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Manual iCHILL 200 L

1. PARAMETER CORRESPONDING VALUE DESCRIPTION LABEL dP02 01 NTC temperature probe of the evaporator water inlet Ein dP02 02 NTC temperature probe of the evaporator water outlet 1 and 2 Out circuit 1 Out2 circuit 2 dP02 03 NTC temperature probe of the common evaporator water outlet Eout dP02 04 NTC temperature probe of the condenser water inlet Cin circuit 1 CIn2 circuit 2 dP02 05 NTC temperature probe of the common condenser water inlet Cin dP02 06 NTC temperature probe of the condenser water outlet Coul circuit 1 2 circuit 2 dP01 07 NTC temperature probe of the common condenser water outlet Cout dP02 08 NTC temperature probe of the dynamic external air setpoint Et dP02 09 NTC temperature probe of the free cooling water inlet FCIn dP02 10 NTC temperature probe of the free cooling external air value FCEt dP02 11 NTC temperature probe of the remote terminal 1 trt1 dP02 12 NTC temperature probe of the remote terminal 2 trt2 dEF1 circuit 1 dP02 13 NTC temperature probe of the combined defrost dEF2 circuit 2 Cdt1 circuit 1 dP02 14 NTC temperature probe of the condenser circuit 2 Cdt1 circuit 1 dP02 15 Pressure probe of the condenser 4 20 0 5V Cdi circuit 2 A LP1 circuit 1 dP02 16 Pressure probe of the evaporator 4 20mA 0 5V LP2 circuit 2 dP02 17 Clock 2 TOP DISPLAY CUSTOM EXAMPLE Parameter dP01 01 The default read out for the circuit 1 and the circuit 2
2. Capacity 2596 5096 7596 10096 Compr Compressor ON Compressor ON Compressor ON Compressor ON Out relay Step P 1 ON Step P 1 ON Step P 1 ON Step P 1 OFF Outrelay Step P 2 ON Step P 2 ON Step P 2 OFF Step P 2 OFF Out relay Step P 3 ON Step P 3 OFF Step P 3 OFF Step P 3 OFF Inverse action with sequential step Compressor P1 P2 P3 Potenza 0 96 25 96 50 96 75 96 100 96 Pg 66 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary ATTENTION When working with capacity control in sequential step in direct or reverse modes if the power requested is 50 and 75 the unit turn on also the step 25 that must be enabled to make run the other two 28 1 MINIMUM LOAD START UP Par CO07 configuration of the start up with minimum load and compressor type It allows to configurate the 1 partialization valve of the compressor that can be the partialization start up valve of an alternative compressor or the minimum load for screw compressor In this way the lower value of partialization normally is configured as the 1 output with the 25 can be used as minimum start up load and also as thermoregulation step or only as minimum start up load and never as thermoregulation step EXAMPLE Having one compressor with 3 partializations at the compressor start up with CO07 0 the partialization valve is enabled only for the time CO13 but it won t be never used during the
3. VALUE DESCRIPTION LABEL dP01 01 NTC temperature probe of the evaporator water inlet Ein dP01 02 NTC temperature probe of the evaporator water outlet 1 and 2 ez p p Out2 circuit 2 dP01 03 NTC temperature probe of the uscita common evaporator water outlet Eout dP01 04 NTC temperature probe of the condenser water inlet 1 circuit 1 CIn2 circuit 2 dP01 05 NTC temperature probe of the common condenser water inlet Cin dP01 06 NTC temperature probe of the condenser water outlet Coul circuit 1 Cou2 circuit 2 dP01 07 NTC temperature probe of the common condenser water outlet Cout dP01 08 NTC temperature probe of the dynamic external air setpoint Et dP01 09 NTC temperature probe of the free cooling water inlet FCIn dP01 10 NTC temperature probe of the free cooling external air value FCEt dP01 11 NTC temperature probe of the remote terminal 1 trt1 dP01 12 NTC temperature probe of the remote terminal 2 trt2 dEF1 circuit 1 dP01 13 NTC temperature probe of the combined defrost dEF2 circuit 2 Cdt1 circuit 1 dP01 14 NTC temperature probe of the condenser Cdt2 circuit 2 Pg 48 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 15 2 DEFAULT READ OUT OF THE DISPLAY To set the default value displayed on the bottom display 1 Set the parameter dP03 0 it means configurable 2 Selectthe dP02 parameter into the range 1 17 descripted here below Preliminary
4. 5 1 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Power supply 230Vac Input 0 230Vac output 10 65 Operating temperature Naylon supports D 15mm Height Model XVO5PK XV10PK XW22PK Y 25mm 42mm 64mm Connections A 1 PWM input control PWM output repetition signal 2 3 4 F Phase Neutral 5 6 Fan output Terminals 3 and 4 allows to connect another board in parallel to control two separate fans with the same input control Terminals 1 2 3 4 are for screw for a 2 5mm wire Terminals 5 6 F N are 6 3mm faston 47 2 INVERTER MICROFAN 380VAC UP TO 4KW OR 8KW Dixell models XV340GS power up to 8KW scheme 2 Scheme 2 47 3 TRANSFORMER 86 The standard power supply is 12 volt AC DC or 24 volt AC DC optional The TF10 trasnformer models 230 12 Vac 230 24 Vac 110 12 Vac 24 12 Vac Pg 98 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 48 TECHNICAL DATA Housing self extinguishing ABS Case frontal 185x38 mm depth 70mm L format Mounting panel mounting in a 150x31mm panel cut out Frontal protection IP65 with gasket Display Top Display 3 digits with d p Bottom Display 4 digits with d p Connections Removable screw terminal block 2 5mm2 Power supply 12Vac dc 10 15
5. 7 WALL MOUNTING use the vertical V KIT black white and grey as described in the following scheme Pg 96 103 23 02 2005 r1 0 1592015300 User manual iCHILL 200 L GB Preliminary 46 ELECTRICAL CONNECTIONS The instrument is provided with 3 removable terminal blocks MOLEX with 0 5 mm wires 16 8 22 ways for digital analogue inputs and modulating outputs e 4removable screw terminal block STELVIO for 2 5 mm wires connection 3 4 5 6 ways for the relay outputs 5 ways connector for TTL RS485 interface outputs e 2 ways connector for remote panels to be connected with the cable CAB CJ30 The remote panels have two terminals for 2 5 mm wires e The LW30 KIT is the complete kit with MOLEX 3 mt wires already connected and the STELVIO terminals Check the connecitons and the line voltage before turning on the power supply Keep low voltage cables such as analogue digital inputs outputs and probes away from power cables and terminals Respect the maximum load current of each relay output in case of power loads use filtered contactors 47 ACCESSORIES 47 1 MONOPHASE FAN CONTROL 230VAC AND CUT PHASE CONTROL Models XV05PK XV10PK XV22PK Power 500W 1000W 2200W Ampere 2A 4A 9 5A Scheme 1 1 1 lt x T x x x amp 9 2 8 3l mg S 8 i XY E Tu T Fj LL Y t nh w E Y
6. Label o the display b1AC anti freeze alarm of the circuit 1 in chiller b2AC anti freeze alarm of the circuit 2 in chiller b1Ac anti freeze alarm signalling of the circuit 1 in chiller b2Ac anti freeze alarm signalling of the circuit 2 in chiller Both the labels are displayed when the alarm is coming from the evaporator inlet probe or evaporator common outlet probe or when there is only one digital input configured Origin Normal conditions stand by remote OFF when the anti freeze probe value is lower than AL26 for AL28 seconds With the anti freeze digital input is active Reset When the anti freeze probe value is higher than A26 AL27 differential With the anti freeze digital input is active Restart Automatic Manual after AL29 events per hours Reset procedure in Menu function Icon Blinking N Action If AL30 0 only the compressors are turned off and than display shows b1Ac b2Ac the buzzer and the alarm relay are not activated If AL30 0 only the compressors are turned off and than display shows b1Ac b2Ac the buzzer and the alarm relay are activated If the alarm comes from the digital input also the anti freeze heaters are turned on 41 20 B1AH B2AH ANTI FREEZE ALARM LOW OUTLET AIR TEMPERAURE AIR AIR UNIT ONLY ON HEAT PUMP MODE Label o the display b1AH anti freeze alarm of the circuit 1 in heat pump b2AH anti freeze alarm of the circuit 2 in heat pump b1Ah a
7. OFF Step P 3 OFF Step P 3 ON Step P 3 OFF Step control process Compressor Part 1 Part 2 Part 3 Power involved 0 25 50 75 100 Par CO06 1 direct action with sequential step 1 the steps are turned on in sequential mode the outputs are anabled or disabled depending on the output polarity In case of thermoregulation request one of the step is turned on or off while the other steps do not change their status Eg 1 capacity compressor with 3 partializations 4 Power steps Capacity 25 50 75 100 Compr Compressor ON Compressor ON Compressor ON Compressor ON Out relay Step P 1 ON Step P 1 ON Step P 1 ON Step P 1 OFF Outrelay Step P 2 OFF Step P 2 ON Step P 2 ON Step P 2 OFF Out relay Step OFF Step P 3 OFF Step ON Step P 3 OFF Direct action with sequential step Compressor P1 P2 P3 Power involved 0 96 25 50 75 100 Par CO06 2 inverse action with sequential step 1 the steps are turned on in sequential mode the outputs are anabled or disabled depending on the output polarity In case of thermoregulation request one of the step is turned on or off while the other steps do not change their status Eg 1 capacity compressor with 3 partializations 4 Power steps
8. Relay ON time of the Solenoid valve Intermittent for screw compressor with 0 0 250 S SUY ec the function is not enabled CO 9 Relay OFF time of the Solenoid valve Intermittent for screw compressor 250 Sec Compressor start up CO 10 Kind of compressor start up 0 Direct vedi avviamento compressors 0 2 1 Part winding 2 Star delta CO 11 If CO10 1 part winding start up time To change the time delay between the two contactors of the two compressor circuits Dec Se CO10 2 Star delta start up time To change the time delay between the 0 100 di Sec 0 1 sec contactor of the line 1 and the contactor of the centre of the star see part winding start triangle functioning CO 12 If CO10 2 Time of Star delta start Time delay to turn off the centre star 0 50 Dec 0 1 sec contactor and to turn on the line 2 contactor see Star delta functioning di Sec CO 13 By pass gas valve start up time automatic start unloading valve capacity 0 250 sec step control Rotating Balancing Compressors Thermoregulation CO 14 Compressor rotation See compressor rotation 0 Sequential 0 2 1 Compressors rotation based on time running hours 2 Compressors rotation based on number of starts up CO 15 Circuit balancing See Circuit balancing 07 Circuit saturation 0 1 17 Circuit balancing Evaporator water pump CO 16 Operative mode of the evaporator pump supply fan See Evaporator pump function 07 Not enabled evaporator pump or supply fan
9. During the normal running condition a disabled compressor is displayed with a blinking label alternated with the measurement value of the display If the compressor is disabled these the corresponding labels C1dS compressor 1 disabled C6dS compressor 6 disabled The label C1dS C6dS are available only if the corresponding compressor is configured 17 11 READ OUT OF THE COMPRESSOR DISCHARGE TEMPERATURE PROBE The menu function allows to read out the compressor temperature probes COdt FUNCTION shows the discharge temperatures Label involved in Codt function CO1t Compressor 1 discharge temperature CO6t Compressor 6 discharge temperature 1 Use the UP or DOWN keys to select COdt 2 Push SET key bottom display CO1t top display temperature value of that probe 3 Use the UP or DOWN kys to scroll the list CO1t or CO2t or CO3t or CO4t or CO5t or CO6t 4 To exit the COEn function push MENU key or wait the timeout ATTENZIONE The labels Codt are available only if the corresponding compressor probe is configured The display resolution is 0 1 C until the read out is 99 9 over 100 C it is 1 C 17 12 READ OUT OF THE RUNNING HOURS This menu allows to shows all the time running hours of the compressors supply fan and pumps Hour FUNCTION to show the controlled load consumption Label involved in the Hour function CO1H Compressor 1 running hours CO6H Compressor 6 running hours EP1H Evaporator water pump or Supply fan runn
10. 16 The reset becomes manual after AL21 1 15 RESET e The Automatic Reset is activated when the next compressor thermoregulation is requested in this case the pressure condition of the pump down must be satisfied e The Manual Reset needs to enter the function Menu under the AIrM label After the reset the next thermoregulation restarts if the pump down pressure is in normal condition ATTENTION If the pump down function is enabled during the unit start up from digital input as pump down pressure switch and also from analogue input as low pressure transducer the compressor will restart only if both the inputs are satisfied 29 6 PUMP DOWN INFORMATION ATTENTION SELECTION OF THE COMPRESSOR for pump down in switching off Eg Unit with 2 circuits and 3 compressors each Having an active digital input as remote off if the compressor running hours are the same for all the compressors the unit will use the 1 compressor of the 1 and the 2 circuit therefore the number 1 and 4 If the running hours are not equal for all compressors the unit will use the compressor having the less running time this for any circuit configuration During the pump down process the led of the running mode chiller heat pump is blinking while if one of the circuits are disabled from the keyboard the running mode led is not blinking 30 UNLOADING 30 1 HiGH TEMPERATURE OF THE EVAPORATOR WATER INLET The function is always enabled in chiller
11. and buzzer on 41 23 B1LP B2LP LOW EVAPORATING PRESSURE OF THE CIRCUIT WITH PRESSURE TRANSDUCERS ONLY Label o the display b1IP low evaporator pressure from analogue input 1 b2IP low evaporator pressure from analogue input 2 Origin The alarm is activated when at least one of the probes configured as evaporating control is lower than ALO3 setpoint if In chiller or heat pump mode Stand by or remote OFF when AL08 1 In defrost when AL06 1 The alarm is not signalled if In defrost for the time AL07 when the 4 way valve is turned on For the time set in AL01 after turning on the compressor Reset When the condensing probe temperature is higher than AL03 AL04 differential Restart Automatic Manual after AL05 events per hour Reset procedure in Menu function Icon Blinking ZN Action Alarm Relay and buzzer on ATTENTION When the pressure transducers are configured the low pressure alarms are related only to transducer values 41 24 B1TF B2TF CONDENSER FAN OVERLOAD ALARM Label o the display b1tF Condenser fan overload alarm of the circuit 1 b2tF Condenser fan overload alarm of the circuit 2 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Origin When the digital input is active Reset When the digital input is not active Restart Manual reset from the function menu Icon Blinking ZN Action Alarm re
12. C Dec 10 53 F int 5 0 5 0 bar dec 72 72 psi int CF 23 PB6 Offset 12 0 12 0 C Dec 10 53 F int 5 0 5 0 bar dec 72 72 psi int CF 24 PB7 Offset 12 0 12 0 C Dec 10 53 int CF 25 PB8 Offset 12 0 12 0 C Dec 10 53 F int CF 26 PB9 Offset 12 0 12 0 C Dec 10 53 F int CF 27 PB10 Offset 12 0 12 0 C Dec 10 53 E int CF 28 Pressure value at 4mA or 0 5 Vdc of the PB3 transducer 0 50 0 Bar Dec 0 725 psi int CF 29 Pressure value at 20mA or 5 Vdc of the PB3 transducer 0 50 0 Bar Dec 0 725 psi int CF 30 Pressure value at 4mA or 0 5 Vdc of the PB4 transducer 0 50 0 Bar Dec 0 725 psi int CF 31 Pressure value at 20mA or 5 Vdc of the PB4 transducer 0 50 0 Bar Dec 0 725 psi int CF 32 Pressure value at 4mA or 0 5 Vdc of the PB5 transducer 0 50 0 Bar Dec 0 725 psi int CF 33 Pressure value at 20mA or 5 Vdc of the PB5 transducer 0 50 0 Bar Dec 0 725 psi int CF 34 Pressure value at 4mA or 0 5 Vdc of the PB6 transducer 0 50 0 Bar Dec 0 725 psi int CF 35 Pressure value at 20mA or 5 Vdc of the PB6 transducer 0 50 0 Bar Dec 0 725 psi int Digital Inputs CF 36 Configuration of ID1 0 01 c62 CF 37 Configuration of ID2 0 01 c62 CF 38 Configuration of ID3 0 01 c62 CF 39 Configuration of IDA 0 01 c62 CF 40 Configuration of ID5 0 01 c62 CF 41 Configuration of ID6 0 01 c62 CF 42 Configuration of ID7 0 01 c62 CF 43 Configuration of ID8 0 01 c62 CF 44 Configuration of ID9 0 01 c62 CF 45 Configuration of ID10 0 01
13. Condenser 2 pump maintenance Origin Pump running hours gt Hour counter setpoint Reset Hour reset in function menu Restart Manual Icona Blinking N Action Alarm relay buzzer ON Regulation Action Only display warning messages Pg 90 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Loads Not changed 41 38 ALARM RELAY AND BUZZER Alarm relay buzzer outputs Origin Alarms still active Alarms not reset Reset relay alarm Whitout alarms In stand by or remote ON O FF if AL42 1 Buzzer silencing By pushing one of the key of the front panel The alarm relay is enabled only by configurating the corresponding output resource 42 AUTOMATIC TO MANUAL ALARM PROCEDURE NUMBER OF EVENTS PER HOUR Each hour counting is divided in 16 intervals each made of 3600 16 225 seconds 3 minuts and 45 seconds int 2 Int 3 lnt 4 lnt 5 nt 6 Int 7 Int 8 nt 9 Int 10 lnt 11 Int 12 Int 13 lnt 14 Int 15 lnt 16 lnt After the unit start up each interval is marked as not active During the interval counting for 255seconds if at least an alarm event appears the interval itself is marked Active Starting from the first interval the instrument calculates the 16 intervals and at the end it restats overwriting from the first In this way the last hour is always monitored and count
14. When the temperature pressure probe value is lower than the 06 rC07 differential Unloading start after the time delay rC08 Restart Automatic Icona Blinking N Action Alarm relay buzzer OFF 41 33 B1PH B2PH PUMP DOWN STOP ALARM FROM PRESSURE SWITCH LOW PRESSURE SWITCH Label on the display b1PH Pump down stop alarm of the circuit 1 b2PH Pump down stop alarm of the circuit 2 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Origin Pressure switch if CO36 1 2 3 4 and ID not active the pump down stops because of the timeout CO39 Transducer if CO36 1 2 3 4 and the set CO37 is not reached the pump stops because of the timeout CO39 Reset From thermoregulation start up and ID not active From thermoregulation start up with evaporating pressure higher than CO37 CO38 differential Restart Automatic Manual and logged after AL21 events per hour reset procedure in function menu Icona Blinking AN Action Alarm relay buzzer ON when it becomes manual 41 34 B1PL B2PL ALARM DURING THE PUMP DOWN START UP FROM PUMP DOWN PRESSURE SWITCH LOW PRESSURE TRANSDUCER Label o the display b1PL pump down alarm in start up of circuit 1 b2PL pump down alarm in start up of circuit 2 Origin Pump down pressure switch CO36 1 2 3 4 and compressors start up and digital input not active for the time set in CO39
15. c62 CF 46 Configuration of ID11 0 01 c62 CF 47 Configuration of ID12 0 01 c62 CF 48 Configuration of ID13 0 01 c62 CF 49 Configuration of ID14 0 01 c62 CF 50 Configuration of ID15 0 01 c62 CF 51 Configuration of ID16 0 01 c62 CF 52 Configuration of ID17 0 01 c62 CF 53 Configuration of ID18 0 01 c62 Relay Outputs CF 54 Configuration of RL1 0 01 c52 CF 55 Configuration of RL2 0 01 c52 CF 56 Configuration of RL3 0 01 c52 CF 57 Configuration of RL4 0 01 c52 CF 58 Configuration of RL5 0 01 c52 CF 59 Configuration of RL6 0 01 c52 CF 60 Configuration of RL7 0 01 c52 CF 61 Configuration of RL8 0 01 c52 CF 62 Configuration of RL9 0 01 c52 CF 63 Configuration of RL10 0 01 c52 CF 64 Configuration of RL11 0 01 c52 CF 65 Configuration of RL12 0 01 c52 CF 66 Configuration of RL13 0 01 c52 CF 67 Configuration of RL14 0 01 c52 Pg 30 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Condensing proportional outputs Preliminary CF 68 Circuit 1 output signal 0 0 10Vdc 1 4 20mA 2 PWM for mono phase fan control board CF 69 Circuit 2 output signal 0 0 10V 1 4 20Ma 2 PWM for mono phase fan control board Uscite modulanti CF 70 Proportional output 1 0 Not enabled 1 Free cooling Dumper Mixing valve 2 3 way valve for hot water 3 Dumper for air change 4 auxiliary output Relay driver ON OFF 01 c22 CF 71 Proportiona
16. when cir1 and cir2 blink at the same time it means you are entering in programing mode m Blinking when set energy saving or set paint dinamic in On ON unit in free cooling mode mP 9 ON unit in recovery made 1592015300 User manual iCHILL 200 L GB r1 0 4 4 KEY FUNCTION 23 02 2005 Preliminary KEY ACTION FUNCTION Push and release Show chiller set point SetC and heat pump SetH Push two times In chiller or heat pump if the Energy saving or the Dynamic setpoint are enabled it shows the real setpoint Setr the led is blinking Push for 3 seconds the release Change between chiller heat pump During the programming push one time Select a parameter or confirm a value Push one time with probe label showed on the bottom display Change between the read out of the circuit 1 and the circuit 2 and viceversa e UP KEY Push one time Select the readings of the first circuit Pushing one time during the programming To change the parameter code or value Push for 1 second during the programming 1 time shows the Pr2 programming level 2 time shows the Pr3 programming level cir2 0 o TO DO Push one time Select the readings of the second circuit Pushing one time during the programming To change the parameter code or value Push one time Turn the chiller on if the unit is on led is on The led is blinking if there is a power on delay o
17. 1 Continuous When the unit is running in Chiller or HP the pump or the 0 2 supply fan is running 2 With compressor When a compressor is running also the pump or the supply fan is running CO 17 ON compressor delay after water pump supply fan start up See water pump 4 250 S Sx ec functioning CO 18 OFF delay evaporator water pump supply fan after compressor switching OFF This delay is also active when the unit is turned in stand by See 0 250 Sec evaporator water pump function CO 19 bia of time running hours for pump rotation See water pump group 0 999 10Hr CO 20 Time to make run the pumps together before rotating from one to the other 0 250 Sec See water pump group function Condenser water pump CO 21 Operative mode for condenser water pump See condenser water pump function 07 Not enabled 0 2 1 Continuous When the unit is running in Chiller or HP the is running 2 With compressor When a compressor is running also the pump is running CO 22 Free CO 23 OFF delay condenser water pump after compressor switching OFF This delay is also active when the unit is turned in stand by See evaporator water 0 250 Sec pump function CO 24 pde time running hours for pump rotation See water pump group 0 999 10Hr 40Hr 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preli
18. 250 Sec dF 5 Maximum defrost duration 1 250 Min dF 6 Time delay between the defrost of two circuits 0 250 Min dF 7 OFF compressor delay before the defrost 0 250 Sec dF8 OFF compressor delay after the defrost 0 250 Sec dF 9 Defrost interval time of the same circuit 1 99 Min dF 10 Temperature setpoint for combined defrost of the 1 circuit after parameter 30 0 70 0 C Dec DF10 counting 22 158 F int dF 11 Temperature setpoint for combined defrost end of the 1 circuit 30 0 70 0 C Dec 22 158 F int dF 12 Temperature setpoint for combined defrost of the 2 circuit after parameter 30 0 70 0 C Dec DF10 counting 22 158 F int 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary dF 13 Temperature setpoint for combined defrost end of the 2 circuit 30 0 70 0 C Dec 22 158 F int dF 14 Activation of all the steps of the 1 circuit during the defrost 0 Not enabled 0 1 1 Enabled dF 15 Activation of all the steps of the 2 circuit during the defrost 0 Not enabled 0 1 1 Enabled dF 16 Time delay between two compressor ON in defrost mode 0 250 Sec dF 17 Fan control during defrost dripping time 0 Not enabled 0 2 1 Only in defrost 2 For both functions defrost dripping time dF 18 Pressure temperature setpoint to force the ventilation ON during the defrost 30 0 70 0 C
19. 5 C is divided by the number of resources 6 compressors therefore the step for each resource is 0 8 C each 0 8 C if the temperature is increasing or decreasing one of the resource is turned on or off Par ST08 Regulation band in heat pump mode The configured resources are distributed inside the regulation band Example Unit configured with 2 circuits 3 compressors per circuit and thermoregulation controlled by the evaporator outlet NTC probe Chiller setpoint evaporator inlet water 40 evaporator outlet water 45 when the evaporator outlet water is 40 all the compressor outputs are on while when the evaporator outlet water is 45 C all the compressors are OFF Thermoregulation parameters Par ST04 40 C ST08 5 C Functioning the regulation band ST08 5 C is divided by the number of resources 6 compressors therefore the step for each resource is 0 8 C each 0 8 C if the temperature is increasing or decreasing one of the resource is turned on or off Par ST08 Regulation band in heat pump mode The configured resources are distributed inside the regulation band Par STO9 Defines the thermoregulation probe in chiller 02 NTC Temperature probe of the evaporator inlet 1 NTC Temperature probe of the evaporator circuit 1 2 NTC Temperature probe of the evaporator circuit 2 3 NTC Temperature probe of the common evaporator 4 Probe temperature of the remote front panel 1 5 Probe temperature of the remot
20. Actions 1 0 23 02 2005 Preliminary Only signalling Loads Not modified 41 17 B1HP B2HP HiGH PRESSURE SWITCH CIRCUIT 1 AND 2 Label on display b1HP high pressure switch circuit 1 b2HP high pressure switch circuit 2 Reason The unit is running and the digital input of the high pressure switch is active Reset Digital input not active Restart Manual Reset procedure in Menu function Icon blinking ZN Action Alarm Relay and buzzer on Regulation Condensing fan Maximum speed for 60 seconds 41 18 B1LP 21 Low TEMPERATURE LOW CONDENSING PRESSURE OF THE CIRCUIT Label o the display b1IP low pressure digital input of the circuit 1 b2IP low pressure digital input of the circuit 2 Origin When the condensing probe value is lower than ALO3 setpoint if In chiller or heat pump Stand by o remote OFF when AL08 1 In defrost when AL06 1 The alarm is not signalled if In defrost for the time AL07 when the 4 way valve is turned on For the time set in AL01 after turning on the compressor Reset When the condensing probe temperature is higher than AL03 AL04 differential Restart Automatic Manual after AL05 events per hour Reset procedure in Menu function Icon Blinking A Action Alarm Relay and buzzer on 41 19 B1AC B2AC 1 B2Ac ANTIFREEZE ALARM LOW OUTLET TEMPERATURE AIR AIR UNIT IN CHILLER MODE
21. Attention If during the Stand by or remote off there is an anti freeze alarm event and the AL35 lt gt 0 starting the heat pump mode from keyboard or digital input In this case the anti freeze alarm is aborted and the compressor starts for the 0 250 Sec AL35 time to heat the air or the water After the AL35 time if the antifreeze probe value is still lower than AL33 setpoint for maximum AL36 seconds the unit is stopped and the anti freeze alarm is generated again AL 36 Anti freeze alarm delay for low air ambient temperature or low outlet air temperature in heat pump normal condition 0 250 Sec The detected temperature must be lower than AL33 for the time AL36 before giving the alarm AL 37 Maximum number of anti freeze alarm events for low air ambient temperature or low outlet air temperature in heat pump It sets the alarm reset condition Always manual reset AL37 0 0 16 Always automatic reset AL37 16 From automatic to manual reset if AL37 1 15 AL 38 Anti freeze alarm configuration in heat pump 0 to turn the compressors off when the anti freeze control probe is lower than AL33 after the time delay the display shows the alarm label Buzzer and Alarm relay are not activated 0 1 1 to turn the compressors off when the anti freeze control probe is lower than AL33 after the time delay the display shows the alarm label Buzzer and Alarm relay are activated Compressor high discharge temperature AL 39 Compressor high discharge tempera
22. Auxiliary relay circuit 2 US 5 Auxiliary relay 2 operating mode See graph and auxiliary relay functions 0 Not enabled 1 Always available with direct action 0 4 2 Available only when the unit is on with direct action 3 Always available with reverse action 4 Available only when the unit is on with reverse action US6 Analogue input configuration for auxiliary relay 2 control Allows to select 1 10 which probe value Pb1 Pb10 controls the relay US 7 Auxiliary setpoint 2 See graph and auxiliary relay functions 30 0 70 0 Dec 22 158 F int 0 0 50 0 Bar Dec 0 725 Psi int US 8 Auxiliary differential 1 See graph and auxiliary relay functions 0 0 25 0 C Dec 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Condenser fan Parameters Description min max Resolution FA1 Fan configuration output 0 Not enabled 1 Always on 0 2 2 ON OFF regulation 3 Proportional speed control FA 2 Fan operating mode 0 Dependent from the compressor 0 1 1 Independent from the compressor FA3 If the condenser fan control is the triac output when the regulation starts the trigger output will drive the condenser fan at the maximum voltage for the time 0 250 Sec FA 3 then then the regulation will follow the temperature pressure of the probe FA4 Phase shifting of the fan motor 0 8 paa 250us FA5 Condenser control outputs 0 Same function 0 1 1 Independents FA6 Pre ventilation time befor
23. COMPRESSOR CONTROL Not yet available on this version Compressor regulation in chiller Compressor regulation in heat pump 22 4 GRAPH PROPORTIONAL INTEGRAL COMPRESSOR REGULATION CONTROL Not yet available on this version Compressor regulation in chiller Compressor regulation in heat pump 23 THERMOREGULATION OF THE ANTI FREEZE INTEGRATION HEATING OR BOILER 23 1 THERMOREGULATION OF THE HEATERS IN CHILLER The Par Ar06 selects the probe s control for the anti freeze alarm and the relay outputs configured as anti freeze support boiler heaters for the circuits 1 and 2 in chiller mode Par Ar06 0 the function is disabled Par Ar06 1 the thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 1 and 2 or both together is controlled only throughout the NTC probe configured as evaporator water inlet Par Ar06 2 the thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 1 is controlled with NTC probe configured as evaporator probe outlet of the circuit 1 The thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 2 is controlled with NTC probe configured as evaporator probe outlet of the circuit 2 ATTENTION It is not possible to control the heaters of the crcuit 1 with the probe of the circuit 2 and viceversa Par Ar06 3 the thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 1 and 2 or both togethe
24. CONTROL CONFIGURATION 2 OUTPUTS PROPORTIONAL OUTPUT CONFIGURATION 0 10 VDC 4 OUTPUTS OTHER OUTPUTS TABLE OF THE PARAMETERS PROGRAMMING WITH THE HOT KEY 64 DOWNLOAD HOW TO PROGRAM AN INSTRUMENT WITH A PROGRAMMED HOT KEY UPLOAD HOW TO PROGRAM A HOT KEY WITH THE PARAMETERS OF THE INSTRUMENT PROGRAMMING USING THE KEYBOARD PASSWORD DEFAULT VALUES ENTER THE PR1 PR2 PR3 PROGRAMMING LEVELS HOW TO CHANGE A PARAMETER VALUE CHANGE THE PASSWORD VALUE ENTER THE PROGRAMMING LEVEL PR1 ENTER THE PROGRAMMING LEVEL PR2 ENTER THE PROGRAMMING LEVEL PR3 MOVE A PARAMETER LEVEL FROM PR2 TO PR1 MOVE A PARAMETER FROM PR3 TO PR2 TO PR1 VISIBILITY AND PARAMETER VALUE LOCKED PROGRAMMING DIGITAL INPUT AND OUTPUT POLARITY CHANGE THE POLARITY OF THE DIGITAL INPUTS OUTPUTS SELECTION AND START OF THE RUNNING MODE SELECT THE CHILLER OR THE HEAT PUMP MODE CHANGE OVER 12 3 12 4 12 5 13 13 1 13 2 14 14 1 14 2 15 15 1 15 2 15 3 15 4 15 5 16 16 1 16 2 16 3 16 4 16 5 17 17 1 17 2 17 3 17 4 17 5 17 6 17 7 17 8 17 9 17 10 17 11 17 12 17 13 17 14 17 15 17 16 17 17 17 18 17 19 17 20 18 18 1 18 2 18 3 18 4 19 19 1 20 20 1 20 2 21 21 1 22 22 1 22 2 22 3 22 4 23 23 1 23 2 CHILLER HEAT PUMP FUNCTIONING MODE KEYBOARD SELECTION ANALOG INPUT SELECTION UNIT START STOP START STOP AND STAND BY FROM KEYBOARD UNIT START STOP FROM DIGITA
25. Dec 22 158 int 0 0 50 0 bar Dec 0 725 psi Int Forced defrost dF 19 Minimum time delay before a forced defrost 0 250 sec dF 20 Pressure temperature setpoint for a forced defrost 30 0 70 0 C Dec 22 158 F int 0 0 50 0 bar Dec 0 725 psi int dF 21 Forced defrost differential 0 1 25 0 C Dec 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int Defrost operative mode dF 22 Defrost start up with 2 circuits 0 Independent 0 2 1 If both have reached the necessary requirements 2 If one has reached the necessary requirements dF 23 End defrost for two circuits and common ventilation 0 Independent 0 2 1 If both have reached the necessary end defrost requirements 2 If one has reached the necessary end defrost requirements Pri Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Recovery Parameters description min max udm resolution rC 1 Recovery modes 0 not enabled 0 2 1 2 indipendent circuit 2 both the circuit in parallel rC 2 Delay time delay with step forced off 0 250 Sec rc 3 Delay time delay with step forced off after the recovery valve activation 0 250 Sec rc 4 Recovery minimum time 0 250 Min rc 5 Minimum interval time between the end and the beginning of the next 0 250 Min recovery rC 6 Temperature setpoint to disable the recovery 30 0 70 0 C Dec 22 158 F int 0 0 50 0 Bar Dec 0 725 Psi int rC 7 Temperature differential to restore the recovery 0 1 25 0 C Dec 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int rc
26. Duration of the pressure switch oil level switch in normal operating conditions Duration of the oil level switch activation during normal running condition It allows to set the time delay before signalling the alarm AL11 defines the delay counting it helps to override the low pressure or the low oil level determined for example by a new partialization step of the compressor itself AL13 Maximum number of alar m events per hour It determs the maximum number of alarm events before switching the restart from automatic to manual 41 27 C1DT 20 C3pT C4pT C5pT C6DT HIGH COMPRESSOR DISCHARGE TEMPERATURE ALARM Label o the display C1dt High discharge temperature of the compressor 1 C6dt High discharge temperature of the compressor 6 Origin The compressor discharge temperature is higher than AL39 setpoint ATTENTION The display resolution is 0 1 C until the read out is 99 9 over 100 C it is 1 C Reset If the probe value of the high discharge temperature is lower than AL39 AL40 differential Restart Automatic Manual when there are AL41 per hour Reset procedure in Menu function Icon Blinking AN Action Alarm Relay and buzzer on 41 28 C1TR C2TR C3 TR C4TR C5TR C6TR COMPRESSOR OVERLOAD ALARM Label o the display C1tr Compressor 1 overload alarm C6tr Compressor 1 overload alarm 6 Origin With active digital input The alarm
27. NTC of circuit 1 or 2 If the condensing or evaporating probe value of the 1 circuit is lower than dF10 and lower than dF12 for the 2 circuit the process step on the 3 phase Otherwise th unit waits until the probe values decrease under dF10 and dF12 If any of the probe is configured as combined defrost NTC the process steps on the 3 phase When the circuit condition are satisfied to execute the 3 phase the display shows the dF1 circuit1 and dF2 circuit2 labels To enter the FASE 3 of the defrost the following conditions have to besatisfied 3 inversion valve management Par dF07 OFF compressor before the defrost If dF07 0 the valve is activated without stopping any conmpressor and the defrost cycle is immediately activated If the thermoregulation or the dF14 parameter require more compressors the dF16 on compressor delay during defrost cycle is loaded If df07 lt gt 0 The compressors and the steps are turned off the compressor s led is blinking the defrost led 4 is on Start the dF07 2 half time time counting The valve is activated Start the 07 2 half time time counting PON The 4 phase start condition if the thermoregulation or the dF14 parameters require to turn ON more than one compressor for circuit the delay on time between the compressors depends on the parameter dF16 The partialization s if configured always OFF during the defrost cycle the compressor is always 10096
28. Pump down process is inhibited and the solenoid valve works in parallel with the compressor PAR CO36 4 UNIT START STOP WITH PUMP DOWN in HEAT PUMP In Heat pump mode the Pump down process is inhibited and the solenoid valve works in parallel with the compressor 29 4 Pump DOWN ALARM DURING COMPRESSORS START UP ACTIVATION Pg 68 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary If within the CO39 delay time Maximum pump down restart time the compressor s do not restart because of the low pressure the instrument will signal APd1 pump down alarm at the start up of the circuit 1 or the label APd2 pump down alarm at the start up of the circuit 2 With active alarm the restart procedure is disabled The alarms can be e with Automatic Reset that is not logged the buzzer and alarm relay are not activated e with Manual Reset that is logged the buzzer and alarm relay are activated The Parameter AL22 determines the number of pump down alarm events to turn from automatic to manual reset The Reset is always manual if AL22 0 The Reset is always automatic if AL22 16 The reset becomes manual after AL22 1 15 events and the configuration of Par AL23 Par AL23 defines if the reset of the AL22 alarm events can be forced from manual to automatic In this case the alarm events after reaching AL22 is automatically reset but it is logged while the buzzer and the alarm relay are on In this way in case of particula
29. SetH HP labels while the top display shows the set value If the energy saving is active the next pressure on the SET key shows the label SEtr real setpoint and the top display shows the real set value active in that moment The regulation is enabled if e In chiller mode the parameter Sd01 is not equal to 0 e Inheatpump mode the parameter Sd02 is not equal to 0 e 4 20 analogue input is configured as dynamic setpoint control or a NTC analogue input is configured as external air temperature for dynamic setpoint control With UP or DOWN keys within the circuit measurement read out is possible to show the external air temperature indicated by the Et label 19 1 DYNAMIC SETPOINT GRAPH 4 20ma probe configured as dynamic setpoint analogue input 5001 5402 gt 0 9001 Sd02 0 NTC probe with positive differential 5403 5404 5001 5002 gt 0 5001 5002 0 lt P Sd05 Sd06 gt 0 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary NTC probe with negative differential Sd03 Sd04 Sd01 Sd02 gt 0 Sd03 Sd04 0 Sd05 Sd06 lt 0 20 AUXILIARY RELAYS The auxiliary relays can be configured to manage two independent from heat pump or chiller mode output controls Each output can be managed with a dedicated temperature or pressure probe input NTC probe 4 20mA or 0 5V transducers or with the common available temperature or pressure configurable inputs The probe selectio
30. The output relay of the line 1 and line 2 are switched off together Fig 3 27 9 STAR DELTA START UP Or A CAPACITY COMPRESSOR If one or more capacity compressors are configured and the thermoregulation requires the full load control the controller turns the solenoid valve on then after 1 second the centre of the star relay is turned on relay K2 Fig 3 Then the star delta procedure will be 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary completed with the other two contactors Durning the CO13 time delay the step valve is forced on minimum power When the C013 is expired if the thermoregulation requires more power the valve will be switched off maximum power 28 CAPACITY CONTROL CO06 capacity control operative mode The relay configured as capacity control are managed by the thermoregulation as shown in the graph and into the tables here below Par CO06 0 ON OFF step 0 Step control Depending on the thermoregulation requests and the output polarity a power step can be enabled or disabled The step is activated only after the previous is turned off Eg 1 capacity compressor with 3 partializations 4 Power steps Capacity 25 50 75 100 Compr Compressor ON Compressor ON Compressor ON Compressor ON Out relay Step P 1 ON Step P 1 OFF Step P 1 OFF Step P 1 OFF Out relay Step P 2 OFF Step P 2 ON Step P 2 OFF Step P 2 OFF Out relay Step
31. Use the UP or DOWN keys to select Cnd1 or Cnd2 the top display always shows the value between 0 and 100 of the proportional output of the selected circuit 4 To exit the Hour function push MENU key or wait the timeout 17 17 READ OUT OF THE FOUR PROPORTIONAL OUTPUT The four proportional outputs 4 20ma or 0 10V can be showed in the menu function Pout FUNCTION selects the proportional outputs Label involved in Cond function Pout Proportional output for dumper control or to drive the external relay 1 Pou2 Proportional output for dumper control or to drive the external relay 2 Pou3 Proportional output for dumper control or to drive the external relay 3 Pou 4 Proportional output for dumper control or to drive the external relay 4 The labels are displayed only if the corresponding output is present and configured TO SEE THE FOUR OUTPUT PERCENTAGE Enter the function menu 1 Use the UP or DOWN keys to select Pout 2 Push SET key the bottom display shows Pou1 the top display shows the output percentage 3 Use the UP or DOWN keys to select Pou1 Pou2 Pou3 or Pou4 the top display always shows the value between 0 and 100 of the proportional output of the selected circuit 4 To exit the Hour function push MENU key or wait the timeout ATTENTION If the proportional output Pou1 Pou2 Pou3 Pou4 are configured to drive an external relay the display will show O relay off and 100 relay on 17 18 READ OUT OF THE TIME COU
32. before defrosting dF07 Compressor off time before the defrost the led of the compressor is blinking After the dF09 delay and before activating the defrost the compressors are stopped for the dF07 time Exactly in the middle of the dF07 time the 4 way valve is activated to equalise the pressure of the unit and when dF07 is completely expired the compressors and the defrost can start This procedure does not respect the compressor on delay protection therefore the compressor is immediately turned off and then on If dF07 0 the compressor is not stopped and the 4 way valve is immediately turned dF08 Compressor off time after the defrost the led of the compressor is blinking After the defrost cycle the compressors are stopped for the dF08 time Exactly in the middle of the dF07 time the 4 way valve is activated to equalise the pressure of the unit and to drain the external exchange unit when dF08 is completely expired the unit restart in heat pump mode This procedure does not respect the compressor on delay protection therefore the compressor is immediately turned off and then on If dF08 0 the compressor is not stopped and the 4 way valve is immediately turned DF09 Delay time to next defrost It starts when the condensing evaporating temperature pressure probe value is lower than 02 setpoint This time is reloaded if the power supply fails after a defrost cycle or from a digital input request of defrost The time counting is interru
33. counter remains active 37 CONDENSER FAN REGULATION The FA01 and FA02 parameters define the operative mode of the condenser fans The CF68 and CF69 selects which are the output signals Par CF68 Condenser fan control signal of the circuit 1 0 0 10V 1 4 20 2 PWM Par CF69 Condenser fan control signal of the circuit 2 0 0 10V 1 4 20 2 PWM Par FA01 Fan regulation 0 Output not enabled 1 always on 2 ON OFF regulation 3 proportional fan speed Par FA02 Fan operative mode 0 Fan on only if compressor on 1 Independent from the compressor off during the stand by or from remote OFF Parameter combination FA01 FA02 Par FA01 1 Par FA02 0 Fans on when the compressor on the fans work following the same output algorithm FA01 1 Par FA02 1 Independent from the compressor status but off in stand by Par FA01 2 Par FA02 0 Fans on with ON OFF regulation and with temperature pressure transducer control only when the compressor is on at least one relay is configured as fan control When the compressor turns off also the fans are forced off 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Par FA01 2 Par FA02 1 Fans on with ON OFF regulation and with temperature pressure transducer control only when the compressor is on at least one relay is configured as fan control When the compressor turns off the fans are thermoregulated depe
34. dF23 1 dF23 2 dF22 0 Yes not possible ACF1 not possible ACF1 dF22 1 Yes Yes Yes dF22 2 not possible ACF1 Yes not possible ACF1 ATTENTION The configuration error ACF 1 is displayed if the parameter value of dF22 and dF23 is not permitted For only one condensing unit the dF22 and dF23 values must be not equal to 0 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 38 6 AUTOMATIC DEFROST PROCEDURE Phase 1 time counting of dF09 Interval defrost of the same circuit unit is working in heat pump mode and at least one compressor is running the defrost led is blinking the condensing evaporating temperature or pressure must be lower than dF02 value Functioning of the time counter 1 The dF09 counter is reloaded se if the power supply fails after a defrost cycle and after the unit changes from chiller to HP 2 The dFO09 counter is stopped if the last compressor turns off or if the pressure temperature of the condensing evaporating probe becomes higher than dF02 parameter value 3 The counter is decremented if the condensing or evaporating temperature pressure probe value becomes lower than the dF02 parameter value 2 phase starts after the dF09 counting and check if the initial condition are satisfied to defrost If one digital input si configured as defrost end of the circuit 1 or 2 and the contact is active the unit waits until the contact is de activated Probe configured as combined defrost
35. defrost immediately start The defrost ends when the NTC combined defrost probe 1 or 2 increases over 11 circuit1 or dF13 circuit2 If the defrost is enabled the display allows to show the external temperature on the top display and the labels dEF1 circuit1 or dEF2 circuit2 on the bottom display aof the circuit read out function 38 3 MANUAL DEFROST The manual defrost key function is enabled if the unit is on with at least one compressor running The defrost start temperature pressure of the controlled probe must be lower than dF02 setpoint value while if the combined defrost is active the detected temperature must be lower than dF10 or dF12 At this point by pushing SET UP for more than 5 seconds the manual defrost starts ATTENTION the manual defrost is not related to the dF09 dF06 delay times therefore the forced defrost cycle if condition are OK is immediately executed for both circuits 38 4 DEFROST START CONDITION WITH TWO CIRCUIT UNIT Parameter involved dF22 07 Independent 17 Only if both circuit conditions are satisfied 2 At least one circuit condition is satisfied 38 5 END OF THE DEFROST IN A TWO CIRCUITS WITH ONE CONDENSING FAN CONTROL UNIT Parameter involved dF23 07 Independent 1 Both circuits have reached the conditions to stop the defrost 2 At least one circuit has reached the end defrost condition Table of defrost cycle for units with 2 circuits Parameter dF23 0
36. e keyboard selection is disabled e key on the front panel can start stop the unit only with the digital input selection Par CF79 2 Automatic selection of the Chiller Heat Pump through analogue input The analogue input selection or change over function overrides the digital input C HP function If the external air temperature are within the CF81 differential the user can change the running mode from the keyboard If the unit is running with CF79 1 or CF79 2 and it is requested a running mode change the controller turns off all the outputs starts a fixed delay time signalled by the chiller or heat pump blinking led This blinking led indicates which running mode will be activated after the compressor delay time protection 12 2 CHANGE OVER To change the running status the following condition must be respected otherwise the unit remains in stand by 1 CF02 71 heat pump selected 2 CF79 2 and a probe configured as NTC external air temperature for dynamic setpoint boiler change over 3 This probe is working properly Parameters involved with the change over function CF80 Change over Setpoint If the analogue input control from probe function is enabled it represents the limit temperature of the probe value under which the unit runs the Heat Pump mode CF81 Change over Differential If the analogue input control from probe function is enabled it represents the limit differential temperature of the prob
37. first probe that goes below the setpoint ATTENTION The two outputs are controlled in parallel if configured with only by one NTC probe control for common evaporator outlet FUNCTIONNING OF THE ANTI FREEZE INTEGRATION HEATING BOILER HEATERS DURING THE DEFROST CYCLE The Ar05 defines the support heaters Par Ar05 z 0 The heaters are activated only by the thermoregulation algorithm Par Ar05 z 1 The heaters are activated only by the thermoregulation algorithm and are always on during the defrost They turn on when the 4 way valve change from heat pump to chiller and turn off only after the dripping time and the compressors restart 23 3 THERMOREGULATION OF THE SUPPORT HEATERS FOR AIR AIR UNIT The NTC control in chiller mode depends on the Ar06 parameter value while from the Ar07 value in heat pump mode With one relay configured as heaters for circuit 1 With one output configured as heater of the circuit 1 the output is enabled both for chiller and heat pump request With two outputs configured as heater of the circuit 1 and two the outputs are enabled both for chiller and heat pump request FUNCTIONNING OF THE SUPPORT HEATERS DURING THE DEFROST CYCLE The Ar05 parameter defines the support heaters operating mode during the defrost Par Ar05 z 0 the heaters are controlled only through the thermoregulation algorithm Par Ar05 1 heaters are controlled only through the thermoregulation algorithm and are always on during the defrost c
38. for chiller heat pump inversion if Par CF80 2 30 0 22 70 0 158 C F Dec int CF 81 Change over temperature differential if Par CF80 2 25 0 C F Dec int U m Unit of measurement CF 82 C or F selection 0 C BAR 1 F psi Voltage frequency 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary CF 83 Power supply frequency 0 50 Hz 1 60 Hz 27 cc voltage b 2 ATTENTION with Par CF81 2 proportional outputs for fan control not enabled and the frequency alarm is inhibited Serial Address CF 84 Serial address 1 247 CF 85 Firmware Release CF 86 Eeprom parameter map Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Dynamic Setpoint Parameters Description min max Resolution Sd1 Maximum dynamic Offset in chiller mode 30 0 30 0 C Dec 54 54 F int Sd 2 Maximum dynamic Offset in heat pump mode 30 0 30 0 C Dec 54 54 F int Sd External air setpoint in chiller mode 30 0 70 0 C Dec 22 158 F int Sd 4 External air setpoint in heat pump mode 30 70 0 C Dec 22 158 F int Sd 5 External air differential in chiller mode 30 0 30 0 C Dec 54 54 F int Sd 6 External air differential in heat pump mode 30 0 30 0 C Dec 54 54 int Pr1 Passwor
39. if dF14 1 all the circuit 1 resources are forced to ON during the defrost cycle the compressors and steps of the circuit 1 are ON while if dF14 0 compressors and steps are thermoregulated if dF15 1 all the circuit 2 resources are forced to ON during the defrost cycle the compressors and steps of the circuit 2 are ON while if dF15 0 compressors and steps are thermoregulated 4 PHASE Defrost ON Parameter involved dF17 condensing fan management If dF17 0 The condensing fan are always off If dF1721 The condensing fans start if the condensing temperature pressure value is higher than dF18 they will following the normal chiller thermoregulation algorithm ATTENTION during the defrost cycle both for chiller and the heat pump modes the fan are controlled with the condensing probe even if the evaporator probe is present and configured The 4 phase lasts at least for the dF04 time counting and can terminate for these conditions 1 IfdF02 0 The combined NTC probe value is higher than dF11 of the 1 circuit The combined NTC probe value is higher than dF13 of the 2 circuit When the condensing temperature probe s is are higher than dF03 parameter value 2 IfdF02 2 the dF05 counting maximum defrost timeout is expired step on 5 PHASE 3 If dFO2 3 if the end defrost digital input is deactivated step on 5 PHASE 5 PHASE Inversion valve management Par dF08 OFF compressor after defrost cycle If
40. n Yes Yes after 60 seconds b n P Low pressure switch of the circuit n Yes Yes b n AC Anti freeze in chiller of the circuit n Yes Yes b nAH Anti freeze in heat pump of the circuit n Yes Yes b n P High condensing pressure of the circuit n Yes Yes after 60 seconds b n P High condensing temperature from NTC of the circuit n Yes Yes after 60 seconds b n LP o condensing pressure evaporating with low pressure transducer with transducer of Yes Yes e circuit of the n b n IP Low condensing temperature NTC circuit n Yes Yes b n tF Fan overload circuit n Yes Yes b nPH Pump down alarm in stop regulation of the circuit n Yes Yes b n PL Pump down in regulation start up of the circuit n Yes Yes b n dF Bad defrost circuit n b n u Unloading from condenser high temp press of the circuit b nCu Unloading from evaporator low temp press of the circuit n Yes Yes b n rC Recovery function disabled in circuit n b n ds Circuit n disabled from keyboard Yes Yes b n Ac Anti freeze circuit n message in chiller b n Ah Anti freeze circuit n message in heat pump n identifies the circuit 1 or 2 43 3 ALARM TYPE AND CORRESPONDING COMPRESSOR OUTPUT OFF Alarm Alarm description Compressor Compressors not involved Code n C n HP Compressor n high pressure switch Yes C n oP Compressor n oil pressure switch Oil level switch Yes C n tr Compressor n o
41. not correct the top display blinks 0 while the bottom shows PAS If within 5 seconds no value is inserted the display label come back to 1 function 6 Toexitthe COtr function push MENU or wait the timeout 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 Repeat operation 1 5 to reset the other alarms 17 3 COMPRESSOR OVERLOAD PASSWORD The default value is 0 to change this value enter Pr3 level under the AL parameter family Par AL43 17 4 ALARM LOG LIST ALOG FUNCTION TO SEE THE ALARM LOG The function and the alarm codes are visible only if there are alarm events If many events are active at the same time the list displayed by increasing order Enter the function Menu 1 Select ALOG 2 Push SET one time Nothing happens if there are no active alarm events 3 The bottom display shows the alarm label the top display shows the a number in the range 00 to 99 4 Usethe UP or DOWN keys to scroll the list 5 To exit the ALOG function push MENU or wait the timeout 17 5 ERASE THE ALARM LOG LIST ALOG FUNCTION TO ERASE THE LOG LIST Enter the function Menu Use the UP or DOWN keys to select ALOG on the bottom display Push on e time the SET key Within the ALOG function select with UP or DOWN keys the ArSt label on the bottom display while the top display shows PAS Push SET the bottom display shows PAS and the top display a blinking O Insert the password See parameter family AL If the pas
42. or three phase fan control board 2 PWM only for external mono phase fan control board with cut phase control 8 6 PROPORTIONAL OUTPUT CONFIGURATION 0 10 VDC 4 OUTPUTS Parameters involved CF70 Proportional output 1 configuration CF71 Proportional output 2 configuration CF72 Proportional output 3 configuration CF73 Proportional output 4 configuration Not enabled 1 Free cooling dumper mixing valve 2 3 way valve for hot water 3 Dumper for air change 4 Auxiliary output After the read out number 4 the display goes from the label o 1 to c22 see input output polarity that allow to configure the output as digital output to control an external relay 8 7 OTHER OUTPUTS Hot key connection TTL connection Remote keyboard connection 9 TABLE OF THE PARAMETERS MENU SELECTION Label Description ALL Shows all the parameters ST Shows only the Thermoregulation parameters CF Shows only the Configuration parameters SD Shows only the Dynamic Setpoint parameters ES Shows only the Energy Saving RTC parameters Shows only the compressor parameters 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary US Shows only the Auxiliary Output parameters FA Shows only the Fan Control parameters Ar Shows only the Antifreeze Control parameters DF Shows only the Defrost paramete
43. shows PAS while the bottom display shows Pr1 labels 2 Push UP key for 2 seconds and the top display will show Pr2 3 Push SET key and the top display shows a blinking 0 with UP or DOWN insert the Pr2 password Push SET and if the value is correct top display will show the first family of parameters ALL Otherwise set the password again 4 Select a parameter family with DOWN or UP keys 5 Push SET to enter the bottom display shows the first available parameter label while the top display shows its value The user can shows and modify all the paramters belonging to this family Parameter status leds and bottom display in Pr2 led n 2 Leds 1 2 are blinking the parameter can not be changed All the leds are off the parameter ca not be seen in Pr1 level Led 3 is on the parameter can be seen in Pr1 level Leds 1 2 are blinking and led 3 is on the parameter can be showed and changed in Pr2 showed but not changed in Pr1 Leds 1 2 3 are blinking the parameter can be showed and changed in Pr2 and in Pr21 In Pr2 level the user can not see and change any parameter of Pr3 level The MENU key allows to exit from a family to reselect another without exit the Pr2 level The MENU key allows to pass to Pr1 starting from a family label To exit completely the programming push SET UP 11 7 ENTER THE PROGRAMMING LEVEL PR3 Enter the Pr3 OEM level 1 Push the SET DOWN keys together for 3 seconds The top display shows P
44. signal With the two 0 10V outputs the iCHILL can drive a mono phase or three phase controllers such as the Dixell inverter models XV340GS up to 8KW Fan speed module circuit n 1 Power supply 230V ziale 8 ohanu e gt Fan speed module circuit n 2 Power supply 230 gt 7 9 FAN CONDENSING CONTROL WITH 4 20MA OUTPUT With only one condensing circuit configured the Out1 Out2 outputs work together giving the same signal With the 4 20mA outputs the iCHILL can drive a mono phase or three phase controllers such as the Dixell inverter models XV340GS up to 8KW Fan speed module circuit n 1 Pose supply 2x Fan speed module circuit n 2 Power supply 230 he 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 10 PROPORTIONAL OUTPUTS 0 10V DUMPER CONTROL GND common IC260L IC261L IC280L IC281L 7 11 PROPORTIONAL OUTPUTS CONFIGURED FOR AUX RELAY CONTROL GND common By parameter programming is possible to connect a 12 volt 40mA relay IC260L IC261L IC280L IC281L External relay 1 857 e nans Pg 22 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 12 HoT KEY 64 CONNECTION The programming HOT KEY 64 allows to upload or download a copy of the parameters of the instrument see HOT KEY paragraph HOT KEY FOR PROGRAMMING 7 13 XJ485 CONNECTION The XJ485 interface is a co
45. some seconds and then shows the next parameter Exit the programming pushing SET UP together or wait the timeout nside the Pr3 level it is possible to change also the Pr1 and Pr2 passwords 11 5 ENTER THE PROGRAMMING LEVEL 1 Enter the Pr1 User level 1 Push the SET DOWN keys together for seconds The top display shows PAS while the bottom display shows Pr1 labels 2 Push SET key and the top display shows a blinking 0 with UP or DOWN insert the Pr1 password Push SET and if the value is correct top display will show the first family of parameters ALL Otherwise set the password again 3 Selecta parameter family with DOWN or UP keys 4 Push SET to enter the bottom display shows the first available parameter label while the top display shows its value The user can shows and modify all the parameters belonging to this family Parameter status leds and bottom display in Pr1 Xo Pg 42 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary If the selected parameter can not be changed the leds 1 and 2 are blinking In Pr1 level the user can not see and change any parameter of Pr2 and Pr3 The MENU key allows to exit from a family to reselect another without exit the Pr1 level To exit completely the programming push SET UP 11 6 ENTER THE PROGRAMMING LEVEL PR2 Enter the Pr2 maintenance level 1 Push the SET DOWN keys together for seconds The top display
46. the parameter is visible in Pr1 but can t be changed Pr2 PARAMETER VISIBILITY Enter the Pr3 level 1 Select the parameter 2 Keep pushed the SET key 3 Push 1 time the MENU key and the led 4 change from on to blinking the parameter is visible in Pr2 but can t be changed Leds 3 4 blinking the parameter is visible in Pr1 and in Pr2 but in those levels now they can t be changed TO SET THE ORIGINAL TAG FOR THE PARAMETER Pr1 Pr2 1 Keep pushed the SET key 2 Push one time the MENU key the leds 3 4 turn on the parameter can be seen and modified in Pr1 and Pr2 11 11 PROGRAMMING DIGITAL INPUT AND OUTPUT POLARITY The parameters that allow to configure different options such as 1 Digital inputs 2 Digital outputs relay 3 Proportional output configured as ON OFF 4 Analogue input configured as digital input have a different parameter description that allows to configure the operating mode and the corresponding polarity Example of programming The bottom display shows the parameter label CF36 Digital input ID1 configuration Note that the top display shows c or o before the configuration number lt i CF 36 The selection 7 for the digital input ID1 CF36 means that it is the high pressure switch of circuit 1 Pg 44 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary The label o means that the digital input is active for open contact Otherwise if the selection i
47. thermoregulation After the compressor stops running the time CO13 will be reloaded Having one compressor with 3 partializations at the compressor start up with CO07 1 the partialization valve is enabled for the time CO13 and it will be considered also as thermoregulation step After the compressor stops running the time CO13 will be reloaded EXAMPLE WITH SCREW COMPRESSOR Having one compressor with partializations with CO0722 when the compressor is off the partialization valve is always on so as in case of start up it allows to have the minimum load After the compressor is started the valve is on only for CO13 time and it won t be considered as regulation step After the compressor stops running the time CO13 will be reloaded Having one compressor with partializations with CO0723 when the compressor is off the partialization valve is always on so as in case of start up it allows to have the minimum load After the compressor is started the valve is on for CO13 time but it will be considered as regulation step After the compressor stops running the time CO13 will be reloaded 28 2 By PASS GAS VALVE DURING COMPRESSOR START UP It allows to manage with the partialization valve also the valve to run the compressor with no load by passing the circuit On time of the by pass gas valve during the compressor start up The funcrion is enabled if the CO13 lt gt 0 and one of the relay output is configured as by pass valve compressor 1
48. top display shows the real set value active in that moment During the Energy Saving cycle the setpoint is incremented with these parameter values ES10 ES12 SET ES10 for Chiller mode and SET ES12 for HP mode The differential values during the energy saving thermoregulation are defined with parameter ES11 for chiller mode and ES13 and HP mode 18 2 ENERGY SAVING TIME TABLE WITH RTC The Energy Saving function with a daily RTC time table is available only if the RTC circuit optional is on board This function allows to set three start and stop energy saving daily periods ES1 ES2 ES3 ES4 ES5 ES6 The energy saving activation is signalled by the SET key led on When working in Chiller or HP the first pressure on SET key shows the actual setpoint SetC chiller or SetH HP labels while the top display shows the set value If the energy saving is active the next pressure on the SET key shows the label SEtr real setpoint and the top display shows the real set value active in that moment During the Energy Saving cycle the setpoint is incremented with these parameter values ES10 ES12 SET ES10 for Chiller mode and SET ES12 for HP mode The differential values during the energy saving thermoregulation are defined with parameter ES11 for chiller mode and ES13 and HP mode The function can work if the following requirements are satisfied 1 RTC circuit mounted 2 Parameters ESO1 ES06 are not equal to 0 and are not
49. valve and and the regulation restarts with its normal running condition 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary ATTENTION For both the circuits when the compressor are off because of the thermoregulation and the digital input of the recovery function is active the recovery valve is disabled 40 CONDENSER TEMPERAURE PRESURE CONDITION TO ENABLE DISABLE THE RECOVERY CYCLE The recovery can be disabled depending on the condenser condition to avoid a possible high pressure alarm The function can be executed by programming the analogue input as condenser transducer 1 or 2 Par CF07 0 temperature control or CF07 1 pewssure control FUNCTIONING 40 1 RECOVERY DISABLED With the recovery function is activated if the temperature pressure is equal or higher than the set rC06 limit of the recovery cycle the recovery cycle of the circuit detected by that transducer is disabled When the recovery is disabled the bottom display shows the following blinking icons b1rC for circuit 1 b2rC for circuit 2 40 2 RECOVERY ENABLED If the temperaTure pressure decreases under the set 06 07 differential the recovery cycle of the circuit detected by that transducer is anabled again 40 3 NOTE ABOUT RECOVERY ENABLED DISABLED To avoid long periodof time with recovery function disabled and the temperature pressure within the range 06 07 the units starts counting the delay set in rCO8 After th
50. 0 L GB 1 0 23 02 2005 Preliminary 41 12 ARTC CLOCK ALARM Label o the display ArtC clock alarm Origin Wrong setting Reset Clock adjusted Restart Manual in function menu Icona Blinking N Action Alarm relay buzzer ON Regulation Loads Not changed Energy saving Disabled if based on RTC Unit ON OFF Disabled if based on RTC 41 13 AEUN UNLOADING ALARM FROM HIGH TEMPERATURE OF THE EVAPORATOR WATER INLET Label o the display AEUn Unload signalling from evaporator Origin During normal running condition when the temperature pressure of evaporator water inlet is higher than CO40 setpoint for the CO42 time delay Reset If the water temperature is lower than CO39 CO41 differential Da funzione unloading inserita dopo il tempo impostato 43 Restart Automatic Icon Blinkin gA Action Alarm relay buzzer OFF 41 14 ALTI LOW AIR AMBIENT TEMPERATURE AIR AIR UNIT ONLY Label o the display ALti low temperature value of the evaporator air inlet Origin Chiller mode CF01 0 and evaporator inlet NTC probe lower than AL26 for AL28 seconds Heat pump CF01 0 and evaporator inlet NTC probe lower than lower than AL33 forAL36 seconds In stand by or remote OFF the evaporator inlet NTC probe lower than the lowest value compared between AL28 and AL36 Reset Chiller evaporator inlet NTC probe higher than AL26 AL27 different
51. 2 3 or 4 Functionning When thermoregulation requires the relay is turned ON 1 second before turning in the compressor and goes off after the time set in parameter CO13 After the compressor stops running the time CO13 will be reloaded 28 3 SOLENOID VALVE INTERMITTENT FOR SCREW COMPRESSOR If configured this output is ON when the compressor is ON in case of Part Winding or Star delta it corresponds with the first relay on for the time set in Par CO08 and then OFF for the time set in Par COO9 The cycle CO08 COO09 of the valve is repeated until the compressor is ON ATTENTION When the valve output is configured the intermittent cycle is activated only if the Par CO08 lt gt 0 29 PUMP DOWN The Pump down process is enabled only if the CO36 parameter is not equal to 0 29 1 OFF UNIT WITH PUMP DOWN AND WITH LOW PRESSURE SWITCH CONTROL The process is enabled if the low pressure switch of the circuit is configured with parameter CO36 1 or 3 and one of the relay output is configured as pump down solenoid circuit 1 or 2 CO36 2 or 4 are related to a pressure switch dedicated to this function or the pressure transducer When the thermoregulation is going to stop before turning off the last compressor the solenoid valve is closed The compressor runs until the low pressure switch connected to the digital input becomes active for a maximum time set in CO39 In this case there is no Low pressure alarm and no alarm message will be dis
52. 24 Vac dcx1096 50 60 HZ opzionale Power absorption 10VA max Inputs 10 NTC or 6 NTC 4 4 20ma 0 5Volt Digital inputs 18 free voltage Relay outputs 14 SPDT 5 2 A 250Vac Data storing on the non volatile memory EEPROM Operating temperature 0 60 C Storage temperature 30 85 C Relative humidity 20 85 no condensing Measuring range 30 70 C 22 158 F NTC 07150 C 04302 F PTC or 0 50 bar 07725 psi Resolution 0 1 C or 1 F selectable Accuracy of the controller at 25 0 7 C 1 digit 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary NOTE Pg 100 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Dixell S p A 2 1 Via dell Industria 27 32010 Pieve d Alpago BL ITALY tel 39 0437 98 33 fax 39 0437 98 93 13 E mail dixell gdixell com http www dixell com Pg 102 103
53. 3 Compressor 3 high pressure 14 Compressor 4 high pressure 15 Compressor 5 high pressure 16 Compressor 6 high pressure 17 Compressor 1 overload 18 Compressor 2 overload 19 Compressor 3 overload 20 Compressor 4 overload 21 Compressor 5 overload 22 Compressor 6 overload 23 Condenser fan overload of circuit 1 24 Condenser fan overload of circuit 2 25 Water pump overload of evaporator 1 26 Water support pump overload of evaporator OANA OP ON sO 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 27 Water pump overload of condenser 1 28 Water support pump overload of condenser 29 Recovery request for circuit 1 30 Recovery request for circuit 2 31 Defrost end of circuit 1 32 Defrost end of circuit 2 33 Energy Saving 34 Pressure switch compressor 1 oil 35 Pressure switch compressor 2 oil 36 Pressure switch compressor 3 oil 37 Pressure switch compressor 4 oil 38 Pressure switch compressor 5 oil 39 Pressure switch compressor 6 oil 40 Pump down pressure switch of circuit 1 41 Pump down pressure switch of circuit 2 42 Generic alarm from digital input with stop regulation 43 Digital input of thermoregulation request motocondensing unit 44 Digital input of cooling request motocondensing unit 45 Digital input of heating request motocondensing unit 46 Request partialization 1 of compressor 1 motocondensing unit 47 Request partialization 2 of compress
54. 49 1 1 power steps per circuit in case of unloading there will be 2 compressor running 1 per circuit With capacity compressors and with unloading active to avoid having a not well balanced circuit after reducing the power step valve on the resource the valve is activated for the time set in CO50 even if the unloading function is not more activated and the thermoregulation requires 10096 of power If CO50 0 the function is disabled and if necessary the valve is immediately off to have the 10096 of the power UNLOAD DE ACTIVATION in HEAT PUMP MODE If the evaporator temperature increases the value determined by CO46 CO47 setpoint differential the unloading is disengaged the compressors are all available for the thermoregulation Pg 70 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 30 7 OTHER INFORMATION ABOUT THE UNLOADING IN HEAT PUNP To avoid having long period of unloading function activated when the temperature or the pressure value is continuously within the SET and SET differential if the temperature or the pressure is higher than CO46 the CO48 time delay forces the unloading function off for timeout event even if the temperature pressure is not lower than CO46 CO47 31 SOLENOID VALVE FOR LIQUID INJECTION There are two outputs relay that can be configure as solenoid valve compressor 1 and 2 The function is enabled when For compressor 1 one output relay is configured as solenoid valve com
55. 8 MOVE A PARAMETER LEVEL FROM PR2 TO PR1 Enter Pr2 programming level Select the parameter and if the led 3 is off the parameter is available only in Pr2 To show the parameter also in Pr1 1 Keep pushed SET key Push 1 time the DOWN key and the led 3 should be on the parameter is now available in Pr1 To hide the parameter in Pr1 Keep pushed SET key 2 Push 1 time the DOWN key and the led 3 should be off the parameter is now removed from Pr1 11 9 MOVE A PARAMETER FROM PR3 TO PR2 TO PR1 Enter Pr3 programming level here the parameter are all visible Select the parameter if all the leds are off the parameter is available only in Pr3 To show the parameter also in Pr2 and Pr1 1 Keep pushed SET key 2 Push 1 time the DOWN key and the leds 3 and 4 should be on the parameter is now available also in Pr2 1 To show the parameter only in Pr2 1 Keep pushed SET key Push 1 time the DOWN key and the leds 3 is off the parameter is now available also in Pr2 To show the parameter only in Pr3 1 Keep pushed SET key Push 1 time the DOWN key and the leds 3 and 4 are off the parameter is now available only in Pr3 11 10 VisiBILITY AND PARAMETER VALUE LOCKED To set the only visibility and lock the parameter value it is necessary enter Pr3 programming level Pr1 PARAMETER VISIBILITY Enter the Pr3 level 1 Select the parameter 2 Keep pushed the SET key 3 Push 1 time the MENU key and the led 3 change from on to blinking
56. 8 Maximum time with recovery disabled if temperature pressure within rC6 rC7 0 250 Min Pri Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Alarms Parameters Description min m u Resolution Low alarm AL 1 Low pressure alarm delay from digital input 0 250 Sec AL 2 Low pressure alarm delay from digital input after compressor stop if the low 10 250 S pressure switch is used for the pump down AL Low pressure alarm setpoint from analogue input 30 0 70 0 C Dec 22 158 F int 0 0 50 0 bar Dec 0 725 psi int Pg 38 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary AL 4 Low pressure alarm differential from analogue input 0 1 25 0 C Dec 0 45 F int 0 0 14 0 bar Dec 0 203 psi Int AL 5 Maximum number of low pressure events from digital analogue inputs Manual reset if AL05 0 0 16 Automatic reset if ALO5 216 From automatic to manual reset if ALO5 1 15 AL 6 Low temperature pressure alarm during defrost 0 Not enabled 0 1 1 Enabled AL 7 Low temperature pressure alarm delay during defrost 0 250 Sec AL 8 Low temperature pressure alarm with unit in OFF or stand by 0 Not enabled 0 1 1 Alarm enabled High Alarm AL 9 High temperature pressure alarm from analogue input 30 0 70 0 C Dec 22 158 int 0 0 50 0 bar Dec 0 725 psi int AL 10 High temperat
57. 9 2 the power supply configuration is Vcc CF83 0 ACF3 e Two digital analogue inputs configured with the same function or without the necessary resources es compressor 3 overload but compressor 3 relay not configured ACF4 CF79 1 and its digital input not configured or CF79 2 and no external temperature probe configured ACF5 Circuito 2 not configured but at least one of its resources are present relay solenoid pump down heaters inversion valve fan condensing ON OFF recovery auxilairy 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Causa attivazione ACF6 e Thetotalnumber of compressor of the 2 circuits CF04 CF05 is Y gt 6 Y gt 4 with no direct compressor start up CO10 0 or the number of steps is 0 CF06 Y 2 and the intermittent valve is configurated with ON CO08 and OFF CO09 0 Pump down function but at least in one circuit The pump down solenoid relay is not present Y No pump down pressure switch or evaporating probe when the pump down is enabled with unit in start Or No low pressure switch configurated e compressor configuration with CF04 and CF05 but not the relay outputs Main Intermittent valve when enabled with the ON OFF time CO08 CO09 0 When the by pass time 0 and there is no partialization or by pass valve configured Motor part 2 centre of the star with part winding or star delta The necessary step valve configu
58. AS while the bottom display shows Pr1 labels 2 Push UP key for 2 seconds and the top display will show Pr2 1 Push UP key again for 2 seconds and the top display will show Pr3 3 Push SET key and the top display shows a blinking 0 with UP or DOWN insert the Pr3 password Push SET and if the value is correct top display will show the first family of parameters ALL Otherwise set the password again 4 Select a parameter family with DOWN or UP keys 5 Push SET to enter the bottom display shows the first available parameter label while the top display shows its value The user can shows and modify all the paramters belonging to this family Parameter status leds and bottom display in Pr3 Led n 1 n p b 2 b D 7 bar Flow tj X amp dig gn Leds 1 2 are blinking the parameter can not be changed 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary e All the leds are off the parameter is available only in Pr3 Led 4 on the parameter can be changed also in Pr2 Led 4 blinking the parameter is visible also in Pr2 Leds 3 4 on the parameter is available in Pr2 and in Pr1 Leds 3 4 blinking the parameter is visible in Pr1 and in Pr2 e MENU key allows to exit from a family to reselect another without exit the Pr2 level e The MENU key allows to pass to Pr1 starting from a family label e To exit completely the programming push SET UP 11
59. ATION ANTIFREEZE BOILER FUNCTION To determine the electrical heater control in chiller or heat pump mode because the electrical heaters can be used as anti freeze or can also be used to integrate or heating the heat pump mode or in particular situation in chiller mode The function is enabled when 1 NTC probe configured as external air for dynamic setpoint boiler function 2 Parameter Ar11 20 Integration control Ar11 1 When the air temperature value detected by the external air probe decreases under the Ar12 setpoint the Ar14 delay starts counting If during the Ar14 counting the external air increases above the Ar12 Ar13 differential the function is aborted and the Ar14 time is reloaded When the time Ar14 is expired and the external air temperature is still under the Ar12 setpoint and the water temperature detected by the evaporator probe is lower than Ar15 in chiller mode or Ar17 in heat pump mode the heaters are turned on When the temperature rises over Ar15 Ar16 differential in chiller mode or Ar17 Ar18 in heat pump the heaters are turned off With the heaters on if the temperature of the external air rises above the Ar12 set Ar13 differential immediately they are turned off and the Ar14 delay is reloaded Pg 62 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Attention With Boiler function activated and external air temperature value lower than Ar12 if the air temperature decreases un
60. Compressor malfunction ump down management With dedicated pressure switch Low pressure switch Low pressure transducer nloading circuit High temperature of the evaporator inlet water High temperature of the condenser inlet water unit with recovery High condensing pressure e C gt 9 Pg 8 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Low evaporating pressure Maintenance messages Compressors Evaporator pumps Condenser pumps Auxiliary relays e Two configurable relay outputs not depending from the control algorithm can be managed through NTC PTC or pressure probes Weekly Energy saving e Three different time bands per day only with RTC onboard From digital input Weekly ON OFF e Three different time bands per day only with RTC onboard Dynamic setpoint Determined by analogue NTC input or 4 20 current input Change over e Automatic chiller or heat pump functioning depending from NTC analogue input Remote OFF From configurable digital input Remote change over From configurable digital input Hot start e Air air unit Defrost management Combined control with temperature and pressure Forced defrost with low temperature of external air From configurable digital input Manual from keyboard Boiler For electrical integration heating or anti freeze heaters Two proportio
61. F A CiRCUIT NOT ENABLED If one circuit is disabled the bottom display shows diS alternated with the label name of the measurement selected Circuit 1 diS the bottom display shows b1dS circuit 1 disabled Circuit 2 diS the bottom display shows b2dS circuit 2 disabled The 6245 label appears only if the 2 circuit is configured 17 9 ENABLE OR DISABLE A SINGLE COMPRESSOR Through the instruments keyboard is possible to disable a single compressor for maintenance or to lock it when malfunctioning COEn FUNCTION compressors running status Label involved in COEn function CO1E Compressor 1 status CO6E Compressor 6 status The COEn function uses only the compressors configured by the corresponding output parameters Enter the function Menu 1 Use the UP or DOWN keys to select COEn 2 Push SET key bottom display COTE top display En 3 Select the compressor with UP or DOWN CO2E COSE CO4E COGE if available 4 Push SET for 3 seconds when the label corresponds to the compressor to disable CO1E CO2E CO3E CO4E CO6E The top display shows the blinking En label use the UP or DOWN key and change to diS Compressor disabled or En compressor enabled then push SET to confirm the display shows next item Pg 52 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 5 To exit the COEn function push MENU key or wait the timeout 17 10 READ OUT OF A COMPRESSOR NOT ENABLED
62. G TEMPERATURE PRESSURE IN CHILLER B1CU B2CU UNLOADING FROM LOW CONDENSING TEMPERATURE PRESSURE IN HEAT PUMP B1RC B2RC RECOVERY DISABLED FROM HIGH CONDENSING TEMPERATURE PRESSURE IN CHILLER B1PH B2PH PUMP DOWN STOP ALARM FROM PRESSURE SWITCH LOW PRESSURE SWITCH B1PL B2PL ALARM DURING THE PUMP DOWN START UP FROM PUMP DOWN PRESSURE SWITCH LOW PRESSURE TRANSDUCER C1MN C2MN C3MN CAMN C5MN C6MN COMPRESSOR MAINTENANCE AEP1 AEP2 PUMP SUPPLY FAN MAINTENANCE ACP1 ACP1 CONDENSER PUMP MINTENANCE ALARM RELAY AND BUZZER AUTOMATIC TO MANUAL ALARM PROCEDURE TABLE OF THE OUTPUT STATUS IN ALARM CONDITION ALARM A TYPE AND CORRESPONDING OUTPUT OFF ALARM A TYPE AND CORRESPONDING OUTPUT OFF ALARM A TYPE AND CORRESPONDING COMPRESSOR OUTPUT OFF BLACK OUT INSTALLING AND MOUNTING PANEL CUT OUT PLEXIGLASS PROTECTION BOTTOM OPEN PLEXIGLASS PROTECTION TOP OPEN METAL FRONT FRAME 45 5 46 47 47 1 47 2 47 3 48 VERTICAL BOARDS VI620 VI820 PANEL CUT OUT ELECTRICAL CONNECTIONS ACCESSORIES MONOPHASE FAN CONTROL 230VAC AND CUT PHASE CONTROL INVERTER MICROFAN 380VAC UP TO 4KW OR 8KW TRANSFORMER TECHNICAL DATA 96 97 97 97 98 99 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 1 GENERAL ADVICE e 1 1 PLEASE READ BEFORE USING THIS MANUAL e This manual is part of the product and should be kept near the e instrument for easy and quick referenc
63. GITAL INPUT CONTROL HOT START WATER PUMP OF THE CONDENSER CONDENSER WATER PUMP CONTROL PUMP GROUP OF THE CONDENSER CONDENSER WATER PUMP ROTATION CONDENSER WATER PUMP ROTATION THROUGH DIGITAL INPUT CONTROL LOAD MAINTENANCE COMPRESSOR MAINTENANCE RESQUESTS CONDENSER FAN REGULATION PWM OUTPUT FOR FAN CONTROL CONDENSING UNIT COMMON OR SEPARATE GRAPH PROPORZIONAL REGULATION OF CONDENSER FANS GRAPH ON OFF REGULATION OF THE CONDENSER FAN DEFROST CYCLE 38 1 38 2 38 3 38 4 38 5 38 6 38 7 38 8 39 39 1 39 2 40 40 1 43 1 43 2 43 3 44 45 45 1 45 2 45 3 45 4 FORCED DEFROST COMBINED DEFROST MANUAL DEFROST DEFROST START CONDITION WITH TWO CIRCUIT UNIT END OF THE DEFROST IN A TWO CIRCUITS WITH ONE CONDENSING FAN CONTROL UNIT AUTOMATIC DEFROST PROCEDURE OTHER INFORMATION ABOUT THE DEFROST DEFROST PARAMETER DESCRIPTION RECOVERY UNIT WITH TWO SEPARATE IDRAULIC CIRCUITS UNIT WITH TWO IDRAULIC CIRCUIT WORKING IN PARALLEL CONDENSER TEMPERAURE PRESURE CONDITION TO ENABLE DISABLE THE RECOVERY CYCLE RECOVERY DISABLED RECOVERY ENABLED NOTE ABOUT RECOVERY ENABLED DISABLED MESSAGES ALARM CODES 1 AP2 AP4 5 AP6 AP7 AP8 AP9 AP10 PROBE FAILURE AEFL EVAPORATOR FLOW ALARM DIFFERENTIAL PRESSURE SWITCH ACFL CONDENSER FLOW ALARM DIFFERENTIAL PRESSURE SWITCH ATSF OVERLOAD ALARM OF THE SUPPLY FAN ATE1 2 EVAPORATOR PUMP OVERLOAD ALARM ATC1 A
64. ION THROUGH DIGITAL INPUT THERMOREGULATION AND COMPRESSORS ROTATION SATURATION CIRCUIT BALANCING COMPRESSORS COMPRESSORS START UP DIRECT START UP DIRECT START UP OF A CAPACITY COMPRESSOR PART WINDING COMPRESSOR START UP WITH PART WINDING PART WINDING START UP OF COMPRESSORS OR CAPACITY COMPRESSORS STAR DELTA START STAR DELTA START OF A COMPRESSOR STAR DELTA START UP OF A CAPACITY COMPRESSOR CAPACITY CONTROL MINIMUM LOAD START UP BY PASS GAS VALVE DURING COMPRESSOR START UP SOLENOID VALVE INTERMITTENT FOR SCREW COMPRESSOR PUMP DOWN OFF UNIT WITH PUMP DOWN AND WITH LOW PRESSURE SWITCH CONTROL PUMP DOWN WITH DEDICATED PRESSURE SWITCH PUMP DOWN FUNCTION WITH DEDICATED PRESSURE PROBE PUMP DOWN ALARM DURING COMPRESSORS START UP PUMP DOWN ALARM DURING COMPRESSORS SWITCHING OFF PUMP DOWN INFORMATION UNLOADING HIGH TEMPERATURE OF THE EVAPORATOR WATER INLET UNLOADING DESCRIPTION UNLOADING INFORMATION UNLOADING WITH PRESSURE CONDENSING TEMPERATURE OR EVAPORATING PRESSURE CONTROL REGULATION OTHER INFORMATION ABOUT THE UNLOADING IN CHILLER OTHER INFORMATION ABOUT THE UNLOADING IN HEAT PUMP SOLENOID VALVE FOR LIQUID INJECTION FUNCTIONNING WATER PUMP OF THE EVAPORATOR SUPPLY FAN WATER PUMP OF THE EVAPORATOR SUPPLY FAN AIR AIR HOT START SUPPLY FAN ONLY FOR AIR AIR UNIT IN HEAT PUMP MODE EVAPORATOR PUMP GROUP EVAPORATOR WATER PUMP ROTATION EVAPORATOR WATER PUMP ROTATION THROUGH DI
65. L INPUT DISPLAY LAYOUT HOW TO SHOW THE MEASUREMENT LIST SHOW THE CIRCUIT 1 OR 2 CUSTOM DISPLAY DEFAULT READ OUT OF THE TOP DISPLAY DEFAULT READ OUT OF THE BOTTOM DISPLAY FORCED READ OUT OF THE TOP AND BOTTOM DISPLAY DEFAULT DISPLAY READ OUT OF THE REMOTE PANELS VI620S AND VI820S DEFAULT DISPLAY READ OUT OF THE REMOTE PANELS VI620S AND VI820S DISPLAY INFORMATION SHOW THE SET POINT VALUE MODIFY THE SET POINT SHOW THE ACTIVE SETPOINT DURING ENERGY SAVING OR DYNAMIC SETPOINT DISPLAY IN REMOTE OFF DISPLAY IN MOTOCONDENSING CONFIGURATION FUNCTION MENU M KEY ALARM LIST SHOW AND RESET COMPRESSOR OVERLOAD ALARM RESET COMPRESSOR OVERLOAD PASSWORD ALARM LOG LIST ERASE THE ALARM LOG LIST PASSWORD VALUE OF THE ALARM LIST DISABLE ENABLE A SINGLE CIRCUIT READ OUT OF A CIRCUIT NOT ENABLED ENABLE OR DISABLE A SINGLE COMPRESSOR READ OUT OF A COMPRESSOR NOT ENABLED READ OUT OF THE COMPRESSOR DISCHARGE TEMPERATURE PROBE READ OUT OF THE RUNNING HOURS RESET THE RUNNING HOUR READ OUT OF THE COMPRESSOR STARTS UP RESET THE STARTS UP NUMBER READ OUT OF THE PROPORTIONAL OUTPUT PERCENTAGE OF THE CONDENSER FAN CONTROL READ OUT OF THE FOUR PROPORTIONAL OUTPUT READ OUT OF THE TIME COUNTING TO THE NEXT DEFROST READ OUT OF THE PROBES CONFIGURED TO CONTROL AN AUXILIARY OUTPUT RELAY HOW TO DISPLAY THE TEMPAERATURE OF THE INTERNAL TEMPERAURE SENSOR OF THE REMOTE TERMINALS 1 OR 2 ENERGY SAVING ENERGY SAVING FR
66. L15 after the water pump is on and after the digital input itself is activated for the time set in AL17 Alarm not enable if AL14 0 Alarm enabled in chiller only if AL14 1 Alarm enabled in heat pump only if AL14 2 Alarm enabled in chiller and heat pump if AL14 3 Reset Digital input not active for the time AL18 Restart Automatic Manual after AL16 events per hours Reset procedure in Menu function Pg 80 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Icon Blinking Flow Action Alarm Relay and buzzer on only during normal running conditions ATTENTION The alarm relay and the buzzer are activated only if the alarm appears during normal running conditions When the temperature setpoint has been reached and CO16 CO21 2 the icon Flow blinks without alarm NOTE ABOUT THE FLOW ALARM CO16 CO21 0 Water pump not enabled The alarm is managed only if one digital input is configured as flow switch the restart is always automatic CO16 CO21 1 Water pump with continuous control The alarm is managed only if one digital input is configured as flow switch the restart is always automatic in stand by or remote OFF pump off it becomes manual after AL16 events per hour In chiller or heat pump only During the functioning of the unit any flow alarm stop the loads described in the table the water pump follow its regulation algorithm and is turned off after AL16 events per ho
67. MENU one time or wait the timeout 17 2 COMPRESSOR OVERLOAD ALARM RESET COtr function resets the compressor overload alarm event Within the COtr function all the active compressor overload alarms are displayed in a list Labels involved in COtr CO1r compressor 1 overload reset CO6r compressor 6 overload reset Labels CO1r CO2r CO3r CO4r CO5r are available if the digital inputs have been previously configured ATTENTION In the COtr function the alarm is displayed only after the number of events per hour have reched the Par AL20 value only after that number of events per hour the alarm becomes MANUAL MANUAL ALARM RESET PROCEDURE Enter Menu function 1 Use UP or DOWN key and select the COtr on the bottom display 2 Push SET one time if there are active alarms the bottom display shows the alarm label eg CO1r for compressor 1 while the top display shows the label rSt to reset the alarm or NO if the alarm can not be reset Use the UP or DOWN keys to scroll all the alrm list 3 Nothing happens by pushing SET when the label NO is displayed 4 Pushing SET when the rSt label is displayed the corresponding alarm will be reset after the password bottom display ArSt while the top display PAS 5 Push SET and the top display blinks O while the bottom shows PAS Insert the password using UP or DOWN key see AL parameter family If the password is OK the ArSt blinks for per 3seconds if the password value is
68. NTING TO THE NEXT DEFROST The 2 times delay to next defrosts of the two circuits can be showed in the menu function dF FUNCTION time to next defrost Label involved in dF function dF1 delay time to next defrost of the circuit 1 dF2 delay time to next defrost of the circuit 2 The labels apperas on if the heat pump configuration is enabled Enter the function menu 1 Use the UP or DOWN keys to select dF 2 Push SET key the dF1 label is showed on the top display the bottom display shows the time delay to next defrost in minutes seconds The icon is on 3 Use the UP or DOWN keys to select dF1 or dF2 4 To exit the Hour function push MENU key or wait the timeout 17 19 READ OUT OF THE PROBES CONFIGURED TO CONTROL AN AUXILIARY OUTPUT RELAY The probe values configured to control the auxiliary relay output can be showed in the menu function uS FUNCTION temperature pressure value of the control probe for auxiliary output Label involved in uS function uSt1 auxiliary probe value of the circuit 1 uSt2 auxiliary probe value of the circuit 2 Enter the function menu 1 Use the UP or DOWN keys to select uS 2 Push SET key the label uSt1 temperature probe or uSP1 Pressure probe is showed on bottom display the top display shows the the temperature or pressure value 3 Use the UP or DOWN keys to select uSt1 auxiliary probe for circuit 1or uSt2 auxiliary probe for circuit 2 4 To exit the Hour function push MENU key or
69. Not active flow input duration Within this time the flow alarm must be not active and after this time the previous alarm is automatically reset if automatic or if manual the unit can be restarted 41 4 ATSF OVERLOAD ALARM OF THE SUPPLY FAN Label o the display AtSF Overload alarm of the supply fan Origin CF0120 After on fan when the ID is activated for AL15 time After on pump when the ID is activated for AL17 Reset Digital input not active for AL18 time Restart Automatic Manual after AL16 events hour Reset procedure in Menu function Icon Blinking Flow Action Alarm relay buzzer ON MANUAL RESET OF THE OVERLOAD ALARM OF THE SUPPLY FAN After AL16 events hour it is necessary to restart manually the unit reset procedure in Function Menu with blinking label rSt if the alarm is not active from Al18otherwise label NO can not be reset Push SET key to reset the alarm the label disappears the fan restarts and the alarm is by passed for AL15 time delay to allow the start up if within this interval the alarm does not appear again 41 5 ATE1 ATE2 EVAPORATOR PUMP OVERLOAD ALARM Label o the display AtE1 overload pump alarm of evaporator 1 AtE2 overload pump alarm of support evaporator 2 Origin Active ID when it is configured as overload pump of evaporator 1 Active ID when it is configured as overload pump of support evaporator 2 Reset With active digital input Restart Ma
70. OM DIGITAL INPUT ENERGY SAVING TIME TABLE WITH RTC RTC DAILY TIME TABLE PROGRAMMING ENERGY SAVING OR UNIT ON OFF ACTIVATION WITH RTC PROGRAMMING DYNAMIC SETPOINT DYNAMIC SETPOINT GRAPH AUXILIARY RELAYS AUXILIARY RELAY WITH DIRECT ACTION AUXILIARY RELAY WITH INVERSE ACTION COMPRESSOR THERMOREGULATION THERMOREGULATION PARAMETER DESCRIPTION SELECTION OF THE KIND OF THERMOREGULATION GRAPH OF THE COMPRESSOR THERMOREGULATION IN CHILLER GRAPH OF THE COMPRESSOR THERMOREGULATION IN HEAT PUMP GRAPH NEUTRAL ZONE COMPRESSOR CONTROL GRAPH PROPORTIONAL INTEGRAL COMPRESSOR REGULATION CONTROL THERMOREGULATION OF THE ANTI FREEZE INTEGRATION HEATING OR BOILER THERMOREGULATION OF THE HEATERS IN CHILLER THERMOREGULATION OF THE HEATERS IN HEAT PUMP 23 3 23 4 23 5 23 6 23 7 24 25 26 27 27 1 27 2 27 3 27 4 27 5 27 6 27 7 27 8 27 9 28 28 1 28 2 28 3 29 29 1 29 2 29 3 29 4 29 5 29 6 30 30 1 30 2 30 3 30 4 30 5 30 6 30 7 31 31 1 32 32 1 32 2 33 33 1 33 2 33 3 34 34 1 35 35 1 35 2 36 36 1 37 37 1 37 2 37 3 37 4 38 THERMOREGULATION OF THE SUPPORT HEATERS FOR AIR AIR UNIT CONDENSER ANTI FREEZE HEATERS REGULATION THE THERMOREGULATION OF THE ANTI FREEZE HEATERS OF THE CONDENSER RECOVERY GRAPH OF THE ANTI FREEZE INTEGRATION HEATING BOILER HEATER RELAYS BOILER THERMOREGULATION ANTIFREEZE BOILER FUNCTION ANTI FREEZE ALARM AND HEATERS REGULAT
71. ORTANT To change from chiller to heat pump and viceversa the unit must be set in stand by before continuing key allows to start in chiller mode if CF78 0 in heat pump if CF78 1 When the unit is running the key allows to start in heat pump mode if CF78 0 in chiller if CF78 21er When the unit is running the STAND BY OR UNIT OFF NOT RUNNING The unit is considered in stand by when the leds Ye and vel are both off The stand by is reached each time the Chiller or the Heat Pump are turned off During the stand by the user can Show all the probe measurements Detect and reset the alarm events 13 2 UNIT START STOP FROM DIGITAL INPUT Turn on or off the unit from digital input Set the digital input as remote ON OFF depending on the input polarity it can generate the unit off e The digital input overrides the keyboard command e keyboard can run only if the digital input is not active e When the digital input is not active the instrument restore its status had before the digital input activation 14 DISPLAY LAYOUT As default In normal condition the display shows the circuit 1 information The displayed circuit is indicated from the corresponding led Cir1 on UP key or Cir2 circuit 2 DOWN key 14 1 How TO SHOW THE MEASUREMENT LIST With the led Cir1 on push UP or Down keys to display the labels of the information of the circuit 1 With the led Cir2 on push UP or Down keys to display the labels of the in
72. Pump down transducer CO36 1 2 3 4 compressors start up and the set CO37 is not reached in the interval time CO39 Reset From thermoregulation start up and ID not active From thermoregulation start up with evaporating pressure higher than CO37 CO38 differential Restart Automatic Manual and logged after AL21 events per hour if AL23 1 reset procedure in function menu If AL23 0 it is automatic and not logged Icona Blinking N Action Alarm relay buzzer ON when it becomes manual 41 35 C1MN C2MN C3MN CAMN C5MN C6MN COMPRESSOR MAINTENANCE Label o the display C1Mn Compressor 1 maintenance C6Mn Compressor 6 maintenance Origin Compressor running hours gt Hour counter setpoint Reset Hour reset in function menu Restart Manual Icona Blinking N Action Alarm relay buzzer ON Regulation Action Only display warning messages Loads Not changed 41 36 AEP1 AEP2 PUMP SUPPLY FAN MAINTENANCE Label o the display AEP1 Evaporator 1 pump maintenance AEP2 Evaporator 2 pump maintenance Origin Pump supply fan running hours gt Hour counter setpoint Reset Hour reset in function menu Restart Manual Icona Blinking N Action Alarm relay buzzer ON Regulation Action Only display warning messages Loads Not changed 41 37 ACP1 ACP1 CONDENSER PUMP MINTENANCE Label o the display ACP1 Condenser 1 pump maintenance ACP1
73. R mode the maximum probe value compared between the temperature pressure probe of the two circuits HEAT PUMP no evaporator probe configured the minimum probe value compared between the condenser temperature pressure probe of the two circuits HEAT PUMP evaporator probe configured the minimum probe value compared between the evaporator temperature pressure probe of the two circuits If par FA05 1 and if the evaporating pressure probe are not configured the fan output controls are separated and are controlled by the condenser temperature pressure probes When the evaporator probes are configured in heat pump the ventilation is controlled by these transducers 37 3 GRAPH PROPORZIONAL REGULATION OF CONDENSER FANS Speed Heat pum FA21 pump FA1 OFF 37 4 GRAPH ON OFF REGULATION OF THE CONDENSER FAN Heat pump Chiller OFF Pbr Pbr FA19 FA09 FA10 Pg 74 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 38 DEFROST CYCLE The defrost cycle starts only if all these steps are determined CF02 1 heat pump unit DF01 lt gt 0 defrost enabled Unit working in heat pump mode and at least one compressor running The condenser evaporator probe is configured per circuit if the evaporator probe s is are defined the defrost cycled is always controlled by it them 38 1 FoRCED DEFROST The function is enabled if the parameter dF19 lt gt 0 It allows to make a forced d
74. RESSURE IN CHILLER Label o the display b1CU unloading high temperature from condenser of the circuit 1 b2CU unloading high temperature from condenser of the circuit 2 Origin When the temperature pressure of condenser probe control is higher then CO44 Reset When the temperature pressure of condenser probe is lower than CO44 CO45 differential After unloading is activated after 47 Restart Automatic Icon Blinkin N Action Alarm relay buzzer OFF 41 31 B1CU B2CU UNLOADING FROM LOW CONDENSING TEMPERATURE PRESSURE IN HEAT PUMP Label o the display b1CU unloading message from condenser 1 b2CU unloading message from condenser 2 Origin During normal running condition when the temperature pressure of evaporator condenser probe is lower than CO46 setpoint Reset when the temperature pressure of evaporator condenser probe value is higher than 46 47 After unloading is activated after 48 Restart Automatic Icon Blinking N Action Alarm relay buzzer OFF 41 32 B1RC B2RC RECOVERY DISABLED FROM HIGH CONDENSING TEMPERATURE PRESSURE IN CHILLER Label on the display b1rC recovery disabled message from circuit 1 b2rC recovery disabled message from circuit 2 Origin In normal running condition when the temperature pressure probe value is higher than the set rC06 Reset
75. TC2 CONDENSER RECOVERY PUMP OVERLOAD ALARM AEE EEPROM ALARM AFR POWER SUPPLY FREQUENCY ALARM ALOC GENERIC ALARM WITH STOP REGULATION ACF1 ACF2 ACF3 ACF4 ACF5 ACF6 ACF7 ACF8 ACF9 CONFIGURATION ALARM OF THE UNIT ARTF CLOCK FAILURE ARTC CLOCK ALARM AEUN UNLOADING ALARM FROM HIGH TEMPERATURE OF THE EVAPORATOR WATER INLET ALTI LOW AIR AMBIENT TEMPERATURE AIR AIR UNIT ONLY AEP1 AEP2 EVAPORATOR PUMPS SUPPLY FAN MAINTENANCE REQUEST ACP1 ACP12 CONDENSER PUMPS MAINTENANCE REQUEST B1HP B2HP HIGH PRESSURE SWITCH CIRCUIT 1 AND 2 B1LP B2LP LOW TEMPERATURE LOW CONDENSING PRESSURE OF THE CIRCUIT B1AC B2AC B1AC B2AC ANTIFREEZE ALARM LOW OUTLET TEMPERATURE AIR AIR UNIT IN CHILLER MODE B1AH B2AH ANTI FREEZE ALARM LOW OUTLET AIR TEMPERAURE AIR AIR UNIT ONLY ON HEAT PUMP MODE B1HP B2HP HIGH PRESSURE CONDENSING HIGH TEMPERATURE OF THE CIRCUIT B1LP B2LP LOW PRESSURE SWITCH CIRCUIT 1 OR 2 B1LP B2LP LOW EVAPORATING PRESSURE OF THE CIRCUIT WITH PRESSURE TRANSDUCERS ONLY B1TF B2TF CONDENSER FAN OVERLOAD ALARM C1HP C2HP C3HP CAHP C5HP COHP COMPRESSOR HIGH PRESSURE ALARMS C20P C4OP C50P C6OP PRESSURE SWITCH ALARM COMPRESSOR OIL C1DT C2DT C3DT C4DT C5DT C6DT HIGH COMPRESSOR DISCHARGE TEMPERATURE ALARM C1TR C2TR C3TR CATR C5TR C6TR COMPRESSOR OVERLOAD ALARM B1DF B2DF DEFROST ALARM B1CU B2CU UNLOADING DISABLED FROM HIGH CONDENSIN
76. TH PRESSURE CONDENSING TEMPERATURE OR EVAPORATING PRESSURE CONTROL The function is always enabled for both the running mode in order to reduce the load and helps the unit to start in chiller for high temperature of the external air to avoid high pressure alarms in heat pump for low temperature of external air to avoid the low pressure alarms The compressor unloading in chiller mode is managed by the analogue input configured as condenser probe circuit 1 or 2 and determined by CF07 O temperature 1 pressure The compressor unloading in heat pump mode is managed by the analogue input configured as evaporator probe circuit 1 or 2 If not configured the heat pump unloading is managed from the condenser transducer 30 5 REGULATION UNLOADING IN CHILLER MODE When the chiller thermoregulation request begins to start the compressors if the condenser pressure temperature is equal or bigger than 44 setpoint the unloading process of that circuit probe is engaged The bottom display shows alternated with the measurement the b1Cu or b2Cu labels The number of active compressors step is determined by the CO49 parameter EXAMPLE Unit with 2 circuits with 3 compressors each If Par CO49 2 2 power steps per circuit in case of unloading there will be 4 compressor running With capacity compressors and with unloading active to avoid having a not well balanced circuit after reducing the power step valve on the resource the valve is activat
77. TWO CIRCUITS CONFIGURED WITH MORE THAN ONE CAPACITY STEP Circuits 1 and 2 configured with more than one step of power eg each circuit with three compressors After the rC04 time delay minimum on time of the recovery function when activated if the digital input of the recovery is not active the units stops the new resources for the time set in rC02 After this delay the recovery valve is turned off and the regulation restarts with its normal running condition RECOVERY START OF THE TWO CIRCUITS WITH ALL THE CAPACITY STEPS ACTIVATED When the system is running with 10096 eg all the three compressor of a circuit are on of power and the digital input start the recovery function before turning on the recovery valve one of the step depending on the time running hours is turned off for the time set in rC02 After rC02 the recovery valve is turned on Then after the rC03 time this delay keeps off all the other steps after the recovery is started the resource forced off if necessary is turned on again RECOVERY STOP OF THE TWO CIRCUITS WITH ALL THE CAPACITY STEPS ACTIVATED When the system is running with 10096 eg all the three compressor of a circuit are on of power and the digital input stop the recovery function after the rC04 time delay minimum on time of the recovery function when activated and before turning off the recovery valve one of the step is turned off for the time set in rC02 When the delay is expired the unit turns off the recovery
78. UTS NTC PROBES PbC Common terminal IC260L IC261L IC280L IC281L 74 DIGITAL INPUTS GND Common terminal IC260L IC261L IC280L IC281L sleet dt 25 27 29 31 33 35 3739 41 43 45 26 28 30 32 34 36138 40 4244 46 Jj Jj J 7 5 ANALOG INPUT FOR PRESSURE TRANSDUCER PP30 4 20MA SIGNAL Using 4 20mA pressure transducer set the Parameter CF07 0 1 IC260L IC2 1L IC280L IC281L 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 6 ANALOG INPUT FOR PRESSURE RATIOMETRIC TRANSDUCER PPR30 0 5V SIGNAL Using 5V ratio metric pressure transducer set the Parameter CF07 2 2 3 IC260L IC261L IC280L IC281L 7 7 PWM OUTPUT FOR CONDENSING FAN SPEED CONTROL With only one condensing circuit configured the TF1 TF2 outputs work together The PWM signal can control the cut phase controllers for the following mono phase models Mod XV05PK mono phase cut phase control 500 Watt 2A Mod XV10PK mono phase cut phase control 1000 Watt 4A Mod XV22PK mono phase cut phase control 2200 Watt 9A Fan speed module circuit n 1 Power supply 23N Fan speed module circuit n 2 Power supply 230 gt Pg 20 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 8 FAN CONDENSING CONTROL 0 10VDC OUTPUTS With only one condensing circuit configured the Out1 Out2 outputs work together giving the same
79. active unloading 1 1 step 1 3 2 2 step 3 3 step CO 50 Minimum ON time of the capacity step after the unloading function start only 0 250 Sec for capacity compressor Compressor liquid injection CO 51 Setpoint of the solenoid valve on of the liquid injection 0 150 HC Dec int 0 302 F int CO 52 Setpoint of the solenoid valve off of the liquid injection 0 0 25 0 C Dec 0 45 F int Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Auxiliary relay menu function Parameters Description min M U Resolution Auxiliary relay of the circuit 1 US 1 Auxiliary relay 1 operating mode See graph and auxiliary relay functions 07 Not enabled 1 7 Always available with direct action 0 4 2 Available only when the unit is on with direct action 3 Always available with reverse action 4 Available only when the unit is on with reverse action US2 Analog input configuration for auxiliary relay 1 control Allows to select which 4 10 probe value Pb1 Pb10 controls the relay Pg 34 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary US3 Auxiliary setpoint 1 See graph and auxiliary relay functions 30 0 70 0 C Dec 22 158 F int 0 0 50 0 Bar Dec 0 725 Psi int US 4 Auxiliary differential 1 See graph and auxiliary relay functions 0 0 25 0 C Dec 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int
80. alogue inputs NTC probes or through configuration 6 NTC PTC and 4 pressure transducer 4 20mA or ratio metric 0 5 0Volt 6 modulating outputs 1 output for remote panel max 2 remote panels 1 TTL output for Hot Key 64 connection or for XJ485 interface module for monitoring system connection MAX current on the relay contacts rel 5 2 A 250V MAX common current 12A 250V IC260L IC280L 5 2 A 250V II I N Di DI6 7 de 0 D 31 33 35 37 39 41 43 45 32 34 36 38 40 42 44 46 16 0118 Pb8 D17 0110 0112 DH4 DI DH DHS 7 2 HARDWARE RESOURCES FOR IC261L IC281L MODELS 14 digital outputs relays 18 digital inputs free of voltage 10 analogue inputs NTC probes or through configuration 6 NTC PTC and 4 pressure transducer 4 20mA or ratio metric 0 5 0Volt 6 modulating outputs 1 output for remote panel max 2 remote panels 1 TTL output for Hot Key 64 connection or for XJ485 interface module for monitoring system connection MAX current on the relay contacts rel 5 2 A 250V MAX common current 12A 250V IC261L IC281L RLI RLIT RLI2 RLIS RLM Di4 06 ND DI5 DI7 09 9 Pb2 PbC Outl 02 DH 1 315 7 9 9 1 33 35 37 39 41 2 4 6 2 14 16 2 28 30 32 34 3e 38 40 42 44 46 DI Pb8 10 1 D12 1 DH4 0 16 0118 DH DH3 0115 DI Pg 18 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 3 ANALOG INP
81. alve 2 compressor 2 35 Capacity step valve 3 compressor 2 36 By pass gas valve compressor 2 start 37 Direct start compressor 3 relay PW start relay PW 1 of the compressor 3 Star delta start relay line 1 of the compressor 3 38 PW start relay PW 2 of the compressor 3 Star delta start relay line 1 of the compressor 3 39 Star centre of the Star delta start of the compressor 3 40 Capacity step valve 1 compressor 3 41 Capacity step valve 2 compressor 3 42 Capacity step valve 3 compressor 3 43 By pass gas valve compressor 3 start 44 Direct start compressor 4 relay PW start PW 1 of the compressor 4 Star delta start relay line 1 of the compressor 4 45 PW start relay PW 2 of the compressor 4 Star delta start relay line 1 of the compressor 4 46 Star centre of the Star delta start of the compressor 4 47 Capacity step valve 1 of the compressor 4 48 Capacity step valve 2 of the compressor 4 49 Capacity step valve 3 of the compressor 4 50 By pass gas valve compressor 4 start 51 Compressor 5 relay 52 Compressor 6 relay 8 5 CONDENSER PROPORTIONAL CONTROL CONFIGURATION 2 OUTPUTS Proportional outputs used to configure a proportional output signal to condenser fan control Parameters involved CF68 Condenser control configuration for circuit 1 CF69 Condenser control configuration for circuit 2 07 0 10Vdc for external mono or three phase fan control board 17 4 20mA for external mono
82. alve of the circuit is on UNIT WITH BOTH THE CIRCUITS RUNNING If recovery function is enabled if the condenser temperature pressure condition are whithin the limits the circuit 1 starts the recovery recovery valve 1 on when the digital input 1 is activated and the circuit 2 starts the recovery recovery valve 2 on when the digital input 2 is activated After starting the recovery function will run at least for the time set in parameter rC04 minimum time with recovery on Between the end of a recovery cycle and the next start the unit waits the time set in Par rC05 before starting it again RECOVERY START STOP OF THE CIRCUITS 1 AND 2 CONFIGURED WITH ONE STEP EACH Both for recovery start or stop the delay time 02 and rC03 are not counted and the recovery valve is immediately turned on or off RECOVERY START OF THE TWO CIRCUITS CONFIGURED WITH MORE THAN ONE CAPACITY STEP Circuits 1 and 2 configured with more than one step of power eg each circuit with three compressors if the thermoregulation requires to turn on one or more resources and the recovery is activated from the digital input the unit turns on only one step and then waits the rC02 delay this delay keep off all the other steps after the recovery is started After the delay the recovery valve is turned on and after the rC03 time this delay keeps off all the other steps after the recovery is started the other resources if necessary are turned on RECOVERY STOP OF THE
83. apacity steps the successive resource is turned on after the CO03 delay in seconds Both for sequential or rotation regulation with or capacity steps the successive resource is turned off after the delay in seconds If the power supply fails all the outputs are forced off for the CO005 time delay 27 COMPRESSORS 27 1 COMPRESSORS START UP Parameter CO10 defines the compressor start up CO10 0 direct CO10 1 part winding CO10 2 Star delta To configure the compressor start up it is necessary check the CF parameters of the relay outputs After selecting the compressor start up mode if the output resources are not properly configured eg more or less relay outputs than the necessary the ACF6 alarm is displayed 27 2 DiRECT START UP Configure one relay output for each compressor K1 relay Fig 1 One relay output controls the corresponding compressor up to 6 resources EXAMPLE Direct start up configuration for one compressor Set the Parameter CF54 21 Direct start up RL1 compressor 1 Fig 1 27 3 DIRECT START UP OF A CAPACITY COMPRESSOR When working with capacity compressors and with full power start up the controller turns the solenoid valve on first and then after 1 second the compressor motor Durning the CO13 time delay the valve is forced on minimum power When the C013 is expired if the thermoregulation requires more power the valve will be switched off maximum
84. ation by hour Depending on the time running hours the first compressor called by the thermoregulation is the one with less time running hours This algorithm is aborted if the unit is configured with one capacity compressor CO14 2 Rotation by starts up Depending on the number of starts up per hour the first compressor called or turned off is the one with less starts up number This algorithm is aborted if the unit is configured with one capacity compressor 26 SATURATION CIRCUIT BALANCING CIRCUIT SATURATION 15 0 Depending the thermoregulation all the compressors of the first turned on before using the second circuit Eg 2 circuits 2 step for each circuit total of 4 resources Activation The thermoregulation immediately requires all the 4 resources the controller turns on the compressor with less running hours then the second compressor of the same circuit Then it is turned on the compressor with less running hours of the other circuit and then the second compressor of the other circuit De activation It is selected first the the circuit having less resources on if the running resources are equals for both circuits the first compressor turned off is the one with the greater number of running hours or less number of starts up then in the same circuit the other resources are turned off With the same algorithm the controller will turn off the resources of the other circuit CIRCUIT BALANCING CO15 1 the circ
85. ator water ALti Low evaporator inlet temperature in air air unit AEP1 Evaporator 1 water pump maintenance AEP2 Evaporator 2 water pump maintenance ACP1 Condenser 1 water pump maintenance ACP2 Condenser 2 water pump maintenance 1 with probe configured as anti freeze boiler control and Ar10 0 2 with probe configured as auxiliary relay control 3 with manual alarm procedure 4 Off compressors spenti with only 1 water pump configured or with 2 pumps but both in alarm from the corresponding digital inputs 5 Boiler heaters off with only 1 water pump configured or with 2 pumps but both in alarm from the corresponding digital inputs in this case the boiler heaters are on only with thermoregulation anti freeze setpoint as evaporator protection function Alarm Evap Cir1 Cir2 i Anti freeze Support Condens Auxiliary code Alarm description 2 Pump condenser boiler heaters Supply fan er pump fans relay igi No data communication betweeen the kwyaboard and the regulator 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 43 2 ALARM TYPE AND CORRESPONDING OUTPUT OFF Preliminary Alarm Alarm description Compressors Compressors of Fan condensing of the Fan condensing of Code of the circuit the other circuit circuit n the other circuit n b nHP High pressure switch of the circuit
86. configurable OTHER OUTPUTS TTL RS 485 with Mod Bus Rtu protocol o o o Output for remote keyboard VI620 up to 2 boards together Output for remote keyboard VI820 up to 2 boards together POWER SUPPLY 12 Vac dc 15 10 o 24 10 DISPLAY 3 led with decimal point o o o BOTTOM DISPLAY 4 led with decimal point o o e OTHERS Internal RTC opt opt opt opt Buzzer opt opt opt opt configurable configurable through parameter opt optional default free cooling IC280L IC281L only Heating recovery IC280L IC281L only Pg 10 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 4 USER INTERFACE 4 1 FUNCTION OF THE LEDS OF THE KEY BUTTONS Use of the led on the IC260L IC261L models ON it displays the size of cir N 1 when Girl arid 2 blink at the same time On unit irr chillar rade it means you are entering in programing mode OFFunit in stand by On unit in heat pump mode OFFunit in stand by Auxiliary output n 2 Auxiliary output n 1 Delros ON it displays the size of cir N 2 when 1 and cir2 blink at ihe same time ON anter in function it means you are enterini programing mode Blinking when menu or RTC parameters scl energy saving or set point dinamic in On Use of the led on the IC260L IC261L metal mo
87. d 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Energy saving Parameters Description min udm Risoluzione ES 1 Start of the Time band 1 024 0 24 00 Hr 10 Min ES 2 End of the Time Band 1 0 24 0 24 00 Hr 10 Min ES 3 Start of the Time band 2 0224 0 24 00 Hr 10 Min ES 4 End of the Time Band 2 0 24 0 24 00 Hr 10 Min ES 5 Start of the Time band 3 0 24 0 24 00 Hr 10 Min ES 6 End of the Time Band 3 0 24 0 24 00 Hr 10 ES 7 Monday energy saving activated 0 0 7 7 Automatic unit on off ES 8 Tuesday energy saving activated 0 0 7 7 Automatic unit on off ES 9 Wednesday energy saving activated 0 0 7 7 Automatic unit on off ES 10 Thursday energy saving activated 0 0 7 7 Automatic unit on off ES 11 Friday energy saving activated 0 0 7 7 Automatic unit on off ES 12 Saturday energy saving activated 0 0 7 7 Automatic unit on off ES 13 Sunday energy saving activated 0 0 7 7 Automatic unit on off ES 14 Energy Saving setpoint offset in chiller mode 30 0 30 0 C Dec 54 54 int ES 15 Energy Saving differential in chiller mode 0 0 25 0 C Dec 0 45 F int ES 16 Energy Saving setpoint offset in heat pump mode 30 0 30 0 C Dec 54 54 F int ES 17 Energy Saving differential in heat pump mode 0 0 25 0 C Dec 0 45 int Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Compressors Parameters Description min Risoluzione CO 1 Minimum compressor ON time after
88. dFO8 0 the valve is turned without stopping the compressors the defrost ends and all the regulation restarts the defrost led i in heat pump is off If dF08 0 1 All the compressors and steps are turned off the compressor leds are blinking and the defrost led i i is on 2 Start the dF08 2 half time time counting 3 Inversion valve de activated 4 Start the dF07 2 half time time counting all the regulation restarts and the defrost led in heat pump is off 38 7 OTHER INFORMATION ABOUT THE DEFROST FOR ALL THE UNIT WITH SAME DEFROST FOR THE TWO CIRCUITS If the unit is configured with one condenser see parameter FA05 0 common condenser 1 separated condensers Pg 76 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary For FA05 0 common condenser the defrost of the two circuits starts at the same time ATTENTION Before starting the 3 phase the dF06 counting time delay between two circuits defrost must be expired ATTENTION If the defrost ends because of the dF05 counting Maximum defrost time and the dF02 configuration or with the end defrost contact the bottom display will show alternated with the normal measurement value the label b1dF circuit 1 or b2dF circuit 2 labels to indicate the defrost end alarms 38 8 DEFROST PARAMETER DESCRIPTION ATTENTION IT IS NOT POSSIBLE TO DO MODIFY THE dF PARAMETERS WHEN THE DEROST CYCLE IS RUNNING dF01 Defrost mode 0 Defros
89. dels ON it displays the size of cir N 1 when cir1 and cir2 blink at the same time On unit in chiller mode it means you are entering in programing mode OFFunit in stand by output n2 On unit in heat pump mode Auxiliary output n 1 OFFunit in stand by GT Defrost ON it displays the size of cir N 2 when cir1 and cir2 blink at the same time ON enter in function it means you are entering in programing mode Blinking when menuor RTC parameters set energy saving or set point dinamic in On 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Use of the led on the models IC280L IC281L ON it displays the size of cir N 1 SES when cir1 and cir2 blink at the same time On unit in chiller mode it means you are entering in programing mode OFFunil in stand by On unit in heat pump mode OFFunit in stand by Auxiliary output n 2 Auxiliary output n 1 ON unil in free cooling mode Delrosl ON il displays Lhe size ol cir 2 h when cid snd cir2 blink at the same lime ON enler in function cl ata mode it means you are entering in programing mode Blinking when menu or pararnaters set energy saving or set point dinamic in On Use of the led on the metal models IC280L IC281L ON it displays the size of cir N 1 w when cir1 and cir2 blink at the same time On unit in chiller mode it means you are entering in programing mode OFFunit in stand by Auxiliary output n 2 On
90. der the Ar19 setpoint the compressors are turned off They are restarted only if the external air temperature rises above Ar19 Ar20 differential Heating control Ar11 2 If during the functioning the external air temperature value goes down under the Ar12 setpoint the Ar14 delay time starts counting If during this delay the external temperature rises above the Ar12 Ar13 the process is aborted and the time Ar14 reloaded If after the Ar14 delay the external air temperature is still under the Ar12 setpoint and the regulation water temperature detected by the evaporator probe is lower than Ar15 chiller or Ar17 Heat Pump the heaters are turned on while the compressor s and the condensing fan s are turned off The heating is made only by the heaters When the temperature rises above the Ar15 Ar16 regulation band in chiller or Ar15 Ar17 regulation band in HP the heaters are turned off If during the functioning the external air temperature value rises above the Ar12 Ar13 the heaters are turned off and the compressor thermoregulation is restarted the Ar14 delay is reloaded HEATERS of the BOILER ANTI FREEZE DURING the DEFROST CYCLE The Ar05 parameters defines the functioning of the heaters of the boiler during the defrost If Ar05 0 the heaters are activated by the thermoregulation while if 05 1 the heaters are turned on when the 4 way valve changes the status from heat pump to chiller and then they are turned off after the dripping ti
91. e e The instrument shall not be used for purposes different from those e described hereunder It cannot be used as a safety device e Check the application limits before proceeding e 1 2 SAFETY PRECAUTIONS e Check the supply voltage is correct before connecting the instrument e Do not expose to water or moisture use the controller only within the e operating limits avoiding sudden temperature changes with high e atmospheric humidity to prevent formation of condensation e Warning disconnect all electrical connections before any kind of e maintenance e The instrument must not be opened e Incase of failure or faulty operation send the instrument back to the e distributor or to Dixell s r l see address with a detailed description of e fault e Consider the maximum current which can be applied to each relay see e Technical Data e Ensure that the wires for probes loads and the power supply are separated e andfar enough from each other without crossing or intertwining Fit the probe where it is not accessible by the end user e Incase of applications in industrial environments the use of mains e filters our mod FT1 in parallel with inductive loads could be useful 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 2 GENERAL FEATURES iCHILL IC200L is an electronic controller for chiller unit applications having one or two circuits e e Air water e Water wa
92. e PTC for compressor 5 discharge Temperature probe for compressor 6 discharge Temperature probe NTC for evaporator inlet Temperature probe NTC for evaporator 1 outlet Temperature probe NTC for evaporator 2 outlet 10 Temperature probe NTC for common evaporator outlet 11 Temperature probe NTC for common hot water condenser recovery inlet 12 Temperature probe NTC for hot water of the condenser recovery circuit 1 inlet 13 Temperature probe NTC for hot water of the condenser recovery circuit 2 inlet 14 Temperature probe NTC for hot water of the condenser recovery circuit 1 outlet 15 Temperature probe NTC for hot water of the condenser recovery circuit 2 outlet 16 Temperature probe NTC for hot water of the condenser recovery common outlet 17 Temperature probe NTC for free cooling water inlet circuit 18 Temperature probe NTC for free cooling external air temperature 19 Temperature probe NTC for dynamic setpoint external air boiler change over 20 Temperature probe NTC for combined defrost circuit 1 21 Temperature probe NTC for combined defrost circuit 2 22 Temperature probe NTC for auxiliary output 1 23 Temperature probe NTC for auxiliary output 2 Q op O OY N Pg 24 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 24 Temperature probe NTC for condensing circuit 1 25 Temperature probe NTC for condensing circuit 22 After the number 25 the display configurat
93. e front panel 2 The ST10 parameter defines the thermoregulation probe of the unit with heat pump control 0 NTC probe temperature of the evaporator inlet 17 NTC probe temperature of the evaporator 1 outlet 2 7 NTC probe temperature of the evaporator 2 outlet 3 NTC probe temperature of the evaporator common outlet 4 Remote terminal 1 probe 5 Remote terminal 1 probe 6 NTC probe temperature of the condenser common inlet 7 7 NTC probe temperature of the condenser 1 inlet 8 NTC probe temperature of the condenser 2 inlet 9 NTC probe temperature of the condenser 1 outlet 102 NTC probe temperature of the condenser 2 outlet 112 NTC probe temperature of the condenser common outlet ATTENTION To have the same regulation both for chiller and heat pump set the parameters ST09 and ST10 with the same value 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 22 SELECTION OF THE KIND OF THERMOREGULATION Par ST11 determines the type of regulation 0 Proportional 1 Neutral zone 2 Proportional integral 22 1 GRAPH OF THE COMPRESSOR THERMOREGULATION IN CHILLER Step STO1 CHILLER MODE 22 2 GRAPH OF THE COMPRESSOR THERMOREGULATION IN HEAT PUMP Step HEAT PUMP MODE STO4 6 Step 5 Step 4 Step 3 Step 2 Step 1 Step Pg 60 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 22 3 GRAPH NEUTRAL ZONE
94. e relay output is configured as pump down solenoid valve for circuit 1 and 2 and one analogue input as low pressure probe of the circuit 1 and 2 When the thermoregulation is going to stop before turning off the last compressor the solenoid valve is closed The compressor runs until the pump down pressure probe connected to the analogue input reaches the setpoint in CO37 If the last compressor stops before the pump down pressure switch because of the CO39 time out maximum compressor on time after turning off the P D solenoid valve the ICHILL calculates the AL21 parameter maximum number of pump down alarm per hour and if an alarm occurs the display will show the alarm code the buzzer and the alarm relay will be on If the thermoregulation is stopped via digital input as remote off or from chiller heat pump keys during the pump down process the chiller or the heat pump led will blink When the next thermoregulation restarts the PD solenoid valve turns on and after 1 seconds if the pressure probe is higher then CO37 the compressors start If the compressors do not restart within the CO39 time the pump down alarm will signalled and the compressor are stopped In this case if AL23 0 the compressor can restart only if the pressure switch becomes active or if AL23 1 and the number of alarms per hour becomes AL22 only after the manual reset PAR CO36 3 START UNIT WITH PUMP DOWN in CHILLER MODE No PUMP DOWN at START UP In Heat pump mode the
95. e turning on the compressor in chiller mode To turn on the fan at the maximum speed before the compressor and reduce 0 250 Sec the successive condensing temperature pressure increasing Fan in Chiller mode FA7 Minimum speed for condenser fan in Chiller mode To set the minimum fan speed percentage value 30 100 it is related to 30 100 96 the fan power supply FA8 Maximum speed for condenser fan in Chiller mode To set the maximim fan speed percentage value 30 100 it is related to 30 100 the fan power supply FA9 Temperature or pressure limit to enable the minimum speed FA 7 30 0 70 0 C Dec 22 158 F int 0 0 50 0 Bar Dec 0 725 Psi int FA 10 Temperature or pressure limit to enable the maximum speed FA 8 30 0 70 0 C Dec 22 158 F int 0 0 50 0 Bar Dec 0 725 Psi int FA11 Proportional band for condenser fan control in chiller 0 0 25 0 C Dec To set the temperature pressure differential between the minimum and the 0 45 kim int maximum of the fan speed regulation 0 0 14 0 Bar Dec 0 203 Psi int FA 12 CUT OFF differential in chiller To set a temperature pressure differential to 0 0 25 0 Dec stop the fan 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary FA13 Over ride CUT OFF in chiller To set a temperature pressure differential to 0 0 25 0 C Dec keep the mini
96. e value to restart in the Chiller mode For external air temperature within CF81 the user can manually change the status from keyboard GRAPH AUTOMATIC CHANGE OVER CF80 CHILLER HEAT PUMP PBR CF81 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 12 3 CHILLER HEAT PUMP FUNCTIONING MODE IT IS DEFINED BY THE PARAMETER CF78 12 4 KEYBOARD SELECTION CF78 0 pushing key the unit starts in chiller pushing 3 key the unit starts in heat pump CF78 1 pushing s key the unit starts in heat pump pushing key the unit starts in chiller 12 5 ANALOG INPUT SELECTION CF78 0 NTC External air temperature probe gt CF80 CF81 the unit starts in chiller NTC External air temperature probe lt CF80 the unit starts in heat pump CF78 1 NTC External air temperature probe gt CF80 CF81 the unit starts chiller NTC External air temperature probe lt CF80 the unit starts in heat pump 13 UNIT START STOP The unit start sotp can be done from one of the following operations From keyboards RTC Time table Digital input configured as remote ON OFF 13 1 START STOP AND STAND BY FROM KEYBOARD TURN THE UNIT ON IN CHILLER OR HEAT PUMP MODE FROM THE KEYBOARD Push and release the NES corresponding led is on INPORTANT To change from chiller to heat pump and viceversa the unit must be set in stand by before continuing Push and release the Nel corresponding led is on INP
97. ed displayed and signalled with alarm relay buzzer 0 16 Manual reset if AL21 0 Automatic reset if AL21 16 From automatic to manual reset if AL21 1 15 AL 22 Maximum number of pump down alarm events per hour in start up condition After this number the alarm is logged displayed and signalled with alarm relay buzzer 0 16 Always manual reset if AL22 0 Always automatic reset if AL22 16 From automatic to manual reset if AL21 1 15 and parameter AL23 config AL 23 Select if the pump down alarm must change from automatic to manual reset 0 Always automatic reset 0 1 1 Manual reset after AL21 alarm events Anti freeze alarm in Chiller mode AL 24 Minimum antifreeze setpoint in chiller from 30 C to AL24 30 0 C Dec 22 A24 oF int AL 25 Maximum antifreeze setpoint in chiller from AL24 to 70 C 70 0 C Dec AL24 458 F int AL 26 Setpoint temperature for low anti freeze alarm low ambient temperature oi low air outlet air air From AL24 to AL25 diced 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary AL 27 Differential of alarm reset in Chiller mode for anti freeze low ambient air 0 25 0 C Dec temperature or low outlet air temperature alarms 0 45 F int AL 28 Alarm delay for anti freeze low ambient air temperature or low outlet air temperature The temperature must be lower than AL26 for t
98. ed for the time set in CO50 even if the unloading function is not more activated and the thermoregulation requires 10096 of power If CO50 0 the function is disabled and if necessary the valve is turned immediately off to have the 10096 of the power UNLOAD DE ACTIVATION in CHILLER MODE If the temperature decreases under the value determined by CO44 CO45 setpoint differential the unloading is disengaged the compressors are all available for the thermoregulation 30 6 OTHER INFORMATION ABOUT THE UNLOADING IN CHILLER To avoid having long period of unloading function activated when the temperature or the pressure value is continuously within the SET and SET differential if the temperature or the pressure is higher than CO40 the CO48 time delay forces the unloading off for timeout even if the temperature pressure is not lower than CO44 CO45 UNLOADING IN HEAT PUMP MODE The compressor unloading in heat pump mode is managed by the analogue input configured as evaporator probe circuit 1 or 2 When the heat pump thermoregulation request begins to start the compressors if the evaporator pressure temperature is equal or bigger than CO46 setpoint the unloading process of that circuit probe is engaged The bottom display shows alternated with the measurement the b1Cu crcuit2 or b2Cu crcuit2 labels The number of active compressors step is determined by the CO49 parameter EXAMPLE Unit with 2 circuits with 3 compressors each If Par CO
99. ed the active intervals when the number of active intervals reaches the thresold set with the corresponding parameter the alarm becomes manual By setting the thresold parameter 0 the alarm is manual from its first activation while if the thresold 16 the alarm is always automatic In this case to change in manual the thresold should be 17 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 43 TABLE OF THE OUTPUT STATUS IN ALARM CONDITION The alarm codes are made of letters and numbers to define the different typologies 43 1 ALARM TYPE AND CORRESPONDING OUTPUT OFF Alarm Alarm description Compressor Anti freeze Support Evap Condens Ventilaz Auxiliary Code heaters heaters Pump er Pump cond relay Boiler Supply fan Cir1 Cir2 AP1 Probe PB1 Alarm Yes Yes 1 Yes Yes Yes 2 AP2 Probe PB2 Alarm Yes Yes 1 Yes Yes Yes 2 AP3 Probe PB3 Alarm Yes Yes 1 Yes Yes Yes 2 AP4 Probe PB4 Alarm Yes Yes 1 Yes Yes Yes 2 AP5 Probe PB5 Alarm Yes Yes 1 Yes Yes Yes 2 AP6 Probe PB6 Alarm Yes Yes 1 Yes Yes Yes 2 AP7 Probe PB7 Alarm Yes Yes 1 Yes Yes Yes 2 AP8 Probe PB8 Alarm Yes Yes 1 Yes Yes Yes 2 AP9 Probe PB9 Alarm Yes Yes 1 Yes Yes Yes 2 AP10 Probe PB10 Alarm Yes Yes 1 Yes Yes Yes 2 ALti Low air temperature of the evaporator inlet air air unit Alarm AEFL Evaporator flow alarm Yes Yes boiler Ye
100. efrost cycle even if the dF09 timeout counting is not expired when the condensing evaporating temperature pressure is lower than dF20 setpoint for the dF19 time counting If during the dF19 time counting the condensing evaporating temperature pressure rises above the value dF20 dF21 set differential the function is disabled and the tF19 time is reloaded ATTENTION the forced defrost is not related to the dF09 dF06 delay times therefore the forced defrost cycle if condition are OK is immediately executed 38 2 COMBINED DEFROST The function is enabled if one of the digital input is configured as NTC temperature for combine defrost of the 1 or 2 circuit This probe detects the external air temperature of the condenser evaporator in heat pump and its temperature value determines the start and the stop of the defrost cycle Description of the functioning The count down to the defrost cycle starts when the temperature pressure of the probe configured as condensing evaporating circuit 1 or 2 probe is lower than dF02 parameter After the 09 counting the instruments checks the temperature probe value configured as combined defrost circuit 1 or 2 and if it is lower than dF10 temperature setpoint to start the defrost of the circuit1 or dF12 temperature setpoint to start the defrost of the circuit2 the defrost cycle starts otherwise the unit still runs in heat pump mode When the temperature decreases under the dF10 or dF12 values the
101. el 1 5 Temperature NTC probe from remote panel 2 6 Temperature probe for water common inlet of the condenser 0 11 7 Temperature probe for water inlet of the circuit 1 condenser 8 Temperature probe for water inlet of the circuit 2 condenser 9 Temperature probe for water outlet of the circuit 1 condenser 102 Temperature probe for water outlet of the circuit 2 condenser 112 Temperature probe for water common otlet of the condenser ATTENTION To have the same thermoregulation for chiller and heat pump mode set the parameters ST09 and ST10 with the same value ST 11 Type of thermoregulation 0 Proportional 0 2 1 Neutral zone 2 PI Proportional Integral Pri Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Display read out Parameter Description min Resolution 1 Default read out of the top display 1 14 dP 2 Default read out of the bottom display 1 17 dP 3 Default display read out configuration top bottom 0 Configurable 1 Top display Evaporator IN Bottom display Evaporator OUT 0 3 2 Top display Condenser IN Bottom display Condenser OUT 3 Top display temperature Condensing pressure Bottom Display evaporating pressure Display read out of the remote terminals dP4 Top display default read out of the remote terminal_1 0 the read out depends on the paremeters dP01 dP02 dP03 0 1 1 the read out shows the NTC probe of the remote panel dP5 Top display default read out of the remote terminal_2 0
102. family select the Pr1 1 Pr1 on the bottom display the current password value 1 on the top display Push the SET key to change the value that now is blinking 4 Use the UP or DOWN key to insert the NEW PASSWORD value then push SET to confirm the new value 5 The top display blinks for some seconds and then shows the next parameter 6 Exit the programming pushing SET UP together or wait the timeout Pr2 LEVEL Remember that it is necessary to know the old password value 1 Enter the Pr2 level 2 Select a parameter family 3 Inside the family select the Pr2 2 Pr2 on the bottom display the current password value 2 on the top display Push the SET key to change the value that now is blinking Use the UP or DOWN key to insert the NEW PASSWORD value then push SET to confirm the new value The top display blinks for some seconds and then shows the next parameter Exit the programming pushing SET UP together or wait the timeout nside the Pr2 level it is possible to change also the Pr1 password Pr3 LEVEL Remember that it is necessary to know the old password value 1 Enter the Pr3 level 2 Select a parameter family 3 Inside the family select the Pr3 3 Pr3 on the bottom display the current password value 3 on the top display Push the SET key to change the value that now is blinking Use the UP or DOWN key to insert the NEW PASSWORD value then push SET to confirm the new value The top display blinks for
103. formation of the circuit 2 Pg 46 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Each measurement is defined by a label that indicates which if it is a pressure a temperature or a time 14 2 SHOW THE CIRCUIT 1 OR 2 To swap between the information of the two circuits use the UP and DOWN key to select a label then push SET check the led Example in fig 1 Led cir1 is on the top display shows the value of the output evaporator temperature 7 8 C of the circuit 1 The bottom display shows Out 1 Push SET key to swap to the circuit 2 Fig2 Led cir2 is on the top display shows the value of the output evaporator temperature 7 9 C of the circuit 2 the bottom display shows Out 2 Fig 2 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 15 CUSTOM DISPLAY The dP family of parameters allows to set a custom display read out The user can change the default read out both for instrument and remote terminals of the measurements depending on the application Display Display superiore nuin NRE n p p C 7 47 47 bar Flow 6 9 OOO Display inferiore Bottom display 15 1 DEFAULT READ OUT OF THE TOP DISPLAY To set the default value displayed on the top display 1 Set the parameter dP03 0 it means configurable 2 Select the dP01 parameter into the range 1 14 descripted here below PARAMETER CORRESPONDING
104. fter the delay in Par AL43 Reset Digital input configured as generic alarm with stop regulation not active after the delay in Par AL44 Restart Automatic It becomes manual after AL42 events hour procedura di reset in menu funzioni Logged only if manuale Icona Blinking N Action Alarm relay buzzer ON REGULATION Alarm Alarm relay buzzer ON Other loads OFF ATTENTION If during AL44 the alarm stop and start again the AL44 time delay is reloaded Pg 82 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 41 10 ACF1 ACF2 ACF3 ACFA ACF5 ACF6 ACF7 ACF8 ACF9 CONFIGURATION ALARM OF THE UNIT Significato label display ACF1 Heat pump unit without 4 way valve not configured Defrost wrong parameters dF22 23 ACF2 Condensing control without probe configuration one probe per circuit with 2 separate circuits at least 1 probe for common cond Fan proportional control algorithm not respected FA09 FA11 FA12 lt FA10 FA12 lt FA13 FA07 lt FA15 lt FA08 Fan proportional control algorithm not respected and pump enabled FA18 FA21 FA20 lt FA19 FA21 lt FA22 FA16 lt FA23 lt FA17 Fan ON OFF regulation algorithm not respected FA09 lt FA10 Fan ON OFF regulation algorithm not respected and pump enabled FA18 lt FA19 e With pump and defrost enabled there are evaporating condensing probes e With triac regulation CF68 CF6
105. his time duration 0 250 Sec before having the alarm event AL 29 Maximum number of alarm events anti freeze low ambient air temperature or low outlet air temperature before changing from automatic to manual alarm reset 0 16 Always manual reset if AL29 0 Always automatic reset if AL29 16 From automatic to manual if AL29 1 15 AL 30 Anti freeze alarm configuration in chiller 0 to turn the compressors off when the anti freeze control probe is lower than AL26 after the time delay the display shows the alarm label Buzzer and Alarm relay are not activated 0 1 1 to turn the compressors off when the anti freeze control probe is lower than AL26 after the time delay the display shows the alarm label Buzzer and Alarm relay are activated Anti freeze alarm in Heat pump mode AL 31 Setpoint of the minimum limit in heat pump va da 30 C a AL32 30 0 C Dec 22 AL31 of int AL 32 Setpoint of the maximum limit in heat pump va da AL31 a 70 C 70 0 C Dec AL31 3 158 F int AL 33 Anti freeze alarm setpoint in heat pump Setpoint temperature for low anti freeze alarm low ambient temperature AL31 AL32 C F Dec int air air low temperature air outlet air air from AL31 to AL32 AL 34 Alarm differential in heat pump To reset the anti freeze low ambient 0 25 0 C Dec Temperature air air low temperature air outlet air air alarms 0 45 ck int AL 35 Anti freeze alarm delay in HP for low outlet air temperature air air
106. iCHilL IC2OOL Series dixell 10 1 10 2 11 11 1 11 2 11 3 11 4 11 5 11 6 11 7 11 8 11 9 11 10 11 11 11 12 12 12 1 12 2 INDEX GENERAL ADVICE GENERAL FEATURES MAIN FUNCTION IC200 L TABLE OF THE FEATURES USER INTERFACE FUNCTION OF THE LEDS OF THE KEY BUTTONS USE OF THE LED ON THE MODELS VI620 VI620S REMOTE PANELS USE OF THE LED ON THE MODELS VI820 VI820S REMOTE PANELS KEY FUNCTION KEY COMBINANTION LED AND ICONS DISPLAY AND ICONS MEANING FUNCTIONNING OF THE BOTTOM DISPLAY LED REMOTE TERMINAL FIRST INSTALLING ON BOARD CLOCK OPTIONAL RTC SETUP WIRING CONNECTIONS HARDWARE RESOURCES FOR IC260L IC280L MODELS HARDWARE RESOURCES FOR IC261L IC281L MODELS ANALOG INPUTS NTC PTC PROBES DIGITAL INPUTS ANALOG INPUT FOR PRESSURE TRANSDUCER PP30 4 20MA SIGNAL ANALOG INPUT FOR PRESSURE RATIOMETRIC TRANSDUCER PPR30 0 5V SIGNAL PWM OUTPUT FOR CONDENSING FAN SPEED CONTROL FAN CONDENSING CONTROL 0 10VDC OUTPUTS FAN CONDENSING CONTROL WITH 4 20MA OUTPUT PROPORTIONAL OUTPUTS 0 10V DUMPER CONTROL PROPORTIONAL OUTPUTS CONFIGURED FOR AUX RELAY CONTROL HOT KEY 64 CONNECTION XJ485 CONNECTION REMOTE PANELS VI620 VI820 ANALOG AND DIGITAL OUTPUT CONFIGURATION ANALOG INPUT PB1 PB2 PB7 PB8 PB9 PB10 ANALOG INPUT CONFIGURATION PB4 PB5 PB6 DIGITAL INPUT CONFIGURATION ID1 ID18 DIGITAL OUTPUT RELAY CONFIGURATION RL1 RL14 CONDENSER PROPORTIONAL
107. ial Heat pump evaporator inlet NTC probe higher than AL33 AL34 differential n stand by or remote OFF the evaporator inlet NTC probe higher than AL26 AL27 or AL33 AL34 Restart Automatic Icon Blinking A Action Alarm Relay and buzzer on 41 15 AEP1 AEP2 EVAPORATOR PUMPS SUPPLY FAN MAINTENANCE REQUEST Label description AEP1 Main water pump AEP2 Support water pump Activation Load running hours gt counter setpoint for that load Reset Running hour reset Hour label in Menu function Restart Manual Icon AN blinking Actions Alarm relay and buzzer activated REGULATIONS Actions Only signalling Loads Not modified The parameters CO34 CO35 define the hour set counters for the condenser water pump Support water pump They establish the load running hours limit of the pump s or the supply fan to give a maintenance signalling If one of these parameters is equal to 0 the maintenance signalling of that load is disabled but the running hours counter remains active 41 16 ACP1 ACP12 CONDENSER PUMPS MAINTENANCE REQUEST Label description ACP1 main water pump ACP2 support water pump Activation Load running hours gt counter setpoint for that load Reset Running hour reset Hour label in Menu function Restart Manual Icon A blinking Actions Alarm relay and buzzer activated REGULATION 1592015300 User manual iCHILL 200 L GB
108. ing hours air air EP2H Support evaporator water pump running hours CP1H Condenser water pump running hours CP2H Support condenser water pump running hours The labels are displayed only if the corresponding output is present and configured The running hours is displayed on the top display the resolution is x 10 hours eg 2 means 20 hours 20 means 200hours Enter the function Menu 1 Use the UP or DOWN keys to select Hour 2 Push SET key bottom display above labels top display hours x10 The time is on 3 Use the UP or DOWN keys to scroll the list 4 To exit the Hour function push MENU key or wait the timeout 17 13 RESET THE RUNNING HOUR Enter the function Menu 1 Within the Hour function select with UP or DOWN the interested label CO1H CO2H CO3H CO4H CO6H EP1H EP2H CP1H CP2H 2 Push the SET keys for 3seconds the top display shows the running hours blinking value then it shows 0 to confirm the reset The next load label is automatically loaded To exit the Hour function push MENU key or wait the timeout 17 14 READ OUT OF THE COMPRESSOR STARTS UP For each compressor is possible to show the number of starts up COSn FUNCTION number of starts up of the compressor Label involved in COSn function C18 number of compressor 1 starts up C6S number of compressor 6 starts up The labels are displayed only if the corresponding output is present and configured The number of starts up is displayed on the top disp
109. ion Ar 13 Boiler function OzNot enabled 0 2 1 Enabled for integration heating 2 Enabled for heating Ar 14 External air temperaure setpoint for boiler heaters on 30 0 70 0 C Dec 22 158 F int Ar 15 Temperature differential for boiler heaters off 0 25 0 C Dec 0 45 F int Ar 16 Time delay before turning the boiler on 0 250 Min Boiler function in Chiller mode Ar 17 Setpoint for boiler heaters on in chiller 30 0 70 0 C Dec 22 158 F int Ar 18 Proportional band for boiler heaters in chiller 30 0 70 0 C Dec 22 158 aF int Boiler function in heat pump Ar 19 Setpoint for boiler heaters on in HP 30 0 70 0 C Dec 22 158 F int Ar 20 Proportional band for boiler heaters in HP 0 1 25 0 C Dec 0 45 F int Ar 21 External air setpoint to stop the compressor as integration function 30 0 70 0 C Dec 22 158 F int Ar 22 External air differential to stop the compressor as integration function 0 1 25 0 C Dec 0 45 int Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Defrost Parameter Description min udm Risoluzione dF1 Defrost configuration 0 Not enabled 1 Temperature pressure 0 3 2 Time duration 3 External contact dF 2 Temperature or pressure of the defrost start up 30 0 70 0 C Dec 22 158 F int 0 0 50 0 bar Dec 0 725 psi Int dF 3 Temperature or pressure of the defrost stop 30 0 70 0 C Dec 22 158 F int 0 0 50 0 bar Dec 0 725 psi Int dF 4 Minimum defrost duration 0
110. ion can be selected from o 1 to c62 that allows to set an analogue input as digital input see polarity of the digital input outputs 8 2 ANALOG INPUT CONFIGURATION PB3 PB4 PB5 PB6 Parameter involved CF10 Configuration PB3 CF11 Configuration PB4 CF12 Configuration PB5 CF13 Configuration PB6 Not enabled Temperature probe PTC for compressor 1 discharge Temperature probe PTC for compressor 2 discharge Temperature probe PTC for compressor 3 discharge Temperature probe PTC for compressor 4 discharge Temperature probe PTC for compressor 5 discharge Temperature probe PTC for compressor 6 discharge Temperature probe NTC for evaporator inlet Temperature probe NTC for evaporator outlet 1 Temperature probe NTC for evaporator outlet 2 10 Temperature probe NTC for common evaporator outlet 11 Temperature probe NTC for common hot water condenser recovery inlet 12 Temperature probe NTC for hot water condenser recovery inlet circuit 1 13 Temperature probe NTC for hot water condenser recovery inlet circuit 2 14 Temperature probe NTC for hot water condenser recovery outlet circuit 1 15 Temperature probe NTC for hot water condenser recovery outlet circuit 2 16 Temperature probe NTC for hot water condenser recovery common outlet circuit 17 Temperature probe NTC for free cooling water inlet 18 Temperature probe NTC for free cooling external air 19 Temperature probe NTC for external air dynamic setpoint boile
111. ion is enabled when the digital input of the running pump becomes active That pump is turned off while the other is forced on If only one digital input is configured as condenser water pump alarm or only as condenser water pump alarm the active digital input alarm stops the corresponding pump During the defrost and when the compressor is off in dripping time the pump is on PARAMETERS CO26 CO31 are the set of the running hour counters of the compressors They establish for each load the number of running hours limit to display a maintenance message If one of these parameters is equal to 0 the maintenance signalling is disabled but the running hours counter remains active 36 1 COMPRESSOR MAINTENANCE RESQUESTS Label description ACP1 maintenance comp 1 ACP6 maintenance comp 6 Activation Compressor running hours gt counter setpoint for that compressor Reset Running hour reset Hour label in Menu function Restart Manual Icon ZN blinking Actions Alarm relay and buzzer activated REGULATIONS Actions Only signalling Loads Not modified The parameters CO32 CO33 define the hour set counters for the evaporator water pump Support evaporator water pump Supply fan They establish the load running hours limit of the pump s or the supply fan to give a maintenance signalling If one of these parameters is equal to 0 the maintenance signalling of that load is disabled but the running hours
112. is delay if the decreasing temperature is still within the rCO6 rC07 range the recovery cycle is forced on again 41 MESSAGES ALARM CODES the alarm codes are defined by letters and numbers Alarm typology e A alarm of the unit b alarm of the circuit C alarm of the compressor 41 1 AP1 AP2 AP3 AP4 AP5 AP6 AP7 AP8 AP9 AP10 PROBE FAILURE Label on display AP1 PB1 probe alarm AP10 PB10 probe alarm Reason Probe configured but the read out is not in the range Reset Probe not configured or probe in the right range Restart Automatic Icon blinking Action Alarm Relay and buzzer on 41 2 AEFL EVAPORATOR FLOW ALARM DIFFERENTIAL PRESSURE SWITCH Label o the display AEFL evaporator flow alarm Origin Available only for air water water water units Digital input active for the time set in AL15 after the water pump is on and after the digital input itself is activated for the time set in AL17 Reset Digital input not active for the time AL 18 Restart Automatic Manual after AL16 events per hours Reset procedure in Menu function Icon Blinking Flow Action Alarm Relay and buzzer on only during normal running conditions 41 3 ACFL CONDENSER FLOW ALARM DIFFERENTIAL PRESSURE SWITCH Label o the display ACFL condenser flow alarm Origin Available only for air water water water units Digital input active for the time set in A
113. is not detected within the AL19 time delay after the on compressor Reset When the digital input is not active Restart Manual after AL20 events hour to reset the alarm enter the function menu under cOtr Icon Blinking N Action Alarm relay buzzer ON Compressor involved If AL47 0 or 1 OFF Compressor not involved If AL47 0 it follows its regulation If AL47 1 OFF ATTENTION Pg 88 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary The parameter AL47 determines the functioning of the overload alarm of the compressors If AL47 0 single compressor locked when its digital input protection is active on the display the corresponding alarm message If AL47 1 all the circuit of the compressor is locked when one digital input protection is active on the display the corresponding alarm message 41 29 B1DF B2DF DEFROST ALARM Label o the display b1dF Defrost alarm of the circuit 1 b2dF Defrost alarm of the circuit 2 Origin Only in defrost if DF01 1 3 defrost en temperature pressure or external contact when the defrost ends after the DF05 timeout Reset Stand by or remote ON OFF Next defrost ends for temperature pressure Restart Automatic if next defrost ends for temperature pressure otherwise manual Icon Blinking N Action Alarm relay buzzer OFF 41 30 B1Cu B2CU UNLOADING DISABLED FROM HIGH CONDENSING TEMPERATURE P
114. is the NTC probe value of the evaporator water inlet Parameter dP01 02 The default read out for the circuit 1 is the evaporator outlet 1 temperature while for the circuit 2 is the evaporator 2 outlet temperature BOTTOM DISPLAY CUSTOM EXAMPLE Parameter dP02 03 The default read out for the circuit 1 and the circuit 2 is the NTC probe value of the evaporator water outlet Parameter dP02 14 The default read out for the circuit 1 is the condenser 1 temperature while for the circuit 2 is the condenser 2 temperature 15 3 FORCED READ OUT OF THE TOP AND BOTTOM DISPLAY To force the display read out 1 Setthe parameter not equal to 0 2 Select the value range 1 3 These configurations allow to show together two temperatures or two pressures of the same circuit in order to have an easier reading of the measurements Par dP03 1 Top display for both the circuits 1 2 Evaporator water inlet with the Ein label Bottom display circuit 1 Evaporator 1 water outlet with the label OuT1 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Bottom display circuit 2 Evaporator 2 water outlet with the label OuT2 Par dP03 2 Top display of the circuit 1 Condenser 1 water inlet temperature with the label CIn1 Bottom display of the circuit 1 e Condenser 1water outlet with the label COu1 Top display of the circuit 2 Condenser 2 water inlet temperature with the label Cin2 Bottom di
115. k together for the time set in this parameter If CO24 0 the rotation is immediate and CO20 is not counted ATTENTION The CO17 CO18 values on and off delay between compressors and pumps are calculated also for the pump group 33 2 EVAPORATOR WATER PUMP ROTATION THROUGH DIGITAL INPUT CONTROL With two digital inputs configured as overload alarm of water pump and support pump the rotation is enabled when the digital input of the running pump becomes active That pump is turned off while the other is forced on If the digital inputs are configured as evaporator water pump alarm and condenser water pump alarm the active digital input alarm stops the corresponding pump Note During the defrost and when the compressor is off in dripping time the pump is on 33 3 Hor START FA25 Hot start Setpoint Low temperature value of PB2 to stop the supply fan This function is available only with air air unit configured as heat pump and allows to run the supply fan only when the air temperature is enough hot FA26 Hot start differential Temperature differential of the hot start function 34 WATER PUMP OF THE CONDENSER 34 1 CONDENSER WATER PUMP CONTROL If one relay is configured as condenser water pump the CO24 CO25 parameter values do not affect the pump functioning Water pump regulation Operative mode of the condenser water pump parameter CO21 CO21 0 Not enabled pump not controlled 21 1 Continuous control The water pump is
116. l output 2 0 Not enabled 1 Free cooling Dumper Mixing valve 2 3 way valve for hot water 3 Dumper for air change 4 auxiliary output Relay driver ON OFF 01 c22 CF 72 Proportional output 3 0 Not enabled 1 Free cooling Dumper Mixing valve 2 3 way valve for hot water 3 Dumper for air change 4 auxiliary output Relay driver ON OFF 01 c22 CF 73 Proportional output 4 0 Not enabled 1 Free cooling Dumper Mixing valve 2 3 way valve for hot water 3 Dumper for air change 4 auxiliary output Relay driver ON OFF 01 c22 Terminale remoto CF 74 Remote Panel 1 configuration 0 Not enabled 1 6 keys 2 6 keys and NTC ambient temperature sensor 3 8 keys 4 8 keys and NTC ambient temperature sensor CF 75 Remote Panel 2 configuration 0 Not enabled 1 6 keys 2 6 keys and NTC ambient temperature sensor 3 8 keys 4 8 keys and NTC ambient temperature sensor CF 76 Offset of the NTC probe of the remote terminal 1 12 0 10 12 0 53 C F Dec int CF 77 Offset of the NTC probe of the remote terminal 2 12 0 10 12 0 53 C Dec int Icon function CF 78 Icon function 0 chiller heat pump 1 chiller heat pump Chiller heat pump selection mode CF 79 0 from keyboard 1 from digital input 2 from analogue input Automatic Change over CF 80 Change over setpoint
117. lay buzzer ON 41 25 C1HP C2HP C3HP CAHP C5HP C6HP COMPRESSOR HIGH PRESSURE ALARMS Label o the display C1HP compressor high pressure alarm 1 C6HP compressor high pressure alarm 6 Origin The unit is running and the digital input of the compressor high pressure switch is active Reset Digital input not active Restart Manual Reset procedure in Menu function Icon blinking ZN Action Alarm Relay and buzzer on 41 26 C10P C20P COMPRESSOR OIL C30P C40P C50P C60P PRESSURE SWITCH ALARM Label o the display Compressor pressure switch 1 C6oP Compressor pressure switch 6 Origin The alarm is not signalled during the ALO1 delay after turning on the compressor during the AL12 delay that starts after the AL11 delay when the unit is properly running Reset Digital input not active Restart Automatic Manual after AL013 events per hour Reset procedure in Menu function Icon Blinking AN Action Alarm Relay and buzzer on OIL ALARM FROM PRESSURESTAT SWITCH OR OIL LEVEL SWITCH screw Occasionally it is possible to find both the safety systems the delay the active input duration and the number of events per hour allow to set up both the protections Par AL11 Oil alarm delay after on c It allows to set a time delay before s ompressor ignalling the oil or the oil level switch alarms after the on compressor Par AL12
118. lay the resolution is x 10 eg 2 means 20 starts 20 means 200starts Enter the function Menu 1 Use the UP or DOWN keys to select COSn 2 Push SET one time the label of the first load C1S is showed on the top display the bottom display shows the number x10 3 With UP or DOWN scroll the compressor list 4 Toexit the Hour function push MENU key or wait the timeout 17 15 RESET THE STARTS UP NUMBER Enter the function Menu 1 Within the Hour function select with UP or DOWN the interested label CS1 CS2 CS3 C84 CS6 2 Push the SET keys for 3seconds the top display shows the running hours blinking value then it shows 0 to confirm the reset The next load label is automatically loaded 3 To exit the Hour function push MENU key or wait the timeout 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 17 16 READ OUT OF THE PROPORTIONAL OUTPUT PERCENTAGE OF THE CONDENSER FAN CONTROL The proportional outputs of the two circuits that control the fan speed can be showed in the menu function Cond FUNCTION selects the proportional output 1 and 2 Label involved in Cond function Cnd1 Proportional output status of the condenser fan of the circuit 1 Cnd2 Proportional output status of the condenser fan of the circuit 2 TO SEE THE OUTPUT PERCENTAGE Enter the function menu 1 Use the UP or DOWN keys to select Cond 2 Push SET key the bottom display shows Cnd1 the top display shows the output percentage 3
119. lve one of the step depending on the time running hours is turned off for the time set in rC02 After rC02 the recovery valve is turned on Then after the rC03 time this delay keeps off all the other steps after the recovery is started the resource forced off if necessary is turned on again RECOVERY STOP OF THE TWO CIRCUITS WITH ALL THE CAPACITY STEPS ACTIVATED When the system is running with 10096 eg all the three compressor of a circuit are on of power and the digital input stop the recovery function after the rC04 time delay minimum on time of the recovery function when activated and before turning off the recovery valve one of the step is turned off for the time set in rC02 When the delay is expired the unit turns off the recovery valve and and the regulation restarts with its normal running condition ATTENTION For both the circuits when the compressor are off because of the thermoregulation and the digital input of the recovery function is active the recovery valve is disabled 39 2 UNIT WITH Two IDRAULIC CIRCUIT WORKING IN PARALLEL FUNCTIONING Par rC01 2 unit with two circuits working in parallel The recovery function from the digital inputs is divided in two steps UNIT WITH ONE CIRCUIT RUNNING If the recovery function is enabled and if the condenser temperature pressure condition are whithin the limits that circuit starts the recovery when one of the digital inputs is activated With active digital input the recovery v
120. me at the end of the defrost ATTENTION The heaters of the boiler are always off when e Active flow alarm e Active overload alarm of the configured water pump e Active overload alarm of one of the two water pumps configured and any of the water pumps available for the water flow control In this case the heaters are activated only by the anti freeze setpoint to protect the evaporator 24 ANTI FREEZE ALARM AND HEATERS REGULATION THROUGH DIGITAL INPUT The anti freeze alarm and the heaters regulation of the 1 circuit is managed by the digital input configured as anti freeze alarm circuit 1 The anti freeze alarm and the heaters regulation of the 2 circuit is managed by the digital input configured as anti freeze alarm circuit 2 ATTENTION The output of the 1 circuit can not be managed by the digital input of the 2 circuit and viceversa The regulation outputs of th1 1 and 2 circuit can be regulated together by a single digital input configured as anti freeze circuit 1 or circui 2 In this case with active alarm of the common digital input the display will show both the antifreeze alarm messages 25 THERMOREGULATION AND COMPRESSORS ROTATION The CO14 parameter determines the compressor on and off sequence CO14 0 Sequential Depending on the thermoregulation the 1 compressor is turned on then the 2 and the 3 etc then the 3 off the 2 and then 1st The first is off only if the 2 and 3 are off 14 1 Rot
121. minary CO 25 Time to make run the pumps together before rotating from one to the other 0 250 S ec See water pump group function Load maintenance CO 26 Compressor 1 hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 27 Compressor 2 hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 28 Compressor 3 hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 29 Compressor 4 hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 30 Compressor 5 hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 31 Compressor 6 hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 32 Evaporator pump Supply fan hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 33 2 Evaporator pump hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 34 Condenser pump hour counter set See maintenance request 0 999 10 Hr 10 Hr CO 35 2 Condenser pump hour counter set See maintenance request 0 999 10 Hr 10 Hr Pump down CO 36 Pump down operating mode See pump down ON OFF function 0 Not enabled 1 Unit off with pump down unit on without pump down 0 4 2 Unit off with pump down unit on with pump down 3 Chiller mode off with pump down chiller mode on without pump down 4 Chiller mode off with pump down chiller mode on with pump down CO 37 Pump down pressure setpoint See pump down ON OFF function 0 50 0 Bar Dec 0 725 psi int CO 38 Pump down pressure differe
122. mode if there are at least 2 steps of power two compressor or 1 compressor with partialization per circuit It is used to run the unit with high temperature of the evaporator water inlet such as during the hot summer to avoid a possible high pressure alarm event The function si managed through an analogue input configured as NTC evaporator water inlet 30 2 UNLOADING DESCRIPTION UNLOADING ACTIVATION 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary When the thermoregulation request begins to start the compressors in chiller mode if the evaporator water inlet is equal or bigger than the CO40 setpoint for the CO42 time When the unloading is active the display shows the AEUn blinking message alternated with the selected display measurement the unit will start with the loads selected with the CO49 parameter EXAMPLE Unit with 2 circuits with 3 compressors each circuit If Par CO49 2 2 power steps per circuit in case of unloading there will be 4 compressor running UNLOAD DEACTIVATION If the temperature decreases under the value determined by CO40 CO41 setpoint differential the unloading is disengaged the compressors are all available for the thermoregulation 30 3 UNLOADING INFORMATION If the temperature does not decrease enough to reach the CO40 CO41 value under the CO40 setpoint the CO43 unloading timeout will start counting and when expired the unit will force the unloading off 30 4 UNLOADING WI
123. mum fan speed 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int FA 14 CUT OFF time delay To set a time delay before activating the CUT OFF function after the fan start up If after the compressor start up the proportional regulator requires to turn off 0 250 Sec the fan cut off FA140 the fan is on at the minimum speed for the time set in this parameter If FA14 0 the function is disabled FA 15 Night speed in chiller To set the maximum fan speed percentage value 30 100 30 100 it is related to the fan power supply Fan in Heat pump mode FA 16 Minimum speed for condenser fan in Heat Pump mode To set the minimum fan speed percentage value 30 100 it is related to 30 100 96 the fan power supply FA 17 Maximum speed for condenser fan in Heat Pump mode To set the maximum fan speed percentage value 30 100 it is related to 30 100 96 the fan power supply FA 18 Temperature or pressure limit to enable the minimum speed FA17 30 0 70 0 C Dec 22 158 SF int 0 0 50 0 Bar Dec 0 725 Psi int FA 19 Temperature or pressure limit to enable the maximum speed FA17 30 0 70 0 C Dec 22 158 int 0 0 50 0 Bar Dec 0 725 Psi int FA 20 Proportional band for condenser fan control in Heat pump 0 0 25 0 C Dec To set the temperature pressure differential between the minimum and the 0 45 F int maximum of the fan speed regulation 0 0 14 0 Bar Dec 0 203 Psi int FA 21 CUT OFF differential in Heat pump To set a temperature pressure diffe
124. n is made with parameters uS02 for the circuit 1 and uS06 for the circuit 2 The function is enabled when the parameter uS01 lt gt 0 for the circuit 1 and the parameter uS05 lt gt 0 for the circuit 2 and at least one output is configured as auxiliary output Par uS01 configuration auxiliary relay 1 uS05 configuration auxiliary relay 2 Value and function 0 Not enabled 1 Function enabled direct action also during stand by or remote off 2 Function enabled direct action only with unit running 3 Function enabled inverse action also during stand by or remote off 4 Function enabled inverse action only with unit running 20 1 AUXILIARY RELAY WITH DIRECT ACTION RELAY Relay ON Relay OFF PBr Set Set diff When PBr lt set relay ON Pbr gt set differential relay OFF Set lt PBr lt set differential previous status PBr NTC probe or transducer selected by the parameters uS02 uS06 20 2 AUXILIARY RELAY WITH INVERSE ACTION RELAY Relay ON Relay OFF PBr Set diff Set When PBr gt set relay ON Pbr set differential relay OFF Set differential lt PBr lt set previous status PBr NTC probe or transducer selected by the parameters uS02 uS06 If PBr SET relay ON Pbr SET differential Relay OFF Pg 58 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Set differential lt of PBr lt SET previous state PBr NTC probe or t
125. n the thermoregulation is going to stop before turning off the last compressor the solenoid valve is closed The compressor runs until the pump down pressure switch connected to the digital input becomes active for a maximum time set in CO39 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary If the last compressor stops before the pump down pressure switch because of the CO39 time out maximum compressor on time after turning off the P D solenoid valve the ICHILL calculates the AL21 parameter maximum number of pump down alarm per hour and if an alarm occurs the display will show the alarm code the buzzer and the alarm relay will be on If the thermoregulation is stopped via digital input as remote off or from chiller heat pump keys during the pump down process the chiller or the heat pump led will blink When the next thermoregulation restarts the PD solenoid valve turns on and after 1 seconds if the low pressure switch is not active the compressors start For any compressor alarm events occur the procedure is stopped and the compressor will be stopped PAR CO36 2 ON OFF WITH PUMP DOWN The function is enabled if one relay output is configured as pump down solenoid valve for circuit 1 and 2 and one digital input as pump down pressure switch of the circuit 1 and 2 CO36 2 or 4 are related to a pressure switch dedicated to this function or the pressure transducer When the thermoregulation is going to stop before t
126. nal outputs for condensing fan speed control inverter or phase cut with configurable signal e PWM e 0D0 10Volt e 4 20mA Four proportional control outputs 0 10V or ON OFF e Tocontrol the dumper in free cooling or recovery e To control an external relay Complete alarm management Internal Data logger up to 100 events Supervisor tele assistance monitoring e TTL output for XJ485 interface Mod Bus protocol for XWEB300 XWEB3000 Dixell monitoring system for local and remote control Up to 2 remote terminals with display read out customizable e With NTC ambient temperature probe 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 3 IC200 L TABLE OF THE FEATURES FEATURES IC260L IC261L IC280L IC281L CHILLER WITH HEAT PUMP CHILLER WITH HEAT PUMP FREE COOLING AND HEATING RECOVERY FRONTPANEL KEY BUTTONS 6 8 OUTPUT RELAYS 10 14 DIGITAL INPUTS 18 configurable configurable configurable configurable PROBE INPUTS NTC PTC 4 20mA 0 5Volt configurable configurable configurable configurable PROPORTIONAL OUTPUTS Two PWM outputs for condensing fan Two 0 10V o 4 20mA for condensing fan configurable configurable configurable configurable Four 0 10V outputs for Free cooling and Heating recovery or to drive an external relay configurable configurable configurable
127. nding on the condensing temperature pressure Par FA01 3 Par FA02 0 Fans on with proportional regulation PWM 4 20mA 0 10V and with temperature pressure transducer control only when the compressor is on When the compressor turns off also the fans are forced off Par FA01 3 Par FA02 2 Fans on with proportional regulation PWM 4 20mA 0 10V and with temperature pressure transducer control only when the compressor is on When the compressor turns off the fans are thermoregulated depending on the condensing temperature pressure 37 1 PWM OUTPUT FOR FAN CONTROL If FA01 3 and the fan control boards are connected to the PWM outputs TF1 and2 take note of the FA03 FA04 parameters The fan start up is always made at the maximum speed for the time set in FA03 then the speed follows the probe value The F04 delay in micro seconds allows to adjust the output for each kind of the fan motor If FA01 3 when the compressor starts up and the proportional regulation requires to turn off the fan cut off if FA14z0 the fan is forced at the minimum speed for the time set in FA14 itself if FA14 0 the function is disabled 37 2 CONDENSING UNIT COMMON OR SEPARATE FA05 defines the condenser unit Par FAO05 type of condenser 0 Common condenser unit 1 Separate condenser units If Pa FAO5 0 the outputs configured as condensing fan control will follow the same regulation algorithm The regulation includes CHILLE
128. nser fan ON OFF control of the circuit 1 11 Condenser fan ON OFF control of the circuit 2 12 Solenoid valve of the pump down circuit 1 13 Solenoid valve of the pump down circuit 2 14 Recovery valve circuit 1 15 Recovery valve circuit 2 16 Free cooling ON OFF valve 17 Auxiliary output circuit 1 18 Auxiliary output circuit 2 19 Pulse valve for screw compressor 1 20 Solenoid valve Intermittent for screw compressor 2 21 Solenoid valve of the liquid injection for compressor 1 22 Solenoid valve of the liquid injection for compressor 2 23 Direct start up compressor 1 relay PW start relay PW 1 of the compressor 1 Star delta start relay line 1 of the compressor 1 24 PW start relay PW 2 of the compressor 1 Star delta start relay linea 2 compressor 1 25 Star centre of the Star delta start of the compressor 1 26 Capacity step valve 1 compressor 1 27 Capacity step valve 2 compressor 1 28 Capacity step valve 3 compressor 1 29 By pass gas valve compressor 1start 30 Direct start compressor 2 start PW start relay 1 of the compressor 2 Star delta start relay line 1 of the compressor 2 OONAARONAROS Pg 26 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 31 PW start relay PW 2 of the compressor 2 Star delta start relay line 2 of the compressor 2 32 Star centre of the Star delta start of the compressor 2 33 Capacity step valve 1 compressor 2 34 Capacity step v
129. nti freeze alarm signalling of the circuit 1 in heat pump b2Ah anti freeze alarm signalling of the circuit 2 in heat pump Both the labels are displayed when the alarm is coming from the evaporator inlet probe or evaporator common outlet probe or when there is only one digital input configured Origin Normal conditions stand by remote OFF when the anti freeze probe value is lower than AL33 for AL36 seconds With the anti freeze digital input is active Pg 86 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Reset When the anti freeze probe value is higher than AL33 AL34 differenziale With digital input ont active Restart Automatic Manual after AL37 events per hour Reset procedure in Menu function Icon Blinking AN Action If AL38 0 only the compressors are turned off and than display shows b1Ah b2Ah the buzzer and the alarm relay are not activated If AL38 0 only the compressors are turned off and than display shows b1AH b2AH the buzzer and the alarm relay are activated If the alarm comes from the digital input also the anti freeze heaters are turned on Attention Par AL35 anti freeze alarm delay low outlet air temperature air air unit when the unit starts in heat pump mode In stand by or remote OFF there is an anti freeze alarm and the time delay in AL35 lt gt 0 if the unit is manually turned on in heat pump from keyboard or remote inpu
130. ntial See pump down ON OFF function 0 14 0 Bar Dec 0 203 psi int CO 39 Maximum pump down time duration at start up and stop See pump down 0 250 Sec ON OFF function Evaporator Unloading CO 40 Unloading compressor setpoint in chiller From high temperature of the 0 50 0 Bar Dec evaporator water inlet See unloading function 0 725 Si int CO 41 Unloading Differential From high temperature of the evaporator water inlet 0 0 14 0 Bar Dec See unloading function 0 203 Psi int CO 42 Delay time to engage the Unloading function from high temperature of the 0 250 Sec 10sec evaporator water inlet See unloading function CO 43 Maximum unloading duration time to keep activated the Unloading function 0 250 Min from high temperature of the evaporator water inlet See unloading function Condenser Unloading CO 44 Unloading compressor setpoint From temperature pressure in chiller mode 0 50 0 Bar Dec See unloading function 0 725 psi int CO 45 Unloading Differential From temperature pressure in chiller mode See 0 0 14 0 Bar Dec unloading function 0 203 Psi int CO 46 Unloading compressor setpoint From temperature pressure in HP mode 0 50 0 Bar Dec See unloading function 0 725 psi int CO 47 Unloading Differential From temperature pressure in HP mode See 0 0 14 0 Bar Dec unloading function 0 203 Psi int CO 48 Maximum unloading duration time from temperature pressure control 0 250 Min CO 49 Number of steps for circuit with
131. nual reset procedure in function menu Icona Blinking N Action Alarm relay buzzer ON 41 6 ATC1 ATC2 CONDENSER RECOVERY PUMP OVERLOAD ALARM Label o the display AtC1 overload pump alarm of condenser 1 AtC2 overload pump alarm of support condenser 2 Origin Active ID when it is configured as overload pump of condenser 1 Active ID when it is configured as overload pump of condenser 2 Reset With active digital input Restart Manual reset procedure in function menu 1592015300 User manual iCHILL 200 L GB Icona 1 0 23 02 2005 Preliminary Blinking N Action Alarm relay buzzer ON 41 7 AEE EEPROM ALAR Label o the display AEE Origin Wrong eeprom data em Restart Manual Icona Blinking N Action Alarm relay buzzer ON 41 8 AFR POWER SUPPLY FREQUENCY ALARM Label on the display AFr Line frequency alarm Origin The power supply frequency is not equal to the Par CF81 tolerance Reset Ferquency control parameter adjusted disabled CF81 2 frequency within the tolerance Restart Automatic Icona Blinking N Action Alarm relay buzzer ON 41 9 ALOC GENERIC ALARM WITH STOP REGULATION Label on the display ALOC generic alarm from digital input with stop regulation Origin Digital input configured as generic alarm with stop regulation active a
132. nverter between the RS485 and the TTL connector output The RS485 uses two terminals and that must be connected respecting the polarity to build the serial line Use the CAB RS02 to connect the XJ485 interface to the TTL connector RS 485 OUTPUT WITH MODBUS RTU 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 14 REMOTE PANELS VI620 VI820 The instrument receives up to two remote panels Using the remote panels provided with the ambient NTC probe the display measurement and the control can be managed directly by this probe Use shielded cable for the connection up to 150mt maximum In case of communication failure the upper display shows noL no link Use the CAB CJ30 to interface the ichill connector to the shielded cable Remote panel VI620 for models IC260L IC261L Remote panel VI820 for models 200 L IC280L IC281L TIL HOTKEY Remote panel n 2 Address 8 ANALOG AND DIGITAL OUTPUT CONFIGURATION 8 1 ANALOG INPUT PB1 PB2 PB7 PB8 PB9 PB10 Parameters involved CF08 Configuration PB1 CF09 Configuration PB2 CF14 Configuration PB7 CF15 Configuration PB8 CF16 Configuration PB9 CF17 Configuration PB10 Not enabled Temperature probe PTC for compressor 1 discharge Temperature probe PTC for compressor 2 discharge Temperature probe PTC for compressor 3 discharge Temperature probe PTC for compressor 4 discharge Temperature prob
133. or 1 motocondensing unit 48 Request partialization 3 of compressor 1 motocondensing unit 49 Request compressor 2 50 Request partialization 1 of compressor 2 motocondensing unit 51 Request partialization 2 of compressor 2 motocondensing unit 52 Request partialization 3 of compressor 2 motocondensing unit 53 Request compressor 3 54 Request partialization 1 of compressor motocondensing unit 55 Request partialization 2 of compressor motocondensing unit 56 Request partialization 3 of compressor motocondensing unit 57 Request compressor 4 58 Request partialization 1 of compressor 4 motocondensing unit 59 Request partialization 2 of compressor 4 motocondensing unit 60 Request partialization of compressor 4 motocondensing unit 61 Request compressor 5 motocondensing unit 62 Request compressor 6 motocondensing unit 8 4 DIGITAL OUTPUT RELAY CONFIGURATION RL1 RL 14 Parameter involved CF54z Configuration RL1 CF67 Configuration RL14 Not enabled Alarm Evaporator water pump Supply fan Support water pump of the evaporator Anti freeze heater integration heating boiler circuit 1 Anti freeze heater integration heating boiler circuit 2 Water pump of the condenser recovery circuit Support water pump of the condenser recovery circuit 4 way valve for chiller heat pump inversion of the circuit 1 4 way valve for chiller heat pump inversion of the circuit 2 10 Conde
134. own process is inhibited and the solenoid valve works in parallel with the compressor 29 3 PuMP DOWN FUNCTION WITH DEDICATED PRESSURE PROBE PAR CO36 1 STOP UNIT with PUMP DOWN No PUMP DOWN at START UP The function is enabled if one relay output is configured as pump down solenoid valve for circuit 1 and 2 and one analogue input as low pressure probe of the circuit 1 and 2 When the thermoregulation is going to stop before turning off the last compressor the solenoid valve is closed The compressor runs until the pump down pressure connected to the analogue input reaches the set value in CO37 If the last compressor stops before the pump down set value because of the CO39 time out maximum compressor on time after turning off the P D solenoid valve the ICHILL calculates the AL21 parameter maximum number of pump down alarm per hour and if an alarm occurs the display will show the alarm code the buzzer and the alarm relay will be on If the thermoregulation is stopped via digital input as remote off or from chiller heat pump keys during the pump down process the chiller or the heat pump led will blink When the next thermoregulation restarts the PD solenoid valve turns on and after 1 seconds if the low pressure switch is not active the compressors start For any compressor alarm events occur the procedure is stopped and the compressor will be stopped PAR 5 2 UNIT START STOP with PUMP DOWN The function is enabled if on
135. p diplay shows the setpoint that the unit is really using for the thermoregulation ATTENTION The SEtr label appears only if the Energy saving or the Dynamic Setpoint are active To modify the working setpoint it is necessary the setpoint values is displayed on both the display temperature temperature or temperature pressure o pressure pressure without any identification label otherwise the SET key swaps to the circuit information Pg 50 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 16 4 DISPLAY IN REMOTE OFF From digital input configured as remote ON OFF the active input sets the unit in OFF even when the unit is a motocondensing unit The top display shows OFF the led of the decimal point is blinking 16 5 DISPLAY IN MOTOCONDENSING CONFIGURATION The top display shows ON for active input and OFF for not active input If the unit is running in Chiller the top display shows OnC otherwise OnH for heat pump The configuration for motocondensing as for chiller or HP allows to show through the top and the bottom display all the detected input measurements and alarms 17 FUNCTION MENU M KEY The function Menu is composed of the following items 1 Show and reset the alarms ALrM Compressor overload alarm reset COtr Show and reset the alarm log ALOG Upload the parameter into the Hot Key UPL Enable disable one or the two circuits CrEn Enable disable one of
136. played the digital input active function will disable the last running compressor A possible low pressure alarm could appear only if the digital input is still active after the ALO2 time If the last compressor stops before the low pressure switch because of the CO39 time out maximum compressor on time after turning off the P D solenoid valve the ICHILL calculates the AL21 parameter maximum number of pump down alarm per hour and if an alarm occurs the display will show the alarm code the buzzer and the alarm relay will be on If the thermoregulation is stopped via digital input as remote off or from chiller heat pump keys during the pump down process the chiller or the heat pump led will blink When the next thermoregulation restarts the PD solenoid valve turns on and after 1 seconds if the low pressure switch is not active the compressors start For any compressor alarm events occur the procedure is stopped and the compressor will be stopped CO36 3 OFF UNIT WITH PUMP DOWN CHILLER MODE No PUMP DOWN at START UP In Heat pump mode the Pump down process is inhibited and the solenoid valve works in parallel with the compressor 29 2 Pump DOWN WITH DEDICATED PRESSURE SWITCH PAR CO36 1 OFF UNIT WITH PUMP DOWN No PUMP DOWN at START UP The function is enabled if one relay output is configured as pump down solenoid valve for circuit 1 and 2 and one digital input as pump down pressure switch of the circuit 1 and 2 Whe
137. power 27 4 PART WINDING This algorithm allows to reduce the start up current when using hermetic or semi hermetic compressors or medium big screw compressors Each compressor needs two relay outputs One is the PW motor coil 1 of the compressor One is the PW motor coil 2 of the compressor The time delay between the two outputs is determined by CO11 expressed in decimal of second in a range 0 5 seconds The maximum number of relay outputs is 8 this means 4 compressors with Part Winding start up EXAMPLE Part Winding configuration of the compressor relay outputs Set the Par CF54 21 PW motor coil 1 relay of the compressor 1 Set the Par CF55 22 PW motor coil 22 relay of the compressor 1 Pg 64 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 27 5 COMPRESSOR START UP WITH PART WINDING First is turned on the PW motor coil 1 of the compressor 1 relay K1 of fig2 after the CO11 delay it is turned on the second motor coil of the same compressor relay K2 of fig2 To turn off the compressor the two relay outputs are both turned off at the same time Fig 2 27 6 PART WINDING START UP OF COMPRESSORS OR CAPACITY COMPRESSORS If one or more capacity compressors are configured and the thermoregulation requires the full load start up the controller turns the solenoid valve on after 1 second the first motor part of the 1 compressor relay K1 of Fig 2 and then the complete control wi
138. pressor 1 and one analogue input is configured as discharge temperature of compressor 1 For compressor 2 one output relay is configured as solenoid valve compressor 2 and one analogue input is configured as discharge temperature of compressor 2 31 1 FUNCTIONNING When the compressor is off the solenoid valve output is always OFF When the compressor is on if the PTC temperature of the compressor discharge reaches CO51 setpoint the valve turns ON while if the temperature decreases under C51 CO52 set differential the valve turns off ATTENTION The display resolution is 0 1 C until the read out is 99 9 over 100 C it is 1 C 32 WATER PUMP OF THE EVAPORATOR SUPPLY FAN 32 1 WATER PUMP OF THE EVAPORATOR SUPPLY FAN AIR AIR With only one evaporator water pump configured the parameter CO19 CO20 values do not affect the water pump functioning itself The water pump regulation involves the following modes Operative modes of the parameter CO16 of evaporator pump Supply fan CO16 0 Not enabled water pump supply fan not managed Attention The air air unit configured with CO16 0 does not manage the output for integration heaters CO16 1 Continuous control The water pump supply fan are running only if the unit is running chiller heat pump After giving the start in chiller or heat pump mode the compressor regulation starts only after the time delay CO17 The water pump supply fan are turned off only when the unit i
139. programmed with the same value 18 3 RTC DAILY TIME TABLE PROGRAMMING This function can be also used to turn ON or OFF the unit Enter parameter programming 1 Select with UP or DOWN keys the ES parameter family 2 Within the ES parameters select with UP or DOWN keys the parameters 501 506 to determine the start and stop of the energy saving daily periods Example Set the energy saving start with ES01 and the energy saving stop time ES02 of the first period If ES01 8 0 ESO2 10 0 the energy saving setpoint is active from 8 to 10 If ES01 23 0 502 8 0 the energy saving setpoint is active from 23 11pm to 8 8 am in the morning of the next day If necessary repeat the operation for the others two time periods defined by 503 504 and ES05 ES06 18 4 ENERGY SAVING OR UNIT ON OFF ACTIVATION WITH RTC PROGRAMMING Enter the parameter programming 1 Select with UP or DOWN keys the ES parameter family 2 Within the ES parameters select with UP or DOWN keys the parameters 507 Monday ES13 Sunday to determine which days to include Configuration table Energy saving or unit ON OFF activation with rtc programming 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Par ES07 ES13 0 RTC not enabled 1 15 period enabled 2 2 period enabled 3 1 and 2 periods enabled 4 3 Period enabled 5 1 3 periods enabled 6 2 and 3 periods enabled 7 1 2 and 3 pe
140. pted if the compressor is turned off or if the temperature pressure is higher then dF02 dF10 Temperature setpoint to start a combined defrost of the circuit 1 It allows to set a temperature value to determines the beginning of a combined defrost After the 09 counting the NTC probe of the combined defrost of the circuit 1 is compared to the dF10 setpoint if the value is lower the defrost starts otherwise the unit runs in heat pump mode and when the temperature decreases under dF10 the defrost immediately starts dF11 Temperature setpoint to end a combined defrost of the circuit 1 It allows to set a temperature value to determine the end of a combined defrost When the NTC probe of the combined defrost of the circuit 1 becomes higher than dF10 setpoint the defrost cycle stops dF12 Temperature setpoint to start a combined defrost of the circuit 2 It allows to set a temperature value to determine the beginning of a combined defrost After the dF09 counting the NTC probe of the combined defrost of the circuit 2 is compared to the dF12 setpoint if the value is lower the defrost starts otherwise the unit runs in heat pump mode and when the temperature decreases under dF12 the defrost immediately starts dF13 Temperature setpoint to end a combined defrost of the circuit 2 It allows to set a temperature value to determine the end of a combined defrost When the NTC probe of the combined defrost of the circuit 2 becomes higher than dF13
141. r change over 20 Temperature probe NTC for combined defrost circuit 1 21 Temperature probe NTC for free cooling water inlet 2 22 Temperature probe NTC for auxiliary output 1 23 Temperature probe NTC for auxiliary output 2 24 Condenser probe circuit 1 temperature NTC pressure 4 20 mA ratio metric 0 5Volt 25 Condenser probe circuit 2 temperature NTC pressure 4 20 mA ratio metric 0 5Volt 26 Evaporator pressure probe circuit 1 pressure 4 20 mA ratio metric 0 5Volt 27 Evaporator pressure probe circuit 1 pressure 4 20 mA ratio metric 0 5Volt 28 Auxiliary output 1 pressure probe control 4 20 mA ratio metric 0 5Volt 29 Auxiliary output 2 pressure probe control 4 20 mA ratio metric 0 5Volt 30 Dynamic setpoint pressure probe 4 20 mA After the number 30 the display read out goes from o 1 to c62 that allows to set an analogue input as digital input see polarity input of digital inputs OANDABRWN O 8 3 DIGITAL INPUT CONFIGURATION ID1 1D18 Parameters involved CF36 Configuration ID1 CF53 Configuration ID18 Not enabled Remote ON OFF Remote chiller heat pump Flow switch Supply fan overload Flow switch of heated side Antifreeze heater circuit 1 Antifreeze heater circuit 2 High pressure switch circuit 1 High pressure switch circuit 2 Low pressure switch circuit 1 10 High pressure switch circuit 2 11 Compressor 1 high pressure 12 Compressor 2 high pressure 1
142. r is controlled throughout the NTC probe configured as evaporator water outlet circuit 1 or circuit 2 or evaporator water common outlet or if they are all configured by the first probe that goes below the setpoint 23 2 THERMOREGULATION OF THE HEATERS IN HEAT PUMP The Par Ar07 selects the probe s control for the anti freeze alarm and the relay outputs configured as anti freeze support boiler heaters for the circuits 1 and 2 in heat pump mode Par Ar07 z 0 the function is disabled Par Ar07 z 1 the thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 1 and 2 or both together is controlled only throughout the NTC probe configured as evaporator water inlet Par Ar07 2 the thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 1 is controlled with NTC probe configured as evaporator probe outlet of the circuit 1 The thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 2 is controlled with NTC probe configured as evaporator probe outlet of the circuit 2 ATTENTION It is not possible to control the heaters of the crcuit 1 with the probe of the circuit 2 and viceversa Par Ar07 z 3 the thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 1 and 2 is controlled throughout the NTC probes configured as evaporator water outlet circuit 1 circuit 2 and evaporator water common outlet or if they are all configured by the
143. r during the pump down Push one time Turn the heat pump on if the unit is on led is on The led is blinking if there is a power on delay or during the pump down Push one time enter the function Menu Push for 3 seconds To set RTC parameters if the RTC is inside Pushing one time during the programming To exit from a group of parameter Push one time Start the heating recovery of the chiller unit with recovery active the led is on COOCOO Push one time Start the free cooling of chiller unit with free cooling active the led is on Pg 14 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 4 5 KEY COMBINANTION ACTION FUNCTION Push for 3 seconds together Enter the programming In Pr3 level push SET and the push DOWN Select the parameter level visibility Pr1 2 Pr3 Push one time together Exit the programming Push 5 seconds heat pump with ok condition Manual defrost In Pr3 programming level Push SET In Pr3 defines if the parameter can be changed or not in the and then the MENU key other levels 4 6 LED ANDICONS ICON LED FUNCTION ON Auxiliary relay 1 active OFF Auxiliary relay 1 not active ON Auxiliary relay 2 active OFF Auxiliary relay 2 not active BLINKING Defrost delay counting active amp ON Defrost bti OFF Defrost end 1592015300 U
144. ransducer selected with uS02 uS06 parameters 21 COMPRESSOR THERMOREGULATION 21 1 THERMOREGULATION PARAMETER DESCRIPTION Par ST01 Chiller Setpoint It allows to set the chiller working temperature within the range ST02 ST03 Par ST02 Minimum setpoint limit in chiller The user can not program a setpoint value lower than ST02 the range is 30 C ST01 Par ST03 Maximum setpoint limit in chiller The user can not program a setpoint value higher than ST02 the range is ST01 70 C Par ST04 Heat pump setpoint It allows to set the Heat pump working temperature within the range ST05 ST06 Par ST05 Minimum setpoint limit in heat pump The user can not program a setpoint value lower than ST05 the range is 30 C ST04 Par ST06 Maximum setpoint limit in heat pump The user can not program a setpoint value higher than ST06 the range is ST01 70 C Par ST07 Regulation band width in chiller mode The configured resources are distributed inside the regulation band Example Unit configured with 2 circuits 3 compressors per circuit and thermoregulation controlled by the evaporator inlet NTC probe Chiller setpoint evaporator inlet water 12 C evaporator outlet water 7 C when the evaporator inlet water is 12 C all the compressor outputs are on while when the evaporator inlet water is 7 C all the compressors are OFF Thermoregulation parameters Par STO1 7 C Par ST07 5 C Functioning the regulation band ST07
145. rated ne relay is configured Too much compressors Intermittent valve when ON OFF time CO08 CO09 0 By pass gas when the by pass 0 Compressor Motor coil 2 center of the star with direct compressor start up e much step valve ACF7 Evaporator pump Enabled CO16 0 but the relay is not configured N Not enabled CO16 0 but the relay is configured Condenser pump Y Enabled CO21 0 but the relay is not configured Y Not enabled CO21 0 but the relay is configured ACF8 e Thermoregulation probe Y thermoregulation probe in chiller with STO9 in heat pump when enabled with ST10 is not properly configurated it does not exist or it is not a NTC ACF9 Recovery cycle enabled Par rC01 z 0 Y only some of these resources are configured condensing probe recovery digital input recovery relay or no outputd is configured 2 2 2 2 02 2 2 2 2 Programmazione errata Reset Programmazione corretta Riarmo Automatico Icona A lampeggiante Azione Rel allarme buzzer attivato 41 11 ARTF CLOCK FAILURE Label o the display ArtF clock failure Origin Clock chip failure Reset Change clock chipset Restart Manual in function menu Icona Blinking N Action Alarm relay buzzer ON Regulation Loads Not changed Energy saving Disabled if based on RTC Unit ON OFF Disabled if based on RTC Pg 84 103 1592015300 User manual iCHILL 20
146. ree accessible levels the user can show and modify both value and visibility of the parameters To ensure an easy navigation through the different levels the common parameters have been named and grouped under a family name The three levels of programming Pr1 User level Pr2 Maintenance level Pr3 OEM level ARONA 11 1 PASSWORD DEFAULT VALUES Password level Pr1 1 Password level Pr2 2 Password level Pr3 3 Under the function Menu to reset the Alarm Log or the Compressor Overload the password is 0 see parameter AL46 Each password can be changed the range is from 0 to 999 Each parameter has two level visibility and modify Therefore it can be configured as follow e The parameter can be showed and changed e The parameter be showed but not changed 11 2 ENTER THE PR1 PR2 PR3 PROGRAMMING LEVELS Pr1 LEVEL Push SET DOWN together for 3 seconds the top display shows the PAS label and the bottom display shows the Pr1 label The leds cir1 cir2 are blinking up and down leds to inform that you now are in PR1 programming level Pr2 LEVEL From the Pr1 level push the UP key for 2 seconds and the bottom display will show Pr2 The top display still shows PAS Pr3 LEVEL From the Pr2 level push the UP key for 2 seconds and the bottom display will show Pr3 The top display still shows PAS After selecting the level push the SET key and the top display will show the 0 blinking value where to insert
147. rential 0 0 25 0 C Dec to stop the fan 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int FA 22 Over ride CUT OFF in Heat pump To set a temperature pressure differential 0 0 25 0 C Dec to keep the minimum fan speed 0 45 F int 0 0 14 0 Bar Dec 0 203 Psi int FA 23 Night speed in Heat pump To set the maximum fan speed percentage value 30 100 30 100 it is related to the fan power supply Hot start FA 24 Hot start setpoint 30 0 70 0 C Dec 22 158 F int FA 25 Hot start differential 0 0 25 0 C Dec 0 45 F int Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Antifreeze heaters Integration heating boiler Parameter Description min max Risoluzione Ar1 Anti freeze heaters integration heating setpoint for air air unit in Chiller mode 30 0 70 0 Dec To set a temperature value below this value the anti freeze relay is activated 22 158 F int Ar 2 Regulation band for antifreeze in Chiller mode 04 25 0 C ues 0 45 F Ar 3 Set Anti freeze heaters integration heating setpoint for air air unit in HP mode 30 0 70 0 C Dec To set a temperature value below this value the anti freeze relay is activated 22 158 AE int Ar 4 Regulation band for antifreeze in HP mode 30 0 70 0 C Dec 22 158 F int Ar5 Antifreeze heaters integration heating in defrost 0 ON only with thermoregulation control 0 1 1 ON with thermoregulation and during the defrosting cycle Ar 6 Antifreeze alarm probe heate
148. riods enabled Energy saving or unit ON OFF where X with range 0 7 represents the energy saving with RTC and X Y where Y with range O 7 represents the unit on off Example of a daily programming Monday Enater parameter programming In the ES parameter family select the parameter ES07 the top display shows 0 0 Push SET key the top display shows 0 0 blinking with UP or DOWN keys select the corresponding function see next table Push SET to confirm Push SET UP to exit the programming or wait the programming timeout PON MONDAY X 0 Y 0 The energy saving and the unit on off are both disabled c T bar Flow 59 C 2L amp l A b B c 7 bar Flow 59 L 2L 2 WEEKLY PROGRAMMING Repeat the daily programming for the other days of the week using parameters ES08 ES13 Pg 56 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 19 DYNAMIC SETPOINT The dynamic setpoint allows to increase or decrease the setpoint with a proportional value determined by Sd01 chiller and Sd02 HP that depends from the 4 20mA analogue input or from the external air temperature probe This function allows to save energy or run the unit when the external ambient is not within the normal operative conditions The dynamic setpoint activation is signalled by the SET key led on When working in Chiller or HP the first pressure on SET key shows the actual setpoint SetC chiller or
149. rly critical condition the unit restarts working without the help of the maintenance personnel RESET e The Automatic Reset is activated when the next compressor thermoregulation is requested in this case the pressure condition of the pump down must be satisfied e The Manual Reset needs to enter the function Menu under the AIrM label After the reset the next thermoregulation restarts if the pump down pressure is in normal condition ATTENTION If the pump down function is enabled during the unit start up from digital input as pump down pressure switch and also from analogue input as low pressure transducer the compressor will restart only if both the inputs are satisfied 29 5 Pump DOWN ALARM DURING COMPRESSORS SWITCHING OFF ACTIVATION If within the time delay CO39 maximum pump down duration in off the low pressure switch or the pump down pressure switch is not active or the pump down setpoint is not reached the last compressor is switched off In this case after this timeout the instrument signals the FPd1 or 2 alarms in both cases when active the compressor is stopped The alarm can be e with Automatic Reset that is not logged the buzzer and alarm relay are not activated e with Manual Reset that is logged the buzzer and alarm relay are activated The Parameter AL21 determines the number of pump down alarm events to turn from automatic to manual reset The Reset is always manual if AL21 0 The Reset is always automatic if AL21
150. rs appoggio in Chiller mode 07 Not enabled 1 Evaporator inlet 0 3 2 Evaporator outlet 1 and 2 3 Evaporator outlet 1 and 2 and common outlet Ar 7 Antifreeze alarm probe heaters support heaters in HP mode 0 Not enabled 1 Evaporator inlet 0 3 2 Evaporator outlet 1 and 2 3 Evaporator outlet 1 and 2 and common outlet Pg 36 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Ar 8 Thermoregulation probe for anti freeze alarm condenser heaters 0 not enabled 1 Condenser common water inlet probe 0 4 2 Condenser common water inlet and condenser inlet 1 2 probe 3 Condenser water outlet 1 2 probe 4 Condenser water outlet 1 2 and common outlet Ar 9 Anti freeze heaters or condenser evaporator water pump control with unit in remote OFF or stand by mode 0 1 0 Control not enable 1 Controlled by anti freeze thermoregulation Ar 10 Thermoregulation and anti freeze alarm Condenser anti freeze heaters probe with recovery and water water unit 0 1 0 Condenser water inlet probe 1 Condenser water outlet probe Ar11 Anti freeze heaters amp water pump when the unit is off or stand by 0 Not controlled 0 1 1 Controlled by thermoregulation Ar 12 Anti freeze heaters control for condenser evaporator faulty probe 0 Anti freeze heaters OFF 0 1 1 Anti freeze heaters ON Boiler funct
151. rs AL Shows only the Alarm parameters Thermoregulation Parameter Description min max u m Resolution ST1 Chiller Setpoint org Allow to modify the setpoint of the unit in chiller mode Ines etos er dec int ST 2 Chiller minimum Setpoint 30 0 C Minimum setpoint limit for ST 1 22 9101 of dec int ST3 Chiller maximum Setpoint 70 0 C Maximum setpoint limit for ST 1 5701 458 F ST4 Heat pump setpoint ES Allow te modifie setpoint of the unit in heat pump mode Sr SI06 qeclint ST5 Heat pump minimum Setpoint 30 0 STO4 C Dec Minimum setpoint limit for ST 4 22 F int ST 6 Heat pump maximum Setpoint ST04 70 0 C Dec Maximum setpoint limit for ST 4 158 F int ST7 Regulation band in chiller mode 0 0 25 0 C Dec 0 45 F int ST8 Regulation band in chiller heat pump 0 0 25 0 C Dec 0 45 F int ST9 Thermoregulation probe selection in chiller 0 Temperature probe NTC for evaporator inlet 1 Temperature probe NTC for evaporator outlet 1 2 Temperature probe NTC for evaporator outlet 2 0 5 3 Temperature probe NTC for common evaporator outlet 4 Temperature NTC probe from remote panel 1 5 Temperature NTC probe from remote panel 2 ST 10 Thermoregulation probe selection in heat pump 0 Temperature probe NTC for evaporator inlet 1 Temperature probe NTC for evaporator outlet 1 2 Temperature probe NTC for evaporator outlet 2 3 Temperature probe NTC for common evaporator outlet 4 Temperature NTC probe from remote pan
152. running only if the unit is running chiller heat pump After giving the the start in chiller or heat pump mode the compressor regulation starts only after the time delay CO17 The water pump is turned off only when the unit is turned off stand by and if CO23 lt gt 0 the water pump supply fan turns off only after the this delay When the unit is in stand by or remote off and the Ar09 1 if the thermoregulation requires the antifreeze heaters also the water pump is turned on 21 2 on compressor demand When the compressor turns on also the water pump is turned on In both chiller and heat pump modes the water pump supply fan starts CO17 before the compressor When the last compressor is turned off the water pump supply fan is turned of after the CO23 delay When the unit is in stand by or remote off and the Ar09 1 if the thermoregulation requires the antifreeze heaters also the water pump is turned on The pump is always off when Remote OFF from digital input Digital input active of the condenser water pump overload Digital input active of the condenser water pump flow with MANUAL alarm During the defrost and when the compressor is off in dripping time the pump fan is on 35 PUMP GROUP OF THE CONDENSER If two relay outputs are configured as condenser water pump and support pump of the condenser automatically the pump group control is enabled First start up of the unit the running hours of the two pumps are bo
153. s 9 Yes ACFL Condenser flow alarm Yes Yes 3 Yes AtSF Fan supply overload alarm Yes Yes Yes Yes AEUn Unloading signalling from evaporator AtE1 Water pump overload alarm evaporator 1 Yes 4 Yes boiler 5 Yes Yes AtE2 Water pump overload alarm support evaporator 2 Yes 4 Yes boiler 5 Yes Yes AtC1 Water pump overload alarm condenser 1 Yes 4 Yes Yes AtC2 Water pump overload alarm support condenser 2 Yes 4 Yes Yes AEP1 Water pump maintenance evaporator 1 AEP2 Water pump maintenance support evaporator 2 ACP1 Water pump maintenance condenser 1 ACP2 Water pump maintenance support condenser 2 ArtC Clock alarm ArtF clock failure ALOC Generic alarm with unit stopped Yes Yes Yes Yes Yes AEE Eeprom alarm Yes Yes Yes Yes Yes ACF1 Configuration alarm Yes Yes Yes Yes Yes ACF2 Configuration alarm Yes Yes Yes Yes Yes ACF3 Configuration alarm Yes Yes Yes Yes Yes ACF4 Configuration alarm Yes Yes Yes Yes Yes ACF5 Configuration alarm Yes Yes Yes Yes Yes ACF6 Configuration alarm Yes Yes Yes Yes Yes ACF7 Configuration alarm Yes Yes Yes Yes Yes ACF8 Configuration alarm Yes Yes Yes Yes Yes ACF9 Configuration alarm Yes Yes Yes Yes Yes ArtF Faulty clock Pg 92 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary ArtC Clock error AEUn Unloading signalling from high temp of evapor
154. s 7 for the digital input ID1 CF36 high pressure switch of circuit 1 The label c means that the digital input is active for closed contact 11 12 CHANGE THE POLARITY OF THE DIGITAL INPUTS OUTPUTS Enter the programming 1 Select a parameter with digital input output value The top display shows the label o before the configuration number while the bottom display shows the parameter label 2 Push SET key the o label and the configuration number are blinking use the UP or DOWN key and select the proper polarity o c of the function then push SET key to confirm it all 3 The top display blinks for some seconds and then it will shows the next parameter 4 To exit the programming push SET UP together or wait the timeout 15seconds 12 SELECTION AND START OF THE RUNNING MODE 12 1 SELECT THE CHILLER OR THE HEAT PUMP MODE The CF79 parameter allows to select and enable the running mode Par CF79 0 Through keyboard the user can start and stop the unit using the keys of the front panel Par CF79 1 Through digital input programmed to start stop the unit from remote control e This selection is enabled if there is one digital input configured as start stop from remote remote chiller heat pump non of the digital input are configure the unit remains in stand by e The open status of the input forces the chiller running mode e closed status of the input forces the heat pump running mode
155. s on Condenser fan ON if at least one of the PWM or relay outputs for fan control is active Pg 16 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 4 8 MEANING FUNCTIONNING OF THE BOTTOM DISPLAY LED Led n 1 n p b A D b D a 7 bar Flow 59 ledn20 0 0 i lcm n 4 led n 3 Led 1 2 With RTC If the bottom display shows the RTC the 1 and 2 leds are blinking Led 1 2 In function Menu During the time counting to the next defrost for one or both circuits the led 1 and 2 are blinking LED Parameter programming In Pr2 level led 3 indicates the visibility while the 1 and 2 show if the parameter can be modified or not In Pr3 level led 3 and 4 indicate the visibility while the 1 and 2 show if the parameter can be modified or not 5 REMOTE TERMINAL Not yet available on this version The iCHILL can be connected with 2 remote terminals Each remote terminal can have the NTC probe on board that is used to show the loacl temperature and also to control the temperature regulation for the connections use shielded cable for a maximum lenght of 150mt In case of no communication between the instrument and the remotes the upper display shows noL no link VI620 VI620S can be connected to IC260L IC261L VI820 VI820S can be connected to IC280L IC281L Use the connection cable CAB CJ30 2x0 2 mm to interface the ichill connector
156. s turned off stand by and if CO18 lt gt 0 the water pump supply fan turns off only after the this delay When the unit is in stand by or remote off and the Ar09 1 if the thermoregulation requires the antifreeze heaters also the water pump is turned on CO16 2 on compressor demand When the compressor turns on also the water pump supply fan are turned on In both chiller and heat pump modes the water pump supply fan starts CO17 before the compressor When the last compressor is turned off the water pump supply fan is turned of after the CO18 delay When the unit is in stand by or remote off and the Ar09 1 if the thermoregulation requires the antifreeze heaters also the water pump is turned on The pump is always off when Remote OFF from digital input Digital input active of the water pump overload Digital input active of the evaporator water pump flow with MANUAL alarm During the defrost and when the compressor is off in dripping time the pump supply fan is on 32 2 HOT START SUPPLY FAN ONLY FOR AIR AIR UNIT IN HEAT PUMP MODE The hot start function is available only for air air unit configured with heat pump and it is active only during the heat pump mode It allows to start the supply fan only if the evaporating condensing probe temperature is hot enough to avoid to introduce cold air flows FA24 Hot start Setpoint It is the temperature setpoint to stop the supply fan when the NTC probe of the evaporator 1 output or
157. ser manual iCHILL 200 L GB 1 0 23 02 2005 4 7 DISPLAY AND ICONS Preliminary ICON MEANING FUNCTIONNING C Celsius degrees ON for temperature measurements of probe values or parameters F Fahrenheit degrees ON for temperature measurements of probe values or parameters g Bar ON for pressure measurements of probe values setpoint or parameters Psi ON for pressure measurements of probe values setpoint or parameters ON compressor 1 active Blinking compressor 1 delay counting ON compressor 2 active Blinking compressor 2 delay counting ON compressor 3 active Blinking compressor 3 delay counting ON compressor 4 active Blinking compressor 4 delay counting ON compressor 5 active Blinking compressor 5 delay counting ON compressor 6 active Blinking compressor 6 delay counting General alarm blinking if there is an alarm not identified by an icon 2 gt Ep E ES 5 F9 2 Anti freeze heaters integration heating boiler ON if the output is on Flow Flow alarm differential pressure switch supply fan thermal air air unit is blinking if the configuration of the digital input is active Real time clock On when the bottom display show the RTC ON during the programming with time based parameter value In function menu indicates the defrost delay counting Water pump On if at least one of the four configurable pump group i
158. setpoint the defrost cycle stops dF14 All the resources on during the defrost of the circuit 1 07 Not enabled 12 Enabled dF15 All the resources on during the defrost of the circuit 2 07 Not enabled 12 Enabled dF16 Compressor step delay time in defrost dF17 Condensing fan control during defrost and dripping cycle 07 Not enabled 1 Enabled in defrost 2 Enabled in defrost and in dripping time If dF17 0 During the defrost the fan control is not active If dF17 1 when the condensing temperature pressure value increases over dF18 the fans are turned on the fan control is determined by the same algorithm used in chiller mode 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary If dF17 2 during the dripping time dF08 lt gt 0 the fan are turned on for the time duration set in dF08 dF18 Pressure temperature setpoint to force the fans on during the defrost When the temperature pressure rises over this value the fan are turned on at the maximum speed dF19 Time delay before starting a forced defrost It determines a delay time before starting the defrost cycle dF20 Temperature pressure setpoint to force a defrost It determines a temperature pressure setpoint under which the dF19 starts counting when dF19 is expired if the temperature pressure is still lower than dF20 the defrost is immediately executed ATTENTION If during the dF19 counting the temperature rises over df20 dF21 differential the proce
159. splay of the circuit 2 Condenser 2water outlet with the label Cou2 Par dP03 3 Top display of the circuit 1 Condenser probe temperature Cdt1 pressure CdP1 Bottom display of the circuit 1 Evaporator pressure probe LP1 Top display of the circuit 2 Condenser probe temperature Cdt2 pressure CdP2 Bottom display of the circuit 2 Evaporator pressure probe LP2 15 4 DEFAULT DISPLAY READ OUT OF THE REMOTE PANELS VI620S AND VI820S If the parameter dP04 0 the upper display of the remote panels 1 and 2 depends on the parameter values dP01 dP02 dP03 to show the temperature detected by the internal probe of the remote panel accessing the function menu under the function trEm If the parameter dP04 1 the upper display of the remote panels 1 and 2 show their internal NTC sensor ambient temperature to show the same temperature it is possible to eccess the function menu under the function trEm 15 5 DEFAULT DISPLAY READ OUT OF THE REMOTE PANELS VI620S AND VI820S If the parameter dP04 0 the upper display of the remote panels 1 and 2 depends on the parameter values dP01 dP02 to show the temperature detected by the internal probe of the remote panel accessing the function menu under the function trEm If the parameter dP04 1 the upper display of the remote panels 1 and 2 show their internal NTC sensor ambient temperature to show the same temperature it is possible to eccess the function men
160. ss is aborted and the dF19 time reloaded dF21 Forced defrost differential dF22 defrost mode for unit with two circuits Operative mode 0 Independent 1 The condition are satisfied in both circuits 2 At least one circuit has reached the start condition dF23 It determines the end of the defrost for unit having two circuit and common condensing ventilation Operative mode 0 Independent 1 The end defrost condition are satisfied In both circuits 2 At least one circuit has reached the end defrost condition 39 RECOVERY The recovery function is Enabled if 1 Par rC01 not equal to 0 2 Chiller running mode 3 The recovery key is pushed to enable the function and the recovery led is on 4 The condensing temperature pressure is lower than set rC06 rC07 differential 5 The input output resources are configured 6 The remote recovery digital input is activated The recovery function is NOT Enabled if 1 Par rC01 0 2 Heat pump running mode remote OFF or stand by 3 The recovery key is pushed to disable the function and the recovery led is on 4 The condensing temperature pressure is higher than set rC06 5 The input output resources are not properly configured alarm ACF9 6 The remote recovery digital input is not activated NECESSARY RESOURCE FOR THE RECOVERY OF THE CIRCUIT 1 Output relay configured as valve for recovery circuit 1 Remote recovery digital input for circuit 1 Condenser probe of the circ
161. ssure probe configured as auxiliary output 1 and 2 are controlled with 0 5Vdc transducers 3 Pressure control with 0 5Vdc To control the evaporating and condensing pressures it is necessary a ratiometric 0 5Vdc transducer CF8 PB1 Configuration 0 25 If configured as digital input 1 c62 CF 9 PB2 Configuration 0 25 If configured as digital input o1 c62 CF 10 PB3 Configuration 0 30 If configured as digital input o 1 c62 CF11 PB4 Configuration 0 30 If configured as digital input 1 c62 CF 12 PB5 Configuration 0 30 If configured as digital input 1 c62 CF 13 PB6 Configuration 0 30 If configured as digital input 01 c62 CF 14 PB7 Configuration 0 25 If configured as digital input 01 c62 CF 15 PB8 Configuration 0 25 If configured as digital input o1 c62 CF 16 PB9 Configuration 0 25 If configured as digital input o 1 c62 CF17 PB10 Configuration 0 25 If configured as digital input o 1 c62 Probe Offset CF 18 PB1 Offset 12 0 12 0 C Dec 10 53 F int CF 19 PB2 Offset 12 0 12 0 C Dec 10 53 F int 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary CF 20 PB3 Offset 12 0 12 0 C Dec 10 53 F int 5 0 5 0 bar dec 72 72 psi int CF 21 PB4 Offset 12 0 12 0 C Dec 10 53 F int 5 0 5 0 bar dec 72 72 psi int CF 22 PB5 Offset 12 0 12 0
162. sword is OK the label ArST blinks for 5 seconds then the display returns to normal condition read out probes If the password is not correct the display shows PAS again in any case is possible to scroll the list with UP or DOWN To exit push the M key one time or wait the timeout 17 6 PASSWORD VALUE THE ALARM LIST The default value is 0 to change this value enter Pr3 level under the AL parameter family THE ALARM LIST CONTAINS 100 EVENTS IN A FIFO STRUCTURE WHEN THE MEMORY IS FULL ANY NEW ALARM WILL ERASE THE OLDEST 17 7 DISABLE ENABLE A SINGLE CIRCUIT Through the instruments keyboard is possible to completely disable a single circuit for maintenance or to use just a cooling part of of the unit CrEn FUNCTION enables disables a circuit from keyboard Label involved with CrEn function Cr1E circuit 1 Cr2E circuit 2 DISABLE A CIRCUIT Enter the function Menu 1 Use UP or DOWN keys to select CrEn on the bottom display 2 Push SET key the bottom display Cr1E top display En 3 Select the circuit 1 or 2 with UP or DOWN Cr1E or Cr2E 4 Push SET key for 3 seconds when one of the two Cr1E Cr2E label are displayed The top display shows the En blinking label use the UP or DOWN to change in diS Disabled or En Enabled then push SET key to confirm the new selection The display shows next circuit status 5 To exit the CrEn function push MENU key or wait the timeout 17 8 READ OUT O
163. t the alarm is reset so the unit can start at least for the time set in AL35 in order to heat the water or the air After the AL35 delay if the anti freeze probe is still lower than AL33 setpoint for AL36 seconds the unit is locked again with an anti freeze alarm 41 24 B1HP B2HP HIGH PRESSURE CONDENSING HIGH TEMPERATURE OF THE CIRCUIT Label o the display b1hP high pressure digital input of the circuit 1 b2hP high pressure digital input of the circuit 2 Origin In chiller or heat pump if the condensing probe is higher than ALO9 setpoint Reset If the condensing probe value is lower than ALO9 AL10 differential Restart Manual Reset procedure in Menu function Icon Blinking A Action Alarm Relay and buzzer on 41 22 B1LP B2LP LOW PRESSURE SWITCH CIRCUIT 1 OR 2 Label o the display b1LP low pressure switch circuit 1 b2LP low pressure switch circuit 2 Origin e With the digital input is active If ALO8 1 also in stand by or remote OFF when the low pressure switch input is active In defrost if AL06 1 when the compressor low pressure switch input is active The alarm is not signalled if In defrost for the time AL07 when the 4 way valve is activated During the AL01 delay after turning on the compressor Reset Digital input not active Restart Automatic Manual after AL02 events per hour Reset procedure in Menu function Icon Blinking A Action Alarm Relay
164. t not enabled 1 Temperature pressure defrost The dF09 time delay to the defrost starts when the temperature decreases under the 02 setpoint The Defrost cycle end is determined by temperature pressure 2 Time duration defrost The 09 time delay to the defrost starts when the temperature decreases under the dF02 setpoint The Defrost cycle end is determined by the maximum duration dF05 3 Defrost from digital input The 09 time delay to the defrost starts when the temperature decreases under the dF02 setpoint The Defrost cycle end is determined by the active digital input dF02 Temperature pressure to begin the time counting to next defrost It allows to program a setpoint under which the 09 starts counting dF03 Temperature pressure to end the defrost It allows to program a temperature pressure setpoint value to determines the end of the defrost when the probe value is rising dF04 Minimum duration of the defrost It determines the minimum defrost time duration after starting the defrost itself even if the conditions are not more satisfied dF05 Maximum duration of the defrost If dF01 2 it determines the maximum duration of the defrost and even if for the other cases the end defrost condition are still to be satisfied dF06 defrost delay time between the 1 and the 2 circuit After the interval dF09 determined by the defrost request of one of the circuits the other 2 circuits must wait also the time dF06
165. ter Motocondensing Additional features Heat pump with gas reversibility Free cooling function Recovery function 2 1 MAIN FUNCTION Chiller management One circuit up to 4 compressors e Twocircuits with different compressor number per circuit Double circuit up to 6 compressors e Screw compressors Compressor start up Direct Part winding Star delta Compressor Sott start e With step valve e Automatic start unloading without load External by pass gas valve Capacity step control Continuous control Step control Modulation control screw compressors Thermoregulation of the compressors e Time running hours Number of start up per hour Cooling liquid injection e With dedicated PTC probe High temperature alarm of the compressor discharge side e With dedicated PTC probe Complete management of two pump groups of the water side e 2 pumps evaporator side e 2 pumps condenser side Display layout customizable e Temperature Pressure e Time RTC in real time Other display readings Safety digital inputs Compressors running hours Number of compressor start up Pump running hours Delay counting to the next defrost Proportional output percentage status Compressors discharge temperature larm reset with custom password Alarm list Compressor thermal protection alarm ingle circuit stand by Circuit maintenance To work with only one circuit ingle compressor stand by Compressor maintenance
166. th 0 if CO21 1 or 2 continuous or on compressor demand pump mode by default the pump 1 is turned on The successive restart of the unit is made with the pump 2 During the normal functioning condition when the unit changes from a stand by remote off power off status to chiller or heat pump mode the pump that is running is switched off and immediately the one with less running hours is turned on When the unit goes in stand by or remote off the pump stays on for the time set in CO23 When the unit is in stand by or remote off and the Ar09 1 if the thermoregulation requires the antifreeze heaters also the water pump is turned on Pg 72 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 35 1 CONDENSER WATER PUMP ROTATION Par CO24 lt gt 0 to enable the function During the normal functioning condition both for chiller and heat pump if one pump reaches the running hours of the CO24 parameter the pump is turned off while the other pump is re activated If the CO25 lt gt 0 before changing from one to the other the two pumps work together for the time set in this parameter If CO24 0 the rotation is immediate and CO25 is not counted ATTENTION The CO17 CO23 values on and off delay between compressors and pumps are calculated also for the pump group 35 2 CONDENSER WATER PUMP ROTATION THROUGH DIGITAL INPUT CONTROL With two digital inputs configured as overload alarm of water pump and support pump the rotat
167. th the contactor K2 Durning the CO13 time delay the step valve is forced on minimum power When the C013 is expired if the thermoregulation requires more power the valve will be switched off maximum power 27 7 STAR DELTA START This algorithm allows to reduce the start up current when using hermetic or semi hermetic compressors or medium big screw compressors Each compressor needs three relay outputs The maximum number of relay outputs is 6 this means 2 compressors with Star delta start up EXAMPLE Star delta configuration of the compressor relay outputs Set Par CF54 21 Star delta line 1 relay of the compressor 1 Set Par CF55 22 Star delta line 2 relay of the compressor 1 Set Par CF56 23 Star delta centre relay of the compressor 1 27 8 STAR DELTA START Or A COMPRESSOR Each compressor needs three relay outputs One relay output as Line 1 of the compressor 1 Relay K1 of the Fig 3 One relay output as Line 2 of the compressor 1 Relay K3 of the Fig 3 One relay output as centre of the star Relay K2 of the Fig 3 To turn on the compressor the centre of the star relay is turned on Relay K2 of the Fig 3 after 1 second the Line 1 relay is turned on relay K1 Fig 3 The two relays work together for the time set in CO11 then the relay of centre of the star is switched off relay K2 Fig 2 Then after the CO12 delay time the relay of the line 2 is turned on relay K3 Fig 3 To turn off the compressor
168. the compressors COEn Display the compressor discharge temperature COdt Show and reset the number of compressor running hour Hour Show and reset the number of compressor starts up COSn 10 Show the condensing fan speed percentage of the proportional output Cond 11 Show the percentage of the proportional output 0 10 Vdc Pout 12 Time counting to next defrost cycle under heat pump mode dF 13 Show the probe temperatures that enabled to control the auxiliary output uS 14 Show the probe the temperature of the remote panels trEM MENU FUNCTION ACCESS Push and release the M key MENU FUNCTION ACCESS Push and release the M key or wait the 15seconds timeout limit With the UP or DOWN keys move inside the label list 17 1 ALARM LIST SHOW AND RESET ALrM FUNCTION Enter the function MENU pushing M key one time 1 Use the UP or DOWN to select the AlrM label 2 Push SET key Nothing happens if there are no active alarm events 3 Bottom display alarm label code Top display label rSt to reset or NO if it is not possible 4 Use the UP or DOWN to scroll the alarm list 5 Pushing SET when the rSt label is displayed the corresponding alarm will be reset then the display shows next alarm in the list pushing SET again the alarm is reset and the display shows next alarm etc Nothing happens by pushing SET when the label NO is displayed in this case push UP or DOWN to move to another alarm label 6 To exit the ALrM reset function push
169. the evaporator 2 output or the evaporator common output value is lower FA25 Hot start differential Temperature differential of the hot start function 33 EVAPORATOR PUMP GROUP If two relay outputs are configured as evaporator water pump and support pump of the evaporator automatically the pump group control is enabled First start up of the unit the running hours of the two pumps are both 0 if CO16 1 or 2 continuous or on compressor demand pump mode by default the pump 1 is turned on The successive restart of the unit is made with the pump 2 During the normal functioning condition when the unit changes from a stand by remote off power off status to chiller or heat pump mode the pump that is running is switched off and immediately the one with less running hours is turned on When the unit goes in stand by or remote off the pump stays on for the time set in CO18 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary When the unit is in stand by or remote off and the Ar09 1 if the thermoregulation requires the antifreeze heaters also the water pump is turned on 33 1 EVAPORATOR WATER PUMP ROTATION Par CO19 lt gt 0 to enable the function Durning the normal functionning condition both for chiller and heat pump if one pump reaches the running hours of the CO19 parameter the pump is turned off while the other pump is re activated If the CO20 lt gt 0 before changing from one to the other the two pumps wor
170. the fuction the time delay rC02 and rC03 are not counted and the valve is immediately turned on or off RECOVERY START OF THE TWO CIRCUITS CONFIGURED WITH MORE THAN ONE CAPACITY STEP Circuits 1 and 2 configured with more than one step of power eg each circuit with three compressors if the thermoregulation requires to turn on one or more resources and the recovery is activated from the digital input the unit turns on only one step and then waits the rC02 delay this delay keep off all the other steps after the recovery is started After the delay the recovery valve is turned on and after the rC03 time this delay keeps off all the other steps after the recovery is started the other resources if necessary are turned on RECOVERY STOP OF THE TWO CIRCUITS CONFIGURED WITH MORE THAN ONE CAPACITY STEP Circuits 1 and 2 configured with more than one step of power eg each circuit with three compressors After the rC04 time delay minimum on time of the recovery function when activated if the digital input of the recovery is not active the units stops the new resources for the time set in rC02 After this delay the recovery valve is turned off and the regulation restarts with its normal running condition RECOVERY START OF THE TWO CIRCUITS WITH ALL THE CAPACITY STEPS ACTIVATED When the system is running with 10096 eg all the three compressor of a circuit are on of power and the digital input start the recovery function before turning on the recovery va
171. the password Set the password level using the UP and DOWN keys then confirm with SET key Dependening on the password value there will be the different level access if the password is wrong the instrument shows the password value again ATTENTION 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary For all the programming levels Pr1 2 3 the CF family or configuration parameters can not be changed if the unit is running in chiller heat pump The user can check the leds 1 and 2 and if they are blinking it is not possible to change this parameters but it is necessary to set the unit in stand by and then enter the programming again During the defrost the dF family can t be programmed 11 3 How TO CHANGE A PARAMETER VALUE Enter the programming 1 Push the SET DOWN keys together for seconds Select the parameter label with up and down keys 3 Push SET to enter the parameter value 4 Change the value with UP or DOWN keys 5 Push SET to confirm after some seconds the display shows the next parameter 6 Exit Push SET UP together when a parameter label is displayed or wait 15seconds without pushing a key NOTE a new parameter value is confirmed also after the 15 seconds of timeout is expired without pushing SET key to confirm 11 4 CHANGE THE PASSWORD VALUE Pr1 LEVEL Remember that it is necessary to know the old password value 1 Enter the Pr1 level 2 Select a parameter family 3 Inside the
172. the read out depends on the paremeters dP01 dP02 dP03 0 1 1 the read out shows the NTC probe of the remote panel Pr1 Password 0 999 Pr2 Password 0 999 Pg 28 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Pr3 Password 0 999 Configuration Parameter Description min Resolution Unit Model CF1 Type of unit 0 Air air Chiller 0 2 1 Air water Chiller 2 Water water Chiller CF 2 Heat pump 0 no 0 1 1 Yes Motocondensing unit 0 no 0 1 1 si Compressors CF4 Compressors number for circuit 1 1 1 2 2 0 4 3 3 4 4 CF 5 Compressors number for circuit 2 0 0 1 1 0 3 2 2 3 3 CF 6 Number of compressor parzialization 07 none 12 1 0 3 2 2 3 3 Analog Inputs CF7 Pressure or temperature analogue input functioning 0 Temperature pressure NTC 4 20 mA The condensing temperature is controlled with NTC probe while for the evaporating pressures of the circuits 1 and 2 and the pressure probe configured as auxiliary output 1 and 2 are controlled with 4 20mA transducers 1 Pressure control with 4 20 mA To control the evaporating and condensing pressures it is necessary a 0 3 4 20mA transducer 2 Temperature pressure NTC 0 5Vdc The condensing temperature is controlled with NTC probe while for the evaporating pressures of the circuits 1 and 2 and the pre
173. the start up 0 250 Re 10 sec 2 Minimum OFF time after the switching off 0 250 T 16 ON delay time between two compressors or compressor and valve During this time the led of the next resource is blinking 1 250 Sec Pg 32 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary OFF delay time between two compressors or compressor and valve During 0 250 S deos SE TE de ec this time the led of the next resource is blinking 5 Output time delay after the main power supply start up to the unit 10 0 250 10 sec All the loads are delayed in case of frequently power failures Sec Partialization Capacity Control Functioning see Capacity Control 0 With on off steps 1 Continuous with steps and direct action 0 3 2 Continuous with steps and reverse action 3 Modulating for screw compressor CO 7 Start up with minimum compressor power automatic start unloading valve 0 Only at the compressor start up Minimum power automatic start unloading valve off 1 At the compressor start up and during the termoregulation Minimum power automatic start unloading valve off 0 3 2 Only at the screw compressor start up Minimum power automatic start unloading valve off 3 At the compressor start up and during the termoregulation Minimum power Unloading valve ON with compressor off
174. tion of both the heaters together of the circuit 1 and 2 is excecuted through the probes configured as condenser water outlet of the circuit 1 and 2 and the NTC of the common outlet ATTENTION When the outputs are configured as heaters circuit 1 and 2 they are both controlled by the NTC probe of the common condenser outlet 23 5 THE THERMOREGULATION OF THE ANTI FREEZE HEATERS OF THE CONDENSER RECOVERY The thermoregulation depends on the configuration of the circuit 1 and 2 heaters and the NTC probe to control the cycle The Par Ar08 selects the probe to control the anti freeze alarm and the heaters thermoregulation Par Ar08 0 the thermoregulation the anti freeze alarm and the heaters control of the circuit 1 is controlled by the NTC of the condenser water common inlet or the circuit 1 while the relay output for circuit 2 is controlled through the NTC configured as condenser water common inlet or circuit 2 Par Ar08 1 the thermoregulation the anti freeze alarm and the heaters control of the circuit 1 is controlled by the NTC of the condenser water common outlet or the circuit 1 while the relay output for circuit 2 is controlled through the NTC configured as condenser water common outlet or circuit 2 23 6 GRAPH OF THE ANTI FREEZE INTEGRATION HEATING BOILER HEATER RELAYS SETPOINT SETPOINT HEATER N 2 ON HEATER N 1 PBr PBr REGULATION BAND REGULATION BAND 23 7 BOILER THERMOREGUL
175. to the shielded wire 6 FIRST INSTALLING 6 1 ONBOARD CLOCK OPTIONAL Giving power supply the bottom display shows rtC alternated with a temperature or pressure value It is necessary to set the RTC If the probes are not connected the display shows the corresponding probe alarm messages In this situation the RTC setup and the programming are available ATTENTION The RTC function is an optional and it is not possible to update the instrument but it is necessary to order the instrument already complete of this features With power failure the RTC back up battery maximum duration is 1 week After this period it is necessary to setup the clock again 6 2 RTC SETUP Push M key for 3 seconds until the bottom display shows Hour and the top display shows its value Push SET one time the value is blinking Use the Up and Down keys to adjust it Push SET one time to confirm automatically the display shows next parameter Repeat the operations 2 3 and 4 for all the RTC parameters Min minutes 0 60 UdAy day of the week Sun Sunday Mon Monday tuE Tuesday UEd Wednesday tHu Thursday Fri Friday SAt Saturday dAy day of the month 0 31 MntH month 1712 yEAr year 00799 PON 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 7 WIRING CONNECTIONS 7 1 HARDWARE RESOURCES FOR IC260L IC280L MODELS 10 digital outputs relays 18 digital inputs free of voltage 10 an
176. ture setpoint 0 150 C Dec int 0 302 F int AL 40 Compressor high discharge temperature differential 0 25 0 C Dec 0 45 F int AL 41 Number of compressor high discharge temperature events per hour to determine the alarm reset condition Always manual reset if AL41 0 0 16 Always automatic reset if ALA1 216 From automatic to manual if ALA1 1 15 AL 42 Maximum number of generic alarm events each event stop the regulation before turning the alarm from automatic to manual Always manual 142 0 0 16 Always automatic AL42 16 From manual to utomatic if AL42 value is between 1 and 15 AL 43 Generic alarm delay time after the digital input activation 0 250 Sec AL 44 Generic alarm delay time after the digital input is not activate 0 250 A 10 sec Alarm relay AL 45 Enable alarm relay with unit in off or stand by 0 Alarm output not enabled 0 1 1 Alarm output enabled Pg 40 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary Password reset Alarm log Compressor overload AL 46 Password value to reset the alarm log or the compressor overload alarm 0 999 AL 47 Thermal alarm of the compressor 0 lock the compressor 0 1 1 lock the whole circuit Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 10 PROGRAMMING WITH THE HOT KEY 64 10 1 DOWNLOAD HOW TO PROGRAM AN INSTRUMENT WITH A PROGRAMMED HoT KEY 1 Turn off the instrument suppl
177. u under the function trEm 16 DISPLAY INFORMATION 16 1 SHOW THE SET POINT VALUE Push and release the SET key the leds of the circuits are off and the set value is displayed In stand by the bottom display shows SetC set chiller by pushing SET again the next label is SetH set heat pump If the unit is running the only set displayed is related to the running mode 16 2 MODIFY THE SET POINT 1 Push SET key for at least 3 seconds the leds of the circuits are off and the set value is blinking 2 Use the UP or DOWN key to modify the setpoint 3 Push SET to confirm or wait the timeout 15seconds 16 3 SHOW THE ACTIVE SETPOINT DURING ENERGY SAVING OR DYNAMIC SETPOINT If the unit is running in chiller or HP the Energy Saving or the Dinamic Setpoint activity is signalled by the blinking led of the SET button Chiller mode push SET one time the bottom display shows the SEtC set chiller while the top display shows the set value Only if the Energy saving or the Dynamic Setpoint are active pushing another time the SET key the bottom display shows SEtr real setpoint and the top display shows the setpoint that the unit is really using for the thermoregulation Chiller mode push SET one time the bottom display shows the SEtH set Heat pump while the top display shows the set value Only if the Energy saving or the Dynamic Setpoint are active pushing another time the SET key the bottom display shows SEtr real setpoint and the to
178. uit 1 NECESSARY RESOURCE FOR THE RECOVERY OF THE CIRCUIT 2 Output relay configured as valve for recovery circuit 2 Remote recovery digital input for circuit 2 Condenser probe of the circuit 2 39 1 UNIT WITH TWO SEPARATE IDRAULIC CIRCUITS FUNCTIONING Par rC01 1 unit with two separate circuits CIRCUIT 1 With the recovery function enabled the unit running in chiller and with the temperature pressure proper condition the unit start the recovery of the first circuit if the corresponding digital input is active When the digital input is active the relay of the valve for the recovery of the first circuit is activated CIRCUIT 2 With the recovery function enabled the unit running in chiller and with the temperature pressure proper condition the unit can start the recovery of the second circuit if the corresponding digital input is active When the digital input is active the relay of the valve for the recovery of the second circuit is activated After starting the function if the digital input becomes not active the recovery function runs for the time set in rC04 before stoppping Between the end and the next recovery function the instrument waits the time set in the parameter rC05 even if the digital input is activated again Pg 78 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary RECOVERY START AND STOP OF THE TWO CIRCUITS CONFIGURED WITH CAPACITY STEPS During the start and the stop of
179. uit balancing is applicable only if there a2 circuits and 2 resources for circuits total of 4 resources The circuit balancing allow to equalise the power supplied by the two circuits the difference can be one step maximum ES 2 circuits 2 step for each circuit total of 4 resources Activation 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary The thermoregulation immediately requires all the 4 resources the controller turns on the compressor with less running hours then the compressor with less running hours of the other circuit Again the first circuit and it is turned on the 2 compressor then the second compressor of the other circuit De activation It is selected first the circuit having more resources on if the running resources are equals for both circuits the first compressor turned off is the one with the greater number of running hours or less number of starts up then in the other circuit the other compressor with less running hours Again the first circuit and it is turned off the 2 compressor then the second compressor of the other circuit COMPRESSOR REGULATION When it is turned on each compressor runs for the CO01 minimum time This minimum time is aborted in case of alarm STAND BY ON OFF by remote defrost or partialization through NTC transducer When it is turned off each compressor can restart only after the CO02 time delay Both for sequential or rotation regulation with compressors or c
180. unit in heat pump mode Auxiliary output n 1 OFFunit in stand by x ON unit in free cooling mode ON it displays the size of cir N 2 when cir1 and cir2 blink at the same time ON enter in function it means you are entering in programing mode Blinking when menu or RTC parameters set energy saving or set point dinamic in On ON unit in recovery mode Pg 12 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 4 2 USE OF THE LED ON THE MODELS VI620 VI620S REMOTE PANELS Defrost Auxiliary output n 2 Auxiliary output n 1 On unit in heat pump mode iie ON it displays the size of cir N 4 OFruret in stand by when cir1 and cir2 blink at the same time PEE il means you ara entering in programing mode On unit in chiller mode OFFunit in stand by ON enter in tunction menu or RTC parameters ON it displays the size of cir N 2 when cir1 and cir blink al Ihe same lime it means you are entering in programing mode Blinking when set energy saving or set point dinamic in On 4 3 USE OF THE LED ON THE MODELS VI820 VI820S REMOTE PANELS Defrost Auxiliary output n 2 Auxiliary output n 1 On unit chiller mode ON it displays the size ot cir 1 in stand by whan ciri and cir2 blink al Ihe same lima it means you are entering in programing made On unit in heat pump mode OFFunit in stand by ON enter in function menu ar RTC paramelars ON it displays the size of cir N 2
181. ure pressure alarm differential from analogue input 0 1 25 0 C Dec 0 45 int 0 0 14 0 bar Dec 0 203 psi int Oil Alarm AL 11 Low oil pressure level delay from digital input 250 Sec AL 12 Minimum time for low oil pressure level from digital input activation in normal 250 S E ec working condition AL 13 Maximum number of low oil pressure level events Always manual reset if AL13 0 0 16 Always automatic reset if AL13 16 From automatic to manual reset if AL13 1 15 Flow alarm AL 14 Configuration 0 Not enabled 1 Only for chiller 0 3 2 Only for heat pump 3 For both chiller and heat pump AL 15 Flow switch supply fan overload alarm delay after pump fun activation 0 250 Sec AL 16 Maximum number of flow switch supply fan alarm events Always manual reset if AL16 0 0 1 16 Always automatic reset if AL16 16 From automatic to manual reset if AL16 1 15 AL 17 Minimum Flow switch supply fan overload active time duration 0 250 Sec AL 18 Minimum Flow switch supply fan overload not active time duration 0 250 Sec Compressor overload alarm AL 19 Compressor overload alarm delay after compressor start up 0 250 Sec AL 20 Maximum number of compressor overload alarm events Always manual reset if AL20 0 0 16 Always automatic reset if AL20 16 From automatic to manual reset if AL20 1 15 Pump down alarm AL 21 Maximum number of pump down alarm events per hour in stop condition After this number the alarm is logg
182. urning off the last compressor the solenoid valve is closed The compressor runs until the pump down pressure switch connected to the digital input becomes active for a maximum time set in CO39 If the last compressor stops before the pump down pressure switch because of the CO39 time out maximum compressor on time after turning off the P D solenoid valve the ICHILL calculates the AL21 parameter maximum number of pump down alarm per hour and if an alarm occurs the display will show the alarm code the buzzer and the alarm relay will be on If the thermoregulation is stopped via digital input as remote off or from chiller heat pump keys during the pump down process the chiller or the heat pump led will blink When the next thermoregulation restarts the PD solenoid valve turns on and after 1 seconds if the low pressure switch is not active the compressors start If the compressors do not restart within the CO39 time the pump down alarm will signalled and the compressor are stopped In this case if AL23 0 the compressor can restart only if the pressure switch becomes active or if AL23 1 and the number of alarms per hour becomes AL22 only after the manual reset PAR CO36 3 OFF UNIT WITH PUMP DOWN in CHILLER MODE No PUMP DOWN at START UP In Heat pump mode the Pump down process is inhibited and the solenoid valve works in parallel with the compressor PAR CO36 4 ON and OFF UNIT WITH PUMP DOWN CHILLER MODE In Heat pump mode the Pump d
183. urs it is completely locked CO16 CO21 2 Compressor on pump on The alarm is managed only if one digital input is configured as flow switch the restart is always automatic in stand by or remote OFF pump off it becomes manual after AL16 events per hour During the functioning of the unit any flow alarm stop the loads described in the table the water pump follow its regulation algorithm and is turned off after AL16 events per hours it is completely locked MANUAL RESTART OF THE FLOW ALARM After AL16 events hour it is necessary to enter the function Menu to reset the alarm itself The alarm message DOES NOT DISAPPEAR if the alarm condition is still on The water pump if configured can start and the alarm is by passed for AL18 seconds AL15 Alarm flow delay after on pump When the water pump starts the AL 15 delay stops any flow alarm to reach the normal flow condition AL16 Maximum number of flow alarm events per hour It determines maximum number of flow alarm events per hour before change the unit restart from automatic to manual when the alarm becomes manual the water pump is locked ATTENTION With air water or water water units and CF01 1 2 the minimum number of events per hour is 1 AL 17 Active flow input duration Within this time the flow alarm must be active and after AL17 is expired the alarm is signalled The counter starts after AL15 and allows to filter the improvise flow reduction or the possible bubbles of air AL18
184. verload Yes C n dt Compressor high discharge temperature Yes C n dS Compressor n disabled from keyboard Yes C n Mn Compressor n maintenane n identifies the compressor 1 2 3 4 5 6 Pg 94 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 44 BLACK OUT After the black out is restored 1 The instrument resores the same operating mode lost after the supply failure 2 Ifactive the defrost is aborted 3 All the timers and time parameters are reloaded 4 The manual alarm is not reset 45 INSTALLING AND MOUNTING 45 1 PANEL CUT OUT The instrument must be mounted on vertical panel with panel cut out 150x31mm and screwed 2 screws 3 x 2mm in between distance 165mm The IP65 can be reached with the gasket RG L opzionale The ambient working temperature range should be between 0 60 Avoid locations subject to heavy vibration corrosive gases or excessive dirt The same applies to the probes Ensure ventilation around the instrument 165 150 Fd des ge 45 2 PLEXIGLASS PROTECTION BOTTOM OPEN 45 3 PLEXIGLASS PROTECTION TOP OPEN 2 cuck 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary 45 4 METAL FRONT FRAME 45 5 VERTICAL BOARDS VI620 VI820 PANEL CUT OUT The remote terminals are for panel mounting panel cut out 72x56 mm and screwed with two screws The IP65 can be reached with the gasket RGW V optional
185. wait the timeout 17 20 How TO DISPLAY THE TEMPAERATURE OF THE INTERNAL TEMPERAURE SENSOR OF THE REMOTE TERMINALS 1 OR 2 Inside the funcion menu it is possible to see the ambient temperature detected by the NTC sensor Pg 54 103 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary FUNCTION trEM to show the temperature of the remote panels Identification label trEM trE1 value of the NTC probe of the remote 1 trE2 value of the NTC probe of the remote 2 Select with UP or DOWN the trEM function Push SET the trE1 or trE2 label is shown on the bottom display the top display shows the probe value Use the UP or DOWN arrow to change beteween trE1 or trE2 read out To exit to the normal display read out push MENU or wait the time out time ATTENTION THE trEm function and the labels trE1 or trE2 appear only if the CF74 2 or 3 remote panel 1 configuration or if the parameter CF75 2 or 3 remote panel 2 configuration 18 ENERGY SAVING 18 1 ENERGY SAVING FROM DIGITAL INPUT The energy saving is activated when one of the digital input configured as energy saving is ACTIVE The energy saving activation is signalled by the SET key led on When working in Chiller or HP the first pressure on SET key shows the actual setpoint SetC chiller or SetH HP labels while the top display shows the set value If the energy saving is active the next pressure on the SET key shows the label SEtr real setpoint and the
186. y 2 Insert the hot key 3 Turn on the power supply 4 Immediately the parameters are downloaded During the download the regulation is locked and the top display shows the doL blinking label At the end of the download will appear End if the programming procedure is completely OK after 30seconds the regulation starts automatically Err if the programming procedure has found an error and the parameter have not been transferred In this case turn off and then on the instrument supply to repeat the operation or remove the hot key with power supply off to restart the regulation 10 2 UPLOAD How TO PROGRAM A KEY WITH THE PARAMETERS OF THE INSTRUMENT Turn on the power supply Insert the hot key Enter the function Menu Select the UPL function on the bottom display Push SET key and immediately the instrument starts transfer the parameters into the Hot key During the upload the regulation is locked and the top display shows the UPL blinking label At the end of the UPLOAD will appear End if the programming procedure is completely OK after 30seconds the regulation starts automatically Err if the programming procedure has found an error and the parameter have not been transferred Repeat the procedure To exit the UPL function push the MENU key or wait the time out 15 sec 11 PROGRAMMING USING THE KEYBOARD Through the instrument keyboard it is possible to enter the programming In all the th
187. ycle They turn on when the 4 way valve change from heat pump to chiller and turn off only after the dripping time and the compressors restart 1592015300 User manual iCHILL 200 L GB 1 0 23 02 2005 Preliminary ATTENTION The support heaters are always off when e supply fan is not configured e supply fan is off e The unit is in stand by or remote off e The probe is faulty 23 4 CONDENSER ANTI FREEZE HEATERS REGULATION The regulation dependes on the configuration of the heater circuit 1 relay and heater circuit 2 relay and the corresponding NTC probes used to this control The parameter Ar08 is used to select the heaters probe control both for chiller and heat pump Par Ar08 0 The thermoregulation the alarm and the heater regulation are disabled Par Ar08 z 1 The thermoregulation the alarm and the regulation of both the heaters together of the circuit 1 and 2 is excecuted only through the condesner water inlet NTC probe Par Ar08 2 The thermoregulation the alarm and the heater 1 regulation is executed through the condenser water outlet NTC probe of the circuit 1 The thermoregulation the alarm and the heater 1 regulation is executed through the condenser water outlet NTC probe of the circuit 2 ATTENTION It is not possible to control the heaters of the circuit 1 with the NTC probe of the condenser water outlet of the circuit 2 and viceversa Par Ar08 3 The thermoregulation the alarm and the regula

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