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caution - Schneider Electric

1. Addr Name Value Min Max Description Mode Base 1 9 Al5 OutDoorProbe po leara 39767 utdooral R O iz temperature High pressure 10 Al1_remotePressureHP_C2 0 0 3276 8 3276 7 condenser circuit R O 2 Low pressure 11 AI2 RemoteLP C2 0 0 3276 8 3276 7 condenser circuit R O 2 Evaporator leaving 12 Al3remote TempLeavingC2 0 0 3276 8 3276 7 temperature circuit R O 2 13 AO1 0 00 0 00 100 00 Analog out 1 R O 14 AO2 0 00 0 00 100 00 Analog out 2 R O 15 AO3 0 00 0 00 100 00 Analog out 3 R O 16 AO4 0 00 0 00 100 00 Analog out 4 R O 17 AO5 0 00 0 00 100 00 Analog out 5 R O 18 AO6 0 00 0 00 100 00 Analog out 6 R O 19 PackedAlarm1 0 0 65535 Alarm 1 16 R W 20 PackedAlarm2 0 0 65535 Alarm 17 32 R W 21 PackedAlarm3 0 0 65535 Alarm 33 48 R W 22 SetpointSummer Actual 85 150 230 EEN R W summer 23 SetpointWinter Actual 440 230 70 0 Aclllakselpolht keng winter 24 PowerRequested 0 0 100 bad power ew 25 PowerSupplied 0 0 100 na ia power mw 0 26 PT02 StartDay1TZ 1 Low 0 0 86399 102 Slat tine Leng day 1 zone 1 27 PTO2 StartDay1TZ 1 High 28 PTO3 EndDay1TZ 1 Low 0 0 gesca T T03 Pnatime Ra day 1 zone 1 29 PTO3 EndDay1TZ 1 High PT04 Offset 30 PT04 day1 OffsetCoolingDay1TZ 1 0 0 36 0 36 0 cooling day 1 zone R W 1 PT05 Offset 31 PTO5 OffsetHeatingDay1TZ 2 0 0 36 0 36 0 heating day 1 R W
2. CHILLER AIR WATER CHILLER HP AIR PG00 23 PG00 4 Board Terminal Analog Inputs Controller Al 1 E HP1 pressure sensor HP1 pressure sensor 0 10 V Al 2 Naa LP1 pressure sensor LP1 pressure sensor 0 10 V Al 3 NTC Circ 1 Evap Leaving Temp Circ 1 Evap Leaving Temp Al 4 NTC Evap Entering Temp Evap Entering Temp Al 5 NTC Outdoor Air Temp Outdoor Air Temp Board Terminal Digital Inputs Controller DI 1 NO NC Comp1 alarm 1 Comp1 alarm 1 DI 2 NO NC Comp2 alarm 1 Comp2 alarm 1 DI 3 NO NC HP alarm 1 HP alarm 1 DI 4 NO NC LP alarm 1 LP alarm 1 DI 5 NO NC Evaporator flow switch Evaporator flow switch DI 6 NO NC Cooling Heating DI 7 NO NC Remote start stop Remote start stop Board Terminal Digital Outputs Controller DO 1 Comp1 1 Comp1 1 DO2 Comp2 1 Comp2 1 DO 3 NO NC 4 way inverter valve 1 DO 4 Liquid line 1 Evaporator Liquid line 1 Evaporator pump 2 pump 2 DO5 Heater 1 Heater 1 DO6 DO 7 Evaporator pump 1 Evaporator pump 1 DO 8 NO NC General alarm General alarm Board Terminal Analog Outputs Controller FAN FAN E E PWM AO 1 Condensor valve 1 Condensor valve 1 0 10 V AO2 0 10 V i i By selecting the above units the default values for the parameters PC11 1 and HC07 1 are automatically set Refer to Parameters List page 38 S1A76018 03 2011 29 Applications Note
3. Level 3 Installation Menu Submenu Control Code Parameter Description Default Min Max Units Menu Enabling for auto adaptive PC18 control of the compressors No 0 No 0 Yes 1 IS R zero energy band PC21 Minimum value of summer set 50 15 0 SPC1 C IS R point chiller PC22 Nagpunyalugorsimmersat 260 sper ago o ER point chiller PC23 Minimum value of winter set 30 0 23 0 SPH1 C IS R point heat pump PC24 Maximum value of winter set 44 0 SPH1 70 0 C IS R point heat pump PC31 Power limiting for summer 50 0 100 IS R PC32 Power limiting for winter 50 0 100 IS R PC35 Enabling of forced shutdown of No 0 No 0 Yes 1 IS R compressors PC36 Summer forced shutdown set 35 30 0 23 0 C IS R point PC37 Winter forced shutdown set 52 0 26 0 75 0 C IS R point Enabling of pump down 0 No PC41 0 0 2 IS R 1 Yes with timing 2 Yes with relative threshold PC42 Compressor shutdown time in 5 0 240 Sec IS R pump down PC43 felahivedbrespnoldorpumpss Jos 00 50 Bar IS R down disabling Enabling of high temperature E Peng pressure switch control chiller Note NG AO EE as Pressure set point for high PC46 temperature pressure switch 27 0 0 0 45 0 Bar IS R control Pressure differential for high PC47 temperature pressure switch 2 0 0 0 5 0 Bar IS R control External high temperature PC48 threshold for pressure switch 12 0 30 0 23 0 C IS R control PC49 ER
4. Board Terminal Digital Outputs Controller DO 1 Comp1 1 Comp1 1 DO2 Comp2 1 Comp2 1 DO 3 NO NC 4 way inverter valve 1 DO 4 Liquid line 1 Evaporator Liquid line 1 Evaporator pump 2 pump 2 DO 5 Heater 1 Heater 1 DO 6 HW Fan VSD 1 HW Fan VSD 1 DO7 Evaporator pump 1 Evaporator pump 1 DO 8 NO NC General alarm General alarm Board Terminal Analog Outputs Controller S Fan Fan AO1 0 10 V i AO 2 l l 0 10 V HW Fan Drive 1 HW Fan Drive 1 By selecting the above units the default values for the parameters PC11 1 and HC07 1 are automatically set Refer to Parameters List page 38 Note A value 0 is set to all the input output position parameters not specified in the above configuration Limitation for PWM Fan output e The controller must be powered by an alternating current supply The controller powering phase must be the same as the one that supplies the fan module e PWM output can be used only with TM168EFAN device PGO2 must be set to 0 in case no expansion I O is used CAUTION INOPERABLE EQUIPMENT Use the same power line circuit for both the controller and the single phase fan driver as described in the related documentation Failure to follow these instructions can result in equipment damage CONFIGURATION MENU MACHINE CONFIGURATION sub menu indicates e the number of compressors in PG03 maximum 2 Default value 2 e the number of pumps in PG09 maxim
5. 240 999 Sec IS S PA21 High pressure alarm threshold 28 0 0 0 45 0 Bar IS S PA22 High pressure alarm reset differential 5 0 0 1 30 0 Bar IS S PA25 Enabling of primary exchanger efficiency alarm No 0 No 0 Yes 1 IS S PA26 Minimum difference threshold for primary exchanger 2 0 0 1 20 0 IS S PA27 By pass time for primary exchanger efficiency alarm 120 999 Sec IS S PA30 Enable RTC alarm Yes 1 Yes 1 IS S PA31 It sets the type of reset of RTC alarm restoration 0 Auto Automatic 1 Manu Manual IS S PA32 Enable common alarm input Yes 1 IS S PA33 Common alarm input delay 30 Sec IS S PA34 It sets the type of reset of common alarm input restoration 0 Auto Automatic 1 Manu Manual IS S PA40 It enables the alarm connected with operating hours of compressors Yes 1 Yes 1 IS S PA41 It sets the triggering delay connected with the compressor thermal alarm 10 999 Sec IS S PA42 It sets the type of reset for the compressor thermal alarm 0 A Automatic 1 M Manual IS S PA60 It enables the alarm connected with operating hours of pumps Yes 1 IS S 50 1A76018 03 2011 Generic Start up Level 3 Installation Menu Submenu Protection
6. IS S PAO9 Reset differential for temperature alarm 0 5 0 1 10 0 IS S PA10 Temperature alarm inhibition interval from system start up 15 999 Sec IS S PA11 Low pressure alarm threshold during winter operation heat pump 3 0 0 1 9 9 Bar IS S PA12 Low pressure alarm reset differential during winter operation heat pump 1 0 0 1 4 0 Bar IS S PA13 Low pressure alarm by pass interval from start up of first compressor 120 999 Sec IS S PA14 Number of triggered low pressure alarms with auto reset before the alarm becomes manual IS S PA16 Enabling of low pressure control at start up and at low temperatures Yes 1 No 0 Yes 1 IS S PA17 Low pressure alarm threshold at start up and at low temperatures 1 0 0 1 9 9 Bar IS S 1A76018 03 2011 49 Generic Start up Level 3 Installation Menu Submenu Protection Device Code Parameter Description Default Min Max Units Menu PA18 Low pressure alarm reset differential at start up and at low temperatures 0 5 0 1 4 0 Bar IS S PA19 Control duration at triggering of low pressure alarm at low temperatures 120 10 PA13 Sec IS S PA20 Minimum duration of alarm delay for triggering of low pressure alarm at compressor start up
7. PA80 En Alarm HourFan PAB80 Enable operating hour alarm fan R W 1048 PA82_ThermalFanResetType PA82 Type of reset for fan thermal alarm R W 1049 PH14_Modbus_StopBit PH14 Modbus stop bit 0 1stop bit 1 2 stop bits R W 1050 PH04_En_bySchedule PH04 Enable on off machine by schedule R W 1051 PH05 En OnOffByKey PH05 Enable on off machine by key R W 1052 1053 PH06 En ModeByChangeOver PH07 En OnOffByDI PHO06 Enable automatic switchover summer winter operating mode PH07 Enable on off machine by DI R W R W 1054 PH08 En ModeByDI PHO08 Enable switchover summer winter operating mode by DI R W 1055 PH09 En OnOffBySuperv PH09 Enable on off machine by supervisor R W 1056 PH10 En ModeBySup PH10 Enable switchover summer winter operating mode by supervisor R W 1057 PH15 FactoryDefault PH15 Reset parameter to factory defaults R W 1A76018 03 2011 109 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 1058 PH16 LogicReverseValve PH16 Logic DO reverse valve 0 NO 1 2 NC R W 1059 PH17 Logic DI Alarm PH17 Logic DI alarm 0 NO 1 2 NC R W 1060 PH18_LogicReleAlarm PH18 Logic DO alarm 0 NO 12 NC R W 10
8. 290 0 290 0 PM88 Calibration AI03 remote R W 86 PC04_Cmp_TminOn 20 999 PC04 Compressor minimum on time R W 87 PCO5_Cmp_TminOff 120 999 PCO5 Compressor minimum off time R W 88 PC06 Cmp TonOn 360 999 PC06 Minimum time between 2 start up of same comp R W 89 PCO7 Cmp TonOther 10 999 PCO7 Minimum time between 2 start up of different comp R W 90 PC08_Cmp_ToffOther 20 999 PC08 Minimum time between 2 shutdown of different comp R W 91 PC12 ProportionalLateralBand 2 5 1 0 36 0 PC12 Proportional band lateral control R W 92 PC14_DeadZone 3 0 0 1 18 0 PC14 Neutral zone R W 93 PC15_DeadZone_Min 1 0 0 1 18 0 PC15 Minimum value of compressor zero energy band R W 94 PC16_DeadZone_Max 5 0 0 1 18 0 PC16 Maximum value of compressor zero energy band R W S1A76018 03 2011 95 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 95 PC17 DeadZoneOutsideTime 20 999 PC17 Release time compressor neutral zone control R W 96 PC21 MinValueSetChiller 5 0 15 0 73 0 PC21 Minimum value setpoint summer Chiller R W 97 PC22 MaxValueSetChiller 20 0 15 0 73 0 PC22 Maximum value setpo
9. PC70_FunctionLimitManagement PC70 Function limit management R W 524 PP01 PumpOperation PP01 Pump operation R W 525 PA03 NumberFlowAlarmaToManual PA03 Number flow alarm to became manual R W 526 PA14_NumEvHourLP PA14 Number of alarms for manual restore type R W 527 PH12_Modbus_Baud PH12 Modbus baud 0 1200 1 2400 2 4800 3 9600 4 19200 5 28800 6 38400 7 57600 R W 528 PH13 Modbus _ Parity PH13 Modbus parity 0 NONE 1 ODD 2 EVEN R W 529 PH31_RefrigerationType PH31 Refrigerant type 0 none 1 R22 2 R134a 3 R404A 4 R407C 5 R410A 6 R507 R W 530 PG00 UnitType PG00 Unit Type 1 Air to water chiller 2 Air to water chiller HP 3 Water to water chiller 4 Water to water chiller HP R W 531 PG01 NumberCircuit PG01 Number of circuits R W 124 1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 532 PGO3 NumberCompCirc PG03 Number of compressors per circuit R W 533 PG09 PumpsNumber PG09 Pumps number R W 534 HCO01 InputTypeLowPressC 1 HC01 Input type low pressure sensor C1 R W 535 HC02 InputTypeHighPressC1 HC02 Input type high pressure sensor C1 R
10. R W 85 PM88 CalibrationAl3remote 0 0 290 0 290 0 PM88 Calibration AI03 remote R W 86 PC04_Cmp_TminOn 20 0 999 PCO04 Compressor minimum on time R W 87 PC05_Cmp_TminOff 120 0 999 PCO05 Compressor minimum off time R W 88 PC06 Cmp TonOn 360 0 999 PC06 Minimum time between 2 start up of same comp R W 89 90 PCO7 Cmp TonOther PC08 Cmp ToffOther 20 0 999 999 PCO7 Minimum time between 2 start up of different comp PC08 Minimum time between 2 shutdown of different comp R W R W 91 PC12 ProportionalLateralBand 2 5 1 0 36 0 PC12 Proportional band lateral control R W 92 PC14 DeadZone 3 0 0 1 PC14 Neutral zone R W 93 PC15_DeadZone_Min PC15 Minimum value of compressor zero energy band R W 94 PC16_DeadZone_Max 5 0 0 1 PC16 Maximum value of compressor zero energy band R W 95 PC17 DeadZoneOutsideTime 20 0 999 PC17 Release time compressor neutral zone control R W 96 PC21_MinValueSetChiller 5 0 15 0 73 0 PC21 Minimum value setpoint summer Chiller R W 97 PC22_MaxValueSetChiller 20 0 15 0 73 0 PC22 Maximum value setpoint summer Chiller R W 98 PC23_MinValueSetHP 30 0 23 0 158 0 PC23 Minimum setpoint winter HP R W 99 PC24_MaxValueSetHP 44 0 23 0 158 0
11. ww TI om hung io po io LA PP02 Pump on cycle time PP03 Pump off cycle time Parameter PP07 defines the pump behavior during a defrosting cycle After modification of PP07 and PP07 it is necessary to power down the machine and then power it up again to avoid the risk of malfunctions It two pumps have been configured PG09 2 both their operating hours must be equalized Therefore for every PP08 number of operating hours shutdown is ordered for the active pump and start up of the other pump In case of thermal alarm on one of the pumps the control must activate the second pump On the other hand if both pumps are inoperable or if the only configured pump is inoperable the alarm stops the unit 5 8 1 Pump Status For each pump an operating status is associated which is visible from the associated LED or in the status template from the main menu Each pump can have the following status e Disabled The pump has not been configured the status display shows e On The status display shows ON e Off The status display shows OFF e Alarm The pump is in alarm status The status display shows ALARM In the Maintenance Operator menu through the parameters PM31 and PM32 it is possible to read the number of operating hours of the corresponding pumps To initialize these timings to 0 enter the value 0 using ENTER button 74 1A76018 03 2011 Control Functions 5 8 2 Flow Meter Management The fl
12. 134 PF22 DiffRegCond HP 2 0 0 1 217 5 PF22 Differential condensation winter HP R W 135 PF24 SetForcingMaxCond HP 3 2 0 5 290 0 PF24 Setpoint maximum condensation winter HP R W 98 S1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 PF25 Differential 136 PF25 DiffForcingMaxCond HP 0 5 0 1 72 5 MO de R W condensation winter HP PF08 Integral 137 PF26 HeatingPI 0 0 999 time for control of R W valves heating PF27 Minimum 138 PF27 MinVal InverterFan 0 00 on 10000 Value inverter for pw condensing forcing PF28 Speedup 139 PF28 SpeedUp InverterFan 4 0 999 inverter R W condenser PF31 Minimum limit regulation inverter condensation 140 PF31 LimitMinCondensationLinear 30 00 0 00 100 00 R W PF32 Maximum 100 0 0 00 100 00 limit regulation R W 0 inverter condensation 141 PF32 LimitMaxCondensationLinear PF34 Switch off differential under 142 PF34 DiffCutOff 2 0 0 0 72 5 the minimum R W condensing limit inverter PF41 Value X1 143 PF41 LinlnverterFan 25 00 0 00 100 00 fan linearization RAN table PF42 Value X2 144 PF42 LinlnverterFan 50 00 0 00 100 00 fan linearization R W table PF43 Value X3 145 PF43 LinlnverterFan 75 00 0 00 100 00 fan linearization R W table PF45 Value Y1 146 P
13. Firmware Number lt gt Firmware Version lt gt Firmware Revision lt gt To view this information use the UP and DOWN buttons To return to the application pages press ESC button 1A76018 03 2011 23 3 Applications 24 Applications The managed machines are described below with their respective input and output assignments Machine functional diagram symbols description Symbol External air temperature Air cooled condenser fan LI E ud Liquid line electric valve EH Expansion valve Esk Evaporator Water temperature sensor F Water Flow switch keieren O Jess o p Refrigerant pressure switch S1A76018 03 2011 Applications 3 1 Air Single Circuit Air to Water Chiller or Chiller HP Units UO Configuration 3 1 1 Machine Functional Diagram O cfo HEH Implementing I O configuration through controller parameters 3 1 2 I O Configuration Single circuit air to water units PG01 1 Program modifications in a controller that is in operation can have serious consequences to the operation of a machine or process Only those who understand the implications in the intended modifications and who understand the consequences of those modifications on the machine or process should attempt to use this function Programming a controller in operation can present hazards to both equipment and personnel S1A76018 03 2011 25 Applications When the ma
14. Max Units Menu It sets the maximum number of PM00 operating hours of compressors When 2000 0 400000 Hrs MA F this limit is exceeded the connected alarm is triggered PM01 PM02 It shows the number of operating PM03 hours of compressors One parameter 0 0 100000 Hrs MA F for each compressor PM04 It sets the maximum number of PM30 operating honrs or pumps Whenthis Jegen 0 100000 Hrs Mat limit is exceeded the connected alarm is triggered PM31 It shows the number of operating 0 0 100000 Hrs MA F hours of the first pump PM32 It shows the number of operating 0 0 100000 Hrs MA F hours of the second pump It sets the maximum number of PM40 operating hours of fans When this 2000 0 100000 Hrs MA F limit is exceeded the connected alarm is triggered It shows the number of operating PM41 hours of the first fan or of the inverter 0 0 100000 Hrs MA F in Circuit 1 It shows the number of operating PM42 hours of the second fan or of the 0 0 100000 Hrs MA F inverter in Circuit 2 PM90 Last maintenance date MA F S1A76018 03 2011 57 4 3 2 Maintenance Manual Sub Menu Generic Start up Level 2 Maintenance Menu Submenu Manual Code Parameter Description Default Min Max Units Menu Notes PM11 It enables the manual automatic PM12 operation of the compressor PM13 0 Auto normal operation 0 0 1 S MA M P
15. NO NC Remote start stop Remote start stop Expansion DI 1 NO NC Comp1 alarm 2 Comp1 alarm 2 DI 2 NO NC Comp2 alarm 2 Comp2 alarm 2 DI 3 NO NC HP alarm 2 HP alarm 2 DI 4 NO NC Beet 2 HW Fan VSD 2 See 2 HW Fan VSD 2 DI 5 NO NC Common alarm input Common alarm input Board Terminal Digital Outputs Controller DO 1 Comp1 1 Comp1 1 DO2 Comp 1 Comp2 1 DO 3 NO NC 4 way inverter valve 1 DO 4 Liquid line 1 Evaporator Liquid line 1 Evaporator pump 2 pump 2 DO 5 Heater 1 Heater 1 DO 6 HW Fan VSD 1 HW Fan VSD 1 DO 7 Evaporator pump 1 Evaporator pump 1 DO 8 NO NC General alarm General alarm Expansion DO 1 Comp1 2 Comp1 2 DO2 Comp2 2 Comp2 2 DO 3 NO NC 4 way inverter valve 2 DO 4 Liquid line 2 Liquid line 2 DO 5 Heater 2 Heater 2 DO 6 HW Fan VSD 2 HW Fan VSD 2 1A76018 03 2011 Applications CHILLER HP AIR CHILLER AIR WATER WATER disi di PG00 2 Board Terminal Analog Outputs Controller FAN FAN PWM Fan1 Fan1 AO 1 0 10 V AO 2 HW Fan Drive 1 HW Fan Drive 1 0 10 V Expansion FAN FAN PWM Fan2 Fan2 AO 1 0 10 V AO2 HW Fan Drive 2 HW Fan Drive 2 0 10 V By selecting the above units the default values for the parameters PC11 1 and HC07 1 are automatically set Refer to Parameters List page 38 Note A value 0 is set for all input output position parameters not specifi
16. PC24 Maximum setpoint winter HP R W 100 PC31_PowerLimitedSummer 50 0 100 PC31 Power limited summer R W 116 S1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 101 PC32 PowerLimitedWinter 50 0 100 PC32 Power limited winter R W 102 PC36_SetForceSummer 3 5 30 0 73 0 PC36 Summer force shutdown setpoint R W 103 PC37 SetForceWinter 52 0 26 0 167 0 PC37 Winter force shutdown setpoint RAN 104 PC42 CompShutDownTime 240 PC42 Compressor shutdown time in pump down R W 105 PC43_DiffPumpDown 72 5 PC43 Threshold for pump down disabling R W 106 PC46 SetpointHPTC 27 0 0 0 652 5 PC46 Pressure set point for high temperature pressure switch control R W 107 PC47 DiffHPTC 2 0 0 0 72 5 PC47 Pressure differential for high temperature pressure switch control R W 108 PC48 ThresholdAirExtHPTC 12 0 30 0 73 0 PC48 External high temperature threshold for pressure switch control R W 109 PC49 MinTimeHPTC 99 PC49 Minimum time for maintaining pressure switch partialization R W 110 PC51 SetControlPressostaticLP 3 2 0 0 145 0 PC51 Pressure setpoint for low temperature pressure switch control R W 111 PC52
17. aa 0 99 Min IS R pressure switch partialization Enabling of low temperature PC50 pressure switch control heat No 0 No 0 Yes 1 IS R pump 46 1A76018 03 2011 Generic Start up Level 3 Installation Menu Submenu Control Code Parameter Description Default Min Max Units Menu Pressure setpoint for low PC51 temperature pressure switch 3 2 0 0 10 0 Bar IS R control Pressure differential for low PC52 temperature pressure switch 2 0 0 0 10 0 Bar IS R control External low temperature PC53 threshold for pressure switch 5 0 10 0 5 0 C IS R control Outlet water high temperature PC54 threshold for pressure switch 48 0 30 0 70 0 C IS R control PC55 Delay for partialization from 900 0 999 Sec IS R low pressure alarm PC61 Summer commutation set point 20 0 PC62 70 0 C IS R PC62 Winter commutation set point 10 0 0 0 PC61 C IS R Maximum dynamic offset PC64 compared to summer set point 10 0 20 0 20 0 C IS R chiller Compensation start PC65 temperature for dynamic 30 0 15 0 PC66 C IS R summer set point Compensation stop PC66 temperature for dynamic 60 0 PC65 70 0 C IS R summer set point Maximum dynamic offset PC67 compared to winter set point 10 0 20 0 20 0 C IS R heat pump Compensation start PC68 temperature for dynamic winter 0 0 15 0 PC69 C IS R set point Compensation stop PC69 temperature for dynamic wint
18. time in cyclic PP03 Pump off time in cyclic working R W working R W 160 PP04 TMinPumpComp 60 999 PP04 Minimum time between on pump and on comp R W 161 PP05 DelayShutdownPumps 60 999 PP05 Delay shutdown pumps R W 162 PP08 DeltaHoursSwap 240 PP08 Delta hours to swap pumps R W 163 PP09 PumpOperatingTimeLowWater 999 PP09 Operating time pump low water flow R W 164 PP10 PumpOperatingTimeLowTemp 999 PP10 Pump operating time at low temperature R W 165 Pr02 SetpointHeater 5 0 30 0 50 0 Pr02 Setpoint heater R W 100 1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 166 Pr03 DiffHeater 2 0 0 1 18 0 Pr03 Differential heater R W 167 Pr11_SetpointAlarmAntifreeze 3 0 30 0 50 0 Pr11 Setpoint alarm antifreeze R W 168 Pr12_DiffAlarmAntifreeze 2 0 0 1 18 0 Pr12 Differential alarm antifreeze R W 169 PA01_FlowStartup_AlarmDelay 10 999 PA01 Delay alarm flow from start up R W 170 PA02_FlowRunning_AlarmDelay 999 PA02 Delay flow running alarm R W 171 PA04_DelayErrorProbe 10 240 PA04 Delay inoperable sensor R W 172 PA05_SetpointAlarmHighTemp 30 0 10 0
19. 03 2011 Control Functions PC14 Zero energy band PC17 Extra time for out of zone request PC23 Heat pump set point lower limit PC24 Heat pump set point upper limit 5 4 3 Auto Adaptive Control If the CHW leaving temperature remains beyond the zero energy band even after the extra interval time set in parameter PC17 has elapsed the switching on or off of a further power step is requested The setting of parameter PC18 1 activates an output temperature auto adaptive control function in which the zero energy band is calculated based on the dynamic properties of plant and load variations In particular the zero energy band can vary based on compressor timings and the number of start ups per hour In this case the value of parameter PC14 zero energy band makes sense only at unit start up It is recalculated within the minimum PC15 limit and maximum PC16 limit to adapt to an intermediate operating situation as compared with the maximum number of hourly start ups parameter PCO9 PCO09 Maximum number of hourly start ups PC14 Zero energy band PC15 Minimum limit PC16 Maximum limit PC17 Extra time for out of zone request PC18 Enable auto adaptive control Note In the case of a twin circuit system PG01 2 control is carried out on the average value of the 2 chilled water leaving temperature sensors If one sensor fails the control function is based on the other healthy sensor If both sensors fail contro
20. 104 0 PA0O5 Setpoint alarm high temperature R W 173 PAO06 SetpointAlarmLowTemp 15 0 10 0 104 0 PAO6 Setpoint alarm low temperature R W 174 PAO7 DelayTempAlarm 30 999 PAO07 Delay for temperature alarm R W 175 PAO9_DifferentialAlarmTemp 0 5 0 1 18 0 PAO9 Differential alarm high low temperature R W 176 PA10_DelayAfterUnitOn 15 999 PA10 Delay temperature alarm after unit on R W 177 PA11_SetAlarmLowPress 3 0 0 1 143 5 PA11 Setpoint alarm low pressure R W 178 PA12_DiffAlarmLowPress 1 0 0 1 58 0 PA12 Differential alarm low pressure R W 179 PA13_TimeByPassAlarmLowPress 120 999 PA13 Delay alarm low pressure R W 180 PA17_SetAlarmLPwithLT 1 0 0 1 143 5 PA17 Setpoint alarm low pressure with low temperature R W 181 PA18_DiffAlarmLowPressWithLowTemp 0 5 0 1 58 0 PA18 Differential alarm low pressure with low temperature R W S1A76018 03 2011 101 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 PA19 Time 182 PA19 TimeActiveControlL PwithLT 120 10 999 activation control paw low pressure with low temperature PA20 Delay alarm low 183 PA20 DelayAlarmLPatStartUpCmp 240 0 999 pressure at start R W up first compressor
21. 16 Installation Control Configuration Parameters 45 Installation Anti Freeze Configuration Parameters 47 Installation Compressors Configuration Parameters 42 Installation Condenser Configuration Parameters 43 Installation Defrost Configuration Parameters 48 Installation Menu 21 Installation Protection Devices Configuration Parameters 48 Installation Pump Configuration Parameters 45 Installation Various and Default Parameters 51 Introduction 12 L Lateral Band LB Control 62 List of Modbus Variables 91 Low and High Temperature Alarm Management 78 Low Start Up Pressure Alarm 80 Low Pressure Partialization at Low Temperatures Heat Pump 83 Machine Functional Diagram 25 28 30 34 Machine Status 60 Machines and Circuits Configuration Parameters 39 Maintenance Calibration Sub Menu 59 Maintenance Manual Sub Menu 58 Maintenance Operation Sub Menu 57 Maintenance Menu 20 Maintenance Menus 57 1A76018 03 2011 Management of High Pressure Pressure Switch Alarm 78 Management of High Pressure Transducer Alarm 79 Management of Low Pressure Pressure Switch Alarm Chiller Mode 79 Management of Low Pressure Transducer Alarm Heat Pump Mode 79 Management of Primary Exchanger Efficiency Alarm 78 Manual and Automatic Alarms 87 Manual Operation 85 Manual Reset Alarms 87 Menu Navigation Principles 19 Menus 17 Menus Overview 17 Miscellaneous Manage
22. A value 0 is set for all input output position parameters not specified in the above configuration PGO2 must be set to 0 in case no expansion I O is used CONFIGURATION MENU MACHINE CONFIGURATION sub menu indicates e the number of compressors in PG03 maximum 2 Default value 2 e the number of pumps in PG09 maximum 2 Default value 1 Also see the Generic Start up page 38 3 3 Air to Water Twin Circuit Chiller Units Heat Pump 3 3 1 Machine Functional Diagram o O Tr Ad d mE HS 5 i i i o ll VY no HP 3 3 2 I O Configuration Using TM168D23 and TM168E17 30 Implementing I O configuration through controller parameters Twin circuit air to water units PGO1 2 Program modifications in a controller that is in operation can have serious consequences to the operation of a machine or process Only those who understand the implications in the intended modifications and who understand the consequences of those modifications on the machine or process should attempt to use this function Programming a controller in operation can present hazards to both equipment and personnel S1A76018 03 2011 Applications When the machine type is changed by modifying parameter PGOO or PG01 it is necessary to remove power from the controller and then reapply power to the controller This enables the unit to reconfigure itself correctly CAUTION LOSS OF CONFIGURATION e Thoroughly identify and
23. Compensaton emm emen 77 5 10 Anti Freeze Management Chilling Support Heating Coils Se ee KR 9 RENE Y RR K RAR KN NAN Te R RER NAA OAK ege 77 5 11 Single Evaporation RSXKRE ZK RN NR RSE R NER ER NX HERE SR RH YR RSER R R NR EY RN HR RER RVR ZK RN YR XZE ESRRRUEERSRRERES VRERRESRRERROEERRESUFEERAES 77 5 12 Temperature Alarm Control Oe O AR ERCCCCEET ER LECCE ECCT ERC ES AA AA 78 5 12 1 Low and High Temperature Alarm Management 78 1A76018 03 2011 5 12 2 Management of Primary Exchanger Efficiency Alarm 78 5 13 Pressure Alarm Control TTT 78 5 13 1 Management of High Pressure Pressure Switch Alarm esse 78 5 13 2 Management of High Pressure Transducer Alarm sss 79 5 13 3 Management of Low Pressure Pressure Switch Alarm Chiller Mode 79 5 13 4 Management of Low Pressure Transducer Alarm Heat Pump Mode 79 5 13 5 Low Start up Pressure Alarm eene 80 5 14 Time Schedule ven EREREREKER ER EE RE ER ER ER ER RR RR RR SR RR RE RRR RR RR RRR ERR EE ER ER EE KREE ERR EE EE EE ER ER EE KREE EE ER KREE EE EE EE E EE RE EE EE ERR EE ER ERR 80 5 15 Miscellaneous Management enk KREE ERR EE ER KREE RR RR RR RR EE ER EE ER ER ER EE ER EE ER ER ER EE EK RER ERR EE EE EE ER ER ERR EEE RER RR RE ER ER KREE E 81 5 15 1 Set Point Variation by Schedule Timer sss eme 81 e Dt ER TTT EE EN 5 15 3 Forced Shutdown egent een tf e eem d teo ab e t tree 82 5 15 4 High Pr
24. High Speed Low Speed Due to the continuous control of fans a proportional or proportional integral control of condensation is performed through an inverter output A03 0 10 V type or a phase cut module pulsed output A01 Fan speed control provides for a minimum speed value to manage start ups in such a way as to avoid operating fan motors at an excessively low rpm rate In addition it is possible to set a Speed up time PF28 at start up during which the fan reaches maximum speed The possibility is provided for of maintaining the fans at minimum speed a value even below the set point If the pressure decreases further below the set point of a given threshold fan is forced to switch off There is a high speed value beyond which velocity remains constant If maximum forcing is enabled and if pressure exceeds the given threshold fan speed is forced to 10096 The following figure illustrates the behavior of continuous control in the case of summer operation chiller In this particular control the proportional band is completely shifted above the set point Note Both outputs A01 and A03 contain the same control signal Output A01 has a PWM output type and can be used with the single phase cutting module TM168EFAN The output A03 has a O 10V output type and can be used with Schneider Electric ATV drive SP S SP diff SPF Pressure Mode Operating mode 0 Summer PF11 Summer condensation control set point SP
25. It is possible to perform compensation of the dynamic set point on outdoor air temperature through the parameter Dynamic set point enable PH27 In this case the control set point takes a value between the standard set point equivalent to External temperature initial threshold and the set point plus a Dynamic offset equivalent to External temperature final threshold both for chiller and heat pump operation Movement is linear between the two compensation points and the curve takes on a different meaning according to the offset sign S1A76018 03 2011 81 Control Functions With offsets of less than O value the set point behavior is as follows Set Point SP PC64 P Outdoor T PC65 PC66 The following are the parameters referred to this function e PC64 Maximum dynamic offset for summer operation chiller e PC65 Compensation start temperature for dynamic summer set point e PC66 Compensation stop temperature for dynamic summer set point With offsets greater than zero behavior is as follows Set Point SP PC67 SP Outdoor T PC68 PC69 The parameters referred to this function are the following e PC67 Maximum dynamic offset for winter operation heat pump e PC68 Compensation start temperature for dynamic winter set point e PC69 Compensation stop temperature for dynamic winter set point 5 15 3 Forced Shutdown 82 This function enables the forced shutdown of all compressors when CHW leaving
26. OffsetCoolingDay2TZ 2 0 0 36 0 36 0 cooling day 2 zone R W PT20 Offset 49 PT20 OffsetHeatingDay2TZ 2 0 0 36 0 36 0 heating day 2 zone R W 50 SPC1_SetpointSummer 8 5 15 0 73 0 Sree Seon RW summer Chiller 51 SPH1 Setpointlnverno 440 23 0 158 0 SPAT Dot R W winter HP PMOO 52 PM00 Limit HourCmp Low 2000 o 100000 Modos au R W compressors 53 PMOO Limit HourCmp High 54 PM01_OperatingHoursComp1 Low 0 0 100000 RA HEHE R W ours comp 1 55 PM01 OperatingHoursComp1 High 2 S E 56 PMO2 OperatingHoursComp2 Low 0 0 100000 d e DEAE R W hours comp 2 57 PM02 OperatingHoursComp2 High z 58 PM03 OperatingHoursComp3 Low 0 0 100000 MOS Cpergung R W hours comp 3 59 PM03 OperatingHoursComp3 High x 2 60 PM04 OperatingHoursComp4 Low 0 0 100000 PMOS operating R W hours comp 4 114 S1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Name Value Min Max Description Mode Base 1 61 PM04 OperatingHoursComp4 High c S S PM30 62 PM30 Limit HourPump Low 2000 0 100000 Maintenance R W interval pumps 63 PM30 Limit HourPump High 3 64 PM31 OperatingHoursPump1 Low 0 0 100000 PM31 Operating R W hours comp 1 65 PM31 OperatingHoursPump1 High 66 PM32 OperatingHoursPump2 Low 0 0 100000 Me Operating R W hours comp 2 67 PM32 Opera
27. Operating hours fan Circuit 2 Auto Display only ES01 Condensing high pressure transducer C1 Auto Settable fan forcing inoperable or not connected ES02 Condensing low pressure transducer C1 Auto Inhibits functions inoperable or not connected using it Leaving chilled water temperature sensor 1 Settable number of ES03 Auto inoperable or not connected on compressors Entering chilled water temperature sensor Settable number of ES04 Auto inoperable or not connected on compressors nG Settable delay ES05 Outdoor sensor inoperable or not connected Auto GE Ee ES06 Condensing high pressure transducer C2 Auto Settable fan forcing inoperable or not connected ES07 Condensing low pressure transducer C2 Auto Inhibits functions inoperable or not connected using it Leaving chilled water temperature sensor 2 Settable number of ES08 Auto inoperable or not connected on compressors ERTC RTC Alarm broken or discharged am tablets management of RTC EN01 Expansion communication alarm Auto Display only Settable delay Note 7 If this is the only pump it switches off all compressors and fans Otherwise it switches on the other pump S A 7 Notification only or auto reset alarm that can be set through a parameter S1A76018 03 2011 89 Diagnostics AM Auto or manual reset alarm that can be set through the parameter or by the number of events hour 6 5 Alarm Relay The program offers the possibility of managing a cumul
28. PA21 Setpoint 184 PA21 SetHPal 28 0 0 0 652 5 high pressure R W alarm PA22 Differential 185 PA22 DiffHPal 5 0 0 1 435 0 for reset high R W pressure alarm PA26 Minimum difference 186 PA26 MinDiffPrimaryExchanger 2 0 0 1 36 0 threshold for R W primary exchanger PA27 By pass timer for primary 187 PA27 ByPassAllPrimaryExchanger 120 0 999 R W exchanger efficiency alarm PA33 Delay 188 PA33 CommonAlarminput Delay 30 0 999 common alarm RAN input DAAT Delay of 189 PA41 ThermalCmp Delay 10 0 999 compressor R W thermal alarm 190 PA81 ThermalFan Delay 10 0 999 Dose Belay oi HS fan thermal alarm 191 PA99 DelayExpAlarm 5 0 999 PASS Delay Tor BAY expansion alarm 192 PH11 Modbus Address 1 1 247 PETE Modbus Wen address 193 PN01 BACnetMSTP MaclD 1 1 127 a O RN PN03 BACnetMSTP Devicelnstance a iar 194 Low 108 1 4194303 BACnetMSTP R W Devicelnstance PN03 BACnetMSTP Devicelnstance 195 High PNO4 196 PNO4 BACnetMSTP InfoFrames 3 1 127 BACnetMSTP R W InfoFrames 102 1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 PNO5 197 PN05 BACnetMSTP MaxMaster 127 1 127 BACnetMSTP R W MaxMaster 198 PH01 Pressure Min 00 laso l6525 VERSI Minimum Wen pressure 199 PH02 Pressure Max 3
29. PF12 Summer condensation control differential PF13 Maximum speed forcing enable PF14 Summer maximum speed forcing set point SPF S1A76018 03 2011 69 70 Speed Max speed High speed Low speed Control Functions PF15 Summer maximum speed forcing differential Y PF16 Integral time PI regulator PF27 7 Inverter forcing minimum value PF28 Speed up time PF31 Fan low speed limit PF32 Fan high speed limit PF33 Fan control enable below set point PF34 Fan switching off differential below set point X The following figure illustrates the behavior of continuous control in the case of winter operation heat pump In this particular control the proportional band is completely shifted below the set point SPF SP diff S SP Pressure Mode Operating mode 1 Winter PF21 Winter condensation control set point SP PF22 Winter condensation control differential PF13 Maximum speed forcing enable PF24 Winter maximum speed forcing set point SPF PF25 Winter maximum speed forcing differential Y PF26 Integral time PI regulator PF27 7 Inverter forcing minimum value PF28 Speed up time PF31 Fan low speed limit PF32 Fan high speed limit PF33 Fan control enable above set point PF34 Fan switching off differential above set point X 1A76018 03 2011 Control Functions Note With parameters PF41 PF42 PF43 PF45 PF46 and PF47 it is possible to linearize the analog ou
30. PHO4 Rei iC E Ul Ro ioo DUO lt ole lt v eo lt PROTECTION 2 2 PA25 PA26 PA2T N 0 v o v PH21 NO PH22 NO v zo Oo E VARIOUS 2 2 PH20 N DEFAULT Load default EVKEY Store 9 EVKEY Restore o AA CONFIGURATION MENU CONFIGURATION Ent HARDWARE Ent 1 PG01 1 PG02 NO v CONFIGURATION HC01 4 20mA HCO02 4 20mA HC03 4 20mA v lt TIME ZONE PTO01 PT02 00 00 00 PT03 00 00 00 Show ALARMS coe MEME Show HISTORY Ent ER ka E 1A76018 03 2011 17 Description 2 3 3 2 Detail Description of the Menus The general menu is divided into 4 sub menus 1 User menu 2 Maintenance menu 3 Installation menu 4 Configuration menu 2 3 3 3 General Menu The main display page varies according to the machine status on or off If the machine is switched off Unit OFF is displayed along with the cause for shutdown dedicated key lack of consensus from digital input supervisor scheduler and so on H1 FF EY KETBORRD o Switch UN ESL or MENOS Ent If the machine is switched on the inlet or the outlet temperature value is displayed based on the setting type parameter PC1 1 In twin circuit units the average value of the two chilled water leaving temperatures is displayed If the sensor is inoperable or disconnected is
31. R W pressure switch partialization PC51 Pressure setpoint for low 110 PC51 SetControlPressostaticLP 3 2 0 0 145 0 temperature R W pressure switch control PC52 Differential pressure for 111 PC52 DiffControlPressostaticL T 2 0 0 0 145 0 pressostatic R W control at low temperature PC53 Setpoint 112 PC53 SetMinAirExt 5 0 10 0 410 Low externa R W temperature for pressure control PC54 Setpoint low external 113 PC54 SetMaxTempOut 48 0 30 0 158 0 temperature for R W pressostatic control PC55 Delay for partialization from R W low pressure alarm 114 PC55 DelayPartialization 900 0 999 PC61 Setpoint 115 PC61 SetCommutationSummer 20 0 0 0 158 0 commutation RAN summer PC62 Setpoint 116 PC62 SetCommutationWinter 10 0 0 0 158 0 commutation R W winter PC64 Offset 117 PC64_offsetDynamicSetSummer 10 0 36 0 36 0 dynamic setpoint R W summer Chiller PC65 Start temperature l R W dynamic setpoint summer Chiller 118 PC65 StartTempDynamicSPSummer 30 0 27 0 126 0 PC66 End temperature dynamic setpoint summer Chiller 119 PC66 EndTempDynamicSPSummer 60 0 27 0 126 0 R W PC67 Offset 120 PC67 offsetDynamicSetWinter 10 0 36 0 36 0 dynamic setpoint R W winter HP 1A76018 03 2011 97 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 121 PC68 Sta
32. Terminal Digital Inputs Controller DI 1 NO NC Comp1 alarm 1 Comp1 alarm 1 DI 2 NO NC Comp2 alarm 1 Comp2 alarm 1 DI 3 NO NC HP alarm 1 HP alarm 1 DI 4 NO NC LP alarm 1 LP alarm 1 DI 5 NO NC Evaporator flow switch Evaporator flow switch DI 6 NO NC Cooling Heating DI 7 NO NC Remote start stop Remote start stop Expansion DI 1 NO NC Comp1 alarm 2 Comp1 alarm 2 DI 2 NO NC Comp2 alarm 2 Comp2 alarm 2 DI 3 NO NC HP alarm 2 HP alarm 2 DI 4 NO NC LP alarm 2 LP alarm 2 DI 5 NO NC Common alarm input Common alarm input S1A76018 03 2011 35 36 Applications A CHILLER AIR WATER CHILLER HP AIR PGO00 1 PG00 2 Board Terminal Digital Outputs Controller DO 1 Comp1 1 Comp1 1 DO 2 Comp2 1 Comp2 1 DO 3 NO NC 4 way inverter valve 1 DO 4 Liquid line 1 Evaporator Liquid line 1 Evaporator pump 2 pump 2 DO 5 Heater 1 Heater 1 DO 6 DO 7 Evaporator pump 1 Evaporator pump 1 DO 8 NO NC General alarm General alarm Expansion DO 1 Comp1 2 Comp1 2 DO2 Comp2 2 Comp2 2 DO 3 NO NC 4 way inverter valve 2 DO 4 Liquid line 2 Liquid line 2 DO 5 Heater 2 Heater 2 DO 6 Board Terminal Analog Outputs Controller FAN FAN PWM AO 1 0 10 V Condensor valve 1 Condensor valve 1 AO2 0 10 V i i Expansion FAN FAN l PWM AO 1 0 10 V Condensor valve 2 Condensor valv
33. W 1006 PT11 enabWorkingDay2Zone1 PT11 Enable zone 1 of working day 2 R W 1007 PT16_enabWorkingDay2Zone2 PT16 Enable zone 2 of working day 2 R W 1008 MOdE_OperatingMode 0 Cool Chiller 1 Heat PdC R W 1009 PM11a14 EnabManual Comp 0 PM11 Enable manual operation of the compressor R W 1010 PM11a14 EnabManual Comp 1 PM11 Enable manual operation of the compressor R W 1011 PM11a14 EnabManual Comp 2 PM11 Enable manual operation of the compressor R W 1012 PM11a14_EnabManual_Comp 3 PM11 Enable manual operation of the compressor R W 1013 PM21a24 forceManualComp 0 PM21 Manual operation compressor R W 1014 PM21a24 forceManualComp 1 PM21 Manual operation compressor R W 1015 PM21a24 forceManualComp 2 PM21 Manual operation compressor R W 1016 PM21a24 forceManualComp 3 PM21 Manual operation R W 106 1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 compressor PM51 Enable the manual automatic 1017 PM51 EnabManual FanC1 0 0 1 operation of the R W condensing fan in circuit 1 PM52 Enable the manual automatic 1018 PM52 EnabManual FanC2 0 0 1 operation of the R W condensing fan in circuit 2 PM63 Manual 1019 PM63 ForzaturalnvF
34. accessibility of various menus Each level is assigned a password which enables access to the various functions featured in that menu Once you enter the correct password protected functions become accessible Entering a correct password has two consequences 1 unlocking the related level 2 unlocking its sublevels Passwords of all the lower levels can be modified from the same level or from a higher level For example from the constructor level it is possible to modify all the passwords of lower levels by using the appropriate page The range of values that can be set for a password is 999 9999 While entering a password if you do not press any button within 4 minutes the password expires and you need to reset it S1A76018 03 2011 19 Description 2 3 3 6 User Menu The USER MENU is a level 1 menu Enter the user level or higher password to display modify the parameters contained in this branch Mode Set onl Set Heat 2 3 3 7 Maintenance Menu The MAINTENANCE MENU is a level 2 menu Enter the maintenance operator level or higher password to display modify the parameters contained in this branch This menu displays the status of the various devices inputs and outputs utilized by the application MANLIAL lt Ent gt LHLIBEHTIOM Ente 1 Sub menus OPERATION sub menu allows you to view enable the features related to the operation of compressors fans and pumps Examples for these features are
35. and AL32 for Circuit 2 is generated The alarm causes immediate stopping of the refrigerating circuit also shutting down any compressors which may be on and inhibiting the start up of others This alarm is only detected when the machine is on This is a manual reset alarm and it can be reset if the pressure has fallen below the maximum threshold of a given differential value e PA21 High pressure alarm set point e PA22 High pressure alarm differential 5 13 3 Management of Low Pressure Pressure Switch Alarm Chiller Mode You can monitor the presence of a minimum intake pressure in the refrigerating circuit with the help of a digital input connected to an external pressure switch The low pressure alarm AL41 and AL42 for Circuit 2 immediately stops the refrigerating circuit and also shuts down any compressors which may be on and inhibits the start up of other compressors At the start up of the first compressor the alarm is delayed for a given interval to enable the compressors to take the refrigerating circuit to full pressure The alarm is initially auto resetting unless it exceeds a given number of events within one hour PA14 in which case it becomes a manual reset alarm e PA13 Low pressure alarm by pass time e PA14 Maximum number of auto reset low pressure alarms If a low pressure is detected when the machined is switched on and the request for chill from the controller is present the compressor start up is i
36. below The listing order is the same as the one in which alarms are listed when active Code Alarm description Type Consequence Notes Notification only or Heat pump only ALO1 Input low temperature S A compressors and pump off Settable delay l Notification only or Chiller only ALO2 Input high temperature S A compressors and pump off Settable delay ALOS Primary exchanger efficiency Circuit 1 Manu Keeps al oirgun compressors off n Settable delay AL13 Primary exchanger efficiency Circuit 2 Manu EE compressors off Compressors off SEENEN ALO5 Evaporator flow meter AM In manual stop Pump on for T sec l pump off AL11 High pressure pressure switch Circuit 1 Manu E compressors off AL12 High pressure pressure switch Circuit 2 Manu PCIE compressors off All circuit AL21 Low pressure pressure switch Circuit 1 A M compressors and fans off Settable start up delay and All circuit rpm AL22 Low pressure pressure switch Circuit 2 A M compressors and fans off AL31 Transducer high pressure Circuit 1 Manu EE compressors off AL32 Transducer high pressure Circuit 2 Manu EE compressors off TE All circuit AL41 Transducer low pressure Circuit 1 AM compressors off Settable start up delay and ee All circuit rpm AL42 Transducer low pressure Circuit 2 A M compressors off AL51 Failed start up for low pressure Circuit 1 Auto Keeps al
37. below the threshold of the Defrosting start set point Pd01 and at least one compressor is in operation the inverter valve is commutated and the defrosting cycle is started During this phase compressors are forced to maximum power and the low pressure alarm is bypassed S1A76018 03 2011 75 Control Functions Defrosting is interrupted for one of the following causes e when pressure reaches the End of defrosting set point Pd02 e when the Defrosting duration maximum time Pd05 has elapsed e when machine or circuit alarms are triggered e when the unit is switched off At the end of the defrosting cycle the unit remains stationary for the whole duration of Dripping time Pd06 Pressure Pd02 Pd01 Pd04 Inverter valve Pd03 O pm CJ Pd06 In order to avoid the immediate start of a defrosting cycle after all compressors have been stopped a Minimum circuit restart delay Pd07 is used This provides at least a period of heat pump operation before entering the defrosting cycle Note In the case of twin circuit units defrosting cannot be simultaneous Thus if one circuit is defrosting the other circuit cannot start a defrosting cycle until the defrosting circuit has completely finished its cycle 1A76018 03 2011 Control Functions 5 9 1 Defrosting Cycle Compensation With the decreasing outdoor air temperature the water vapor content in the air which causes the formation of frost on the evaporation battery t
38. common alarm input R W S1A76018 03 2011 127 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 1042 PA34 ResetType CommonAlarmlnp ut PA34 Common alarm input reset type R W 1043 PA40 En Alarm HourCmp PA40 Enable alarm of operating hours of compressors R W 1044 PA42_ThermalCmp_ResetType PA42 Type of reset for compressors thermal alarm R W 1045 PA60_En_Alarm_HourPump PA60 Enable alarm operating hours pumps R W 1046 1047 PA71_RestoreTypeHighPressAl PA80_En_Alarm_HourFan PA71 Type of reset for High pressure alarm PA80 Enable operating hour alarm fan R W R W 1048 PA82 ThermalFanResetType PA82 Type of reset for fan thermal alarm R W 1049 PH14_Modbus_StopBit PH14 Modbus stop bit 0 1 stop bit 1 7 2 stop bits R W 1050 PH04_En_bySchedule PH04 Enable on off machine by schedule R W 1051 PHOS En OnOffByKey PH05 Enable on off machine by key R W 1052 PH06 En ModeByChangeOver PHO06 Enable automatic switchover summer winter operating mode R W 1053 PH07 En OnOffByDI PH07 Enable on off machine by DI R W 1054 PH08 En ModeByDI PHO08 Enable switchover summer winter operating mode by DI R W 1055 PH09 En OnOffBySuperv PH09
39. consider the potential failure modes of control paths and for certain critical control functions provide a means to achieve a safe state during and after a path failure Examples of critical control functions are emergency stop and overtravel stop power outage and restart Separate or redundant control paths must be provided for critical control functions System control paths may include communication links Consideration must be given to the implications of unanticipated transmission delays or failures of the link Observe all accident prevention regulations and local safety guidelines Each implementation of this equipment must be individually and thoroughly tested for proper operation before being placed into service Failure to follow these instructions can result in death serious injury or equipment damage 1 For additional information refer to NEMA ICS 1 1 latest edition Safety Guidelines for the Application Installation and Maintenance of Solid State Control and to NEMA ICS 7 1 latest edition Safety Standards for Construction and Guide for Selection Installation and Operation of Adjustable Speed Drive Systems or their equivalent governing your particular location WARNING UNINTENDED EQUIPMENT OPERATION e Only use software approved by Schneider Electric for use with this equipment e Update your application program every time you change the physical hardware configuration Failure to follow these in
40. of IFPE26 0 PF26 9 0 0 999 Sec IS F integral action valves heat pump not present Minimum value for PF27 condenser forcing 0 0 0 0 100 0 Yo IS F inverter PF28 Speed up time at fan start 4 0 999 Sec IS F up inverter PF31 Lower limit for condensing 30 0 0 PF32 IS F l linear control inverter PF32 Upper limit for condensing 400 0 PF31 100 0 IS F linear control inverter Enabling of control under Yes PF33 the minimum condensing Yes 1 No 0 1 IS F limit inverter Switch off differential under PF34 the minimum condensing 2 0 0 0 5 0 Bar IS F limit inverter PF41 EH 25 0 0 0 PF42 IS F l linearization table PF42 Value x2 of fan 50 0 PF41 PF43 IS F linearization table PF43 Malle x9 optan 75 0 PF42 100 0 foe lla linearization table PF45 Value y 1 orfan 25 0 00 PF46 SE linearization table PF46 Value ya Or fan 50 0 PF45 PF47 S E linearization table PF47 Salue yo orfan 75 0 PF46 100 0 IS F l linearization table 44 S1A76018 03 2011 4 2 1 5 Installation Pump Configuration Parameters Generic Start up Level 3 Installation Menu Submenu Pumps Code Parameter Description Default Min Max Units Menu Pump operation 0 Continuous operation PP01 0 0 2 IS P 1 Operation at thermostat s request 2 Cyclical operation PP02 on time in cyclical ope
41. schedule with 2 programs per day e control condensing pressure linear or stepped evaporation e use 1 2 or no circulating pumps 12 1A76018 03 2011 Description 2 Description 2 1 Controller Hardware For the controller hardware description refer to M168 Hardware Guide 2 2 Parameter Key The Parameter Key TM168APARAKEY allows you to transfer your controller configuration parameters rapidly to several machines e Copy parameters and data from the controller to the Parameter Key upload e copy parameters from Parameter Key to the controller download Note The download of parameters from the key to the controller is allowed only if data in the controller and the key match The controller needs to be connected to a power supply to use the Parameter Key Note e The copying of parameters from the key to the controller download is allowed only if data in the controller and the key match e Aremote display is required for controllers that do not have a built in display to use the parameter key e You can perform upload download operations using the standard upload download page present on the main controller e Information of upload download completed is available in the controller page S1A76018 03 2011 13 Description 2 3 User Interfaces 2 types of user interface are available 1 built in graphic LCD display 120 x 32 pixels 2 optional remote graphic display e graphic LCD display 128 x 64 pixels or e
42. shifts the alarm control threshold to a higher value for a given interval from start up of the first compressor leaving in place all protection devices and pre start checks e PA16 Low pressure control enable at low outdoor air temperature e PA17 Low pressure alarm set point at low outdoor air temperature e PA18 Low pressure alarm differential at low outdoor air temperature e PA19 Low pressure alarm control duration at low outdoor air temperature This control can only be enabled in heat pump operating mode 5 13 5 Low Start up Pressure Alarm In a low pressure condition pressure switch or transducer induced and in the impossibility to activate any of the compressors at the request of the same there is a Low pressure start up alarm AL51 and AL52 for Circuit 2 This is an auto reset alarm and thus disappears unless there is a leak of Freon gas from the circuit At compressor shutdown following a low pressure alarm this alarm is delayed by a given interval PA20 to give the refrigerating circuit the chance to enable compressor start up 5 14 Time Schedule 80 The real time clock allows you to define a weekly schedule for the unit You can define 2 different daily schedules Each daily schedule can have two zones with separate heating and cooling offset values Each day of the week can be assigned to daily schedule 1 daily schedule 2 or can be identified as non working day Following are the parameters referred to
43. the hours of operation enabling of the corresponding alarm and threshold of maximum allowable hours MANUAL sub menu allows you to set the compressors and fans to manual automatic operation whose outputs can be forced in order to test their functionality CALIBRATION sub menu allows you to set the corrections to be applied to analog inputs to compensate the offsets due to cabling and sensor positioning UO STATUS sub menu allows you to view the controller physical inputs and outputs 20 S1A76018 03 2011 Description 2 3 3 8 Installation Menu The INSTALLATION MENU is a level 3 menu Enter the installation level or higher password in order to display modify the parameters contained in this branch The Installation operator menu contains all the parameters concerned with the configuration of functionalities alarms settings logic rotation type and so on 8 COMTROL Ent LONMDENSOR Ente wv Sub menus CONTROL sub menu allows you to set the parameters related to the lateral band and zero energy band temperature control of compressors COMPRESSOR sub menu allows you to set the parameters related to the management of devices such as e rotation e timings e maximum number of start ups CONDENSOR sub menu allows you to set the parameters related to the control of condensation pressure through the fans DEFROSTING sub menu allows you to set the parameters related to the activation and the duration of heat pump defr
44. the average value of the two evaporate leaving temperature sensors You can select the distribution of chilling steps through the parameter PCO2 for controlling the 2 compressor circuits a b PCO2 0 the two circuits are balanced PC02 1 saturates the steps of one circuit before requesting the other 39 40 Generic Start up 3 If no compressor is running the two evaporate temperature sensors will decide which compressor circuit must be started first If mode Cool chiller the circuit with the highest evaporate leaving C temperature starts first If mode Heat heat pump the circuit with the lowest evaporate leaving temperature starts first 4 Evaporating single or separated PG12 If evaporating single PG12 1 the management heating and alarm of anti frost are single The temperature control is based on the maximum temperature of the evaporator leaving and enter temperature values Level 4 Configuration Menu Submenu Configuration Parameters Code Parameter Description Default Min Max Menu It sets the unit type 1 Air to water chiller PG00 2 Air to water chiller heat pump 1 1 4 CO W 3 Water to water chiller 4 Water to water chiller heat pump PG01 Number of circuits 2 1 2 CO W PG02 seen presence of the IO Yes 1 e Yes 1 CO W PG03 a an number of compressors per 2 4 2 CO W PG04 Enable Real Time Clock RTC 1 0 1 CO W PG09 It sets the numb
45. this function s PTO1 working day 1 enable zone 1 e PT02 working day 1 zone 1 start time e PT03 working day 1 zone 1 stop time e PTO04 working day 1 zone 1 cooling offset e PT05 working day 1 zone 1 heating offset s PTOG working day 1 enable zone 2 s PTO7 working day 1 zone 2 start time e PTO8 working day 1 zone 2 stop time e PTO09 working day 1 zone 2 cooling offset e PT10 working day 1 zone 2 heating offset e PT11 working day 2 enable zone 1 e PT12 working day 2 zone 1 start time e PT13 working day 2 zone 1 stop time e PT14 working day 2 zone 1 cooling offset e PT15 working day 2 zone 1 heating offset 1A76018 03 2011 Control Functions e PT16 working day 2 enable zone 2 e PT17 7 working day 2 zone 2 start time e PT18 7 working day 2 zone 2 stop time e PT19 working day 2 zone 2 cooling offset e PT20 7 working day 2 zone 2 heating offset e PT21 Monday schedule e PT22 Tuesday schedule e PT23 Wednesday schedule e PT24 Thursday schedule e PT25 Friday schedule e PT26 Saturday schedule e PT27 Sunday schedule s PH04 Enable start up shutdown of the machine by the schedule 5 15 Miscellaneous Management 5 15 1 Set Point Variation by Schedule Timer You can adjust the set point by the schedule timer through parameter PH28 set relative parameters of the scheduler The actual control set point depends on the working day and relative offset 5 15 2 Dynamic Set Point
46. touch screen graphic LCD display 240 x 140 pixels Note The behavior of buttons and icons used in the built in graphic LCD display and the remote graphic display is the same 2 3 1 Buttons All the interfaces feature 6 buttons for navigation page editing and differ in their display mode by certain associated status through icons Schneider LJ Schneider mm ZER 14 S1A76018 03 2011 Description Label Button Function Description picture LEFT and display the pages of the same level in succession lt RIGHT N UP and Editing mode parameters modification DOWN Other modes cursor displacement EN Pa ENTER Editing mode parameters confirmation 3 Other modes editing mode is enabled The parameter value blinks indicating that you can change the value using UP and DOWN buttons Press ENTER button again to confirm the new values Press ESC button to cancel the modifications If held down for 2 seconds the ENTER button enables access to the main menu If held down during display of an alarm page this button enables resetting the alarm If alarm pages are displayed press the ENTER button to scroll all alarms 1 alarm displayed at the time STAND BY Editing mode value cancellation Other modes requests any default page that might be associated with the current page If held down for 2 seconds the ESC button enables on off switching of the controller If pressed in the main page this button
47. zone 1 32 PTO7 StartDay1TZ 2 Low 0 0 d sog ITE PHE Naay day 1 zone 2 92 S1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 33 PTO7 StartDay1TZ 2 High 34 PTO8 EndDay1TZ 2 Low 0 0 8639o PTO End ume mag day 1 zone 2 35 PTO8 EndDay1TZ 2 High p S E PT09 Offset 36 PT09 OffsetCoolingDay1TZ 2 0 0 36 0 36 0 cooling day 1 zone R W 2 PT10 Offset 37 PT10 OffsetHeatingDay1TZ 2 0 0 36 0 36 0 heating day 1 R W zone 2 38 PT12 StartDay2TZ 1 Low 0 0 86399 P T12 Start time pay day 2 zone 1 39 PT12 StartDay2TZ 1 High lt a 40 PT13 EndDay2TZ 1 Low 0 0 86399 PT13 End time R W day 2 zone 1 41 PT13_EndDay2TZ_1 High S i S PT14 Offset 42 PT14 OffsetCoolingDay2TZ 1 0 0 36 0 36 0 cooling day 2 zone R W 1 PT15 Offset 43 PT15 OffsetHeatingDay2TZ 1 0 0 36 0 36 0 heating day 2 R W a Ei I Te 44 PT17_StartDay2TZ_2 Low 0 0 86399 PT17 Start time Rw day2zone 2 45 PT17 StartDay2TZ 2 High l lt z 46 PT18 EndDay2TZ 2 Low 0 0 86399 PT18 Endtime pw day 2 zone 2 47 PT18 EndDay2TZ 2 High S S PT19 Offset 48 PT19 OffsetCoolingDay2TZ 2 0 0 36 0 36 0 cooling day 2 zone R W PT20 Offset 49 PT20 OffsetHeatingDay2TZ 2 0 0 36 0 36 0 heating day 2 R W zone 2 50 SPC1 SetpointSummer 85 150 73 0 SPC1 Se
48. 00 laso Jess PH02 Maximum pay pressure 200 PSd1 Password User 0 999 9999 EH RAW E password 201 PSd2_Password_Maintenance 0 999 9999 Ede Mali R W E Password 202 PSd3 Password Installation 0 999 9999 Poda Jostaler IRAN password PSd4 203 PSd4_Password_Configuration 0 999 9999 Constructor RAN password 500 UlunitStatus 0 0 8 Unit status RAN 501 Ul defrost C1 or C2 0 0 2 EENS R W circuit 502 UL defrost 0 0 2 E RAW machine 503 StatusCompressors 0 0 0 6 nil R W compressor 504 StatusCompressors 1 0 0 6 Status R W compressor 505 StatusCompressors 2 0 0 6 Sne R W compressor 506 StatusCompressors 3 0 0 6 vidus R W compressor 507 UlstatusFan_C1 0 0 6 Status fan C1 R W 508 UlstatusFan C2 0 0 6 Status fan C2 R W 509 Pump1 Status 0 0 3 Status pump 1 R W 510 Pump2 status 0 0 3 Status pump 2 R W PT21 Daily 511 PT21 typeDay Monday 1 0 2 program Monday R W PT22 Daily 512 PT22 typeDay Tuesday 1 0 2 program Tuesday R W PT23 Daily 513 PT23 typeDay Wednesday 1 0 2 program R W Wednesday PT24 Daily 514 PT24 typeDay Thursday 1 0 2 program R W Thursday PT25 Daily 515 PT25 typeDay Friday 1 0 2 program Friday R W S1A76018 03 2011 103 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 516 PT26 typeDay Saturday PT26 Daily program Saturday R W 517 PT27_typeDay_Sunday PT27 Daily program Sunday R W 518 PC
49. 01_Cmp_Rotation_Type PCO1 Compressor rotation 0 FIFO 1 LIFO 2 FIFO Hr 3 LIFO Hr R W 519 PC02 CompressorsMode PCO2 Compressors 0 balancing 1 saturation mode twin circuit R W 520 PCO9_MaxNumEvHour 12 PC09 Maximum number of start ups for every hour R W 521 PC10 CompressorlnErrorProbe PC10 Number of compressors on for circuit during sensor inoperable R W 522 523 PC41_EnabPumpDown PC70_FunctionLimitManagement PC41 Enable pump down PC70 Function limit management R W R W 524 PP01 PumpOperation PP01 Pump Operation R W 525 PAO3 NumberFlowAlarmaToManual PAO3 Number flow alarm to became manual R W 526 PA14 NumEvHourLP PA14 Number of alarms for manual restore type R W 527 PH12_Modbus_Baud PH12 Modbus baud 0 1200 1 2400 2 4800 3 9600 4 19200 5 28800 6 38400 7 57600 R W 104 S1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 PH13 Modbus parity 528 PH13 Modbus Parity 0 0 2 0 NONE R W 1 ODD 2 EVEN PNO2 BACnetMSTP BaudRate 529 PN02 BACnetMSTP BaudRate 0 0 3 0 9600 RAN 1 19200 2 38400 3 76800 PH31 Refrigerant type 0 none 1 R22 530 PH31 RefrigerationType 3 0 6 2
50. 1 unique R W condensing PG12 Enable 1077 PG12 enabSingleEvap 0 0 1 single evaporation R W HCO5 Function of DO4 1078 HCO5 DigitalOutput4 0 0 1 0 liquid line 1 R W 1 pump 2 HC07 Enable LP 1079 HCO07 LPorFanAlarm C2 0 0 1 or fan alarm RAN switch Note Double word Modbus registers are listed as 2 registers Ranges are specified for the complete double word register only 1A76018 03 2011 111 List of Modbus Variables 7 2 Modbus registers for TM168D23CHIL101 without BMS REGISTER VARS Addr Base 1 Name Value Min Max Description Mode CLOCK RTC Low 21474836 47 Real Time Clock R W CLOCK RTC High Packed DI 65535 bit00 DIO1 bit01 DIO2 bit02 DI03 bit03 DI04 bit04 DIOS bit05 DIOG bit06 DIO7 bit07 DI08 bit08 DIOS bit09 DI10 bit10 DI11 bit11 DI12 R W Packed_DO 65535 bit00 DO01 bit01 DO02 bit02 DO03 bit03 DO04 bit04 DOOS bit05 DO06 bit06 DOOT bit07 DOOS8 bit08 DOOY bit09 DO10 bit10 DO11 bit11 DO12 bit12 DO13 bit13 DO14 R W Al1_PressureHP_C1 0 0 3276 8 3276 7 High pressure condenser circuit 1 R O AI2 PressureLP C1 0 0 3276 8 3276 7 Low pressure condenser circuit 1 R O AI3 TempLeaving 0 0 3276 8 3276 7 Evaporator leaving temperature R O Al4_TempEntering 0 0 32
51. 134 PF21_SetRegCond_HP PF22 DiffRegCond HP 9 0 2 0 0 5 0 1 217 5 217 5 PF21 Setpoint condensation winter PF22 Differential condensation winter HP R W HP R W 135 PF24_SetForcingMaxCond_HP 3 2 0 5 290 0 PF24 Setpoint maximum condensation winter HP R W 136 PF25 DiffForcingMaxCond HP 0 5 0 1 72 5 PF25 Differential maximum condensation winter HP R W 137 PF26_HeatingPI 999 PF08 Integral time for control of valves heating R W 138 PF27 MinVal InverterFan 0 00 0 00 100 00 PF27 Minimum value inverter for condensing forcing R W 139 PF28_SpeedUp_lnverterFan 999 PF28 Speed up inverter condenser R W 140 PF31_LimitMinCondensationLinear 30 00 0 00 100 00 PF31 Minimum Limit regulation inverter condensation R W 141 PF32_LimitMaxCondensationLinear 100 00 0 00 100 00 PF32 Maximum limit regulation inverter condensation R W 142 PF34 DiffCutOff 2 0 0 0 72 5 PF34 Switch off differential under the minimum condensing limit inverter R W 1A76018 03 2011 119 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 143 PF41 LinlnverterFan 25 00 0 00 100 00 PF41 Value X1 fan linearization table R W 144 PF42_L
52. 61 PH19 Logic DI Mode PH19 Logic DI mode 0 NO 1 2 NC R W 1062 PH20 Logic DI Flow PH20 Logic DI flow 0 NO 1 2 NC R W 1063 PH21_EnabSensorEnteringWater PH21 Enable entering water temperature sensor R W 1064 PH22_EnabLeavingTemperatureProbe PH22 Enable leaving temperature sensor R W 1065 PH23 EnabLeavingTemperatureProbeC2 PH22 Enable leaving temperature sensor circuit 2 R W 1066 PH24_EnabOutdoorProbe PH24 Enable outdoor temperature sensor R W 1067 PH27_EnabDynamicSetPoint PH27 Enable dynamic setpoint R W 1068 PH28_EnabsecSetbySched PH28 Enable secondary setpoint by scheduler R W 1069 PH30_HistoryReset PH30 Reset alarm log R W 1070 PH32 Temp UM PH32 Temperature unit 0 C 1 F R W 110 1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 PH33 Pressure unit 1071 PH33 Press UM 0 0 1 0 Bar R W 1 7 psi PH53 Mode icon 1072 PH53 Icon Cool Heat 0 0 1 cool heat R W PH61 Logic DI remote on off 1 0 NO R W 1 NC 1073 PH61 Logic DI Remote OnOff 0 0 1074 PG02 En Expansion 1 0 1 PG02 Enable RW expansion PG04 Enable 1075 PG04 En RTC 1 0 1 real time clock R W RTC PG11 Enable 1076 PG11 EnabUniqueCondensing 0 0
53. 76 8 3276 7 Evaporator entering temperature R O Al5 OutDoorProbe 0 0 3276 8 3276 7 Outdoor air temperature R O Al remotePressureHP C2 0 0 3276 8 3276 7 High Pressure condenser circuit 2 R O AI2 RemoteLP C2 0 0 3276 8 3276 7 Low Pressure condenser circuit 2 R O Al3remote TempLeavingC2 0 0 3276 8 3276 7 Evaporator leaving temperature circuit 2 R O AO1 0 00 0 00 100 00 Analog out 1 R O 112 1A76018 03 2011 List of Modbus Variables REGISTER VARS Addi Name Value Min Max Description Mode Base 1 14 AO2 0 00 0 00 100 00 Analog out 2 R O 15 AO3 0 00 0 00 100 00 Analog out 3 R O 16 AO4 0 00 0 00 100 00 Analog out 4 R O 17 AO5 0 00 0 00 100 00 Analog out 5 R O 18 AO6 0 00 0 00 100 00 Analog out 6 R O 19 PackedAlarm1 0 0 65535 Alarm 1 16 RAN 20 PackedAlarm2 0 0 65535 Alarm 17 32 R W 21 PackedAlarm3 0 0 65535 Alarm 33 48 R W 22 SetpointSummer Actual 8 5 15 0 23 0 metal Setpoint RIW summer 23 SetpointWinter_Actual 44 0 23 0 70 0 Acl setpoint R W winter 24 PowerRequested 0 0 100 e pama R W 25 PowerSupplied 0 0 100 Supplied power Yo R W 26 PT02 StartDay1TZ 1 Low 0 0 86399 F TOS Sakim ley day 1 zone 1 27 PT02 StartDay1TZ 1 High 2 i o 3 28 PT03_EndDay1TZ_1 Low 0 0 86399 PTUS EDO Ue IR day 1 zon
54. C Programming Language EIO0000000536 00 SoHVAC Software User Manual EIO0000000537 00 SoHVAC Standard library User Guide EIO0000000538 00 SoHVAC Application Program library User Guide EIO0000000539 00 Network Connectivity Modules for M168 controllers S1A42781 00 You can download these technical publications and other technical information from our website at www schneider electric com Product Related Information The application of this product requires expertise in the design and programming of control systems Only the user or integrator can be aware of all the conditions and factors present during installation and setup operation and maintenance of the application and can therefore determine the automation and associated equipment and the related safeties and interlocks which can be effectively and properly used When selecting automation and control equipment and any other related equipment or software for a particular application the user or integrator must also consider any applicable local regional or national standards and or regulations WARNING REGULATORY INCOMPATIBILITY Be sure that all equipment applied and systems designed comply with all applicable local regional and national regulations and standards Failure to follow these instructions can result in death serious injury or equipment damage 1A76018 03 2011 9 About the Book WARNING LOSS OF CONTROL e The designer of any control scheme must
55. Device Code Parameter Description Default Min Max Units Menu It sets the type of reset of high pressure alarm restoration ES 0 Auto Automatic M mao Magi j ee 1 Manu Manual It enables the alarm connected PA80 with operating hours of Yes 1 No 0 Yes 1 IS S condensing fans It sets the triggering delay PA81 connected with the condensing 10 0 999 Sec IS S fan thermal alarm It sets the type of reset for the condensing fan thermal alarm FABA 0 A Automatic M A49 MAT Ie 1 M Manual PA99 Notification delay interval for 5 0 999 Sec IS S expansion alarm 4 2 1 10 Installation Various and Default Parameters Level 3 Installation Menu Submenu Various Parameters Code Parameter Description Default Min Max Units Menu Notes PHO1 It sets the minimum full scale 0 0 10 0 PHO2 Bar IS V value for the condensing sensor PHO2 It sets the maximum full scale 30 0 Gun 45 0 Bar IS V value for the condensing sensor It enables the start up shutdown Pues of the machine by the schedule No 0 No 0 Yes 1 GA It enables the start up shutdown PH05 of the machine by pressing the Yes 1 No 0 Yes 1 IS V ESC Stand By button It enables the change of PH06 summer winter operating mode No 0 No 0 Yes 1 IS V automatic change over It enables the start up shutdown PPO of the machine f
56. DiffControlPressostaticL T 2 0 0 0 145 0 PC52 Differential pressure for pressostatic control at low temperature R W 112 PC53_SetMinAirExt 5 0 10 0 41 0 PC53 Setpoint low external temperature for pressure control R W 113 PC54_SetMaxTempOut 48 0 30 0 158 0 PC54 Setpoint low external temperature for pressostatic control R W S1A76018 03 2011 117 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 114 PC55 DelayPartialization 900 999 PC55 Delay for partialization from low pressure alarm R W 115 PC61 SetCommutationSummer 20 0 0 0 158 0 PC61 Setpoint commutation summer R W 116 PC62 SetCommutationWinter 0 0 158 0 PC62 Setpoint commutation winter R W 117 PC64_offsetDynamicSetSummer 10 0 36 0 36 0 PC64 Offset dynamic setpoint summer Chiller R W 118 PC65 StartTempDynamicSPSummer 30 0 27 0 126 0 PC65 Start temperature dynamic setpoint summer Chiller R W 119 PC66 EndTempDynamicSPSummer 60 0 27 0 126 0 PC66 End temperature dynamic setpoint summer Chiller R W 120 PC67 offsetDynamicSetWinter 36 0 36 0 PC67 Offset dynamic setpoint winter HP R W 121 PC68 StartTempDynamicSP Winter 0 0 27 0 126 0 PC68 s
57. Enable on off machine by supervisor R W 128 S1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 1056 PH10 En ModeBySup PH10 Enable switchover summer winter operating mode by supervisor R W 1057 PH15_FactoryDefault PH15 Reset parameter to factory defaults R W 1058 PH16_LogicReverseValve PH16 Logic DO reverse valve 0 NO 1 2 NC R W 1059 PH17 Logic DI Alarm PH17 Logic DI alarm 0 NO 17 NC R W 1060 PH18_LogicReleAlarm PH18 Logic DO alarm 0 NO 1 7 NC R W 1061 PH19 Logic DI Mode PH19 Logic DI mode 0 NO 1 2 NC R W 1062 PH20 Logic DI Flow PH20 Logic DI flow 0 NO 1 2 NC R W 1063 PH21_EnabSensorEnteringWater PH21 Enable entering water temperature sensor R W 1064 PH22_EnabLeavingTemperatureProb e PH22 Enable leaving temperature sensor R W 1065 PH23_EnabLeavingTemperatureProb eC2 PH22 Enable leaving temperature sensor circuit 2 R W 1066 PH24_EnabOutdoorProbe PH24 Enable outdoor temperature sensor R W 1067 PH27_EnabDynamicSetPoint PH27 Enable dynamic Setpoint R W 1068 PH28_EnabsecSetbySched PH28 Enable secondary setpoint by scheduler R W 1069 PH30_HistoryReset PH30 Res
58. F45 LinlnverterFan 25 00 0 00 100 00 fan linearization R W table PF46 Value Y2 147 PF46 LinlnverterFan 50 00 0 00 100 00 fan linearization R W table PF47 Value Y3 148 PF47 LinlnverterFan 75 00 0 00 100 00 fan linearization R W table Pd01 Setpoint 149 Pd01 SetStartDefrost 6 0 0 0 652 5 start defrost R W Pd02 Setpoint 150 Pd02 SetStopDefrost 12 0 0 0 652 5 stop defrost R W 1A76018 03 2011 99 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 151 Pd03 WaitTimeStartDefrost 1200 60 9600 Pd03 Waiting interval at defrost start R W 152 Pd05 MaxTimeDefrost 300 10 600 Pd05 Maximum duration of defrost R W 153 Pd06 DrippingTime 120 600 Pd06 Dripping time R W 154 Pd07 MinTimeWaitAfterCmp 60 600 Pd07 Minimum time to wait after compressor restart R W 155 Pd21 SetStartCompensation 5 0 30 0 70 0 Pd21 Setpoint for defrosting compensation start R W 156 Pd22 SetStopCompensation 0 0 30 0 70 0 Pd22 Setpoint for defrosting compensation stop R W 157 Pd23 MaxTimeCompensation 3600 9600 Pd23 Maximum waiting time at defrosting compensation stop R W 158 159 PP02 TOnCyclic PP03 TOffCyclic 120 120 1 999 999 PP02 Pump on
59. M14 1 Manu manual operation One for each compressor During manual operation it PM21 forces the start up shutdown of PM22 the compressor 0 switches the PM23 compressor off 0 0 1 MA M PM24 1 switches the compressor on One for each compressor It enables the manual automatic operation of the condensing fan PM51 in Circuit 1 0 0 1 MA M 0 Auto normal operation 1 Manu manual operation It enables the manual automatic operation of the condensing fan PM52 in Circuit 2 0 0 1 E MAM 0 Auto normal operation 1 Manu manual operation During manual operation it With PF01 1 PM61 forces the value of the 0 0 100 Yo MAM Modulating condensing fan in Circuit 1 Control During manual operation it With PF01 1 PM62 forces the value of the 0 0 100 MAM Modulating condensing fan in Circuit 2 Control During manual operation it With PF01 0 PM63 forces the value of the l 0 0 1 MA M Single stage condensing fan in Circuit 1 Control During manual operation it With PF01 0 PM64 forces the value of the 0 0 1 MA M Single stage condensing fan in Circuit 2 Control 58 1A76018 03 2011 4 3 3 Maintenance Calibration Sub Menu Generic Start up Level 2 Maintenance Menu Submenu Calibration Code Parameter Description Default Min Max Units Menu PM81 Calibration of condensing high 0 0 20 0 20 0 C MA CA pressure sensor in Circu
60. M1x must be reset to Auto Automatic value Otherwise the compressor continues to operate manually thus failing to comply with any start stop requests calculated by the configured control S1A76018 03 2011 85 Control Functions 5 16 2 Fans The manual or automatic operation of the two condensing fans is guaranteed by the parameters PM51 Circuit 1 and PM52 Circuit 2 e f set to Auto it defines the normal behavior of the device e f set to Manu it disables the fan switching it to manual operation A manually operated fan does not take part in controls A fan is forced to switch on off based on parameters PM63 and PM64 and modulated based on parameters PM61 and PM62 As previously mentioned however the fan remains sensitive to any alarm and related consequences To bring the fan back to normal operation the parameter PM51 PM52 must be re set to A Automatic value Otherwise the fan continues to operate manually thus failing to comply with any start stop requests calculated by the configured control 5 17 Resetting Default Parameters 86 Using the Parameter resetting procedure all the system parameters can be reset to their default values After entering the InSt gt MAP menu which is accessible only when the machine is switched off set the parameter PH15 1 and wait for the value O to reappear on the display The system automatically resets all the parameters back to their default value After this ope
61. MA Operating R W hours fan 1 71 PM41_OperatingHoursFan1 High 2 72 PM42_OperatingHoursFan2 Low 0 0 100000 PMZ Operating R W hours fan 2 73 PM42 OperatingHoursFan2 High C 74 PM90 Last maintenance Low 0 0 2147483 PM90 Last R W 647 maintenance 75 PM90 Last maintenance High Z PM61 Manual 76 PM61 ForzaturalnvFan C1 0 00 0 00 100 00 mequency R W condensing fan circuit 1 PM62 Manual 77 PM62 ForzaturalnvFan C2 0 00 0 00 400 00 mequency R W condensing fan circuit 2 94 1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 78 PM81 CalbrationPressureProbeHP C1 0 0 36 0 36 0 PMe81 Calibration HP pressure R W 79 PM82 CalbrationPressureProbeLP C1 0 0 36 0 36 0 PM82 Calibration LP Sensor C1 R W 80 PM83 CalibrationAl03 0 0 290 0 290 0 PM83 Calibration Al03 R W 81 PM84 CalibrationAl04 0 0 36 0 36 0 PM84 Calibration Al04 R W 82 PM85 calibrationAl05 0 0 36 0 36 0 PM85 Calibration Al05 R W 83 PM86 CalbrationPressureProbeHP C2 0 0 36 0 36 0 PMB6 Calibration HP pressure C2 R W 84 PM87 CalbrationPressureProbeLP C2 0 0 290 0 290 0 PM87 Calibration LP sensor C2 R W 85 PM88_CalibrationAl3remote 0 0
62. MinDiffPrimaryExchanger 2 0 0 1 36 0 PA26 Minimum difference threshold for primary exchanger R W 187 PA27_ByPassAllPrimaryExchanger 120 999 PA27 By pass timer for primary exchanger efficiency alarm R W 188 PA33 CommonAlarminput Delay 30 999 PA33 Delay common alarm input R W 189 PA41_ThermalCmp_Delay 999 PA41 Delay of compressors thermal alarm R W 190 PA81_ThermalFan_Delay 999 PA81 Delay of fan thermal alarm R W 191 PA99_DelayExpAlarm 999 PA99 Delay for expansion alarm R W 192 PH11_Modbus_Address 247 PH11 Modbus address R W 193 PH01 Pressure Min 0 0 145 0 652 5 PHO01 Minimum pressure R W 194 PH02 Pressure Max 30 0 145 0 652 5 PH02 Maximum pressure R W 195 PSd1 Password User 999 9999 R W 196 PSd2 Password Maintenance 999 9999 R W 197 PSd3 Password Installation 999 9999 R W 122 1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Name Value Min Max Description Mode Base 1 198 PSd4_Password_Configuration 0 999 9999 R W 500 UlunitStatus 0 0 8 Unit status RAN 501 UI defrost C1 or C2 0 0 2 plats dores R W circuit 502 Ul defrost 0 0 2 EES RAW B machine 503 S
63. Pd07 interval after compressor 60 0 600 Sec IS D re start Pd20 Enabling of defrosting ve um vom Yes 1 IS D cycle compensation Outdoor air temperature Pd21 set point for defrosting 5 0 Pd22 70 0 IS D compensation start Outdoor air temperature Pd22 set point for defrosting 0 0 30 0 Pd21 IS D compensation stop Pd23 Nakimumwalingimeryal Leen pagas aeoo IS D at defrosting stop 48 Generic Start up 1A76018 03 2011 4 2 1 9 Installation Protection Devices Configuration Parameters Generic Start up Level 3 Installation Menu Submenu Protection Device Code Parameter Description Default Min Max M U Menu PAO01 Flow alarm delay from machine start up 10 999 Sec IS S PA02 Flow alarm by pass time during normal operation 999 Sec IS S PAO03 Number of triggered flow alarms with auto reset before the alarm becomes manual IS S PA04 Delay interval for notification of sensor inoperable 10 240 Sec IS S PAOS High temperature alarm threshold during summer operation chiller 30 0 10 0 40 0 IS S PANG Low temperature alarm threshold during winter operation heat pump 15 0 10 0 40 0 IS S PAO7 Triggering delay for temperature alarm 30 999 Sec IS S PA08 Consequent time for a temperature alarm 0 Notification only 1 Machine stop Sec
64. R134a R W 3 R404A 4 R407C 5 R410A 6 R507 PG00 Unit Type 1 Air to water chiller 2 Air to water 531 PG00 UnitType 1 1 4 chiller HP R W 3 Water to water chiller 4 Water to water chiller HP 532 PG01 NumberCircuit 2 1 2 POOT Numberor cg circuits PG03 Number of 533 PGO3 NumberCompCirc 2 1 2 compressors per R W circuit PG09 Pumps 534 PG09 PumpsNumber 1 0 2 number R W HC01 Input type 535 HCO01 InputTypeLowPressC 1 1 1 3 low pressure R W sensor C1 HCO02 Input type 536 HC02 InputTypeHighPressC1 1 1 3 high pressure R W sensor C1 HC03 Input type 537 HC03 InputTypeLowPressC2 1 1 3 low pressure RAN sensor C2 HC04 Input type 538 HC04 InputTypeHighPressC2 1 1 3 high pressure R W sensor C2 1A76018 03 2011 105 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 539 HC06 AnalogOut HCO6 It sets the position of the analog output for condenser R W 1000 OnOffBySuperv On off machine by supervisor R W 1001 FuncModeBySuperv Operating mode by supervisor R W 1002 Ul_scheduler Active time zone R W 1003 UI Mode Operation mode R W 1004 PT01_enabWorkingDay1Zone1 PT01 Enable zone 1 of working day 1 R W 1005 PT06 enabWorkingDay 1Zone2 PT06 Enable zone 2 of working day 1 R
65. S1A76018 02 Single and Twin Circuit Scroll Compressors Chiller Parametric Controllers User Manual 03 2011 Schneider www schneider electric com Electric The information provided in this documentation contains general descriptions and or technical characteristics of the performance of the products contained herein This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications It is the duty of any such user or integrator to perform the appropriate and complete risk analysis evaluation and testing of the products with respect to the relevant specific application or use thereof Neither Schneider Electric nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein If you have any suggestions for improvements or amendments or have found errors in this publication please notify us No part of this document may be reproduced in any form or by any means electronic or mechanical including photocopying without express written permission of Schneider Electric All pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to help ensure compliance with documented system data only the manufacturer should perform repairs to components When devices are used for applications with technical safety
66. W 536 HC03 InputTypeLowPressC2 HC03 Input type low pressure sensor C2 R W 537 HC04 InputTypeHighPressC2 HC04 Input type high pressure sensor C2 R W 538 HC06 AnalogOut HCO6 It sets the position of the analog output for condenser R W 1000 OnOffBySuperv On off machine by supervisor R W 1001 FuncModeBySuperv Operating mode by supervisor R W 1002 Ul_scheduler Active time zone R W 1003 UI Mode Operation mode R W 1004 PT01_enabWorkingDay1Zone1 PT01 Enable zone 1 of working day 1 R W 1005 PT06_enabWorkingDay1Zone2 PT06 Enable zone 2 of working day 1 R W 1006 PT11_enabWorkingDay2Zone1 PT11 Enable zone 1 of working day 2 R W 1007 PT16_enabWorkingDay2Zone2 PT16 Enable zone 2 of working day 2 R W 1008 MOdE_OperatingMode 0 Cool Chiller 1 Heat PdC R W 1009 PM11a14 EnabManual Comp 0 PM171 Enable manual operation of the compressor R W 1010 PM11a14 EnabManual Comp 1 PM171 Enable manual operation of the compressor R W 1011 PM11a14 EnabManual Comp 2 PM11 Enable manual operation of the compressor R W 1A76018 03 2011 125 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 1012 PM11a14 EnabManual Comp 3 PM11 En
67. able manual operation of the compressor R W 1013 PM21a24 forceManualComp 0 PM21 Manual operation compressor R W 1014 PM21a24 forceManualComp 1 PM21 Manual operation compressor R W 1015 PM21a24 forceManualComp 2 PM21 Manual operation compressor R W 1016 PM21a24 forceManualComp 3 PM21 Manual operation compressor R W 1017 PM51 EnabManual FanC1 PM51 Enable the manual automatic operation of the condensing fan in circuit 1 R W 1018 PM52 EnabManual FanC2 PM52 Enable the manual automatic operation of the condensing fan in circuit 2 R W 1019 PM63 ForzaturalnvFan C1 PM63 Manual operation condensing fan circuit 1 R W 1020 PM64 ForzaturalnvFan C2 PM64 Manual operation condensing fan circuit 2 R W 1021 PC11 TypeRegulation PC11 Type of control R W 1022 PC18_DeadZoneAdaptive PC18 Enable adaptive control neutral zone control R W 1023 PC35_EnabForceShutDown PC35 Enable compressors force shutdown R W 1024 PC45 EnabHPTC PC45 Enable high temperature pressure switch control R W 1025 PC50 EnabPressControlLT PC50 Enable low temperature pressure switch control heat pump R W 126 S1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max D
68. achine type is changed by modifying parameter PGOO or PG01 it is necessary to remove power from the controller and then reapply power to the controller This enables the unit to reconfigure itself correctly S1A76018 03 2011 41 Generic Start up CAUTION LOSS OF CONFIGURATION e Thoroughly identify and understand all implications and consequences of program modifications before attempting them with a controller in a live application Remove power from the controller for at least 3 seconds after modifying machine configuration parameters Failure to follow these instructions can result in equipment damage 4 2 1 3 Installation Compressors Configuration Parameters Level 3 Installation Menu Submenu Compressor Code Parameter Description Default Min Max Units Menu Notes PC01 Rotation type used for compressor management 0 FIFO 1 LIFO 2 FIFO hours 3 LIFO hours 0 0 3 IS C PC02 PC04 Enabling mode of compressors in the two circuits Only 0 Circuit balancing 1 1 ic pnr ovn circuits 1 Circuit saturation Minimum time for which the compressor must remain on even if 20 0 999 Sec IS C a shutdown has been requested PCO05 Minimum time for which the compressor must remain off even if 120 0 999 Sec IS C a start up has been requested PCO6 Minimum time which must elapse between two start ups of the same 360 0 999 Sec IS C compr
69. an C1 0 0 1 operation R W condensing fan circuit 1 PM64 Manual operation condensing fan circuit 2 1020 PM64 ForzaturalnvFan C2 0 0 1 R W PC11 Type of 1021 PC11 TypeRegulation 0 0 1 control R W PC18 Enable adaptive control neutral zone control 1022 PC18_DeadZoneAdaptive 0 0 1 R W PC35 Enable 1023 PC35 EnabForceShutDown 0 0 1 force shutdown of R W the compressor PC45 Enable high temperatu re R W pressure switch control 1024 PC45 EnabHPTC 0 0 1 PC50 Enable low temperature 1025 PC50 EnabPressControlLT 0 0 1 pressure switch R W control heat pump 1026 PF01 CondenserControlType 0 0 1 FT Ss Condenser i gy control type PF02 Enable fan control only if at least one compressor is on 1027 PF02 EnFanWithCmp 0 0 1 R W PF03 Stop fan during defrost RAN 1028 PF03_StopFan_Defrost 0 0 1 PF09 Fan operation in case of condensing sensor alarm 1029 PF09 ForcelnErrorProbe 0 0 1 R W 1A76018 03 2011 107 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 1030 PF13 EnabForceMax PF13 Enable force maximum condensation R W 1031 PF33 EnabCutOff PF33 Enable fan control under minimum condensing limit R W 1032 Pd20 EnabDefrostCompensation Pd20 Enable defrost compensation R W 1033 PP07 ShotdownPumplnD
70. and EB Control Er REGE e OR EGRE haa 62 5 4 2 Zero Energy Band ZEB Control 64 5 4 3 Auto Adaptive Gontrol itr rete xk rand ERR RR E REER ER D RR UPERE RIEN 65 5 5 Compressor Management e NER ERES 65 5 5 1 Compressor talus c uet M quie este bsec uicem tus 65 5 5 2 Rotation of Compressors eed GA eee e a eu e ee de e ta Poe ee d dee oes 66 5 5 3 Pump Down Switch Off Procedure aa 67 5 5 4 Relative Threshold Pump DOWn enne nnne nnns 67 5 5 5 Protection TIMNAS x d NA ee pe e NANA EH Der See Ted 68 5 5 6 Thermal Protection Inputs A 68 5 6 Condenser Control VERRRRRRRGRERRRVERRSFERTRERSRRREERRCERRRRRCRREEETEEKERRERRSREERARCRRERRERERRRRRRRRRRRRRRVERRRRKR EERREERKREREEKERRERS 68 5 6 1 Modulating Fan Control 3 iri nga TA nter RE Hebr x dee etis Heated 69 5 6 2 Single Stage Fan Control 71 5 6 3 Condenser Valve Control PA 72 5 6 4 single ee E n ioi b fere fio abi aero dap tao aU ed eg 72 5 7 Fan Management NENG ENG NAN NAKA RR BAGA ANAN AGANG KRAN NG ANG AA AA AA TT TTLET LT 72 5 7 1 ITR Letto e E NANA oo Ree Me te 72 5 7 2 Fan Umingan AA Meu AA a a at 73 5 7 3 Thermal Protection Inputs 1 12 00 000000000000000 san NAA 73 5 8 Circulating Pump Management Schnee nr KN SEN NN KANIN AND NG ERC DANDAN NN DIN AN Ne R AG NANANA ANNER EC AEN NN N ECK WANNA NN WINDANG 73 5 8 1 PUMP Status inn an citum aa NGA Dan AA apa EL bes EA T 74 5 8 2 Flow Meter Management 75 5 9 Defrosting Management AP 75 5 9 1 Defrosting Cycle
71. ated documents are described in this document They cannot be substituted without significantly compromising or completely invalidating the architecture descriptions instructions wiring diagrams and compatibility between the various software and hardware components specified herein and in related documentation You must be aware of the consequences of component substitutions and additions A residual risk as defined by EN ISO 12100 1 Article 5 will remain if e itis necessary to modify the recommended circuit and if the added or modified components are not properly integrated in the control circuit e the user does not follow the required standards applicable to the operation of the machine or if the adjustments to and the maintenance of the machine are not properly made it is essential to strictly follow the prescribed machine maintenance schedule e the devices connected to the safety outputs do not have mechanically linked contacts EQUIPMENT INCOMPATIBILITY Read and thoroughly understand all device and software documentation before attempting any component substitutions or other changes related to the application examples provided in this document Failure to follow these instructions can result in injury or equipment Validity Note This document is valid for SoHVAC V1 0 8 1A76018 03 2011 About the Book Related Documents M168 Hardware Guide EIO0000000533 00 Introduction Manual for the
72. ative alarm relay Through the parameter Alarm DO logic PH18 it is possible to establish the polarity NO or NC of the alarm output 6 6 Alarms History 90 The controller memorizes the ALARM HISTORY in a suitable non volatile memory zone organized like the FIFO queue This Alarm History can rather be a list of the last alarms verified In order to view the alarm history choose Show HISTORY from the GENERAL menu or from the main page by pressing ESC in order to view the following page show ALARMS show HISTORY En You may press ENTER on Show HISTORY gt gt Each element of the history is associated with the following information e progressive number for the alarm e mnemonic code of the alarm ALO1 ALO3 e date and hour in which alarm is verified The code for each alarm is the same as presented in the alarm table The storage capacity of the history is 100 events Using the parameter PH30 Cancel Alarm History it is possible to eliminate all the elements memorized in the history Set the parameter to YES 1 and wait a couple of seconds till the re reading of the default value NO 0 Note In case the memory capacity has reached its full limit 100 events recorded and you wish to memorize record another event the first event initially stored in memory is overwritten with the new event The same rule applies for other elements Note The history is enabled only if the parameter PG04 1 or if the sys
73. button 5 5 2 Rotation of Compressors 66 Rotation of compressors is a procedure which enables balancing as far as possible of the number of operating hours and start ups of each compressor In case of twin circuits rotation must balance the operation hours of both circuits Rotation does not affect a compressor in alarm status or manual operation mode It is capable of dynamically switching on other compressors in case one or more of them need to be in alarm status The program is capable of managing 4 types of rotation with the help of parameter PCO01 FIFO LIFO FIFO number of hours LIFO number of hours 1 FIFO This method follows the First In First Out logic The first compressor to be switched on is the first to be switched off again This operating logic can initially lead to a great difference in the number of operating hours between the various compressors but after the initial phase the timing may equalize more or less This type of rotation is different in situations where all the configured compressors within the plant are not switched on For example if the first compressor is switched on and then switched off the next compressor to be switched on is the second one The information about which compressor needs to be switched off is stored in the memory and the next compressor in the sequence is then switched on This method avoids using the same compressor again thus exploiting all the configured elements in a be
74. chine type is changed by modifying parameter PGOO or PG01 it is necessary to remove power from the controller and then reapply power to the controller This enables the unit to reconfigure itself correctly CAUTION LOSS OF CONFIGURATION 26 e Thoroughly identify and understand all implications and consequences of program modifications before attempting them with a controller in a live application Remove power from the controller for at least 3 seconds after modifying machine configuration parameters Failure to follow these instructions can result in equipment damage CHILLER AIR WATER CHILLER HP AIR PG00 1 PG00 2 Board Terminal Analog Inputs Controller Al 1 a HP1 pressure sensor HP1 pressure sensor 0 10 V Al 2 Sci de LP1 pressure sensor LP1 pressure sensor 0 10 V Al 3 NTC Circ 1 Evap Leaving Temp Circ 1 Evap Leaving Temp Al 4 NTC Evap Entering Temp Evap Entering Temp Al 5 NTC Outdoor Air Temp Outdoor Air Temp Board Terminal Digital Inputs Controller DI 1 NO NC Comp1 alarm 1 Comp1 alarm 1 DI 2 NO NC Comp2 alarm 1 Comp2 alarm 1 DI 3 NO NC HP alarm 1 HP alarm 1 DI 4 NO NC m 1 HW Fan VSD 1 a 1 HW Fan VSD 1 DI 5 NO NC Evaporator flow switch Evaporator flow switch DI 6 NO NC Cooling Heating DI 7 NO NC Remote start stop Remote start stop 1A76018 03 2011 Applications
75. ct reveals itself to be open the machine switches itself off from digital input which is indicated by OFF D 3 Using a supervisory protocol this function is enabled through the parameter PHO9 e Switching on Activated through the protocol If all other enabled functions are present the machine switches itself on e Switching off If the on status is disabled through the protocol the machine switches itself off by supervisory protocol which is indicated by OFF S 4 Using a schedule this function is enabled through the parameter PH04 e Switching on If the date and time of the RTC indicates an on status if all other enabled functions are present the machine switches itself on e Switching off If the date and time of the RTC indicates an off status the machine switches itself off Note The off status from digital input supervisory protocol and schedule are only accessible if the machine is enabled by button press The ESC button acts as the machine on off button 60 1A76018 03 2011 Control Functions 5 2 Operating Mode Control The operating mode can take the following values MODE parameter Operating mode Description 0 Cool Chiller Summer operation 1 Heat Heat pump Winter operation Heat pump operation is possible only if the machine has been configured as chiller heat pump parameter PGOO 2 4 If the machine has only been configured as chiller param
76. ctured on the basis of the following logic 1 OR RTC menu 2 UT User menu 38 S1A76018 03 2011 Generic Start up MA Maintenance menu MA F Maintenance menu operating branch MA M Maintenance menu manual branch MA CA Maintenance menu calibration branch MA IO Maintenance menu input output branch Installation menu IS R Installation menu control branch IS C Installation menu compressor branch IS F Installation menu condenser fan branch IS D Installation menu defrosting branch IS P Installation menu pump branch IS A Installation menu anti freeze branch IS S Installation menu protection device branch IS V Installation menu various and default parameter branch CO Configuration menu CO W Configuration menu Configuration parameters Plant branch CO HW Configuration menu HW Configuration parameters 4 2 1 1 Machines and Circuits Configuration Parameters The basic features of dual refrigerant circuits PGO1 2 are defined below 1 Single or dual condensing units parameter PG11 The effect of this configuration is described below for machines with a single fan S1A76018 03 2011 In condenser the control is based on the highest value of the condenser pressure temperature In heat pump units during defrost control it is not possible to carry out separate defrosting of each circuit In a Zero Energy Band control PC11 1 the compressor control is based on
77. d operated It is sometimes possible to adjust the equipment incorrectly and thus produce unsatisfactory or unsafe operation Always use the manufacturer instructions as a guide to functional adjustments Personnel who have access to these adjustments must be familiar with the equipment manufacturer instructions and the machinery used with the electrical equipment Only those operational adjustments actually required by the machine operator should be accessible to the operator Access to other controls should be restricted to help prevent unauthorized changes in operating characteristics User Comments We welcome your comments about this document You can reach us by e mail at techcomm schneider electric com S1A76018 03 2011 11 Introduction 1 Introduction Parametric controllers are programmable controllers with pre loaded application programs The application programs are created with SoHVAC This application program can manage air to water and water to water chillers made of single or twin circuits with scroll compressors Parametric controllers are used to configure standard machines with the help of pre programmed functions The main control functions do the following e manage up to 2 scroll compressors for each circuit e manage compressors with cooling heating mode e manage fans with phase cut module e enable double set point from external contact e compensate dynamic set point e manage pump down e provide built in
78. der to enable this function the outdoor air temperature sensor PH24 must be enabled 1A76018 03 2011 61 Control Functions Note The operating mode changeover can also happen while the machine is on In this case the machine switches itself off complying with all its timings then changes mode and thereafter switches itself back on automatically Note During the change high and low temperature controls are enabled Note Mode changing is disabled during defrosting cycles 5 3 Setting the RTC When the power supply is disconnected from the controller for a few days the RTC Real Time Clock system clock loses its time When the controller power is switched on again you need to reset the RTC alarm enabled by PA30 1 The following page appears and allows you to set the time SET CLOCK DATE amp TIME 17 06 2008 10 53 43 OK After you configure the clock press OK to update the RTC time The main application page is displayed Press OK to confirm the resetting of clock alarm ERTC at which point the conditions of the alarm has been restored If the alarm does not disappear remove and reconnect the controller power then reset the alarm manually Note This function is enabled only if the parameter PG04 1 that is if the system clock is enabled 5 4 Compressor Control The water temperature control air to water or water to water machines is carried out through the control of mechanical components that is co
79. dimension cause the liquid to back up creating a high pressure side while dropping to a low pressure side at its outlet Saturation A condition at which the air is unable to hold any more moisture at a given temperature 1A76018 03 2011 131 Index A Air Single Circuit Air to Water Chiller or Chiller HP Units I O Configuration 25 Air to Water Twin Circuit Chiller Units Heat Pump 30 Alarm Relay 90 Alarm Table 88 Alarms History 90 Alarms Menu 22 Anti Freeze Management Chilling Support Heating Coils 77 Applications 24 Auto Adaptive Control 65 Automatic Reset Alarms 87 B Buttons 14 C Circulating Pump Management 73 Compressor Control 62 Compressor Management 65 Compressor Status 65 Compressors 85 Condenser Control 68 Condenser Valve Control 72 Configuration Menu 22 Controller Hardware D Defrosting Cycle Compensation 77 Defrosting Management 75 Description 13 Detail Description of the Menus 18 Diagnostics 87 Dynamic Set Point 87 F Fan Management 72 Fan Status 72 Fan Timings 73 Fans 86 Flow Meter Management 75 Forced Shutdown 82 G General Menu 18 Generic Start up 38 132 Index Generic Start up Detailed Menus 38 Generic Start up Overview 38 H H W Configuration Parameters 41 High Pressure Reduction at High Temperatures Chiller 83 IO Configuration 25 28 34 UO Configuration Using TM168D23 and TM168E17 30 Icons Description
80. displayed Hp LOC lag By pressing the RIGHT or LEFT buttons in this page it is possible to display other information like circuit status RTC or all the configured sensors In case of the inoperable status of the sensors the value field of the corresponding sensor displays if the sensor is enabled else displays if the sensor is disabled Pressing ESC button when the machine is on takes the user to the Alarm page show ALARMS show HISTORY En S1A76018 03 2011 Description 2 3 3 4 Menu Navigation Principles The general menu has no levels and represents the access point for all other system menus You can view this menu at any point of time within the user interface by holding down the ENTER button for 2 seconds Press the UP and DOWN buttons to select the menu you want to view and press the ENTER button for confirmation A v down arrow sign appears in the upper right hand corner of the display indicating the focus This indication specifies that additional information is contained therein and can be viewed by pressing the DOWN button or UP button depending on the focus direction to view the content that is not visible in the current page In this specific case when the focus is on CONFIGURATION press DOWN button to proceed to the subsequent page HIN TENANCE INSTALLATION SENE gt ONFIGURATION lt Ent 2 3 3 5 Password Principles Each menu is assigned a level which affects the
81. displays the list of all active alarms S1A76018 03 2011 2 3 2 Icons Description i GENERAL IMFO gt UMIT ON Z a Description Icon picture Function Cooling mode icon Description Invisible cooling operating mode chiller inactive Visible cooling operating mode chiller active Note The meaning of the cooling and heating mode icons can be changed by the parameter PH53 Heating mode icon Invisible heating operating mode heat pump inactive Visible heating operating mode heat pump active Note The meaning of the summer and winter icons can be changed by the parameter PH53 Fan icon Invisible fans are off Visible at least one fan is on Reverse at least one fan is in manual mode and is on Na AP Alarm icon Visible at least one alarm is active Anti freeze heater icon Invisible off Visible the anti freeze heater is active Defrost icon Invisible defrosting is inactive Visible defrosting cycle is in progress Scheduler icon Invisible scheduler is inactive Visible scheduler is active C F icon indicates the temperature measurement unit of the selected sensor 1A76018 03 2011 Description 2 3 3 Menus 2 3 3 1 Menus Overview Unit off Unit on Unit OFF SmallChil Pro V013 OFF BY KEYBOARD Ent Water T 0 0 C To Switch ON lt ESC gt Mode i For Menus lt E
82. e 2 AO2 0 10 V i By selecting these units default values for the parameters PC11 1 and HC07 1 are automatically set Refer to Parameters List page 38 A value 0 is set for all input output position parameters not specified in this configuration PGO2 must be set to O in case expansion IO is used 1A76018 03 2011 Applications CONFIGURATION MENU MACHINE CONFIGURATION sub menu indicates e the number of compressor in PG03 maximum 2 Default value 2 e the number of pumps in PG09 maximum 2 Default value 1 For cabling in case of Controller I O Expansion Configuration refer to the M168 Hardware Guide and the Instruction sheet S1A7125 Also see the chapter below S1A76018 03 2011 37 Generic Start up 4 Generic Start up 4 1 Generic Start up Overview Machine configuration machine off status TBC see below for details Circuits configuration HW configuration Installation lt l Site gt System Compressor Condensor Control Antifreeze configuration Defrost Protection Various amp default device parameters RTC Menu User Menu Machine Ready to start 4 2 Generic Start up Detailed Menus 4 2 1 Parameters List The parameters managed by the application are listed below Each parameter is accompanied by a brief description the range of admissible values units of measure the assigned default value and the menu containing the parameter Menus are stru
83. e 1 29 PT03 EndDay1TZ 1 High 2 d P104 Offset 30 PT04 day1 OffsetCoolingDay1TZ 1 0 0 36 0 36 0 cooling day 1 zone R W 1 PTO5 Offset 31 PTO5 OffsetHeatingDay1TZ 2 0 0 36 0 36 0 heating day 1 zone R W 32 PTO7 StartDay1TZ 2 Low 0 0 86399 HE Weng day 1 zone 2 33 PTO7 StartDay1TZ 2 High 3 5 5 34 PTO8 EndDay1TZ 2 Low 0 0 86399 E08 abndume R W day 1 zone 2 35 PT08 EndDay1TZ 2 High 2 e d lt PT09 Offset 36 PTO9 OffsetCoolingDay1TZ 2 0 0 36 0 36 0 cooling day 1 zone R W 2 PT10 Offset 37 PT10 OffsetHeatingDay1TZ 2 0 0 36 0 36 0 heating day 1 zone R W 38 PT12 StartDay2TZ 1 Low 0 0 86399 Pide cU LEAN day 2 zone 1 1A76018 03 2011 113 List of Modbus Variables REGISTER VARS Addr Name Value Min Max Description Mode Base 1 39 PT12_StartDay2TZ_1 High 2 40 PT13 EndDay2TZ 1 Low 0 0 86399 PT13 End time RW day 2 zone 1 41 PT13_EndDay2TZ_1 High 2 S n PT14 Offset 42 PT14 OffsetCoolingDay2TZ 1 0 0 36 0 36 0 cooling day 2 zone R W 1 PT15 Offset 43 PT15 OffsetHeatingDay2TZ 1 0 0 36 0 36 0 heating day 2 zone R W 1 44 PT17 StartDay2TZ 2 Low 0 0 86399 PT17 Starttime pw day 2 zone 2 45 PT17 StartDay2TZ 2 High z lt 46 PT18_EndDay2TZ_2 Low 0 0 86399 PT18 Endtime Ryw day 2 zone 2 47 PT18_EndDay2TZ_2 High 2 x PT19 Offset 48 PT19
84. eat Pump This control makes it possible to partialize the refrigerating circuit power when the outdoor air temperature and refrigerated water temperature conditions lead to the triggering of minimum pressure alarms If ess than 15 minutes have elapsed since the triggering of a minimum pressure alarm and pressure falls below a given threshold circuit active power partialization is forced till the pressure climbs back over the threshold by a certain differential e PC50 Pressure partialization enable at low temperatures 1A76018 03 2011 83 Control Functions PC51 Pressure partialization set point at low temperatures PC52 Pressure partialization differential at low temperatures PC53 Low external air temperature threshold PC54 Refrigerated water high temperature threshold PC55 Delay for partialization from low pressure alarm According to the number of configured compressors the power limiting percentage is calculated on the basis of the following parameter PC32 Power limiting for winter operation In order to enable this control the outdoor air temperature sensor PH24 must be enabled Water T Thresh Ext air T Thresh LPLT Less than 15 minutes This control can only be enabled in winter operating mode heat pump 84 1A76018 03 2011 Control Functions 5 15 6 Operating Limit Management Heat Pump When the external air temperature falls below a particular low level it may no lon
85. ed in the above configuration Limitation for PWM Fan output e The controller must be powered by an alternating current supply The controller powering phase must be the same one that supplies the fan module e PWM output can be used only with TM168EFAN device PGO2 must be set to O in case expansion I O is used CAUTION INOPERABLE EQUIPMENT Use the same power line circuit for both the controller and the single phase fan driver as described in the related documentation Failure to follow these instructions can result in equipment damage CONFIGURATION MENU MACHINE CONFIGURATION sub menu indicates e the number of compressor in PG03 maximum 2 Default value 2 e the number of pumps in PG09 maximum 2 Default value 1 For cabling in case of Controller and UO Expansion Configuration refer to the M168 Hardware Guide and the Instruction sheet S1A71258 Also see the Generic Start up page 38 S1A76018 03 2011 33 Applications 3 4 Water to Water Twin Circuit Chiller Units Heat Pump 3 4 1 Machine Functional Diagram 3 4 2 I O Configuration 34 Implementing I O configuration through controller parameters Twin circuit water to water units PG01 2 Program modifications in a controller that is in operation can have serious consequences to the operation of a machine or process Only those who understand the implications in the intended modifications and who understand the consequence
86. efrost PP07 Shutdown pump during defrost R W 1034 Pr01 EnableAntiFreezeHeater Pr01 Enable antifreeze heater R W 1035 Pr04 ForceHeaterErrorProbe Pr04 Forcing of anti frost heating elements when sensor inoperable R W 1036 PA08 consequentTimeForTempAlarm PAO8 Enable temperature alarm R W 1037 PA16_EnabLPcontrolLowTemp PA16 Enable low pressure alarm at start up with low temperature R W 1038 PA25 EnAllPrimaryExchanger PA25 Enable primary exchanger efficiency alarm R W 1039 PA30_EnableAlarmRTC PA30 Enable alarm RTC R W 1040 PA31_ResetType_AlarmRTC PA31 Reset type alarm RTC R W 1041 PA32 Enable CommonAlarmlnput PA32 Enable common alarm input R W 1042 PA34 ResetType CommonAlarmlnput PA34 Common alarm input reset type R W 1043 PA40 En Alarm HourCmp PA40 Enable alarm of operating hours of compressors R W 1044 PA42 ThermalCmp ResetType PA42 Type of reset for thermal alarm of the compressor R W 108 S1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Base 1 Name Value Min Max Description Mode 1045 PA60 En Alarm HourPump PA60 Enable alarm operating hours pumps R W 1046 PA71 RestoreTypeHighPressAl PA71 Type of reset for high pressure alarm R W 1047
87. er 30 0 PC68 70 0 C IS R set point Function limit management PC70 0 Disable 0 0 1 IS R 1 Only heat pump PC71 Function limit set point 7 0 30 0 30 0 C IS R PC72 Function limit differential 4 0 0 1 10 0 C IS R 1A76018 03 2011 47 4 2 1 7 Installation Anti Freeze Configuration Parameters Level 3 Installation Menu Submenu Anti Freeze Code Parameter Description Default Min Max Units Menu Pro1 Enabling o anti ros Yes 1 No 0 Yes 1 IS AF heating elements Pr02 ene ani erent hog Prit 100 C ISAF set point Pr03 Anti frost heating element 20 0 1 10 0 C IS AF differential Forcing of anti frost Pr04 heating elements with No 0 No 0 Yes 1 IS AF inoperative sensor Pr11 Anti frost alarm threshold 3 0 30 0 Pr01 C IS AF Pr12 Anti frost alarm differential 2 0 0 1 10 0 C IS AF 4 2 1 8 Installation Defrost Configuration Parameters Level 3 Installation Menu Submenu Defrost Code Parameter Description Default Min Max Units Menu Pd01 ee 6 0 on Pdo2 Bar sn defrosting start Pd02 ed 120 Paot 450 Bar IS D defrosting stop Pd03 Walinginteryalat 1200 60 Pa23 Sec 1s D defrosting start Pd05 Makimungarakon or 300 10 600 Sec IS D defrosting Pd06 Duration of dripping 120 0 600 Sec IS D Minimum defrost waiting
88. er of pumps 1 1 2 CO W It enables unique condensing PG11 0 No 2 fans No 0 iD Yes 1 CO W 1 Yes 1 fan It enables single evaporating PG12 0 No 2 evaporator No 0 i Yes 1 CO W 1 Yes 1 evaporator PSd4 Constructor level password 0 999 9999 CO 1A76018 03 2011 Generic Start up 4 2 1 2 H W Configuration Parameters Level 4 Configuration Menu Submenu Hardware Configuration Code Parameter Description Default Min Max Menu Input type low pressure sensor 1 1 Enabled with sensor 4 20 mA HCO01 1 1 3 CO HW 2 Enabled with sensor 0 5 V 3 Enabled with sensor 0 10 V Input type high pressure sensor 1 1 Enabled with sensor 4 20 mA HC02 1 1 3 CO HW 2 Enabled with sensor 0 5 V 3 Enabled with sensor 0 10 V Input type low pressure sensor 2 1 Enabled with sensor 4 20 mA HC03 1 1 3 CO HW 2 Enabled with sensor 0 5 V 3 Enabled with sensor 0 10 V Input type high pressure sensor 2 1 Enabled with sensor 4 20 mA HC04 1 1 3 CO HW 2 Enabled with sensor 0 5 V 3 Enabled with sensor 0 10 V Select function of Digital Output 4 also expansion PEOS 0 liquid line 1 0 0 1 CO HW 1 evaporator pump 2 Set position of the analog output for HC06 k condensation 2 1 3 CO HW Select function of Digital output 4 also expansion HC07 1 0 1 CO HW 0 Low pressure alarm 1 HW fan VSD alarm When the m
89. escription Mode 1026 PF01 CondenserControlType PF01 Condenser control type R W 1027 PF02 EnFanWithCmp PF02 Enable fan control only if at least one compressor is on R W 1028 PF03_StopFan_Defrost PF03 Stop fan during defrost R W 1029 PF09 ForcelnErrorProbe PF09 Fan operation in case of condensing sensor alarm R W 1030 PF13 EnabForceMax PF13 Enable force maximum condensation R W 1031 PF33 EnabCutOff PF33 Enable fan control under minimum condensing limit R W 1032 Pd20 EnabDefrostCompensation Pd20 Enable defrost compensation R W 1033 PP07 ShotdownPumplnDefrost PP07 Shutdown pump during defrost R W 1034 Pr01 EnableAntiFreezeHeater Pr01 Enable antifreeze heater R W 1035 Pr04 ForceHeaterErrorProbe Pr04 Forcing of anti frost heating elements when sensor inoperable R W 1036 PA08 consequentTimeForTempAlar m PAO08 Enable temperature alarm R W 1037 PA16_EnabLPcontrolLowTemp PA16 Enable low pressure alarm at start up with low temperature R W 1038 PA25 EnAllPrimaryExchanger PA25 Enable primary exchanger efficiency alarm R W 1039 PA30_EnableAlarmRTC PA30 Enable alarm RTC R W 1040 PA31_ResetType_AlarmRTC PA31 Reset type alarm RTC R W 1041 PA32 Enable CommonAlarmlnput PA32 Enable
90. essor PCO7 Minimum time which must elapse between start ups of two different 10 0 999 Sec IS C compressors PCO8 Minimum time which must elapse between shutdowns of two different 20 0 999 Sec IS C compressors PCO9 Maximum number of start ups for every hour only for adaptive 8 4 12 IS C control PC10 Number of compressors per circuit which will be forced in case of a 1 0 PG03 IS C regulating sensor alarm 42 1A76018 03 2011 4 2 1 4 Installation Condenser Configuration Parameters Generic Start up Level 3 Installation Menu Submenu Condenser Code Parameter Description Default Min Max Units Menu Notes PF01 Condenser control type IS F 0 Modulating control 1 Single stage control PF02 Enables fan control only if at least one compressor is on No 0 No 0 IS F PF03 Sets whether or not fans must switch off during defrosting cycles No 0 No 0 IS F PF07 Minimum time which must elapse between the start ups of two different fans 999 Sec IS F PF08 Minimum time which must elapse between the shutdowns of two different fans 20 999 Sec IS F PF09 Forces the fans if there is a condensing sensor alarm No 0 No 0 IS F With PF01 0 Single stage Control PF10 Forces the fans if there is a c
91. essure Reduction at High Temperatures Chiller sess 83 5 15 5 Low Pressure Partialization at Low Temperatures Heat Pump eee 83 5 15 6 Operating Limit Management Heat Pump sese sese eee eee eee ee 85 5 16 Manual Operation EE ERR ER ER ER EK EK RER ER ER RE ER ER KREE RER KREE EE ER ER RR RR RER ERR KE EE EE ER ER ER EE RS RE EE KE RE RRR RR RR RR EE EE EE EE ER ER EE KREE EE KREE 85 STOT ComipresSorss ice re ies err Dee de eode d eel do dog ees 85 Salo SEATS aa didi me edet deed IA Nee redii are inte PII Dri CEDE 86 5 17 Resetting Default Parameters TTT 86 6 DIAGNOSTICS 111717101174 AHA 87 6 1 Manual and Automatic Alarms TTT 87 6 2 Manual Reset Alarms ueRRIFENREREIRRNRREARPRESNERASNARESRRFRAREENSRRWRRRSRRGNSRERERSRNSRERRREERRONRSFANNRESARENREERUSEAMSNENNSNERE SERES 87 6 3 Automatic Reset Alarms NeRMSRRVSRWEREESBRREVERKSREEFRCERRRRESREOBRRERARKSSRRVENESFREER RRR NER RER REER RRR NEIER EE SE KEE RER e 87 6 4 Alarm Table DTD 88 6 5 Alarm Relay TTT 90 6 6 Alarms History TTT 90 7 LIST OF MODBUS VARIABLES n1111177 0 178 8 HA AHA 91 TA Modbus registers for TM168D23CHIL101 with BMS TTT 91 7 2 Modbus registers for TM168D23CHIL101 without BMS TITA 112 GLOSSARY 134 WS e 132 S1A76018 03 2011 5 Safety Information Safety Information Important Information NOTICE Read these instructions carefully and look at the equipment to become familiar with the device before trying to i
92. et alarm log R W S1A76018 03 2011 129 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 1070 PH32 Temp UM PH32 Temperature unit 0 2 C 1 F R W 1071 PH33 Press UM PH33 Pressure unit 0 Bar 1 psi R W 1072 PH53 Icon Cool Heat PH53 Mode icon cool heat R W 1073 PH61 Logic DI Remote OnOff PH61 Logic DI remote on off 0 NO 17 NC RAN 1074 PG02 En Expansion PG02 Enable expansion R W 1075 PG04 En RTC PG04 Enable real time clock RTC R W 1076 PG11_EnabUniqueCondensing PG11 Enable unique condensing R W 1077 PG12_enabSingleEvap PG12 Enable single evaporation R W 1078 HCO5 DigitalOutput4 HC05 Function of DO4 0 liquid line 1 1 pump 2 R W 1079 HC07_LPorFanAlarm_C2 0 0 1 HCO07 Enable LP or fan alarm switch R W 130 Note Double word Modbus registers are listed as 2 registers Ranges are specified for the complete double word register only S1A76018 03 2011 Glossary Glossary Chiller A device that removes heat from a liquid via a vapour compression or absorption refrigeration cycle This cooled liquid flows through pipes in a building and passes through coils in air handlers fan coil units or other systems cooling and usually dehumidifying the a
93. eter PGOO 1 3 the MODE parameter is no longer modifiable Thus the operating mode is fixed at 0 that is Cool There are several procedures to configure operating mode of the machine 1 Using MODE parameter accessible from the User menu Select the parameter press ENTER button modify the value using UP and DOWN buttons Confirm by pressing ENTER once again The corresponding icon confirms that modification is successful 2 Using the command Summer winter from digital input this function is enabled by the parameters PH06 The unit is set for winter operation with open contact and it is set for summer operation with closed contact Commutation of the digital input switches the unit off changes its operating mode and switches the unit back to on 3 Using a Supervisory protocol this function is enabled by the parameter PH10 Send the operating mode change command through the protocol The corresponding operating mode icon confirms that modification is successful 4 Using the automatic Change over function this function is enabled by the parameter PH06 When the outdoor air temperature value exceeds the Summer Commutation Set Point PC61 the unit commutates to summer operating mode Similarly when the outdoor air temperature value falls below the Winter Commutation Set Point PC62 the unit commutates to winter operating mode PC62 PC61 F N FF4 Cooling Mode Heating Mode Outdoor air T Note In or
94. ger be convenient or sufficient to use the heat pump The Limit set point PC17 on outdoor air temperature is used to disable the heat pump Reactivation happens when the outdoor air temperature exceeds the limit set point plus a configurable Limit differential PC72 Limit set p PC71 ON T oe Ext T Diff PC72 In order to enable this function the outdoor air temperature sensor PH24 must be enabled 5 16 Manual Operation This program allows setting the manual operation for compressors and fans In this condition the devices are neither involved in rotations nor in thermo control calculations though they remain sensitive to any alarm Manual operation of devices proves to be useful when functional tests are to be carried out on the machine to ascertain its integrity and correct functionality 5 16 1 Compressors The manual operation of compressors is guaranteed by the parameter Compressor enable PM1x e f set to Auto it defines the normal behavior of the device e f set to Manu it disables the compressor switching it to manual operation A compressor in manual operation mode does not take part in controls and can be forced to provide its steps by acting on the property Compressor forcing PM2x present in the MAin 5MAnu menu As previously mentioned however the compressor remains sensitive to any alarm and related consequences In order to bring the compressor back to normal operation parameter Compressor enable P
95. heating coils in addition to setting the associated parameter Pr01 1 5 11 Single Evaporation On twin circuit machines you can choose only one circuit to manage evaporation In order to enable this function set the parameter PG12 1 Evaporation is performed by anti frost and heating in Circuit 1 using the largest of the evaporating temperature values acquired from respective transducers The activated heating and anti frost alarm are always related to Circuit 1 S1A76018 03 2011 77 Control Functions 5 12 Temperature Alarm Control 5 12 1 Low and High Temperature Alarm Management According to the operating mode a check is carried out on the exchanger inlet temperature triggering an alarm where appropriate In winter operation heat pump if the temperature falls below a given threshold for a settable lapse of time a low temperature alarm is generated AL01 In summer operation chiller if the inlet temperature exceeds a given threshold for a settable lapse of time a high temperature alarm is generated ALO2 Through a configuration parameter alarms can be set to display only alarms or to stop the machine It is also possible to set a temperature alarm inhibition delay from system start up so as to give the machine a chance to reach full power PAO5 High temperature alarm set point PAO6 Low temperature alarm set point PAO07 Temperature alarm enable delay PAO08 Temperature alarm management mode di
96. hus creating a need for defrosting decreases Therefore it may be advantageous to increase the defrosting activation delay in relation to the decrease in the outdoor air temperature so as to improve the overall efficiency of the system If enabled by parameter Pd20 this function is activated at an Outdoor air temperature set point for defrosting compensation start Pd21 below which the set point compensation starts with the increment of the defrosting activation delay up to a maximum value Maximum defrosting delay Pd23 on reaching the Outdoor air temperature set point for defrosting compensation stop Pd22 Activation delay Pd23 1 1 1 1 1 1 1 1 1 U U r 1 1 1 1 Ext T Pd22 Pd21 In order to enable this function the outdoor air temperature sensor PH24 must be enabled 5 10 Anti Freeze Management Chilling Support Heating Coils On air to water or water to water machines anti frost control is active even when the machine is switched off Two thresholds are provided with their related differential one is used to activate the heating coils and the other to signal the alarm and stop compressors within the associated circuit If the anti frost alarm persists for the duration of Pump operation time at low temperature PP10 the pump is switched off until the next alarm reset In the case of anti frost in off status only the heating coils are activated whereas the alarm is not notified In order to enable the
97. ing day PT23 Wednesday schedule 1 0 2 l OR ra de 2 working day2 0 none working day PT24 Thursday schedule 1 0 2 OR i woring day1 2 working day2 S1A76018 03 2011 55 Generic Start up RTC MENU This menu is accessible if PG03 1 Code Parameter Description Default Min Max Units Menu Notes 0 none working day PT25 Friday schedule 1 0 2 oR Tz working day1 2 working day2 0 none working day PT26 Saturday schedule 0 0 2 5 QR 17 working day1 2 working day2 0 none working day PT27 Sunday schedule 0 0 2 OR Working day1 2 working day2 4 2 1 12 User Menu Configuration Parameters Level 1 USER MENU Code Parameter Description Default Min Max Units Menu Notes It sets the operating mode Modifiable only if MODE 0 Cool Chiller summer 0 0 1 Dal oos ANG eat pump 1 Heat Heat pump winter PG00 2 4 Sect ot ake ie 8 5 PC21 PC22 t fur summer set point chiller SPH1 It sets the value of the winter 440 PC23 PC24 C UT set point heat pump PSd1 It modifies the password at 0 999 9999 UT Ng User level 56 1A76018 03 2011 4 3 Maintenance Menus 4 3 1 Maintenance Operation Sub Menu Generic Start up Level 2 Maintenance Menu Submenu Operation Code Parameter Description Default Min
98. inlnverterFan 50 00 0 00 100 00 PF42 Value X2 fan linearization table R W 145 PF43 LinlnverterFan 75 00 0 00 100 00 PF43 Value X3 fan linearization table R W 146 PF45_LinlnverterFan 25 00 0 00 100 00 PF45 Value Y1 fan linearization table R W 147 PF46 LininverterFan 50 00 0 00 100 00 PF46 Value Y2 fan linearization table R W 148 PF47 LinlnverterFan 75 00 0 00 100 00 PF47 Value Y3 fan linearization table R W 149 Pd01 SetStartDefrost 6 0 0 0 652 5 Pd01 Setpoint start defrost R W 150 Pd02_SetStopDefrost 12 0 0 0 652 5 Pd02 Setpoint stop defrost R W 151 Pd03 WaitTimeStartDefrost 1200 60 9600 Pd03 Waiting interval at defrost start R W 152 153 Pd05 MaxTimeDefrost Pd06 DrippingTime 300 10 120 0 600 600 Pd05 Maximum duration of defrost Pd06 Dripping time R W R W 154 Pd07 MinTimeWaitAfterCmp 60 0 600 Pd07 Minimum time to wait after compressor restart R W 155 Pd21 SetStartCompensation 5 0 30 0 70 0 Pd21 Setpoint for defrosting compensation start R W 156 Pd22 SetStopCompensation 0 0 30 0 70 0 Pd22 Setpoint for defrosting compensation stop R W 157 Pd23 MaxTimeCompensation 3600 0 9600 Pd23 Maximum waiting time at defrosting compensation stop R W 158 PP02 TO
99. int summer Chiller R W 98 PC23 MinValueSetHP 30 0 23 0 158 0 PC23 Minimum setpoint winter HP R W 99 PC24_MaxValueSetHP 44 0 23 0 158 0 PC24 Maximum setpoint winter HP R W 100 PC31_PowerLimitedSummer 50 100 PC31 Power limited summer RAN 101 PC32_PowerLimitedWinter 50 100 PC32 Power limited winter RW 102 PC36_SetForceSummer 3 5 30 0 73 0 PC36 Summer force shutdown setpoint R W 103 PC37 SetForceWinter 52 0 26 0 167 0 PC37 Winter force shutdown setpoint R W 104 PC42_CompShutDownTime 240 PC42 Compressor shutdown time in pump down R W 105 PC43_DiffPumpDown 1 5 0 0 72 5 PC43 Threshold for pump down disabling R W 106 PC46_SetpointHPTC 27 0 0 0 652 5 PC46 Pressure set point for high temperature pressure switch control R W 107 PC47_DiffHPTC 2 0 0 0 72 5 PC47 Pressure differential for high temperature pressure switch control R W 108 PC48 ThresholdAirExtHPTC 12 0 30 0 73 0 PC48 External high temperature threshold for pressure switch control R W 96 1A76018 03 2011 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 PC49 Minimum time for 109 PC49 MinTimeHPTC 10 0 99 maintaining
100. ir in the building Chillers are of two types air cooled or water cooled Air cooled chillers are usually outside and consist of condenser coils cooled by fan driven air Water cooled chillers are usually inside a building and heat from these chillers is carried by recirculation of water to outdoor cooling towers Coil Equipment that performs heat transfer when mounted inside an Air Handling unit or ductwork It is heated or cooled by electrical means or by circulating liquid or steam within it Air flowing across it is heated or cooled Compressor Mechanical device for increasing a gas pressure Controller A device that senses changes in the controlled variable or receives input from a remote sensor and derives the proper correction output Expansion valve Metering device is the section of the refrigerator that separates the high and low pressures Its job is to hold one side of the refrigerator at a high pressure while allowing just enough refrigerant to pass through to the low pressure side to do its job in the evaporator The 2 popular types of Metering Device used on modern refrigeration are Thermostatic Expansion Valve and Capillary tubes The Capillary tube is a fixed metering device which acts as a restricting device and cannot be altered to effect performance from the evaporator It is used in both residential and commercial systems and commonly used on domestic refrigeration Made from thin copper tubing its length and internal
101. it 1 PM82 Saranen ge aporte TON 0 0 20 0 200 C MA CA pressure sensor in Circuit 1 PM83 Calibration of chilled water leaving 0 0 20 0 20 0 Bar MA CA temperature sensor 1 PM84 Calibration of the chilled water 0 0 20 0 20 0 C MA CA entering temperature sensor PM85 Calibration of outdoor air 0 0 20 0 20 0 C MA CA temperature sensor PM86 Calibration of condensing high 0 0 20 0 200 C MA CA pressure sensor in Circuit 2 SI SE 0 0 20 0 20 0 Bar MA CA pressure sensor in Circuit 1 PM88 Calibration of chilled water leaving 0 0 20 0 200 Bar MA CA temperature sensor 2 PSdq2 It modifies the password at 0 999 9999 MA F Maintenance Operator level S1A76018 03 2011 59 Control Functions 5 Control Functions 5 1 Machine Status Several procedures exist for switching the unit on and off 1 Using the dedicated on off button this function is enabled through the parameter PH05 e Switching on Hold down the dedicated button for 2 seconds If all other enabled functions are present the machine switches itself on e Switching off Hold down the dedicated button for 2 seconds The machine switches itself off 2 Using the on off command from digital input this function is enabled through the parameter PH07 e Switching on Closes the remote on off contact If all other enabled functions are present the machine switches itself on e Switching off If the remote on off conta
102. ition of a zero energy band ZEB around the set point Compressors are not be switched on or off within the zero energy band If the CHW leaving temperature is beyond the zero energy band the compressors are activated de activated in order to bring the CHW leaving temperature value back into the zero energy band The requests for switching on off the various power steps provided by compressors in summer operating mode chiller follow the logic given below e Switching on when the CHW leaving temperature exceeds the zero energy band e Switching off when the CHW leaving temperature falls below the zero energy band Compressor shutdown Compressor start up SP CW leaving temp Mode Operating mode 0 summer SPC1 NZ summer set point PC11 Control type 1 Zero energy band PC14 Zero energy band PC17 Extra time for out of zone request PC21 Chiller set point lower limit PC22 Chiller set point upper limit The requests for switching on off the various power steps provided by compressors in winter operating mode heat pump follow the logic given below e Switching on when the CHW leaving temperature falls below the zero energy band e Switching off when the CHW leaving temperature exceeds the zero energy band Compressor start up Compressor shut down d CHW leaving SP temp Mode Operating mode 1 winter SPH1 NZ winter set point PC11 Control type 1 Zero energy band S1A76018
103. l cireun compressors off AL52 Failed start up for low pressure Circuit 2 Auto DEE compressors off Circuit compressors AL81 Evaporator anti frost Circuit 1 Manu off and Pump on for T sec Circuit compressors AL82 Evaporator anti frost Circuit 2 Manu off and Pump on for T sec 88 1A76018 03 2011 Diagnostics Code Alarm description Type Consequence Notes AL90 Common alarm input Auto AI oirean compressors off AC21 Thermal switch compressor 1 A M Compressor 1 off AC22 Thermal switch compressor 2 A M Compressor 2 off Settable delay AC23 Thermal switch compressor 3 A M Compressor 3 off AC24 Thermal switch compressor 4 A M Compressor 4 off d Not AP21 Thermal switch pump 1 A M Pump 1 off 7 implemented d A Not AP22 Thermal switch pump 2 A M Pump 2 off implemented AF21 Thermal switch fan Circuit 1 A M Fan 1 off Settable delay AF22 Thermal switch fan Circuit 2 A M Fan 2 off AC01 Operating hours compressor 1 Auto Display only AC02 Operating hours compressor 2 Auto Display only AC03 Operating hours compressor 3 Auto Display only AC04 Operating hours compressor 4 Auto Display only AP01 Operating hours pump 1 Auto Display only AP02 Operating hours pump 2 Auto Display only AF01 Operating hours fan Circuit 1 Auto Display only AF02
104. lling is no longer possible Parameter PC10 defines the number of compressors which are activated in each circuit 5 5 Compressor Management The program is capable of managing a maximum of 2 compressors of the same power for each circuit thus there are a total of 4 compressors Each compressor has a digital input for protection devices and a digital output for on off switching The compressors are controlled by lateral band or zero energy band control see previous chapter with respect to the compressor timings 5 5 1 Compressor Status The status of each compressor is visualized in the operator HMI A compressor has the following status Disabled The compressor has not been configured the display shows On The status display shows ON Waiting to switch on The compressor is waiting for protection timings before switching on The status display shows WON Off The status display shows OFF S1A76018 03 2011 65 Control Functions Waiting to switch off The compressor is waiting for protection timings before switching off The status display shows WOFF Alarm The compressor is in alarm status The status display shows ALARM Manual The compressor is in manual operating mode The status display shows MANUAL It is possible to read the number of operating hours of each compressor from the maintenance operator menu with the help of parameters PM01 PM02 PM03 and PM04 To delete these timings enter the value O using ENTER
105. ment 81 Modulating Fan Control 69 O Operating Limit Management Heat Pump 85 Operating Mode Control 61 P Parameter Key 13 Parameters List 38 Password Principles 19 Pressure Alarm Control 78 Project and Firmware Versions 23 Protection Timings 68 Pump Status 74 Pump Down Switch Off Procedure 67 1A76018 03 2011 Index R Regulations 60 Relative Threshold Pump Down 67 Resetting Default Parameters 86 Rotation of Compressors 66 RTC Menu 22 S Scheduler Configuration Parameters 54 Set Point Variation by Schedule Timer 81 Setting the RTC 62 Single Condenser 72 Single Evaporation 77 Single Stage Fan Control 71 T Temperature Alarm Control 78 Thermal Protection Inputs 68 73 Time Schedule 80 U User Interfaces 14 User Menu 20 User Menu Configuration Parameters 56 W Water to Water Single Circuit Chiller Units Heat Pump 28 Water to Water Twin Circuit Chiller Units Heat Pump 34 Z Zero Energy Band ZEB Control 64 133
106. mpressors and or fans 2 types of controls are provided 1 lateral band control on entering chilled water temperature 2 zero energy band control on leaving chilled water temperature 5 4 1 Lateral Band LB Control Lateral band is a proportional control function The chilled water temperature is controlled by switching the compressors on or off The following figure illustrates the behavior of lateral band control Set point Set point Proportional band for summer operation chiller Depending on the chilled water entering temperature the number of compressors steps is either increased or decreased In this control mode the entire band is shifted above the set point 62 1A76018 03 2011 Control Functions Steps CHW entering Temp Mode Operating mode 0 summer SPC1 LB summer set point PC11 7 Control type 0 7 Lateral band PC12 Proportional band PC21 Chiller set point lower limit PC22 Chiller set point upper limit Conversely in winter operating mode heat pump the entire band is shifted below the set point Steps Md psu AN CHW entering Temp SP PB SP Mode Operating mode 1 winter SPH1 LB winter set point PC11 7 Control type 0 7 Lateral band PC12 Proportional band PC23 Heat pump set point lower limit PC24 Heat pump set point upper limit S1A76018 03 2011 63 Control Functions 5 4 2 Zero Energy Band ZEB Control 64 This control type requires the defin
107. nCyclic 120 1 999 PP02 Pump on time in cyclic working R W 159 PP03 TOffCyclic 120 1 999 PP03 Pump off time in cyclic working R W 160 PP04 TMinPumpComp 60 1 999 PP04 Minimum time between on pump and on comp R W 161 PP05 DelayShutdownPumps 60 1 999 PP05 Delay shutdown pumps R W 120 1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Name Value Min Max Description Mode Base 1 PP08 Delta hours 162 PP08 DeltaHoursSwap 4 1 240 to swap pumps R W PP09 Operating 163 PP09 PumpOperatingTimeLowWater 15 0 999 time pump low R W water flow PP10 Pump 164 PP10 PumpOperatingTimeLowTemp 15 0 999 operating time at R W low temperature 165 Pr02 SetpointHeater 5 0 30 0 50 0 LINA eet RAW heater Pr03 Differential 166 Pr03 DiffHeater 2 0 0 1 18 0 heater R W 167 Pr11_SetpointAlarmAntifreeze 3 0 30 0 50 0 Ee Ge R W alarm antifreeze 168 Pr12_DiffAlarmAntifreeze 2 0 0 1 18 0 Pro Dilerenbelk pud alarm antifreeze PAO1 Delay alarm 169 PAO1 FlowStartup AlarmDelay 10 1 999 flow from start up R W 170 PA02_FlowRunning_AlarmDelay 1 1 999 PAOA Delay low Il enw running alarm 171 PA04_DelayErrorProbe 10 0 240 Eon Dey R W inoperable sensor PAO5 Setpoint 172 PA05_SetpointAlarmHighTemp 30 0 10 0 104 0 alarm high R W temperature PAO6 Setpoi
108. ne who has skills and knowledge related to the construction and operation of electrical equipment and the installation and has received safety training to recognize and avoid the hazards involved Important Notice This Instruction Manual should be read carefully before installation and before use and all warnings relating to installation and electrical connections should be observed the Manual should then be kept for future reference All devices must be disposed of in accordance with local regulations governing the disposal of electrical and electronic devices S1A76018 03 2011 About the Book About the Book m e At a Glance Document Scope This document describes various applications using SoHVAC the M168 and associated hardware The following diagrams and products specified in this document have been tested under actual service conditions Your specific application requirements may be different from those assumed for this and any related examples described herein In that case you will have to adapt to the information provided in this and related documents to your particular needs To do so you will need to consult the specific product documentation of the components that you add or substitute in this architecture Pay particular attention and conform to any safety information different electrical requirements and normative standards that would apply to your adaptation Some major components used in this architecture and rel
109. nes 1 or 2 water circulating pumps can be controlled which are defined by the parameter PG09 The Pump operation PP01 parameter defines how the pump will operate e PP01 0 continuous operation s PP01 1 operation at thermostat s request s PP01 2 cyclic operation In continuous operation the circulating pump is activated when the unit is switched on and after expiration of the time delay interval parameter PP04 the compressors can be energized When the unit is switched off the pump is deactivated after the time delay interval parameter PP05 In operation at thermostat s request the pump is operated as a result of a request for heat or cold Upon such a request first the pump output is activated and then after the delay of PP04 the chilling heating compressor is switched on OFF Cooling Heating xa OFF Pump ka OFF Thermostat 04 PP05 L L ng rng 1A76018 03 2011 73 Control Functions In a similar fashion on a thermostat switch off request the compressor switches off while the pump remains on for the duration of PP05 In cyclical operation the pump is controlled by the definition of start up shutdown times If the thermostat function triggers a chilling or heating request during the pump activation time the pump remains activated for the whole duration of this request plus any delay interval between compressor shutdown and pump shutdown ON OFF Cooling Heating PP04 PP05 on
110. nhibited and a Start up low pressure alarm AL21 and AL22 for Circuit 2 is displayed The purpose of this condition is to inhibit compressor start up in the absence of Freon gas in the circuit there can be a refrigerant leak from the piping system 5 13 4 Management of Low Pressure Transducer Alarm Heat Pump Mode If the intake pressure falls below a given threshold a low pressure alarm AL41 and AL42 for Circuit 2 is generated The alarm immediately stops the refrigerating circuit shutting down any compressors which may be on and inhibiting the start up of others At the start up of the first compressor the alarm is delayed for a given interval to enable the compressors to take the refrigerating circuit to full pressure The alarm is initially auto resetting unless it exceeds a given number of events within one hour PA14 in which case it becomes a manual reset alarm The alarm can be reset if in the meantime pressure has risen above the minimum threshold by a certain differential value e PA11 Low pressure alarm set point e PA12 Low pressure alarm differential e PA13 Low pressure alarm by pass time e PA14 Maximum number of auto reset low pressure alarms S1A76018 03 2011 79 Control Functions In the presence of low temperatures of external air intake pressure could fall below the minimum pressure threshold thus inhibiting compressor start up In such a situation it is possible to activate a control which
111. nstall operate or maintain it The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure The addition of this symbol to a Danger or Warning safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A DANGER T This is the safety alert symbol It is used to alert you to potential DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury A CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury CAUTION CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided can result in equipment damage 6 1A76018 03 2011 Safety Information PLEASE NOTE Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material A qualified person is o
112. nt 173 PAO06 SetpointAlarmLowTemp 15 0 10 0 104 0 alarm low R W temperature 174 PAO7_DelayTempAlarm 30 1 999 BDO Delay TOF R W temperature alarm PAO9 Differential 175 PAO09 DifferentialAlarmTemp 0 5 0 1 18 0 alarm high low R W temperature PA10 Delay 176 PA10 DelayAfterUnitOn 15 0 999 temperature alarm R W after unit on 177 PA11 SetAlarmLowPress 3 0 0 1 143 5 E selpon RAW alarm low pressure 178 PA12 DiffAlarmLowPress 1 0 0 1 58 0 PATA Binerengal WE alarm low pressure 179 PA13 TimeByPassAlarmLowPress 120 0 999 Pats Delay glam mm low pressure PA17 Setpoint 180 DAAT SetAlarmLPwithLT 1 0 0 1 143 5 alan TOW pressure odd with low temperature 1A76018 03 2011 121 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 181 PA18 DiffAlarmLowPressWithLowTe mp 0 5 0 1 58 0 PA18 Differential alarm low pressure with low temperature R W 182 PA19_TimeActiveControlLPwithLT 120 999 PA19 Time activation control low pressure with low temperature R W 183 PA20 DelayAlarmLPatStartUpCmp 240 999 PA20 Delay alarm low pressure at start up first compressor R W 184 PA21_SetHPal 28 0 0 0 652 5 PA21 Setpoint high pressure alarm R W 185 PA22_DiffHPal 5 0 0 1 435 0 PA22 Differential for reset high pressure alarm R W 186 PA26_
113. nt gt Enter ESC Right USER Ent lt GENERALINFO gt lt COMPRESSORS gt K F MAINTENANCE Ent Show ALARMS UNIT ON Le cpt CMP3 Le Status fans INSTALLATION Ent Show HISTORY Ent 2s MK CONFIGURATION Ent i k cvez CMP4 lt PUMPS gt s DEFROST gt Z PROBES gt LI Ba Status defrost OFF Al01 PESES USER MENU Pumpr Defrost C1 P AI02 0 0 Mode ump Iu Defrost C2 Al03 0 0v SetCool 0 0 C SetHeat 0 0 C v OPERATION Ent PSd2 MAINTENANCE MANUAL Ent 30 CALIBRATION Ent d OPERATION 2 LAST MAINTENANCE gt LimCmp 0 hours Zi Cmp1 0 hours Cmp2 0 hoursv lt Update MANUAL PM11 PM12 Auto PM13 Auto v CALIBRATION PM81 PM82 PM83 STATUS DI lt STATUS DO gt fz Al01 O OFF X ON O OFF X ON STATUS Al01 1 4 T 10 1 4 7 10 13 Al01 000000000000 000000000000000 A101 INSTALLATION MENU N ooo lo GO O COMPRESSOR Ent CONTROL Ent CONDENSOR Ent v PC01 PC02 BALANCE PC04 Ov CONTROL 1 2 PC11 LATERAL PC12 S PG 14 0 0 v __ CONDENSOR 1 2 gt Sach MODULATIING DEFROST lt CONTROL 2 2 gt PC46 TON PC47 0 0 PC48 0 0 fo 000 O D01 D02 D03 VT oo lt P01 CONTINUOU P02 F03 ANTI FREEZE PRO1 PRO2 PROS Garer en 1 2 PAQ2 PAO3 VARIOUS 71 2 PHO1 PHO2
114. ondensing sensor alarm 0 0 0 0 100 0 Yo IS F With PF01 1 Modulating Control PF11 Condensing control set point for summer operation chiller 20 0 5 0 45 0 Bar IS F PF12 Linear control band for condensation in summer operation chiller 12 0 0 1 15 0 Bar IS F PF13 Enabling of forcing to maximum Yes 1 No 0 IS F PF14 Maximum forcing enabling set point in summer operation chiller 26 0 15 0 Bar IS F PF15 Disabling differential for maximum forcing in summer operation chiller 2 0 0 1 5 0 Bar IS F PF16 Integral time for control of valves cooling 999 Sec IS F If PF16 2 0 integral action not present PF21 Condensing control set point in winter operation heat pump 9 0 0 5 15 0 Bar IS F 1A76018 03 2011 43 Generic Start up Level 3 Installation Menu Submenu Condenser Code Parameter Description Default Min Max Units Menu Notes Linear control band for PF22 condensation in winter 2 0 0 1 15 0 Bar IS F operation heat pump Maximum forcing activation PF24 n 32 05 200 Bar I amp F l operation heat pump inverter Maximum forcing de PF25 DE 01 50 Ba I amp F winter operation heat pump inverter Integral time for control
115. osting PUMP sub menu allows you to set the parameters related to the operation and protection of pumps ANTI FREEZE sub menu allows you to set the parameters related to the thermal control of heating and control of the anti frost alarm PROTECTION DEVICES sub menu contains all the parameters related to alarms and the management of safety devices which protect the refrigerating circuit Few of these functionalities are e activations e reporting delays e type of resetting VARIOUS PARAMETERS sub menu contains general parameters related to the management of Modbus communications transducer full scale values and other configurable activations From the DEFAULT PARAMETER sub menu you can restore default values of all the parameters of the application and save or download from the Parameter key This menu is only accessible when the device is off S1A76018 03 2011 21 Description 2 3 3 9 Configuration Menu 2 3 3 10 2 3 3 11 22 The CONFIGURATION MENU is a level 4 menu Enter the configuration level password in order to display modify the parameters contained in this branch CONFIGURATION MENI CONFIGURATION Ent HARDWARE Ent The CONFIGURATION MENU contains the following e configuration parameters which determine the operation mode of the machine and the functionalities that are to be enabled or disabled e machine configuration wizard that sets the number of circuits compressors fans and protection devices
116. ow meter is continuously monitored after the chiller is started and the Flow meter start delay PAO1 has expired If the contact indicates a lack of flow the flow meter alarm is immediately triggered The compressors are not commanded when there is a flow meter alarm During normal operation the flow meter is constantly monitored If the contact signals a lack of flow for a period exceeding the value of parameter Flow meter alarm by pass PA02 the associated alarm is immediately triggered and all active compressors are switched off If the alarm persists for a time equal to the value of parameter Pump operating time at low water level PPO9 the pump is switched off and the alarm becomes a manual reset The pump is thus protected against potential operation without water The pump is restarted when the alarm is reset The flow meter alarm is an automatic reset alarm If it exceeds a given number of events within one hour Maximum number of flow alarms with auto reset PA03 it becomes a manual reset Unit ON OFF Flow Alarm ON EA PA02 PAO 5 9 Defrosting Management This procedure is only activated in the winter operating mode heat pump and when at least one compressor is switched on Defrosting is performed by intervening on the refrigerating circuit inverter valve If evaporation pressure temperature remains even if not continuously for a time interval equal to the value of parameter Defrosting enable delay Pd03
117. put used for flow control 0 NO Normally open 1 NC Normally closed NO NO 0 NC 1 IS V PH21 It sets the enabling of the sensor for entering water temperature detection incoming Yes 1 No 0 Yes 1 IS V PH22 It sets the enabling of the sensor for leaving water temperature detection outgoing in Circuit 1 Yes 1 No 0 Yes 1 IS V PH23 It sets the enabling of the sensor for leaving water temperature detection outgoing in Circuit 2 Yes 1 No 0 Yes 1 IS V PH24 It sets the enabling of the sensor for outdoor air temperature detection No 0 No 0 Yes 1 IS V PH27 It sets the enabling of the dynamic set point function No 0 No 0 Yes 1 IS V 52 1A76018 03 2011 Generic Start up Level 3 Installation Menu Submenu Various Parameters Code Parameter Description Default Min Max Units Menu Notes PH28 It sets the enabling of the secondary set point function by scheduler No 0 No 0 Yes 1 IS V PH30 Cancel alarm history NO 0 NO IS V Set SI 1 and wait for value NO 0 PH31 It sets the type of refrigerant used temperature pressure conversion 0 No refrigerant R22 R134a RA04A R407C RA10A 6 R507 O A OO N gt R404A IS V PH32 It sets
118. ration you need to switch off the machine and then switch on again to avoid the risk of malfunction 1A76018 03 2011 Diagnostics 6 Diagnostics The application is capable of managing a complete set of alarms related to compressors fans circuits and plant functions Depending on the various types of alarms it is possible to configure their resetting whether manual or automatic a possible notification delay and the actions to be taken in that specific case if any When one or more alarms are active the alarm icon flashes on the display In order to view the various alarms the Alarm menu must be displayed from the main page using ESC button followed by the ENTER button By pressing the ESC button from an alarm page or waiting for the 60 second timeout you are brought back to the application main page To scroll the various active alarms you must press the ENTER button again Alarms are listed in their order of priority as they are listed in the Alarm Table of chapter 7 2 All digital inputs related to the alarms are managed by an Alarm Logic parameter which has the following significance e f set to NO inputs will normally be de energized i e open N O logic e f set to NC inputs will normally be energized i e closed N C logic 6 1 Manual and Automatic Alarms There are 2 types of alarms those that are manually reset and those that are automatically reset These alarms offer you the choice of selecting
119. ration 120 1 999 Sec IS P PP03 off time in cyclical operation 120 1 999 Sec IS P Minimum interval which must elapse PP04 between pump start up and first 60 1 999 Sec IS P compressor PP05 Minimum interval which must elapse 60 4 999 Sec IS P between circuit shutdown and pump PP07 Shutdown of pump during defrosting No 1 No 0 Yes 1 IS P Difference in operating hours PP08 between the two pumps requiring 4 1 240 Hours IS P their being swapped PP09 Pump operating time at low water 15 0 999 Sec IS P flow flow alarm Pump operating time at low PP10 temperature of outflow water anti 15 0 999 Sec IS P frost alarm 4 2 1 6 Installation Control Configuration Parameters Level 3 Installation Menu Submenu Control Code Parameter Description Default Min Max Units Menu It sets the control type for compressor management POL 0 Lateral band 1 2 1 1 kah 1 Zero energy band PC12 Proportional band for lateral band 25 1 0 20 0 eC IS R control of compressors PC14 Zone value for neutral zone control of 3 0 PC45 PC46 C IS R compressors PC15 Minimum value of compressor zero 10 04 10 0 eC IS R energy band PC16 Maximum value of compressor zero 50 04 10 0 C IS R energy band Enabling release time for subsequent PC17 compressor step outside the zero 20 0 999 Sec IS R energy band 1A76018 03 2011 45 Generic Start up
120. requirements the relevant instructions must be followed Failure to use Schneider Electric software or approved software with our hardware products may result in injury harm or improper operating results Failure to observe this information can result in injury or equipment damage 2011 Schneider Electric All rights reserved 1A76018 03 2011 Table of Contents FE Safety Information EPI JJ JJ a a a UIDI 6 About the Book GN JJ JJ JJ EE 8 1 INTRODUCTION AHA nananana nnna 12 2 DESCRIPTION ceccccssccccsscesesseeseeseeseeseeseaeeeneaeeseeaeeseaaeeseaseesoaseeseaseeeoasessoaseceaeeseaneesoaseesoanes 13 2 1 Controller Hardware Ze KWA R ZA AAS N 6 KARE E 85 004 EE KEEN RRE EE CORTE TT CELI CRTC CETTE CELT ET OCR CETTE NANA NAGA 13 2 2 Parameter Key ARKAE WRX E 94 YR NRI NR 9 64 RR KOI NE ERP COED TCCEL ANNIE R 9 6 ANR RE RH EX ANR KRA YR NR ET CET IT CCE Tint 13 2 3 User Interfaces WRRREARNRRRER AREARRERESNESRKRNAREERWOBVEKOSKERRVERWERRRERERESRBEERRENRARKERREERRERERSSRRUERREGRRRRRESZSRRRARKERRNVIARRRRR VERE 14 2 3 1 Butong ina IL T T LT 14 2 3 2 Icons DESCRIPTION 2i ttd eoe bec etat eb bei qe be be daga oni ien ue etsi had 16 2 3 3 M tte n tee eee ee eeu eei e E 17 3 APPLICATIONS 11177 7 fqfqf1 fqffqcqiqqie aa aaa 24 3 1 Air Single Circuit Air to Water Chiller or Chiller HP Units UO Configuration 25 3 1 1 Machine Functional Dlagraiti itte rete er eoe ebbe Lenis Og E Rab eg 25 3 1 2 VO Gonfiguratiori EE 25 3 2 Water to Wa
121. rom a digital input No 0 No 0 Yes 1 GA It enables the change of PH08 summer winter operating mode No 0 No 0 Yes 1 IS V from digital input It enables the start up shutdown ERES of the machine by supervisor No 0 No 0 Yes 1 GA It enables the change of PH10 summer winter operating mode No 0 No 0 Yes 1 IS V Via supervisor 1A76018 03 2011 51 Generic Start up Level 3 Installation Menu Submenu Various Parameters Code Parameter Description Default Min Max Units Menu Notes PH15 It resets the factory set parameter defaults No 0 No 0 Yes 1 IS V Wait for the 0 value to be re read at the end of resetting PH16 It sets the logic used for the inverting valve 0 NO Normally open 1 NC Normally closed NO NO 0 NC 1 IS V PH17 It sets the logic of digital inputs used in alarm management 0 NO Normally open 1 NC Normally closed NC NO 0 NG 1 IS V PH18 It sets the logic of the relay used for alarms 0 NO Normally open 1 NC Normally closed NO NO 0 NC 1 IS V PH19 It sets the logic of the digital input used for the summer winter commutation 0 NO Normally open 1 NC Normally closed NO NO NC 1 IS V PH20 It sets the logic of the digital in
122. rtTempDynamicSPWinter 0 0 27 0 126 0 PC68 Start temperature dynamic setpoint winter HP R W 122 PC69_EndTempDynamicSPWinter 30 0 27 0 126 0 PC66 End temperature dynamic setpoint winter HP R W 123 PC71_FunctionLimitSetPoint 54 0 54 0 PC71 Function limit setpoint R W 124 PC72 FunctionLimitDiff 4 0 0 1 18 0 PC72 Function limit differential R W 125 PF07 Fan TonOther 10 999 PF07 Fan minimum time between 2 starts R W 126 PF08_Fan_ToffOther 20 999 PF08 Minimum time between 2 fan shutdown R W 127 PF10_ForcelnErrorProbe 0 00 0 00 100 00 PF10 Fan frequency in case of condensing sensor alarm R W 128 PF11_SetCond_Chiller 20 0 5 0 652 5 PF11 Setpoint condensation summer Chiller R W 129 PF12_DiffCond_Chiller 12 0 0 1 217 5 PF12 Differential condensation summer Chiller R W 130 PF14 SetForcingMaxCond Chiller 26 0 15 0 652 5 PF14 Setpoint maximum condensation summer Chiller R W 131 PF15 DiffForcingMaxCond Chiller 2 0 0 1 72 5 PF15 Differential maximum condensation summer Chiller R W 132 PF16_CoolingPI 999 PF08 Integral time for control of valves cooling R W 133 PF21_SetRegCond_HP 9 0 0 5 217 5 PF21 Setpoint condensation winter HP R W
123. s of those modifications on the machine or process should attempt to use this function Programming a controller in operation can present hazards to both equipment and personnel When the machine type is changed by modifying parameter PGOO or PG01 it is necessary to remove power from the controller and then reapply power to the controller This enables the unit to reconfigure itself correctly CAUTION LOSS OF CONFIGURATION e Thoroughly identify and understand all implications and consequences of program modifications before attempting them with a controller in a live application Remove power from the controller for at least 3 seconds after modifying machine configuration parameters Failure to follow these instructions can result in equipment damage S1A76018 03 2011 Applications A CHILLER AIR WATER CHILLER HP AIR PG00 23 PG00 4 Board Terminal Analog Inputs Controller Al 1 Mp D HP1 pressure sensor HP1 pressure sensor 0 10 V Al 2 NG LP1 pressure sensor LP1 pressure sensor 0 10 V Al 3 NTC Circ 1 Evap Leaving Temp Circ 1 Evap Leaving Temp Al 4 NTC Evap Entering Temp Evap Entering Temp Al 5 NTC Outdoor Air Temp Outdoor Air Temp Expansion Al 1 E HP2 pressure sensor HP2 pressure sensor 0 10 V Al 2 Na LP2 pressure sensor LP2 pressure sensor 0 10 V Al 3 NTC Circ 2 Evap Leaving Temp Circ 2 Evap Leaving Temp Board
124. s waiting for protection timings before switching On The status display shows WON e Off The status display shows OFF e Waiting to switch Off The fan is waiting for protection timings before switching Off The status display shows WOFF e Alarm The fan is in alarm status The status displays shows ALARM e Manual The fan is in manual operating mode The status display shows MANUAL In the Maintenance Operator menu through the parameters PM41 and PM42 it is possible to read the number of operating hours of the two fans To initialize these timings to O enter the value O using ENTER button 1A76018 03 2011 Control Functions 5 7 2 Fan Timings Below is a list of timings concerned with the management of fans Protection Timings The purpose of these delays is that of protecting fans from the various start up stresses to which they are subjected and of avoiding simultaneous start ups e PF07 Minimum time between start ups of different fans It determines the minimum time which must elapse between the start up of a fan and that of the next one e PF08 Minimum time between shutdowns of different fans It determines the minimum time which must elapse between the shutdown of a fan and that of the next one 5 7 3 Thermal Protection Inputs The program allows you to manage thermal protection for each of the fans configured within the application 5 8 Circulating Pump Management On air to water or water to water machi
125. splay only machine stop PAO09 Temperature alarm differential PA10 System start up alarm inhibition time These alarms are only detected when the machine is switched on 5 12 2 Management of Primary Exchanger Efficiency Alarm If the alarm ALO3 and AL 13 for Circuit 2 is enabled PA25 1 the difference between entering and leaving chilled water temperatures at the primary exchanger is checked This checking is to find out if the temperature difference is below a Primary exchanger difference minimum threshold PA26 for a By pass time for primary exchanger efficiency alarm PA27 This alarm is not managed during defrosting if sensors are in alarm status and the alarm is a manual reset alarm This alarm is detected only when the machine is on 5 13 Pressure Alarm Control 5 13 1 Management of High Pressure Pressure Switch Alarm 78 It is possible to monitor an excess of a maximum condensing pressure with the help of a digital input connected to an external pressure switch The high pressure alarm AL 11 and AL12 for Circuit 2 causes the immediate stopping of the refrigerating circuit also shutting down any compressors which may be on and inhibiting the start up of others This alarm is detected only when the machine is on This is a manual reset alarm 1A76018 03 2011 Control Functions 5 13 2 Management of High Pressure Transducer Alarm If condensing pressure exceeds a given threshold a high pressure alarm AL31
126. ssure switch valve modulating with a 0 10 V control generated signal Similarly the condenser control is performed to control the fan speed The condenser valve belongs to a proportional integral control type In order to utilize only a proportional control you need to set only the integral time to zero PF16 O PF26 0 Setting an integral time greater than zero provides a more precise control The integral part is to bring the output up to speed reducing the detected error introduced by the sole proportional component by default the integral component is disabled 5 6 4 Single Condenser On twin circuit machines you can choose only one circuit to manage condensation In order to enable this function it is necessary to set PG11 1 Condensing is performed by the fan in Circuit 1 using the highest of the condensing pressure temperature values acquired from the respective transducers The activated analog digital output is always the one related to Circuit 1 5 7 Fan Management This program manages up to 2 fans that is one for each circuit You can associate a diagnostic digital input to each fan and a digital output for on off switching 5 7 1 Fan Status 72 Each fan has an associated operating status in the status template of the main menu A fan can have the following status e Disabled The fan has not been configured the status display shows e On The status display shows ON e Waiting to switch On The fan i
127. start time PTO et eee el 00 00 00 23 59 59 OR l prog Working day T zone 1 0 20 0 20 0 C OR l cooling offset pros ila day Zane 0 20 0 20 0 C OR l heating offset PTO6 Working day 1 enable 0 0 4 E OR zone 2 proz NYerking day Tone 0 00 00 00 23 59 59 oR l start time Ee GE TEEN kg 00 00 00 23 59 59 OR proa sos day Taonga 0 20 0 20 0 C OR l cooling offset prion oring day 1 zonie 2 0 20 0 20 0 C OR l heating offset 54 1A76018 03 2011 Generic Start up RTC MENU This menu is accessible if PG03 1 Code Parameter Description Default Min Max Units Menu Notes PT11 Working day 2 enable 0 0 4 OR zone 1 prio orang day 2 zone 1 0 00 00 00 23 59 59 OR l start time Pde poy seer se kg 00 00 00 23 59 59 OR Sra Workingiday He 0 20 0 20 0 C OR l cooling offset Brio Io ee 0 20 0 200 Io l heating offset PT16 Working day 2 enable 0 0 1 OR y zone 2 praz VEER 0 00 00 00 23 59 59 OR l start time Pre OO eraser eK 00 00 00 23 59 59 OR EE JEE 0 200 200 Io l cooling offset pr2g A arking day 2 Zone 0 20 0 20 0 C OR l heating offset 0 none working day PT21 Monday schedule 1 0 2 OR Pe working day1 2 working day2 0 none working day PT22 Tuesday schedule 1 0 2 OR 17 working day1 2 working day2 0 none work
128. structions can result in death serious injury or equipment damage 1A76018 03 2011 About the Book Start up and Test Before using electrical control and automation equipment after design and installation the application and associated functional safety system must be subjected to a start up test by qualified personnel to verify correct operation of the equipment It is important that arrangements for such testing be made and that enough time is allowed to perform complete and satisfactory testing CAUTION EQUIPMENT OPERATION HAZARD e Verify that all installation and set up procedures have been completed e Before operational tests are performed remove all blocks or other temporary holding means used for shipment from all component devices e Remove tools meters and debris from equipment Failure to follow these instructions can result in injury or equipment damage Verify that the completed system including the functional safety system is free from all short circuits and grounds except those grounds installed according to local regulations If high potential voltage testing is necessary follow recommendations in equipment documentation to help prevent injury or equipment damage Operation and Adjustments Regardless of the care exercised in the design and manufacture of equipment or in the selection and ratings of components there are hazards that can be encountered if such equipment is improperly installed an
129. tart temperature dynamic setpoint Winter HP R W 122 PC69 EndTempDynamicSP Winter 30 0 27 0 126 0 PC66 End temperature dynamic setpoint winter HP R W 123 PC71 FunctionLimitSetPoint 54 0 54 0 PC71 Function limit setpoint R W 124 PC72_FunctionLimitDiff 0 1 PC72 Function limit differential R W 125 PF07 Fan TonOther 999 PF07 Fan minimum time between 2 starts R W 126 PF08 Fan ToffOther 20 999 PF08 Minimum time between 2 fan shutdown R W 127 PF10 ForcelnErrorProbe 0 00 0 00 100 00 PF10 Fan frequency in case of condensing sensor alarm R W 128 PF11_SetCond_Chiller 20 0 5 0 652 5 PF11 Setpoint condensation summer Chiller R W 118 S1A76018 03 2011 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 129 PF12 DiffCond Chiller 12 0 0 1 217 5 PF12 Differential condensation summer Chiller R W 130 PF14_SetForcingMaxCond_Chiller 26 0 15 0 652 5 PF14 Setpoint maximum condensation summer Chiller R W 131 PF15 DiffForcingMaxCond Chiller 2 0 0 1 72 5 PF15 Differential maximum condensation summer Chiller R W 132 PF16_CoolingPI 999 PF08 Integral time for control of valves cooling R W 133
130. tatusCompressors 0 0 0 6 Status compressor R W 504 StatusCompressors 1 0 0 6 Status compressor RAN 505 StatusCompressors 2 0 0 6 Status compressor R W 506 StatusCompressors 3 0 0 6 Status compressor RAN 507 UlstatusFan C1 0 0 6 Status fan C1 R W 508 UlstatusFan C2 0 0 6 Status fan C2 RAN 509 Pump1 Status 0 0 3 Status pump 1 R W 510 Pump2 status 0 0 3 Status pump 2 R W P7121 Daily 511 PT21 typeDay Monday 1 0 2 program Monday R W P722 Daily 512 PT22 typeDay Tuesday 1 0 2 program Tuesday R W P723 Daily 513 PT23 typeDay Wednesday 1 0 2 program R W Wednesday PT24 Daily 514 PT24 typeDay Thursday 1 0 2 program Thursday R W PT25 Daily 515 PT25_typeDay_Friday 1 0 2 program Friday R W P726 Daily 516 PT26 typeDay Saturday 0 0 2 program Saturday R W PT27 Daily 517 PT27 typeDay Sunday 0 0 2 program Sunday R W PCO01 Compressor rotation 518 PCO4 Cmp Rotation Type 0 0 3 A S E R W 2 FIFO Hr 3 LIFO Hr PC02 Compressors mode 519 PC02_CompressorsMode 0 0 1 twin circuit R W 0 balancing 1 7 saturation PCO09 Maximum 520 PC09 MaxNumEvHour 8 4 12 number of start ups R W for every hour S1A76018 03 2011 123 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 521 PC10 CompressorlnErrorProbe PC10 Number of compressors on for circuit during sensor inoperable R W 522 PC41_EnabPumpDown PC41 Enable pump down R W 523
131. tem clock is enabled S1A76018 03 2011 7 List of Modbus Variables List of Modbus Variables The application can be controlled through a supervisor using the Modbus protocol Communication takes place through an RS485 serial interface which is incorporated into the controller The various status parameters exported by the application are listed below 7 1 Modbus registers for TM168D23CHIL101 with BMS REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 1 CLOCK RTC Low 0 0 aba baa Real Time Clock RAW 2 CLOCK_RTC High bit0O DIO1 bit01 DIO2 bit02 DIO3 bit03 DI04 bit04 DIO5 bit05 DIO6 3 Packed_DI 0 0 65535 bit06 DIO7 R W bit07 DIO8 bit08 DIO9 bit09 DI10 bit10 DI11 bit11 DI12 bit00 DOO1 bit01 DOO2 bit02 DO03 bit03 DO04 bit04 DOOS bit05 DOO6 bit06 DOOT 4 Packed_DO 0 0 65535 bit07 DOOS R W bit08 DOOS9 bit09 DO10 bit10 DO11 bit11 DO12 bit12 D013 bit13 DO14 High pressure 5 Al1_PressureHP_C1 0 0 3276 8 3276 7 condenser circuit R O 1 Low pressure 6 Al2_PressureLP_C1 0 0 3276 8 3276 7 Condenser circuit R O 1 7 AI3 TempLeaving 0 0 3276 8 3276 7 pra leaving EO emperature Evaporator 8 Al4_TempEntering 0 0 3276 8 3276 7 entering R O temperature 1A76018 03 2011 91 List of Modbus Variables REGISTER VARS LIST
132. temperature falls below the Summer forced shutdown set point in the case of chiller operation or exceeds the Winter forced shutdown set point in the case of heat pump operation Compressors can be restarted only when the temperature crosses the set point once again e PC35 Forced shutdown enable e PC36 Summer forced shutdown set point e PC37 Winter forced shutdown set point 1A76018 03 2011 Control Functions 5 15 4 High Pressure Reduction at High Temperatures Chiller This control makes it possible for the refrigerating circuit to operate at a high outside air temperature The change of the high pressure alarm is carried out by the reduction of active power of the circuit e PC45 Pressure reduction enable at high temperatures e PC46 Pressure reduction set point at high temperatures e PC47 Pressure reduction differential at high temperatures e PC48 High external air temperature threshold e PC49 Minimum time for maintaining pressure reduction According to the number of configured compressors the power limiting percentage is calculated on the basis of this parameter e PC31 Power limiting for summer operation In order to enable this control the outdoor air temperature sensor PH24 must be enabled Ext air T Thresh Pressure Set point Set Diff HPHT PC49 This control can only be enabled in summer operating mode chiller 5 15 5 Low Pressure Partialization at Low Temperatures H
133. ter Single Circuit Chiller Units T Heat Pump SRRRSRRERERRRVRRERSERERARGRREERRESRERREREERVEFRRSRES 28 3 2 1 Machine Functional Diagramm 28 3 2 2 VO Configuration 1 NG etta led e ace eet de dae ae n egens 28 3 3 Air to Water Twin Circuit Chiller Units T Heat Pump TH 30 3 3 1 Machine Functional Diagramm 30 3 3 2 IO Configuration Using TM168D23 and TM168E17 sese eee 30 3 4 Water to Water Twin Circuit Chiller Units Heat Pump TETE PT ETO 34 3 4 1 Machine Functional Diagramm 34 3 4 2 O Gonfigurationi nome d mE eite e pet nadn 34 A GENERIC START UP 111111 8 AA Aa 38 4 1 Generic Start up Overview EIT AET T EAA TE TI E T PT IT 38 4 2 Generic Start up Detailed Menus EE 38 4 2 1 Parameters R L oo dt eet ite rA E LR sette Edi ME re gaas ao 38 1A76018 03 2011 4 3 Maintenance Menus ge Ee E E geg Ee AT TT Ce RER K 0 EE Ee n R NR RN NR ENS 57 4 3 1 Maintenance Operation Sub Menu see eee eee eee 57 4 3 2 Maintenance Manual Sub Menu 58 4 3 3 Maintenance Calibration Sub Men 59 5 CONTROL FUNCTIONS 17177777170 AA 60 5 1 Machine Status Eo EE E E E R EEE OE DAE E TIC NG NA EARN AGO Re el ER Ee NN NEEN NNN e Ka e e RER reer eerie NR ANER aa AK R Rg rr Ti 60 5 2 Operating Mode Control WRRRRRESFRRERECRRSRERRR ERRSKER RRRERRRERFERKSRREEROFRRRRWORESER ER RERSKRVPRKRRESESRRRRERRGRRRRRRRRASERRERRE 61 5 3 Setting the RTC Waaa Na TEL TELLE NN NR ER N R EA RER DD NEE DD AG OO GN WEE ON PA AA 62 54 Compressor Control NIE 62 5 4 1 EateraF B
134. that are to be used Once the configuration is complete a summary page is displayed showing the configured relays and digital inputs with an indication of any need to use an expansion The HARDWARE menu allows you to configure the type of sensors for analog inputs RTC Menu This menu contains Real Time Clock functionality of the system Alarms Menu This menu allows you to view and acknowledge the alarms Show ALARMS show HISTORY Em S1A76018 03 2011 2 3 3 12 Description The Show ALARMS sub menu shows you the active alarms Each time you press the DOWN button the next active alarm is shown If no alarm is present the message NO ALARMS is displayed The alarm can be acknowledged by holding down the ENTER button for 2 seconds when the alarm condition is no more active The Alarm History page shows the latest alarm To view the preceding alarm press ENTER button You can repeat this till the first alarm is displayed The history is visible in a circular manner By pressing the ESC button or after 60 seconds of no button activity the main page is displayed Project and Firmware Versions To view the project and firmware versions hold down the UP and DOWN buttons simultaneously for about 2 seconds Then press the ENTER button on the InFo label Information on the project and controller firmware versions is displayed sequentially Project Number lt gt Project Version lt gt Project Revision lt gt
135. the temperature measurement unit 0 Celsius 1 Fahrenheit IS V PH33 It sets the pressure measurement unit 0 Bar 1 psi 0 Bar IS V PH53 It sets the meaning of the Summer and Winter icons 0 Summer Cooling chiller mode Winter Heating heat pump mode 1 Summer Heating heat pump mode Winter Cooling chiller mode IS V PH61 It sets the logic of the digital input used for remote on off control 0 NO Normally open 1 NC Normally closed NO NO 0 NC 1 IS V PSd3 It sets the Installation Operator level password 999 9999 IS V S1A76018 03 2011 53 Generic Start up Level 3 Installation Menu Submenu Modbus Parameters Code Parameter Description Default Min Max Units Menu Notes PH11 Controller Modbus address 1 1 247 IS V Controller communication baud PH12 rate 1 2400 2 4800 3 3 1 4 IS V 9600 4 19200 Modbus parity 0 none 1 Odd PH13 9 Even 2 0 2 IS V l PH14 Modbus stop bit 0 1 bit 1 2 0 0 1 IS V bits 4 2 1 11 Scheduler Configuration Parameters RTC MENU This menu is accessible if PG03 1 Code Parameter Description Default Min Max Units Menu Notes PTO1 Working day 1 enable 0 0 1 l OR E zone 1 pro CEET 0 00 00 00 23 59 59 OR l
136. thin a time span of one hour If this limit is reached the regulator waits until the conditions are satisfied before switching that compressor on again Neutral zone timings These parameters are used to time the request for switching on off various compressors s PC17 Extra time for on off switching request 5 5 6 Thermal Protection Inputs This program manages the compressor thermal error detection switch input for each compressor You can set the type of reset manual or automatic as well as the triggering delay through parameters 5 6 Condenser Control 68 Condenser control manages the condensing pressure by modulating the air flow through an analog output inverter or phase cut or with a single stage fan for each circuit Condenser control is set by parameter PFO7 e PEUT 0 Single stage control e PEUT f Modulating control If parameter PF02 is set to O the control is independent of temperature control Otherwise fans are activated only if the controller requests the switching on of at least one compressor The parameter PF03 sets whether or not fans must switch off during the defrosting cycles If PF03 is set to 1 fans stop during defrosting If parameters PFO9 is set to 1 fans are forced in case of condensing sensor alarm with single stage control If the control is modulated the parameter PF10 sets the value to force 1A76018 03 2011 Control Functions 5 6 1 Modulating Fan Control Speed 100
137. those available from the second circuit so as to always have one circuit under full load provided no alarms have been activated 5 5 3 Pump Down Switch Off Procedure On machines with power above a certain limit and where there is a substantial amount of refrigerant the pump down procedure is necessary to partially empty the evaporator of excess refrigerant Therefore the solenoid valve situated upstream from the related evaporator is controlled in such a way that the compressor remains on for the time interval Compressor switch off delay in pump down parameter PC42 The solenoid valve is opened precisely at the same instant as the compressor start up In order to enable this function the following parameters must be set e PC41 1 Function enable e PC42 Pump down time Note In case of alarm the system must ignore the compressor switch off delay 5 5 4 Relative Threshold Pump Down If low pressure transducers are available you can carry out the pump down procedure leaving the compressor on only for the time necessary to empty a correct part of the refrigerant At the end of the request by the last compressor to be on from the affected evaporator the evaporation pressure value is stored the fluid solenoid valve is disabled and once the evaporation pressure value has fallen by the Pump down pressure differential PC43 the compressor is switched off There is always a compressor switch off delay in pump down either because the s
138. through the associated parameter the resetting mode that better reflects your own requirements 6 2 Manual Reset Alarms When a manual reset alarm is triggered the alarm icon starts flashing By pressing ENTER button from the ALARM menu code of the first active alarm is displayed Once the conditions which had triggered the alarm are back to normal the alarm can be manually reset To carry out this operation 1 Goto the page of the alarm to be reset 2 Hold down the ENTER button for about 2 seconds At this point in the absence of any further alarms the page showing none is displayed the alarm icon is switched off and the machine goes back to normal operation Otherwise the code relating to the next active alarm will be displayed The operational result of an active manual reset type of alarm continues until you delete the alarm message 6 3 Automatic Reset Alarms When an auto reset alarm is triggered the alarm icon starts flashing By pressing ENTER button from the ALARM menu code of the first active alarm is displayed After the conditions that had triggered the alarm are back to normal resetting and deletion of the alarm message automatically take place without your intervention 1A76018 03 2011 87 Diagnostics The operational result from an active auto reset alarm continues until you clear or reset the conditions that triggered the alarm 6 4 Alarm Table The alarms managed by the application are listed
139. tingHoursPump2 High E E PM40 68 PM40 Limit HourFan Low 2000 0 100000 Maintenance RAN interval fans 69 PMAO Limit HourFan High 70 PM41 OperatingHoursFan1 Low 0 0 100000 PM41 Operating Ryw hours fan 1 71 PM41 OperatingHoursFan1 High 4 72 PM42 OperatingHoursFan2 Low 0 0 100000 PM42 Operating Gw hours fan 2 73 PM42 OperatingHoursFan2 High d 74 PM90 Last maintenance Low 0 0 21474836 PM90 Last R W 47 maintenance 75 PM90_Last_maintenance High v PM61 Manual 76 PM61 ForzaturalnvFan C1 0 00 0 00 100 00 frequenoy R W condensing fan circuit 1 PM62 Manual 77 PM62_ForzaturalnvFan_C2 0 00 0 00 100 00 TI DC R W condensing fan circuit 2 PM81 Calibration 78 ian akp babaan E 0 0 36 0 36 0 HP pressure sensor R W C1 79 PM82_CalbrationPressureProbeLP _ 0 0 36 0 36 0 PM82 Calibration R W C1 LP sensor C1 80 PM83 CalibrationAI03 0 0 290 0 290 0 d Calibration BAY 81 PM84 CalibrationAl04 0 0 36 0 36 0 Payag Calibration Gun 82 PM85 calibrationAl05 0 0 36 0 36 0 STEE uewe Al05 1A76018 03 2011 115 List of Modbus Variables REGISTER VARS Addr Base 1 Name Value Min Max Description Mode 83 PMB86 CalbrationPressureProbeHP C2 0 0 36 0 36 0 PM86 Calibration HP pressure C2 R W 84 PM87 CalbrationPressureProbeLP C2 0 0 290 0 290 0 PM87 Calibration LP sensor C2
140. tpoint pyw summer Chiller 51 SPH1 Setpointlnverno 440 230 Va SERT Setpoint gy winter HP PMOO 52 PMOO Limit HourCmp Low 2000 0 100000 ER R W compressors 53 PMOO Limit HourCmp High S1A76018 03 2011 93 List of Modbus Variables REGISTER VARS LIST Addr Name Value Min Max Description Mode Base 1 54 PM01_OperatingHoursComp1 Low 0 0 100000 RMB tz operaang R W hours comp 1 55 PM01 OperatingHoursComp1 High e x 2 56 PM02 OperatingHoursComp2 Low 0 0 100000 d Operating R W ours comp 2 57 PM02 OperatingHoursComp2 High z lt 7 58 PM03 OperatingHoursComp3 Low 0 0 100000 PMOS Operating R W hours comp 3 59 PM03_OperatingHoursComp3 High S 2 60 PM04 OperatingHoursComp4 Low 0 0 100000 EMO Operating R W hours comp 4 61 PM04 OperatingHoursComp4 High z E PM30 62 PM30_Limit_HourPump Low 2000 0 100000 Maintenance R W interval pumps 63 PM30 Limit HourPump High S E 64 PM31 OperatingHoursPump1 Low 0 0 100000 ENS he petaling R W hours pump 1 65 PM31 OperatingHoursPump1 High E 2 66 PM32 OperatingHoursPump2 Low 0 0 100000 piss Operating R W hours pump 2 67 PM32 OperatingHoursPump2 High S z PM40 68 PM40 Limit HourFan Low 2000 0 100000 Maintenance R W interval fans 69 PM40 Limit HourFan High 70 PM41_OperatingHoursFan1 Low 0 0 100000 E
141. tput 5 6 2 Single Stage Fan Control This control manages a single stage control of condenser fans by a digital output for each fan The condenser fan is switched on when the condenser pressure exceeds condenser set point condenser pressure differential The condenser fan is switched off when the condenser pressure falls below the condenser set point This is evident in the graph below PF11 Summer condensation Fan PLE control set point ON r l l PF12 Summer condensation control differential OFF PF11 PF11 PF12 Pressure Mode Operating mode 0 Summer PF11 Summer condenser control set point SP PF12 Summer condenser control differential The condenser fan is switched on when the condenser pressure falls below condenser set point condenser pressure differential The condenser fan is switched off when the condenser pressure exceeds the condenser set point F SS PF21 Winter condensation ON control set point PF22 Winter condensation control differential OFF PF11 PF22 PF21 Pressure Mode Operating mode 1 Winter PF21 Winter condenser control set point SP PF22 Winter condenser control differential S1A76018 03 2011 71 Control Functions 5 6 3 Condenser Valve Control During summer operation on water to water machines the water feeding in the condensing circuit is controlled based on the condensing pressure through a valve This can be a 2 way solenoid or motor operated pre
142. tter manner 2 LIFO This method follows the Last In First Out logic The last compressor to be switched on will be the first to be switched off 3 FIFO Number of operating hours This type of rotation compares the number of operating hours of various compressors During the switch on the compressor with the least number of operating hours is given preference During switch off priority is given to the compressor with largest operating hours To choose between compressors with the same operating hours a FIFO rotation is triggered see the previous FIFO case 4 LIFO Number of operating hours This type of rotation compares the number of operating hours of various compressors During the switch on the compressor with the least number of operating hours is given preference During switch off priority is given to the compressor with largest operating hours To choose between compressors with the same operating hours a classic LIFO rotation is triggered 1A76018 03 2011 Control Functions On twin circuit machines you can decide how the steps requested by thermal control are to be shared between the two circuits based on parameter PC02 s PC02 0 Circuit balancing The system requests a step per circuit alternatively so as to balance loads between the two circuits provided no alarms have been activated e PC02 1 Circuit saturation The system requests all the available steps from the first circuit and then all
143. um 2 Default value 1 Also see the Generic Start up page 38 1A76018 03 2011 27 Applications 3 2 Water to Water Single Circuit Chiller Units Heat Pump 3 2 1 Machine Functional Diagram et sno nd 3 2 2 I O Configuration 28 Implementing I O configuration through controller parameters Single circuit water to water units PG01 7 Program modifications in a controller that is in operation can have serious consequences to the operation of a machine or process Only those who understand the implications in the intended modifications and who understand the consequences of those modifications on the machine or process should attempt to use this function Programming a controller in operation can present hazards to both equipment and personnel When the machine type is changed by modifying parameter PGOO or PG01 it is necessary to remove power from the controller and then reapply power to the controller This enables the unit to reconfigure itself correctly CAUTION LOSS OF CONFIGURATION e Thoroughly identify and understand all implications and consequences of program modifications before attempting them with a controller in a live application Remove power from the controller for at least 3 seconds after modifying machine configuration parameters Failure to follow these instructions can result in equipment damage 1A76018 03 2011 Applications
144. understand all implications and consequences of program modifications before attempting them with a controller in a live application Remove power from the controller for at least 3 seconds after modifying machine configuration parameters Failure to follow these instructions can result in equipment damage A CHILLER AIR WATER MATER HP AIR Ka PG00 z2 Board Terminal Analog Inputs Controller Al 1 Na ak HP1 pressure sensor HP1 pressure sensor 0 10 V Al 2 Sci de LP1 pressure sensor LP1 pressure sensor 0 10 V Al 3 NTC Circ 1 Evap Leaving Temp Circ 1 Evap Leaving Temp Al 4 NTC Evap Entering Temp Evap Entering Temp Al 5 NTC Outdoor Air Temp Outdoor Air Temp Expansion AI 6 E ab HP2 pressure sensor HP2 pressure sensor 0 10 V Al 7 c LE LP2 pressure sensor LP2 pressure sensor 0 10 V Al 8 NTC Circ 1 Evap Leaving Temp Circ 1 Evap Leaving Temp S1A76018 03 2011 31 32 Applications CHILLER AIR WATER CHILLER HP AIR WATER EEN PG00 2 Board Terminal Digital Inputs Controller DI 1 NO NC Comp1 alarm 1 Comp1 alarm 1 DI 2 NO NC Comp2 alarm 1 Comp2 alarm 1 DI 3 NO NC HP alarm 1 HP alarm 1 DI 4 NO NG ni di 1 HW Fan VSD 1 rT 1 HW Fan VSD 1 DI 5 NO NC Evaporator flow switch Evaporator flow switch DI 6 NO NC Cooling Heating DI 7
145. witch off pressure threshold has not been reached or the evaporation sensors are inoperable In order to enable this function the following parameters must be set e PC41 2 Function enable e PC42 Pump down time e PC43 Pump down differential Note In case of alarm the system must ignore the compressor shutdown delay S1A76018 03 2011 67 Control Functions 5 5 5 Protection Timings The purpose of these timings is to protect the mechanical units from various start up stresses to which they are subjected e PCO04 Compressor minimum ON time Once activated a compressor must remain on for this time interval before it can be switched off again e PC05 Compressor minimum OFF time This is the minimum time interval that must elapse before the compressor can be switched on again e PCO06 Minimum time between switching ON of the same compressor It determines the minimum time which must elapse between two switching on of the same compressor e PCO7 Minimum time between switching ON of different compressors It determines the minimum time which must elapse between the switching on of a compressor and that of the next one e PCO08 Minimum time between switching OFF of different compressors It determines the minimum time which must elapse between the switching off of a compressor and that of the next one e PC09 Maximum number of compressor start ups within one hour This determines the maximum number of switching on wi

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