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Electronic controller Carel μGEO for heat pumps User manual

1. display parameter type min max UOM variat def visibility superv Modbus var type code Variable c01 Minimum switch on time U 0 999 sec 1 60 25 R W 232 Integer c02 Minimum switch off time U 0 999 sec 1 60 26 R W 233 Integer c03 Delay between 2 switch ons of the same U 0 999 sec 1 360 27 R W 234 Integer compressor c04 Switch on delay between 2 compressors U 0 999 sec 1 10 28 R W 235 Integer c05 Switch off delay between 2 compressors U 0 999 sec 1 0 29 R W 236 Integer c06 Delay at switch on U 0 999 sec 1 0 30 R W 237 Integer c07 Compressor switch on delay at pump delivery U 0 999 sec 1 20 31 R W 238 Integer fan start up c08 Pump delivery fan switch off delay on compressor U 0 150 min 1 1 32 R W 239 Integer switch off c09 Tempo massimo funzionamento compressorein U 0 60 min 1 0 33 R W 240 Integer tandem c10 Compr 1 timer D 0 8000 1000re 0 116 R 116 Analog c11 Compr 2 timer D 0 8000 1000re l 0 117 R 117 Analog c14 Functioning timer threshold U 0 100 100 Ore 1 0 34 R W 241 Integer c15 Evaporator pump fan 1 timer D 0 8000 100 0re 0 118 R 118 Analog c16 Condenser pump backup fan 2 timer D 0 8000 100Ore l 0 119 R 119 Analog c17 Minimum time between two pump switch ons U 0 150 Minuti 1 30 35 R W 242 Intege
2. SW HOT Resistances Antifreeze Auto switch on A10 1 A06 0 A06 1 Defrost A06 0 A06 1 Sum B2 lt A4 B2 lt A4 B2 lt Al B3 lt A4 B2 lt A4 Win B3 lt A8 B3 lt A8 B2 lt Al B3 lt A4 B2 lt A4 Sum B2 lt A4 B2 lt A4 B2 lt Al B3 lt A4 B2 lt A4 Win B3 lt A8 B3 lt A8 B2 lt Al B3 lt A4 B2 lt A4 Tab 4 b Second load SW HOT Resistances Antifreeze Auto switch on A10 1 A06 0 A06 1 Defrost A06 0 A06 1 Sum Win BI lt A11 B1 lt A11 Sum Win B1 lt A11 B1 lt A11 Tab 4 c Antifreeze alarm set point limit A07 Establishes the minimum limit for setting the antifreeze alarm set point A01 Support resistance in heating mode for second load A08 This parameter has value for second load heat pump mode as additional heating for the utility B3 or B2 and using the same resistance used for the anti freeze but obviously with a different set i e support In defrosting mode for air water unit the resistance heats the evaporator while it is cooled by the chilling cycle with a set point alternative above A4 set for the anti freeze The set point is considered absolute or relative depending on parameter r43 Support resistance differential in heating mode A09 Represents the differential for the activation deactivation of the support resistance in heating mode Automatic start for antifreeze A10 This function is valid when the unit is in standby The operating mode switchover delay times are ignored e A10
3. alarm IEJ parameters H m BBS unit setting er an parameters F defrost s N e parameters value F1 fa parameters F1 canne level value F1 Sho E parameters Fn Fig 5 a 25 man uGEO 030220831 rel 2 0 15 10 2008 Parameter tables The following tables show the parameters divided by type family e g compressor probes fans etc Keyto the parameter tables Type S super user F factory D direct Visibility The visibility of some groups depends on the type of controller and the value of the parameters D defrost if DO1 1 F fan if FO1 1 L low noise if F15 1 3 N NTC probe if 04 08 2 P pressure if 04 08 3 V driver if HO8 1 M pump down if D17 1 W watch if the clock board is fitted always present Supervisor variables R supervisor read only param RAW supervisor read write param UOM unit of measure Evaporator and condenser temperature and pressure values d CAREL display parameter type min max UOM variat def visibility superv Modbus variable code variable type dtE Value ofthe current DTE D 0 0 0 99 R 99 Analog dC1 Value of the current DTC1 D 0 0
4. Operating conditions OT50 C r H lt 90 non condensing Storage conditions 20T70 C r H lt 90 non condensing Case Plastic dimensions 42x105x18 mm including prod and connector Figs 1 and 2 Table 7 d The operation takes maximum 10 seconds to complete If after this period the completed operation signal hasn t yet appeared i e the green LED ON try releasing and pressing the button again In the event of flashes refer to the corresponding table for the meaning of the signals OFF ON o e a In a Here we have dealt only with the base functions of the instrument For the remaining specific functions see the manual of the instrument that is being used 7 9 RS485 serial options RS485 serial option for uC SE panel version code MCH2004850 The MCH2004850 serial option is used to connect the uC SE controller to a supervisor network via a standard RS485 serial line This option uses the input normally associated with the programming key which has the dual function of key connector serial communication port Fig 7 h b man uGEO 030220831 rel 2 0 15 10 2008 42 CAREL 7 10 Terminals The uGEO features the following user interfaces UAD UAD is the UGEO room terminal This terminal fitted with built in temperature and humidity probes controls the temperature humidity conditions in the environment where its is installed interacting with the units controlled by the UGEO
5. ON OOS OFF C7 t Fig 4 h Key 1 outlet fan 4 delay between pump outlet 2 pump fan and compressor 3 compressor Pump stop delay from compressor OFF c08 In cooling and heating operation if the operation of the pump is subject to the controller parameter H05 H25 2 when the compressor is requested to stop the control first stops the compressor and the pump If the pump outlet fan is always ON HO5 H25 1 it is only stopped in standby mode CAREL ON O OFF ON OFF Fig 4 i Key 1 compressor 2 pump 3 delay between pump outlet fan and compressor Maximum tandem compressor operating time c09 In the case of two compressors in tandem one compressor should not operate for longer than the time set for c09 while the other compressor in the circuit is OFF This prevents the oil shared in common from migrating over the allowed limit towards the active compressor and consequently avoids damage when inactive compressor next starts FIFO logic due to poor lubrication As a result compressor 1 or 2 if requested to operate continuously will actually stop OFF after the time c09 and hand over to compressor 2 or 1 that was previously OFF This function always considers the compressor times Any value lower than the time set for c03 will be ignored and the compressors if the above condition is satisfied will switch over after the time c03 When C9 0 the function is disabled the compressors w
6. The uAD can be used to set time bands the temperature and humidity set point switch the system on off and change operating mode simply and intuitively Fig 7 k Product code ADMA001000 with NTC probe ADMB001010 with NTC probe RTC and buzzer ADMG001010 with NTC and humidity probe RTC and buzzer ADMH001010 with NTC and humidity probe RTC buzzer and backlighting For further information see the instruction sheet 05000750 and the manual 030220465 43 man UGEO 030220831 rel 2 0 15 10 2008 CAREL 8 TECHNICAL SPECIFICATIONS Group A is defined in the following specifications as the grouping of the following outputs valve pump compressor heater Power supply 24 Vac range 15 10 50 60 Hz Maximum current output 3 W Fuse to be fitted in series with the power supply of the uC2 315 MAT 12 pin connector Max current 2 A for each relay output extendable to 3 A for one output Relays Max current at 250 Vac EN60730 Resistive 3 A Inductive 2 A cos j 0 4 60000 cycles UL Resistive 3 A 1 FLA 6 LRA cos j 0 4 30000 cycles For further information refer to the characteristic shown in Fig 9 a Minimum interval between switching cycles each relay 12 s the manufacturer of the unit that the device is built into must ensure the correct configuration to respond to this specification Type of micro switching of the relay 1 C Insulation between relays in group A fu
7. EPb the controller will not operate ESP communication error with expansion card If the controller loses communication with the expansion card the entire system will be stopped to avoid adversely affecting the unit The alarm relay is activated and the display will show the message with the red LED on steady man uGEO 030220831 rel 2 0 15 10 2008 EL 1 warning zero crossing error If the controller detects errors in the power supply control may be lost over the fan pump speed In this case the display will show a warning and the fan pump will be controlled at maximum speed The alarm is reset automatically so as to not affect the operation of the unit If the expansion card is used the warning relay is activate dF1 warning end defrost due to maximum time If the defrost ends after the maximum time when end defrost by temperature or from external contact has been selected the unit displays the text dF1 The message is cancelled using the delete alarm procedure or when the next correct defrost cycle is completed A1 antifreeze alarm outlet limit The alarm is only detected in water chillers by the evaporator water outlet probe B2 The compressors and the condenser fan pump is immediately stopped the buzzer and alarm relay are activated and the display starts flashing If the UGEO is in Standby the alarm condition is not detected and only the heaters are managed Reset depends on parameter P5 in the event of
8. uGEO CAREL Electronic controller for heat pumps with 1 2 compressors one circuits EE d Enc User manual LEGGI E CONSERVA gt QUESTE ISTRUZIONI lt READ AND SAVE THESE INSTRUCTIONS Technology amp Evolution CAREL IMPORTANT WARNINGS CAREL bases the development of its products on decades of experience in HVAC on the continuous investments in technological innovations to products procedures and strict quality processes with in circuit and functional testing on 100 of its products and on the most innovative production technology available on the market CAREL and its subsidiaries nonetheless cannot guarantee that all the aspects of the product and the software included with the product respond to the requirements of the final application despite the product being developed according to start of the art techniques The customer manufacturer developer or installer of the final equipment accepts all liability and risk relating to the configuration of the product in order to reach the expected results in relation to the specific final installation and or equipment CAREL may based on specific agreements acts as a consultant for the positive commissioning of the final unit application however in no case does it accept liability for the correct operation of the final equipment system The CAREL product is a state of the art product whose operation is specified in the technical documentation supplied wi
9. 0 100 R 100 Analog dC Value of the current DTC2 D 0 0 0 101 R 101 Analog Tab 5 b Probe setting parameters display parameter type min max UOM variat def visibility superv Modbus var type code Variable 01 Probe type B1 F 0 1 Flag 1 1 1 R W 1 Digital 0 Not Fitted 1 Fitted 02 Probe type B2 F 0 1 Flag 1 1 2 R W 2 Digital 0 Not Fitted 1 Fitted 03 Probe type B3 F 0 1 Flags 1 1 12 R W 12 Digital 0 Not Fitted 1 Fitted 04 Probe type BA F 0 1 Int 1 0 g 13 R W 13 Digital 0 Not Fitted 1 Fitted 05 Probe type B5 expansion F 0 1 Flag 1 0 X 3 R W 3 Digital 0 Not Fitted 1 Fitted 06 Probe type B6 expansion F 0 1 Flag 1 0 x 4 R W 4 Digital 0 Not Fitted 1 Fitted 07 Probe type B7 expansion F 0 1 Int 1 0 X 28 R W 28 Digital 0 Not present 1 Fitted 08 Probe type B8 expansion F 0 1 Int 1 0 x 29 R W 29 Digital 0 Not Fitted 1 Fitted 09 Minimum input voltage value F 0 10 Vdc 100 1 50 P 18 R W 225 Integer 10 Maximum input voltage value F 09 1500 Vdc 100 1 450 P 19 R W 226 Integer 11 Minimum pressure value F 0 12 Dbar 0 1 0 P 1 R W 1 Analog 12 Maximum pressure value F 11 1999 Dbar 0 1 345 P 2 R W 2 Analog Als Calibration of probe B1 F 120 120 SE 0 1 0 3 R W 3 Analog 14 Calibration of probe B2 F 120 20 Gr 0 1 0 4 R W 4 Analog 15 Calibration of probe B3 F 120 120 C F 0 1 0 5 R W 5 Analog 16 Calibration of probe B4 F 120 120
10. C bar F 0 1 0 6 R W 6 Analog 17 Calibration of probe B5 F 120 120 C F 0 1 0 x 7 R W 7 Analog 18 Calibration of probe B6 F 120 120 C F 0 1 0 x 8 R W 8 Analog 719 Calibration of probe B7 F 51201120 GE 0 1 0 X 9 R W 9 Analog 20 Calibration of probe B8 F 120 120 C bar F 0 1 0 x 10 R W 10 Analog 21 Digital filter U 1 15 1 A 20 R W 227 Integer 22 Input limitation U 1 15 1 8 21 R W 228 Integer 23 Unit of measurement U 0 1 Flag 1 0 5 R W 5 Digital 0 C 1 F Tab 5 c man uGEO 90930220831 rel 2 0 15 10 2008 26 CAREL Antifreeze support heater setting parameters A display parameter type min max UOM variat def visibility superv Modbus var type code Variable A01 Set anti freeze alarm U AQ7 JA04 C F 0 1 30 11 R W 11 Analog A02 Anti freeze differential U 3 1220 C F 0 1 50 12 R W 12 Analog A03 Anti freeze low environment temperature alarm U 0 150 sec 1 0 22 R W 229 Integer by pass time on switch on of the machine in winter A04 Set anti freeze support resistance U A01 r16 EA 0 1 50 AA 13 RAV 13 Analog A04 Anti freeze support resistance set differential U 0 200 C F 0 1 70 AR 77 R W 77 Analog A05 Anti freeze support resistance differential U 3 500 C F 0 1 10 14 R W 14 Analog A06 Probe
11. 0 function not enabled A10 gt 0 In stand by mode the system is working in the SL circuit A10 1 Support resistances and pump are switched on at the same time on the basis of A4 A10 2 Pump and support resistance switched on on the basis of the respective set A4 or A8 If the temperature drops below the anti freeze alarm set A1 the machine is switched on in heating mode adjusting the steps compressors on the basis of the set Al and differential A2 in proportional mode This mode ends automatically when the anti freeze set A1 the differential A2 are reached returning to the previous mode it is however possible to end the operation in advance by modifying the parameters or removing the power supply from the device Defrosting is disabled In this case the display shows the following Season LED off The summer winter flag does not switch therefore the supervisor does not detect this Mode Compressor adjustment becomes proportional with or without dead zone r7 different from 0 11 A10 3 The support resistance is switched on on the basis of A4 according to the settings of the anti freeze or support resistances in the case of 2 evaporators will be adjusted on the basis of its own probe B2 B6 Auxiliary heater in DHW circuit set point A11 Set point for the DHW circuit heater in heating mode the control of the auxiliary heaters has been separated each having its own activation set point see A08 Differential
12. 1 In the case of ON OFF control it represents the temperature or pressure above which the fans are switched OFF Fig 5 a k For capacity control for low pressure this represents subtracted from F08 the pressure limit below which the step disabled during capacity control is re activated man uGEO 030220831 rel 2 0 15 10 2008 Temperature pressure differential for fans pumps Off in heating F10 If fan pump speed control is used this represents the temperature or pressure differential in reference to F08 above which the fans pumps are stopped The fans pumps are started 1 C lower if using NTC temperature probes or 0 5 bars lower if using pressure probes When using NTC temperature or pressure probes for condenser control the fans pumps are started with an hysteresis of 1 C or 0 5 Bar Fan pump start time F11 This establishes the operating time at maximum speed when the fans pumps are started so as to overcome the mechanical inertia of the motor The same times are observed in reference to the start of the compressor irrespective of the condensing temperature pressure if NTC temperature probes are used on the condenser and speed control is enabled F02 3 this is done to bring forward the sudden increase in pressure which does not necessarily correspond to a likewise rapid increase in temperature in the area where the probe is located and consequently to improve control F11 0 the function is disabled that is t
13. 1 1 0 74 R W 74 Digital Digital output 9 D 0 1 1 0 75 R W 19 Digital Digital output 10 D 0 1 1 0 76 R W 76 Digital Password for output command from supervisor ID 0 8000 1 0 13 RAV 220 Integer Defrost State D 0 255 0 134 R 341 Integer bit0 Defrost circuit 1 bit1 Defrost circuit 2 bit2 Fan Defrost circuit 1 bit3 Fan Defrost circuit 2 Commands from the uAD D 0 1023 1 0 135 R W 1342 Integer bitO terminal state 0 not connected 1 present bit2 bit1 mode set from uAD 00 AUTO 01 summer 10 winter bit3 enabling of de humidification bit4 enabling of humidification bit5 terminal probe alarm bit6 boiler output activation bit7 0 process mode activated 1 process mode disabled bit8 not used bit9 reset alarms Signals for uAD D 0 255 0 136 R 343 Integer bit0 summer winter request from HAD in action bit1 sum win request accepted from uAD 1 summer 0 winter bit2 fan switch on bit3 alarm active on UC bit4 RTC presence on uC SE Value of the DTE saved in EEPROM D 0 0 0 98 R 98 Analog Set internal compensate in case of autotuning D 0 0 0 97 R 97 Analog man uGEO 030220831 rel 2 0 15 10 2008 34 CAREL display parameter type min max UOM variat def visibilty superv Modbus var type code Variable Environment set point from uAD D 400 1760 0 1 0 95 R W 95 Analog set variation from uAM u edronic D 100 100 0 1 0 96 R W 96
14. 20 37 R W 37 Analog H15 Pump down maximum time F 0 180 sec 1 30 61 R W 268 Integer H16 Auto tuning activation F 0 1 1 0 22 R W 22 Digital H17 Minimum allowed DTE value 0 1760 C F 0 1 0 68 R W 68 Analog H18 Maximum allowed DTE value i 0 1760 CF 0 1 800 69 R W 69 Analog H19 Maximum allowed DTC value F 0 1760 C F 0 1 800 70 R W 70 Analog H22 Disabling of default restore F 0 1 flag 1 0 18 RAW 18 Digital 0 Function disabled 1 Function enabled H23 Enabling Modbus F 0 1 flag 1 0 11 R W 11 Digital H24 priority of the control F 0 1 flag 1 0 25 R W gt Digital 0 sanitary water heating mode 1 second load Tab 5 i Firmware parameters F r display parameter type min max UOM variat def visibility superv Modbus var type code Variable H99 Software version to display on start up ofthe D 0 999 Jint 10 a 1 R 208 Integer instrument H98 Expansion software version D 0 999 int 0 x 2 R 209 Integer H97 Driver 1 software version D 0 999 Int 0 V 3 R 210 Integer Tab 5 j man uGEO 030220831 rel 2 0 15 10 2008 30 CAREL Alarm setting parameters P display parameter type min max UOM variat def visibility superv Modbus var type code variable PO Flow meter alarm delay on pump start up U 0 150 sec 1 20 l 63 R W 270 Integer PO2 Flow meter alarm delay in n
15. Analog Differential for environment set point D 100 100 0 1 0 94 R W 94 Analog Commands from the uAD to save D 0 32767 1 0 137 R W 1344 Integer Signals of active alarms D 0 32767 1 0 128 R W 1335 Integer bit0 Probe alarm E1 E2 E3 E4 E5 E6 E7 E8 bit1 High Pressure Alarm HP1 HP2 bit2 Low Pressure Alarm LP1 LP2 bit3 Flow Meter Alarm FL bit4 Expansion Communication Alarm ESP bit5 EE2PROM Alarm EPB bit6 Anti freeze alarm A1 A2 bit7 Crcuit breaker alarm TP TP1 TP2 bit8 Timer alarm H1 H2 H3 H4 Humidity terminal probe for uAD terminal D 0 1000 0 1 0 129 R W 1129 Analog Allarm Reset D 0 1 1 0 78 R W 78 Digital Ingresso digitale B1 D 0 1 a 0 79 R 79 Digital Firmware release of GEO D 0 999 0 118 R 325 Integer Model for uAD D 0 5 1 3 62 R W 269 Integer Tab 5 n 35 man uGEO 030220831 rel 2 0 15 10 2008 CAREL 6 ALARMS AND SIGNALS 6 1 Alarms and signals display buzzer and relay Key to the table of alarms if the probe is set for the compensation function in the event of probe faults the unit continues to operate ON if the expansion card is not present EVD 1 EVD400 connected to uGEO alarm alarm type resetting compressor pump fan heater valve alarm warning super superv variab variab display var
16. Analog r03 Winter Set Point D r15 irio CE 0 1 400 43 R W 43 Analog r04 Winter Differential D 3 500 C F 0 1 30 44 RAW 44 Analog r05 Compressors rotation F 0 3 Flag 1 0 78 R W 285 Integer 0 Disabled 1 FIFO 2 With hour control 3 D l and D O compressors direct correspondence only for motor condensers r06 Type of adjustment compressor use F 0 4 Flag 1 0 a 79 R W 286 Integer 0 Proportional input 1 Proportional input Neutral zone 2 Proportional output 3 Proportional output Neutral zone 4 timed output with neutral zone r07 Neutral zone differential F 1 500 C FF 0 1 20 45 R W 45 Analog r13 Set summer minimum U 400 r14 CT 0 1 400 47 R W 47 Analog r14 Set summer maximum U 13 11760 ICE 0 1 800 48 R W 48 Analog r15 Set winter minimum U 400 r16 CF 0 1 400 49 R W 49 Analog r16 Set winter maximum U r15 11260 C F 0 1 800 50 R W 50 Analog r17 Summer compensation constant U 50 150 0 1 0 5 51 R W 51 Analog r18 Maximum distance from the set point U 2 200 I F 0 1 3 52 R W 32 Analog r19 Compensation start temperature in summer U 400 1760 C F 0 1 300 53 RAV 53 Analog r20 Compensation start temperature in winter U 400 1760 C F 0 1 0 54 R W 54 Analog r21 Second summer set point from external contact D r13 r14 C F 0 1 120 55 R W 55 Analog r22 Second winter set point from external c
17. ESP Expansion error Circ 1 Alarm Al Antifreeze alarm outlet limit Gen Alarm EHS High power supply voltage Evd 1 Alarm Ed EVD1 Tlan error OFF SH1 EVD1 overheating alarm Evd 1 Alarm EP1 Eeprom EVD 1 error Evd 1 Alarm ES1 EVD 1 probe error Evd 1 Alarm EU1 EVD 1 valve open on start up error Evd 1 Alarm Eb1 EVD 1 battery alarm uAD probe alarm Et uAD terminal probe alarm Tab 4 e Start hours for 2nd set point in cooling t06 192 Hour when the second cooling set point starts r21 Start minutes for 2nd set point in cooling t07 193 Minutes when the second cooling set point starts r21 End hours for 2nd set point in cooling t08 194 Hour when the second cooling set point stops r21 End minutes for 2nd set point in cooling t09 195 Minutes when the second cooling set point stops r21 Start hours for 2nd set point in heating t10 196 Hours when the second heating set point starts r22 Start minutes for 2nd set point in heating t11 197 Minutes when the second heating set point starts r22 man uGEO 030220831 rel 2 0 15 10 2008 24 CAREL End hours for 2nd set point in heating t12 198 Hours when the second heating set point stops r22 End minutes for 2nd set point in heating t13 199 Minutes when the second heating set point stops r22 If a digital input is configured as the second set point from external contact e g p08 13 the time bands are ignored If a digital input is configured a
18. ON the display shows the message D1 Driver All the driver alarms on the uGEO that stop the unit feature automatic reset Consequently the possibility to select the automatic resetting of the entire system must be selected for the drivers by setting the corresponding parameters The uGEO can send the Go Ahead command according to the normal procedure for resetting the alarms from the keypad man uGEO 030220831 rel 2 0 15 10 2008 38 CAREL Ed1 tLan communication error with Driver The alarm is generated after a fixed time 5 s from when the uGEO loses contact with Driver In this case the device is disabled for safety reasons SH1 low superheat alarm The low superheat alarm after a fixed time 5 s inhibits the device for Safety reasons The risk is that the compressors will flood nO1 MOP warning maximum operating pressure The warning appears on the display and the corresponding relay is activated LO1 LOP warning lowest operating pressure The warning appears on the display and the corresponding relay is activated HA1 high evaporator temperature warning The warning appears on the display and if the expansion card is fitted the corresponding relay is activated EP1 EEPROM error driver The device is disabled for safety reasons as the status of Driver is not known ES1 probe error driver The divice is disabled for safety reasons as the status of Driver is not known EU1 EVD error v
19. Triac F 0 FO4 step 1 35 F 49 R W 256 Integer F04 Maximum voltage threshold for Triac F FO3 1100 step 1 75 F 50 R W 257 Integer FO5 Set point for minimum speed in summer mode U 11 1 12 dbar 0 1 130 FP 23 R W 23 Analog pressure FO5 Set point for minimum speed in summer mode U 400 1760 C F 0 1 350 FN 24 R W 24 Analog temperature FO6 Differential for max speed in summer mode U 0 300 dbar 0 1 30 FP 25 R W 25 Analog pressure FO6 Differential for max speed in summer mode U 0 00 OAF 0 1 100 IFN 26 R W 26 Analog temperature FO7 Differential for switch off in summer mode U 0 FO5 dbar 0 1 50 FP 27 R W 27 Analog pressure FO7 Differential for switch off in summer mode U 0 500 C F 0 1 150 FN 28 R W 28 Analog temperature FO8 Set point for minimum speed in winter mode U 11 1 12 dbar 0 1 130 FP 29 R W 29 Analog pressure FO8 Set point for minimum speed in winter mode U 400 11760 C F 0 1 350 FN 30 R W 30 Analog temperature FO9 Differential for max speed in winter mode U 0 FO8 dbar 0 1 40 FP 31 R W 31 Analog pressure FO9 Differential for max speed in winter mode U 0 500 C F 0 1 50 FN 32 R W 32 Analog temperature F10 Differential for switch off in winter mode U 0 300 dbar 0 1 30 EP 33 R W 33 Analog pressure F10 Differential for switch off in winter mode U 0 FO8 C F 0 1 50 FN 34 R W 34 Analog temperature F11 Fans peak time U 0 120 sec 1 0 F 51 R W 258 Integer F12
20. automatic reset the unit restarts automatically if the temperature is above the value A01 A02 In the event of manual reset the unit can restart manually even if the alarm is active After the time A03 if the alarm persists the unit will stop again Ht high temperature warning This alarm is activated when the threshold is exceeded read by B3 set for the parameter P16 It is delayed at power ON by the parameter P17 and causes the activation of the alarm relay and the buzzer without deactivating the outputs It is reset automatically when conditions that caused the alarm are no longer present AHt high temperature warning when starting the system The advice does not activate the relay and displays the message AHt ALt low temperature warning when starting the system The advice does not activate the relay and displays the message ALt ELS EHS warning low high power supply alarm If the power supply voltage is too low or too high the corresponding message is displayed In these cases the correct operation of the uGEO is no longer guaranteed In the low voltage conditions only the requests to deactivate the loads are effected Any start up requests remain pending The high voltage condition involves the deactivation of all the energised relays L Low load warning second load The warning does not activate the relay and displays the message L reset is automatic D1 defrost signal When the defrost is
21. day t03 RTC day RTC month t04 RTC month RIC year t05 RIC year The alarms are only shown on the local display The controller saves the significant events that stop alarms or limit warnings the operation of the unit man uGEO 030220831 rel 2 0 15 10 2008 Up to 25 events can be saved highlighting Event code Start hours Start minutes Start day Start month End hours End minutes End day End month The log is accessed by pressing PRG SEL for 5s and entering the password 44 The alarms saved are complete as they include both the start and end of the event The alarms can be deleted individually by pressing UP and DOWN for 5s when the desired event is displayed If there are no alarms saved noH is displayed The table shows the possible alarms that can be saved SV Display Type Circ 1 Alarm HP1 high pressure Circ 1 Alarm LP1 low pressure ToB General overload TpG General overload Gen Alarm TpS General overload Circ 1 Alarm tC1 Circuit 1 overload FS Second load flow alarm FLB Sanitary water flow alarm Gen Alarm FLE External flow Alarm Probe Alarm E1 Probe B1 Alarm Probe Alarm E2 Probe B2 Alarm Probe Alarm Ea Probe B3 Alarm Probe Alarm E4 Probe B4 Alarm Probe Alarm E5 Probe B5 Alarm Probe Alarm E6 Probe B6 Alarm Probe Alarm E Probe B7 Alarm Probe Alarm E8 Probe B8 Alarm Gen Alarm
22. for auxiliary heater in DHW circuit A12 Represents the differential for the activation deactivation of the antifreeze heater in defrost auxiliary heater in heating A14 Set anti freeze alarm low environment temp for EVD Represents the temperature of the water set anti freeze detected by EVD probe under which the machine goes into anti freeze alarm the compressors relative to the circuit affected are switched off in alarm conditions while the pump remains active to lower the possibility of freezing The manual reset or automatic depending on the parameter only takes place when the temperature of the water returns within the functioning limits i e it exceeds value A14 A2 4 3 Probe readings parameters B Select probe to be shown on display b00 Sets the probe reading to be displayed 0 probe B1 sanitary water probe 1 probe B2 second load outlet probe 2 probe B3 second load inlet probe 3 probe B4 high pressure probe 4 probe B5 Geothermal outlet probe 5 probe B6 Geothermal inlet probe 6 probe B7 external temperature probe 7 probe B8 low pressure probe 8 set point without compensation 9 dynamic set point with possible compensation 10 remote ON OFF digital input status For the list of parameter probe associations see Table A d O Note probes that are not present cannot be selected 4 4 Compressor settings parameters c Minimum ON time c01 This establishes the time that the comp
23. from transducer F P33 dbar 39 Analog P19 Set installation low temperature alarm U 400 EU da 40 Analog P20 Enable installation start up alarm U 0 20 Digital 0 Disabled 1 Enabled P21 Alarm relay output logic F 0 8 Digital O normally unexcited 1 normally excited P22 Low pressure alarm delay on compressor start up in heat pump U 0 200 sec 1 40 86 R W 293 Integer mode P23 Low pressure alarm delay on compressor start up in defrost U 0 999 sec 1 40 87 R W 294 Integer mode P24 Deactivation of compressors in HP and LP capacity stepping D 0 1 1 0 P 21 R W 21 Digital 31 man UGEO 030220831 rel 2 0 15 10 2008 CAREL display parameter type min max UOM variat def visibility superv Modbus var type code variable P25 Selection of digital output 2 F 0 12 int 1 0 108 RAV 1315 Integer Disable Compressor 2 Electrical heater Second Load Reversal Valve Sanitary Water pump Humidification Geothermal pump external exchanger fan Electrical heater Sanitary Water Alarm 9 Warning 10 Second Load pump 11 Compressor 1 12 Second Load Sanitary Water CON DMN BWN O P26 Selection of digital output 3 F 0 12 int 1 0 109 R W 1316 Integer P27 Selection of digital output 4 F 0 12 int 1 0 110 R W 1317 Integer P28 Selection of digital output 5 F 0 12 int 1 0 111 R W 1318 Integer P29 Selection of
24. must have the commons C1 2 C3 4 connected together as shown in Fig 1 Electrical specifications of the relay contacts 30077 I 200 amp 100 os AC 120 V cos 0 7 s 0 5 30 V cos 0 7 2 20 Ss 10 E 2 5 N IS 3 9 250 Vac coso 0 4 hi i 30 Vdc 0 1 2 3 4 5 contact current A Fig 8 a 8 1 Functional specifications Resolution of analogue inputs Temperature probes range 40T80 C 0 1 C Temperature measurement error Range 20120 C 0 5 C excluding probe Range 40T80 C 1 5 C excluding probe Pressure measurement error The voltage error in the input range of 0 5 to 4 5 Vdc is 2 excluding probe The error in the converted value may vary according to the setting of the parameters 9 10 11 12 see user manual man uGEO 030220831 rel 2 0 15 10 2008 Tab 8 b 44 CAREL 9 APPENDIXES 9 1 Applications Air water heat pump Boiler ACS Alle utenze sanitarie Alimentazione idrica CA C_ TD Boiler ACS Alle utenze sanitarie D i Alimentazione idrica B6 D O ID DO D Y1 Y ZN Fig 9 b 45 man uGEO 030220831 rel 2 0 15 10 2008 Note
25. pressure set point for minimum speed in cooling F05 This represents the temperature or pressure below which the fans pumps remain ON at minimum speed In the case of ON OFF control it represents the temperature or pressure below which the fans pumps are switched OFF Fig 5 a k Temperature pressure differential for maximum speed in cooling FO6 This represents the temperature or pressure differential in reference to F05 above which the fans pumps are started at maximum speed in the case of ON OFF control this represents the differential above which the fans pumps are started Fig 5 a k Temperature pressure differential for switch off in summer mode cooling F07 If a speed adjuster is used it represents the differential with respect to F5 for the temperature or pressure above which the fans switch off Switch on takes place 1 C below if NTC temperature probes are used for the condensation control or 0 5 Bar if pressure probes are used Temperature pressure set point for minimum speed in heating FO8 This represents the temperature or pressure above which the fans are started at minimum speed Fig 5 a n For ON OFF control this represents the temperature or the pressure above which the fans are switched off Fig 5 a l Temperature pressure differential for maximum speed in heating FO9 This represents the temperature or pressure differential referred to F10 above which the fans are started at minimum speed Fig 5 4
26. pump must be enabled H5 0 It can be reset either manually or automatically see P08 PO9 P10 P11 P12 E1 to E8 probe error detected even when the unit is in Standby The presence of a probe alarm causes the deactivation of the compressor the condenser fan pump the pump and the heaters the buzzer and alarm relay are activated and the display starts flashing If the probe has a compensation function the unit will continue a operate correctly with the exception of the corresponding function and the warning relay will be activated and a message shown on the display from E1 to E8 for probes from B1 to B8 Hc1 to Hc2 compressor operating hour limit exceeded warning When the number of operating hours for the compressor exceeds the maintenance threshold as default equal to zero and consequently the function is disabled the maintenance request signal is activated The buzzer and the alarm relay are not activated however the warning relay is activated with the expansion card fitted Epr EPb EE PROM error A problem has occurred when saving the parameters to the unit s non volatile memory EEPROM in the event of an Epr error the uGEO continues to perform the control functions with the data present in the volatile memory RAM where there is a physical copy of all of the data After the first power failure the configuration will be lost The buzzer and the alarm relay are not activated If the occurs when starting the unit
27. starts To start the defrost cycle the condition must be valid for the time d05 If sliding defrost is enabled the start defrost temperature decreases starting from d03 proportionally to the outside temperature End defrost temperature pressure d04 Establishes the temperature or pressure above which the defrost cycle ends Minimum start defrost time d05 Establishes the time that temperature pressure must remain below the start defrost threshold d03 while the compressor is ON for the defrost cycle to be activated Defrosting by temperature d2 1 O Q Fig 4 l Key 1 end defrost T P 5 min time interval to start a def cycle d6 2 start defrost T P 6 min defrost interval d5 3 start defrost T 7 timer reset 4 end defrost man uGEO 030220831 rel 2 0 15 10 2008 CAREL Minimum defrost duration d06 Represents the minimum duration of the defrost cycle the defrost continues even if the value read by the condenser probe exceeds the end temperature pressure If set to 0 the minimum defrost time function is disabled d06 0 control disabled Maximum defrost duration d07 If timed defrost is set d02 0 this establishes the duration of the cycle If on the other hand the defrost ends at a set temperature pressure it represents the maximum duration being in this case a safety feature an alarm is signaled dF1 Delay between two defrosting requests in the Second
28. step and waits 10 seconds After this interval if the alarm is still active the unit is stopped otherwise it continues to operate in part load mode In this situation the display shows the message PC1 This condition remains active until the pressure falls below the value corresponding to the maximum speed of the condenser fans F05 F06 Below this value the unit reactivates the load step that had previously been deactivated P4 0 capacity step disabled P4 1 capacity step enabled P4 2 low pressure capacity step activated P4 3 high and low pressure capacity step activated With the unit operating in heat pump mode due to low outside temperatures or the load the pressure may fall and stop the unit due to the low pressure alarm If the circuit has 2 compressor steps and the pressure remains below the value of one bar for the time P22 the circuit can operate at part load This capacity control is not activated when the alarm comes from the digital input In the event of low pressure the controller deactivates one step and if the pressure does not return above the threshold in 10 seconds the alarm is activated and the circuit is stopped This function is valid for all units with pressure transducers man uGEO 030220831 rel 2 0 15 10 2008 CAREL Part load in low pressure 2 bar Fig 4 n FO8 F09 1 bar 1 5 bar Alarm reset PO5 Enables automatic reset for all those alarms that normally feature
29. the compressors started otherwise it is immediate and if in heat pump mode is activated for pressure values less than 1 bar P15 1 P07 1 the alarm is detected also if the compressors are Off after the time P03 and if in heat pump mode is activated for pressure values lower then 1 bar The hysteresis for this alarm is 1 bar PH1 Compressor part load Indicates the part load due to high pressure This situation is signaled by the message PH1 on the display the activation of the warning relay tP tos Tpb TpG tC1 thermal overload The alarm is detected irrespective of the status of the pump and the compressors The compressors the pumps and fans stop without observing the protection times or are inhibited from starting the alarm relay is activated the display flashes the corresponding message and the LED flashes It can be reset either manually or automatically see par P08 PO9 P10 P11 P12 LA generic warning This represents a generic warning that appears on the display from digital input without modifying the operation of the unit 37 This alarm is detected only if the pump is ON excluding the delays when starting PO1 and in steady operation PO2 irrespective of the status of the compressor All of the outputs are disabled pump compressor without observing the OFF times condenser fan pump and the buzzer sounds the alarm relay is activated and the display flashes The presence of the utility water
30. times condensation fan The alarm relays are activated and the display flashes Restore is manual FLb External flow alarm The alarm is only detected if the external pump is switched on apart from delays on start up of P1 and normal running conditions P2 independently from the state of the compressor All outputs are disabled pump compressor without respecting switch off times condensation fan The alarm relays are activated and the display flashes Restore is manual man uGEO 030220831 rel 2 0 15 10 2008 CAREL 7 CONNECTIONS ACCESSORIES AND OPTIONS 7 1 connection diagram Below is the connection diagram for MGEO ale Tx Rx GND 1 0 E Bottom GND Tx Rx GND B8 V ID10 ID8 ID6 B6 B7 GND Y2 GND ID9 ID7 NN HE HE e es ee ee ee ee pressure probe tLAN I nei C1 2 C1 2 C3 4 x No3 No4 C3 4 x a Tx GND ay aia ike UGEO afafa ey pressure probe To program key RS485 option L L Line To serial link Fig 7 a I O layout mGEO description BI sanitary water probe B2 second load outlet probe B3
31. 1 Display The display features 3 digits with the display of the decimal point between 99 9 and 99 9 Outside of this range of measurement the value is automatically displayed without the decimal even if internally the unit still operates considering the decimal part In normal operation the value displayed corresponds to the temperature read by probe B1 that is the sanitary water temperature Fig 1 a show the symbols present on the display and on the keypad and their meanings Symbols on the display Display with 3 green digits plus sign and decimal point amber symbols and red alarm symbols symbol colour LED on LED flashing 2 amber compressor 1 and or2 on switch on request A amber at least one compressor on B amber air delivery pump fan on switch on request C amber condensation fan activated D amber defrost active defrost request E amber resistance activated F red alarm active G amber heat pump mode P6 0 heat pump mode request P6 0 H amber chiller mode P6 0 chiller mode request P6 0 Tab 3 a 3 2 Keypad and functions Functions associated with the buttons Display with 3 green digits plus sign and decimal point amber symbols and red alarm symbols key machine state Loading of default values presure mode switch on with key pressed Return to upper sub unit within the single press programming environment unt
32. 5 uGEO thermal switch pump with manual store P8 26 UGEO thermal switch pump with automatic store P8 27 External Request only for sanitary water it has the priority to P8 16 O Note e If the digital input is configured as external request i e PO8 16 the control works to satisfy the request selected by digital input 0 Sanitary water 1 Second load It a digital inputs is SW circuit only and it is activeted any after to change in SL is forbidden e IfPO8issetto 10 the change in state considers the times C21 and C22 and respects the compressor protection times both from the digital input and the keypad e If the digital input is used to switch the unit ON OFF or change the operating mode these functions are disabled on the keypad Select digital inputs ID2 ID6 ID7 ID10 ID5 ID3 ID4 ID8 and ID9 P09 P10 P11 P12 P34 P40 P41 P42 P43 Configuration of digital inputs ID2 ID6 ID7 ID10 ID5 ID3 ID4 ID8 and ID9 respectively as per the table above for digital input ID1 Select low pressure alarm P15 Used to select whether the low pressure alarm is detected when the compressor is OFF P15 1 or alternatively only when the compressor is ON P15 0 default When the compressor starts the alarm is in any case ignored for the time POS High temperature high system start up temperature alarm delay P16 Represents the high temperature alarm threshold detected by probe B1 the differential is set at 2 C
33. Integer d08 Delay between two defrosting requests in the U 10 150 min 1 30 D 40 R W 247 Integer same circuit d10 Defrosting from external contact F 0 3 flag 1 0 D 42 R W 249 Integer 0 Function disabled 1 Start from external contact 2 End from external contact 3 Start and end from external contact d11 Anti freeze resistance in defrost mode U 0 1 flag 1 0 D 9 R W 9 Digital d16 Forced ventilation time in defrost mode F 0 360 sec 1 0 D 47 R W 254 Integer d17 Set Enabling of light defrost F 0 800 C F 0 1 0 D 22 R W 22 Analog d18 Max external temperature value sliding defrost F 400 800 C F 0 1 100 D 62 R W 62 Analog d19 Defrost start differential sliding defrost F 400 800 C F bar 10 1 30 D 63 R W 63 Analog d20 External temperature differential sliding defrost F 0 800 C F 0 1 100 D 64 RAW 64 Analog Tab 5 g man uGEO 030220831 rel 2 0 15 10 2008 28 CAREL Fan setting parameters F display parameter type min max UOM variat def visibility superv Modbus var type code Variable F01 Enabling of fan output F 0 1 flag 1 0 10 R W 10 Digital 0 Not Fitted 1 Fitted F02 Fan functioning mode U 0 3 Int 1 0 F 48 R W 255 Integer O always on 1 leinked to compr functioning in parallel 2 linked to compr with ON OFF adjustment 3 linked to compr With speed adjustment F03 Minimum voltage threshold for
34. Integer t15 2nd summer low noise start minutes U 0 59 1 0 W 101 R W 1308 Integer t16 2nd summer low noise end hour U 0 23 1 7 W 102 R W 1309 Integer t17 2nd summer low noise end minutes U 0 59 1 0 W 103 RAW 1310 Integer t18 2nd winter low noise start hour U 0 23 1 23 W 104 R W 1311 Integer t19 2nd winter low noise start minutes U 0 59 1 0 W 105 R W 1312 Integer t20 2nd winter low noise end hour U 0 23 1 7 W 106 RAW 1313 Integer t21 2nd winter low noise end minutes U 0 59 1 0 W 107 R W 1314 Integer Tab 5 m 33 man uGEO 030220831 rel 2 0 15 10 2008 Supervisor only variables CAREL display parameter type min max UOM variat def visibility superv Modbus var type code Variable Indica il paramtro macchina F 0 250 166 54 R 261 Integer comunicazione SVCAREL Circuit 1 in alarm D 0 1 0 41 R 41 Digital EVD 1 valve in alarm D 0 1 0 43 R 43 Digital General alarm D 0 1 0 45 R 45 Digital Probes in alarm D 0 1 0 46 R 46 Digital Compressors warning D 0 1 0 47 R 47 Digital EVD 1 warning D 0 1 0 48 R 48 Digital General warning D 0 1 0 50 R 50 Digital Temperature warning D 0 1 0 51 R 51 Digital Fan warning D 0 1 0 52 R S Digital DTE DTC alarm D 0 1 0 77 R 77 Digital Digital input 1 D 0 1 0 53 R 53 Digital Digital in
35. List of functions and main features 7 2 ELECTRICAL INSTALLATION 8 2 1 Board wiring connections wcccccccccsssssseesesssseseeeesssssccccessessesssssssssssnsesecseessssssse 8 3 USER INTERFACE 9 IL DEIN RA A 9 D2 SA ANA TU ON ina 9 3 3 Setting and editing parameters assssssssensssssssseeesessenmmmmnnen 9 4 FUNCTIONS 10 4 1 Probe settings parameters unse 10 4 2 Antifreeze auxiliary heater parameters A ann 10 4 3 Probe readings parameters BY ssssssssssscsccccccsssecsnssssssssssssessescecsesssssse 11 4 4 Compressor settings parameters 9 anne 11 4 5 Defrost settings parameters d nme 13 4 6 ran settings Parameters Pilosio 15 AJ Unit setings Pal MERE ee 17 4 8 Alarm settings parameters PF 18 4 9 Control settings parameters 1 anne 20 5 10 Firmware parameters F 1 unimini 23 5 PARAMETERS TABLE 25 6 ALARMS AND SIGNALS 36 6 1 Alarms and signals display buzzer and relay 36 7 CONNECTIONS ACCESSORIES AND OPTIONS 40 FA COMME CH AI Nennen 40 FZ DOI PRO RA RR 40 7 3 EVD4 Electronic expansion valve driver 40 7 4 Fan speed control board code MCHRTFY ee 40 7 5 Fan ON OFF control board code CONVONOFFO 41 7 6 PWM to 0 to 10 Vdc or 4 to 20 mA conversion board for fans Cade COIN O10 FO ili 41 7 7 Minimum and maximum fan speed calculation 41 7 8 Programming key code PSOPZKEYAD vssssssscscccccccssssssseessssssensseseseeee 41 7 9 RS485 serial opto e
36. Load circuit d08 Represents the delay time between two successive defrosting cycles Defrost management from external contact d10 This enables or disables defrost control from an external contact This function is typically used to end the defrost based on a signal from a thermostat pressure switch connected to the corresponding digital input In this case the defrost times are ignored d10 0 function disabled Note for the other settings the start and end defrost are enabled for temperature and pressure values between the Defrost start and end set points d10 1 start defrost from external contact enabled therefore e if the contact of the input is open the start of the defrost is enabled e if the contact of the input closed the defrost follows the normal procedure d10 2 end defrost from external contact enabled therefore if the contact of the input is open the end of the defrost is enabled if the contact of the input is closed the defrost follows the normal procedure d10 3 start and end defrost from external contact enabled therefore if the contact of the input is open the end start of the defrost is enabled e if the contact of the input is closed the defrost follows the normal procedure Antifreeze auxiliary heaters in defrost d11 This parameter determines whether during the defrost cycle the antifreeze auxiliary heaters should be activated to limit the flow of cold water air into the roo
37. REL Select digital input ID1 PO8 Digital input 1 selection 0 not used P8 1 flow meter geothermal pump with manual restore n c P8 2 flow meter geothermal pump with automatic restores n c P8 3 flow meter sanitary water pump with manual restore n c P8 4 flow meter sanitary water pump with automatic restore n c P8 5 flow meter second load pump with manual restore n c P8 6 flow meter second load pump with automatic restore n c P8 7 Thermal switch compressor s with manual restore n c P8 8 Thermal switch compressor s with automatic restore n c P8 9 summer winter open summer closed winter P8 10 Mode Selection open standby closed on P8 11 alarm signal with manual restore n c P8 12 alarm signal with automatic restore N C P8 13 second Set point from external contact summer and winter normally open P8 14 defrost end from contact normally closed P8 15 defrost start form contact normally closed P8 16 External request selection open second load closed sanitary water P8 17 high pressure P8 18 low pressure P8 19 sanitary water alarm P8 20 enable second set point by time P8 21 sanitary water thermal switch pump with manual store P8 22 sanitary water thermal switch pump with automatic store P8 23 second load thermal switch pump with manual store P8 24 second load thermal switch pump with automatic store P8 2
38. Triac impulse duration fans peak F 0 10 Sec 1 2 F 52 RAV 259 Integer FIS Fans management in defrost mode F 0 2 Int 1 0 F 53 R W 260 Integer O Fans deactivated 1 Fans in chiller mode 2 Maximum speed after defrost F14 Ventilation in cond High temperature on start up U 0 999 1 0 FN 91 R W 298 Integer F15 Low noise activation U 0 3 1 0 F 85 R W 292 Integer 0 Deactivated 1 Summer activated 2 Winter activated 3 summer and winter activated F16 Summer low noise differential i 0 500 C F bar 0 1 0 L 35 R W 35 Analog F17 Winter low noise differential F 0 500 C F bar 0 1 0 L 36 R W 36 Analog F18 Anitary water pump functioning mode U 0 3 Int 1 0 F 41 R W 248 Integer O always on 1 leinked to compr functioning in parallel 2 linked to compr with ON OFF adjustment 3 linked to compr With speed adjustment F19 Minimum voltage threshold for Triac sanitary F 0 FO4 step 1 2 F 59 R W 266 Integer water F20 Maximum voltage threshold for Triac sanitary F FO3 1 100 step 1 75 F 57 R W 264 Integer water F21 Set point for minimum speed in winter mode U 400 11760 C F 0 1 350 IF 83 R W 83 Analog temperature F22 Differential for max speed in winter mode U 0 500 ICF 0 1 50 F 84 R W 84 Analog temperature F23 Differential for switch off in winter mode U 0 F21 CTF 0 1 50 F 85 R W 85 Analog temperature Tab 5 h 29 man UGEO 030220831 rel 2 0 15 10 2008 Unit setting paramet
39. al address H10 Establishes the address of the instrument for the serial connection via an optional board to a PC for supervision and or telemaintenance Capacity control logic H12 Specifies the logic for the activation of the capacity control steps for the compressors and the 4 way reversing valve H12 0 4 way reversing valve and capacity control normally energized H12 1 4 way reversing valve and capacity control normally de energized Default value H12 2 4 way reversing valve normally de energized and capacity control normally energized H12 3 4 way reversing valve normally energized and capacity control normally de energized Note in the event of capacity control the rotation between compressor and corresponding valve is disabled 17 Enable pump down H13 This function allows the unit to be stopped while avoiding the possible formation of liquid refrigerant inside the evaporator When the only active compressor is called to stop the expansion valve is closed so as to depressurize the circuit Valid only when the driver is installed as the driver pressure probe is used Minimum pump down pressure H14 Limit pressure below which the compressor is deactivated Maximum pump down time H15 Maximum time after which the compressor is deactivated SmartSET CAREL patent H16 Activate smartSET this function optimises the operation of the unit by calculating the efficiency of the heat exchangers In smar
40. alue read by the condenser probe is higher than the value of F05 F07 as well as starting the compressor the fan pump is forced to maximum speed for the time F14 Activate low noise F15 This function moves the pressure set point so as to lower the fan pump speed and consequently reduce noise specifically at night If low noise is active in cooling the condenser control set points are increased by F16 If low noise is active in heating the set points are reduced by F17 F15 0 Low noise deactivated F15 1 Low noise activated in cooling F15 2 Low noise activated in heating F15 3 Low noise activated in cooling and heating O Note The variation in the set point is not active during defrost man uGEO 030220831 rel 2 0 15 10 2008 CAREL Cooling set point differential F16 Differential added to the outdoor heat exchanger control set point when low noise is active valid for both temperature and pressure control Heating set point differential F17 Differential subtracted from the outdoor heat exchanger control set point when low noise is active valid for both temperature and pressure control Sanitary water pump functioning mode F18 Establishes the pump functioning logic F18 0 always on at maximum speed independently from the compressors The pump is only switched off ifthe machine is in stand by after the sanitary water circuit compressors is switched off F18 1 on at maximum speed when at least on
41. alve is 2 seconds O ON OFF ON OFF ON OFF ON o OFF N O Fig 4 f Key 1 1st signal 5 delay between starts of two 2 2nd signal compressors 3 st compressor 4 2nd compressor man uGEO 030220831 rel 2 0 15 10 2008 CAREL Stop delay between compressors c05 This sets the stop delay between the compressors O ON OFF ON OFF ON OFF ON o OFF C5 Fig 4 g Key delay between stops of two compressors 1 1st signal 5 2 2nd signal 3 1st compressor 4 2ndcompressor Delay on power up reset power supply c06 At power ON when the controller is physically switched ON the activation of all the outputs is delayed so as to distribute the power input and protect the compressor against repeated starts in the event of frequent power failures This means that after the delay time the controller will start to manage the outputs based on the other times and the other normal functions Compressor start delay from pump ON c07 In cooling and heating operation if the operation of the pump is subject to the controller parameter HO5 H25 2 the compressor is Started when required after the set time from the activation of the water pump or outlet fan in air air units If the pump outlet fan is always ON HO5 H25 1 and consequently does not depend on the control logic the compressor is started after the set time from when the unit starts ON OFF
42. alve open when starting IF when starting the system the Driver detects that the valve is still open an alarm is sent to the UGEO that stops the compressors and the fans in the corresponding circuit Eb1 EVD battery alarm The EVD battery alarm stops the compressors from starting so as to prevent the risk of liquid returning to circuit and disables the corresponding fans AHt high temperature warning on plant start up The alarm does not activate the relay and displays the AHt message ALt low temperature warning on plant start up The alarm does not activate the relay and displays the ALt message L low pressure The low pressure condition is indicated on the display with L indicating the LOW PRESSURE and the control will vary the minimum switch on time of the compressor in order to determine the future low pressure condition or the exit from the procedure with the consequent restoring of the minimum time PH1 half power in high pressure pL1 half power in low pressure CAREL Et uAD terminal probe alarm dEH high DTE warning Beyond the limit Maximum accepted H18 the evaporator risks freezing in some points and it is therefore useful to give the alarm for anomalous behavior dEH dEL low DTE warning Minimum accepted H17 even if not risky beyond the limit it is useful to give a warning dEL to check water flow perhaps to high or no condenser yield CH1 high DTC warning Maxim
43. ameter r28 The settings are r27 0 the function is disabled r27 1 enabled only in chiller mode r27 2 enabled only in heat pump mode r27 3 enabled in chiller and heat pump modes Minimum compressor ON time to determine low load condition r28 This parameter represents the minimum compressor ON time below which the low load condition is determined Whenever the compressor stops the controller analyses the load status If already in low load condition the time considered by the controller for the analysis becomes r28 x r29 r02 in chiller mode or r28 x r30 r04 in heat pump mode Differential during the low load condition in chiller mode r29 This parameter represents the new differential considered by the controller in chiller mode during the low load condition Specifically r02 is replaced by r29 CAREL Differential during the low load condition in heat pump mode r30 This parameter represents the new differential considered by the controller in heat pump mode during the low load condition Specifically r04 is replaced by r30 La r01 r01 r02 on off E gt TEI r03 r04 r03 Key 1 chiller 4 heat pump in low load 2 chiller in low load 5 temperature gt heat pump Heating compensation constant mode Heat pump r31 Sets the coefficient that controls the heating compensation algorithm In heating mode if r31 is positive the set point decreases as the outside temperature d
44. anaged first and then the actual compressor as a whole The activation and deactivation of the valves are not subject to timers but rather only a hysteresis that is equal to the set point and the differential of the step in fact the valve performs the same function as a hermetic compressor r05 3 direct correspondence between the digital inputs and the compressor relays condensing units only man uGEO 030220831 rel 2 0 15 10 2008 20 CAREL Type of compressor control r06 This parameter is used to set the logic for maintaining the set point r06 0 proportional on inlet r06 1 proportional on inlet dead zone see Dead zone below r06 2 proportional on outlet r06 3 proportional on outlet with dead zone DEAD ZONE The dead zone essentially shifts the proportional band from the set point by the value set for the parameter r07 This parameter is valid in all configurations if enabled for r07 0 dead zone set and enabled r01 r07 r01 r07 r02 r01 r07 r02 2 Fig 4 0 Key r06 enable the dead zone enabled if r06 1 or 3 r07 dead zone r01 cooling set point r02 cooling differential In chiller cooling mode the dead zone moves the cooling proportional band above the set point by the value r07 r03 r07 r04 r03 r07 r03 r07 r04 2 Fig 4 p Key r06 enable the dead zone enabled if r06 1 or 3 r07 dead zone r03 heating set point r04 heating differential In heat pump heating mode t
45. and the alarm is reset automatically the warning relay is activated signal only and the message Ht is shown When starting the system this alarm is ignored for the time P17 If the system start up protection is enabled see parameter P20 and the alarm is activated the time P17 is ignored and the alarm has no hysteresis 19 High temperature alarm delay on power up P17 High temperature alarm delay when the control is switched on power ON from the remote ON OFF contact or from the keypad High pressure alarm from transducer set point P18 Sets the value beyond which the high pressure alarm is generated P18 0 the function is disabled For all other values greater than 3 0 due to the hysteresis 3 bars the alarm is Managed according to the set value Low system start up temperature alarm set point P19 Represents a threshold for the low temperature measured by probe B3 alarm without hysteresis it is reset automatically the alarm relay is not activated and the display shows the message ALt System start up protection for high low temperature P20 If set to 1 this parameter enables the system protection function when starting both at power ON and when switching ON from Standby In chiller mode cooling for values of B3 greater than the set point P19 an alarm is activated and the unit is not started display AHt In heat pump mode heating for values lower than the set point P19 an alarm is a
46. aporator pump delivery fan starts first in fixed mode always On and then the compressor after the set times c7 c8 The pump will not be switched off if all compressors have not been switched off 4 8 Alarm settings parameters P Flow switch alarm delay when starting pump P01 Establishes a delay in the recognition of the flow switch alarm when starting the pump this allows the flow rate to stabilize In the event of alarms the compressors are stopped immediately ignoring the times Flow switch alarm delay in steady operation PO2 Establishes a delay in the recognition of the flow switch alarm in steady operation so as to filter any variations in flow rate or air bubbles present in the water circuit In the event of alarms the compressors are stopped immediately ignoring the times Low pressure alarm delay at compressor start P03 Establishes a delay in the recognition of the low pressure alarm when the compressor starts so as to allow stable operating conditions to be reached This delay is also counted when reversing the 4 way valve in the refrigerant circuit Enabling of high and low pressure capacity step P04 enable or disable the part load operation of the circuit in high pressure The function is valid if the unit is fitted with tandem or capacity controlled compressors and pressure transducers In the event of high pressure alarms that is for values over P18 hysteresis 0 5 bar the controller deactivates a load
47. ay Al Frost alarm circ 1 Depends on PO5 OFF C1 2 OFF 1 ON 41 R Circuit 1 alarm Digital ELS Low supply voltage Automatic a gt ON 50 R General warning Digital EHS High supply voltage Automatic OFF OFF OFF OFF OFF OFF OFF 45 R General alarm Digital EPb EEPROM error atthe Automatic OFF OFF OFF OFF OFF OFF OFF 45 R General alarm Digital start up Ht High temperature Automatic ON ION Temperature Digital advice Ed1 EVD 1 tLAN error Automatic OFE CleZ OFF i ON a 48 R EVD 1 warning Digital SH1 EVD 1 superheat alarm OFF C1 2 OFF ON 48 R EVD 1 warning Digital nO1 MOP 1 warning Automatic ON EVD 1 advice Digital LO LOP 1 warning Automatic S ON EVD 1 advice Digital HAI High inlet temperature Automatic a ON EVD 1 advice Digital warning circ 1 EP1 EVD 1 Eeprom error Automatic OFF C1 2 OFF ON 48 R EVD 1 warning Digital ES EVD 1 probe error Automatic OFF C1 2 OFF ON 48 R EVD 1 warning Digital EU1 Open valve EVD 1 error Automatic OFF C1 2 OFF ON 48 R EVD 1 warning Digital at the start up Eb1 EVD 1 battery alarm Automatic OFF Cle2 OFF ON 48 R EVD 1 warning Digital AHt High temperature at Automatic OFF OFF OFF ON 50 R General warning Digital the start up ALt Low temperature at the Automatic OFF OFF OFF ON 50 R General warning Digital start up L Low load warning Automatic Si
48. compensation EC UGEO can manage two compensation strategies according to the indoor temperature UAD connected or the outdoor temperature The r46 parameter can balance the effects of the two strategies as for the following formula Offset Compensation EC r46 IC 100 r46 100 on off r01 r01 r29 5 Fig 4 u a on off r03 r30 r03 5 Fig 4 u b 23 Examples situation For r46 100 it means that the new set point of HP chiller depends basically only on the outdoor contribute For r46 50 it means that the new set point of HP chiller is the average of internal and external compensation contribute For r46 0 it means that the new set point of HP chiller depends basically only on the outdoor contribute Keep set temperature R49 If this digital is ON and if the uAD is connected and the ambient temperature is satisfied the unit regulates on probe of the Second Load to keep the temperature of the water at the ambient set point 4 10 Firmware parameters F r These parameters cannot be set display only H97 software version of Driver 1 H98 software version of the expansion H99 software version of the uGEO controller Functions available with the clock board The alarm log is only active and operative if the clock board is fitted The terminal shows whether the clock board is fitted by displaying the following parameters RTC hours t01 RTC hours RTC minutes t02 RIC minutes RTC
49. ctivated and the unit is not started display ALt The alarm is reset automatically P20 0 the function is disabled Low pressure alarm waiting time in heat pump P22 Delay in generating the low pressure alarm in heat pump mode If the pressure remains below 1 bar for the time p22 and the circuit has 2 compressor steps the circuit can operate at part load see P04 This preventive capacity control function remains active until the pressure rises above FO8 FO9 Low pressure alarm waiting time during defrost P23 Delay in generating the low pressure alarm in heat pump mode during defrost Deactivate compressors in capacity control for HP and LP P24 capacity step logic P24 0 switch off of comp 1 with capacity step active P24 1 switch off of comp 2 with capacity step active Select digital outputs 2 5 7 10 and digital output 6 P25 P32 and P37 P25 0 none P25 1 Compressor 2 P25 2 Resistance for second load P25 3 Valve P25 4 Pump for sanitary water P25 5 Humidification P25 6 Pump ran for GEO P25 7 Resistance for sanitary water P25 8 Alarm P25 9 Warning P25 10 Pump for second load P25 11 Compressor 1 P25 12 Sanitary water or second load man uGEO 030220831 rel 2 0 15 10 2008 Low pressure alarm set point from transducer P33 Sets the value beyond which the low pressure alarm is generated when the unit is operating in heat pump mode Each circuit wil
50. description type HP1 High pressure Depends on PO5 OFF C1 2 ON 60 ON 41 R Circuit 1 alarm Digital LP1 Low pressure Depends on P0O5 OFF C1 2 OFF 1 l ON 41 R Circuit 1 alarm Digital tC1 Circuit 1 overload Depends on P08 OFF C1 2 OFFI ON 41 R Circuit 1 alarm Digital LA advice Depends on P08 ON ION General advice Digital E1 Probe B1 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital E2 Probe B2 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital aio Probe B3 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital E4 Probe B4 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital E5 Probe B5 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital E6 Probe B6 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital Ey Probe B7 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital E8 Probe B8 alarm Automatic OFF OFF OFF OFF ON 46 R Probe alarm Digital Hc1 2 Hour warning C1 2 Automatic ON Compressor advice Digital EPr EEPROM error during Automatic 5 ON General advice Digital operation ESP Expansion Error Automatic OFF OFF OFF OFF OFF ON 45 R General alarm Digital EL1 Zero Cross Automatic 100 ON ION Fan advice Digital dF1 Defrosting error Automatic i ON 50 R General warning Digital d1 Execution and defrost Automatic ON Signal on displ
51. digital output 7 F 0 12 int 1 0 x 112 R W 1319 Integer P30 Selection of digital output 8 F 0 12 int 1 0 X 113 R W 320 Integer P31 Selection of digital output 9 F 0 12 int 1 0 x 114 R W 1321 Integer P32 Selection of digital output 10 F 0 12 int 1 0 x 115 R W 1322 Integer P33 Low pressure alarm threshold F 0 P18 dbar 0 1 LO IP 76 R W 76 Analog P34 Selection of digital input 5 F 0 21 int 1 0 46 R W 253 Integer P35 Alarm silencing by means of mute button F 0 1 1 0 23 R W 23 Digital O no 1 yes P36 Type of high pressure alarm management F 0 1 1 0 24 R W 24 Digital O always 1 only if an active compressor is present and after 2 seconds from its activation ror Selezione uscita digitale 6 F 0 12 Jint 1 0 X 123 R W 1330 Integer P38 External geothermical probe error U 0 999 0 1 0 71 R W VA Analog P39 High Temperature Sanitary Water U 0 999 0 1 600 72 R W 72 Analog P40 Selezione ingr digitale 3 F 0 27 int 1 0 119 R W 326 Integer P41 Selezione ingr digitale 4 F 0 27 int 1 0 a 120 RAW 327 Integer P42 Selezione ingr digitale 8 F 0 27 int 1 0 121 R W 1328 Integer P43 Selezione ingr digitale 9 F 0 27 int 1 0 122 R W 1329 Integer Tab 5 k Control setting parameters r display parameter type min max UOM variat def visibility superv Modbus var type code Variable r01 Summer Set Point D r13 r14 stai 0 1 120 41 R W 41 Analog r02 Summer Differential D 3 500 IAAF 0 1 30 42 R W 42
52. ds on P05 OFF OFF OFF ON 50 R General warning Digital TpG General overload Depends on PO5 OFF OFF OFF ON 50 R General warning Digital Tab 6 a Note The warning relay differs from the alarm relay as it is only activated for warnings that is signals only which have no direct effect on the operation of the unit and the display does not show the alarm symbol bell HP1 High pressure FL flow alarm The alarm is detected irrespective of the status of the pump and the compressors The compressors corresponding to circuit 1 are immediately stopped ignoring the set protection times the buzzer and alarm relay are activated and the display starts flashing The condensing pump fan is activated at maximum speed for 60 s so as to oppose the alarm situation after which it is switched OFF This alarm may also be generated when the high pressure limit is exceeded valid only when the pressure transducer is fitted set by the parameter P18 which to be enabled must be greater than 3 0 bars due to the corresponding hysteresis LP1 Low pressure The alarm depends on P15 P7 and P3 P15 0 PO7 0 the alarm is detected only if the compressors are ON and after the time P03 from when the compressors started otherwise it is immediate P15 1 PO7 0 the alarm is detected even if the compressors are off after the time P03 P15 0 PO7 1 the alarm is detected only if the compressors are ON and after the time P03 from when
53. e compressor in the sanitary water is active functioning in parallel for each circuit The PWM output will be activated when at least 1 compressor is functioning F18 2 switched on when the compressor is active with On Off adjustment with respect to the minimum and maximum speed temperatures pressures parameters F5 F6 F8 and F9 When the compressors switch off the relative fans are deactivated independently of the condensation temperature pressure F18 3 switched on when the relative compressor is active with speed adjustment When the compressors switch off the pump is deactivated independently of the condensation temperature pressure Minimum voltage threshold for Triac sanitary water F19 If pump speed must be adjusted the presence of the optional MCHRTF phase cutting cards with Triac is requested In this case it is necessary to specify the voltage distributed by Triac to the pump electric motor corresponding to minimum speed The value set does not correspond to the effective voltage in Volts applied but to a unit of calculation within the uGEO Maximum voltage threshold for Triac sanitary water F20 If pump speed must be adjusted the presence of the optional MCHRTF phase cutting cards with Triac is requested In this case it is necessary to specify the voltage distributed by Triac to the fan electric motor corresponding to maximum speed The value set does not correspond to the effective voltage in Volts applied b
54. e elimination of the expansion vessel Driver function e Management of electronic expansion valves Controlled devices compressors geothermal circuit pump outlet fan in air water unit e reversing valve water pumps for sanitary water and second load outlet fan in air water unit e antifreeze heater alarm signal device Programming CAREL offers the possibility to configure all the unit parameters not only from the keypad on the front panel but also using a hardware key a serial line 7 man uGEO 030220831 rel 2 0 15 10 2008 CAREL 2 ELECTRICAL INSTALLATION 2 1 Board wiring connections General diagram tLAN EVD driver for EVD electronic MCH200002 driver for expansion VO expansion electronic valve board for UGEO expansion valve __ Optional boards man uGEO 030220831 rel 2 0 15 10 2008 PSOPZKEY CONVONOFF programming key PWM digital converter CAREL PV CONV0 10A0 supervisor PWM analogic ig Modbus RTU converter MCH200485 SPKT RS485 serial 0 5 V pressure T T MCH2 T transducers 0 HES remote terminal Teil MCHRTF A0 NTC C ne fan speed temperature MCH2 TSV am Modbus regulator probes convertitor gt RTU Fig 2 a Network layout EV driver i Fig 2 b CAREL 3 USER INTERFACE 3
55. e new unit of measure while all the other parameters set set point differential etc remain unchanged 4 2 Antifreeze auxiliary heater parameters A Antifreeze alarm set point A01 when uGEO works on second load probe B2 represents the temperature antifreeze set point of the water at the evaporator outlet below which an antifreeze alarm is activated in this condition the compressors corresponding to the circuit in question are stopped while the pump remains on to decrease the possibility of freezing The alarm is reset manually or automatically depending on parameter PO5 only when the water temperature returns within the operating limits that is above A01 A02 Q ON OFF Al A1 A2 Fig 4 a Key 1 compressor 2 temperature man uGEO 030220831 rel 2 0 15 10 2008 Tab 4 a Antifreeze alarm differential A02 This represents the differential for the deactivation of the antifreeze alarm the alarm condition cannot be reset until the temperature exceeds the set point differential A01 A02 Antifreeze alarm by passes time A03 This represents the delay in the activation of the antifreeze alarm when starting the system Set anti freeze resistance in cooling mode summer mode A04 Determines the threshold below which the support resistances are not used in summer mode Whenever the resistances are activated the pump is activated if present The set point is considered absolute or relative d
56. e relative to the set point A8 and A11 vabsloute values 3 A4 A8 and A11 values relative to the set point r45 2nd setpoint for sanitary water only working in D r15 1116 UF 0 1 550 J 57 R W Dd Analog heating mode r46 Compaensation balance rate D 0 100 1 100 4 R W 211 Integer r49 With uAD connected the water set point is D 0 1 1 0 30 R W 30 Digital switched to the ambient set point when the ambient set point is satisfied Tab 5 l Timer setting parameters t display parameter type min max UOM variat def visibilty superv Modbus var type code Variable t01 RTC hour U 0 23 1 0 W 129 R W 336 Integer t02 RTC minutes U 0 59 1 0 W 130 RAW 1337 Integer t03 RTC day U 1 31 1 1 W 131 R W 1338 Integer t04 RTC month U 1 12 1 1 W 132 RAW 1339 Integer t05 RTC year U 0 99 1 6 W 133 R W 340 Integer t06 2nd summer set point start hour U 0 23 1 0 W 92 R W 299 Integer 107 2nd summer set point start minutes U 0 59 1 0 W 93 R W 300 Integer t08 2nd summer set point end hour U 0 23 1 0 W 94 R W 301 Integer t09 2nd summer set point end minutes U 0 59 1 0 W 95 R W 302 Integer t10 2nd winter set point start hour U 0 23 1 0 W 96 R W 303 Integer t11 2nd winter set point start minutes U 0 59 1 0 W 97 R W 304 Integer t12 2nd winter set point end houro U 0 23 1 0 W 98 R W 305 Integer 13 2nd winter set point end minutes U 0 59 1 0 W 99 R W 306 Integer t14 2nd summer low noise start hour U 0 23 1 23 W 100 RAW 307
57. ecreases measured by the outside probe if on the other hand r31 is negative the set point increases as the outside temperature decreases This maximum deviation of the set point from the set value is equal to parameter r18 See for example parameter r17 Autotuning correction coefficient r39 when changing the step in autotuning prevents sudden variations in the controlled values from altering the control logic Electric heater set point relationship r43 defines the relationship between the absolute set point considered as the activation threshold for the electric heaters and the relative set point that is the activation threshold for the electric heaters referred o a working set point set point sent by uAD r01 or r04 or from time band depending on the various applications and the mode cooling or heating and more precise r40 0 electric heater set point A4 A8 and A11 on absolute values r40 1 electric heater set point A4 absolute value A8 and A11 values relative to the working set point r40 2 electric heater set point A4 value relative to the working set point A8 and A11 absolute values r40 3 electric heater set point A4 A8 and A11 values relative to the working set point Set point for Sanitary Water circuit heating heat pump r45 Set point in the systems with 2 loads always used for sanitary water set point Balance rate R46 Represent the percentage between the internal compensation IC and external
58. ed OFF The four way valve is switched ON after C22 2 C22 4 5 Defrost settings parameters d The defrost has priority over the compressor times For the defrost function the compressors times are ignored except for C04 see C04 description for the exceptions Enable condenser defrost antifreeze d01 For heat pumps with air cooled condensers HO1 0 this establishes whether defrost control must be performed on the outdoor exchanger evaporator in heating mode On the other hand for water water heat pumps with reversal on the gas circuit HO1 1 it enables antifreeze control on the cooling water for the outdoor exchanger which becomes the evaporator in heating mode see d03 man uGEO 030220831 rel 2 0 15 10 2008 If the fan is not present the function is not enabled for air water units d01 0 condenser defrost antifreeze disabled d01 1 condenser defrost antifreeze enabled If defrosting is operating the relative symbol will be illuminated on the display During defrosting all compressors of the circuit in defrost are made to function at maximum power respecting times c4 C7 In the passage from pump to defrost chiller and return to heat pump the evaporator pump must always function if present When the defrosting happens in the Sanitary Water circuit the system turns to the Second Load circuit immediately Type of defrost d02 establishes the type of defrost d02 0 the defrost has a fixed d
59. epending on parameter the anti freeze resistances are switched on The anti freeze resistance switch on function is also activated when the machine is in stand by The function is not active when the machine is in stand by In the air air heat pump r43 Anti freeze resistances differential A05 Differential for the activation deactivation of the anti freeze resistances Functioning diagram of the anti freeze alarm and anti freeze resistances for air water water water chiller and heat pump modes Q Q A4 Al t Fig 4 b Operating diagram of the antifreeze alarm and the antifreeze heaters for air water and water water chillers and heat pumps Key 1 Antifreeze alarm differential A2 2 Antifreeze heater differential A5 3 Heaters 4 antifreeze alarm 5 antifreeze heater set point A4 6 antifreeze alarm set point A1 CAREL Support resistance probe only second load A06 Determines the probe to use B3 or B2 to control the support resistances The parameter means Ab 0 gt b3 A6 1 gt B2 The probes are fixed for all other units See probe operational correspondence Probes used for Resistances Anti freeze Defrost Delivery Auto Switch on The table below shows all of the probes used for the different functions The table has used probe B3 as the control probe and probe B2 as the anti freeze probe Sanitary water
60. erates in the previous mode if the probe reading is within the hysteresis 24 r07 and 24 r07 otherwise it starts with the new mode If the changeover probe reading is out of range the probe alarm is activated and the outputs are deactivated If r07 0 the differential for reversing the cycle is dictated by the first compressor step differential Example di changeover for air water and water water units Fig 4 5 Key 1 changeover 2 changeover probe r23 3 heating 4 cooling Outside temperature set point to stop compressors r25 To avoid energy efficiency lower than electrical heating the compressors are stopped if the outside temperature falls below r25 the differential to start them again is set to 1 degree The heaters can then be activated according to the corresponding set point Setting r25 to 40 default value disabled the function man uGEO 030220831 rel 2 0 15 10 2008 22 CAREL Example of compressor eactivation due to outside temperature O ON r25 r25 1 C Fig 4 t Summer set point in dehumidify mode r26 Alternative set point to r01 when the dehumidification function is active as sent to the GEO by the terminal The differential remains the same as for chiller mode r02 Buffer tank suppression low load on second load r27 The low load condition is determined when only one compressor is started and then is stopped after operating for less than the time set for par
61. ers H CAREL display parameter type min max UOM variat def visibility superv Modbus var type code variable H01 Machine model F 0 1 flag 1 1 27 R W 27 Digital 0 air water heat pump 1 water water heat pump gas rev H04 Number of compressors F 0 2 flag 1 0 55 R W 262 Integer 0 1 comp on 1 circuit mono circuit 1 2 comp Tandem on 1 circuit mono circuit 2 1 compressor and one capacity step on one circuitt HO5 Pump mode F 0 3 flag 1 1 56 R W 263 Integer O absent 1 always on 2 0n at adjuster request 3 on at adjuster request and timed HO06 Geothermal Pump mode F 0 2 flag 1 1 75 R W 282 Integer O absent 1 always on 2 on at adjuster request H08 Network configuration F 0 1 flag 1 0 i 26 R W 26 Digital 0 uGeo Exp 1 uGeo Exp EVD H09 Keyboard lock U 0 1 flag 1 1 16 R W 16 Digital 0 disabled 1 enabled H10 Serial address U 1 200 gt 1 58 R 265 Integer Value 0 future use as terminal H12 Capacity step logic and inversion valve F 0 3 flag 1 1 gt 60 R W 267 Integer 0 Both normally closed 1 Both nomally open 2 Inversion valve normally open and capacity step valve normally closed 3 Inversion valve normally closed and capacity step valve normally open H13 Pump down activation F 0 1 1 0 V 17 R W 17 Digital H14 Pump down minimum pressure F 0 500 dbar 0 1
62. for example the power supply to the UC SE system is three phase make sure that the primary of the transformer supplying the uC SE board is connected to the same phase that is connected to terminals N and L on the speed control board therefore do not use 380 Vac 24 Vac transformers to supply the controller if the phase and neutral are used to directly power the speed control boards Connect the earth terminal where envisaged to the earth in the electrical panel LOAD LINE u e o eo o O O 3 220 Vac Fig 7 c Key I to piGEO 2 earth 3 to motor CAREL 7 5 Fan ON OFF control board code CONVONOFFO The relay boards code CONVONOFFO are used for the ON OFF management of the condenser fans The control relay has a switchable power rating of 10 A at 250 Vac in ACI 1 3 HP inductive to UGEO 24 Vac Y GND eee 1722324 5S6 7 00 0e No Com Nc Fig 7 d 7 6 PWM to Oto 10 Vdc or 4 to 20 mA conversion board for fans code CONVO 10A0 The CONVO 10A0 boards convert the PWM signal at terminal Y on the UGEO to a standard 0 to 10 Vdc or 4 to 20 mA signal The FCS series three phase controllers can be connected to the uGEO without using this module to UGEO 24 Vac Y GND GO 0 10V GO 4 20mA Fig 7 e 7 7 Minimum and maximum fan speed calculation This procedure should only be performed when the fan speed control boards are sued code MCHRTF it must be stressed that
63. gnal on display PHI Half power for HP Automatic OFF C2 Signal on display pl Half power for LP Automatic ORFC2 Signal on display Et Terminal probe error Automatic OFF OFF OFF OFF ON General alarm Digital dEL Low dte Automatic 77 R DTE DTC alarm Digital dEH High dte Automatic 77 R DTE DTC alarm Digital CHI High dtc Automatic 77 R DTE DTC alarm Digital CLI Low dtc Automatic 77 R DTE DTC alarm Digital SH1 Super heat at EVD1 tEr Lost of UAD Automatic OFF OFF OFF OFF OFF ON 45 R General alarm Digital EpE External probe error Automatic s Geo probe alarm Digital man GEO 030220831 rel 2 0 15 10 2008 36 CAREL alarm alarm type resetting compressor pump fan heater valve alarm warning super superv variab variab display var description type Htb High Temp Boiler Manual OFF OFF OFF OFF ON Sanitary water Digital alarm FLE External flow switch Manual OFF OFF OFF ON Geo probe alarm Digital alarm Alb Generical Boiler Alarm Manual OFF OFF OFF OFF ON Sanitary water Digital alarm FLS SL flow alarm Manual OFF OFF OFF ON Geo probe alarm Digital FLB SW alarm Manual OFF OFF OFF a a ON Geo probe alarm Digital Tps General overload Depends on P05 OFF OFF OFF a ON 50 R General warning Digital Tpb General overload Depen
64. he dead zone moves the heating proportional band below the set point by the value r07 CAREL Outlet temperature control by time r06 4 second load only This type of control is based on the need to maintain the outlet temperature as constant as possible despite the load being variable or the reduced inertia of the system The logic has the aim of keeping the temperature inside the dead zone Outside the zone the compressors will be activated with the logic described below so as to return inside the dead zone neither too quickly using an integral or derivative nor too slowly with fixed time logic There are two logical times involved the activation time and deactivation time activation time time temperature r03 r03 r12 dead zone comp act differential Fig 4 q Dead zone differential r07 see dead zone Minimum Cooling set point r13 Establishes the minimum limit for setting the Cooling set point Maximum Cooling set point r14 Establishes the maximum limit for setting the Cooling set point Minimum heating set point r15 Establishes the minimum limit for setting the heating set point Maximum heating set point r16 Establishes the maximum limit for setting the heating set point Cooling compensation constant chiller mode r17 Setsthe coefficientthat controls the cooling compensation algorithm In cooling mode if r17 is positive the set point increases as the outside temperature increases measu
65. he fans pumps are activated at the minimum speed and then controlled based on the condensing temperature pressure Triac impulse duration F12 This represents the duration in milliseconds for the impulse applied to the triac For induction motors set the parameter to 2 default On the other hand when using the CONVONOFFO CONVO 10A0 modules or FCS controllers set the parameter to 0 Fan management in defrosting mode F13 This parameter sets the functioning logic of the condensation fans during defrosting F13 0 default the fans are deactivated F13 1 the fans are activated as in Chiller mode cooling with respect to the temperature or pressure F13 2 the fans are deactivated up to defrosting end pressure or temperature above which they are switched on at maximum speed for the time set in parameter d16 Only at the end of this time the cycle will go back to heat pump mode with normal fan management Fan enabling for start up in high condensation temperature F14 establishes the time the fan oumps are operated at the maximum speed if starting with a high condensing temperature condition F14 0 function disabled F14 1 999 fan time Sec The function is operational only in chiller mode if the probe on the condenser is a temperature senor and only for air cooled units When the first compressor starts it is a assumed that the temperature of the environment is close to the temperature of the condenser if the v
66. ice in any way other than described in the manual e Do not drop hit or shake the device as the internal circuits and mechanisms may be irreparably damaged Do not use corrosive chemicals solvents or aggressive detergents to clean the device Do not use the product for applications other than those specified in the technical manual All of the above suggestions likewise apply to the controllers serial boards programming keys or any other accessory in the CAREL product portfolio CAREL adopts a policy of continual development Consequently CAREL reserves the right to make changes and improvements to any product described in this document without prior warning The technical specifications shown in the manual may be changed without prior warning The liability of CAREL in relation to its products is specified in the CAREL general contract conditions available on the website www carel com and or by specific agreements with customers specifically to the extent where allowed by applicable legislation in no case will CAREL its employees or subsidiaries be liable for any lost earnings or sales losses of data and information costs of replacement goods or services damage to things or people downtime or any direct indirect incidental actual punitive exemplary special or consequential damage of any kind whatsoever whether contractual extra contractual or due to negligence or any other liabilities deriving from the installat
67. if the ON OFF modules code CONVONOFFO or alternatively the PWM to 0 to 10 V converters code CONVO 10A0 are used parameter F03 should be set to zero and parameter F04 to the maximum value Given the different types of motors existing on the market the user must be able to set the voltages supplied by the electronic board corresponding to the minimum and maximum speeds In this regard and if the default values are not suitable proceed as follows set parameter F02 3 and set F03 and F04 to zero e the condenser control set point evaporator in HP mode has been modified to take the output signal to the maximum value PWM e increase F04 until the fan operates at a sufficient speed make sure that after having stopped it it can rotate freely when released e copy this value to parameter F03 this sets the voltage for the minimum speed 41 connect a voltmeter set for AC 250V between the two L terminals the two external contacts e increase F04 until the voltage stabilises at around 2 Vac inductive motors or 1 6 1 7 Vac capacitive motors Once the value has been found it will be evident that even when increasing F04 the voltage no longer decreases In any case do not increase F04 further so as to avoid damaging the motor restore the correct condenser set point evaporator in HP mode The operation is now completed LOAD LINE HE 7 8 Programming key code PSOPZKEYAO The program
68. il exit with variations saved in EEPROM In case of active alarm deactivate the single press alarm relay Direct access to parameters Item selection within the programming L environment and displsy of direct parameters value confirmation of parameter variations Programming parameters by means of password introduction press for 5 secs single press L press for 5 secs key machine state presure mode Upper item selection within the single or continuous programming environment pressing Value increase within the programming single or continuous environment pressing J Passage from stand by to chiller mode press for 5 secs P6 0 and vice versa Allows immediate access to the pressure single press and temperature probes of the condenser evaporator and DTE DTC1 2 Lower item selection within the single or continuous programming enviroment pressing Value decrease single or continuous pressing K Passage from stand by to heat pump mode press for 5 secs P6 0 and vice versa Allows immediate access to the pressure single press and temperature probes of the condenser evaporator and DTE DTC1 2 Manual alarm reset Immediate zeroing of the hour counter within the programming environment and DTE DTC1 2 L J Manual forced defrosting for both circuits press for 5 secs press for 5 secs press for 5 secs J K Tab 3 b 3 3 Setting and editing parameters
69. ill not switch over Hour counter compressor 1 2 c10 c11 These indicate the number of operating hours of compressor 1 2 expressed in hundreds of hours Pressing and together when the hour counter is displayed resets the hour counter and consequently cancels any maintenance requests in progress c10 operating hours comp 1 c11 operating hours comp 2 Compressor operating hour counter threshold c14 This sets the number of compressors operating hours expressed in hundreds of hours above which the maintenance request signal is sent c14 0 function disabled Evaporator pump fan 1 hour counter c15 This indicates the number of operating hours for the evaporator pump or fan 1 expressed in hundreds of hours Pressing UP and DOWN together when the hour counter is displayed resets the hour counter and consequently cancels any maintenance requests in progress Condenser or backup pump fan 2 hour counter c16 This indicates the number of operating hours for the condenser or backup pump or fan 2 expressed in hundreds of hours Pressing UP and DOWN together when the hour counter is displayed resets the hour counter and consequently cancels any maintenance requests in progress Pump off time in burst mode c17 The diagram below shows an example of the operation of the pump with burst active when H05 H25 3 see parameter H05 H25 The dashed areas on the compressor line indicate the pump compressor and compressor pum
70. ion use or impossibility to use the product even if CAREL or its subsidiaries are warned of the possibility of such damage DISPOSAL OF THE PRODUCT The product is made up of metal parts and plastic parts In reference to European Union directive 2002 96 EC issued on 27 January 2003 and the related national legislation please note that 1 WEEE cannot be disposed of as municipal waste and such waste must be collected and disposed of separately 2 The public or private waste collection systems defined by local legislation must be used In addition the equipment can be returned to the distributor at the end of its working life when buying new equipment 3 The equipment may contain hazardous substances the improper use or incorrect disposal of such may have negative effects on human health and on the environment 4 The symbol crossed out wheeled bin shown on the product or on the packaging and on the instruction 5 Sheet indicates that the equipment has been introduced onto the market after 13 August 2005 and that it must be disposed of separately 6 Inthe event of illegal disposal of electrical and electronic waste the penalties are specified by local waste disposal legislation If the appliance is used in a way that is not described by the manufacturer the specified level of protection may be affected man uGEO 030220831 rel 2 0 15 10 2008 CAREL Content 1 INTRODUCTION 7 LT eee Tal 31 010 PRA 7 1 2
71. ith automatic restore n c 9 summer winter open summer closed winter 10 Mode Selection open standby closed on 11 alarm signal with manual restore normally closed 12 alarm signal with automatic restore normally closed 13 second Set point from external contact summer and winter normally open 14 defrost end from contact normally closed 15 defrost start from contact normally closed 16 External request selection open second load closed sanitary water 17 High pressure 18 Low pressure 19 Sanitary water allarm 20 Enable second set point by time 21 Sanitary water pump circuit breaker manual restore 22 Sanitary water pump circuit breaker automatic restore 23 Second load pump circuit breaker manual restore 24 Second load pump circuit breaker automatic restore 25 Ground source pump circuit breaker manual restore 26 Ground source pump circuit breaker automatic restore P8 27 External Request only for sanitary water it has the priority to P8 16 PO9 Digital input 2 selection F 0 2l Integer P10 Digital input 6 selection F 0 278 Integer P11 Digital input 7 selection F 0 int 279 Integer P12 Digital input 10 selection F 0 int 280 Integer Pis Low pressure alarm selection F 0 flag 283 Integer 0 not active with compressor off 1 active with compressor off P16 Set installation high temperature alarm U 400 GE 38 Analog P17 High temperature alarm delay on switch on U 0 sec 284 Integer P18 Set high pressure alarm
72. l be managed according to its own transducer P33 0 the function is disabled Mute alarm relay using PRg mute button P35 0 the PRG mute button does not alter the status of the relay if the alarm is active and in progress P35 1 the PRG mute button alters the status of the relay even ifthe alarm is active and in progress as if it were a buzzer or a siren High pressure alarm management P36 the parameter is used to consider the high pressure alarm even when the compressor is off or consider it only when the compressor is on depending on whether the pressure switch is directly connected to the digital input on the controller or via another circuit P36 0 high pressure alarm always considered pressure switch connected directly to the digital input P36 1 high pressure alarm considered 2 seconds after starting the compressor Threshold for External geothermical probe error P38 This parameter is used to set the threshold of alarm for probe 5 and 6 If the absolute value of difference between the values read from probe 5 and 6 is beyond P38 The alarm for probe 5 and 6 takes place Threshold for High Temperature Sanitary Water P39 this parameter is used to set the threshold beyond which causes the high temperature alarm of sanitary water If the value read from sanitary water probe B1 is beyond P39 the alarm for high temperature sanitary water takes place 4 9 Control settings parameters r r1 summer set point
73. m d11 0 antifreeze auxiliary heater not activated in defrost d11 1 antifreeze auxiliary heater activated in defrost Forced ventilation time at end defrost d16 If the parameter F13 2 as soon as the end defrost temperature or pressure is reached the fans are activated at maximum speed for the set time before the change in operating mode Only at the end of this time will the cycle switch back to heat pump mode with the normal management of the fans Defrost with compressors OFF Fan Defrost d17 This function allows the outside temperature to be exploited when sufficient to defrost the external heat exchanger In these conditions the unit rather than reverse the cycle simply turns OFF the compressors and activates the fans at maximum speed The start and end defrost conditions remain unchanged as does the use of any auxiliary heaters The parameter has the following settings d17 0 function disabled d17 gt 0 function enabled with relative set point which represents the minimum defrost temperature set by the manufacturer Above the set point the unit performs the Fan Defrost CAREL Max outside temperature threshold for sliding defrost d18 This establishes the maximum value of the outside temperature below which sliding defrost is activated Maximum temperature pressure differential deviation for defrost d19 This value is expressed in C if the compensation is controlled by temperature or in bar if contr
74. manual reset high pressure low pressure antifreeze as per the following table PO5 0 default high pressure low pressure and antifreeze with manual reset PO5 1 all the alarms with automatic reset PO5 2 high pressure and antifreeze in manual low pressure automatic PO5 3 high pressure manual low pressure and antifreeze in automatic PO5 4 high and low pressure manual antifreeze in automatic PO5 5 high and low pressure manual after the third activation in one hour antifreeze in automatic PO5 6 high and low pressure manual after the third activation in one hour antifreeze in manual the high and low pressure alarms are managed in the same way both for the transducers and the pressure switches digital input if the unit is in standby the count 3 times in one hour is reset Cooling Heating logic PO6 If this parameter is set to 1 the operating logic of the Cooling Heating logic is reversed from the keypad the remote control and the digital input Symbol P06 0 PO6 1 Sun Cooling chiller Heating heat pump Ice Heating heat pump Cooling chiller Tab 4 d Low pressure alarm with pressure probes PO7 0 this function is disabled PO7 1 if the pressure measured by the analogue pressure probes is less than the low pressure threshold the low pressure alarm is activated while still considering the delay PO3 O Note P07 1 the LP digital inputs in heat pump are ignored CA
75. meter is set to 1 it disables the possibility of restoring the default parameters using the PRG button at power ON Select supervisor protocol H23 establishes the protocol used for the connection to the supervisor from the serial board RS485 H23 0 CAREL protocol baud rate 19200 H23 1 Modbus protocol man uGEO 030220831 rel 2 0 15 10 2008 Select control priority H24 establishes the priority of regulation on sanitary water or second load If there s no digital input of mode option the parameter H24 determines the request priority H24 0 The priority of heat pump is assigned to sanitary water heating mode Then ifthe set point of sanitary water is satisfied the control works to regulate the temperature of second load i e under floor heating H24 1 The priority of heat pump chiller is assigned to second load If the set point is satisfied the control works to regulate the temperature of sanitary water if necessary H25 second load pump functioning mode Establishes the functioning mode of the water circulation pump in the second load exchanger H25 0 pump disabled the flow meter alarm is ignored H25 1 always on the alarm is managed H25 2 on with call from compressor the alarm is managed H25 3 the pump will be activated with regular On and Off intervals independently from the compressors From Burst setting see parameters C17 and C18 On the request for hot and cold mode the ev
76. ming keys PSOPZKEYOO and PSOPZKEYAO for CAREL controllers are used for copying the complete set parameters for uGEO The keys must be connected to the connector 4 pin AMP fitted on the controllers and can work with the instruments ON or OFF as indicated in the operating instructions for the specific controller The two main functions upload download that can be selected through two dip switches which are placed under the battery cover They are Loading to the key the parameters of a controller UPLOAD Copying from the key to one or more controllers DOWNLOAD 2m Fig 7 9 a Fig 7 g b A Warning the copying of the parameters is allowed only between instruments with the same code Data loading operation to the key is always allowed To make identification of the key easier CAREL has inserted a label on which you can describe the loaded programming or the machine to which you are referring Important note the key can be used only with controllers GEO that have the same firmware version man uGEO 030220831 rel 2 0 15 10 2008 UPLOAD copying the parameters from an instrument to the key open the rear hatch of the key and place the two dip switches in the OFF position see Fig 7 j a Close the hatch connect the key to the connector of the instrument press the button on the key and keep it pressed checking the LED signal sequence at first it is red after a few seconds it becomes green if the
77. mp sanitary water Second load Second load High Ext exchange External temp Low pressure temp outlet temp inlet temp pressure probe water water heat pump sanitary water Second load Second load High Geothermal Geothermal External temp Low pressure temp outlet temp inlet temp pressure outlet temp inlet temp Min max voltage and pressure values From 09 to 12 sets the minimum maximum voltage and pressure for the ratio metric signal Probe calibration From 13 to 20 calibrates the corresponding sensor from BI to B8 Digital filter 21 Establishes the coefficient used in the digital filtering of the value measured High values for this parameter will eliminate any continuous disturbance at the analogue inputs however decrease the promptness of measurement The recommended value is 4 default Input limit 22 Establishes the maximum variation that can be measured by the probes in one unit program cycle in practice the maximum variations allowed in the measurement are between 0 1 and 1 5 units bars C or F depending on the probe and the unit of measure approximately every one second Low values for this parameter will limit the effect of impulsive disturbance The recommended value is 8 default Unit of measure 23 Selects the unit of measure as degrees centigrade or Fahrenheit When the parameter is modified the UGEO automatically converts the values read by the NTC temperature probes into th
78. mpressor is ON with speed control When the compressors are stopped the corresponding fans pumps are also stopped irrespective of the condensing temperature pressure With FO2 3 and an NTC condenser probe when the compressor starts the fans pumps are started at maximum speed for the time F11 irrespective of the temperature measured In the event of a condenser probe fault the fans pumps will be switched OFF 15 Minmum voltage threshold for Triac F03 In the event of fan pump speed control the optional phase cutting cards MCHRTF are required fitted with a triac The voltage delivered by the triac to the electric fan pump motor corresponding to the minimum speed must be set The set value does not correspond to the actual voltage in Volts applied but rather to an internal unit of calculation in the uGEO If using FCS controllers set this parameter to 0 F03 Represents the minimum threshold for the triac Maximum voltage threshold for Triac FO4 In the event of fan pump speed control the optional phase cutting cards MCHRTF are required fitted with a triac The voltage delivered by the triac to the electric fan pump motor corresponding to the maximum speed must be set The set value does not correspond to the actual voltage in Volts applied but rather to an internal unit of calculation in the uGEO If using FCS controllers set this parameter to 100 F04 Represents the maximum threshold for the triac Temperature
79. nctional Insulation between relays in group A and the very low voltage parts reinforced Insulation between relays in group A and the signal relay primary Insulation between the signal relay and the very low voltage parts reinforced Insulation between relays and the front panel reinforced Digital inputs ID1 to ID5 IDB4 Electrical standard voltage free contact Closing current to ground 5 mA Maximum closing resistance 50 W Analogue inputs B1 B2 B3 CAREL NTC temperature probes 10 kW at 25 C The response time depends on the component used typical value 90 s B4 CAREL 0 to 5 V or free contact ratiometric pressure probes Fan output Control signal for CAREL MCHRTF CONVONOFF and CONV0 10A modules Modulation of impulse position set amplitude or modulation of the duty cycle Refer to the user manual for the configuration of the parameters Loadless voltage 5V 10 Short circuit current 30 mA Minimum output load 1 kW Front panel index of protection IP55 Storage conditions 10T70 C humidity 80 r H non condensing Operating conditions 10T50 C humidity lt 90 r H non condensing Degree of pollution normal Cat of resist to heat and fire D UL94 VO PTI of the insulating materials gt 250V Class and structure of the software A Period of electrical stress across the insulating parts long Tab 8 a Note All the relays
80. olled by pressure The value set is subtracted from d03 Outside temperature differential for compensation saturation d20 The value set is subtracted for d18 4 6 Fan settings Parameters F Fan Pump output F01 Enables the operation of the fans pumps FO1 0 fans absent FO1 1 fans present The PWM output requires the presence of the optional fan pump control cards ON OFF for the CONVONOFF module or speed variation for MCHRTF or FCS three phase Fan pump operating mode F02 This establishes the operating logic for the geothermal fan pump F18 This establishes the operating logic for the sanitary water pump FO2 F18 0 always ON at maximum speed independently from the compressors The fans pumps are only switched OFF when the unit is in standby F02 F18 1 ON at maximum speed when at least one compressor in the corresponding circuit is ON parallel operation in each circuit F02 F18 2 ON when the corresponding compressor is ON with ON OFF control based on the temperature pressure settings for the minimum and maximum speed parameters F05 F06 F08 and F09 When the compressors are stopped the corresponding fans pumps are also stopped irrespective of the condensing temperature pressure cooling ON OFF heating ON OFF 100 100 F04 F04 0 FOS 0 F08 F06 2 F09 2 Fig 4 m a cooling with speed control heating with speed control 100 ui Fig 4 m b F02 F18 3 ON when the corresponding co
81. ontact D r15 rie CF 0 1 400 56 R W 56 Analog r23 Automatic change over probe selection D 0 8 flag 1 0 i 84 RAW 291 Integer man uGEO 030220831 rel 2 0 15 10 2008 32 CAREL display parameter type min max UOM variat def visibilty superv Modbus var type code Variable r24 Automatic change over set point D FIS 1416 ALE 0 1 400 61 R W 61 Analog r25 External temperature set point for compressor D 400 800 C F 0 1 400 65 R W 65 Analog deactivation r26 Summer set point in dehumidify mode D r13 r14 CIF 0 1 120 66 R W 66 Analog r27 Enabling of water vessel suppression F 0 3 flag 1 0 88 R W 295 Integer 0 Disabled 1 Enabled in winter 2 Enabled in summer 3 Always enabled r28 Compressor minimum functioning time for low F 0 999 s 1 60 89 R W 296 Integer load r29 Chiller low load differential F 10 gt 00 SCE 0 1 30 gt 58 R W 58 Analog r30 Heat pump low load differential F 10 500 C F 0 1 30 59 R W 59 Analog r31 Winter compensation constant U 50 150 0 1 0 60 R W 60 Analog r39 Auto tuning corrective co efficient F 11 30 0 1 13 75 R W 73 Analog r43 Resistances set point F 0 3 1 0 45 R W 252 Integer 0 A4 A8 and A11 absolute values 1 A4 absolute value A8 and A11 values relative to the set point 2 A4 valu
82. ormal running conditions U 0 120 sec 1 5 64 R W 27 Integer PO3 Low pressure alarm delay on compressor start up U 0 200 sec 1 40 65 R W 272 Integer P04 Enabling of Comp capacity step in high pressure U 0 3 flag 1 0 P 66 R W 273 Integer 0 Capacity stepping deactivated 1 High pressure capacity stepping activated 2 Low pressure capacity stepping activated 3 High and low pressure capacity stepping activated POS Restore alarms F 0 6 flag 1 0 s 67 R W 274 Integer O HP LP A Lt manual 1 HP LP A Lt automatic 2 HP A Lt manuale LP1 2 automatic 3 HP manual LP A Lt automatic 4 HP LP manual A Lt automatic 5 HP LP 3 times in one hour manual A Lt automatic 6 HP LP 3 times in one hour manual A Lt manual PO6 Summer winter logic F 0 1 flag 11 0 19 R W 19 Digital 0 Chiller Heat pump 1 Heat pump Chiller PO7 Low pressure alarm with pressure probe F 0 1 flag 1 0 P 68 R W 275 Integer 0 Disabled 1 Enabled PO8 digital input 1 selection F 0 27 int 1 0 69 R W 276 Integer 0 none 1 flow meter ground source pump with manual restore n c 2 flow meter ground source pump with automatic restore n c 3 flow meter sanitary water pump with manual restore n c 4 flow meter sanitary water pump with automatic restore n c 5 flow meter second load pump with manual restore n c 6 flow meter second load pump with automatic restore n c 7 compressor s circuit breaker with manual restore n c 8 compressor s circuit breaker w
83. p HO5 0 pump disabled the flow switch alarm is ignored HO5 1 always ON the alarm is managed HO5 2 ON when called by compressor the alarm is managed HO5 3 the pump will be started and stopped at regular intervals independently from the compressors as per the Burst setting see parameters c17 and c18 When the heating or cooling signal is received first the evaporator pump outlet fan starts always ON and then the compressor after the set times c07 c08 The pump will not be stopped until all the compressors are Off Geothermal pump mode HO6 This establishes the operating mode for the evaporator water pump H06 0 pump disabled the flow switch alarm is ignored H06 1 always ON the alarm is managed H06 2 ON when called by compressor the alarm is managed When the heating or cooling signal is received first the evaporator pump outlet fan starts always ON and then the compressor after the set times c07 c08 The pump will not be stopped until all the compressors are Off HGEO network configuration H08 Establishes the layout of the tLan network 0 uGEO EXP 1 uGEO EXP EVD Enable keypad H09 Used to disable the modification of the DIRECT and USER parameters from the keypad The value of the parameters can always be displayed The enable disable cooling heating and reset counter functions are also available Values 0 keypad disabled 1 keypad enabled default Seri
84. p delay times Burst mode is disabled in standby and during an alarm when the pump is OFF At power ON the delay c17 must elapse before burst can start 13 Minimum pump fan ON time c18 This represents the minimum time that the pump remains ON for see Fig 4 j active with H05 H25 3 see parameter H05 H25 Fig 4 j Key 1 compressor 2 pump 3 burst Sanitary water regulation ON time When there re two requests at the same time from sanitary water and second load circuits uGEO satisfies the request with higher priority firstly This management is limited by the following timers c19 and c20 c19 This timer represents the maximum allowed duration for sanitary water priority When this timer expires the priority is switched to the second load When the set point is satisfied the timer will be reset Second load regulation ON time c20 This timer represents the maximum allowed duration for second load priority When this timer expires the priority is switched to the sanitary water When the set point is satisfied the timer will be reset Delay in switching from heating to cooling c21 This time is used to switch from heating to cooling mode and sets a delay while the compressor will be OFF After C21 2 the reverse in switched OFF Delay in switching from cooling to heating c22 When there is a condition that force to change the state from cooling to heating a time is applied while the compressors are switch
85. play U 0 11 N 1 0 24 R W 231 Integer 0 Probe B1 1 Probe B2 2 Probe B3 3 Probe B4 4 Probe B5 5 Probe B6 6 Probe B7 7 Probe B8 8 Set point without compensation 9 Set point dynamic with eventual compensation 10 Digital input state ON OFF remote 11 uAD probe b01 Value read by probe B1 D 999 999 C F gt 0 102 R 102 Analog b02 Value read by probe B2 D 999 999 C F 0 103 R 103 Analog b03 Value read by probe B3 D 999 999 C F 0 104 R 104 Analog b04 Value read by probe B4 D 999 999 dbar 0 105 R 105 Analog b05 Value read by probe B5 D 999 999 C F a 0 106 R 106 Analog b06 Value read by probe B6 D 999 999 C F 0 107 R 107 Analog b07 Value read by probe B7 D 999 999 C F 0 108 R 108 Analog b08 Value read by probe B8 D 999 999 dbar 5 0 109 R 109 Analog b09 Evaporator Driver 1 Temperature D 0 0 C F 0 V 110 R 110 Analog b10 Evaporator Driver 1 Pressure D 0 0 dbar 0 V 111 R 111 Analog b11 Driver 1 Over heating D 0 d AUF 0 V 112 R 112 Analog b12 Driver 1 Saturation Temperature D 0 0 Cr 0 V 113 R 113 Analog b13 Driver 1 valve position D 0 1000 0 V 114 R 114 Analog b19 cl external heat exchanger output temperature D 0 0 C F 0 V 115 R 115 Analog probe b21 Terminal probe for uAD terminal D 400 800 C F 0 1 0 128 R W 1128 Analog Tab 5 e 27 man UGEO 030220831 rel 2 0 15 10 2008 Compressor setting parameters c CAREL
86. press Prog and Sel for 5 seconds the heating and cooling symbol and the figure 00 are displayed Il dela u UA bi u FB and to set he password and confirm by pressing Sel 1 2 3 use A 4 use and y to select the parameter menu S P or levels L P and then press Sel u Sea Il UA u m use and y to select the parameter group and then press Sel A a 6 use and to select the parameter and then press Sel 7 after making the changes to the parameter press Sel to confirm or prog to cancel the changes 8 press prog to return to the previous menu 9 to save the modifications press prog repeatedly until reaching the main menu O Note e the parameters that have been modified without being confirmed using the Sel button return to the previous value if no operations are performed on the keypad for 60 seconds the controller exits the parameter modification menu by timeout and the changes are cancelled Keypad The keypad is used to set the unit operating values see Parameters alarms Keypad combinations man uGEO 030220831 rel 2 0 15 10 2008 CAREL 4 FUNCTIONS 4 1 Probe settings parameters Type of probe from 01 to 08 enables the reading of the corresponding analogue input Functions of the probes Unit type param H01 B1 B2 B3 B4 B5 B6 B7 B8 air water heat pu
87. put 2 D 0 1 0 54 R 54 Digital Digital input 3 D 0 1 0 55 R 55 Digital Digital input 4 D 0 1 0 56 R 56 Digital Digital input 5 D 0 1 0 57 R 57 Digital Digital output 1 D 0 1 0 59 R W 59 Digital Digital output 2 D 0 1 1 0 60 R W 60 Digital Digital output 3 D 0 1 1 0 61 R W 61 Digital Digital output 4 D 0 1 1 0 62 R W 62 Digital Digital output 5 D 0 1 0 63 R W 63 Digital Stand by On state D 0 1 1 0 64 R W 64 Digital 0 Stand by 1 On Summer winter state D 0 1 1 1 65 R W 65 Digital 0 Winter 1 Summer Constant gain for probe 1 calibration F 0 8000 1000 5 R 212 Integer Constant gain for probe 2 calibration F 0 8000 1000 6 R 213 Integer Constant gain for probe 3 calibration F 0 8000 1000 7 R 214 Integer Constant gain for probe 4 calibration F 0 8000 1000 8 R 215 Integer Offset constant for probe 1 calibration F 8000 8000 0 9 R 216 Integer Offset constant for probe 2 calibration F 8000 8000 0 10 R 217 Integer Offset constant for probe 3 calibration F 8000 8000 0 11 R 218 Integer Offset constant for probe 4 calibration F 8000 8000 0 12 R 219 Integer Digital input 6 D 0 1 0 66 R 66 Digital Digital input 7 D 0 1 0 67 R 67 Digital Digital input 8 D 0 1 0 68 R 68 Digital Digital input 9 D 0 0 69 R 69 Digital Digital input 10 D 0 1 0 70 R 70 Digital Digital output 6 D 0 1 1 0 72 R W 72 Digital Digital output 7 D 0 1 1 0 73 RAV 73 Digital Digital output 8 D 0
88. r c18 Pump minimum switch on time U 0 15 Minuti 1 3 36 R W 243 Integer c19 max time for priority to sanitary water D 0 999 1 0 116 R W 1323 Integer 0 disabled c20 max time for priority to second load O disabled D 0 999 1 0 117 R W 1324 Integer c21 Heat pump gt chiller mode delay F 0 999 min 1 0 43 R W 250 Integer 22 Chiller gt heat pump mode delay F 0 999 min 1 0 44 R W 251 Integer Tab 5 f Defrost setting parameters d display parameter type min max UOM variat def visibility superv Modbus var type code Variable dol Defrost anti freeze execution U 0 1 Flag 1 0 7 R W 7 Digital condensation 0 no 1 si with unihed defrosting d02 Defrosting mode U 0 3 Flag 1 0 D 90 R W 297 Integer Time or temperature based defrosting O time 1 temperature or pressure 2 pressure start temperature end 3 Sliding defrost activation d03 Defrost start pressure U 11 d04 dbar 0 1 35 DP 18 R W 18 Analog Set condensation anti freeze alarm d03 Defrost start temperature U 400 d04 C F 0 1 50 DN 19 R W 19 Analog Set condensation anti freeze alarm d04 Defrost end temperature U G03 1212 dbar 0 1 140 IDP 20 R W 20 Analog d04 Defrost end pressure U d03 1760 C F 0 1 200 IDN 21 R W 21 Analog d05 Minimum time for defrost start U 10 150 sec 1 10 D 37 R W 244 Integer d06 Minimum defrosting duration U 0 150 sec 1 0 D 38 R W 245 Integer d07 Maximum defrosting duration U 1 150 Imin 1 5 D 39 R W 246
89. r P08 between r15 and r16 man uGEO 030220831 rel 2 0 15 10 2008 Select automatic changeover probe r23 Select automatic changeover probe r23 0 automatic changeover disabled to be selected when the uADad is used as in this case the changeover is managed completely by the terminal r23 1 automatic changeover enabled on probe B1 r23 2 automatic changeover enabled on probe B2 r23 3 automatic changeover enabled on probe B3 r23 4 automatic changeover enabled on probe BA r23 5 automatic changeover enabled on probe B5 r23 6 automatic changeover enabled on probe B6 r23 7 automatic changeover enabled on probe B7 r23 8 automatic changeover enabled on probe B8 Automatic changeover set point r24 Automatic changeover set point the change from cooling to heating occurs by decreasing temperature until reaching the set point r24 r07 observing the reversing times The change for heating to cooling occurs by increasing temperature until reaching the set point r24 r07 observing the reversing times Changeover is disabled if the selected probe r23 is not configured or is a pressure probe When changeover is enabled cooling heating inputs are ignored If the uAD is used set point r24 can be set on the terminal During defrost automatic changeover is disabled Only when the defrost ends the operating mode can be changed The same is true for the autostart function in antifreeze see A10 At power on the controller op
90. red by the outside probe if on the other hand r17 is negative the set point decreases as the outside temperature increases This difference in the set point from the set value can have a maximum absolute value equal to the setting of r18 The values for the parameters shown on the graph are r17 2 r01 25 r19 32 and r18 5 50 Fig 4 r Key 1 temperature 2 time 3 external temperature probe B7 4 comp start temperature r19 5 positive compensation r17 2 6 set point r1 7 negative compensation r17 2 Maximum deviation from the set point r18 Indicates the maximum deviation from the set point beyond which compensation is stopped maximum and minimum limits in reference to the set point Start compensation temperature in cooling outside probe r19 Sets the temperature measured by the outside probe above which the compensation function starts cooling value between 40 to 80 C Start compensation temperature in heating outside probe r20 Sets the temperature measured by the outside probe below which the compensation function starts heating the value must be between 40 to 80 C Second cooling set point from external contact r21 Represents the alternative to r01 if an associated digital input is closed see parameter P08 between r13 and r14 Second heating set point from external contact r22 Represents the alternative to r03 if an associated digital input is closed see paramete
91. ressor must remain ON for when started even if the stop signal is sent ON O OFF t ON n i OFF Fig 4 c Key 1 signal 2 compressor 3 min ON time interval Minimum OFF time c02 This establishes the time that the compressor must remain OFF for when stopped even ifthe start signal is sent The compressor LED flashes in this phase man uGEO 030220831 rel 2 0 15 10 2008 Key 1 signal 2 compressor 3 minimum off time Delay between 2 starts of the compressor c03 This sets the minimum time that must elapse between two successive starts of the same compressor determines the maximum number of starts per hour for the compressor The compressor LED flashes in this phase If by mistake the user enters a value lower than the sum of C01 C02 this param will be ignored and only the times C01 and C02 will be considered ON Q gt OFF ON OFF C2 t Fig 4 e Key 1 signal 2 compressor 3 min time interval between two ON routines Start delay between compressors c04 This sets the delay between the starts of the two compressors so as to reduce the peak power input and make the compressors start more smoothly The compressor LED flashes in this phase e In the event of capacity control the delay c04 between compressor and valve becomes c04 2 e In the event of defrost operation the delay between compressor and compressor is 3 seconds and between compressor and v
92. s the second cooling set point from external contact and heating set point from time band e g p08 14 the cooling time bands are ignored The second set point from external contact input has priority over the second cooling set point from external contact and heating set point from time band Start hours for low noise in cooling t14 Start hours for low noise in cooling Start minutes for low noise in cooling t15 Start minutes for low noise in cooling End hours for low noise in cooling t16 End hours for low noise in cooling End minutes for low noise in cooling t17 End minutes for low noise in cooling Start hours for low noise in heating t18 Start hours for low noise in heating Start minutes for low noise in heating t19 Start minutes for low noise in heating End hours for low noise in heating t20 End hours for low noise in heating End minutes for low noise in heating t21 End minutes for low noise in heating CAREL 5 PARAMETERS TABLE General parameters The parameters are divided into 4 different types according to their level Note The modifications to the parameters regarding the of access by the user password and their function configuration of the unit type number of compressors must For each level only the access to the parameters of the same or lower be performed with the controller in Standby level can be set This means that through factory password accessing the men
93. second load cooling Included between r13 and r14 r2 summer differential for second load and sanitary water cooling r3 winter set point second load heating heat pump included between r15 and r16 r4 winter differential for second load and sanitary water heating Compressor rotation r05 The rotation of the compressors allows the operating hours to be balanced either statistically using FIFO logic or absolutely by counting the effective operating hours Settings r05 0 rotation disabled The customer can use compressors with different power ratings according to the desired logic or manage the capacity control functions The compressors are started stopped in proportional mode r05 1 rotation with FIFO logic first ON first OFF and vice versa first OFF first ON in this mode the operating hours are optimized together with the number of starts even if the compressor safety times are always respected r05 2 rotation with control of operating hours in this way the compressors will have the same operating hours as the compressor with the least operating hours is always started first again observing the safety times This does not however consider FIFO logic and does not optimize the starts and stops In the case of capacity controlled compressors FIFO logic or timed operation will refer to the actual circuit and not the compressor valves There is no rotation between the compressor and the valve When stopping the valve is m
94. second load inlet probe B4 high pressure probe ID1 ID5 configured by users YI PWM output for geothermal pump fan Tab 7 a I O board description B5 geothermal outlet probe B6 geothermal inlet probe B7 external temperature probe B8 low pressure probe ID6 ID10 configured by users Y2 PWM output for sanitary water pump Tab 7 b 7 2 1 O board This device allows the uGEO to have all the necessary inputs and outputs O Note This device is not an optional board man uGEO 030220831 rel 2 0 15 10 2008 7 3 EVD4 Electronic expansion valve driver This device is used to control electronic expansion valves The device is connected to the uGEO via a tLAN serial line The condensing pressure probe must be connected to the uGEO which then sends the reading to the driver Note for all other information on the connections refer to the EVD4 driver manual PHOENIX GMSTB 2 5 2 ST EVD ep naa BE lt FCSER00000 G Vbat DI1 S4V S3 S2 S1 GO GND DI2 S41 Vr1 Vr2 OC E PHOENIX _ MC1 5 3 ST 3 81 MOLEX Mini Fit 538 39 01 2140 J MOLEX Mini Fit 538 39 01 2060 Fig 7 b 7 4 Fan speed control board code MCHRTF The phase cutting boards code MCHRTF are used to control the speed of the condenser fans IMPORTANT The power supply to the uGEO and the MCHRTF board must be in phase If
95. sequence of signals is as indicated above the copying operation has been completed correctly green LED ON the button can be released and the key disconnected from the instrument in case of different signals if the green LED doesn t turn on or if there are some flashes there s a problem Refer to the corresponding table for the meaning of the signals OFF Fig 7 h a DOWNLOAD copying the parameters from the key to the instrument open the rear hatch of the key and place the dip switch n 1 in the OFF position and the dip switch n 2 in the ON position see Fig 7 j b Close the hatch connect the key to the connector of the instrument press the button on the key and keep it pressed checking the LED signal sequence at first it is red after a few seconds it becomes green if the sequence of signals is as indicated above the copying operation has been completed correctly green LED ON the button can be released after a few seconds the LED turns off and the key can be disconnected from the instrument in case of different signals if the green LED doesn t turn on or if there are some flashes there s a problem Refer to the corresponding table for the meaning of the signals CAREL LED signal error meaning and solution red LED Flat batteries at the The batteries are flat the copying flashing beginning of the cannot be carried out copying Replace the battery only on PSOPZKEYOO green LED Flat batteries a
96. snean O 42 E een 43 8 TECHNICAL SPECIFICATIONS 44 8 1 Flnetlonalspecineatllons nee 44 9 APPENDIXES 45 DT PO DIK SON ee E ITACA AE 45 5 man uGEO 030220831 rel 2 0 15 10 2008 CAREL 1 INTRODUCTION 1 1 General description The uGEO is a new compact CAREL electronic controller the same size as a normal thermostat for the complete management of heat pumps and chillers uGEO is destined to applications mono circuit 1 or 2 compressors which can control air water water water units The expansion is indispensable to have all the necessary I Os Controlled devices e compressors e geothermal circuit pump outlet fan in air water unit e reversing valve water pumps for sanitary water and second load outlet fan in air water unit e antifreeze heater alarm signal device Programming CAREL offers the possibility to configure all the unit parameters not only from the keypad on the front panel but also using a hardware key e a serial line 1 2 List of functions and main features Main functions e regulate one circuit with two loads sanitary water and second load under floor heating swimming pool e geothermal heat exchange to save the energy control of the water inlet and outlet heat exchange temperature e defrost management by time and or by temperature or pressure fan pump speed control e complete alarm management e connection to serial line for supervision telemaintenance
97. support resistance F 0 1 Flag 1 0 6 R W 6 Digital Ab 0 gt BS A6 1 gt B2 A07 Set anti freeze alarm limits F 400 1760 C F 0 1 400 15 R W 15 Analog A08 Set support resistance in heating mode U A01 r16 CTF 0 1 250 AA 16 R W 16 Analog A08 Set anti freeze support resistance differential U 0 2009 CF 0 1 70 AR 78 R W 78 Analog A09 Support resistance in heating mode differential U 3 gt 00 Gr 0 1 30 17 RAW 17 Analog A10 A10 0 function not enabled U 0 3 1 0 23 R W 230 Integer A10 gt 0 In stand by mode the system is working in the SL circuit A10 1 Support resistances and pump are switched on at the same time on the basis of A4 A10 2 Pump and support resistance switched on on the basis of the respective set AA If the temperature drops below the anti freeze alarm set A1 the machine is switched on in heating mode A10 3 The support resistance is switched on on the basis of A4 according to the settings of the anti freeze or support resistances All Set support resistance 2 in heating mode U A01 rl6 C T 0 1 250 AA 67 R W 67 Analog A11 Support resistance 2 in heating mode differential U 0 200 C F 0 1 70 AR 79 R W 79 Analog A12 Support resistance in heating mode differential U 3 500 C F 0 1 30 82 R W 82 Analog Tab 5 d Probe reading parameters b display parameter type min max UOM variat def visibility superv Modbus var type code Variable 500 Probe selection for visualisation on dis
98. t The copying operation has been flashing the end of the carried out correctly but at the end copying only on PSOPZKEYOO of the operation the voltage of the batteries is low It is advisable to replace the batteries Alternate red green LED flashing orange signal Not compatible instrument The setup of the parameters cannot be copied since the model of the connected parameters is not compatible Such error happens only with the DOWNLOAD function check the controller code and make the copy only on compatible codes red and green LEDs ON Copying error Error in the copied data Repeat the operation if the problem persists check the batteries and the connections of the key red LED always ON Data transmission error The copying operation hasn t been completed because of serious data transmission or copying errors Repeat the operation if the problem persists check the batteries and the connections of the key LEDs OFF Batteries disconnected Check the batteries for the PSOPZKEYOO Power supply not connected Check the power supply for the PSOPZKEYAO Technical specifications Table 7 c Power supply to the Use three 1 5 V 190 mA batteries Duracell D357H PSOPZKEYOO or equivalent Maximum current supplied 50 mA max Power supply to the switching power supply PSOPZKEYAO Input 100 to 240 V 10 10 50 60 Hz 90 mA Output 5 Vdc 650 mA
99. tSET mode the following values are saved Only when R06 0 or 4 DTE Difference between evaporator inlet temperature B3 and outlet temperature B2 calculated at full load all compressors on when reaching the user set point Saved to memory on the E2P e DIC 1 Difference between outside exchanger temperature B5 B6 and outside temperature B7 this implies the configuration of a dedicated probe optional setting It is calculated whenever outdoor fan oump runs at maximum speed for 30s irrespective of the status of the compressors With proportional inlet control the dynamic set point STD and the corresponding proportional band are adapted according to the DTE With outlet control and dynamic logic that is dead zone and activation deactivation times the dead zone has a dynamic value In this case too control will be optimized according to the actual DTE measured Minimum DTE value allowed H17 Even if there is not danger involved beyond the limit a warning is sent AEL to check the water flow rate which is perhaps too high or low condenser efficiency Maximum DTE value allowed H18 Maximum value allowed for DTE above the limit the evaporator risks freezing the anomalous behavior is signaled by dEH Maximum DTC value allowed H19 Maximum value allowed for DTC above this value the condenser may be dirty chiller or dirty frozen heat pump Disable load default values H22 If this para
100. th the product or can be downloaded even prior to purchase from the website www carel com Each CAREL product in relation to its advanced level of technology requires setup configuration programming commissioning to be able to operate in the best possible way for the specific application The failure to complete such operations which are required indicated in the user manual may cause the final product to malfunction CAREL accepts no liability in such cases Only qualified personnel may install or carry out technical service on the product The customer must only use the product in the manner described in the documentation relating to the product In addition to observing any further warnings described in this manual the following warnings must be heeded for all CAREL products e Prevent the electronic circuits from getting wet Rain humidity and all types of liquids or condensate contain corrosive minerals that may damage the electronic circuits In any case the product should be used or stored in environments that comply with the temperature and humidity limits specified in the manual e Do not install the device in particularly hot environments Too high temperatures may reduce the life of electronic devices damage them and deform or melt the plastic parts In any case the product should be used or stored in environments that comply with the temperature and humidity limits specified in the manual Do not attempt to open the dev
101. u levels Level Level name Password L P it is possible to set the desired level for each parameter a Direct No password e Factory parameters Accessible with the 66 Factory password allow m m User 22 the configuration of all the unit parameters o Super user e Super User parameters Accessible with the 11 Super User password De factory 66 allow the configuration of the Super User User and Direct parameters Tab 5 a e User parameters Accessible with password 22 allow the configuration ofthe parameters that typically can be set by the user User parameters and the Direct parameters consequently relating to the options Direct parameters Accessible without password this are used to read the probe measurements and any data by any user without compromising the operation of the unit Menu structure For 5 main menu Prg Prg Save in the EEPROM mure mute And For 5 setting password E parameter lue 7 DI m value 5 5 Na vali SL j parameters level parameters F r k a ei arameters A i I software B Fra antifreeze w A parameters t N SK 4 I clock settings parameters b n I X Bu Gi BEG probes regulation v x parameters c e ali ri compressor parameters d parameters r o I parameters P
102. um accepted H19 above which it is presumable to think that the condenser is dirty in chiller mode or dirty frozen in heat pump mode This is risky give a warning CH1 on the basis of the condenser CL1 low DTC warning tEr Lost of AD If there s no response of AD the alarm tEr will appear to indicate there s communication problem between uGEO and uAD EpE External geothermal probe error This warning occurs if the difference between B5 and B6 probes is higher than parameter P38 for 30 sec if the parameter P38 is equal to 0 the warning is disabled Htb High Temperature Sanitary Water Boiler This Alarm occurs if the temperature of B1 rises above P39 threshold Pump and compressor go off FLE External flow alarm The alarm is only detected if the external pump is switched on apart from delays on start up of P1 and normal running conditions P2 independently from the state of the compressor All outputs are disabled pump compressor without respecting switch off times condensation fan The alarm relays are activated and the display flashes Restore is manual ALb Boiler alarm This rappresent a generical alarm stops the circuit FLS External flow alarm The alarm is only detected if the external pump is switched on apart from delays on start up of P1 and normal running conditions P2 independently from the state of the compressor All outputs are disabled pump compressor without respecting switch off
103. uration that depends on d07 d02 1 the defrost starts and ends according to the temperature or pressure thresholds see d03 and d04 d02 2 the pressure transducer and temperature probe are both located on the outside exchanger the defrost starts when the value read by the pressure transducer is below the threshold d03 and ends when the value read by the temperature probe is above the threshold d04 during the defrost the pressure probe controls the fan speed as in chiller mode so as to limit the pressure even if the NTC probe caked by ice delays the end defrost In any case after the maximum time allowed for the defrost the unit will always exit the defrost procedure d02 3 enable sliding defrost In the event of low outside temperatures the evaporator pressure or temperature may fall below the threshold set to start the defrost d03 even if there is effectively no ice on the coil This can be corrected by shifting the start of the defrost proportionally to the lowering of the outside temperature This procedure can be performed based on the temperature or the pressure alone and not combined It is disabled if the outside compensation probe is not fitted or is broken It is performed based on the pressure only if both the pressure probe and temperature probe are configured Start defrost temperature pressure d03 For heat pumps with air cooled condensers H01 0 this sets the temperature or pressure below which the defrost cycle
104. ut to a unit of calculation within the UGEO Set minimum speed temperature in winter mode heating F21 Determines the temperature under which the pump remains at minimum speed in the case of ON OFF adjustment it represents the temperature under which the pump is switched off Maximum speed temperature differential in winter mode heating F22 lf a speed adjuster is used it represents the differential with respect to F5 for the temperature above which the pump must be activated at maximum speed in the case of ON OFF adjustment it represents the temperature or pressure above which the pump is switched on Temperature differential for switch off in winter mode heating F23 If a speed adjuster is used it represents the differential with respect to F5 for the temperature above which the pump switch off Switch on takes place 1 C below if NTC temperature probes are used for the condensation control F24 Select fan probe Select different types of fan probe F24 0 Select temperature probe F24 1 Select pressure probe CAREL 4 7 Unit settings parameters H Unit model HO1 Used to select the type of unit being controlled HO1 0 air water heat pump HO1 1 water water heat pump with rev on gas Number of compressors H04 This establishes the number of compressors For further details see Table 4 h Sanitary water pump operating mode HO5 This establishes the operating mode for the evaporator water pum

Electronic controller Carel μGEO for heat pumps User manual

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Electronic controller Carel &mu;GEO for heat pumps User manual

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Electronic controller Carel μGEO for heat pumps User manual