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TM_s-MEXT_ME28relC_00_12_19_EN

Technical manual

TRANSLATION OF THE ORIGINAL INSTRUCTIONS

Mask of the terminal

Description

N. Par.

--------------- P31.45
(408) Humidifier low
current alarm
out addressing: A

Humidifier low current alarm addressing on digital output (0:A - 1:none - 2:B)

31.45

--------------- P31.46
(410) Humidifier high
current alarm
out addressing: A

Humidifier high current alarm addressing on digital output (0:A - 1:none - 2:B)

31.46

--------------- P31.47
(412) Humid. generic
alarm
out addressing: A

Humidifier generic alarm addressing on digital output (0:A - 1:none - 2:B)

31.47

--------------- P31.49
(010 510) Flooding
alarm
out addressing:A

Flooding alarm addressing on digital output (0:A - 1:none - 2:B)

31.49

--------------- P31.50
(520) LAN alarm
out addressing: A

LAN alarm addressing on digital output (0:A - 1:none - 2:B)

31.50

--------------- P31.51
(530) Low room temp.
alarm out addressing:
  A

Low temperature alarm addressing on digital output (0:A - 1:none - 2:B)

31.51

--------------- P31.52
(531) High room temp.
alarm out addressing:
  A

High temperature alarm addressing on digital output (0:A - 1:none - 2:B)

31.52

--------------- P31.53
(540) Low room humid
alarm
out addressing: A

Low humidity alarm addressing on digital output (0:A - 1:none - 2:B)

31.53

--------------- P31.54
(541) High room humid
alarm
out addressing: A

High humidity alarm addressing on digital output (0:A - 1:none - 2:B)

31.54

Содержание s-MEXT-G00 006

Страница 1: ... modified without prior notice The reproduction and or dissemination of this document even in part is prohibited without the written consent of MEHITS S p A EN COMPUTER ROOM AIR CONDITIONER MODEL s MEXT G00 006 044 TECHNICAL MANUAL TRANSLATION OF THE ORIGINAL INSTRUCTIONS ...

Страница 2: ...TM_s MEXT_ME28relC_00_12_19_EN Technical manual TRANSLATION OF THE ORIGINAL INSTRUCTIONS 2 PAGE LEFT INTENTIONALLY BLANK ...

Страница 3: ...TIONS 3 Before carrying out any operation on the machine you must carefully read this manual and make sure you understand all the instructions and information given Keep this manual in a known and easily accessible place to refer to as necessary during the entire life span of the unit ...

Страница 4: ...SETPOINT 72 4 2 REGULATION PROBE MANAGEMENT 72 4 3 RETURN SETPOINT COMPENSATION 73 5 COOLING 74 5 1 COMMUNICATION WITH THE MR SLIM UNIT 74 5 1 1 Connection to only one external Mr Slim unit 74 5 1 2 Connection to more than one external Mr Slim unit 74 5 2 COLD REQUEST GENERATION 75 5 2 1 Management of dehumidification 76 5 3 MINIMUM DELIVERY TEMPERATURE LIMIT 77 5 3 1 Objectives 77 5 3 2 Adjustmen...

Страница 5: ...rmation 99 15 6 2 Event log display User Level 99 15 6 3 Event log display Service Level 99 15 6 4 Events mask 100 15 6 5 Deleting the events log 100 15 7 BLACK BOX FOR PARAMETERS 100 15 8 MAINTENANCE SIGNALS 100 16 HARDWARE 101 16 1 DESCRIPTION OF THE LEDS 101 17 INPUT OUTPUT CONFIGURATION TABLE 102 17 1 MAIN CONTROLLER 102 17 2 EXPANSION NO 1 ADDRESS 8 103 18 HARDWARE ARCHITECTURE 104 19 ADDRESS...

Страница 6: ... ADJUSTER CONTROL PARAMETERS 123 21 1 1 Proportional Action 123 21 1 2 Integral Action 123 21 1 3 Derivative Action 124 21 1 4 The combined effect of the three actions 124 21 1 5 Anti Windup control control of integral error 124 21 2 DEFINITION OF THE HUMIDIFIER S CONFIGURATION PARAMETER 125 Description of the symbols A number of symbols are used to highlight some parts of the text that are of par...

Страница 7: ...ity of setting the adjustment parameters both the fundamental ones entering the User password and the more advanced ones entering the Service and Factory password Possibility of manually managing manual override all the unit devices Management and acoustic and visual signalling visual only by default of faults alarms events and maintenance with memorisation up to 200 events Possibility of serial c...

Страница 8: ... Fixed in case of alarm and flashing in case of signal Once the ALARM key is pressed the led becomes fixed In lack of alarms signals the led is off PRG Accesses the main menu When the unit is operating ON ESC goes back one level in the mask tree if you are in the header masks or returns to the main mask Upon turning on the unit when pressing any key or activating an alarm signal It will disengage ...

Страница 9: ...ry Menu Esc Factory Menu Esc Esc Display Factory Esc Figure 2 2 Tree for moving around the menus The Unit Menu displays information such as temperature pressure and circuit states The Setpoint Menu is used to set the setpoints for the various available functions It is possible to set different setpoints depending on the available function modes heat resources present humidifier present and dehumid...

Страница 10: ...r moving around the User menu Service menu Selection Emergency menu Selection Regulations menu Selection Freecooling menu Selection Settings menu Selection Fan menu Selection Lan menu Esc Esc Esc Esc Emergency Menu Lan menu Freecooling menu Settings menu Fan menu Esc Esc Esc Esc Esc Esc Regulations menu Esc Esc Selection Adjust menu Esc Adjust menu Esc Selection Manual menu Esc Manual menu Esc Sel...

Страница 11: ...ery single digit in the set order from left to right To move from one digit to the next just press the ENTER key To move from one digit to the previous just press the ESC key If the cursor should be on the first digit to the left then this brings back to the main window The following table shows the values of the User password the Service password and the Factory password USER PASSWORD 1234 modifi...

Страница 12: ... change the Service password which can be accessed by entering the Settings menu under the Service menu The window to change the Factory password can be accessed from the Config menu under the Factory menu OBLIGATION If the Factory password is changed remember to re enter the password generated by the service software at the end of the test after maintenance is completed INFORMATION Some parameter...

Страница 13: ...shes and the icons also flash at the same time this means that the unit is on for post ventilation of the electric heaters see the relevant paragraph in the chapter Heating The flashing of the icon together with the flashing of the icon indicates that the unit is on because it is waiting for the Mr Slim external unit to switch off Zone 2 Unit detail status Presence of an active alarm Unit on stand...

Страница 14: ...ity of all the present events The order of severity for the events displayed in this area reflects the order in which the alarms are reported in the table from the most to the least severe The severity of the events is valued based on the consequences they imply for the operation of the conditioning unit Area 3_A Code of the event corresponding to the icon shown in area 3 As well as the code the e...

Страница 15: ...off Zone 9 Serial address of the unit when supervision operation enabled Zone 10 LAN address of the unit where the local network LAN is engaged Zone 11 The type of unit Split Type unit Split Type unit with Direct Freecooling In recirculation position only internal air In internal air external air mixing position In external air only position Zone 12 Display of active functions icon This area shows...

Страница 16: ...Unit on LAN Mimic Mask on Slave Unit LAN Temperatures Mimic Mask Unit on LAN Mimic Mask on Master Unit APL Mask ADL Mask Air Flow Control Mask Air Pressure Differential Control Mask Direct Freecooling Mask Internal Humidifier Mask Network Transducer Masks GSM Modem Masks Esc Esc Esc Esc Esc Esc Esc Esc Esc Esc Esc Esc Esc Esc PAC IF Master Main Mask PAC IF Master Adjustment Mask PAC IF Master Temp...

Страница 17: ...tatus Pressing ENTER will take to the section containing additional Master PAC IF card information In case of alarm the icon will flash showing the PAC IF code message followed by the alarm code from the PAC IF card For additional information on the meaning of the code see the Event Mask chapter PAC IF013B E SLAVE1 Active step 11 Mode COOLING Status Online Slave 1 PAC IF013B E status Pressing ENTE...

Страница 18: ... and its opening percentage The image graphically describes the Free Cooling damper position 000 0kg h A 00 0 µS cm000 Alarm Warning code 00 code 0 Humidifier operation status display mask Visible if humidifier is present Energy Managment Voltages V 000 Current A 000 0 Active Power kW 0000 0 Display mask for the values detected by the network transducer in case on mono phase circuit Visible if the...

Страница 19: ...aster PAC IF013B E card status mask PAC IF013B E Master Status ON Mode COOLING Step 11 Communication Online Master PAC IF info mask Status Method Communication Adjustment step PAC IF013B E Master TH11 10 0 C TH5 13 0 C TH2 09 0 C Master PAC IF info mask Suction temperature probe TH11 Two phase temperature probe TH5 Liquid temperature probe TH2 PAC IF013B E Master TH7 10 0 C Master PAC IF info mask...

Страница 20: ...PAC IF013B E Slave1 TH11 10 0 C TH5 13 0 C TH2 09 0 C Slave 1 PAC IF info mask Suction temperature probe TH11 Two phase temperature probe TH5 Liquid temperature probe TH2 PAC IF013B E Slave1 TH7 10 0 C Slave 1 PAC IF info mask External temperature probe TH7 PAC IF013B E Slave1 Compressor Status ON Predefrost OFF Defrost ACTIVE Selfprotection ACTIVE Software ver 000001 Slave 1 PAC IF info mask Comp...

Страница 21: ...erminal Press DOWN in the main display screen to display the active functions mask Visible from Main loop Figure 2 9 Active function mask representation Zone 1 and 2 Flashing of all the active functions Icon Function Meaning TIME BANDS ACTIVATED Time bands active Time bands active FREE COOLING ACTIVATED Freecooling active Unit in Freecooling mode DELIVERY AIR TEMP PROTECTION ACTIVATED Delivery air...

Страница 22: ... PROTECTION ACTIVATED Cold Spot protection for a pLAN network The unit considers its local temperature instead of the average temperature to control the Cold Spot concerned ACTIVE FAN ON STAND BY ACTIVATED Active Fan on Standby The unit is on standby but the fan continues to run at a set speed PERIODIC CHECK Periodic override The unit forces the cooling demand sent to the PAC IF cards to minimum a...

Страница 23: ... of the fans increases with 2 alert steps Zone 2 Status of the unit controlled by the PAC IF interface Icon Meaning Normal operation Unit in Alert mode Flashing With SRL LP active The request is stopped at its last value before entering alert mode Unit in Protection mode Flashing With SRL LP active The request sent to the unit decreases based on the set parameters Zone 3 Protection status Icon Mea...

Страница 24: ...he unit setting parameters Par N column are also included Mask of the terminal Description N Par Factory Password 0000000000 Manufacturer menu access mask Enter the manufacturer password for access This menu must be accessed only by authorised personnel Config Access mask to configuration submenu Press Up or Down to scroll the other masks and Esc to return to the submenu P10 32 Number of PAC IF013...

Страница 25: ... Boot 05 01 Bios06 21 This mask contains the reference information of the software Code ME 28 00 EN The closed padlock symbol shows that the board is provided with its propriety software The second part of the mask shows information about the hardware size S memories NAND Flash Ram and the versions of the installed operating system boot and bios Function Access mask to functions submenu Press Up o...

Страница 26: ...mask to valves submenu Press Up or Down to scroll the other masks and Esc to return to the submenu P13 05 EEV status N Parameters for setting the electronic valve N disabled Y enabled 13 05 Safety Mask confirming access to the Protections submenu Press Up or Down to scroll the other masks and Esc to return to the submenu P14 03 Probe alarm delay time 060s P14 04 Low Pressure alarm delay time 180s ...

Страница 27: ... parameter set during factory testing The mask is not displayed when the chiller is ON Reset Historical Alarm N Deletes the contents of the alarms log on the display Service Password 0000 Access mask to Service menu Enter the Service password for access This menu must be accessed only by authorised personnel Regulations Access mask to the Regulation submenu Press Up or Down to scroll the other mas...

Страница 28: ...bled Y enabled 20 10 P20 13 Remote ON OFF presence N Parameter for configuring the ON OFF remote contact N disabled Y enabled 20 13 P20 18 Regulation band in cooling 2 0 C P20 19 Regulation band in heating 1 5 C Parameter for setting the cooling regulation band and the heating regulation band 20 18 20 19 P20 20 Regulation band for dehumidif 5 RH P20 21 Regulation band for humidification 5 RH Param...

Страница 29: ...onfigure the number of interventions per hour count for the frost free function 0 disabled 1 enabled Parameter to set the number of interventions per hour for the passage from the automatic reset alarm to the manual reset Warning If the number of counts per hour is disabled the alarm is only in Manual reset mode 20 50 20 51 P20 56 Supply temp set point lower limit 10 0 C P20 57 Supply temp set poi...

Страница 30: ...l type 0 Digital 1 Modulating 21 09 21 10 P21 11 Freecooling damper reg set point 03 0 C P21 12 Freecooling damper reg band 01 0 C Parameter for setting the Setpoint T_ROOM T_EXTERNAL for Freecooling damper control and the parameter for setting the Freecooling damper control band 21 11 21 12 P21 13 Freecooling damper MIN opening 000 P21 14 Freecooling damper MAX opening 100 Parameter for setting t...

Страница 31: ...ess mask to Settings submenu Press Up or Down to scroll the other masks and Esc to return to the submenu The Settings menu contains the parameters relative to the alarm settings P22 92 Unit gas type R32 Parameter used to set the type of gas used in the cold circuit 22 92 P22 01 Low temperature alarm set point 10 C P22 02 High temperature alarm set point 32 C Parameter for setting the Low temperatu...

Страница 32: ... Parameter for selecting the delay time before signalling of the air flow alarm Parameter for selecting the delay time before signalling of the dirty filters alarm 22 79 22 80 P22 83 Type flood alarm A M P22 84 Type phase sequence alarm rearm A M Parameter for setting if the flooding event should cause a notification or an alarm and the reset type Parameter for setting the phase sequence error ala...

Страница 33: ...onstant flow rate check and constant DeltaP disabled 23 07 P23 08 MIN fan speed when modul active 050 Parameter for setting the minimum speed of the internal fan in modulation for inverter compressor units maximum reduction of design speed 23 08 P23 10 Fan speed when active dehumidif 060 Parameter for setting the fixed internal fan speed for units with inverter compressor in dehumidification 23 10...

Страница 34: ... Flow 23 70 FLOW SENSOR ADJUSTMENT Real Value 0000 Current Value 0000 Set flow 0000 Store K N Parameters for calibrating the constant flow function Adjust Access mask to the Adjust submenu Press Up or Down to scroll the other masks and Esc to return to the submenu P24 01 Ambient temp probe adjustment 0 0 C P24 02 Ambient humid probe adjustment 00 0 RH Parameters for calibrating the ambient tempera...

Страница 35: ...and Limit submenu Press Up or Down to scroll the other masks and Esc to return to the submenu Demand Limit NOT Available Mask displayed to warn that the Demand Limit function cannot be enabled Lan Access mask to Lan submenu Press Up or Down to scroll the other masks and Esc to return to the submenu Available ONLY for the MASTER unit Addr 1 This mask indicates that the LAN menu is only available fo...

Страница 36: ...configuring the time of activation of the Hot Cold Spot function after exceeding of the limits 26 15 P26 16 Active Fan on Stand by Enable N P26 17 Active fan speed 070 Parameter for enabling the Active Fan on Standby function Parameter for setting the fan speed during operation in Active Fan on Standby mode 26 16 26 17 P26 18 Active Pressure Load enable N P26 19 Disable APL during Diff P probe ala...

Страница 37: ...on enabling N Enables the manual operation of compressor 1 Heaters step 1 manual operation enabling N Heaters step 2 manual operation enabling N Enables manual operation of heater 1 and enables manual operation of heater 2 Internal Humidifier not active Humidifier manual operation enabling N Displays the operation of the internal humidifier and enables the manual operation of the humidifier Start ...

Страница 38: ... h000000 h000000 Operating time of the fans and compressors in the various unit configurations h000000 h000000 h000000 Operating time of the heaters and humidifier 000002 RES N Reset number of compressor starts 000000 RES N 000002 RES N 000000 RES N Reset number of heater and humidifier starts Manual Set h000000 RES N h000000 RES N Reset times of operation of the fans and compressors in the variou...

Страница 39: ...ss mask to the Optional submenu Press Up or Down to scroll the other masks and Esc to return to the submenu P27 02 Config heater N P27 03 Electric heater type ON OFF Electric heater configuration N disabled Y enabled Configuration type Electric heating elements 0 ON OFF 1 Modulating heating element 27 02 27 03 P27 04 Humidity sensor N P27 05 Humidifier Disabled Hot gas valve configuration N disabl...

Страница 40: ...to set the presence of the network transducer N absent Y present 27 13 P27 14 System type 3 ph Aron P27 15 Transformer ratio 00020 Parameter for configuring the power supply system that can be 1 2 3 phases with balanced unbalanced load with or without neutral Default system 3 4 unbalanced wires Parameter for configuring the input current transformer ratio Default 20 27 14 27 15 Config CPT network ...

Страница 41: ... 10 0 C Parameters for setting Offset start point cooling Offset end point Cooling 27 25 27 26 P27 27 Maximum heat setpoint compensation 00 0 C Parameter for setting the maximum setpoint offset heating 27 27 Regulations 2 Access mask to Regulations submenu 2 Press Up or Down to scroll the other masks and Esc to return to the submenu Regulation 2 parameter NOT Available It informs that no parameter...

Страница 42: ...the Summer Winter mode from BMS N disabled Y enabled 30 05 P30 09 Enable T regulation from Supervisor N Parameter for enabling adjustment according to the temperature provided by BMS N disabled Y enabled 30 09 P30 11 Enable FC STOP by supervisor N Enable stopping of Freecooling from BMS Visible only on unit with Direct Freecooling 30 11 GSM modem management Modem password 1234 Maximum numbers in a...

Страница 43: ...m out addressing A Fire smoke alarm addressing on digital output 0 A 1 none 2 B 31 03 P31 04 004 Phase seq alarm out addressing A Phase sequence alarm addressing on digital output 0 A 1 none 2 B 31 04 P31 10 101 Air flow alarm out addressing A Air Flow alarm addressing on digital output 0 A 1 none 2 B 31 10 P31 11 120 Room temp probe alarm out addressing A Ambient air temperature probe alarm addre...

Страница 44: ...addressing on digital output 0 A 1 none 2 B 31 19 P31 23 192 exp offline alarm out addressing A P31 24 199 Transd offline alarm out addressing A Inverter IO expansion offline alarm addressing on digital output 0 A 1 none 2 B Network transducer offline alarm addressing on digital output 0 A 1 none 2 B 31 23 31 24 P31 25 195 Humidifier Offline out addressing A Humidifier CPY module alarm addressing ...

Страница 45: ... A 1 none 2 B 31 47 P31 49 010 510 Flooding alarm out addressing A Flooding alarm addressing on digital output 0 A 1 none 2 B 31 49 P31 50 520 LAN alarm out addressing A LAN alarm addressing on digital output 0 A 1 none 2 B 31 50 P31 51 530 Low room temp alarm out addressing A Low temperature alarm addressing on digital output 0 A 1 none 2 B 31 51 P31 52 531 High room temp alarm out addressing A H...

Страница 46: ...rature probe alarm address on digital output 0 A 1 none 2 B Visible when the auxiliary probe with address 129 is configured 31 70 P31 71 126 Aux Hum addr 129 probe alarm out addressing A Auxiliary humidity probe alarm address on digital output 0 A 1 none 2 B Visible when the auxiliary probe with address 129 is configured 31 71 P31 72 181 Aux Temp addr 129 offline out addressing A Auxiliary probe o...

Страница 47: ...2 PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 33 17 P33 18 812 PAC IF013B E Master P6 Freezing al out addressing A P6 Freezing PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 33 18 P33 19 813 PAC IF013B E Master P6 Overheating al out addressing A P6 Overheating PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 33 19 P33 20 814 PAC...

Страница 48: ...ddressing A E7 PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 33 26 P33 27 821 PAC IF013B E Master Fb alarm out addressing A Fb PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 33 27 P33 28 822 PAC IF013B E Master PL alarm out addressing A PL PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 33 28 P33 29 823 PAC IF013B E Master PU ala...

Страница 49: ... out addressing A P6 Overheating PAC IF013B E Slave 1 alarm addressing on digital output 0 A 1 none 2 B 33 35 P33 36 829 PAC IF013B E Slave 1 P9 alarm out addressing A P9 PAC IF013B E Slave 1 alarm addressing on digital output 0 A 1 none 2 B 33 36 P33 37 830 PAC IF013B E Slave 1 E0 E4 alarm out addressing A E0 E4 PAC IF013B E Slave 1 alarm addressing on digital output 0 A 1 none 2 B 33 21 P33 38 8...

Страница 50: ...alarm out addressing A PL PAC IF013B E Slave 1 alarm addressing on digital output 0 A 1 none 2 B 33 44 P33 45 838 PAC IF013B E Slave 1 PU alarm out addressing A PU PAC IF013B E Slave 1 alarm addressing on digital output 0 A 1 none 2 B 33 45 P33 46 839 PAC IF013B E Slave 1 EE alarm out addressing A EE PAC IF013B E Slave 1 alarm addressing on digital output 0 A 1 none 2 B 33 46 P33 47 050 Gas Leak D...

Страница 51: ... or Down to scroll the other masks and Esc to return to the submenu Filter for alarm event Location ALL Mask selecting the alarm type from the display history It is possible to select from COMPRESSOR CIRCUIT UNIT and SYSTEM alarms For a description of the location field please refer to the EVENTS chapter 15 32 28 11 05 12 pLAN Address 01 Event n 004 SET A002 Type AUTO Wrong Power Phases Sequence L...

Страница 52: ...ing of each analogue output please refer to the input output configuration tables Input Output GSM modem Status Stand by ext modem Offline 000 Timelnextncallr 00000s SMS Queue 00 GSM modem status display mask Visible if the GSM modem is present and configured Setpoint Access mask to Setpoint menu Press Up or Down to scroll through the other masks and Esc to return to the menu selection list Submen...

Страница 53: ...n to scroll the other masks and Esc to return to the submenu INTERNAL FAN Speed 100 Regulation Type STANDARD Mask that displays the speed of the internal fans and type of adjustment 24 0 C 15 0 C 35 0 Active probe value display mask Return temperature probe Delivery temperature probe External temperature probe AUXILIARY T H PROBE Addr 129 24 0 C 50 0 Status Offline Mask that displays the value of ...

Страница 54: ... and humidifier start ups UNIT SERIAL NUMBER 032000000 Mask that displays the serial number of the unit Evolution Code ME 28 00 EN HW pCO5 S NAND 50MB Flash 2MB 7MB 4MB Ram 2048KB Boot 05 01 Bios06 21 This mask contains the reference information of the software Code ME 28 00 EN The closed padlock symbol shows that the board is provided with its propriety software The second part of the mask shows ...

Страница 55: ... the unit is set from 6 00 am to 8 00 pm and it remains off all other hours of the week 901 01 901 02 901 03 901 04 901 05 901 07 901 08 901 09 901 10 901 11 Band 3A Off Time 20 00 20 00 Sp C 24 0 C H 20 0 C Band 4A Off Time 20 00 20 00 Sp C 24 0 C H 20 0 C Setting of time bands A to D third and fourth daily time band In the example the unit is set from 6 00 am to 8 00 pm and it remains off all ot...

Страница 56: ...N Par Band 9A Off Time 20 00 20 00 Sp C 24 0 C H 20 0 C Band 10A Off Time 20 00 20 00 Sp C 24 0 C H 20 0 C Setting of time bands A to D ninth and tenth daily time band In the example the unit is set from 5 00 am to 10 00 pm and it remains off all other hours of the week 901 49 901 50 901 51 901 52 901 53 901 55 901 56 901 57 ...

Страница 57: ...5 dn500 Vpro ZH 6 dn560 Vpro ZH 7 dn630 Vpro ZH 8 dn630PL 9 dn710 Cpro ZH 10 dn255 11 dn310 12 dn400 13 dn450 14 dn560 0 0 14 12 01 Minimum compressor ON time 60 s 60 600 12 02 Minimum compressor OFF time 60 s 60 600 12 03 Minimum time between two ON s of the same compressor 360 s 360 999 13 05 Electronic valve configuration 0 Disabled 1 Enabled 0 0 1 14 03 Sensors alarm delay 60 s 5 999 14 04 Low...

Страница 58: ... 0 40 0 20 57 Delivery air adjustment setpoint maximum limit 25 0 C 5 0 40 0 20 71 T H limits alarm configuration with unit OFF 0 Disabled 1 Enabled 1 0 1 20 72 T H limits alarm delay when unit ON 600 s 1 999 20 74 Circuit 1 Safety Reduction Load LP function activation setpoint 7 2 bar 5 0 9 0 20 75 Circuit 1 Safety Reduction Load LP function differential 0 6 bar 0 0 1 0 20 82 Auxiliary humidity p...

Страница 59: ... Disabled 1 Enabled 0 0 1 23 03 Internal fan speed with Economy Mode enabled 50 0 99 23 07 Internal fan modulation function configuration for units with inverter compressor 0 Disabled 1 Enabled 1 0 1 23 08 Minimum internal fan speed in modulation Maximum reduction in project speed 50 0 P 10 11 23 10 Internal fan speed in dehumidification Maximum reduction in project speed 60 P 99 01 P 10 10 23 11 ...

Страница 60: ...ucer alarm 0 Disabled 1 Enabled 0 0 1 26 20 Enable the H L Local Pressure Protection function 0 Disabled 1 Enabled 0 0 1 26 21 High local pressure function On differential 10 Pa 2 999 26 22 Low local pressure function On differential 10 Pa 2 999 26 23 Time before protection Off when the temperature is between the high and low local pressure limits 300 s 10 600 26 24 Time before protection On when ...

Страница 61: ...probe alarm addressing on digital output 0 A 1 None 2 B 0 0 2 31 13 Differential pressure probe alarm addressing on digital output 0 A 1 None 2 B 0 0 2 31 14 Delivery air temperature probe alarm address on digital output 0 A 1 None 2 B 0 0 2 31 16 External air temperature probe alarm addressing on digital output 0 A 1 None 2 B 0 0 2 31 18 Electric heater alarm addressing on digital output 0 A 1 No...

Страница 62: ...larm addressing on digital output 0 A 1 none 2 B 0 0 2 33 23 E2 PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 0 0 2 33 24 E3 E5 PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 0 0 2 33 25 E6 PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 0 0 2 33 26 E7 PAC IF013B E Master alarm addressing on digital output 0 A 1 none 2 B 0 0 2 33...

Страница 63: ...oint for LAN limits 75 UR P 50 03 90 50 08 Humidification setpoint for LAN limits 35 UR 10 P 50 04 50 09 Minimum room temperature for dehumidifier disable 23 0 C P 14 10 35 0 50 14 Setpoint for the adjustment of the fan using the fan adjustment based on return temperature function 24 0 C P 20 24 P 20 25 50 15 Setpoint for the adjustment of the fan using the fan adjustment based on return temperatu...

Страница 64: ...the event is an alarm S S Display signal with alarm cumulative setting Key to Type of Reset column A Type AUTO Automatic rearm if the condition causing the alarm disappears the alarm resets automatically M Type MANUAL Manual rearm if the condition causing the alarm disappears the alarm must be reset from the keyboard A M Type AUTO Type MANUAL Automatic reset if the type of reset set in the paramet...

Страница 65: ...onnected Auxiliary humidity sensor fault serial probe address 129 Only visible when the remote T H sensor is available A A U NO 140 Delivery Air Temperature Sensor Failed Disconnected Delivery air temperature sensor faulty A A U FN Lim 144 Outdoor Temp Sensor Failed Disconnected External air temperature sensor faulty Only visible for Freecooling units A A U FN FC 150 Heaters Overheating or Heaters...

Страница 66: ...sible only if the local network LAN management is set S A P NO 530 Room Temperature Below Min Limit Reports that the temperature is below the minimum set level S A P NO 531 Room Temperature Above Max Limit Reports that the temperature is above the maximum set level S A P NO 540 Room Humidity Below Min Limit Reports that room humidity is below the minimum set level Visible only if humidity control ...

Страница 67: ...larm Target air temperature sensor faulty TH1 Slave 1 PAC IF013B E A A P NO 826 PAC IF013B E Slave 1 P2 Alarm Liquid temperature sensor faulty TH2 Slave 1 PAC IF013B E A A P NO 827 PAC IF013B E Slave 1 P6 Freezing Alarm Freezing protection Slave 1 PAC IF013B E A A P NO 828 PAC IF013B E Slave 1 P6 Overheating Alarm Overtemperature protection Slave 1 PAC IF013B E A A P NO 829 PAC IF013B E Slave 1 P9...

Страница 68: ...nder 5 E2 Damaged Eeprom Refer to the CPY manual for further info EVOLUTION CPY alarms Code Display description Type Code Red indicator LED Description 195 Humidifier Board Offline Al Auto 1 2 slow flashes Device Offline 402 Life timer expired Reset Clean cylinder Al Auto 3 8 fast flashes Mn Cylinder life 404 Humidifier Drain alarm Al Auto 12 5 slow flashes Ed Drain alarm 406 Humidifier Loss of Wa...

Страница 69: ...y The procedures take the following priority in case of conflicts from highest to lowest priority 1 On Off from user interface 2 On Off from digital input 3 On Off from local network LAN 4 On Off from time bands 5 On Off from protocol Using the user interface The On Off parameter is displayed on the main mask Off means that the unit is switched off while On means that the unit is switched on Proce...

Страница 70: ...ed Below are a few examples that in graphical form use bands A B and C in the clock menu The weekly chart uses band A for Monday band B for Tuesday Wednesday Thursday and Friday and band C for Saturday while for Sunday the bands are disabled Figure 3 1 Example ofdaily time band settings Using the supervision protocol Only if the serial board is fitted Check in the User menu that the parameters Ser...

Страница 71: ...ntilation forced to maximum level 3 6 MANUAL MANAGEMENT It is possible to manually start the devices connected to the outputs without using delays rotating the compressors and regardless of the adjustment and the values measured by the probes The only support available in manual mode is the management of the alarms protecting the safety and integrity of the devices Manual activation of the analogu...

Страница 72: ...es beyond the limit of the opposite proportional band Integral adjustment is inhibited and therefore pure proportional adjustment is active when the two cold and hot setpoints are set so that a dead zone is included when the two setpoints are different In this case no adjustment resources must ever be enabled in the temperature zone between the two setpoints the integral adjustment delay is theref...

Страница 73: ...ntrolled temperature unless it is specified that the unit fan adjust their own numbers of revolutions based on the return temperature The logic is shown below P50 01 Offset setpoint C P27 23 P27 22 P27 24 Probe reading C Figure 4 2 Chart showing the setpoint offset based on the T H probe To ensure independent management of the offset both during cooling and heating a second set of three parameters...

Страница 74: ...e below requires the internal unit s MEXT to control through the RTU Modbus protocol the PAC IF013B E card which will then manage the Mr Slim external unit Figure 5 1 Logic diagram for connection to 1 Mr Slim unit 5 1 2 Connection to more than one external Mr Slim unit With this connection represented in the figure below the internal unit s MEXT controls through the RTU Modbus protocol the Master ...

Страница 75: ... adjuster will then be converted into 11 request steps and sent to the Master PAC IF card The Master PAC IF card will then send the capacity request to any connected Slave PAC IF cards Cooling request 1 2 3 4 5 6 7 8 9 10 11 Req OFF 100 0 Figure 5 4 Step subdivision logic operation During the operation of the PAC IF card the passage through the steps is sent in accordance with the following time s...

Страница 76: ...ence of any critical blocking alarms that would cause the switching off of the s Mext unit ATTENTION In case of blocking alarm from a PAC IF card step 0 is forced until the normal operating conditions are reinstated This forcing is necessary in order to reset the alarm but causes the switching off of all PAC IF cards 5 2 1 Management of dehumidification In order to be able to dehumidify as soon as...

Страница 77: ...ect expansion unit or the valve in the chilled water unit closes 5 3 2 Adjustment logic In detail adjustment takes place as follows When the value of the delivery temperature is nearer to the setpoint minimum limit than the cooling demand adjustment automatically switches to the cooling demand of the ramp for the adjustment of the delivery temperature For example if cold demand is 90 while the del...

Страница 78: ...lowing conditions are met 1 Adjustment consent is active 2 The heating element overheating alarm is not present from thermostat 3 None of the compressors are in cooling mode 6 2 POST VENTILATION FUNCTION FOR THE ELECTRIC HEATERS This function available for all the units equipped with electric heaters is for cooling the electric heaters when the unit is turned off and the electric heaters are still...

Страница 79: ...General considerations When the dehumidification function is enabled the reaction of the ambient temperature depends on the heat load present at that moment If the heat load is such as to require maximum cooling power the decrease in sensible power caused by the activation of the dehumidification function may not allow the thermal load to be addressed and thus the ambient temperature may thus incr...

Страница 80: ...owing figure T ambient C P20 18 Differential Dehumidify ON P50 01 Figure 7 3 Cold only unit dehumidification lower limit graph If there are heat resources available heaters the lower limit step refers to the hot setpoint as shown in the following figure T ambient C P20 19 Differential Dehumidify ON P50 02 Figure 7 4 Lower dehumidification limit graph for units with heat resources The Hot and Cold ...

Страница 81: ...ntering the Factory password For the default values see the parameters table 7 2 7 Post heating If heating resources are present it is possible to enable them for post heating that is heating the air after it crosses the cooling coil This makes it possible to avoid prematurely interrupting the dehumidification function to reach the previously described lower limit For this purpose the activation o...

Страница 82: ... Dehumidification and Humidification differential parameters are under the Regulations menu which can be accessed by entering the Service password The Dehumidify set point minimum limit parameter is under the Safety menu which can be accessed by entering the Factory password OBLIGATION All changes made to the minimum limit of the dehumidifcation setpoint must be authorised by MEHITS who will provi...

Страница 83: ...under the Optional menu which can be accessed by entering the Service password 8 2 3 Cylinder and line initial pre wash Allows to clean the water lines and cylinder most importantly after the hydraulic connections and or replacing the cylinder The cylinder is filled and emptied 3 times in order to remove any impurities present in the pipes and cylinder The lines and the cylinder can be pre washed ...

Страница 84: ...rge pieces of solid waste that occupy the space until they prevent the inlet and outlet water from flowing correctly Patina of non conductive substances covering the electrodes due to the foam forming as a result of the possible presence of surface active agents in the water Corrosion of the metal electrodes This phenomenon occurs when the water rich in aggressive chemicals such as chlorine is exc...

Страница 85: ...equest to the Master PAC IF card 0 Fan 100 Step no 0 Step no 11 P50 01 Cold setpoint P50 01 P20 18 Cold setpoint differential Figure 10 1 Standard fan representation 10 3 Modulating FUNCTION The ventilation is modulated based on the adjustment step requested to the Master PAC IF013B E card P10 10 P23 08 P23 01 Cold Ramp Request to the Master PAC IF card 0 Fan 100 Step no 0 Step no 11 P50 01 Cold s...

Страница 86: ...oint derived from the following function 2 2 2 2 k n Q k Q P t set Where Qset desired calculated flow setpoint Qt flow setpoint entered from the keypad n Number of fans k Characteristic value of the measurement inlet varies according to the diameter The following table shows the k value associated to each diameter and type of outlet used in s MEXT units This value can be set by changing parameter ...

Страница 87: ...n signal variations The EC control parameters are under the Fan menu accessible through the Service password The default values are are the following Scan time 60 sec Step voltage 10 corresponds to a 0 1VDC signal increase decrease Hyst flow 25 Fan modulation delay 120 sec The Fan modulation delay is used whenever the unit is started in order to allow the fan to start Once this time elapses speed ...

Страница 88: ...iale P23 69 Figure 10 7 Fan adjustment graph During the configuration of the unit the design differential pressure value is entered The programme also requires the fan to have a minimum flow rate below which the controller cannot go This value is also entered during unit configuration The parameters entry mask is under the Function menu accessible through the Factory password INFORMATION The minim...

Страница 89: ...ucer to measure the new differential pressure value there is a scan time that sets the time between the two fan signal variations The EC control parameters are under the Fan menu accessible through the Service password The default values are are the following Scan time 60 sec Step voltage 10 corresponds to a 0 1VDC signal increase decrease Hyst flow 25 Fan modulation delay 120 sec The Fan modulati...

Страница 90: ...e Optional menu which can be accessed by entering the Service password For the default values see the parameters table 11 2 DIRECT FREE COOLING DAMPER The Direct Freecooling damper is available for all unit types with the exception of units with Indirect Freecooling It remains shut if The fan is off unit OFF Direct Freecooling is not enabled The compressor or the valve are active and temporary ope...

Страница 91: ...cooling menu which can be accessed by entering the Service password 11 3 1 Adjustment of Split Type units and Direct Freecooling with damper P21 13 P21 14 ambient T C P20 18 differential Master PAC IF card request P50 01 Freecooling damper 50 Step no 0 Step no 11 Figure 11 2 Resource activation chart for Split Type unit with 1 Mr Slim and Freecooling damper Tambient C P20 18 differential P50 01 P2...

Страница 92: ...tion when a cold resource alarm appears compressor or water flow alarm In particular the parameter can be used to select compressor alarm setpoint and band in case of direct expansion resource or water flow no water alarm condition for water cooled units The setpoint and adjustment band values for all the types of units are in the Freecooling menu which can be accessed by entering the Service pass...

Страница 93: ...ny case this will respect the safety times minimum ON time When the low pressure read by the probe goes back above a value equal to set differential the compressor will be enabled again In any case this will respect the safety times minimum OFF time and minimum ON ON time INFORMATION The handling of the alarm starts with a delay equal to the low pressure activation delay parameter value from the t...

Страница 94: ...the level and step at the time the unit returns to normal adjustment mode INFORMATION The safety times of the compressors are observed The charts in the following pages show the operation described above SAFETY REDUCTION LOAD LP 2 Check 1 Normal Fan 3 Step1 4 Step2 5 Finish FUNCTION RESTORE FAN MANAGEMENT FUNCTION ACTIVATION Protection not active Ventilation Speed Req REGULATION FAN SPEED Protecti...

Страница 95: ...T WAIT REQUEST WAIT REQUEST WAIT LASTSTEP OF PROTECTION If theprotection is still activated The logic willdecrese the request END OF SRL REQUEST Protection stillnot active PAC IF Req REGULATION Protection stillnot active The logic willrestore the original request sent to the PAC IF and wait a timer before going to 1 NormalZone Iftheprotection is still not active The logic willincrese the request a...

Страница 96: ...nits Active phase power only for three phase units Total active power Active energy Hour counts The power counter and hour counter are reset from the Manual menu which can be accessed by entering the Service password The Manual menu can also be used to reconfigure the transducer if for example it is replaced If the transducer does not communicate with the controller due to a broken cable or commun...

Страница 97: ...h low humidity alarms may occur even when the unit is turned off The parameters for enabling and configuring are in the Settings menu which can be accessed by entering the Service password The setpoint and differential parameters of the following alarms can be found under the Settings menu which can be accessed by entering the Service password For the default values see the parameters table 15 2 1...

Страница 98: ...he alarm cumulative In case of an event The red led flashes intermittently in case of a Signal The red led is fixed in case of an Alarm event The main mask lights up The area 2 in the main mask displays the alarm icon represented by an operating buzzer The area 3 of the main mask displays an icon reporting the cause of the alarm and next to it the type of event Signal Alarm and the associated even...

Страница 99: ...ws all the events with the exception of Warnings It is possible to filter the events according to position by choosing between ALL All events without any distinctions in terms of position will be displayed Compressor Only the events involving the compressor will be displayed Circuit Only the events involving the circuit will be displayed water or gas Unit Only the events involving the unit will be...

Страница 100: ...he Factory password 15 7 BLACK BOX FOR PARAMETERS The application software logs all changes made to the unit parameters recording the date and time of the change and indicating the old value and the new one after the change It also keeps a record of all the unit parameters to offer an overview of its status The file generated by the Parameters black box is encrypted and only readable using the Ser...

Страница 101: ...rious pieces of hardware used for the software architecture are shown below Figure 16 1 Version S of the hardware Figure 16 2 Humidifier control board 16 1 DESCRIPTION OF THE LEDS Figure 16 3 LEDs on the base board A A 7 segment display for viewing and setting the address of the board B Power LED C Overload LED ...

Страница 102: ...onnector Type Description J2 U1 4 20mA Circuit 2 evaporation pressure transducer 1 J4 Y1 0 10VDC Internal Electronic Fan U2 NTC Ambient air temperature Y2 U3 NTC Delivery air temperature Y3 J3 U4 4 20mA Evaporation pressure transducer Y4 U5 Remote on off Free 3 Free 0 Digital Inputs Digital Outputs Connector Type Description Connector Type Description J5 ID1 Phase Sequence J12 NO1 Internal Fan Del...

Страница 103: ...rom superv B2 Free J10 B3 NTC External Air Temperature B4 Free Free 2 Digital Inputs Connector Type Description J4 ID1 Internal electronic fan 1 alarm 2 ID2 Internal electronic fan 2 alarm 2 ID3 Free ID4 Free Free 2 Analogue Outputs Connector Type Description J2 Y1 0 10VDC Direct Freecooling damper Free 0 Digital Outputs Connector Type Description J5 NO1 NC1 Direct OPEN FC J6 NO2 NC2 Free J7 NO3 N...

Страница 104: ...NS 104 18 HARDWARE ARCHITECTURE pLAN Carel protocol BMS2 Modbus only for KIPlink BMS1 other protocol command from external BMS FieldBus 1 Modbus Master 2 0 ClimaPRO Climacenter ClimaGuard Modbus FieldBus 2 Modbus Master 3 0 only for PAC IF013B E Figure 18 1 Hardware architecture diagram ...

Страница 105: ...e 128 Dip switch see next chapter Additional Room T H probe 129 Dip switch see next chapter CPY 148 Default Network transducer Gavazzi 1 The address remains fixed at 1 In the Config menu which can be accessed by entering the Factory password communication is enabled with the transducer 19 1 1 Configuration of T H probe module communication The T H probe communication parameters are configured usin...

Страница 106: ...witches Description Position Value SW6 1 2 Protocol OFF Manual step control through the Modbus protocol SW1 1 3 ON SW1 8 OFF ON with IMOUC disabled single Mr Slim unit with IMOUC enabled multiple Mr Slim unit SW3 6 7 Baud Rate OFF 19200 SW3 8 ON SW4 1 Device address ON 21 SW4 2 OFF SW4 3 ON SW4 4 OFF SW4 5 ON SW4 6 Parity type OFF NONE SW4 7 ON SW4 8 Stop bits ON 2 bit Nessuno Data length 8 bit Sl...

Страница 107: ...he local unit with the rest of the LAN It cyclically performs a global check up of the rest of the LAN which can be seen by the unit in question It cyclically performs the transmission and reception routine of the variables of the local unit involved in transmission For correct operation of the units connected to the local LAN network it is necessary to perform the following operations 20 2 2 Netw...

Страница 108: ...ivate 32 shared INFORMATION The control board is supplied with LAN address 1 The address may be checked directly on the control board or by means of the user terminal following the steps indicated under the following sections 20 2 4 Addressing the control board From the board The control board address is displayed by 7 segment screen in the following image Display a 7 segmenti per la procedura di ...

Страница 109: ...o the device run the following procedure 1 Press and hold UP DOWN ENTER at the same time for at least 3 seconds to enter configuration mode A mask is displayed with the cursor flashing in the top left corner Display address Setting 00 I O Board address 2 Press ENTER once to modify the address of the terminal display address setting The cursor will move on the address field Press UP or DOWN to sele...

Страница 110: ...at was previously in stand by 20 4 2 Rotation management The rotation of the reserve unit is managed entirely by the address 1 unit which in this case acts as Master unit while all the others are Slaves and is based on time parameters starting from the unit with the lower address that is address 1 and works its way up Two reserve units can be set but only when there are at least three units connec...

Страница 111: ...nected Circuit 2 low pressure transducer fault alarm Visible only if the transducer is present A A CI FN 5104 Flood Alarm check Water Connections Reports the engagement of the flooding sensor Visible only if the detecting input is present S A M P NO 531 Room Temperature Above Max Limit Reports that the temperature is above the maximum set level S A P NO 601 EEPROM Error Replace Control Board Repor...

Страница 112: ...nt C P20 18 Differential Stand by unit ON P50 05 Stand by unit OFF P20 19 Differential Stand by unit ON P50 06 Stand by unit OFF T ambient C Figure 20 3 Chart showing the activation of the reserve unit due to the exceeding of the Cold or Hot setpoint P20 20 Differential Stand by unit ON P50 07 Stand by unit OFF RH ambient P20 21 Differential Stand by unit ON P50 08 Stand by unit OFF RH ambient Fig...

Страница 113: ... Status STDBY STDBY LAN Stand BY UNIT 4 MASTER UNIT 2 UNIT 3 UNIT 5 UNIT 6 UNIT 7 UNIT 8 UNIT 9 UNIT 10 StandBy units 2 STDBY STDBY U1 On U2 On U3 On U4 Fail U5 On U6 STDBY U7 On U8 On U9 On U10 On Unit Status STDBY LAN Stand By UNIT 4 MASTER UNIT 2 UNIT 3 UNIT 5 UNIT 6 UNIT 7 UNIT 8 UNIT 9 UNIT 10 StandBy units 2 STDBY Figure 20 5 Chart showing use of the standby function The parameters for enabl...

Страница 114: ...n stand by is managed by the AFS function P26 16 which controls dynamic stand by The diagram below represents the operating mode described above LAN Active Fan on Stand by AFS UNIT 4 MASTER UNIT 2 UNIT 3 UNIT 5 UNIT 6 UNIT 7 UNIT 8 UNIT 9 UNIT 10 StandBy units 2 AFS Speed 70 U1 On U2 On U3 On U4 Fail U5 On U6 On U7 Fail U8 On U9 On U10 On Unit Status U1 On U2 On U3 On U4 On U5 AFS ON U6 AFS ON U7 ...

Страница 115: ...enabled Are not in alarm see following chapters Are not off from user terminal The user terminal of each individual unit also displays the value read by its own temperature probe 20 6 3 Enabling the average for use Use of the average temperature and humidity value is only enabled if The function is enabled Faults in the LAN connection of the unit are not found If faults are detected in the LAN net...

Страница 116: ...as a result of one of the above limits being reached it frees the protected unit from having to adjust according to the average temperature so that it can adjust according to its own local air temperature and the temperature fault detected in that individual unit can be managed independently After the local air temperature has been brought by the independent unit back within the Hot Spot and Cold ...

Страница 117: ...C MASTER UNIT 5 CLC 24 0 C MASTER UNIT 6 CLC 21 9 C MASTER UNIT 9 CLC 24 0 C MASTER UNIT 10 26 0 C CLC UNIT T LOCAL T MEDIA DELTA HOTSPOT DELTA COLDSPOT T REG U1 24 0 C 24 0 C U2 24 2 C 24 0 C U3 23 8 C 24 0 C U4 24 1 C 24 0 C U5 23 7 C 24 0 C U6 24 1 C 24 0 C U7 U8 U9 23 9 C 24 0 C U10 24 3 C 24 0 C 24 01 C 2 0 C 2 0 C LAN Status UNIT T LOCAL T MEDIA DELTA HOTSPOT DELTA COLDSPOT T REG U1 24 0 C 2...

Страница 118: ... is always provided by the unit that is disconnected isolated from all the others provided it is powered If the highest visible addressing unit coincides with the last one planned for the network the signal is provided by the unit that sees itself as the one with the lowest address of the visible ones If the highest visible addressing unit does not coincide with the last one planned by the network...

Страница 119: ...ed alarm 7 and 8 if powered and working Example 4 Situation Network split into two sections Units signalling the LAN disconnected alarm 3 and 4 Example 5 Situation Network split into three sections Units signalling the LAN disconnected alarm 2 3 4 and 5 Example 6 Situation Network split into two sections and one unit disconnected n 6 Units signalling the LAN disconnected alarm 3 4 and 6 ...

Страница 120: ...as build up The units not in alarm condition will show this reaction through the flashing of the Active Functions mask to indicate that the behaviour is due to the presence of an alarm in at least one of the other units connected to the LAN network 20 9 1 Missing Air Flow alarm event With this alarm active the other network units switch the speeds of their fans to maximum level Units Off from term...

Страница 121: ...rk boards Moreover it may be connected both on the unit panel terminal or in remote position wall terminal 20 10 1 Connecting the remote keyboard As a standard there is only the on board keyboard directly connected to the J10 connector It is possible to connect a remote keyboard to the unit and it is possible to choose from different configurations Figure 20 10 Basic scheme to connect a remote key...

Страница 122: ...his and a remote keyboard up to 200 metres is that the power unit must be to terminals 1 and 2 of the T shunt the one near the remote keyboard In this case a 3 wire cable connecting the two T shunts is sufficient If just one chiller is connected the connection diagram is Figure 20 12 Electric diagram for connecting a remote keyboard at a distance between 200 m and 500 m 20 10 5 Remote keyboard for...

Страница 123: ...ted with this formula 𝐾𝑝 100 𝐵𝑝 Where Bp is the value of the proportional band defined by one of the following parameters P20 18 for temperature adjustment P20 21 for humidity adjustment The proportional band Bp defines the maximum error capable of bringing the proportional action to 100 A low Bp value can therefore cause an extreme reaction even when there are slight variations in the error while...

Страница 124: ...ative time to 0 21 1 4 The combined effect of the three actions The control action of the system is therefore calculated one moment at a time as the sum of the three contributions Proportional Integral and Derivative The Proportional Action represents the component most sensitive to the current value of the error High Kp values entail a significant reaction also for slight error variations Reduced...

Страница 125: ...460V 3 ph Drain Pump 29 029 5 kg h 575V 3 ph Drain Pump 30 030 8 kg h 200V 3 ph Drain Pump 31 031 8 kg h 208V 3 ph Drain Pump 32 032 8 kg h 230V 3 ph Drain Pump 33 033 8 kg h 400V 3 ph Drain Pump 34 034 8 kg h 460V 3 ph Drain Pump Value P27 06 Definition 35 035 8 kg h 575V 3 ph Drain Pump 36 036 9 kg h 208V 1 ph Drain Pump 37 037 9 kg h 230V 1 ph Drain Pump 38 038 10 kg h 200V 3 ph Drain Pump 39 0...

Страница 126: ... 92 092 5 kg h 208V 3 ph Drain Valve 93 093 5 kg h 230V 3 ph Drain Valve 94 094 5 kg h 400V 3 ph Drain Valve 95 095 5 kg h 460V 3 ph Drain Valve Value P27 06 Definition 96 096 5 kg h 575V 3 ph Drain Valve 97 097 8 kg h 200V 3 ph Drain Valve 98 098 8 kg h 208V 3 ph Drain Valve 99 099 8 kg h 230V 3 ph Drain Valve 100 100 8 kg h 400V 3 ph Drain Valve 101 101 8 kg h 460V 3 ph Drain Valve 102 102 8 kg ...

Страница 127: ...TM_s MEXT_ME28relC_00_12_19_EN Technical manual TRANSLATION OF THE ORIGINAL INSTRUCTIONS 127 ...

Страница 128: ...TM_s MEXT_ME28relC_00_11_19_EN ...

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Mitsubishi Electric s-MEXT-G00 006, Техническое руководство

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