dIXEL IPC400D SERIES User Manual Download Page 174

Page: 174 / 187

USER MANUAL – Release 1.2 of 01/01/2010

Page 174 of 191

Version: 02/03/2010

57.24

UNLOADING SIGNAL DUE TO LOW EVAPORATION PRESSURE IN HEATING

WORKING MODE

Display label meaning

b1Cu

(circuit n° 1 unloading from condenser coil signal)

b2Cu

(circuit n° 2 unloading from condenser coil signal)

b3Cu

(circuit n° 3 unloading from condenser coil signal)

b4Cu

(circuit n° 4 unloading from condenser coil signal)

Cause of activation

When working, if the probe configured as condensation temperature,
configured as pressure control or as evaporation pressure, measures a value <
Un13 set

Reset

if the condensation pressure/temperature or the evaporation pressure

measures a value > Un13 + Un14

With unloading function inserted after the time set Par. Un15

Reset

Automatic

Icon

flashing

Action

Alarm relay + buzzer NOT activated

Regulators

Alarm

Relay + buzzer NOT activated

Reverse valve

It follows its regulation

Recovery valve

it follows its regulation

Free-cooling on/off valve

it follows its regulation

Auxiliary relay

It follows its regulation

Idle running valve

It follows its regulation

Supply ventilation

It follows its regulation

Condensation ventilation

It follows its regulation

Support/boiler/anti-freeze

It follows its regulation

Pump/and water evaporator
and condenser

It follows its regulation

Compressors

It follows its regulation

Pump down solenoid valve It follows its regulation

Summary of Contents for IPC400D SERIES

Page 1: ... USER MANUAL Release 1 2 of 01 01 2010 Page 1 of 191 Version 02 03 2010 PROGRAMMABLE CONTROLLERS IPC400D SERIES USER MANUAL ...

Page 2: ...EANING WORKING 49 7 IPRO CHILL WIRING DIAGRAMS 50 7 1 IPC410D MODEL HARDWARE RESOURCES 50 7 2 IPC415D MODEL HARDWARE RESOURCES 51 7 3 NTC PTC PROBES ANALOGUE INPUTS 52 7 4 DIGITAL INPUTS 52 7 5 4 20MA PRESSURE TRANSDUCERS ANALOGUE INPUTS 52 7 6 0 5V RATIOMETRIC PRESSURE TRANSDUCERS ANALOGUE INPUTS 53 7 7 OUTDOOR FAN SPEED CONTROL PWM OUTPUTS 53 7 8 OUTDOOR FAN SPEED 0 10V 4 20mA OUTPUTS 53 7 9 SER...

Page 3: ...GSM MODEM 67 13 2 PC CONNECTION FROM REMOTE VIA INTERNAL SERIAL MODEM 68 14 CONNECTION TO THE IPRO CHILL VIA THE NETWORK PORT 68 14 1 LOCAL CONNECTION TO THE PC 68 14 2 CONNECTION VIA INTRANET 69 14 3 CONNECTION VIA INTERNET 69 15 USING THE USB PORT 70 15 1 USB PORT HOST 70 16 USER INTERFACE 71 16 1 HOW TO MODIFY THE INFORMATION PRESENT IN THE MAIN SCREEN 72 16 2 UNIT SWITCH ON IN CONDITIONING OR ...

Page 4: ...ESSOR TEMPERATURE CONTROL IN HEATING MODE 95 20 3 TEMPERATURE CONTROL ON TWO INDEPENDENT CIRCUITS 95 21 CHOICE OF THE TYPE OF TEMPERATURE CONTROL 95 21 1 COMPRESSORS PROPORTIONAL TEMPERATURE CONTROL GRAPHICS UNIT 96 21 2 CIRCUIT N 2 COMPRESSORS PROPORTIONAL TEMPERATURE CONTROL GRAPHICS 97 21 3 COMPRESSORS NEUTRAL ZONE TEMPERATURE CONTROL GRAPHICS 98 21 4 WORKING DESCRIPTION 99 22 NOTES COMPRESSORS...

Page 5: ...8 PARTIALISATIONS WORKING 105 28 1 START UP WITH PARTIALISED COMPRESSOR IDLE START UP 107 28 2 GAS BY PASS VALVE FUNCTION ON COMPRESSOR START UP 107 28 3 INTERMITTENT VALVE FUNCTION FOR SCREW COMPRESSORS 107 29 COMPRESSOR LIQUID INJECTION SOLENOID VALVE FUNCTION 108 29 1 WORKING 108 30 COMPRESSOR WITH INVERTER MANAGEMENT FUNCTION NOT AVAILABLE 108 31 MANAGEMENT OF THE TEMPERATURE CONTROL OF COMPRE...

Page 6: ...tch intervention threshold higher than the intervention threshold of the LP pressure switch 117 44 6 3 Pump down active in switch off and re start based on dedicated pressure switch Pump down pressure switch intervention threshold lower than the intervention threshold of the LP pressure switch 117 44 6 4 Pump down active in shut down and in re start based on the analogue input relative to the evap...

Page 7: ...ER PUMP 142 53 2 ANTILEGIONELLA FUNCTION 142 53 3 MANAGEMENT OF THE PRIORITY BETWEEN THE PRODUCTION OF DOMESTIC HOT WATER AND WATER CIRCUIT UTILITIES 142 53 4 SOLAR PANELS WATER PUMP 143 53 5 DOMESTIC HOT WATER FLOW SWITCH AND SOLAR PANELS MANAGEMENT 143 53 6 PRODUCTION OF DOMESTIC HOT WATER WITH AIR WATER UNIT WATER WATER IN HEATING AND COMMON RETURN MODE CF01 1 2 CF02 3 FS01 1 143 53 6 1 DOMESTI...

Page 8: ...13 HOT SIDE FLOW SWITCH ALARM DIFFERENTIAL PRESSURE SWITCH 164 57 14 SUPPLY FAN CIRCUIT BREAKER ALARM 166 57 15 DOMESTIC HOT WATER PUMP FLOW SWITCH ALARM 167 57 16 DOMESTIC SOLAR PANELS WATER PUMP FLOW SWITCH ALARM 167 57 17 CIRCUIT BREAKER ALARM 168 57 18 DISCHARGE COMPRESSORS HIGH TEMPERATURE ALARM FROM ANALOGUE INPUT 169 57 19 EVAPORATOR WATER INLET HIGH TEMPERATURE ALARM 169 57 20 CONDENSATION...

Page 9: ... 57 40 REMOTE TERMINAL ALARM 187 57 41 NOTE ALARM RELAY AND BUZZER 187 58 NO VOLTAGE 187 59 AUTOMATIC TO MANUAL RESRT ALARMS DIAGNOSTICS 187 60 OUTPUTS BLOCK TABLE 188 60 1 CIRCUIT A OUTPUTS ALARM BLOCK TABLE 188 60 2 CIRCUIT B OUTPUTS ALARM BLOCK TABLE 189 60 3 COMPRESSOR C ALARMS OUTPUTS BLOCK TABLE 190 ...

Page 10: ...gasket Only use the regulator within its working limits Warning Disconnect any electric connections before performing any type of maintenance The device must never be opened In the case of malworking or fault send the device back to DIXELL s r l see address with a precise description of the problem Consider the maximum current applicable to each relay see Technical Data Make sure that the probe ca...

Page 11: ...up with unloading valve Idle running valve Gas by pass valve outside the compressor Unloaders management continuous working step working modulating working screw compressors Compressors rotation and temperature control configurable from parameter by n of running hours by n start up hour Compressors liquid injection function Control with dedicated PTC probe Compressors discharge high temperature al...

Page 12: ...4 20mA input Changeover function Automatic changeover between cooling and heating by NTC input Remote OFF function From configurable digital input Remote heating cooling function From digital input with configurable logic Hot start function Air air unit Defrost management In temperature in pressure or with both combined control Forced defrost for start up with low external air temperatures From di...

Page 13: ...S outputs for condensing fan modules PWM signal 2 Configurable 2 Configurable 0 10V analogue outputs for free cooling management and heat recovery or ON OFF for driving external relay 4 4 FURTHER CONNECTIONS 1 RS485 Master with Modbus Rtu protocol 1 1 1 RS485 Slave with Modbus Rtu protocol 1 1 VGIPC keyboard output up to 2 remote terminals with probe on board Up to 2 Up to 2 Network outputs Intern...

Page 14: ...ressor 7 discharge thermostat 25 Compressor 8 discharge thermostat 26 Compressor 9 discharge thermostat 27 Compressor 10 discharge thermostat 28 Compressor 11 discharge thermostat 29 Compressor 12 discharge thermostat 30 Compressor 13 discharge thermostat 31 Compressor 14 discharge thermostat 32 Compressor 15 discharge thermostat 33 Compressor 16 discharge thermostat 34 Compressor 1 thermal overlo...

Page 15: ...witch 87 Circuit 3 pump down pressure switch 88 Circuit 4 pump down pressure switch 89 Generic alarm 1 digital input 90 Generic alarm 2 digital input 91 Digital input working in RTC automatic enabling time band manual keyboard mode 92 Digital input working with supply fan only 93 Cooling Heating demand digital input condensing unit 94 Cooling demand digital input condensing unit 95 Heating demand ...

Page 16: ... OFF Fan 4 th step 26 Circuit 4 ON OFF Fan 1 st step 27 Circuit 4 ON OFF Fan 2 nd step 28 Circuit 4 ON OFF Fan 3 rd step 29 Circuit 4 ON OFF Fan 4 th step 30 Circuit 1 pump down solenoid valve 31 Circuit 2 pump down solenoid valve 32 Circuit 3 pump down solenoid valve 33 Circuit 4 pump down solenoid valve 34 Circuit 1 heat recovery valve 35 Circuit 2 heat recovery valve 36 Circuit 3 heat recovery ...

Page 17: ...83 Compressor 1 gas by pass valve during start up 84 Compressor 2 Direct start up Compressor 2 Winding 1 Part Winding start up Compressor 2 Line 1 Star Delta start up 85 Compressor 2 Winding 2 Part Winding start up Compressor 2 Line 2 Star Delta start up 86 Compressor 2 Star Delta start up Star centre 87 Compressor 2 Unloader 1 88 Compressor 2 Unloader 2 89 Compressor 2 Unloader 3 90 Compressor 2 ...

Page 18: ...ssor 7 Line 2 Star Delta start up 126 Compressor 7 Star Delta start up Star centre 127 Compressor 7 Unloader 1 128 Compressor 7 Unloader 2 129 Compressor 7 Unloader 3 130 Compressor 7 Unloader 4 131 Compressor 7 gas by pass valve during start up 132 Compressor 8 Direct start up Compressor 8 Winding 1 Part Winding start up Compressor 8 Line 1 Star Delta start up 133 Compressor 8 Winding 2 Part Wind...

Page 19: ... 2 170 C3tr Alarm Overload Compressor 3 171 C4tr Alarm Overload Compressor 4 172 C5tr Alarm Overload Compressor 5 173 C6tr Alarm Overload Compressor 6 174 C7tr Alarm Overload Compressor 7 175 C8tr Alarm Overload Compressor 8 176 C9tr Alarm Overload Compressor 9 177 C10tr Alarm Overload Compressor 10 178 C11tr Alarm Overload Compressor 11 179 C12tr Alarm Overload Compressor 12 180 C13tr Alarm Overl...

Page 20: ...Circuit 2 condenser hot water output NTC temperature probe 30 Circuit 3 condenser hot water output NTC temperature probe 31 Circuit 4 condenser hot water output NTC temperature probe 32 Condenser hot water common output NTC temperature probe 33 System water inlet NTC temperature probe free cooling 34 External air temperature NTC temperature probe free cooling 35 Dynamic boiler function change over...

Page 21: ...ressor 1 0 10V modulating output 12 Circuit n 2 compressor 1 0 10V modulating output 13 Circuit n 3 compressor 1 0 10V modulating output 14 Circuit n 4 compressor 1 0 10V modulating output External relay driving ON OFF output o1 c187 see relevant configurations 4 5 CONFIGURATION OF THE OUT5 OUT6 PROPORTIONAL OUTPUTS 4 20mA 0 10V PWM configurable output signal From 0 to 14 as Out1 Out4 configuratio...

Page 22: ...s For the analogue outputs The meaning of this structure is AO01 1 means that the analogue output AO01 is configured as Circuit 1 condensation control 0 10V proportional output Refer to table 4 4 for the configuration of the outputs The analogue outputs can be configured also as digital outputs The configuration in this case follows the same rules used for digital outputs For example AO01 c76 mean...

Page 23: ...d Display dynamic set point parameters ES Display energy saving and automatic timed switch on off parameters CO Display compressor parameters PA Display evaporator condenser water pump parameters Pd Display pump down function parameters Un Display unloading function parameters FA Display ventilation parameters Ar Display anti freeze heaters parameters dF Display defrost parameters rC Display heat ...

Page 24: ... 7 n 2 remote terminal temperature probe Not Available 8 condenser water common inlet NTC temperature probe 9 circuit n 1 condenser water inlet NTC temperature probe 10 circuit n 2 condenser water inlet NTC temperature probe 11 circuit n 3 condenser water inlet NTC temperature probe 12 circuit n 4 condenser water inlet NTC temperature probe 13 circuit n 1 condenser water outlet NTC temperature pro...

Page 25: ...band 25 0 13 25 0 45 C F Dec int ST 28 Circuit n 2 integral time 0 250 Secs ST 29 Circuit n 2 derivative time 0 250 Secs ST 30 Circuit n 2 derivative part multiplier 0 250 Secs ST 31 Activation offset for compressors When the controlled temperature coming from neutral zone enters the compressors activation zone the compressors capacity steps are enabled only if the variable exceeds in cooling or d...

Page 26: ...ircuit 3 compressors 0 3 CF 12 Number of unloaders in circuit 4 compressors 0 3 Unit Set Up Parameter Description min max udm Resolution Analogue Inputs SP 1 Temperature or pressure analogue input working 0 Temperature pressure NTC 4 20 mA The condensing temperature is controlled by the NTC probe The control of the circuits evaporating pressure and of the pressure probe configured as auxiliary out...

Page 27: ...ease in cooling mode Maximum variation of the work set point in cooling mode 50 0 58 110 230 C F Dec int Sd 2 Dynamic set point max increase in heating mode Maximum variation of the work set point in heating mode 50 0 58 110 230 C F Dec int Sd 3 Dynamic set point external air temperature set in cooling mode 50 0 58 110 230 C F Dec int Sd 4 Dynamic set point external air temperature set in heating ...

Page 28: ...ctivation of all outputs to distribute the mains power consumption and protects the compressor s from repeated switch on in the case of frequent power supply failures 0 250 Secs 10 secs Compressors Unloaders CO 8 Unloaders activation mode see relevant chapter 0 ON OFF activation with steps 1 continuous activation with direct action steps 2 continuous activation with inverse action steps 3 Continuo...

Page 29: ...n the circuit 0 250 Min Compressor with modulating control CO 39 Compressor working time at maximum speed from temperature control demand 0 function disabled 0 250 secs CO 40 Minimum value for the 0 10V digital scroll analogue output at start 0 100 CO 41 Power implementation interval at start 1 250 secs CO 42 Minimum continuous working percentage of the modulating compressor under which the CO64 t...

Page 30: ... according to starts and running hours 0 4 PA 6 Pumps Manual Inversion 0 Pump 1 On 1 Pump 2 On 0 1 PA 7 Number of running hours for evaporator pump forced rotation 0 999 10Hr 10Hr PA 8 Simultaneous pumps working time after forced rotation 0 250 Secs Evaporator water pump working mode in case of anti freeze alarm PA9 Determines the evaporator water pump s working mode in case of anti freeze alarm w...

Page 31: ...intenance request function chapter 0 999 10 Hr 10 Hr PA 30 Support condenser pump maintenance period 0 999 10 Hr 10 Hr Pump down function Pump down Pd 1 Pump down function see relevant chapter 0 function disabled 1 Pump down only at stop 2 Pump down at start and stop 3 Pump down only at stop in cooling mode 4 Pump down at start and stop in cooling mode 0 4 Pd 2 Pump down pressure set see pump down...

Page 32: ...vation time 0 250 Min Un 16 Max number of capacity steps per circuit during unloading working mode 1 4 Un 17 Minimum working time in unloading after function activation only for compressor with unloaders 0 250 Secs Outdoor fan speed control Parameter Description min max um Resolution FA1 Fan speed control 0 Not managed 1 always on 2 ON OFF activation with steps 3 ON OFF continuous activation with ...

Page 33: ...tage 100 10V 0 100 FA18 Maximum outdoor fan speed in heating mode Defines the maximum oudoor fan speed during proportional regulation in heating mode It is expressed as percentage 100 10V 0 100 FA19 Proportional regulation Evaporating pressure value corresponding to the minimum outdoor fan speed defined at FA16 Step regulation 1st STEP Set Evaporating pressure value corresponding to the activation...

Page 34: ...essed as percentage 100 10V 0 100 FA35 Proportional regulation Evaporating pressure value corresponding to the minimum outdoor fan speed defined at FA16 Step regulation 1st STEP Set Evaporating pressure value corresponding to the activation of the 1st outdoor fan step 50 0 58 0 0 0 110 230 50 0 725 C F Bar Psi Dec int Dec int FA36 Proportional regulation Evaporating pressure value corresponding to...

Page 35: ...n cooling mode 0 Disabled 1 Evaporator inlet 2 Evaporator outlet circuits 1 2 3 Evaporator outlet circuits 3 4 4 All evaporators outlet 5 All evaporators outlet and common outlet 0 5 Ar 7 Temperature probe for controlling antifreeze support heaters in heating mode 0 Disabled 1 Evaporator inlet 2 Evaporator outlet circuits 1 2 3 Evaporator outlet circuits 3 4 4 All evaporators outlet 5 All evaporat...

Page 36: ...art temperature set point After the expiration of the dF09 delay the actual defrost cycle occurs only when the temperature sensed by the circuit 1 combined defrost temperature probe drops below the dF10 limit 50 0 58 110 230 C F Dec int dF 11 Circuit n 2 combined defrost cycle start temperature set point 50 0 58 110 230 C F Dec int dF 12 Circuit n 3 combined defrost cycle start temperature set poi...

Page 37: ... 1 1 25 0 45 14 0 203 C F Bar Psi Dec int Dec int Supply fan working in defrost mode dF 32 Supply fan DISABLING during defrost 0 Disabled Supply fan works during defrost 1 Enabled Supply fan doesn t work during defrost 0 1 Anti freeze security for multi circuit units dF 33 Forced activation of the circuits which are not defrosting 0 Disabled 1 Enabled with outdoor fans OFF 2 Enabled with outdoor f...

Page 38: ...he production of domestic hot water FS05 FS06 C F dec int FS 4 Domestic hot water proportional band 0 1 1 25 0 45 C F dec int FS 5 Minimum set point value for domestic water Minimum limit for the domestic water set point 50 0 58 FS03 C F dec int FS 6 Maximum set point value for domestic water Maximum limit for the domestic water set point FS03 110 230 C F dec int FS 7 Steps activation for reaching...

Page 39: ...deactivation of the charge modulating valve 0 1 1 25 0 45 C F dec int FS 34 Charge modulating valve maximum activation time 1 250 sec 10 sec FS 35 Inlet water temperature set point for modifying the charge modulating valve set point and band 50 0 58 110 230 C F dec int FS 36 Inlet water temperature band for modifying the charge modulating valve set point and band 0 1 1 25 0 45 C F dec int FS 37 Mo...

Page 40: ...on Defines the number of heating demand capacity steps necessary for activation of standard heating mode In case the domestic hot water production function is active any heating demand for less than the number of steps defined on FS55 is neglected 1 16 FS 56 Capacity modulation number of capacity steps active in case of cooling heating demand and domestic hot water function active at the same time...

Page 41: ...nt Dec int Auxiliary relay n 2 US 5 Auxiliary relay n 2 working mode 0 Disabled 1 Always enabled with direct action 2 Enabled along with the unit with direct action 3 Always enabled with inverse action 4 Anabled along with the unit with inverse action 0 4 US 6 Analogue input for management of auxiliary relay n 2 1 66 US 7 Auxiliary relay n 2 set point 50 0 58 0 0 0 110 230 50 0 725 C F Bar Psi Dec...

Page 42: ...2 1 66 US 25 Auxiliary proportional output n 2 set point 50 0 58 0 0 0 110 230 50 0 725 C F Bar Psi Dec int Dec int US 26 Auxiliary proportional output n 2 differential 0 0 0 0 0 0 25 0 45 14 0 203 C F Bar Psi Dec int Dec int US 27 Auxiliary proportional output n 2 minimum value 0 US28 US 28 Auxiliary proportional output n 2 maximum value US27 100 Auxiliary proportional output n 3 0 10V DC US 29 A...

Page 43: ... Dec int Dec int AL 10 High pressure temperature alarm from analogue input differential 0 1 0 0 1 1 25 0 45 14 0 203 C F bar psi Dec int Dec int AL 11 Maximum number of high pressure temperature alarm digital or analogue input occurrences per hour If the number exceeds AL11 the alarm becomes manual reset Reset is always manual if AL11 0 Reset is always automatic if AL11 60 Reset moves from automat...

Page 44: ...set point Defines the temperature value below which the antifreeze low room air temperature low outlet air temperature alarm is activated AL32 AL33 C F Dec int AL 35 Antifreeze low room air temperature low outlet air temperature alarm differential 0 1 0 25 0 45 C F Dec int AL 36 Antifreeze low room air temperature low outlet air temperature alarm delay in cooling mode Delay on activation of the an...

Page 45: ...high discharge temperature AL 50 Compressors high discharge temperature alarm set point 50 0 150 302 C F Dec int int AL 51 Compressors high discharge temperature alarm differential 0 1 0 25 0 45 C F Dec int AL 52 Maximum number of compressors high discharge temperature alarm occurrences per hour When this number is exceeded the alarm moves from automatic to manual reset Reset is always manual if A...

Page 46: ... procedure 0 999 Electronic thermostatic driver Parameter Description min max um Resolution Et1 Type of gas 1 R22 2 R407c 3 R134a 4 R410a 5 R404a 6 R507c 1 6 Configuration of the probes connected to the driver Pressure probe Temperature probe 0 Not present Pt1000 1 Not present NTC 2 0 5V Pt1000 3 0 5V NTC 4 4 20mA Pt1000 Et2 5 4 20mA NTC 0 5 Et3 Evaporating pressure measurement type 0 Relative 1 A...

Page 47: ...imum number of valve regulating steps Defines the number of steps which the valve moves to when the opening is 100 Et21 8000 Et21 Minimum number of valve regulating steps Defines the number of steps which the valve moves to when the opening is 0 0 Et20 Et22 Rated operational current of the stepper motor during regulation Defines the rated operational current per winding of the valve during regulat...

Page 48: ...ode Et49 PID proportional band in heating mode 0 0 50 122 C F dec Int Et50 PID integral time in heating mode 0 250 Secs Et51 PID derivative time in heating mode 0 250 Secs Et52 Superheating set point in heating mode 0 0 25 77 C F dec Int Et53 Superheating dead band in heating mode 0 0 5 41 C F dec Int Et54 High superheating set point The alarm situation is notified after the high superheating alar...

Page 49: ...ammable VISOGRAPH graphical keyboard supply the user with a versatile solution easy to customise 6 1 IPRO RANGE CONTROLLER LEDS MEANING WORKING The following table shown the meaning and the working mode of the LEDs LED MODE MEANING PWR ON On Module powered ALARM On fixed Indicates the presence of a general alarm situation TX RX CanBus Flashing Communication active TX RX CanBus Fixed No communicati...

Page 50: ...V 4 20mA NTC PTC digital input Analogue outputs 2 configurable 0 10V external relay driving PWM signal 4 configurables 0 10V signal external relay driving Relay outputs 1 x 8 3 A 250V SPDT 9 x 5 2 A 250V SPST Remote terminal N 1 output for connection of up to two remote terminals 150M RTC Serial outputs 1 USB 1 Ethernet 1 connecter for GSM modem XWEB modem 1 RS485 master with Mod_BUS communication...

Page 51: ...C digital input Analogue outputs 2 configurable 0 10V external relay driving PWM signal 4 configurables 0 10V signal external relay driving Relay outputs 3 x 8 3 A 250V SPDT 12 x 5 2 A 250V SPST Remote terminal N 1 output for connection of up to two remote terminals 150M RTC Serial outputs 1 USB 1 Ethernet 1 connecter for GSM modem XWEB modem 1 RS485 master with Mod_BUS communication protocol 1 RS...

Page 52: ... 2010 Page 52 of 191 Version 02 03 2010 7 3 NTC PTC PROBES ANALOGUE INPUTS PbC Probes common terminal 7 4 DIGITAL INPUTS GND common inputs terminals n 50 and n 61 are connected internally 7 5 4 20MA PRESSURE TRANSDUCERS ANALOGUE INPUTS ...

Page 53: ... proportional regulation only for 1 phase fans WARNING the PWM signal is compatible only with Dixell modules 7 8 OUTDOOR FAN SPEED 0 10V 4 20mA OUTPUTS Using one or more 0 10V or 4 20mA output signal it is possible to drive one or more phase cut modules for the proportional regulation of 3 phase fans for powers up to 8KW GND common OUT1 OUT6 0 10V configurable OUT5 OUT6 also 4 20mA Phase cut modul...

Page 54: ...4 of 191 Version 02 03 2010 7 9 SERVOMOTORS CONTROL 0 10V 4 20MA PROPORTIONAL OUTPUTS GND common OUT1 OUT6 outputs configurable with 0 10V signal OUT5 OUT6 outputs also configurable with 4 20mA signal Phase cut module for outdoor fan speed control ...

Page 55: ...COLLECTION It is possible to connect up to two remote terminals in parallel each with an NTC probe on board If the remote terminal with NTC probe is used the display of the controlled temperature and or temperature control can be given by the probe on the terminal The remote terminals can be interfaced directly using a SHIELDED cable up to 150M WARNING If the power supply polarity is not respected...

Page 56: ...ed to the iPro CHILL for increasing the I O number Their address must be between 5 Expansion module number 1 to 8 expansion module number 4 and must be consecutive that is if 2 modules are configured they must have addresses 5 and 6 8 1 EXPANSION MODULE LEDS MEANING WORKING The following table gives the working mode of the LEDs LED MODE MEANING PWR ON On Module powered ALARM On fixed Indicates the...

Page 57: ... on the contact Analogue inputs 7 configurables 0 1V 0 5V 0 10V 2 20 mA 4 20mA NTC PTC digital input Analogue outputs 3 configurables with 0 10V signal external relay piloting Relay outputs 6 5 2 A 250V Serial outputs 1 CANbus Dip Switch 4 positions for recognition address The wiring of the analogue and digital inputs and the analogue outputs of the expansion module takes place using the same meth...

Page 58: ...n modules Use the relevant DIP switch to determine an unmistakable address between the connected modules Only use the connection between the GND terminals if there are communication problems between the modules Use the jumper supplied to short circuit the Term connector on the programmable unit and in the expansion module furthest away after the connections have been made Dip switch expansion modu...

Page 59: ...resses 1 and 2 10 1 DRIVER MODULE LEDS MEANING WORKING The following table gives the working mode of the LEDs LED MODE MEANING PWR ON On Module powered ALARM On fixed Indicates the presence of a general alarm situation TX RX Flashing CAN Bus or LAN communication active TX RX Fixed No communication OPEN V1 Flashing Indicates that valve 1 is opening OPEN V1 Fixed Indicates that valve 1 is completely...

Page 60: ...ing mode entire step Piloting mode entire step Bipolar valves 4 wires Current 0 9A max TF20 transformer 20VA Current 0 9A max per valve TF40 transformer 40VA Unipolar Valves 5 6 wires Current 0 33A max TF20 transformer 20VA Current 0 33A max per valve TF20 transformer 20VA 10 2 UNIPOLAR BIPOLAR VALVES DRIVER CONNECTION MODE Observe the table given below for rapid reference to the connection method...

Page 61: ...4V Ac dc Analogue inputs PB1 PB2 configurable analogue inputs NTC PTC Pt1000 PB3 PB4 configurable analogue inputs NTC PTC Pt1000 4 20mA 0 5V Unipolar bipolar model motorised valve motor piloting outputs Up to 2 see product order code Serial outputs 1 CANbus for connection to the iPro CHILL range 1 Lan for connection to the ichill IC200 range Dip Switch 4 positions for recognition address ...

Page 62: ...driver modules Use the relevant DIP switch to determine an unmistakable address between the connected modules Use the connection between the GND terminals only if there are communication problems between the modules Use the jumper supplied to short circuit the Term connector on the programmable unit and in the driver module furthest away after the connections have been made DIP switch Drive module...

Page 63: ...e 1 2 of 01 01 2010 Page 63 of 191 Version 02 03 2010 11 3 NTC PTC PT1000 PROBE ANALOGUE INPUTS PbC common probes 11 4 0 5V RATIOMETRIC PRESSURE TRANSDUCERS ANALOGUE INPUTS 11 5 4 20MA PRESSURE TRANSDUCERS ANALOGUE INPUTS ...

Page 64: ...ect polarity of the line Use a shielded serial cable which must be kept away from power cables and any source of electromagnetic interference Keep the TTL cable way from any source of electromagnetic interference It is important not the connect the serial cable shield to the electric plant earth Every device requires a unique serial address The address must be programmed via parameter Refer to the...

Page 65: ...elease 1 2 of 01 01 2010 Page 65 of 191 Version 02 03 2010 12 2 RS485 MASTER SERIAL OUTPUT CONNECTION WITH MODBUS PROTOCOL Using the RS485 MASTER serial output it is possible to connect up to a maximum of 100 devices ...

Page 66: ...control and supervision from local or remote Dixell offers a complete range of systems able to satisfy all control and supervision needs even in the most complex systems and in systems of all sizes XWEB 300 XWEB500 Monitoring and controlling systems XWEB 3000 Industrial monitoring and controlling system XWEB 5000 Monitoring controlling and supervising system WARNING It is important not to connect ...

Page 67: ...odem or serial modem is used continuously they must be reset at regular intervals to guarantee the right working If a GSM modem is used it is recommended to use the Modem reset relay on board the iPro CHILL which is especially studied for this application and also to wire the GSM modem power supply as shown in the figure If a Dixell XWEB serial modem is used reset takes place automatically via the...

Page 68: ... always has a network output on board ENABLING OF OPTIONAL FUNCTION through which it is possible to interface from local directly with a PC and in remote using the INTERNET INTRANET network with the programmable controller 14 1 LOCAL CONNECTION TO THE PC This type of connection will allow you to access the programmable controller from any PC connecting it directly onto the network port In this cas...

Page 69: ...access the iPro CHILL from any PC connected to internet Enter the address of the server into the Browser bar memorise this address in favourites Ask your ISP for all details inherent the supply contract for the access to internet with a static IP the minimum system requisites are the following Broad band connection ADSL etc At least one static IP available for iPro CHILL The connection to internet...

Page 70: ...2 03 2010 15 USING THE USB PORT 15 1 USB PORT HOST The iPro CHILL range always has a USB port on board through which the following can be performed using a standard pen drive Download applications parameter maps data logger alarms data logger Upload parameter maps ...

Page 71: ... to monitor and modify the status of the unit On unit switch on the main screen will be the following If the unit is managed from remote or during switch off from time period the screen will be If the unit has been configured as AIR AIR during clock off it is possible to decide whether to enable ventilation or not in this case the screen will be ...

Page 72: ...modify it repeat the operation just described ONCE THE TIME AND DATE HAVE BEEN MODIFIED RE START THE IPRO Press the ESC key several times to go back to the main screen To set the values to be displayed on the keyboard modify the parameters from DP1 to DP4 see Programming parameters paragraph 16 2 UNIT SWITCH ON IN CONDITIONING OR HEATING MODE To switch the unit on if the parameter SP6 0 press for ...

Page 73: ...unt to indicate that the anti freeze support heaters are active automatic switch off and or energy saving is enabled during the current day to indicate that the unit is working within the energy saving period or that the dynamic set point is active Below find a typical screen during working in cooling mode 16 3 SET KEY To set the set point of the cooling and or heating from the main screen press S...

Page 74: ...odes the real set point is also displayed If the energy saving or the dynamic set is active the Real Cooling or Heating represent the set point value including the energy saving delta or of the dynamic set while the set point represents the real set when the energy saving or the dynamic set are not active Press the ESC key several times to go back to the main screen 16 4 PROBES KEY To see the vari...

Page 75: ...hose configured In order to display the variables relative to the individual circuit press the relative key For example if the variable of circuit 1 is to be displayed press By pressing the key all of the other variables of the circuit selected can be seen Press the ESC key several times to go back to the main screen ...

Page 76: ...ogress screen Three types of alarms can be present Resettable in this case the alarm has returned and can be reset Position the cursor on the same and press RESET Password in this case the alarm has returned but a password is required to reset it Active the alarm is still in progress If there are several resettable alarms instead of selecting them one by one press RST ALL and they will all be rese...

Page 77: ... set the password Press ENTER to confirm If the password is correct the following message will be displayed If the password introduced is incorrect the following message will be displayed If the password is correct after a few minutes you will go automatically back to the alarms screen ...

Page 78: ...rcuit and the activation status of the compressor number of partialisations active If the compressor has no number on the right it means that it is at full power If unloading should be active the maximum number of steps active will be displayed Condensation evaporation probes The screen shows the condensation and evaporation pressures of every circuit present If the valuer of the parameter SP1 is ...

Page 79: ...tus of the evaporator pump or evaporator pumps if the support is present Status of the condenser pump or of the pumps if the WATER WATER support is present Condensation fans proportional or with steps AIR AIR or AIR WATER By pressing the or keys pass from one screen to another ...

Page 80: ...e control parameters DP Displays parameters to be viewed CF Displays the basic configuration parameters of the unit SP Displays the set up parameters Sd Displays dynamic set point parameters ES Displays energy saving and automatic timed switch on off parameters CO Displays compressor parameters PA Displays evaporator condenser heating parameters Pd Displays pump down function parameters Un Display...

Page 81: ...ers relevant password required Use the UP and DOWN cursors to select the family of parameters and press ENTER To modify a parameter position the cursor on the same and use the UP and DOWN cursors and press SET The element starts to flash Increase or decrease the value using the UP and DOWN keys Confirm the modification by pressing the SET key again The cursor will automatically position itself on ...

Page 82: ...n for the configuration of the three time bands To modify the values position the cursor on the element and press the SET key The element starts to flash Increase or decrease the value using the UP and DOWN keys Confirm the modification by pressing the SET key again The cursor will automatically position itself on the next element to modify it repeat the operation just described By pressing the ke...

Page 83: ... each individual compressor it is possible To reset the working hours Reset the number of start ups Disable compressor working e g perform maintenance To reset the values position the cursor on the element and press the RESET HOURS or RESET STARTS key The cursor will automatically position itself on the next element to modify it repeat the operation just described To enable or disable a compressor...

Page 84: ...s 16 7 5 Alarms display This menu contains the same information described in paragraph 16 5 16 7 6 Historical alarms All alarms occurring are memorised in this screen Differently to the alarms display where the alarms can be reset once the event has returned in this menu all types of alarms remain memorised and can be reset only if the password is known To reset the alarms operate as follows Press...

Page 85: ... set the password Press ENTER to confirm If the password is correct the following message will be displayed If the password introduced is incorrect the following message will be displayed If the password is correct after a few minutes you will go automatically back to the alarms screen ...

Page 86: ...r every circuit present By selecting the circuit affected and pressing ENTER pass to the following screen The key allows forcing of the defrost cycle 16 7 8 Heaters Liquid line solenoid valve This menu allows to display the active and or deactivated heaters and any active and or deactivated liquid line solenoid valves only the resources configured are displayed ...

Page 87: ...s that have been defined The I O units have been divided by groups as in the screen below By pressing the ENTER key it is possible to enter every I O unit 16 7 10 Thermostatic In this menu it is possible to check the working status of the valve and or electronic thermostatic valves for every circuit defined Press the ESC key to go back to the main screen ...

Page 88: ...ry working The following information may be available Status of the recovery function o Disabled o Disabled from key o Enabled o Active Type of priority o User side o Recovery side Press the ESC key to go back to the main screen 16 7 12 Auxiliary outputs Using this menu it is possible to display the status of the auxiliary outputs if present Press the ESC key to go back to the main screen ...

Page 89: ... the free cooling working The following information may be available Status of the free cooling function o Not active o Disabled from key o Disabled from anti freeze o OFF o ON Type of priority o Condensation o Free cooling o External ventilation By pressing the key pass to the next screen where the following information is available Press the ESC key to go back to the main screen ...

Page 90: ...n be modified By selecting the desired circuit and pressing ENTER the following information can be displayed 16 7 15 Control panel Your own LCD keyboard can be customised in this menu The possible options in this menu are Contrast regulation Back light time ON regulation from 0 to 200 seconds or always on Language selection Italian English Italian Information regarding the system Release software ...

Page 91: ...with the parameter SP06 0 in heating and in cooling mode if the parameter SP06 1 With unit on the relative icon is visible in the display It is possible to pass from cooling mode to heating mode by just switching the unit off SET THE UNIT IN STAND BY The device is in stand by when both and keys are visible The stand by mode is obtained every time that the unit is of from cooling or heating working...

Page 92: ... fixed delay time which is signalled by flashing of the cooling LED or the heating LED The flashing indicates the working state in which the unit will be switched back on respecting the compressors protection times 17 4 CHANGE OVER FUNCTION The status change over can only take place if these necessary conditions are present at the same time otherwise the unit REMAINS in stand by 1 CF02 3 cooling h...

Page 93: ...ng in automatic mode RTC time period enabling manual keyboard and is not active it enables the working via the internal clock The unit is only on within the time period 18 2 WORKING WITH VENTILATION ONLY DIGITAL INPUT AIR AIR UNIT ONLY This working mode is only enabled if the clock is present and enabled If a digital input exists that is configured as Digital input working with supply ventilation ...

Page 94: ... from digital input 19 3 WORKING WITH DIGITAL INPUT CONFIGURED AS HEATING REQUEST Unit configured as motor condensing CF04 1 Heating request digital input motor condensing With contact NOT active unit in OFF With contact active unit in ON in heating mode With contact active unit in heating working mode the steps if available will be called by the digital inputs configured as resources in the circu...

Page 95: ...r water inlet NTC temperature probe 13 circuit n 1 condenser water outlet NTC temperature probe 14 circuit n 2 condenser water outlet NTC temperature probe 15 circuit n 3 condenser water outlet NTC temperature probe 16 circuit n 4 condenser water outlet NTC temperature probe 17 condenser water common outlet NTC temperature probe WARNING If the same temperature control is required in cooling and he...

Page 96: ... Version 02 03 2010 21 1 COMPRESSORS PROPORTIONAL TEMPERATURE CONTROL GRAPHICS UNIT Compressors regulator working in cooling mode graphics if ST12 1 just of circuit n 1 Compressors regulator function in heating mode graphics if ST12 1 just in circuit n 1 ...

Page 97: ... Page 97 of 191 Version 02 03 2010 21 2 CIRCUIT N 2 COMPRESSORS PROPORTIONAL TEMPERATURE CONTROL GRAPHICS Compressors regulator working in cooling mode graphics with ST12 1 Compressors regulator working in heating mode graphics with ST12 1 ...

Page 98: ...TEMPERATURE CONTROL GRAPHICS Compressors regulator function in cooling mode graphics If ST12 1 the working set point of the second circuit is ST13 and the band is ST19 Compressors regulator working in heating mode graphics If ST12 1 the working set point of the second circuit is ST16 and the band is ST20 ...

Page 99: ... is established by the switch on delay between steps parameter The solution is fixed in tens of minutes The function is disabled if the value of the parameter is 0 Par Maximum working time with proportional temperature control of a step without insertion of other resources with at least one step inserted With just one compressor on the time set is calculated On expiry of this the insertion of a co...

Page 100: ...rent to zero or ES01 ES06 do not have the same value 25 1 ENABLES THE DAILY WEEKLY WORKING IN ENERGY SAVING AND AUTOMATIC SWITCH ON OFF MODE Enter parameters programming 1 select the parameter ES07 using UP or DOWN Monday lower display upper display 0 0 energy saving function switch on off disabled Press SET in the upper display 0 0 flashing with UP or DOWN keys Set enabling with the time period s...

Page 101: ...tart up and stopping of all circuits according to FIFO logic i e the first circuit started in the case of a cooling request will be the first to stop when the request ends At the successive request the circuit at a standstill for the longest time will be started up 26 5 SELECTION OF THE CIRCUIT FOR BALANCING Balancing the circuits the power steps are on in a way that the circuits distribute the sa...

Page 102: ...eatest n of peaks per hour 26 9 SELECTION OF COMPRESSORS IN THE CIRCUIT ON THE BASIS OF COMPRESSOR WEIGHT Switch on the combination of compressors is selected that allows minimum increase of the power to be used In the case of the same increase of power to be used the combination is selected that globally has the least n of working hours or least n of hourly peaks Switch off the combination of com...

Page 103: ...mpressor start up parameter 0 direct start up 1 part winding start up 2 star delta start up The relay resources must be configured correctly in the CF family in order to manage compressor s start up Once the type of start up has been selected if the resources relay outputs are incorrectly configured over dimensioned or insufficient an ACF6 configuration error is generated on the display 27 1 DESCR...

Page 104: ...h on is requested at full compressor load first the partialisation solenoid is excited always the step with the lowest index the part N 1 and after 1 second fixed time the relay configured is activated as compressor 1 PW n 1 relay K1 Fig 2 With the start up procedure concluded the delay CO15 even if working at minimum power has been enabled from the parameter but the heat regulator does not reques...

Page 105: ...28 PARTIALISATIONS WORKING CO08 partialisations working The relays configured as partialisation are managed by on off temperature control as per compressor regulator graphics and in the three tables given below Par CO06 0 ON OFF insertion with steps 0 step insertion In the case of the partialisation by temperature control and on the basis of the polarity chosen only one step can be inserted remove...

Page 106: ...ll remain inserted removed on the basis of the polarity chosen N 1 compressor with three partialisations 4 steps are available in the circuit Par CO08 3 Continuous direct global step insertion 3 continuous insertion the partialisation steps are all inserted removed on the basis of the polarity chosen In the case of partialisation request due to temperature control only the requested step is insert...

Page 107: ... off is always activated it allows the compressor to start in minimum load conditions On start up it remains active for CO15 after which it is unexcited and not considered as a partialisation step The time CO15 is reloaded ever time the compressor is switched off If compressor 1 is configured with three partialisations with CO09 3 the compressor partialisation n 1 with compressor off is always act...

Page 108: ...rature measured drops below the CO51 set point the CO52 differential 30 COMPRESSOR WITH INVERTER MANAGEMENT FUNCTION NOT AVAILABLE The 0 10V signal is supplied by one of the device 4 analogue inputs that can be configured The signal can be controlled in pressure or in temperature mode NTC probe There can be up to 3 steps in one circuit 1 modulating comp 2 ON OFF The logic in cooling and heating mo...

Page 109: ...us ones will be made up from ON OFF steps The same principle is valid for switch off 31 MANAGEMENT OF THE TEMPERATURE CONTROL OF COMPRESSORS WITH DIFFERENT COOLING CAPACITY FUNCTION NOT AVAILABLE Function enabled with At least 2 compressors configured in the same circuit Weights 0 and at least 1 compressor with different weight in the circuit Working Example 2 circuits with n 2 compressors per cir...

Page 110: ...bsent the pump is not managed 1 Continuous Working Pump switch on is linked to unit switch on If the parameter PA02 is different to 0 by selecting the cooling heating mode the heat regulator requests compressors switch on this only takes place if the time set has passed The water pump only deactivates when the unit switches off unit in stand by If parameter PA04 is different to 0 by positioning th...

Page 111: ...hours A sum of the workings is made with configuration n 2 plus configuration n 3 The pump rotates every time that the unit is switched off and when the working hours are reached Warning also with the pumping unit function enabled the switch on off times between the compressors and pump are respected 35 2 ROTATION OF THE EVAPORATOR WATER PUMPS FROM DIGITAL INPUT The function is enabled if The pump...

Page 112: ...the Par Supply fan operational mode 0 Absent the supply fan is not managed 1 Continuous Working Supply fan switch on is linked to unit switch on If the parameter PA02 is different to 0 by selecting the cooling heating mode the heat regulator requests compressors switch on this only takes place if the time set has passed The supply fan only deactivates when the unit switches off unit in stand by If...

Page 113: ...rvene with water pump outlet working Regulation of the water pump takes place If the Condenser pump operational mode Par 0 Absent the pump is not managed 1 Continuous Working Pump switch on is linked to unit switch on If the parameter PA18 is different to 0 by selecting the cooling heating mode the heat regulator requests compressors switch on this only takes place if the time set has passed The w...

Page 114: ...imultaneously for the time set in parameter PA24 then the one with most hours of working switches off 4 start rotation plus working hours A sum of the workings is made with configuration n 2 plus configuration n 3 The pump rotates every time that the unit is switched off and when the working hours are reached Warning also with the pumping unit function enabled the switch on off times between the c...

Page 115: ...ansducer is configured and both PD02 and PD03 values are different to 0 the pump down bases itself on these values 3 If a dedicated low pressure switch is configured the pump down basis itself on the same 4 If none of the conditions 1 3 occur and the pump down is active a configuration alarm occurs Pump down on shutdown function active when temperature control requests switch off of the last compr...

Page 116: ...ssure detected by the low pressure transducer to fall below the value set in parameter PD02 If configured parameter PD01 2 or 4 when the pump down function is activated on start up the solenoid valve is opened and the compressor step is not activated while the pressure detected by the low pressure transducer exceeds the value set at parameter PD02 addition of the hysteresis set at parameter PD03 4...

Page 117: ...erwise the LP alarm is signalled with normal methods 44 6 2 Pump down active in switch off and re start based on dedicated pressure switch Pump down pressure switch intervention threshold higher than the intervention threshold of the LP pressure switch On the switch off request of the last step active in the circuit the solenoid valve is closed The evaporation pressure lowers following closure of ...

Page 118: ...p down pressure switch takes place within time PD04 from the opening of the solenoid valve the compressor step is activated If this is not the case there will be a pump down alarm on start up 44 6 4 Pump down active in shut down and in re start based on the analogue input relative to the evaporation pressure The behaviour is the same as described in the 2 previous examples depending on the thresho...

Page 119: ...ressor unloading is managed by the analogue input configured as circuit n 1 evaporation probe or circuit n 2 evaporation probe With the working state selected by compressors ON request if the condensation evaporation pressure is the same as or lower than the CO46 set the circuit unloading function is activated to which the transducer NTC belong Only the steps selected with par CO49 remain inserted...

Page 120: ...nction is managed by means of the analogue input configured as circuit condensation high pressure probe FUNCTION ACTIVATED If the pressure measured by the condensation probe is equal to or exceeds the set for a time that can be set the unloading function of the circuit to which the probe belongs is activated The power available is managed via the parameter chosen of the steps to be inserted into t...

Page 121: ...TEMPERATURE Manages the unloading due to unit inlet water The function is always active and enabled in any working mode with at least 2 power steps in a circuit Used to allow the unit to function via partialisation of the compressors also with evaporator water inlet high temperatures start ups in summer with very hot storage tank and to prevent a possible high pressure intervention The unloading f...

Page 122: ...ed with partialisation steps in the case of working in unloading mode to prevent swings inside the circuit once a step is inserted partialisation valve in ON this step remains activated for a minimum time set in the Par Minimum working time in partialisation ON even if the unloading condition returns and 100 working is requested If the Par is set at 0 the function is disabled and if the unloading ...

Page 123: ...vaporation pressure When the compressor switches off the fans switch off on the basis of the controlled value of the condensation temperature pressure and evaporation pressure Par FA01 4 Par FA02 0 On when the compressor is active with proportional regulation PWM output 0 10V controlled by the condensation temperature pressure When the compressor switches off the fans switch off independently from...

Page 124: ...ensation temperature pressure probes in HEATING mode if the evaporation pump is not configured on the minimum between the circuits evaporation pressure probes WARNING if the Par FA01 2 3 and the Par FA05 0 the step regulation in exchange and continuous mode will be obtained by configuring the resources of circuit n 1 relay outputs using the differential of circuit n 1 and the fan circuit breaker a...

Page 125: ... 1 2 of 01 01 2010 Page 125 of 191 Version 02 03 2010 46 4 PROPORTIONAL FAN REGULATOR GRAPHICS 46 5 CONDENSATION FAN REGULATOR ON OFF IN COOLING MODE GRAPHICS 46 6 CONDENSATION FAN REGULATOR ON OFF IN HEATING MODE GRAPHICS ...

Page 126: ...2 regulates on evaporator 1 2 output If both are configured and only one present regulates only on the circuit where the probe is present the other remains uncovered Ar07 3 regulates on evaporator 3 4 output If both are configured and only one present regulates only on the circuit where the probe is present the other remains uncovered Ar07 4 regulates on 1 2 3 4 evaporator outlet Ar07 5 regulates ...

Page 127: ...e heaters is to be performed in cooling and heating working mode Par Ar08 0 The temperature control and management of the anti freeze alarm are disabled Par Ar08 1 The temperature control and management of the anti freeze alarm and parallel management of the circuit n heaters relay outputs is performed via the NTC probe configured as condenser water inlet Par Ar08 2 The temperature control and man...

Page 128: ...point and the temperature of the water detected by the temperature control probe in heating mode is lower than the work set point the heaters are inserted The heaters are switched off on reaching the work set point work differential During working with heater active if the external air temperature exceeds the Ar13 set the Ar14 differential value the heaters are switched off and the Ar15 time is re...

Page 129: ...Defrost can only take place if the following necessary conditions are present at the same time unit with heating dF01 is different to 0 defrost enabled unit in heating working mode with at least on compressor running the evaporation condensation probe must be defined per circuit If the evaporation probe s is are defined in heating mode the start end of the defrost cycle is managed on the basis of ...

Page 130: ...st end condition START OF THE DEFROST CYCLE IN UNITS WITH SEVERAL CIRCUITS Depends on the value of the parameter dF27 0 independent 1 if all have reached the defrost start request 2 if at least one has reached the defrost start request PHASE 3 management of the reverse valve Par dF07 stand by time in OFF of the compressor before defrost If dF07 0 the valve is turned without any compressor block an...

Page 131: ...esent in the unit are switched off the compressor s LED flashes during this phase 2 If dF23 2 and the external air probe is configured The condensation fans start at maximum speed if the pressure temperature dF25 3 If dF23 2 and the external air valve is not configured the condensation fans start at top speed 4 Wait for a time equal to dF08 2 5 Deactivate the reverse valve 6 Wait for a time equal ...

Page 132: ...starts and defrost takes place The compressor protection times are not respected with this procedure therefore compressor switch off and relative switch on again are immediate If dF07 0 the compressor is not stopped and the reverse valve turns immediately dF08 Stand by time after defrost the compressor LED flashes during this phase at the end of the defrost cycle the device stops the compressor fo...

Page 133: ...uit n 1 0 disabled 1 enabled dF19 forcing off all resources available in ON in circuit n 2 0 disabled 1 enabled dF20 forcing off all resources available in ON in circuit n 3 0 disabled 1 enabled dF21 forcing off all resources available in ON in circuit n 4 0 disabled 1 enabled dF22 switch on delay time between defrost steps dF23 Enabling of the condensation ventilation in ON during defrost drippin...

Page 134: ...ensation ventilation is enabled if the external air temperature than dF25 defrost takes place via hot gas compressor on If dF23 2 during dripping time if dF08 set different to 0 ventilation is forced to maximum for the time set in dF08 only if the temperature measured by the probe configured as external air temperature probe value set in par dF25 WARNING With defrost with just ventilation enabled ...

Page 135: ...he digital input is configured as heat recovery request circuit n 1 is active With digital input active the relay output configured as circuit n 1 heat recovery valve is activated When the unit enters heat recovery mode as requested by the digital input the heat recover mode status even if the digital input request expires is maintained for a minimum time set in the par rC04 minimum working time i...

Page 136: ...n time after rotation of the recovery valve has passed if the temperature control requests the previously deactivated power step is re activated WARNING In all circuits with compressors off due to heat adjustment the recovery valve output is deactivated even if the heat recovery request from digital input is active 51 2 UNIT WITH TWO PARALLEL HYDRAULIC CIRCUITS WORKING Par rC01 2 units with parall...

Page 137: ...ted on expiry of the time set in the Par rC03 step forced deactivation time If temperature control requests power steps can be inserted after deactivation of the recovery valve ENTRY INTO HEAT RECOVERY MODE OF THE CIRCUITS WITH ALL CIRCUIT POWER STEPS ACTIVATED If there is 100 working situation in the circuit n e g circuit configured with 3 compressors and all 3 on with heat recovery request from ...

Page 138: ...e available steps are removed in succession until they are all removed when the temperature is equal to the Set THE TEMPERATURE CONTROL WORKING PRIORITY CAN BE MODIFIED VIA PARAMETER 52 1 USER SIDE PRIORITY rC02 0 User side priority Heat recovery working mode is obtained only if the unit is in cooling mode with at least 1 compressor running on call of the recovery temperature control In this case ...

Page 139: ...ng set the differential rC07 heat recovery enabling differential the heat recovery function is enabled in the circuit to which the transducer NTC probe belong NOTES HEAT RECOVERY ENABLING DISABLING To prevent prolonged working in heat recovery disabling with temperature pressure conditions between deactivation set and activation differential when the condensation temperature pressure is below the ...

Page 140: ...lve the compressors protection times are annulled but the delay times between the switch off of two steps and between the successive re starts of the same after change over of the valve is kept Heaters for production of domestic hot water The domestic hot water is mainly produced using the compressors The heaters for the production of domestic hot water are used only if one or more compressors are...

Page 141: ...obe is in error conditions If the temperature control probe cooling or heating goes into error condition during the production of domestic hot water the unit will not be blocked but the cooling or heating temperature control will be disabled and the production of domestic hot water will remain active If an alarm occurs that blocks the unit during the production of domestic hot water on return of t...

Page 142: ...ters configured for domestic hot water will be on eventually the compressors will be switched off by the unloading in order to take the water to set point Once the set point has been satisfied the compressors are switched off in succession with delay defined by the parameter CO5 while the heaters are switched off on reaching the set point FS14 band FS21 During the minimum working time antilegionel...

Page 143: ...r the production of domestic hot water and temperature control will be carried out according to the layout on the previous pages This working mode is kept until the FS03 set is reached Once the domestic hot water set has been reached output 2 is activated for the production of domestic hot water and after the delay FS10 output 1 is deactivated for the production of domestic hot water When the dela...

Page 144: ...tput 2 is deactivated for the production of domestic hot water and temperature control will be carried out according to the layout on the previous pages This working mode is kept until the FS03 set is reached Once the domestic hot water set has been reached output 2 is activated for the production of domestic hot water and after the delay FS10 output 1 is deactivated for the production of domestic...

Page 145: ... the delay FS10 output 1 is deactivated for the production of domestic hot water After the delay FS27 the circulation pump for the domestic hot water is deactivated After the delay of dF08 2 from the switch off of the compressors the status of the 4 way valve is inverted Whenever a cooling request should arrive the compressors will be switched on only after the conclusion of the delay dF08 from sw...

Page 146: ...with the activation of the relative pump the condensation fans are forced to maximum speed or are kept active at the speed implemented by the condensation pressure according to settings of parameter FS41 This allows to store the largest amount of refrigerant possible in the condensing coil If during this period the condensing pressure drops below the threshold FS42 or the evaporation pressure drop...

Page 147: ... System water inlet free cooling NTC temperature probe External air water temperature free cooling NTC temperature probe 54 1 2 DIGITAL OUTPUTS Relay output configured as free cooling ON OFF valve Relay outputs configured as fractioned coil solenoid 54 1 3 ANALOGUE OUTPUTS 0 10V analogue output configured as shutter free cooling mixer valve 54 2 FREE COOLING WITH INTERNAL FAN LAYOUT ...

Page 148: ...as no effect The internal or external free cooling coil pre treats the water before it enters the evaporator independently from temperature control If the temperature difference between the value detected by the system water inlet probe and that detected by the external air probe is grater than or the same as the value set in the input output free cooling differential FC02 parameter for the input ...

Page 149: ... placed in OFF if the temperature measured by the evaporator outlet probe s of circuit 1 2 or common unit is free cooling mode anti freeze alarm prevention control set The normal regulation starts when the temperature measured by the evaporator outlet probe s of circuit 1 2 or common anti freeze alarm prevention control set the free cooling anti freeze alarm prevention differential 54 5 FREE COOLI...

Page 150: ...witch on request normal cooling regulation only takes place in the circuit with request while the regulation inside the other remains on the basis of the temperature detected by the temperature control probe 54 8 FRACTIONED BATTERY If the condensation temperature or pressure on the basis of unit configuration reaches the set point defined the control opens the valves to increase the external coil ...

Page 151: ...t not enabled 1 Output always enabled with direct action working also in stand by OFF remote 2 Output enabled with direct action working only with unit in ON with cooling heating working mode enabled otherwise not enabled 3 Output always enabled with reverse action working also in stand by OFF remote 4 Output enabled with reverse action working only with unit in ON with cooling heating working mod...

Page 152: ...6 WORKING OF THE AUXILIARY ANALOGUE OUTPUTS 0 10 VOLT The regulation is carried out according to the following graphics Auxiliary output 1 2 3 4 direct action Auxiliary output 1 2 3 4 direct action Auxiliary output 1 2 3 4 reverse action Auxiliary output 1 2 3 4 reverse action ...

Page 153: ...compressor alarm 57 1 COMPRESSORS BLOCK ALARMS If the compressors are OFF for Temperature control Stand by Remote OFF if AL30 0 the following alarms are ignored Thermal overolad compressors 1 to 16 if AL15 0 the following alarms are ignored Oil low pressare low level compressors 1 to 16 AL30 Compressor thermal overload alarm detection with compressor OFF 0 Disabled 1 Enabled 0 1 AL15 Oil low press...

Page 154: ...gulation Compressors Off Pump down solenoid valve Off WARNING The unit block or of the compressors fans outlets only occurs if the broken probe is a regulation probe If the alarm comes from a display probe the unit continues to follow normal regulation 57 3 HIGH PRESSURE PRESSURE SWITCH ALARM Display label meaning HP1 HP4 circuit n 1 4 high pressure pressure switch alarm Cause of activation With u...

Page 155: ...alarm Cause of activation With unit in ON and compressor pressure switch input active Reset Input deactivation Reset Reset is always manual if AL11 0 Reset is always automatic if AL11 60 Reset passes from automatic to manual if AL11 goes from 1 to 59 reset procedure in functions menu Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Reverse valve it follows ...

Page 156: ... a standstill 4 AL02 0 the low pressure alarm is inhibited during compressor stopping in pump down mode and with compressor at a standstill for the time set Reset Input deactivation Reset Automatic it becomes manual after AL05 interventions hour reset procedure in functions menu Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Reverse valve it follows its r...

Page 157: ...ected Off Compressor not affected It follows its regulation Pump down solenoid valve It switches off if there is only 1 compressor per circuit otherwise it follows its regulation OIL ALARM WORKING DUE TO PRESSURE SWITCH OR FLOAT SCREW It is possible that both safety systems can exist together in certain applications The delay the active input duration and the number of interventions per hour are u...

Page 158: ...very valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay It follows they follow its their regulation Idle running valve It follows its regulation Supply ventilation It follows its regulation Condensation ventilation If the Par FA02 0 fan working mode dependent on the compressor With alarm active the fans are forced to maximum speed for 60 seconds bef...

Page 159: ... for time AL07 in correspondence with valve inversion on compressor switch on for the time AL01 Reset If the condensation control probe measures a set temperature AL03 differential AL04 Reset Automatic it becomes manual after AL05 interventions hour reset procedure in functions menu Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Reverse valve it follows i...

Page 160: ...ndence with valve inversion on compressor switch on for the time AL01 Reset If the evaporation control probe measures a temperature of the AL03 set differential AL04 Reset Automatic it becomes manual after AL05 interventions hour reset procedure in functions menu Icon flashing Action Relay buzzer activated Regulators Alarm Relay buzzer activated Reverse valve it follows its regulation Recovery val...

Page 161: ...r AL37 interventions hour reset procedure in functions menu Icon flashing Action If AL38 0 only the compressors are switched off The label alarm is signalled by the alarm relay buzzer and the heaters are not activated If AL38 1 the compressors are switched off The label alarm is signalled and the alarm relay buzzer are activated If the anti freeze alarm comes from ID the anti freeze heaters are al...

Page 162: ...ctivated If the anti freeze alarm comes from ID the anti freeze heaters are also activated Regulators Alarm If AL46 1 Relay buzzer activated anti freeze heaters Reverse valve it follows its regulation Recovery valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay It follows they follow its their regulation Idle running valve It follows its regulation S...

Page 163: ...ng Action Alarm buzzer relays only activated if the flow switch alarm is activated in normal working phase Regulators Alarm Relay buzzer only activated if the flow switch alarm is activated in normal working phase Reverse valve It follows its regulation Recovery valve It follows its regulation Free cooling on off valve It follows its regulation Anti freeze Support boiler Off Auxiliary relay It fol...

Page 164: ...expiry of AL24 reset procedure in functions menu Icon flashing Action Relay buzzer only activated if the flow switch alarm is activated in normal working phase Regulators Alarm Relay buzzer only activated if the flow switch alarm is activated in normal working phase Reverse valve It follows its regulation Recovery valve It follows its regulation Free cooling on off valve It follows its regulation ...

Page 165: ... ALARM MANUAL RESET On reaching the number of AL16 interventions enter the functions menu reset procedure in functions menu The signal DOES NOT DISAPPEAR if the alarm is still active If managed the water pump can start up and the alarm is by passed for AL18 allowing the regular start up of the unit if the alarm returns in this interval of time AL15 Flow switch alarm delay due to pump activation It...

Page 166: ...ff valve it follows its regulation Auxiliary relay it follows its regulation Idle running valve it follows its regulation Supply ventilation off Condensation ventilation off Support boiler anti freeze off Pump and water evaporator and condenser off Compressors off Pump down solenoid valve off SUPPLY FAN ALARM MANUAL RESET It is necessary to enter the functions menu reset procedure in flashing rSt ...

Page 167: ... water pump Off when the alarm becomes with manual reset Production of domestic hot water function Off Other loads They follow their regulation 57 16 DOMESTIC SOLAR PANELS WATER PUMP FLOW SWITCH ALARM Display label meaning APFL solar panels pump flow switch alarm Cause of activation the flow switch alarm is only active with FS01 0 ID active for the AL16 time from water pump start up after ID activ...

Page 168: ...follows its regulation Support boiler anti freeze It follows they follow its their regulation Pump and water evaporator and condenser It follows its regulation Compressor affected Always off Compressors not affected If Par AL29 0 following their regulation If Par AL29 1 off Pump down solenoid valve It switches off if there is only 1 compressor per circuit otherwise it follows its regulation AL27 C...

Page 169: ...ation ventilation It follows its regulation Support boiler anti freeze It follows they follow its their regulation Pump and water evaporator and condenser It follows its regulation Compressor affected Off Compressor not affected It follows its regulation Pump down solenoid valve It switches off if there is only 1 compressor per circuit otherwise it follows its regulation Liquid injection solenoid ...

Page 170: ...ation With configured circuit ID active Warning if an ID is configured as common condensation circuit breaker the identification labels are displayed together Reset With ID not active Reset Manual reset procedure in functions menu Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Reverse valve it follows its regulation Recovery valve it follows its regulatio...

Page 171: ...e next defrost cycle the output takes place due to temperature pressure otherwise manual reset procedure in functions menu Icon flashing Action Alarm buzzer relays NOT activated Regulators Alarm Relay buzzer NOT activated Reverse valve It follows its regulation Recovery valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay It follows its regulation Idl...

Page 172: ...n pressure or temperature measures a value Un11 Un12 differential By unloading function inserted after the time set Par Un15 Reset Automatic Icon flashing Action Alarm relay buzzer NOT activated Regulators Alarm Relay buzzer NOT activated Reverse valve It follows its regulation Recovery valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay It follows i...

Page 173: ... temperature measures a value rc05 set rC07 differential By heat recovery disabling function inserted after the Par rC08 time set Reset Automatic Icon flashing Action Alarm relay buzzer NOT activated Regulators Alarm Relay buzzer NOT activated Reverse valve It follows its regulation Recovery valve Off Free cooling on off valve it follows its regulation Auxiliary relay It follows its regulation Idl...

Page 174: ...sation pressure temperature or the evaporation pressure measures a value Un13 Un14 With unloading function inserted after the time set Par Un15 Reset Automatic Icon flashing Action Alarm relay buzzer NOT activated Regulators Alarm Relay buzzer NOT activated Reverse valve It follows its regulation Recovery valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary...

Page 175: ... Par Un4 Reset Automatic Icon flashing Action Alarm relay buzzer NOT activated Regulators Alarm Relay buzzer NOT activated Reverse valve It follows its regulation Recovery valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay It follows its regulation Idle running valve It follows its regulation Supply ventilation It follows its regulation Condensation...

Page 176: ...ferential Reset Automatic it becomes manual after Pd7 interventions hour reset procedure in functions menu It is recorded in the historical alarms only with manual reset Icon flashing Action Alarm relay buzzer activated only when the alarm becomes manual reset Regulators Alarm Relay buzzer activated only when the alarm becomes manual reset Reverse valve It follows its regulation Recovery valve it ...

Page 177: ... Automatic becomes manual after Pd8 interventions per hour if Pd9 1 reset procedure in functions menu If Pd9 0 it remains with automatic reset It is recorded in the historical alarms only with manual reset Icon flashing Action Alarm relay buzzer activated only when the alarm becomes manual reset Regulators Alarm Relay buzzer activated only when the alarm becomes manual reset Reverse valve It follo...

Page 178: ...functions menu Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Reverse valve It follows its regulation Recovery valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay it follows its regulation Idle running valve It follows its regulation Supply ventilation Off if no pump is available Condensation ventilation Off...

Page 179: ...ollows its regulation Idle running valve It follows its regulation Supply ventilation Off if no pump is available Condensation ventilation Off if no pump is available Support boiler anti freeze It follows its regulation Evaporator water pump It follows its regulation Condenser water pump Off if no pump is available Compressors Off if no pump is available Pump down solenoid valve Off if no pump is ...

Page 180: ...ated Regulators Alarm Relay buzzer activated Other loads They follow their regulation Display label meaning ALc2 Cause of activation With AL56 1 ID configured unit n 2 block alarm active after the time set in the Par AL58 Reset ID configured as unit n 2 general block alarm not active for the time set in the Par AL59 Reset If AL51 0 always manual If AL51 0 automatic becomes manual after AL57 interv...

Page 181: ... evaporator support n 2 water pump maintenance request Cause of activation Water fan pump working hours timer set Reset Reset working hours in functions menu Reset Automatic after the hours reset Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Other loads They follow their regulation 57 34 CONDENSER PUMPS MAINTENANCE ALARM Display label meaning ACP1 conden...

Page 182: ...d Automatic on off function Deactivated 57 36 RTF ALARM Display label meaning ArtF clock alarm Cause of activation Clock breakdown Reset Clock replacement Reset Manual reset procedure in functions menu Icon flashing Action Alarm relay buzzer activated Regulators Loads They follow their regulation Energy saving function Deactivated if in time span function Automatic switch on off function deactivat...

Page 183: ...r network frequency alarm Cause of activation Network frequency different to that configured in the Par SP11 Reset Network frequency control disabled by parameter SP11 2 or frequency return into the set range Reset Automatic Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Other loads Off ...

Page 184: ...the case of ON OFF with heating enabled regulation the following rule is not respected FA19 FA20 FA29 FA30 If heating is enabled and defrost enabled there is no condensating evaporating probe per circuit If PWM regulation is enabled OUT5 and or OUT6 configured as PWM output continuous power supply has been selected SP13 2 ACF3 Two digital analogue inputs configured with the same function or config...

Page 185: ... 0 but no relay is configured not defined PA01 0 but a relay is configured condenser pump defined PA17 0 but no relay is configured not defined PA17 0 but a relay is configured Evaporator pump for anti freeze configuration alarm if PA09 2 and PA10 0 if PA10 0 and no probes are configured for managing the function Condenser pump for anti freeze configuration alarm if PA25 2 and PA26 0 if PA26 0 and...

Page 186: ...aporator water inlet or free cooling water inlet or external air temperature probes are not defined ACF16 Production of domestic hot water enabled but the unit is configured as air air CF01 0 the domestic hot water pump outlet relay and OUT1 are not defined the domestic hot water regulation probe 1 is not defined ACF17 one or more pressure probes defined on a XEV20D module not configured on parame...

Page 187: ...l timings in progress are annulled and re initialised 4 If a manual reset alarm is present the alarm status is maintained until the key is used to restore conditions 59 AUTOMATIC TO MANUAL RESRT ALARMS DIAGNOSTICS N OCCURRENCES PER HOUR Every hour is divided into 60 intervals 1 minute each 1 Int 2 Int 3 Int 4 Int 5 Int 6 Int 7 Int 8 Int 9 Int 10 Int 55 Int 56 Int 57 Int 58 Int 59 Int On device sta...

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