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Emerson Dixell iProChill IPC115D, Инструкция по применению, Страница: 168 / 205

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1592025050 iProChill v2.5 10D00 AG v1.3 GB 18.02.2016.docx 

iProCHILL 

 

168/205 

 

10.2  HIGH PRESSURE PRESSURE SWITCH ALARM 

 

Alarm code 

b1HP-

…b4HP

 

(circuit n° 1…4 high pressure pressure switch alarm) 

Display in keyboard 

Hi press circ1-

… Hi press circ4 

Cause of activation 

With unit in ON and circuit high pressure pressure switch input active  

Circuit1:

 DI High pressure switch circuit 1(DI type=10) active 

Circuit2:

 DI High pressure switch circuit 2(DI type=11) active 

Circuit3:

 DI High pressure switch circuit 3(DI type=12) active 

Circuit4:

 DI High pressure switch circuit 4(DI type=13) active 

Reset 

Input not activated 

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 (DO type=154

…157) + 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/they follow its/their regulation 

0÷10V proportional output 

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  before 
switching-off 
If the Par. FA02= 1, fan working mode independent from the compressor. With 
alarm  active  the  fans  are  forced  to  maximum  speed  for  60  seconds  and  then 
follow their regulation 

Support/boiler/anti-freeze 

It follows its regulation 

Pump/and water evaporator 
and condenser 

It follows its regulation 

Affected circuits 
compressors 

Off 

Unaffected circuits 
compressors 

They follow its regulation 

Unaffected circuits pump 
down solenoid valves 

They follow its regulation 

Affected circuits pump 
down solenoid valves 

Off 

 
 

 

Содержание Dixell iProChill IPC115D

Страница 1: ...IPC115D V 2 5 APPLICATION GUIDE ...

Страница 2: ...SING UNIT WORKING MODE 22 5 3 1 Working With Digital Input Configuration As Temperature Control Request 22 5 3 2 Working With Digital Input Configured As Cooling Request 22 5 3 3 Working With Digital Input Configured As Heating Request 22 5 4 HOW TO MODIFY THE INFORMATION PRESENT IN THE MAIN SCREEN 23 5 4 1 Select Probes For Display 23 5 5 SET KEY IN MAIN SCREEN 23 5 6 PROBES KEY IN MAIN SCREEN 25...

Страница 3: ...MAIN SCREEN 71 6 6 ALARM BUTTON IN MAIN SCREEN 72 6 7 FREE BUTTON IN MAIN SCREEN 74 6 7 1 Probes Submenu 74 6 7 2 Setpoint Submenu 75 6 7 3 Circuits Submenu 76 6 7 4 Icons Submenu 77 6 8 SERVICE MENU 81 6 8 1 Parameters programming 83 6 8 2 Time Time bands 85 6 8 3 Compressors 86 6 8 4 Water pump 87 6 8 5 Alarms display 88 6 8 6 Historical alarms 89 6 8 7 Defrost 91 6 8 8 Heaters Liquid line solen...

Страница 4: ...UPPLY FAN OVERLOAD ALARM 181 10 15 DOMESTIC HOT WATER PUMP FLOW SWITCH ALARM 181 10 16 SOLAR PANELS WATER PUMP FLOW SWITCH ALARM 182 10 17 COMPRESSOR OVERLOAD ALARM 182 10 18 COMPRESSOR HIGH DISCHARGE TEMPERATURE ALARM FROM ANALOGUE INPUT 183 10 19 EVAPORATOR WATER INLET HIGH TEMPERATURE ALARM 184 10 20 CONDENSATION FAN OVERLOAD ALARM 185 10 21 DEFROST ALARM 185 10 22 UNLOADING ALARM DUE TO HIGH C...

Страница 5: ...docx iProCHILL 5 205 11 NO VOLTAGE 201 12 AUTOMATIC TO MANUAL RESRT ALARMS DIAGNOSTICS 201 13 OUTPUTS BLOCK TABLE 202 13 1 CIRCUIT A OUTPUTS ALARM BLOCK TABLE 202 13 2 CIRCUIT B OUTPUTS ALARM BLOCK TABLE 205 13 3 COMPRESSOR C ALARMS OUTPUTS BLOCK TABLE 205 ...

Страница 6: ...by the End User The device must not be opened Consider the maximum current that can be applied to each relay Make sure that the wires for the probes the loads and the electrical power supply are separated and sufficiently distant from each other without crossing or intertwining with each other In the case of applications in industrial environments it may be useful to use the main filters our mod F...

Страница 7: ...lowing material Separate the power of the device from the rest of the electrical devices connected inside the electrical panel The secondary of the transformer must never be connected to the earth Dixell Srl reserves the right to change the composition of its products even without notice ensuring the same and unchanged functionality 1 1 PRODUCT DISPOSAL WEEE With reference to Directive 2002 96 EC ...

Страница 8: ...plication Chiller water water Chiller air water Heat pump Domestic hot water Free cooling Heat recovery Motor cond unit Type compres to manage Hermetic steps Screw steps Screw Stepless Inverter 0 10 volt Inverter Refcomp Type of Thermo regulation Proportional Step Neutral zone Step less Inverter Principal Functions Anti freeze Auxiliary relay Energy saving Dynamic setpoint Auxiliary heating Evapor...

Страница 9: ... regulation Compressors liquid injection function Control with dedicated PTC probe Compressors discharge high temperature alarm function Control with dedicated PTC probe Complete management of two water side pumping units 2 pumps evaporator side 2 pumps condenser side Customised default display of all variables Temperatures Pressures Other displays available Status of the digital inputs Compressor...

Страница 10: ...em water inlet temperature and low external air temperature Manage Free cooling ON OFF valve and Free cooling ON OFF fan Mange modulating output free cooling mixer valve and hot water three way valve Controlled loads maintenance signal function Compressors Evaporator pumps Condenser pump Circuit auxiliary relay function Four completely configurable relay outputs also released from normal working o...

Страница 11: ...le signal PWM 0 10 Volt 4 20 mA Complete alarms management With internal data logger alarms up to 100 events Work as motor condensing unit Response to cooling heating request from digital input Capacity controlled by digital input No temperature regulation Expansion module up to 4 IPROEX60D for each expansion module including 3 DI 7 AI 3 AO and 6 DO Electronic thermostatic valve driver up to 4 XEV...

Страница 12: ... complete control and supervision from local and remote By means of network output with ModBus TCP IP protocol INTERNET INTRANET Directly by telephone line MODEL WITH INTERNAL MODEM Indirectly by means of GSM modem or XWEB serial modem MODEL WITH RS232 OUTPUT PREPARATION Via RS485 slave output with ModBus protocol to Dixell XWEB300D XWEB500D supervision systems ...

Страница 13: ...erence is VISOGRAPH 2 0 can manage also two LEDs on the front panel in addition Green LED Always ON after power on Red LED ON when have alarm active or resettable Main screen Display Unit status Time and date Probes value Equipments status Display Probes value of all configured circuits Display Set point Display Current alarms Display Equipments status in all circuits Compressor Water pump Fan Par...

Страница 14: ...the case of AIR AIR or AIR WATER unit configuration If the alarms occur or particular working modes sub enter the following icons will be shown on the main screens flashing to indicate that an alarm is active to indicate that the UNLOADING mode is in progress on to indicate that the defrost cycle is in progress flashing during the count down to indicate that the anti freeze support heaters are act...

Страница 15: ...mestic hot water production icon On unit power on the main screen will be the following Displyed probes are selectable When the keyboard shows Remote OFF OFF through clock or Stand by they all mean the unit is OFF now but with different causes When the keyboard shows Unit ON Cool Mode or Unit ON Heat Mode they all mean the unit is ON now but in different working mode Below find a typical screen du...

Страница 16: ...ING HEATING MODE FROM THE KEYBOARD The configuration should be CF04 0 not Motor condensing unit CF02 3 chiller with heat pump SP09 0 from the keyboard In the beginning the device is in stand by mode and the keys and are all visible One is placed in key 3 another is placed in key 6 depends on Par SP08 The keyboard has eight keys in all They are key 1 key 2 key 3 and key 8 from left to right SP08 0 ...

Страница 17: ... the keyboard In the keyboard key 3 is always visible and key 6 is hidden Key 3 will be shown as when SP08 0 and shown as when SP08 1 Press key 3 can switch the device status between cooling mode and stand by SWITCH THE UNIT ON OFF IN HEATING MODE FROM THE KEYBOARD The configuration should be CF04 0 not Motor condensing unit CF02 2 heat pump only SP09 0 from the keyboard In the keyboard key 6 is a...

Страница 18: ...tal inputs configured as Remote cooling heating DI type 2 With digital input activated cooling mode is selected with digital input deactivated heating mode is selected The selection is enabled if a digital input is configured as cooling request or as heating request If no digital input has been configured the unit REMAINS in stand by the cooling heating selection from the keyboard is disabled The ...

Страница 19: ...n of the working mode from analogue input is enabled it represents the temperature differential on the basis of which the device imposes the working in cooling mode For temperature of the external air included in the SP11 differential it is allowed to change the working mode from the keyboard NTC external air temperature regulation NTC probe SP10 SP11 the unit is switched on in cooling mode NTC ex...

Страница 20: ...d or configured but not active enables the working via the internal clock The unit is forced to switch off within the time band Set the time band with Par ES01 ES06 and select weekly time band by Par ES18 ES24 If current time is inside the setting band the unit will be shut off automatically and the keyboard shows Unit OFF through clock The RTC time band also can be configured from keyboard Enter ...

Страница 21: ...automatic shutdown time band the unit will work in Ventilation only mode In Ventilation only mode only relay configured as supply fan is enabled After current time goes out of the automatic shutdown time band the unit will back to normal working mode WARNING In ventilation only mode the supply fan will forced to active if unit is on When the unit is placed in remote off or stand by supply fan will...

Страница 22: ...act not active the unit will always OFF 5 3 2 Working With Digital Input Configured As Cooling Request Unit configured as motor condensing CF04 1 CF02 1 or 3 Configure DI as Cooling demand digital input condensing unit DI type 94 With DI contact NOT active unit is OFF With DI contact active unit is ON in chiller mode With DI contact active unit works in chiller mode The capacity steps if available...

Страница 23: ...REEN To set the set point of the cooling and or heating from the main screen press SET In this way enter the set point screen Chiller mode Heat pump mode To modify the values position the cursor on the element Cooling or Heating temperature 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 ag...

Страница 24: ...ctive the real set may different from the Cooling or Heating set Cooling Heating set is always the same as par ST01 ST04 the real set represent the set point value including the energy saving delta or of the dynamic set and it is read only can t be modified If heat recovery is enabled RC01 0 the recovery set point will also shown in this screen Press the ESC key several times to go back to the mai...

Страница 25: ... main screen By pressing the key all of the relevant variables of the circuits can be seen Warning the probes displayed are only those 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 ...

Страница 26: ...g the key pass to the alarms in progress screen Three types of alarms can be present Resettable in this case the alarm is not active and can be reset Position the cursor on the alarm element and press RESET Password in this case the alarm is not active 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 b...

Страница 27: ... 3 GB 18 02 2016 docx iProCHILL 27 205 Via keys and 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 ...

Страница 28: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 28 205 If the password is correct after a few minutes you will go automatically back to the alarms screen ...

Страница 29: ...tus of the compressor number of unloaders active If the compressor has no number on the right it means that it is at full power In the screen below circuit 1 has 2 compressors configured Compressor 1 running at full power compressor 2 running at 1 st power step circuit 2 has 1 compressors configured and it is not working now If unloading should be active the maximum step number for unloading will ...

Страница 30: ... valuer of the parameter SP01 is equal to 0 or 2 the high side is represented with the temperatures Status of the evaporator pump or evaporator pumps if the support is present Status of the supply fan Status of the condenser pump or of the pumps if the WATER WATER support is present ...

Страница 31: ...docx iProCHILL 31 205 Condensation fans proportional or with steps AIR AIR or AIR WATER By pressing the or keys pass from one screen to another Refcomp compressor information If Refcomp compressor is configured press key RefComp to see relevant information ...

Страница 32: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 32 205 In the screen above the modbus address is editable Refcomp compressor valve status Press key VI to see the valve status ...

Страница 33: ...ers Liquid line solenoid valve I O status Inputs and Outputs Thermostatic Valve Heat recovery function Auxiliary outputs Free cooling Screw compressor Discharge compressor temperature Sanitary water Domestic hot water Auxiliary heating Control panel The SERVICE menu is protected by password in 3 levels For 1 st level no password needed Press key ENTER can enter in SERVICE menu directly Press key L...

Страница 34: ...anti freeze heaters parameters dF Display defrost parameters rC Display heat recovery parameters FS Display production of domestic hot water parameters FC Display free cooling function parameters US Display auxiliary output parameters AL Display alarm parameters Et Display parameters for the management of the electronic expansion valve IO Display inputs outputs configuration parameters CA Display ...

Страница 35: ... 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 When cursor position in different parameters the parameter s description will display in the bottom Press the ESC key several times to go back ...

Страница 36: ...e key pass to the screen 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 descr...

Страница 37: ...o time band Band 1 Band 2 Band 1 and 2 Band 3 Band 1 and 3 Band 2 and 3 All bands Warning Automatic switch off has priority with respect to Energy saving Press the ESC key several times to go back to the main screen 5 9 3 Compressors The following information is available for each circuit in this menu Hours worked by each individual compressor Number of start ups for each individual compressor ...

Страница 38: ...ce 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 position the cursor on the element and press the ENB DIS key The cursor will automatically position itself on the next element to modify it repeat ...

Страница 39: ...hen CF01 0 Air air unit instead of pump icon the fan icon will display The following information is available in this menu Hours worked by each individual pump evaporator and condenser For each individual pump it is possible To reset the working hours To disable the pump e g perform maintenance ...

Страница 40: ...pumps follow the procedure described for the compressors 5 9 5 Alarms Display This menu contains the same information as press key ALARM in the main screen 5 9 6 Historical Alarms All alarms occurred are memorised in this screen To reset the alarms log operate as follows Press the RST ALL key holding it down for 3 seconds ...

Страница 41: ...nd 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 ...

Страница 42: ...t Circuit defrost status can be Counting EN In counting down defrost will start soon Cycle EN Defrost in progress Drip time EN In dripping time Waiting No defrost normal working Condition not present No necessary condition for defrost By selecting the circuit affected and pressing ENTER pass to the following screen Press the key for 5 seconds allows forcing start of the defrost cycle ...

Страница 43: ... 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 5 9 9 I O Status This menu allows to display the status of all inputs and outputs that have been defined ...

Страница 44: ... 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 44 205 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 Analog inputs Digital inputs Relay outputs ...

Страница 45: ...v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 45 205 Analog outputs 5 9 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 ...

Страница 46: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 46 205 Press the ESC key to go back to the main screen ...

Страница 47: ...e to verify the recovery working status Press the key for 1 second enables the recovery working The following information may be available in this screen 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 ...

Страница 48: ...ll v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 48 205 5 9 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 ...

Страница 49: ...isplay Press the key for 1 second can enable the free cooling working The following information may be available in this screen 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 only ...

Страница 50: ...25050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 50 205 Press the ESC key to go back to the main screen If FC01 4 the following 3 screens will display Press key and can switch between screens ...

Страница 51: ... from Ext air temp Count down from parameter FC03 Delay from Cond water temp Count down from parameter FC19 Valve switch delay Count down from parameter FC20 FC exit delay Count down from parameter FC23 Antif prevention delay Count down from parameter FC24 Press the ESC key to go back to the main screen ...

Страница 52: ... Screw Compressor If CO09 2 3 screw compressor is used The icon is shown as picture below This menu can be used to monitor the working status of the screw compressor in the various circuits By selecting the desired circuit and pressing ENTER the following information can be displayed ...

Страница 53: ...s picture below In this screen if the probe compressor 1 16 PTC discharge temperature probe AI type 1 to 16 is configured its value will be displayed 5 9 16 Domestic Hot Water Sanitary Water If AH01 0 Auxiliary heating is disabled the icon for domestic hot water is shown as picture below In sanitary water screen relevant probes value and output status will display ...

Страница 54: ... in progress Changing state requested but not start yet in inversion valve changing phase ON activated In Antilegionella cycle screen relevant probes value status and count down time will display The Antilegionella set point and the activate time is editable The antilegionella function status can be DIS disabled by parameter setting Not active deactive Running active In Solar panel screen relevant...

Страница 55: ...G v1 3 GB 18 02 2016 docx iProCHILL 55 205 5 9 17 Auxiliary Heating If AH01 0 Auxiliary heating is enabled the icon for auxiliary heating is shown as picture below In auxiliary heating screen set points and output status are displayed ...

Страница 56: ...ved parameters or load default parameters Contrast backlight Contrast regulation from 0 to 200 Back light time ON regulation from 0 to 200 seconds or always on Log file management Export log files to USB disk Language selection Italian English Italian Update Visograph System Information Release software setting IP address and MODBus node Parameters file management Position the cursor on the elemen...

Страница 57: ...he log file path is USB ROOT ipro IP address of the ipro One example for unit log F ipro 10 161 92 79 log Unit_20130221 txt Unit log file Record every 100 PLC cycles Alarms log file including alarms_a alarms_b alarms_c alarms_a unit alarm alarms_b circuit alarm alarms_c compressor alarm alarms_a log file Xev log file including xev11 xev12 xev21 xev22 Record every 10 seconds if XEV20D is available ...

Страница 58: ... UP and DOWN to select the language If new language is selected the warning will show as below Press key SET to start language update Please don t switch off the ipro during updating Update Visograph Press key ENTER Visograph application will be updated If the unit is ON now the updating is not allowed ...

Страница 59: ...592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 59 205 System information The IP address and ModBUS address are editable but the modification will be actual at next reboot of the ipro ...

Страница 60: ...TERFACE VISOTOUCH Configure parameter DP12 2 from Wizmate can select VISOTOUCH as the user interface VISOTOUCH shows similar screens as VISOGRAPH 1 0 and it manages two LEDs on the front panel in addition Green LED Always ON after power on Red LED ON when have alarm active or resettable ...

Страница 61: ...R unit configuration If the alarms occur or particular working modes sub enter the following icons will be shown on the main screens flashing to indicate that an alarm is active to indicate that the UNLOADING mode is in progress on to indicate that the defrost cycle is in progress flashing during the count down to indicate that the anti freeze support heaters are active automatic switch off and or...

Страница 62: ...Pro power on the main screen will be the following Displyed probes are selectable by DP parameters When the keyboard shows Remote OFF OFF through clock or Stand by they all mean the unit is OFF now but with different causes When the keyboard shows Unit ON Cool Mode or Unit ON Heat Mode they all mean the unit is ON now but in different working mode Below find a typical screen during working in chil...

Страница 63: ...ATING MODE FROM THE VISOTOUCH The configuration should be CF04 0 not Motor condensing unit CF02 3 chiller with heat pump SP09 0 from the keyboard In the beginning the device is in stand by mode and the buttons and are all visible These two buttons position depends on Par SP08 SP08 0 is placed in left is placed in right SP08 1 is placed in left is placed in right No matter how to place the left but...

Страница 64: ...is hidden The left button will be shown as when SP08 0 and shown as when SP08 1 Press this button for 1 second can switch the device status between cooling mode and stand by SWITCH THE UNIT ON OFF IN HEATING MODE FROM THE VISOTOUCH The configuration should be CF04 0 not Motor condensing unit CF02 2 heat pump only SP09 0 from the keyboard In the Visotouch the right button is always visible and the ...

Страница 65: ...I type 2 With digital input activated cooling mode is selected with digital input deactivated heating mode is selected The selection is enabled if a digital input is configured as cooling request or as heating request If no digital input has been configured the unit REMAINS in stand by the cooling heating selection from the keyboard is disabled The unit can only be switched on off in the working s...

Страница 66: ...ers that regulated the change over function SP10 allows setting the change over set point If the selection of the working mode from analogue input is enabled it represents the temperature value detected by the regulation probe below which the device imposes the working in heating mode SP11 allows setting the change over differential If the selection of the working mode from analogue input is enabl...

Страница 67: ...tomatic shutdown time band 0 7 ES23 Saturday automatic shutdown time band 0 7 ES24 Sunday automatic shutdown time band 0 7 If the unit is switch off during switch off time bands the screen will be If a digital input is configured as Digital input working in RTC automatic enabling time band manual keyboard mode DI type 91 and is active the working via the internal clock is disabled Otherwise if thi...

Страница 68: ...0 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 68 205 Enable the Auto Power Off option set Time band N1 N3 in page 2 Select time band from Monday to Sunday in the next pages last column Auto On Off ...

Страница 69: ... on When the unit is placed in remote off or stand by supply fan will switch off after the delay time set in par PA03 6 2 3 Working With Unit In OFF From RTC If ON Is Forced From Visotouch ES25 Unit maximum working time in OFF from RTC if forced in ON from key 0 250 Min 10 Min When the unit is OFF by RTC user can use Visotouch or digital input to force the unit ON However the ON time can t be long...

Страница 70: ...ilable will be called by DI configured as Capacity step x demand digital input x can be 1 to 16 With DI contact active user can switch ON OFF the unit by the keyboard If the unit has been switched off from the Visotouch user can re start it by deactivate and re activate the digital input 6 3 3 Working With Digital Input Configured As Heating Request Unit configured as motor condensing CF04 1 CF02 ...

Страница 71: ...e button can enter in the Informations screen In order to go back to previous screen press the button This screen is protected by password The 2 nd level or 3 rd level password are all available System information The IP address and ModBUS address are editable but the modification will be actual at next reboot of the ipro ...

Страница 72: ... alarms can be present Resettable in this case the alarm is not active and can be reset Position the cursor on the alarm element and press Password in this case the alarm is not active 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 and they will all reset together To reset an alarm that ...

Страница 73: ...5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 73 205 If the password introduced is incorrect the following message will display If the password is correct after a few seconds you will go automatically back to the alarms screen ...

Страница 74: ...o any circuit Setpoint Show the configured setpoint value and the real setpoint value in use considering energy saving and dynamic setpoint Circuits Show the probes value belong to each circuit Icons Show the loads status of all configured circuits including compressors pumps and fans 6 7 1 Probes Submenu Press button in Free screen can enter in the Probes screen By pressing the and buttons all th...

Страница 75: ...int then press the button The element starts to flash Increase or decrease the value using the and buttons Confirm the modification by pressing the button again In this screen it is also possible to verify but not modify whether the energy saving mode and dynamic set are active If they are active the Real set may different from the Cooling or Heating set Cooling Heating set is always the same as p...

Страница 76: ...led RC01 0 the recovery set point will also be shown in this screen Press the button can exit current screen 6 7 3 Circuits Submenu Press the button in the Free screen can show probes value of each circuit If multi circuits are configured press buttons can switch the display between different circuits ...

Страница 77: ...ivation status of the compressor number of unloaders active If the compressor has no number on the right it means that it is at full power In the screen below circuit 1 has 2 compressors configured Compressor 1 running at full power compressor 2 running at 1 st power step circuit 2 has 1 compressors configured and it is not working now If unloading is active the maximum step number for unloading w...

Страница 78: ...resent If the valuer of the parameter SP01 is equal to 0 or 2 the high side is represented with the temperatures Status of the evaporator pump or evaporator pumps if the support is present Status of the supply fan Status of the condenser pump or of the pumps if the WATER WATER support is present ...

Страница 79: ... iProCHILL 79 205 Condensation fans proportional or with steps AIR AIR or AIR WATER By pressing the or buttons can pass from one screen to another Refcomp compressor information If Refcomp compressor is configured press key RefComp to see relevant information ...

Страница 80: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 80 205 In the screen above the modbus address is editable Refcomp compressor valve status ...

Страница 81: ...iods Programming Compressors Water pump Supply fan Alarms display Historical alarms Defrost Heaters Liquid line solenoid valve I O status Inputs and Outputs Thermostatic Valve Heat recovery function Auxiliary outputs Free cooling Screw compressor Discharge compressor temperature Sanitary water Domestic hot water Auxiliary heating Control panel The SERVICE menu is protected by password in 3 levels ...

Страница 82: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 82 205 Press button can switch to higher user level For 2 nd and 3 rd level relevant password is required ...

Страница 83: ...rameters dF Display defrost parameters rC Display heat recovery parameters FS Display production of domestic hot water parameters FC Display free cooling function parameters US Display auxiliary output parameters AL Display alarm parameters Et Display parameters for the management of the electronic expansion valve IO Display inputs outputs configuration parameters CA Display analog input calibrati...

Страница 84: ...ck on the value Press the button Increase or decrease the value using the and buttons Confirm the modification by pressing the button again and buttons also can be used to move the cursor When cursor points to different parameters the parameter s description will display in the bottom Press the button can exit current screen Warning For parameter groups CF IO CA and RA they can be verified and cha...

Страница 85: ...date set It is also possible to enable or disable the Energy Saving and or automatic switch on off the time bands By pressing the button pass to the screen for the configuration of the three time bands To modify the time bands click on the time Press the button Increase or decrease the value using the and buttons Confirm the modification by pressing the button again ...

Страница 86: ...for both functions Energy saving and Auto On Off it is possible to manage No time band Band 1 Band 2 Band 1 and 2 Band 3 Band 1 and 3 Band 2 and 3 All bands Warning Automatic switch off has priority with respect to Energy saving Press the button can exit current screen 6 8 3 Compressors The following information is available for each circuit in this menu Hours worked by each individual compressor ...

Страница 87: ...orking e g inorder to perform maintenance To reset the values click on the compressor name label and press the or button And the password is request for reset operation password is set by Par AL31 To enable or disable a compressor click on the compressor name label and then press the button 6 8 4 Water pump When CF01 0 Air air unit instead of pump icon the fan icon will display in the same positio...

Страница 88: ...ual pump it is possible To reset the working hours To disable the pump e g to perform maintenance To reset working hours or disable enable the pumps follow the procedure described for the compressors Password is request for reset operation password is set by Par AL31 6 8 5 Alarms display This menu contains the same information as press the button in the main screen See previous chapters for your r...

Страница 89: ...LL 89 205 6 8 6 Historical alarms All alarms occurred are memorised in this screen To reset the alarms log operate as follows Press the button for 3 seconds Via buttons and set the password Press to confirm If the password is correct the following message will display ...

Страница 90: ... 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 90 205 If the password introduced is incorrect the following message will display If the password is correct after a few seconds you will go back automatically to the Alarm log screen ...

Страница 91: ... of the defrost cycle for every circuit present Circuit defrost status can be Counting EN In counting down defrost will start soon Cycle EN Defrost in progress Drip time EN In dripping time Waiting No defrost normal working Condition not present No necessary condition for defrost Click on the circuit label can pass to the following screen ...

Страница 92: ... start of the defrost cycle Press the button can exit current screen 6 8 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 Press the button can exit current screen ...

Страница 93: ...allows to display the status of all inputs and outputs that have been defined The I O units have been divided by groups as in the screen below Click on the Analog inputs Digital inputs Analog outputs Relay outputs button it is possible to enter in the corresponding I O screen Analog inputs Digital inputs ...

Страница 94: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 94 205 Relay outputs Analog outputs Press the button can exit current screen ...

Страница 95: ... v1 3 GB 18 02 2016 docx iProCHILL 95 205 6 8 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 button can exit current screen ...

Страница 96: ...ble to verify the recovery working status Press the button for 1 second enables the recovery working The following information can be available in this screen 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 button can exit current screen ...

Страница 97: ...oChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 97 205 6 8 12 Auxiliary outputs Using this menu it is possible to display the status of the auxiliary outputs if present Press the button can exit current screen ...

Страница 98: ...Press the button for 1 second can enable the free cooling working The following information can be available in this screen 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 button can pass to the next screen where the following information is available on...

Страница 99: ...ProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 99 205 Press the button can exit the current screen If FC01 4 the following 3 screens will display Press and buttons can switch between the following screens ...

Страница 100: ...elay from Ext air temp Count down from parameter FC03 Delay from Cond water temp Count down from parameter FC19 Valve switch delay Count down from parameter FC20 FC exit delay Count down from parameter FC23 Antif prevention delay Count down from parameter FC24 Press the button can exit current screen ...

Страница 101: ...If CO09 2 3 screw compressor is used The icon is shown as picture below This menu can be used to monitor the working status of the screw compressor in each circuit By selecting the desired circuit and click on its label the following information can be displayed Press the button can exit current screen ...

Страница 102: ...his screen if the probe compressor 1 16 PTC discharge temperature probe AI type 1 to 16 is configured its value will be displayed Press the button can exit current screen 6 8 16 Domestic hot water Sanitary water If AH01 0 Auxiliary heating is disabled the icon for domestic hot water is shown as picture below In sanitary water screen relevant probes value and output status will display ...

Страница 103: ...st in progress Changing state requested but not start yet in inversion valve changing phase ON activated In Antilegionella cycle screen relevant probes value status and count down time will display The Antilegionella set point and the activate time is editable The antilegionella function status can be DIS disabled by parameter setting Not active deactive Running active In Solar panel screen releva...

Страница 104: ...05 Press the button can exit current screen 6 8 17 Auxiliary heating If AH01 0 Auxiliary heating is enabled the icon for auxiliary heating is shown as picture below In auxiliary heating screen set points and output status are displayed Press the button can exit current screen ...

Страница 105: ...ow On the contrary if user entered into SERVICE menu with 3 rd level no password is needed for control paned menu anymore The possible options in this menu are Parameters file management Load last saved parameters or load default parameters Log file management Export log files to USB disk Language selection Italian English Italian Parameters file management Position the cursor on the element with ...

Страница 106: ...meters to default parameters configuration file Log file management Plug the USB disk in iPro send command from this screen the log file will be export to the USB disk The log file path is USB ROOT ipro IP address of the ipro One example for unit log F ipro 10 161 92 79 log Unit_20130221 txt Unit log file Record every 100 PLC cycles Alarms log file including alarms_a alarms_b alarms_c alarms_a uni...

Страница 107: ...oChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 107 205 Xev log file including xev11 xev12 xev21 xev22 Record every 10 seconds if XEV20D is available Language selection Press the button can exit current screen ...

Страница 108: ...ws the managing of the parameter map of DIXELL controllers 7 1 HOW TO INSTALL WIZMATE Inserter the CD in the CD drive and click the Wizmate exe file to start the guided process press the Next button Accept the Licence Agreement and press the Next button to continue Enter User name and Company name then press the Next button to continue ...

Страница 109: ...050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 109 205 Select the path where you want to install the Wizmate default path is C Programs Dixell Wizmate press the Next button Press the Next button ...

Страница 110: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 110 205 To finish the installation press Next button To exit the installation press Finish button ...

Страница 111: ...of parameters only Pr1 level of visibility he cannot use all functions of the program is not possible to create wizard and to create new users The password is user Administrator can see all the parameters Pr1 Pr2 and Pr3 level of visibility the Administrator can use all the functions of the program The password is admin To access the program as Administrator press the Login button ...

Страница 112: ...or using the configuration menu press the button and select Security menu Enter the user name Administrator and password admin then press Login button How to create a new user Only the Administrator user can create a new user Press button select Security and then User management ...

Страница 113: ... following window A new user can be entered clicking Add user enter the user name enter the password confirm the password enter the security level level 5 user level it is not possible to generate wizard level 100 administrator right it is possible to generate wizard enter the maximum level of visibility of the parameters to confirm click the Ok button ...

Страница 114: ...port COM etc 7 3 2 Language Configuration Press button select Multilanguages menu and choose the language 7 3 3 Import Export Maps And Libraries Export Import libraries and maps allows the user to import the new library or import new maps To import the maps or libraries contained in a WME file select the command Export Import maps and libraries then select Import libraries and maps ...

Страница 115: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 115 205 To export the maps or libraries select the command Export Import maps and libraries ...

Страница 116: ... v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 116 205 Then select Export libraries and maps Search the maps to export select them then press Export button Select the path to save the file and enter the name of the file ...

Страница 117: ... 4 1 Scan For Device Enter in Network menu set Start IP and Stop IP according to your Ipro IP address Press button if the device is connected it will display in the list 7 4 2 Read Parameters Value Enter in menu Map press button the parameters value will be read out from the ipro controller and display ...

Страница 118: ...name description value visibility changeability level minimum maximum limitation and measurement unit To facilitate using it allows to select and display one single parameter group Right click on the table in the pop out menu chose Group and then select the interested group This function can also be done by click button ...

Страница 119: ...input the new values in Value cell Then press button to download new parameters value into the controller Or user can right click on the table in the pop out menu click on Send Changed parameters 7 4 4 Save Open Map Press button to save the map All of the currently parameters value will be wrote into a bin file which can be open and used in the future ...

Страница 120: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 120 205 To open the map file press button then select the bin file ...

Страница 121: ...agement of the electronic expansion valve IO Display inputs outputs configuration parameters CA Display analog input calibration parameters RA Display analog input range parameters Temperature control Parameter Description min max um Resolution ST 1 Chiller set point This allows you to set the working set point in chiller mode ST02 ST03 C F Dec int ST 2 Minimum chiller set This defines the minimum...

Страница 122: ...cuits 0 1 Circuit 2 regulation if temperature control is enabled on two separate circuits ST 13 Circuit 2 chiller set point This allows you to set the working set point in chiller mode ST14 ST15 C F dec int ST 14 Circuit 2 chiller minimum set point This defines the minimum limit that can be used to set the working set point in chiller mode 50 0 58 ST15 C F Dec int ST 15 Circuit 2 chiller maximum s...

Страница 123: ...e The controlled variable must be over in cooling or under in heating the above mentioned activation level for at least the ST30 time before the compressor capacity step is switched ON 0 250 Sec ST 31 Deactivation offset with regulation of the neutral zone When the controlled temperature coming from neutral zone enters the compressors disabling zone the compressors capacity steps are disabled only...

Страница 124: ...3 steps per compressor 3 4 steps per compressor 0 3 CF 12 Circuit 4 compressor unloaders 0 1 step per compressor 1 2 steps per compressor 2 3 steps per compressor 3 4 steps per compressor 0 3 Machine Set Up Parameter Description min max udm Resolution Analogue Inputs SP 1 Working in temperature or pressure from an analog input 0 NTC cond temperature evap pressure 4 0 20mA The condensation temperat...

Страница 125: ...P13 is different from current network frequency alarm AFr Power supply freq alarm will occur 0 2 Serial address SP 14 Serial address 1 247 SP 15 Firmware release SP 16 Eeprom map of parameters Password SP 17 Level 2 password 0 9999 SP 18 Level 3 password 0 9999 Dynamic set point Parameter Description min max um Resolution Sd 1 Maximum increase in chiller mode dynamic set point This determines the ...

Страница 126: ...max um Resolution AH 1 Auxiliary heating function 0 Disabled 1 enabled with control in integration mode 2 enabled with control in heating mode 0 2 AH 2 External air set point auxiliary heating activation 50 0 58 110 230 C F Dec int AH 3 External air differential auxiliary heating deactivation 0 1 1 25 0 45 C F Dec int AH 4 Auxiliary heating activation delay time 0 250 AH 5 External air set point t...

Страница 127: ... up management 0 Enables minimum power only upon compressor start up start up upon minimum capacity idle valve start up in OFF with compressor off 1 Screw valves enable the minimum power at compressor start up and in temperature control start up with minimum capacity idle start up valve in OFF with compressor off 2 Screw valves enable the minimum power at compressor start up start up with minimum ...

Страница 128: ... 48 Minimum value for circuit 2 inverter 0 10V analogue output 0 CO49 CO 49 Maximum value for circuit 2 inverter 0 10V analogue output CO48 100 CO 50 Normal power implementation interval 1 250 Sec Compressors liquid injection function CO 51 Activation set point of the liquid injection solenoid valve 50 0 58 150 0 302 C F Dec int CO 52 Differential deactivation of the liquid injection solenoid valv...

Страница 129: ...n the compressors are shut off 0 250 Sec 10 Sec PA 4 Deactivation Pump Delay from when the unit is Switched Off 0 250 Sec 10 Sec PA 5 Pump Activation and Rotation 0 No Rotation 1 Manual Rotation 2 Start Rotation 3 Rotation at Hours 4 Rotation at Start and Hours 0 4 PA 6 Manual Pump Inversion 0 Pump 1 On 1 Pump 2 On 0 1 PA 7 No of hours for forced evaporator pump rotation 0 999 Hr 10Hr PA 8 Simulta...

Страница 130: ...ater input probe and condenser input 3 4 4 condenser water output probe 1 2 5 condenser water output probe 3 4 6 condenser output 1 2 3 4 7 condenser output 1 2 3 4 and common output 8 external air temperature 0 8 PA 27 Condenser water pump activation set point in anti freeze mode on the temperature control probe 50 0 58 110 230 C F Dec int PA 28 Condenser water pump differential deactivation in a...

Страница 131: ...ater temperature 0 1 0 25 0 45 C F Dec int Un 8 Delay for the compressor unloading function to be inserted by an evaporator input low water temperature 0 250 Sec 10 sec Un 9 MAX time in compressor unloading status due to the evaporator low water temperature 0 250 Min Un 10 Analogue input configuration for control of the unloading function of the evaporator low water temperature 1 51 Chiller conden...

Страница 132: ... relay output configured as the 2nd condensation fan speed step 50 0 58 0 0 0 110 230 50 0 725 C F Bar Psi Dec int Dec int FA12 Proportional regulation Proportional band regulation of fans in chiller mode This allows you to set a temperature pressure differential that corresponds to a variation from minimum to maximum fan speed Step regulation With Par FA01 2 3 becomes the differential on the step...

Страница 133: ...alue for the proportional regulation of the fans in h p It is expressed as a percentage of the maximum voltage allowed FA17 FA18 Condensation fan step 3 4 in chiller mode FA25 Third step setting in chiller mode SET 3rd STEP This allows you to set the condensation temperature pressure value in chiller mode that corresponds to the operation in ON of the relay output configured as the 3rd condensatio...

Страница 134: ...rost mode to shut off the fan Step regulation With Par FA01 2 3 becomes the differential on the step itself of circuit 2 in defrost mode see fans regulation graph 0 1 0 0 1 1 25 0 45 14 0 203 C F Bar Psi Dec int Dec int FA39 Over ride CUT OFF in defrost This allows you to set a temperature pressure differential in defrost where the fan maintains minimum speed 0 1 0 0 1 1 25 0 45 14 0 203 C F Bar P...

Страница 135: ...h p 1 ON only in chiller mode depending on the temperature control request 2 ON only in h p mode depending on the temperature control request 3 ON in chiller and h p mode depending on the temperature control request 0 3 Ar 11 Determines the evaporator condenser anti freeze heaters operation depending on the remote Off Stand by mode 0 Always OFF 1 ON via temperature control 0 1 Defrost Parameter De...

Страница 136: ...defrost with outdoor fans is enabled if the external temperature is above the dF25 level 50 0 58 110 230 C F Dec int Defrost Start Stop dF 26 Defrosting cycle start in unit 0 independent 1 if both have reached the request for defrosting to start 2 if at least one has reached the request for defrosting to start 0 2 dF 27 Defrosting cycle end in unit 0 independent 1 if both have reached the defrost ...

Страница 137: ...orking set point in heat recovery mode rC11 110 230 C F Dec Int rC 13 Recovery set point Defines the working set point for heat recovery function active only in cooling mode rC11 rC12 C F Dec int rC 14 Recovery differential Defines the working set point for heat recovery function 0 1 0 25 0 45 C F Dec Int rC 15 Defines the temperature control probe of the machine in recovery mode 0 condenser water...

Страница 138: ...n FS24 FS25 C F dec int FS 23 Intervention band for solar panel integration 0 1 1 25 0 45 C F Dec int FS 24 Solar panel water minimum setting 50 0 58 FS25 C F Dec int FS 25 Solar panel water maximum setting FS24 110 230 C F Dec int FS 26 Domestic water output inversion delay from when the domestic water pump is activated 0 250 sec FS 27 Domestic water pump deactivation delay from when the domestic...

Страница 139: ...ly no cooling or heating demand the solenoid valves remain in their standard position and only the domestic hot water pump is activated 0 1 FS 49 Switch off evaporator water pump in production of domestic water only with dedicated return 0 function is disabled 1 function is enabled If the function is active during production of domestic hot water only no cooling or heating demand the evaporator pu...

Страница 140: ...Bar Psi Dec int Dec int FC 14 Circuit 1 2 3 4 2nd step split coil setting 50 0 58 0 0 0 110 230 50 0 725 C F Bar Psi Dec int Dec int FC 15 Circuit 1 2 3 4 2nd step split coil differential 0 1 1 0 1 1 25 0 45 14 0 203 C F Bar Psi Dec int Dec int FC 16 Delay for valve exchange of the split coils 0 250 sec FC 17 Outside Set point temperature air for free cooling enable 50 0 58 110 230 C F Dec int FC ...

Страница 141: ... auxiliary relay 3 50 0 58 0 0 0 110 230 50 0 725 C F Bar Psi Dec int Dec Int US 12 Auxiliary relay 3 differential 0 1 1 0 1 1 25 0 45 14 0 203 C F Bar Psi Dec int Dec Int Auxiliary relay n 4 US 13 Auxiliary relay 4 operation 0 not enabled 1 always enabled with direct action 2 enabled with direct action only with the unit ON 3 always enabled with inverse action 4 enabled with inverse action only w...

Страница 142: ...nt of proportional auxiliary output 3 50 0 58 0 0 0 110 230 50 0 725 C F Bar Psi Dec int Dec int US 34 Differential of proportional auxiliary output 3 0 1 1 0 1 1 25 0 45 14 0 203 C F Bar Psi Dec int Dec int US 35 Minimum value for 0 10V analogue 3 output 0 US36 US 36 Maximum value for 0 10V 1 analogue 3 output US35 100 US 37 Analog output 3 maintaining minimum value 0 no 1 yes 0 1 Auxiliary propo...

Страница 143: ...w pressure oil level alarm delay from a digital input 0 250 Sec AL 13 Low pressure oil level alarm input duration from digital input in normal working conditions After expiration of AL12 the unit waits further AL13 delay before detecting the alarm 0 250 Sec AL 14 Low pressure oil level maximum number of interventions per hour Reset is always manual if AL14 0 Reset is always automatic if AL14 60 Re...

Страница 144: ...elow alarm set point 0 250 Sec AL 37 Maximum number of interventions per hour of the anti freeze low environmental air temperature in chiller mode alarm Defines the maximum number of antifreeze low room air temperature low outlet air temperature alarms per hour When this number is exceeded the alarm moves from automatic to manual reset Reset is always manual if AL37 0 Reset is always automatic if ...

Страница 145: ...eset if AL52 moves from 1 to 59 0 60 Unit general block alarm n 1 AL 53 Maximum number of unit general block alarm interventions per hour Reset is always manual if AL53 0 Reset is always automatic if AL53 60 Reset moves from automatic to manual reset if AL53 moves from 1 to 59 0 60 AL 54 Unit general block alarm delay with digital input activated 0 250 Sec AL 55 Unit general block alarm delay with...

Страница 146: ...re 1 PTC temperature 2 PT1000 temperature 3 pressure 4 20mA 4 pressure 0 5V 5 not present low pressure defined transducers are used 0 5 Et 3 Type of valve 1 Unipolar 2 Bipolar 1 2 Et 4 Selection of the bipolar valve body connected to the driver WARNING the unique and valid reference has to be considered the datasheet made by valve manufacturer please compare the valve data in this user manual with...

Страница 147: ...osed completely These decompress any closing spring inside the valve or to prevent sealing the circuit 0 250 Et 19 Maximum number of adjusting steps of the valve Et20 8000 Et 20 Minimum number of adjusting steps of the valve 0 Et19 Et 21 Maximum current value per phase of the stepper motor 0 100 mA x10 mA Et 22 Current stand by value 0 100 mA x10 mA Et 23 Maximum number of steps per second of the ...

Страница 148: ...gh overheating threshold The alarm status is signaled after the high overheating alarm activation delay Et54 80 0 C Dec Et 54 Low overheating threshold The alarm status is signaled after the low overheating alarm activation delay 0 0 Et53 C Dec Et 55 PID proportional constant in defrost if ET7 8 4 0 0 50 0 C Dec Et 56 MOP Protection activation threshold High evaporating temperature threshold The a...

Страница 149: ...guration 0 c195 IO 43 RL13 configuration 0 c195 IO 44 RL14 configuration 0 c195 IO 45 RL15 configuration 0 c195 IO 46 AO1 configuration 0 o1 15 c195 IO 47 AO2 configuration 0 o1 15 c195 IO 48 AO3 configuration 0 o1 15 c195 IO 49 AO4 configuration 0 o1 15 c195 IO 50 AO5 configuration 0 o1 32 c195 IO 51 AO6 configuration 0 o1 32 c195 XEV I O IO 52 1st XEV Pb1 configuration 0 66 IO 53 1st XEV Pb2 con...

Страница 150: ... configuration 0 c115 IO 95 2nd Expansion DI2 configuration 0 c115 IO 96 2nd Expansion DI3 configuration 0 c115 IO 97 2nd Expansion RL1 configuration 0 c195 IO 98 2nd Expansion RL2 configuration 0 c195 IO 99 2nd Expansion RL3 configuration 0 c195 IO 100 2nd Expansion RL4 configuration 0 c195 IO 101 2nd Expansion RL5 configuration 0 c195 IO 102 2nd Expansion RL6 configuration 0 c195 IO 103 2nd Expa...

Страница 151: ...38 4th Expansion RL4 configuration 0 c195 IO 139 4th Expansion RL5 configuration 0 c195 IO 140 4th Expansion RL6 configuration 0 c195 IO 141 4th Expansion AO1 configuration 0 o1 15 c195 IO 142 4th Expansion AO2 configuration 0 o1 15 c195 IO 143 4th Expansion AO3 configuration 0 o1 15 c195 Analog Input Calibration Parameter Description min max mu Resolution Local I O CA 1 Pb1 calibration 12 0 21 5 ...

Страница 152: ... decimal whole CA 19 3rd XEV Pb1 calibration 12 0 21 12 0 21 C F decimal whole CA 20 3rd XEV Pb2 calibration 12 0 21 12 0 21 C F decimal whole CA 21 3rd XEV Pb3 calibration 12 0 21 5 0 72 12 0 21 5 0 72 C F bar PSI decimal whole decimal whole CA 22 3rd XEV Pb4 calibration 12 0 21 5 0 72 12 0 21 5 0 72 C F bar PSI decimal whole decimal whole CA 23 4th XEV Pb1 calibration 12 0 21 12 0 21 C F decimal...

Страница 153: ...imal whole decimal whole CA 39 2nd Expansion Pb6 calibration 12 0 21 5 0 72 12 0 21 5 0 72 C F bar PSI decimal whole decimal whole CA 40 2nd Expansion Pb7 calibration 12 0 21 5 0 72 12 0 21 5 0 72 C F bar PSI decimal whole decimal whole 3rd Expansion I O CA 41 3rd Expansion Pb1 calibration 12 0 21 5 0 72 12 0 21 5 0 72 C F bar PSI decimal whole decimal whole CA 42 3rd Expansion Pb2 calibration 12 ...

Страница 154: ...ure value at 4 5V 20mA 1 0 14 50 0 725 bar PSI decimal whole RA 7 Pb4 Pressure value at 0 5V 4mA 1 0 14 50 0 725 bar PSI decimal whole RA 8 Pb4 Pressure value at 4 5V 20mA 1 0 14 50 0 725 bar PSI decimal whole RA 9 Pb5 Pressure value at 0 5V 4mA 1 0 14 50 0 725 bar PSI decimal whole RA 10 Pb5 Pressure value at 4 5V 20mA 1 0 14 50 0 725 bar PSI decimal whole RA 11 Pb6 Pressure value at 0 5V 4mA 1 0...

Страница 155: ...cimal whole RA 41 1st Expansion Pb3 Pressure value at 0 5V 4mA 1 0 14 50 0 725 bar PSI decimal whole RA 42 1st Expansion Pb3 Pressure value at 4 5V 20mA 1 0 14 50 0 725 bar PSI decimal whole RA 43 1st Expansion Pb4 Pressure value at 0 5V 4mA 1 0 14 50 0 725 bar PSI decimal whole RA 44 1st Expansion Pb4 Pressure value at 4 5V 20mA 1 0 14 50 0 725 bar PSI decimal whole RA 45 1st Expansion Pb5 Pressu...

Страница 156: ...whole RA 75 3rd Expansion Pb6 Pressure value at 0 5V 4mA 1 0 14 50 0 725 bar PSI decimal whole RA 76 3rd Expansion Pb6 Pressure value at 4 5V 20mA 1 0 14 50 0 725 bar PSI decimal whole RA 77 3rd Expansion Pb7 Pressure value at 0 5V 4mA 1 0 14 50 0 725 bar PSI decimal whole RA 78 3rd Expansion Pb7 Pressure value at 4 5V 20mA 1 0 14 50 0 725 bar PSI decimal whole 4th Expansion I O RA 79 4th Expansio...

Страница 157: ...bes 1 4 IO68 IO74 1 st expansion probes 1 7 IO87 IO93 2 nd expansion probes 1 7 IO106 IO112 3 rd expansion probes 1 7 IO125 IO131 4 th expansion probes 1 7 ANALOGUE OUTPUTS CONFIGURATION IO46 IO51 On board AO 1 6 IO84 IO86 1 st expansion AO 1 3 IO103 IO105 2 nd expansion AO 1 3 IO122 IO124 3 rd expansion AO 1 3 IO141 IO143 4 th expansion AO 1 3 Note For digital inputs outputs it is possible to sel...

Страница 158: ...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 overload 35 Compressor 2 thermal overload 36 Compressor 3 thermal overload 3...

Страница 159: ...ressure 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 digital input condensing unit 96 Capacity step 1 demand digital input...

Страница 160: ...t 3 ON 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 rec...

Страница 161: ...4 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 ...

Страница 162: ...ressor 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 Wi...

Страница 163: ... Anti freeze Circuit 3 187 B4A Alarm Anti freeze Circuit 4 188 Auxiliary heating 1st step 189 Auxiliary heating 2nd step 190 Auxiliary heating 3rd step 191 Auxiliary heating 4th step 192 Refcomp Inverter Power 193 IV management valve 14 194 IV management valve 15 195 IV management valve 16 9 3 ANALOGUE INPUTS PB1 PB10 CONFIGURATION AI TYPE 0 Disabled 1 Compressor 1 PTC discharge temperature probe ...

Страница 164: ...C temperature probe 40 Circuit n 1 auxiliary outlet NTC temperature probe 41 Circuit n 2 auxiliary outlet NTC temperature probe 42 Circuit n 3 auxiliary outlet NTC temperature probe 43 Circuit n 4 auxiliary outlet NTC temperature probe 44 Domestic hot water temperature control NTC temperature probe 45 Domestic hot water temperature safety NTC temperature probe 46 Discharge NTC temperature probe 47...

Страница 165: ...for circuit n 1 fan speed control 19 4 20mA proportional output for circuit n 2 fan speed control 20 4 20mA proportional output for circuit n 3 fan speed control 21 4 20mA proportional output for circuit n 4 fan speed control 22 4 20mA dampers control proportional output free cooling mixer valve 23 4 20mA hot water three way valve control proportional output 24 4 20mA auxiliary output n 1 25 4 20m...

Страница 166: ... 3 rd expansion probes range 1 7 RA79 RA92 4 th expansion probes range 1 7 The probe type is determined by parameter SP01 If SP01 0 1 the probe is current type 4 20 mA If SP01 2 3 the probe is voltage type 0 5 Volt For example suppose IO01 52 Circuit n 1 condensing pressure probe 4 20 mA 0 5 Volt RA01 1 0 Bar RA02 10 0 Bar SP01 2 So probe 1 measured pressure will be If AI01 0V probe 1 pressure 1 0...

Страница 167: ... Cause of activation Probe is configured and converted value out of range Reset Probe is not configured or converted value within range Reset Automatic 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 follow...

Страница 168: ... 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 they follow its their regulation 0 10V proportional output It follows they follow its their regulation Idle running valve It follows its regulation Supply ventilation It follows its regulation Condensation ventilatio...

Страница 169: ...on 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 10 4 LOW PRESSURE PRESSURE SWITCH ALARM AL 1 Low pressure alarm delay from a digital analogue input 0 250 Sec AL 2 Defines low pressure al...

Страница 170: ...gulation Recovery valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay It follows they follow its their regulation 0 10V proportional output It follows they follow its their regulation Idle running valve It follows its regulation Supply ventilation It follows its regulation Condensation ventilation Off Support boiler anti freeze It follows its regulat...

Страница 171: ...uring which the oil alarm must remain active in normal working conditions The alarm is signalled after this time The count starts after the AL13 time It allows to filter any pressure or oil level drops that may occur for brief moments e g with the activation of a compressor unloader step Par AL14 Maximum number of oil alarm interventions per hour It determines a maximum number of oil alarm interve...

Страница 172: ... active the fans are forced to maximum speed for 60 seconds before switching off If the Par FA02 1 fan working mode independent from the compressor With alarm active the fans are forced to maximum speed for 60 seconds and then follow their regulation Support boiler anti freeze It follows its regulation Pump and water evaporator and condenser It follows its regulation Affected circuits compressors ...

Страница 173: ... defrost for time AL07 in correspondence with valve inversion on compressor switch on for the time AL01 Reset If the condensation control probe s temperature pressure 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 follo...

Страница 174: ...ontrol 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 valve it follows its regulation Free cooling on off valve it follows its regulation Auxiliary relay...

Страница 175: ... anti freeze temperature AL34 set AL35 differential Unit OFF Regulation probe for Pbr anti freeze temperature AL34 AL41 set AL35 AL42 differential Reset Automatic becomes manual after certain number of interventions hour reset procedure in functions menu This number can be Chiller AL37 Unit OFF the minimum between AL37 and AL45 Icon flashing Action If AL38 0 only the compressors are switched off T...

Страница 176: ...I deactivate From AI Unit ON Regulation probe for anti freeze temperature A41 set AL42 differential Unit OFF Regulation probe for anti freeze temperature AL34 AL41 set AL35 AL42 differential Reset Automatic becomes manual after certain number of interventions hour reset procedure in functions menu This number can be Heat pump AL45 Unit OFF the minimum between AL37 and AL45 Icon flashing Action If ...

Страница 177: ...when the selected probes value AL34 set for AL36 time alarm occur If the unit is working in heat pump mode when the selected probes value AL41 set for AL44 time alarm occur If the unit is in stand by OFF remote mode chose the highest value between AL34 and AL41 as SET when the selected probes value SET set for AL36 AL44 time alarm occur Reset Unit ON in chiller mode Regulation probe for Pbr anti f...

Страница 178: ...if DI still keeps the same status as that when pump not working for AL18 alarm occur Reset DI not active If pumps are managed wait for time AL19 after DI deactivate Reset Automatic it becomes manual if this alarm active for time AL17 reset procedure in functions menu Icon flashing Action Alarm DO type 162 buzzer relays only activated if the flow switch alarm is activated in normal working phase Re...

Страница 179: ...1592025050 iProChill v2 5 10D00 AG v1 3 GB 18 02 2016 docx iProCHILL 179 205 ...

Страница 180: ...2 Alarm enabled in chiller and heat pump mode if AL21 3 Reset DI not active If pumps are managed wait for time AL25 after DI deactivate Reset Automatic it becomes manual if this alarm active for time AL23 reset procedure in functions menu Icon flashing Action Relay DO type 163 buzzer only activated if the flow switch alarm is activated in normal working phase Regulators Alarm Relay buzzer only act...

Страница 181: ... SWITCH ALARM Alarm code AHFL domestic hot water pump flow switch alarm Display in keyboard Sanitary water flow AL Cause of activation the flow switch alarm is only active with FS01 0 Check DI configured as Sanitary water flow switch DI type 5 If polarity check not required AL20 1 after domestic hot water pump active for AL16 time if DI active for AL18 time alarm occur If polarity check required A...

Страница 182: ...when the alarm becomes with manual reset Solar coil on off valve Active Other loads They follow their regulation 10 17 COMPRESSOR OVERLOAD ALARM Alarm code C1tr compressor n 1 overload alarm C16tr compressor n 16 overload alarm Display in keyboard C1 overl C16 overl Cause of activation The alarm is detected after AL27 delay from compressor switch on If AL30 1 the detection also enabled when compre...

Страница 183: ...50 set AL51 differential Reset Automatic Manual If more than AL52 interventions per hour occur Enter the functions menu to reset the alarm Icon flashing Action Alarm relay DO type 1 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 i...

Страница 184: ...this probe AL62 set alarm occur Reset The temperature measured by the probe configured in AL64 AL62 set AL63 differential Reset Automatic Manual Reset is always manual if AL60 0 Reset is always automatic if AL60 60 Reset passes from automatic to manual if AL60 goes from 1 to 59 Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay buzzer activated Compressors Off Other loads It ...

Страница 185: ...ly ventilation Off Condensation ventilation Off Support boiler anti freeze It follows its regulation Pump and water evaporator and condenser It follows its regulation Compressors Off Pump down solenoid valve Off 10 21 DEFROST ALARM Alarm code b1dF b4dF circuit n 1 4 defrost alarm Display in keyboard dF AL circ1 dF AL circ4 Cause of activation In defrost only if dF01 1 3 defrost should end for temp...

Страница 186: ... probe configured as condensation temperature or pressure control measures a value Un11 set Reset of the condensation 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 Recov...

Страница 187: ...iler 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 10 24 UNLOADING SIGNAL DUE TO LOW EVAPORATION PRESSURE IN HEATING WORKING MODE Not available Display label meaning b1Eu circuit n 1 unloading from condenser coil signal b2Eu circuit n 2 unloading from c...

Страница 188: ...temperature measured Un1 set for the time set in the Par Un3 Reset if the water temperature measured Un1 set Un2 differential By unloading function inserted after the time set 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 v...

Страница 189: ...ning 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 Off with manual reset alarm Pump down solenoid valve It follows its regulation 10 27 PUMP DOWN ALARM WITH LOW PRESSURE TRANSDUCER IN STA...

Страница 190: ...isplay in keyboard Evap pump 1 overl Evap pump 2 overl Cause of activation DI configured as Evaporator main pump Supply fan Overload DI type 56 active and par CF01 0 DI configured as Evaporator support pump Overload DI type 57 active Reset With DI not active Reset Manual reset procedure in functions menu Icon flashing Action Alarm relay DO type 1 buzzer activated Regulators Alarm Relay buzzer acti...

Страница 191: ...ation 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 available 10 30 ...

Страница 192: ...uest Display in keyboard C1 maint req C16 maint req Cause of activation Compressor is configured and its working hours timer set by CO53 Reset Reset working hours from keyboard Reset Automatic after the hours reset Icon flashing Action Alarm relay buzzer activated Regulators Alarm Relay DO type 1 buzzer activated Other loads They follow their regulation 10 33 EVAPORATOR FAN PUMPS MAINTENANCE ALARM...

Страница 193: ... type 15 and Circuit 1 ON OFF Fan 3rdstep DO type 16 all not configured this alarm will never occur Otherwise if SP13 2 and power supply frequency is different from that configured in the Par SP13 alarm occurs Reset SP13 2 frequency control disabled Or power supply frequency is the same as that configured in the Par SP13 Reset Automatic Icon flashing Action Alarm relay DO type 1 buzzer activated R...

Страница 194: ...ivation Digital input Phase sequence relay DI type 113 active Reset Digital input Phase sequence relay deactivate Reset Manual Icon flashing Action Alarm relay DO type 153 buzzer activated Regulators Alarm Relay buzzer activated Other loads Off 10 39 ANTI FREEZE ALARM IN FREE COOLING Alarm code AFFC Anti freeze alarm in free cooling Display in keyboard Antif AL FC Cause of activation FC01 4 During...

Страница 195: ...fected by auxiliary heating request But when this Atrb alarm occur and AL69 1 compressor will not be affected Other loads Follow their regulation 10 41 BOILER LOCK ALARM Alarm code ALcb Boiler lock alarm Display in keyboard Boiler lock AL Cause of activation Digital input Block heaters DI type 115 active Reset Digital input Block heaters deactivate Reset Automatic becomes manual after AL71 interve...

Страница 196: ...t respected FA10 FA12 FA13 FA11 FA13 FA14 In the case of proportional regulation FA01 4 with heating enabled CF02 2 3 at least one of the following rules is not respected FA19 FA22 FA21 FA20 FA22 FA23 In the case of proportional regulation FA01 4 with heating enabled CF02 2 3 and dF33 2 at least one of the following rules is not respected FA35 FA38 FA37 FA36 FA38 FA39 If heat pump is enabled CF02 ...

Страница 197: ...enabled and relays are configured as Antifreeze heaters support boiler 1 4 step DO type 4 7 FA01 4 FA06 1 and AO is configured as 0 10V 4 20mA proportional output for circuit n 1 fan speed control AO type 1 4 or 18 21 FA01 0 FA06 1 and relays are configured as fan steps DO type 14 29 ACF6 If SL01 0 and the total number of compressor power steps in the 4 circuits set by CF05 CF12 is 40 Compressor 9...

Страница 198: ...s defined on parameters CF09 CF12 For compressor 9 to 16 No direct start up relays configured e g for comp 9 DO type 140 For auxiliary heating if it is disabled AH01 0 but relevant resource are configured or vice versa resource not configured but function is enabled Such as DI for heater DI type 114 115 relay Auxiliary heating 1 4 step DO type 188 191 AO modulating auxiliary heating AO type 15 32 ...

Страница 199: ... all set to 0 ACF14 The temperature control has been configured on two circuits ST12 1 but the second circuit is not configured or circuits 3 or 4 are configured free cooling or recovery or domestic hot water are enabled FC01 0 or rC01 0 or FS01 0 ACF15 Free cooling enabled but If FC01 1 2 3 the on off valve DO type 38 and the damper proportional output AO type 5 and 22 are not defined the evapora...

Страница 200: ...flashing Action Alarm relay DO type 1 buzzer activated Regulators Alarm Relay buzzer activated Other loads Off 10 43 FUNCTION NOT AVAILABLE ALARM Alarm code AfnA Function not available alarm Display in keyboard Func not available Cause of activation Incorrect parameter configuration enabled some function that not available yet Set ST11 2 Set DP05 DP08 value 0 Set SP02 6 Set SP12 1 Set CO19 CO34 va...

Страница 201: ... See graph below 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 During one interval 1 minute if the alarm is active this interval will be marked as active Then count all active intervals number of the latest hour If the total number does not exceeds the threshold set it means this alarm is not frequently occur Once it became not active it will disap...

Страница 202: ...Yes Yes 1 Yes Yes Yes 2 AP20 Expansion2 probe3 Yes Yes 1 Yes Yes Yes 2 AP21 Expansion2 probe4 Yes Yes 1 Yes Yes Yes 2 AP22 Expansion2 probe5 Yes Yes 1 Yes Yes Yes 2 AP23 Expansion2 probe6 Yes Yes 1 Yes Yes Yes 2 AP24 Expansion2 probe7 Yes Yes 1 Yes Yes Yes 2 AP25 Expansion3 probe1 Yes Yes 1 Yes Yes Yes 2 AP26 Expansion3 probe2 Yes Yes 1 Yes Yes Yes 2 AP27 Expansion3 probe3 Yes Yes 1 Yes Yes Yes 2 ...

Страница 203: ...ndenser n 1 water pump circuit breaker Yes 4 Yes Yes AtC2 Support condenser n 2 water pump circuit breaker Yes 4 Yes Yes AEP1 Evaporator n 1 water pump maintenance AEP2 Support evaporator n 2 water pump maintenance ACP1 Condenser n 1 water pump maintenance ACP2 Support condenser n 2 water pump maintenance AHFL Domestic hot water pump flow switch alarm APFL Solar panels pump flow switch alarm AEht ...

Страница 204: ... Yes Yes Yes ACF12 Configuration alarm Yes Yes Yes Yes Yes ACF13 Configuration alarm Yes Yes Yes Yes Yes ACF14 Configuration alarm Yes Yes Yes Yes Yes ACF15 Configuration alarm Yes Yes Yes Yes Yes ACF16 Configuration alarm Yes Yes Yes Yes Yes ACF17 Configuration alarm Yes Yes Yes Yes Yes ACF18 Configuration alarm Yes Yes Yes Yes Yes ACF19 Configuration alarm Yes Yes Yes Yes Yes 0 if configured as ...

Страница 205: ...es b n dF Circuit defrost alarm signal n b n Cu Unloading signal due to circuit n condensation temp press b n Eu Unloading signal due to circuit n evaporator low temp b n rC Circuit n heat recovery disabling signal b n PH Circuit pump down stopping alarm n Yes Yes b n PL Circuit pump down start up alarm n Yes Yes Where the letter n identifies the circuit n 1 or circuit n 2 13 3 COMPRESSOR C ALARMS...

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