switch input is activated power to the compressor is immediately cut off the relative alarm LED lights up to indicate this visually and the alarm folder also displays the proper error message Pressure switch diagnostics is configured by means of parameters 1115 PEN and 1116 PEI The time 1116 PEI is counted down starting at the first pressure switch event An alarm is generated only if the maximum number of events 1115 PEN is reached before the time set in parameter 1116 PEI elapsed
9. On completion of the defrost cycle the solenoid valve relay is switched off and the dripping set in parameter 1044 DT in enabled if not equal to zero The compressor relay is once again controlled by the compressor regulator Parameters 1011 DON 1012 DOF 1013 DBI see Compressor safety times have priority 7 2 4 Defrost in FREE mode Defrost cycle in FREE mode is configured by setting parameter 1028 DTY Free The compressor remains under the control of the compressor regulator for the duration of the defrost cycle and the relay configured as defrost and that the defrost heaters are connected to activates The heaters are switched off on completion of the defrost cycle During dripping the compressor continues to regulate 7 2 5 Defrost regulator protection and constraints If the defrost cycle does not terminate on reaching the end of defrost temperature set in parameter 1034 DST a maximum defrost time interval can be set in parameter 1189 DET If the defrost cycle terminates for timeout an alarm can be activated by configuring parameter 1095 DAT see defrost timeout alarm Defrost can only be terminated manually by switching the controller on and off again using the ON OFF function Moreover some alarms may be excluded for a certain amount of time after the defrost cycle ends In the event of error E1 cold room probe Pb1 error defrost cycles will not be run FREEWHT User Manual 22 58 Evaporator fans relay Enabl
10. Time graphs for signals in each of the various function modes are presented below IN Defrost request Output state for defrost regulator OUT Note that 1034 DST indicates defrost end due to temperature setpoint fulfillment IN 4 pa dEl dEt Defrost is activated on the rising edge Hence you can only activate a defrost not stop one that is underway Defrost and dripping currently underway and the defrost or dripping interval count cannot be suspended 7 2 Defrost modes Defrost can be activated in four ways as set in parameter 1028 DTY Whatever the case defrost is terminated when the following conditions hold FREEWHT User Manual 20 58 1181 H42 Termination conditions Disabled After the timeout set in parameter 1189 DET defrost timeout occurred Evaporator probe not present After reaching defrost end temperature set in parameter 1034 DST If the temperature is not reached before the time set in parameter 1189 DET defrost timeout elapses defrost is terminated Disabled evaporator probe present 7 2 1 Defrost with compressor stopped DEFAULT The defrost cycle with the compressor stopped is configured by setting parameter 1028 DTY Electric Compressor stops for the duration of the defrost and defrost relay does not exist parameter H22 Electric defrost On completion of defrost the compressor relay stays off during the drip
11. Working days Defrost times gt DE7 16606 Defrost starting time no 7 on working days Signed 16 bit 0 1440 1440 Working days Defrost times gt DE8 16607 Defrost starting time no 8 on working days Signed 16 bit 0 1440 1440 Working days Defrost times gt F1 16608 Defrost starting time no 1 during weekend Signed 16 bit 0 1440 1440 Weekend Defrost times gt F2 16609 Defrost starting time no 2 during weekend Signed 16 bit 0 1440 1440 Weekend Defrost times gt F3 16610 Defrost starting time no 3 during weekend Signed 16 bit 0 1440 1440 Weekend Men Access ID Label Address Description Values Min Max Default U M EXP rights Defrost times gt F4 16611 Defrost starting time no 4 during weekend Signed 16 bit 0 1440 1440 Weekend Defrost times gt F5 16612 Defrost starting time no 5 during weekend Signed 16 bit 0 1440 1440 Weekend Defrost times gt F6 16613 Defrost starting time no 6 during weekend Signed 16 bit 0 1440 1440 Weekend Defrost times gt F7 16614 Defrost starting time no 7 during weekend Signed 16 bit 0 1440 1440 Weekend Defrost times gt F8 16615 Defrost starting time no 8 during weekend Signed 16 bit 0 1440 1440 Weekend Thermal profiles gt 1P0 16616 Step activation delay step 1 Unsigned 16 bit 0 5999 0 min Step 1 Thermal profiles gt 1P1 16617 Step duration step
12. in this case compressor evaporator fans and defrost output are disabled and manual rearm of the alarm condition is required If the number of activations does not exceed the number set in parameter 1115 PEN in the time interval set in parameter 1116 PEI alarm condition is automatically rearmed If 1115 PEN 0 pressure switch diagnostics is inhibited 11 1 1 Alarm reset Once the controller is in alarm state it must be powered off and then powered on again or a reset request may be issued from either the active alarms menu or the functions menu FREEWHT User Manual 27 58 Configurazione regolazione umidit relativa Humidifier relay Humidification diagram 12 HUMIDITY 12 1 Operating conditions Relative humidity regulation humidification and dehumidification is enabled provided that application is ON regulation is enabled by setting 1154 H05 according to the following table and probe Pb3 is enabled too parameter 1182 H43 Disabled 1154 H05 Humidification Dehumidification Disabled Disabled Disabled Neutral zone Enabled Enabled Humidification Enabled Disabled Dehumidification Disabled Enabled alarm E3 is not active humidity probe Pb3 error during defrost regulation is not excluded by means of parameter 1024 DEH 12 2 Humidification Application accomplishes the humidification task by means of an ON OFF regulator with differential The regulator output is bou
13. 5 11 11 11 Humidity Humidity e 2 5 e 5 5 Defrost Defrost e 4 7 e 7 7 Evaporator fans Evaporator fan e 7 8 e 8 8 Analog output Analog output N A 0 18 e 18 18 Ventilation fans Ventilation fan N A 0 2 e 2 2 Alarms Alarms N A 0 18 e 18 18 Se Light amp D L s NA 0 5 5 5 Display Display 1 2 e 2 2 Configuration Configuration N A 0 12 e 12 12 15 11 2 Parameter table The table below lists all application configuration parameters stored in the device s permanent memory and their visibilities Column meaning Column Meaning Menu Menu containing the parameter Access rights Required access rights to view edit parameter Abbreviation Required access rights None parameter is available in non protected menus USR INS Parameter is available both in the user menu and in the installer menu INS Parameter is only available in the installer menu ID Parameter unique identifier ID as it is displayed in the application menu Label Parameter label as it is displayed in the application menu Address Only when accessing the parameter through fieldbus communication protocols with software tools not included in Eliwell FREE Studio Parameter address for access through communication protocol either Modbus or CANopen Description Parameter description Values Parameter data type that determines the range of the allowed values for the parameter to be
14. 7 7 STEP 8 Thermal profiles gt 6PO 16666 Step activation delay step 6 Unsigned 16 bit 0 5999 0 min Step 6 Thermal profiles gt 6P1 16667 Step duration step 6 Unsigned 16 bit 0 5999 60 min Step 6 Thermal profiles gt 6P2 16668 Relative humidity regulation mode step 6 0 Disabled 1 Neutral zone 2 Humidification 1 Step 6 only 3 Dehumidification only Thermal profiles gt 6P3 16669 Thermoregulation mode step 6 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 6 Cooling only 4 Heating and cooling from DI Thermal profiles gt 6P4 16670 Relative humidity setpoint step 6 Signed 16 bit 1023_LSH 1022 HSH 50 0 R H 1 Step 6 Thermal profiles gt 6P5 16671 Temperature 1 setpoint step 6 Signed 16 bit 1004_LSE 1003_ HSE 0 0 eC 1 Step 6 Thermal profiles gt 6P6 16672 Temperature 2 setpoint step 6 Signed 16 bit 1004 LSE 1003 HSE 0 0 AC 1 Step 6 Thermal profiles gt 6P7 16673 Enables ventilation fans relay step 6 Boolean 0 Step 6 Thermal profiles gt 6P8 16674 End step action step 6 1 End 2 Next continue 3 Next suspend 4 1 Step 6 Loop 5 Go to step 6 Everlasting Men Access ID Label Address Description Values Min Max Default U M EXP rights Thermal profiles gt 6P9 16675 Jump back target st
15. Active humidity I Time I I regulator Delay1 1 Endurance 1 I Endurance 2 l Endurance 3 l l l I l I l l 1 1 1 Step1 Step2 Step3 FREEWHT User Manual 32 58 Alarm condition display 14 ALARMS AND DIAGNOSTICS The application is able to perform complete diagnostics of the system and report any operating trouble with specific alarms Alarms are always reported by alarm con shown on the display FREE Evolution programmable controller s alarm LED 14 1 Probe error Probe errors are caused by measured values are outside the nominal range probe faulty short circuited open Active probe errors are displayed in the active alarm menu The table below lists probe errors Error code Probe error Effect El Probe Pb1 error cell temperature compressor duty cycle according to parameters 1009 ONT and 1010 OFT heating regulator disabled high low temperature diagnostics is disabled currently active step of the thermal profiles program is forced to stop if it is configured with unlimited duration termination after reaching temperature setpoint E2 Probe Pb2 error evaporator temperature defrost termination due to timeout not because temperature setpoint has been reached evaporator fans regulation depends upon compressor state E3 Probe Pb3 error cell relative humidity relative humidity regulation disabled high low humidity diagnostics is disabled E4 Probe Pb4 e
16. Configurable parameter H22 Dehumidifier DO3 Digital output 4 Compressor Fixed not configurable DO4 Digital output 5 Evaporator fans Fixed not configurable DOS Digital Confi bl ter 1168 output 6 Disabled Light Ventilation fans di um joda Luce DO6 Digital Confi bl ter 1169 output 7 Disabled Light Ventilation fans ee a Disabled DO7 4 4 Analog output configuration Application manages one analog output as the output of a widely parametric cut off regulator Physical characteristics type On Off voltage current etx of FREE Evolution programmable controller s analog output are set by means of its BIOS parameters discussed in FREE Evolution Installation Manual and available in the BIOS parameters menu accessed from the main menu FREEWHT User Manual 12 58 4 5 Communication channels configuration BIOS parameters menu available in the application main menu gives access also to configuration parameters of the communication channels available on the FREE Evolution programmable controller See FREE Evolution Installation Manual for details FREEWHT User Manual 13 58 Compressor relay Compressor regulation diagram 1009 ONT e 1010 OFT parameters Compressor duty cycle 5 COMPRESSOR The compressor is controlled by one of the device s digital output It will be switched on or off depending on the temperature measured by probe Pb1 thermoregulation settings
17. OFT DO4 0 0 Off 0 20 Off 20 0 On gt 0 gt 0 Duty Cycle If 1009 ONT gt 0 and 1010 OFT gt 0 the compressor regulator activates in operating cycle mode irrespective of the FREEWHT User Manual 14 58 Compressor duty cycle diagram Off on timing On on timing Delay Diagram of compressor safety times values read by the probes cold room probe failure and of requests from other utilities duty cycle mode If the cold room probe is working properly the duty cycle mode does not start as it does not have priority over normal compressor regulation settings A DO4 Off 1009 ONT 1010 OFT 1009 ONT 1010 OFT Time You are reminded that parameter 1014 ODO inhibits the activation of all outputs commanding a relay for its entire duration compressor defrost fans etc 5 2 2 Compressor safety times Compressor on off operations must respect the safety times that you can set using the special parameters as described below The compressor LED will flash to indicate when an activate compressor request has been received but a safety protection exists A safety time compressor on off safety time regulated by the parameter 1012 DOF must be respected between a switch off and switch on of the same compressor This waiting time also occurs when the controller is powered on A safety time compressor on on safety time regulated by the parameter 1013 DBI must be respected between one swi
18. Physical Configura ni T ees re AR 8 2 Operating conditions T 8 3 Operating MOd6S ii eee e tete eee dete ce QE e ae DA Pe e eed eR AR DA dde oe trei 9 e Ventilation Fans et ette A t tg cashier ett t ete p eene 9 1 Physical configuration ia 9 2 Operating o ii Rd 9 3 Operating MO Sii DA Prograrmimlitig co ro o RA PER eec e AO e Ra D odds TO Analog output caian sai dida did nella itis niei Mud 10 1 Physical configuration ret n ee eee Eo ee at AA ee nse e E Reda Hte 10 2 Operating conditoris rtt b abe Rz Rn Ha eH RO t goce dtinas 10 3 Operating modes ee eR aa em el te ep p ap em ptc ed meets LOUER n A RN 10 3 2 Regulation ON COMPRES Tegueste teret ett RARE 25 10 3 3 Cut off bypass times eee Rte a 25 10 34 Pre ventilatiOri oil 25 10 3 5 Regulati eee dee eet e die ee MT OD e HD D eee ete tH RES 25 US EN dor roa ue o tee 26 TT SPress re SwItch uterentur ete ete CE E See Ei eee eee te e eee te eed os 27 11 1 Operating modes EUR Ai 27 11 1 1 Alarm reset 227 PETI 28 1251 Operating coniditiOrs ena eee eret dete etie nete E cbe oe hee Be aaa eus 28 12 2 NN 28 12 2 1 Physical configuration 28 12 2 2 Operating modes 12 3 Dehumidification 28 12 31 li AAA A e ree e nere eee eee ted teet ON RS AN REN Ee Een 28 123 2 Physical contiguratlon 5 E E E e ed e eos 29 123 3 Operating MOJ IC 29 124 Programming so
19. further refined by the limits shown in Min and Max columns and the need to apply a conversion only when accessing the parameter through fieldbus communication protocols with software tools not included in Eliwell FREE Studio because the value is signed number FREEWHT User Manual 44 58 Column Meaning For example in case you access to a 16 bit integer parameter by means of a communication protocol you have to apply the following conversion if the value read is between 0 and 32767 the result is equal to the value read zero and positive values if the value read is between 32 768 and 65 535 the result is the value read 65 536 negative values Min Minimum value you can assign to the parameter Max Maximum value you can assign to the parameter Default Default parameter value set by FREE Studio Device when downloading the application to the FREE Evolution programmable controller U M Unit of measurement EXP Only when accessing the parameter through fieldbus communication protocols with software tools not included in Eliwell FREE Studio If EXP 1 the value read by means of a fieldbus communication protocol has to be divide by 10 value 10 in order to convert it to the scale in which Min Max Default values are given in the table according to the U M column Example parameters HSE 50 0 Column EXP 1 value shown on the display read by FREE Studio Device is 50 0 valu
20. mode If 1028 DTY Electric electric defrost OFF Cycle defrost that is compressor not running during defrost NOTE electrical defrost air defrost in the case of fans in parallel with the defrost output relay If 1028 DTY Cycle inversion cycle inversion defrost hot gas or compressor running during defrost If 1028 DTY Free defrost with Free mode independent of compressor status Time interval Time interval between the start of two subsequent defrosting cycles Times are expressed in hours This parameter is used in automatic defrosts at fixed intervals If 1029 DIT 0 there is no automatic defrost defrost in never executed Counting type Selects the count mode for the defrost interval If 1032 DCT Compressor up time DIGIFROSTO method counter is incremented only with the compressor on Compressor running time is counted separately from the evaporator probe count active if evaporator probe missing or faulty If 1032 DCT Unit up time defrost count is always active when the application is on If 1032 DCT On compressor stop a defrost cycle is run at each compressor stop depending on the parameter 1028 DTY If 1032 DCT Clock a defrost cycle is run at each time set in the defrost times menu Power on exclusion Defrost exclusion time after switching on application Timeout FREEWHT User Manual 38 58 1034 DST 1036 DPO 1040 FST 1042 FAD 1043 FDT 1044 DT 1045 DFD 104
21. off delay 1105 DLT is active Light amp D l s INS 1115 PEN 16499 Number of pressure switch events allowed Unsigned 16 bit 0 15 15 Light amp D l s INS 1116 PEI 16500 Pressure switch event count time interval Unsigned 16 bit 1 99 99 min Display USR INS 1122 PA1 16506 User password String 10 Display INS 1123 PA2 16509 Installer password String 20 Configuration INS 1154 H05 16542 Relative humidity regulation mode 0 Disabled 1 Neutral zone 2 Humidification 1 only 3 Dehumidification only Configuration INS 1156 H07 16544 Thermoregulation mode 0 Disabled 1 Neutral zone 2 Heating only 3 1 Cooling only 4 Heating and cooling from DI Configuration INS 1158 H09 16546 Dehumidification mode 0 Relay only 1 Relay and compressor 2 No 0 relay heating and cooling Configuration INS 1159 H11 16547 Digital input 1 configuration 0 Disabled 1 NO Defrost request 1 NC 4 Defrost request 2 NO Economy 2 NC Economy 4 NO Door switch 4 NC Door switch 5 NO Menu Access rights Label Address Description Values Min Max Default U M EXP External alarm 5 NC External alarm 7 NO Stand by 7 NC Stand by 11 NO Pressure switch 11 NC Pressure switch 14 NO Light 14 NC Light 15 NO Ventilation 15 NC Ventilation 18 NO Panic 18 NC Panic 20 N
22. the analog output bound to the cut off regulator is forced to minimum level given in parameter 1057 F06 Maximum level differential Differential relative to the setpoint given in parameter 1060 F09 at which the cut off regulator forces the analog output to the maximum level Proportional band Cut off regulator proportional band Maximum level hysteresis Maximum Medium level of the analog output bound to the cut off regulator hysteresis width Cut off hysteresis Cut off hysteresis width Cut off differential Differential relative to the setpoint given in parameter 1060 F09 at which the cut off regulator forces the analog output to off cut off While defrosting Determines whether cut off regulator is enabled or disabled during defrost If 1066 F15 Not active cut off regulator is disabled during defrost 11066 F15 Active cut off regulator is enabled during defrost If compressor off Enable Disabled cut off regulator when compressor is off If 1067 F16 Not active cut off regulator is disabled when compressor is off If 1067 F16 Active cut off regulator is enabled when compressor is off After defrost exclusion After defrost exclusion time of the cut off regulator Cut off bypass time Cut off bypass time Pre ventilation Pre ventilation time If probe KO State of the analog output bound to the cut off regulator in case of regulation probe error If 1071 F20 Not active analog output is forced
23. to maximum level Analog output INS 1057 F06 16441 Minimum level percentage of analog Signed 16 bit 0 100 30 output bound to the cut off regulator Analog output INS 1058 F07 16442 Medium level percentage of analog Signed 16 bit 0 100 95 output bound to the cut off regulator Analog output INS 1059 F08 16443 Maximum level percentage of analog Signed 16 bit 0 100 100 output bound to the cut off regulator Analog output INS 1060 F09 16444 Cut off regulator setpoint Signed 16 bit 50 0 99 9 30 0 1 Analog output INS 1061 F10 16445 Maximum level differential Signed 16 bit 0 0 99 9 10 0 1 Analog output INS 1062 F11 16446 Cut off regulator proportional band Signed 16 bit 0 0 25 5 7 0 1 Menu Access ID Label Address Description Values Min Max Default U M EXP rights Analog output INS 1063 F12 16447 Maximum level hysteresis Signed 16 bit 0 0 25 5 2 0 1 Analog output INS 1064 F13 16448 Cut off hysteresis width Signed 16 bit 0 0 25 5 2 0 1 Analog output INS 1065 F14 16449 Cut off differential Signed 16 bit 0 0 25 5 3 0 1 Analog output INS 1066 F15 16450 Determines whether cut off regulator is 0 Not active 1 Active 1 enabled or disabled during defrost Analog output INS 1067 F16 16451 Enable Disabled cut off regulator when 0 Not active 1 Active 1 compressor is off Analog output INS 1068 F17 16452 After defrost exclu
24. 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 8 STEP 5 5 STEP 6 6 STEP 7 7 STEP 8 ALPHABETICAL INDEX A access rights dee t rie etia e den o gea LOG OUE is ete eet ime de ite te ee 10 O ER PHONE HERD EIER 10 MANS A EE EB ad dd alarm condition display s seeteettetententetenn 33 A A EEE 34 analog Inputs e cR t OE RE etie 11 analog OUDHlL oie tet bot rider Fer retra 12 automatic defrost eese 19 C communication channels esses eene 13 COMPUCSS OF sisi ces epe o las 14 QUty CyCle sit in 14 protection in the event of probe failure sss 14 de ES 14 AA oL eo es ess 15 cut off regulator s e eed esi edet 25 cut off bypass time essent ET 25 pre ventilatiOn ue oe n e DW D NR 25 AAA A NERA e IRR IA PORE 25 D defrost esses 19 defrost times menu FREE mode 22 hot gas 0 22 termination condition 20 timeout sss 22 with compressor stopped ll with electrical heaters sese 21 dehumidification sa vetet ene Qe Ilo ERROREM Rh xpi Se xeu eh re VARIES TUTO 29 digital input s dee eter t fe Rte eene toad 11 polarity w12 priority digital outil stre dd ss 12 FIDDINoQ a sn tei ee i eee S ER ERIT E ERR 19 E evaporator fans sesenta 23 A A e en uM M Ades M a LE 23 th
25. 1 Unsigned 16 bit 0 5999 60 min Step 1 Thermal profiles gt 1P2 16618 Relative humidity regulation mode step 1 0 Disabled 1 Neutral zone 2 Humidification 1 Step 1 only 3 Dehumidification only Thermal profiles gt 1P3 16619 Thermoregulation mode step 1 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 1 Cooling only 4 Heating and cooling from DI Thermal profiles gt 1P4 16620 Relative humidity setpoint step 1 Signed 16 bit 1023_LSH 1022 HSH 50 0 R H 1 Step 1 Thermal profiles gt 1P5 16621 Temperature 1 setpoint step 1 Signed 16 bit 1004_LSE 1003_ HSE 0 0 C 1 Step 1 Thermal profiles gt 1P6 16622 Temperature 2 setpoint step 1 Signed 16 bit 1004_LSE 1003_ HSE 0 0 o 1 Step 1 Thermal profiles gt 1P7 16623 Enables ventilation fans relay step 1 Boolean 0 Step 1 Thermal profiles gt 1P8 16624 End step action step 1 1 End 2 Next continue 3 Next suspend 4 1 Step 1 Loop 5 Go to step 6 Everlasting Thermal profiles gt 1P9 16625 Jump back target step step 1 0 STEP 1 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 1 STEP 5 5 STEP 6 6 STEP 7 7 STEP 8 Thermal profiles gt 2P0 16626 Step activation delay step 2 Unsigned 16 bit 0 5999 0 min Step 2
26. 6 FCO 1047 FOD 1048 FDC 1051 F00 1052 F01 Defrost timeout Determines the maximum duration of defrosting in minutes Stop temperature Defrost stop temperature measured by defrost probe At power on Determines if a defrost cycle has to run when the application is switched on If 1036 DPO Not required defrost not run at start up If 1036 DPO Required defrost run at start up 15 4 Evaporator fans Stop temperature Fan stop temperature if the evaporator probe reads a higher value than the set value the fans are stopped The value can be positive or negative Temperatures are expressed in absolute values Differential Fan activation differential relative to stop temperature given in parameter 1040 FST Delay time Fan activation delay after a defrosting cycle Drainage time After a defrost cycle the fans and compressor remain off for the time set in this parameter While defrosting Allows exclusion of the evaporator fans to be selected or not selected during defrosting If 1045 DFD Not active fans are off during defrost If 1045 DFD Active evaporator fans regulation is active during defrost If compressor off Selects or not fan deactivation at compressor OFF If 1045 FCO Off evaporator fans are off if compressor is off If 1045 FCO Thermostat controlled evaporator fans are independent of compressor state Value 1045 FCO Duty cycle is not used If door open Selects fan deact
27. Functions associated to keys LED meaning 3 USER INTERFACE The front panel of the device functions as user interface and is used to perform all operations relating to the device 3 1 Keys FREE Evolution programmable controller has 5 keys Each key is associated with a direct action simply bound to the key press a function associated to a long key press press and hold for about 3 seconds The action function associated to a key depends on the currently displayed menu according to the following table Key Single press Edit mode Long key press UP Select previous element Decrement value 9t selected digit Default behavior Increment value of DOWN Select next element selected digit Password entry oe menu Default behavior ipu element LEFT ESC A Parameters Back to previous page melee next digit i Dat Back to previous page menu without saving Thermal profiles Reset thermal profiles program control panel program Default behavior Select next element Default behavior States Parameters RIGHT menu Select previous digit Open main Main view Thermal profiles Start Stop thermal meny program control panel profiles program ENTER Enter edit mode Enter sub menu Trigger E ae action associated to a button 3 2 LED The FREE Evolution programmable controller has three LEDs two of which are use by the application with the meaning shown in the following table
28. HA FREEWHT User Manual 35 58 Power on exclusion Alarm exclusion after door closure Alarm signal delay OFF ON OFF SAH LHA SAH HHA SRH Using parameter 1093 PAH you can set an exclusion time for high low relative humidity alarms following the device power on Using parameter 1094 OAH you can set an exclusion time for high low relative humidity alarms following the door closure During the time intervals defined by parameters 1093 PAH 1094 OAH the regulator is disabled and any relative humidity alarms are not signaled Using parameter 1092 AOH you can set a delay for the signaling of the alarm when it occurs FREEWHT User Manual 36 58 1002 DIF 1003 HSE 1004 LSE 1005 OSP 1006 HC 1009 ONT 1010 OFT 1011 DON 15 PARAMETERS Parameters can be set to fully configure the application They can be modified with the application user interface a Personal Computer and the FREE Studio Device software tool The following sections analyze each parameter divided into categories folders in detail The parameters are listed below in tables Each parameter is identified on the display as follows Comer 1002 DIF Differential ac A Y where Compressor indicates folder 1 11 1 indicates the number of the parameter 11 the total number of parameters displayed in the folder this number depends on whether the menu is accessed from the Us
29. O Heat Cool 20 NC Heat Cool 21 NO AUTO mode request 21 NC AUTO mode request Configuration INS 1160 H12 16548 Digital input 2 configuration 0 Disabled 1 NO Defrost request 1 NC Defrost request 2 NO Economy 2 NC Economy 4 NO Door switch 4 NC Door switch 5 NO External alarm 5 NC External alarm 7 NO Stand by 7 NC Stand by 11 NO Pressure switch 11 NC Pressure switch 14 NO Light 14 NC Light 15 NO Ventilation 15 NC Ventilation 18 NO Panic 18 NC Panic 20 NO Heat Cool 20 NC Heat Cool 21 NO AUTO mode request 21 NC AUTO mode request Configuration INS H22 16556 Digital output 2 configuration 1 Dehumidifier 2 Electric defrost Configuration INS 1168 H26 16557 Digital output 6 configuration 0 Disabled 7 Light 11 Ventilation fan Configuration INS 1169 H27 16558 Digital output 7 configuration 0 Disabled 7 Light 11 Ventilation fan Configuration INS 1180 H41 16569 Probe 1 configuration 0 Disabled 1 Analog input 1 2 Analog input 2 3 Analog input 3 4 Analog input 4 5 Analog input 5 6 Analog input 6 Configuration INS 1181 H42 16570 Probe 2 configuration 0 Disabled 1 Analog input 1 2 Anal
30. SR INS 1036 DPO 16420 Determines if a defrost cycle has to run 0 Not required 1 Required 0 when the application is switched on Evaporator fan USR INS 1040 FST 16424 Fan stop temperature Signed 16 bit 302 0 1472 0 6 0 C 1 Evaporator fan USR INS 1042 FAD 16426 Fan activation differential Signed 16 bit 1 0 50 0 1 0 C 1 Evaporator fan USR INS 1043 FDT 16427 Fan activation delay after a defrosting cycle Unsigned 16 bit 0 255 0 min Evaporator fan USR INS 1044 DT 16428 Drainage time Unsigned 16 bit 0 255 0 min Evaporator fan USR INS 1045 DFD 16429 Allows exclusion of the evaporator fans to 0 Not active 1 Active 1 be selected or not selected during defrosting Evaporator fan USR INS 1046 FCO 16430 Selects or not fan deactivation at 0 Off 1 Thermostat controlled 2 Duty cycle 1 compressor OFF Evaporator fan USR INS 1047 FOD 16431 Selects fan deactivation when the door is 0 Not active 1 Active 1 opened and fan restart when the door is shut if they were running Evaporator fan INS 1048 FDC 16432 Fan switch off delay after compressor stop Unsigned 8 bit 0 99 0 min in minutes Analog output INS 1051 F00 16435 Enable Disable cut off regulator 0 Disable 1 Enable 0 Analog output INS 1052 F01 16436 Cut off regulator operating mode 0 Heating 1 Cooling 1 heat cool Analog output INS 1054 F03 16438 Start up time during which the analog Unsigned 16 bit 0 60 10 S output bound to the cut off regulator is forced
31. TEP 6 6 STEP 7 7 STEP 8 Thermal profiles gt 8PO 16686 Step activation delay step 8 Unsigned 16 bit 0 5999 0 min Step 8 Thermal profiles gt 8P1 16687 Step duration step 8 Unsigned 16 bit 0 5999 60 min Step 8 Thermal profiles gt 8P2 16688 Relative humidity regulation mode step 8 0 Disabled 1 Neutral zone 2 Humidification 1 Step 8 only 3 Dehumidification only Thermal profiles gt 8P3 16689 Thermoregulation mode step 8 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 8 Cooling only 4 Heating and cooling from DI Thermal profiles gt 8P4 16690 Relative humidity setpoint step 8 Signed 16 bit 1023_LSH 1022 HSH 50 0 R H 1 Step 8 Menu Access ID Label Address Description Values Min Max Default U M EXP rights Thermal profiles gt 8P5 16691 Temperature 1 setpoint step 8 Signed 16 bit 1004_LSE 1003_ HSE 0 0 C 1 Step 8 Thermal profiles gt 8P6 16692 Temperature 2 setpoint step 8 Signed 16 bit 1004 LSE 1003 HSE 0 0 C 1 Step 8 Thermal profiles gt 8P7 16693 Enables ventilation fans relay step 8 Boolean 0 Step 8 Thermal profiles gt 8P8 16694 End step action step 8 1 End 2 Next continue 3 Next suspend 4 1 Step 8 Loop 5 Go to step 6 Everlasting Thermal profiles gt 8P9 16695 Jump back target step step 8 0 STEP 1
32. able describes the parameters defining the application behavior when a thermal profiles program step is active Parameter Description Meaning nPO Step activation delay Step activation delay in minutes after a START event Determines the step duration in minutes nP1 Step duration If nP1 0 step stops when the temperature setpoint is reached does not stop due to a timeout Relative humidity regulation Determines the relative humidity regulation type while the step is nP2 type active overwrites parameter 1154 H05 A Determines the thermoregulation type while the step is active nP3 Thermoregulation type g yp overwrites parameter 1156 H07 nP4 Humidity setpoint Determines the relative humidity regulation setpoint while the step is active overwrites parameter SRH Determines thermoregulation setpoint while the step is active nP5 Temperature setpoint 1 si 3 P overwrites SET1 nP6 Temperature setpoint 2 Determines thermoregulation setpoint while the step is active overwrites SET2 Enable Disable ventilation fans petermines whether ventilation fans relay is enabled disabled while nP7 rela the step is active y If no relay is configured for this purpose this parameter has no effect nP8 End step action Determines the action taken at the end of the step and determines the active setpoint during the delay defined by parameter n 1 PO if 0 Available actions are nP8 Descriptio
33. ams Defrost termination condition a defrost cycle 7 1 2 Automatic defrost with Real Time Clock Defrost time menu allows the definition of precise times in the day when an automatic defrost request should be considered by the application Times for working days are separated from times for the weekend 5 2 schema Defrost time Working days Weekend O Both in the case of working days and in the case of weekend days you can set up to 8 times in the day at which the automatic defrost request is issued 1 66 66 5 00 00 2 00 00 6 66 06 3 00 00 7 66 06 4 66 66 3 66 66 Note that a strict chronological sequence is not mandatory you may enter the times in any order To not use any of the defrost times you can simply exclude them by increasing the hour value up to 24 which indicates that the parameter is deactivated 7 1 3 Manual defrost Pressing the manual defrost button will start the defrost cycle which can also be started from digital input if properly configured Procedures for the activation of this defrost cycle are the same as for external defrost The defrost interval will now be counted as described for automatic defrost time 1189 DET is not cleared it continues If conditions do not permit internal exchanger temperature greater than the value set in parameter 1034 DST this will be signaled on the display defrost icon blinks and defrost will stop 7 1 4 External or manual defrost
34. and the activation of some regulation functions with a set of icons 1 r 8 rib The meaning of each state icon is discussed in the following table 3 EE 5 11 FREEWHT User Manual 7 58 Changing setpoint from the main view Ref Description Steady ON Blinking No alarm active but at least one 1 Global alarm status At least one alarm is active manual rearm alarm is waiting for reset Light relay is active unless power 2 Light relay on exclusion is active too see 1014 ODO parameter 3 Economy mode reduced setpoint Economy mode is active 4 Defrost state Defrost is active Defrost request discarded Ventilation fans relay is active Tus unless power on exclusion is 5 Ventilation f l bl d active too see 1014 ODO parameter Compressor activation request pending but compressor relay is not active due to a one or more safety times Compressor relay is active unless 6 Compressor relay power on exclusion is active too see 1014 ODO parameter Dehumidifier relay is active unless 7 Dehumidifier relay power on exclusion is active too see 1014 ODO parameter Humidifier relay is active unless 8 Humidifier relay power on exclusion is active too see 1014 ODO parameter Evaporator fans relay is active unless power on exclusion is 2 Evaporator fans Tela active too see 1014 ODO parameter Heater relay is active unless 10 Heater r
35. be failure see compressor duty cycle On start delay The parameter indicates that a protection is active on the relay actuation of the compressor The time indicated must elapse between the request and the actual activation of the compressor relay FREEWHT User Manual 37 58 1012 DOF 1013 DBI 1014 ODO 1021 DBH 1022 HSH 1023 LSH 1024 DEH 1027 DB 1028 DTY 1029 DIT 1032 DCT 1033 DOH 1189 DET Stop start delay The parameter indicates that a protection is active on the relay actuation of the compressor The time indicated must elapse between the request and the actual activation of the compressor relay Start start delay Delay between activations the delay time indicated must elapse between two consecutive activations of the compressor Power on delay Delay in activating outputs after the controller is switched on or after a power failure If 1014 ODO 0 not active 15 2 Humidity Differential Relative humidity regulation differential Setpoint MAX Maximum value that can be assigned to the humidity setpoint Setpoint MIN Minimum value that can be assigned to the humidity setpoint While defrosting Relative humidity regulation while defrosting If 1024 DEH Not active relative humidity regulation is not active during defrost if 1024 DEH Active relative humidity regulation is active during defrost Heating band Heating regulation band 15 3 Defrost Type Defrost
36. bit 0 255 2 min Compressor USR INS 1014 ODO 16398 Power on delay activation relay Unsigned 16 bit 0 255 0 min Setpoint 1019 SRH 16403 Relative humidity setpoint Signed 16 bit 1023 LSH 1022 HSH 50 0 R H 1 Humidity USR INS 1021 DBH 16405 Relative humidity regulation differential Signed 16 bit 0 0 50 0 5 0 R H 1 Humidity INS 1022 HSH 16406 Relative humidity setpoint maximum value Signed 16 bit 1023 LSH 100 0 100 0 R H 1 Humidity INS 1023 LSH 16407 Relative humidity setpoint minimum value Signed 16 bit 0 0 1022 HSH 0 0 R H 1 Humidity INS 1024 DEH 16408 Relative humidity regulation during defrost 0 Not active 1 Active 0 Humidity USR INS 1027 DB 16411 Heating regulation differential Signed 16 bit 0 0 50 0 2 0 2C 1 Defrost INS 1028 DTY 16412 Defrost mode 0 7 Electric 1 Cycle inversion 2 Free 0 Defrost USR INS 1029 DIT 16413 Interval time between two defrost cycles Signed 16 bit 0 255 6 h Defrost INS 1032 DCT 16416 Interval time counting type 0 Compressor up time 1 Unit up time 2 On 3 compressor stop 3 Real time clock Defrost INS 1033 DOH 16417 Delay after power on for the beginning of Unsigned 16 bit 0 59 0 min the first defrost cycle Defrost USR INS 1034 DST 16418 Defrost stop temperature Signed 16 bit 302 0 1472 0 6 0 E 1 Menu Access ID Label Address Description Values Min Max Default U M EXP rights Defrost U
37. dh im dde in ecd bp hore Dre He EE Red Ce E References Cross references Icons for emphasis A Q 1 HOW TO USE THIS MANUAL This manual is designed to permit quick easy reference with the following features References column A column to the left of the text contains references to subjects discussed in the text to help you locate the information you need quickly and easily Cross references All words written in italics are referenced in the subject index to help you find the page containing details on this subject supposing you read the following text compressor evaporator fans and defrost output are deactivated and alarm manual rearm is required The italics mean that you will find a reference to the page on the topic of compressor evaporator fans defrost listed under the item compressor evaporator fans compressor respectively If you are consulting the manual on line using a computer words which appear in italics are hyperlinks just click on a word in italics with the mouse to go directly to the part of the manual that discusses this topic Some segments of text are marked by icons appearing in the references column with the meanings specified below Warning information which is essential for preventing negative consequences for the system or a hazard to personnel instruments data etc and which users must read with care Take note information on the topic under discussion which the user
38. ding sections in this document 12 3 3 Operating modes Dehumidification The following diagram plots the state of dehumidification as a function of the cell relative humidity Differential 1021 diagram DBH is always positive n A SRH ON OFF ARA i 1021 DINER 1021 DBH Pb3 Dehumidification mode determines which relays are activated if dehumidification is on 12 4 Programming Parameters related to relative humidity regulation can be viewed and configured in Humidity folder in the installer menu Configuration folder in the installer menu 1154 H05 1158 H09 1182 H43 Humidity setpoint can be set either from the main view or from a dedicated menu setpoint menu FREEWHT User Manual 29 58 Thermal profiles menu Thermal profiles program display 13 THERMAL PROFILES Application has an 8 step thermal profile Each step is defined by a set of 10 parameters 13 1 Programming Parameters related to the thermal profiles program can be viewed and configured in the Thermal profiles menu available in the main menu Thermal Profile Ster 1 Ster 5 Ster 2 Ster 6 Ster 3 Ster 7 Stee 4 Ste 8 QD Each step has a dedicated sub menu containing all its parameters Delas 6 nin A Y 13 2 Enabling the program The thermal profiles program is enabled if automatic mode is switched on in the Functions menu available in the main menu Functions Economy Off Rutomatic Off Reset alarm
39. e On each start up of the cut off regulator the analog output is forced to its maximum value for the start up time set in parameter 1054 F03 after which the analog output is set to the value determined by the cut off regulator 10 3 2 Regulation on compressor request Cut off regulator can be configured to be independent of or dependent on the compressor state by means of parameter 1067 F16 which determines whether the cut off regulator can be enabled if compressor is off 10 3 3 Cut off bypass time By means of parameter 1069 F18 a cut off bypass time can be set during this period if the regulator requests the cut off the analog output is forced to the value set with parameter 1057 F06 minimum level 10 3 4 Pre ventilation If the fan is activated by a compressor call see paragraph Regulation on compressor request the compressor ON signal is given only after the regulator has run for the minimum time given in parameter 1070 F19 Pre ventilation is run to prevent the compressor from switching on at excessively high condensation temperatures 10 3 5 Regulation The diagrams below plot the analog output level as a function of the value read from the regulation probe and the cut off regulator parameters The following diagram refers to cooling mode 1052 F01 Cool FREEWHT User Manual 25 58 Cut off regulator diagram in cooling mode Cut off regulator diagram in heating mode AO1 1063 F12 1058
40. e read by means of a fieldbus communication protocol is 500 500 10 50 0 FREEWHT User Manual 45 58 Menu Access ID Label Address Description Values Min Max Default U M EXP rights Setpoint 1001 SET1 16384 Temperature setpoint 1 Signed 16 bit 1004 LSE 1003 HSE 0 0 sE 1 Setpoint SET2 16385 Temperature setpoint 2 Signed 16 bit 1004 LSE 1003 HSE 0 0 C 1 Compressor USR INS 1002 DIF 16386 Compressor regulation differential Signed 16 bit 0 0 30 0 2 0 AG 1 Compressor INS 1003 HSE 16387 Temperature setpoint maximum value Signed 16 bit 1004 LSE 110 0 50 0 C 1 Compressor INS 1004 LSE 16388 Temperature setpoint minimum value Signed 16 bit 50 0 1003 HSE 50 0 C 1 Compressor INS 1005 OSP 16389 Economy setpoint Signed 16 bit 30 0 30 0 0 0 E 1 Compressor INS 1006 HC 16390 Compressor operating mode 0 Heating 1 Cooling 1 Compressor INS 1009 ONT 16393 Compressor duty cycle ON time in case of Unsigned 16 bit 0 255 10 min probe error Compressor INS 1010 OFT 16394 Compressor duty cycle OFF time in case of Unsigned 16 bit 0 255 10 min probe error Compressor USR INS 1011 DON 16395 Compressor on start delay Unsigned 16 bit 0 1000 10 S Compressor USR INS 1012 DOF 16396 Compressor stop start safety time Unsigned 16 bit 0 1000 0 S Compressor USR INS 1013 DBI 16397 Compressor start start safety time Unsigned 16
41. elay power on exclusion is active too see 1014 ODO parameter Electric defrost relay is active unless power on exclusion is 11 Electric defrost rel SEM ERI RAN SM active too see 1014 ODO parameter 3 3 2 Changing setpoint You can change both temperature and humidity setpoint to be used in regulation directly from the main view Just select the right element in the main view and enter edit mode 3 4 Main menu To enter the main menu just press and hold the RIGHT key in the main view The main menu gives access to many sub menus and after successful authentication to the parameter menus FREEWHT User Manual 8 58 Main menu overview Main menu elements Alarm reset command T K li ela 4 5 6 Main menu elements giving access to sub menus are listed in the following table uull pron Q a 10 11 e ilh 3 5 Active alarms menu Ref Icon Description Password ls bor 1 m Probes menu No 2 ES Clock menu No 103 3 5 TE Setpoint menu No LEN 4 Automatic defrost time events No 5 A Active alarms menu No 6 Xt Functions menu No 7 e Language selection menu No Either user or installer 8 Parameters menu access rights m 9 Thermal profiles program No iilis EC md 10 Ed States menu No 11 i L BIOS parameters menu Installer access rights Active alarms menu shows the whole set of currentl
42. ep step 6 0 STEP 1 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 6 STEP 5 5 STEP 6 6 STEP 7 7 STEP 8 Thermal profiles gt 7PO 16676 Step activation delay step 7 Unsigned 16 bit 0 5999 0 min Step 7 Thermal profiles gt 7P1 16677 Step duration step 7 Unsigned 16 bit 0 5999 60 min Step 7 Thermal profiles gt 7P2 16678 Relative humidity regulation mode step 7 0 Disabled 1 Neutral zone 2 Humidification 1 Step 7 only 3 Dehumidification only Thermal profiles gt 7P3 16679 Thermoregulation mode step 7 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 7 Cooling only 4 Heating and cooling from DI Thermal profiles gt 7P4 16680 Relative humidity setpoint step 7 Signed 16 bit 1023_LSH 1022 HSH 50 0 R H 1 Step 7 Thermal profiles gt 7P5 16681 Temperature 1 setpoint step 7 Signed 16 bit 1004_LSE 1003_ HSE 0 0 nC 1 Step 7 Thermal profiles gt 7P6 16682 Temperature 2 setpoint step 7 Signed 16 bit 1004_LSE 1003_HSE 0 0 C 1 Step 7 Thermal profiles gt 7P7 16683 Enables ventilation fans relay step 7 Boolean 0 Step 7 Thermal profiles gt 7P8 16684 End step action step 7 1 End 2 Next continue 3 Next suspend 4 1 Step 7 Loop 5 Go to step 6 Everlasting Thermal profiles gt 7P9 16685 Jump back target step step 7 0 STEP 1 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 7 STEP 5 5 S
43. ep 3 Thermal profiles gt 3P1 16637 Step duration step 3 Unsigned 16 bit 0 5999 60 min Step 3 Thermal profiles gt 3P2 16638 Relative humidity regulation mode step 3 0 Disabled 1 Neutral zone 2 Humidification 1 Step 3 only 3 Dehumidification only Thermal profiles gt 3P3 16639 Thermoregulation mode step 3 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 3 Cooling only 4 Heating and cooling from DI Thermal profiles gt 3P4 16640 Relative humidity setpoint step 3 Signed 16 bit 1023 LSH 1022 HSH 50 0 R H 1 Step 3 Thermal profiles gt 3P5 16641 Temperature 1 setpoint step 3 Signed 16 bit 1004 LSE 1003 HSE 0 0 Eo 1 Step 3 Thermal profiles gt 3P6 16642 Temperature 2 setpoint step 3 Signed 16 bit 1004 LSE 1003 HSE 0 0 C 1 Step 3 Men Access ID Label Address Description Values Min Max Default U M EXP rights Thermal profiles gt 3P7 16643 Enables ventilation fans relay step 3 Boolean 0 Step 3 Thermal profiles gt 3P8 16644 End step action step 3 1 End 2 Next continue 3 Next suspend 4 1 Step 3 Loop 5 Go to step 6 Everlasting Thermal profiles gt 3P9 16645 Jump back target step step 3 0 STEP 1 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 3 STEP 5 5 STEP 6 6 STEP 7 7 STEP 8 Thermal p
44. er menu or the Installer menu 1002 DIF is the unique parameter ID Differential is the parameter description 0 C is the parameter value Some parameters are visible only if installer access rights have been granted please refer to the parameter reference table at the end of the chapter for this information 15 1 Compressor Differential Compressor relay activation differential the compressor stops on reaching the Setpoint value as indicated by the adjustment probe and restarts at a temperature value equal to the Setpoint plus the value of the differential Setpoint MAX Maximum value that can be assigned to the setpoint Setpoint MIN Minimum value that can be assigned to the setpoint NOTE The two sets are interdependent 1003 HSE maximum setpoint can not be less than 1004 LSE minimum setpoint and viceversa Economy setpoint Temperature value to be added algebraically to the setpoint if reduced set enabled Economy function It can be activated with a key stroke by a function or a digital input configured for this purpose Mode Compressor operating mode If 1006 HC Heat compressor integrates the heating regulator and the application can not do cooling anymore parameter 1156 H07 should be set accordingly Duty cycle time on Actuation time in minutes of the compressor due to a probe failure see compressor duty cycle Duty cycle time off Shutdown time in minutes of the compressor due to a pro
45. ermostat Control oe eet qe 23 H humidifiera s oe eye ii Telays S coo b ceste olo castos 28 installer menie ie ead o RB E A 10 K KOVS hehe i oes ied Ad e E ee uae dre aene ed 6 associated functions eee treten tette tnnt ttntnnnn 6 L VGN OUD GE oiii a idas 10 DED eade S o HI e p RR OR DR RU E d didt 6 M main meh ise iooscia d acia pce e a rao oe ee dece Renan 8 Main VICW soso vices dl toa Ed EOL 6 charnglng setpolhb oot i ern ree ies 8 manual defrost esee eene 20 P parameters isa edocuit deb oe ead 37 TULA E ONNEEN eec AI erbe A 10 44 table D e P RR UR RR REPRE EM ADAE 44 pressure SWIGh c eee e E nb Re RR ed 27 r1 o a AEE AO 27 alarm reset i ie dtc tie ORT 27 AAA em etel Ra 27 DIobess ue ER RERO LEES e e Ede 11 R PONCE iia 4 relative humidity regulation sse 28 dehurmidifiCGtion in aeter tbe tte echten 28 program reset Progra TUM coa e TREE He jo gore eel esque o OPTED US program state display seen 30 program STO Pianista 31 O RA 31 thermoregulation eese 16 COMUN t edt PETO idi uda heating mode selection from digital input see 17 E zone eos ted tei ERE 17 U UMP 10 V ventilation JanS e eg ete aeree t e ee tea 24 duty Cyele i t tet e eee 24 p o R 24
46. he compressor is on A new count starts when the defrost interval elapses and a Running time in hours of the new defrost cycle starts if conditions permit Compressor up time compressor DIGIFROST Please note that compressor running time is counted method independently from the internal exchanger temperature If the internal exchanger probe is missing or faulty the count continues for the time the compressor is on The defrost time interval is counted continuously when the application is ON and starts at each power on Running time of the PP P Unit up time application in ON state A defrost cycle starts when the defrost interval elapses PP indicated by 1029 DIT if conditions permit and the controller immediately starts counting a new defrost interval moro nto Each time the compressor stops a defrost cycle is run P p P P according to the mode set in parameter 1028 DTY Clock Con RTC DEFAULT At the times set in Defrost times menu Regardless of how the interval is counted the following conditions apply if the internal exchanger probe temperature is greater than 1034 DST defrost will not be permitted a new interval will be counted and only at the end of this subsequent count will conditions be tested for the start of FREEWHT User Manual 19 58 Defrost times menu Se Defrost times exclusion Manual defrost request Notification of a discarded defrost request Defrost request diagr
47. ime following a power on After door closure exclusion High Low humidity alarms exclusion time after door closure On defrost timeout Alarm signaling end of defrost due to timeout If 1095 DAT No alarm no alarm is signaled on defrost timeout If 1095 DAT Alarm alarm is signaled on defrost timeout Lock on external alarm Regulators locked when external alarm is active If 1096 RLO None external alarm does not block any resource If 1096 RLO Comp Defrost external alarm blocks compressor and defrost If 1096 RLO Comp Defrost Fan external alarm blocks compressor defrost and evaporator fans 15 8 Light and digital inputs Light when door open Enables light relay from door switch If 1104 DSD Off opening the door does not turn on the light If 1104 DSD On opening the door turns on the light when off Light off delay Delay switching off relay configured as light after door is closed Valid if 1104 DSD is set to switch on light when door opens Light off from key Disable light relay from key even if light off delay 1105 DLT is active Pressure switch limit Number of pressure switch events allowed Pressure switch time Pressure switch event count time interval 15 9 Display User password Password to access user level parameters USR level the User Menu Installer password Password to access installer level parameters INS level the Installer Menu 15 10 Configuration Relative humidit
48. ing evaporator fans regulation Evaporator fans relay inhibition Thermostat control of evaporator fans 8 EVAPORATOR FANS 8 1 Physical configuration Evaporator fans are bound to digital output relay DO5 not configurable Relay polarity is not configurable 8 2 Operating conditions Evaporator fans regulations is enabled if the following conditions hold application is ON has not been excluded during defrost by parameter 1045 DFD delay after defrost is not active parameter 1043 FDT external alarm is not active while parameter 1096 RLO requires fans are halted in such a condition pressure switch alarm caused by a number of pressure switch events greater than parameter 1115 PEN in the time interval defined by parameter 1116 PEI is not active Relay bound to evaporator fans is inhibited if door is open and parameter 1047 FOD Not active time set in parameter 1014 ODO has not elapsed yet 8 3 Operating modes In cooling evaporator fans work as shown in this diagram Compressor ON Compressor OFF Evaporator probe Pb2 not available 1181 H42 Disabled ON OFF Evaporator probe Pb2 error ON OFF Evaporator probe available 1181 H42 Disabled and 1046 THERMOSTAT OFF FCO Not active fans OFF if compressor OFF CONTROLLED Evaporator probe available 1181 H42 Disable e 1046 THERMOSTAT THERMOSTAT FCO Thermostat controlled CONTROLLED CONTROLLED Thermostat c
49. ing the compressor and hence the cooling cycle On completion of defrost given that there will be water on the internal exchanger it is better not to start cooling righe away as this would ruin the effect of the defrost by creating ice immediately The dripping interval is regulated via parameter 1044 DT 7 1 Defrost conditions and function Defrosting is enabled if the internal exchanger temperature is lower than the end defrost temperature set in parameter 1034 DST manual defrosting has not already been activated in which case the request for automatic defrost will be canceled Defrost request can be made in the following ways Event Condition Application switch on If parameter 1036 DPO defrost at switch on is programmed accordingly If 1029 DIT gt 0 each time the defrost time interval set in parameter 1029 Time interval CHEM DIT has elapsed If 1029 DIT 0 and 1032 DCT Clock and Clock alarm not active Defrost is Clock default ock default triggered at the times set in Defrost times menu 7 1 1 Automatic defrost The defrost cycle is programmed to start at time intervals set in parameter 1029 DIT gt 0 Parameter 1032 DCT determines how that time interval is counted To disable the automatic cycle set 1029 DIT 0 See automatic defrost with the Real Time Clock to run defrosts at given times 1032 DCT Description Notes In this case the counter runs only if t
50. ivation when the door is opened and fan restart when the door is shut if they were running If 1047 FOD Not active fans are off if door is open If 1047 FOD Active evaporator fans regulation is active when the door is open Post ventilation Fan switch off delay after compressor stop in minutes If 1048 FDC 0 this function is excluded 15 5 Analog output Configuration Enable Disable cut off regulator If 1051 F00 Disabled cut off regulator is disabled and all its parameters are ignored by the application If 1051 FOO Enabled cut off regulator is enabled and its parameters should be properly configured along with the regulation probe Pb4 Mode Cut off regulator operating mode heat cool FREEWHT User Manual 39 58 1054 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 F03 F06 F07 F08 F09 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 Start up time Start up time during which the analog output bound to the cut off regulator is forced to maximum level Minimum level Minimum level percentage of analog output bound to the cut off regulator Medium level Medium level percentage of analog output bound to the cut off regulator Maximum level Maximum level percentage of analog output bound to the cut off regulator Setpoint Cut off regulator setpoint When setpoint is reached
51. me after defrost After door closure exclusion High Low temperature alarms exclusion time after door closure Door open delay Time out after alarm signal following digital input deactivation door open Temperature alarm delay Delay signaling high low temperature alarms Humidity alarms value type Mode of parameters 1089 HHA and 1090 LHA understood as absolute relative humidity values or as values relative to the setpoint If 1088 ATH Absolute parameters 1089 HHA and 1090 LHA gives absolute relative humidity values If 1088 ATH Relative parameters 1089 HHA and 1090 LHA gives values relative to the setpoint High humidity threshold High humidity alarm threshold Humidity upper limit distance from setpoint or absolute value in relation to 1088 ATH which when crossed triggers an alarm signal Low humidity threshold Low humidity alarm threshold Humidity lower limit distance from setpoint or absolute value in relation to 1088 ATH which when crossed triggers an FREEWHT User Manual 41 58 1091 ADH 1092 AOH 1093 PAH 1094 OAH 1095 DAT 1096 RLO 1104 DSD 1105 DLT 1106 OFL 1115 PEN 1116 PEI 1122 PA1 1123 PA2 1154 H05 alarm signal Relative humidity differential High Low humidity alarm differential with respect to respective thresholds Relative humidity alarm delay Delay signaling high low alarms Power on exclusion High Low humidity alarms exclusion t
52. n End End of thermal profiles program Next continue Go to next step Keep current setpoint during next step s activation delay Next wait Go to next step Halt regulation waiting for a new setpoint FREEWHT User Manual 31 58 Parameter Description Meaning nP8 Description during next step s activation delay Loop Go back to the start of the step Go to step Return to step number nP9 Everlasting Unlimited duration value has no effect during STEP 8 there are no further steps nP9 Jump back target Determines the jump back target if nP8 Go to step 13 5 Example The following example discuss a simple 3 step thermal profiles program where both thermoregulation and relative humidity regulation are in neutral zone Regulation type Humidity setpoint Temperature P1 Step Delay nP0 Duration nP1 nP2 nP3 nPA setpoint nP5 Step Delay 1 Endurance 1 NZ NZ Humidit Setpoint P d d temperature A Step2 Endurance 2 NZ NZ Setpoint humidit Seton i P y temperature B Step3 Endurance 3 NZ NZ Setpoint humidit setpoint y temperature A Temperature Humidity dbi2 O set Point TemperatureB db 1 2 db 1 2 Set Point TemperatureA db 1 2 Step 1 Active temperature End Mode l l l regulator l a F Set Point Humidity
53. nd to a relay to which a humidifier has to be connected 12 2 1 Physical configuration The humidifier is bound to digital output relay DO1 not configurable Relay polarity is not configurable For information about connecting the humidifier to the device refer to FREE Evolution Installation Manual 12 2 2 Operating modes The following diagram plots the state of the humidification relay as a function of the cell relative humidity Differential 1021 DBH is always positive A SRH ON o a Sr RH 1021 DBH oR H ee Pb3 12 3 Dehumidification Application accomplishes the dehumidification task by means of an ON OFF regulator with differential The regulator output is bound to one or more relays depending on the selected dehumidification mode 12 3 1 Dehumidification modes Parameter 1158 H09 determines the selected dehumidification mode according to the following schema FREEWHT User Manual 28 58 1158 H09 Description Relay only Dehumidification with dedicated relay Relay and compressor Dehumidification with both dedicated relay and compressor No relay Dehumidification with compressor and heating relay 12 3 2 Physical configuration Dehumidification Dehumidifier is bound to digital output relay DO3 if enabled with parameter H22 Default configuration enables the relay dehumidifier relay For information about compressor relay and heating relay configuration see the correspon
54. og input 2 3 Analog input 3 4 Analog input 4 5 Analog input 5 6 Analog input 6 Configuration INS 1182 H43 16571 Probe 3 configuration 0 Disabled 1 Analog input 1 2 Analog input 2 Menu Access ID Label Address Description Values Min Max Default U M EXP rights 3 Analog input 3 4 Analog input 4 5 Analog input 5 6 Analog input 6 Configuration INS 1183 H44 16572 Probe 4 configuration 0 Disabled 4 1 Analog input 1 2 Analog input 2 3 Analog input 3 4 Analog input 4 5 Analog input 5 6 Analog input 6 Defrost USR INS 1189 DET 16578 Defrost timeout Unsigned 16 bit 1 255 30 min Defrost times gt DE1 16600 Defrost starting time no 1 on working days Signed 16 bit 0 1440 1440 Working days Defrost times gt DE2 16601 Defrost starting time no 2 on working days Signed 16 bit 0 1440 1440 Working days Defrost times gt DE3 16602 Defrost starting time no 3 on working days Signed 16 bit 0 1440 1440 Working days Defrost times gt DEA 16603 Defrost starting time no 4 on working days Signed 16 bit 0 1440 1440 Working days Defrost times gt DE5 16604 Defrost starting time no 5 on working days Signed 16 bit 0 1440 1440 Working days Defrost times gt DE6 16605 Defrost starting time no 6 on working days Signed 16 bit 0 1440 1440
55. ontrol of fans takes place at the values set in parameters 1040 FST block fans temperature and 1042 FAD fans differential Block fans temperature is absolute real temperature value The fan regulator functions as indicated below AS A 1040 FST On LO o AS T t 1042 FAD Temperature lt Pb1 FREEWHT User Manual 23 58 Ventilation fans relay Ventilation fans duty cycle Regulation diagram 9 VENTILATION FANS 9 1 Physical configuration To bind a digital output relay to ventilation fans either parameter 1168 H26 or 1169 H27 found in menu Configuration must be set accordingly Default configuration does not bind any relay to ventilation fans 9 2 Operating conditions Ventilation fans regulation is enabled if the following conditions hold application is ON ventilation is not switched off from digital input if it has been configured as ventilation request by setting 1159 H11 1160 H12 15 ventilation fans relay is not disabled in the active thermal profiles program step parameters nP7 No where n is the active step 9 3 Operating modes Ventilation fans are regulated in a duty cycle defined by parameters 1072 CON and 1073 COF according to the rules reported in the following table 1072 CON 1073 COF relay 0 0 OFF 0 gt 0 OFF gt 0 0 ON gt 0 gt 0 Duty cycle Ventilation fans operation is depicted in the following diagram
56. ought to keep in mind Tip a recommendation which may help the user to understand and make use of the information supplied on the topic under discussion FREEWHT User Manual 4 58 2 INTRODUCTION 2 1 General description FREEWHT is an application targeting the FREE Evolution programmable controller family which can control functions in both conventional and ventilated cold rooms including combined temperature and humidity control It is suited to the control of commercial and industrial cold cells and thanks to the wide number of outputs available provides control of all associated functions including lights alarms fans humidification dehumidification and heating The curing ageing storing cycle consists of 1 program with 8 climate profiles completely configurable by the user the combined control of temperature and relative humidity as well as defrosting makes FREEWHT on FREE Evolution the best electronic solution for curing and keeping all food and consumable products The graphic interface features a backlit LCD display Menus are user friendly and parameters can be easily viewed thanks to the large surface area of the display itself Applications butchers sausage and salami production delicatessens cheese production pasta production vegetable production food storage cells fruit vegetables meat abattoirs dryers for wood skins paper marble FREEWHT User Manual 5 58 Actions
57. output 2 Digital output 2 configuration See digital output configuration table Digital output 6 Digital output 6 configuration See digital output configuration table Digital output 7 Digital output 7 configuration See digital output configuration table Probe 1 Probe Pb1 cell temperature configuration See analog input configuration table Probe 2 Probe Pb2 evaporator temperature configuration See analog input configuration table Probe 3 Probe Pb3 cell humidity configuration See analog input configuration table Probe 4 Probe Pb4 cut off regulator feedback configuration See analog input configuration table FREEWHT User Manual 43 58 15 11 Programming reference The following tables report a summary description of the whole set of application parameters discussed in preceding paragraphs along with information about the range of allowed values default value and unit of measurement Moreover necessary information to read and write them by means of a fieldbus communication protocol is also recorded 15 11 1 Parameter menu The following table indicates the visibility of the application parameters grouped by folders menus depending on access rights granted user or installer User menu Installer menu Menu name Folder shown on the e Visible Number of e Visible Number of display Naot parameters NS Noe parameters available available Compressor Compressor e
58. ping time set in 1044 DT if it is not equal to zero OUT A CFF Tima OUT er n CFF Tima r dEt 456 dt OUT ON CFF Tima 7 2 2 Defrost with electrical heaters Defrost with electrical heaters is configured by setting 1028 DTY Electric and parameter H22 Electric defrost The compressor stops for the duration of the defrost cycle and the relay configured as defrost regulator output and that the electrical heaters are connected to activates On completion of defrost the electrical heaters are switched off and the compressor remains off for the dripping time set in parameter 1044 DT if it is not equal to zero Start Dafroat OUT f Fat FREEWHT User Manual 21 58 Defrost timeout A In the diagram 1034 DST marks defrost termination due to reaching of defrost stop temperature If 1034 DST intervenes before 1189 DET dripping 1044 DT and 1043 FDT aligns with 1034 DST If 1043 FDT lt 1044 FDT then will force 1043 FDT 1044 DT During defrost fans are off if parameter 1045 DFD is set accordingly otherwise they remain under the control of their own regulator 7 2 3 Hot gas defrost Hot gas defrost is configured by setting parameter 1028 DTY Cycle inversion and parameter H22 Electric defrost The compressor stays on for the entire duration of the defrost cycle and the relay configured as defrost regulator output and that the solenoid valve is connected to activates
59. rmal profiles gt 5P1 16657 Step duration step 5 Unsigned 16 bit 0 5999 60 min Step 5 Thermal profiles gt 5P2 16658 Relative humidity regulation mode step 5 0 Disabled 1 Neutral zone 2 Humidification 1 Step 5 only 3 Dehumidification only Men Access ID Label Address Description Values Min Max Default U M EXP rights Thermal profiles gt 5P3 16659 Thermoregulation mode step 5 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 5 Cooling only 4 Heating and cooling from DI Thermal profiles gt 5P4 16660 Relative humidity setpoint step 5 Signed 16 bit 1023_LSH 1022 HSH 50 0 R H 1 Step 5 Thermal profiles gt 5P5 16661 Temperature 1 setpoint step 5 Signed 16 bit 1004_LSE 1003_ HSE 0 0 C 1 Step 5 Thermal profiles gt 5P6 16662 Temperature 2 setpoint step 5 Signed 16 bit 1004_LSE 1003_ HSE 0 0 1 Step 5 Thermal profiles gt 5P7 16663 Enables ventilation fans relay step 5 Boolean 0 Step 5 Thermal profiles gt 5P8 16664 End step action step 5 1 End 2 Next continue 3 Next suspend 4 1 Step 5 Loop 5 Go to step 6 Everlasting Thermal profiles gt 5P9 16665 Jump back target step step 5 0 STEP 1 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 5 STEP 5 5 STEP 6 6 STEP
60. rofiles gt 4PO 16646 Step activation delay step 4 Unsigned 16 bit 0 5999 0 min Step 4 Thermal profiles gt 4P1 16647 Step duration step 4 Unsigned 16 bit 0 5999 60 min Step 4 Thermal profiles gt 4P2 16648 Relative humidity regulation mode step 4 0 Disabled 1 Neutral zone 2 Humidification 1 Step 4 only 3 Dehumidification only Thermal profiles gt 4P3 16649 Thermoregulation mode step 4 0 Disabled 1 Neutral zone 2 Heating only 3 1 Step 4 Cooling only 4 Heating and cooling from DI Thermal profiles gt 4P4 16650 Relative humidity setpoint step 4 Signed 16 bit 1023_LSH 1022 HSH 50 0 R H 1 Step 4 Thermal profiles gt 4P5 16651 Temperature 1 setpoint step 4 Signed 16 bit 1004_LSE 1003_ HSE 0 0 C 1 Step 4 Thermal profiles gt 4P6 16652 Temperature 2 setpoint step 4 Signed 16 bit 1004 LSE 1003 HSE 0 0 SC 1 Step 4 Thermal profiles gt 4P7 16653 Enables ventilation fans relay step 4 Boolean 0 Step 4 Thermal profiles gt 4P8 16654 End step action step 4 1 End 2 Next continue 3 Next suspend 4 1 Step 4 Loop 5 Go to step 6 Everlasting Thermal profiles gt 4P9 16655 Jump back target step step 4 0 STEP 1 1 STEP 2 2 STEP 3 3 STEP 4 4 0 Step 4 STEP 5 5 STEP 6 6 STEP 7 7 STEP 8 Thermal profiles gt 5P0 16656 Step activation delay step 5 Unsigned 16 bit 0 5999 0 min Step 5 The
61. rror cut off regulator feedback analog output bound to the cut off regulator is regulator acording to parameter 1071 F20 either off or forced to maximum level 14 2 Alarms The following table lists all the application alarms error probes excluded Error code Alarm Cause Effect Solution Wait for the temperature value No effect lat 08 High temperature See High Low alarms pe id ERE read by probe Pb1 cell warning only temperature to fall below 1081 HAL Wait for the F temperature value No effect lat 09 Low temperature See High Low alarms ik Ad dci read by probe Pb1 cell warning only temperature to rise above 1082 LAL 19 High humidity See High Low alarms No effect on regulation Wait for the FREEWHT User Manual 33 58 High Low temperature thresholds Error code Alarm Cause Effect Solution humidity value amiasoni read by probe Pb3 cell ROM humidity to fall below 1089 HHA Wait for the 7 humidity value No effect lat 20 Low humidity See High Low alarms i td MP E read by probe Pb3 cell warning only E humidity to fall below 1090 LHA Due to activation of the Regulators resume normal DS Blocks regulators in digital input configured operation upon subsequent 01 External alarm accordance with NEAN ii as alarm 1159 H11 arameter 1096 RLO deactivation of the digital 1160 H12 5 P i input Inte
62. rruption of defrost due to timeout instead of 13 Defrost timeout reaching defrost end No effect on regulation Manual alarm reset temperature read from warning only required probe Pb2 evaporator temperature Alarm remains active After the delay 1086 No effect on regulation a 03 Door open alarm i until the door is TDO since door opening warning only closed Due to activation of the i EE Alarm remains active until digital input configured No effect on regulation C 02 Panic alarm subsequent deactivation of as panic alarm 1159 warning only the atn ino H11 1160 H12 18 indes 04 Pressure switch alarm See Pressure switch Clock related functions Real Time Clock error are disabled automatic See FREE Evolution RTC Clock error see FREE Evolution defrost on time events i y Installation Manual Installation Manual thermal profiles program start up time 143 High Low temperature relative humidity alarms High Low alarms indicate that user defined temperature relative humidity thresholds have been crossed 14 3 1 High Low temperature alarms configuration High Low temperature alarms refer to values read by probe Pb1 cell temperature Temperature thresholds are set with parameters 1081 HAL and 1082 LAL Parameter 1079 ATT determines whether they represent absolute temperature values 1079 ATT Absolute or values relative to current temperature setpoint 1079 ATT Relative FREEWHT U
63. s 1180 H41 1183 H44 Parameter Default value 1180 H41 Analog input 1 1180 H42 Analog input 2 1180 H43 Analog input 3 1180 H44 Analog input 4 You can also disable one or more probes by setting the related parameter to Disabled in this case the corresponding regulation function is inhibited Physical characteristics type NTC voltage current start of scale full scale calibration of FREE Evolution programmable controller s analog inputs are set by means of its BIOS parameters discussed in FREE Evolution Installation Manual and available in the BIOS parameters menu accessed from the main menu 4 2 Digital Input configuration The application uses FREE Evolution programmable controller s first two digital inputs with the meaning determined by the parameters 1159 H11 e 1160 H12 The table below records the association between parameters and digital input configuration Parameter Description Range Meaning Default value 1159 H11 Digital input 1 DIL1 configuration 21 21 e odi 4 NO Door switch ince y A See following 1160 H12 Digital input 2 DIL2 configuration 21 21 tables 5 NO External alarm The meaning of single values of 1159 H11 e 1160 H12 parameters is reported in the following table Value Description Notes 0 Disabled 1 Defrost request Toggle mode 2 Economy mode reduced setpoint 4 Door switch 5 External alarm
64. s Off A Y Main view display textual information about the state of the thermal profiles program STEP 1 RUN 02 38 where STEP indicates automatic mode is on 1 is the number of the active step START RUN STOP HH MM is the program running state 13 3 Program control 13 3 1 Program START In START state the main view displays the following text STEP 1 START 08 30 where 08 30 is the program start up time if not specified Program can be started from the thermal profiles program control panel available in the main view ECL a digital input properly configured by setting parameter 1159 H11 1160 H12 21 toggle START STOP at the time set directly in the main view STEP 1 START 01 43 FREEWHT User Manual 30 58 Thermal profiles program step parameters 13 3 2 Program RUN In RUN state the main view displays the following text STEP 1 RUN 01 57 where 1 is the currently active step 01 57 is the step remaining time Step duration can be changed at run time directly from the main view 13 3 3 Program STOP Program can be stopped from the thermal profiles program control panel available in the main view a digital input properly configured by setting parameter 1159 H11 1160 H12 21 toggle START STOP 13 3 4 Program RESET Program is reset from the thermal profiles program control panel available in the main view 13 4 STEP behavior The following t
65. s ee e a ug oud eet bete qtti tente ye eden cn 29 13 Thermal profiles eet te itin pe RR e e tee e HERES RES idas 30 LESEN deor i es NTRA 30 13 2 Enable 30 13 3 Program control 30 13 3 1 Program START 30 13 3 2 Program RUN 31 13 3 3 PLOMO O Praia inicia 31 13 4 Program RESE AAA A E NN CORA RA 31 T34 TED a 31 TA E le ai a EHE 32 14 Alarms and diagnostics ete ette nea 33 TAT PROB Gs CFO gne 33 14 2 A ripio 33 143 High Low temperature relative humidity alarms 14 3 1 High Low temperature alarms configuration 14 3 3 High Low humidity alarms COnfiQuration cseecsessesseececseeseeseecsecsccsessccuccucesecssccuccuccaesnsssuccsecasessccuecucsaeessesuccuesaeessecuccuceaeessecuceuesueeasceueceeeaeeneaeeeeeaeees 35 XM cni T 37 S M Co er To eo RC 37 15 2 AA TR MN EE CUR RINT 38 c Pin 38 15 4 EVapOFatOr faris scott ene INSERERE ias 39 15 5 AO UU OA 39 15 6 ELOT anA E EAA EE T E E EE E ERR cR eee E MEME 41 15 7 UALS sees EES AE EE TEE PEE OE E E E E E S 41 15 8 Light nd dieta inputs eed he B aE ae iier eoe ite e ete denote t ie te di tb tede 42 15 9 Display i E RE ec Le d Se REN ER ORA SE Redi get 42 T5 10 Config ratio Me eer M M H 42 15 11 AN 44 15 11 1 Parameter menu us 15 112 P rameter t ble itt ete th ts m eii m
66. ser Manual 34 58 A Power on exclusion Alarm exclusion after defrost Alarm exclusion after door closure Alarm signal delay High Low humidity thresholds A SEt LAL SEt HAL M SEt To generate an alarm when the value falls below the setpoint when 1079 ATT Relative a negative value must be entered for 1082 LAL Using parameter 1083 PAO you can set an exclusion time for high low temperature alarms following the device power on Using parameter 1084 DAO you can set an exclusion time for high low temperature alarms following defrost termination Using parameter 1085 OAO you can set an exclusion time for high low temperature alarms following the door closure During the time intervals defined by parameters 1083 PAO 1084 DAO 1085 OAO the regulator is disabled and any temperature alarms are not signaled Using parameter 1087 TAO you can set a delay for the signaling of the alarm when it occurs 14 3 2 High Low humidity alarms configuration High Low humidity alarms refer to values read by probe Pb3 cell humidity Humidity thresholds are set with parameters 1089 HHA and 1090 LHA Parameter 1088 ATH determines whether they represent absolute humidity values 1088 ATH Absolute or values relative to current humidity setpoint 1088 ATH Relative To generate an alarm when the value falls below the setpoint when 1088 ATH Relative a negative value must be entered for 1090 L
67. signed 16 bit 0 255 0 min alarms Men Access ID Label Address Description Values Min Max Default U M EXP rights Alarms INS 1088 ATH 16472 Relative humidity alarm value type 0 Absolute 1 Relative 1 Alarms INS 1089 HHA 16473 High humidity alarm threshold Signed 16 bit 1090 LHA 50 0 R H 1 Alarms INS 1090 LHA 16474 Low humidity alarm threshold Signed 16 bit 1089 HHA 50 0 R H 1 Alarms INS 1091 ADH 16475 Relative humidity differential Signed 16 bit 1 0 50 0 2 0 R H 1 Alarms INS 1092 AOH 16476 Relative humidity alarm delay Unsigned 16 bit 0 255 0 min Alarms INS 1093 PAO 16477 High Low humidity alarms exclusion time Unsigned 16 bit 0 10 3 h following a power on Alarms INS 1094 OAH 16478 High Low humidity alarms exclusion time Unsigned 16 bit 0 10 1 h after door closure Alarms INS 1095 DAT 16479 Alarm signaling end of defrost due to 0 No alarm 1 Alarm 0 timeout Alarms INS 1096 RLO 16480 Regulators locked when external alarm is 0 None 1 Compressor and defrost 2 0 active Compressor defrost and fans Light amp D l s INS 1104 DSD 16488 Enables light relay from door switch Boolean 1 Light amp D l s INS 1105 DLT 16489 Delay switching off relay configured as Unsigned 8 bit 0 31 0 min light after door is closed Light amp D l s INS 1106 OFL 16490 Disable light relay from key even if light Boolean 1
68. sion time of the cut off Unsigned 8 bit 0 59 0 min regulator Analog output INS 1069 F18 16453 Cut off bypass time Unsigned 16 bit 0 255 0 S Analog output INS 1070 F19 16454 Pre ventilation Unsigned 16 bit 0 255 0 S Analog output INS 1071 F20 16455 State of the analog output bound to the 0 Not active 1 Active 1 cut off regulator in case of regulation probe error Ventilation fan INS 1072 CON 16456 Ventilation fans duty cycle time on Unsigned 16 bit 0 255 1 min Ventilation fan INS 1073 COF 16457 Ventilation fans duty cycle time off Unsigned 16 bit 0 255 0 min Alarms INS 1079 ATT 16463 Temperature alarm value type 0 Absolute 1 Relative 1 Alarms INS 1080 AFD 16464 Temperature differential Signed 16 bit 1 0 50 0 1 0 E 1 Alarms INS 1081 HAL 16465 High temperature alarm threshold Signed 16 bit 1082 LAL 50 0 aC 1 Alarms INS 1082 LAL 16466 Low temperature alarm threshold Signed 16 bit 1081 HAL 50 0 e 1 Alarms INS 1083 PAO 16467 High Low temperature alarms exclusion Unsigned 16 bit 0 10 3 h time following a power on Alarms INS 1084 DAO 16468 High Low temperature alarms exclusion Unsigned 16 bit 0 999 60 min time after defrost Alarms INS 1085 OAO 16469 High Low temperature alarms exclusion Unsigned 16 bit 0 10 1 h time after door closure Alarms INS 1086 TDO 16470 Time out after alarm signal following digital Unsigned 16 bit 0 255 10 min input deactivation door open Alarms INS 1087 TAO 16471 Delay signaling high low temperature Un
69. tch on and the next The safety time set in parameter 1011 DON must elapse between a start up request and actual start up Times set with parameters 1011 DON 1012 DOF 1013 DBI if active are not accumulative but parallel Compressor protection diagram with parameters 1011 DON 1012 DOF 1013 DBI configured IN Input state for compressor regulator OUT Output state for compressor regulator FREEWHT User Manual 15 58 Heating regulation diagram 6 HEATING COOLING Thermoregulation parameters can be viewed and configured in the folders Compressor menu parameter 1002 DIF Humidity menu parameter 1027 DB Configuration menu parameter 1156 H07 1159 H11 e 1160 H12 Parameter 1156 H07 determines thermoregulation type and the set of parameters relevant to that process 1156 H07 Digital input Setpoint Relay Disabled E Neutral zone SET1 Both DO2 and DO4 Cooling only SET1 DO4 Heating only SET2 DO2 Cooling SET1 DO4 From digital input Heating SET2 DO2 6 1 Heating Set thermoregulation type to 1156 H07 Heating only Heating relay Comments ON OFF Temperature lt SET2 1027 DB Temperature gt SET2 Differential 1027 DB always positive 6 2 DO2 Off Cooling SET2 1027 DB Set thermoregulation type to 1156 H07 Cooling only Temperature Pb1 Compressor rela
70. to off 0 If 1071 F20 Active analog output is forced to maximum level 100 FREEWHT User Manual 40 58 1072 CON 1073 COF 1079 ATT 1080 AFD 1081 HAL 1082 LAL 1083 PAO 1084 DAO 1085 OAO 1086 TDO 1087 TAO 1088 ATH 1089 HHA 1090 LHA 15 6 Ventilation fans Duty cycle time on Ventilation fans duty cycle time on Duty cycle time off Ventilation fans duty cycle time off 15 7 Alarms Temperature alarm value type Mode of parameters 1081 HAL and 1082 LAL understood as absolute temperature values or as values relative to the setpoint If 1079 ATT Absolute parameters 1081 HAL and 1082 HAL give absolute temperature values If 1079 ATT Relative parameters 1081 HAL and 1082 HAL give values relative to the setpoint Temperature differential High Low temperature alarm differential with respect to respective thresholds High temperature threshold High temperature alarm threshold Temperature upper limit distance from setpoint or absolute value in relation to 1079 ATT which when crossed triggers an alarm signal Low temperature threshold Low temperature alarm threshold Temperature lower limit distance from setpoint or absolute value in relation to 1079 ATT which when crossed triggers an alarm signal Power on exclusion High Low temperature alarms exclusion time following a power on After defrost exclusion High Low temperature alarms exclusion ti
71. uecuecasessesuccuceaeessecuecuecaeeneesseeeeeeees 14 52 2 Compressor safety tITies s ce erm tpe ipe de Rp ER EUER eere et pee tie iere pe Mie ee be tede re ed 6 Heating 7 Cooling arire IA Guy TC i a a A O 6 2 Cooling 6 3 Neutral NN 6 4 A A EE EAR E e Ra RERO eek tente ete EH Our ne EA nase EAE EUR i e 7 DefrosSt 7 1 Defrost conditions and FUNCTION cceceeesessssesessssssesesscscsessesesesssscscsesscsssesssscscsessescsesssssscssssssscsssssscsssssssscsusscacsessessscsescscsesscacseseeesesseceeaee LAT A tomatie aii M ER 7 1 2 Automatic defrost with Real Time Clock n TAI sc MA AR UC MIT VA Externalor manual eli 7 27 LDE rOS EMO AERE E m 7 2 1 Defrost with compressor stopped DEFAULT sessssssscsessessesseecsecsseseecuccuccasessesuccuscuscssesuccuccasssscsuccuccuseasesuccuccasesescuccucsuseasecuesuccacenecsuccueeateneenseseeeesenees 21 7 2 2 Defrost with electrical heaters essesssecsscneecsecscsecnecssecsecsseneessecsscuecsessessuecsscnecssscsscnecscsessuscuscuecsuesuscuecsscsessuecsscuecssessecuecsecsessuecuseuecsneseecuececeneeseeseneeese 21 T23 y ioo RERO P mb eue a aspe RAN NN 22 72 4 Detrostim FREE mode e i i e ie nen n e ias 22 7 2 5 Defrost regulator protection and coristraints isree ttt ttti ett edite eset eee tede eae dida ee toii eee tue 22 8 eVapOrator RR 8 T
72. y ON OFF Comments Temperature gt SET1 1002 DIF Temperature lt SET1 Differential 1002 DB always positive FREEWHT User Manual 16 58 Cooling regulation diagram Thermoregulation diagram in neutral zone A DO4 SET1 On Off 1002 DIF Temperature q A Pb1 6 3 Neutral zone Set thermoregulation type to 1156 H07 Neutral zone A SETI On N O a Off 1027 DB emperature coc Pb1 On tT O a Off l 1002 DIF emperature eo Pb1 6 4 Heating Cooling Set thermoregulation type to 1156 H07 From digital input Set a digital input as heating cooling 1159 H11 1160 H12 Heat Cool beware of polarity NO NC These settings do not allow thermoregulation in neutral zone FREEWHT User Manual 17 58 Diagram of thermoregulation with digital input mode selection Digital input COOL Digital input HEAT Temperature Pb1 o e N g i i i SET1 o T EE 3 i MM On mS ARA EOI Ls E N Q a On T Q a Off FREEWHT User Manual 18 58 Dripping Defrost request Automatic defrost start request Automatic defrost start conditions 7 DEFROST Defrost is used to stop ice from forming on the surface of the internal exchanger Defrost takes place basically see Defrost modes by heating up the internal exchanger using electrical heaters hot gas hot gas solenoid valve by simply stopp
73. y active alarms and those waiting for manual reset When more than one alarm is active you have to scroll the list with UP and DOWN keys Active alarms Ei Cabinet Probe fault Hot active A Reset lv From the active alarms menu you can issue a command to reset alarms by pressing the reset button FREEWHT User Manual 9 58 Language selection Password entry Log out User menu Installer menu 3 6 Language selection menu All menus are available in both the English and the Italian language The user interface language can be changed by selecting the desired language in the language selection menu English O If the selected language differs from the currently active language the FREE Evolution programmable controller will reboot after restarting the selected language would be set 3 7 Parameters menu To access parameters BIOS parameters menu access rights have to be granted by successfully log in that is by entering a password when prompted by the user interface if the password matches the value of either 1122 PA1 or 1123 PA2 parameter User or Installer access rights are granted to the operator respectively Access rights remain until either the main menu is closed back to main view or an explicit log out command is issued by pressing and holding the DOWN key in the password menu Parameters menu is displayed differently for different access rights the user menu Compressor Humidity
74. y regulation FREEWHT User Manual 42 58 1156 1158 1159 1160 1168 1169 1180 1181 1182 1183 H07 H09 H11 H12 H22 H26 H27 H41 H42 H43 H44 If 1154 HOS Disabled relative humidity regulation disabled If 1154 HOS Neutral zone relative humidity regulation enabled in neutral zone both humidification and dehumidification If 1154 H05 Humidification only relative humidity regulation enabled in humidification only If 1154 H05 Dehumidification only relative humidity regulation enabled in dehumidification only Thermoregulation If 1156 H07 Disabled thermoregulation disabled If 1156 H07 Neutral zone thermoregulation enabled in neutral zone both heating and cooling If 1156 H07 Heating only thermoregulation enabled in heating only If 1156 H07 Cooling only thermoregulation enabled in cooling only If 1156 H07 From digital input thermoregulation enabled with heat cool mode selection from digital input Dehumidification type If 1158 H09 Relay only dehumidification with dedicated relay If 1158 H09 Relay and compressor dehumidification with dedicated relay and compressor If 1158 H09 No relay dehumidification with compressor and heating device Digital input 1 Digital input 1 configuration See digital input configuration table Digital input 2 Digital input 2 configuration See digital input configuration table Digital

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