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UST500 CONTROL BOARD

06MC0074@00B0100

14/04/2010

Digital alarms

Alarm

code

Name of alarm

Bypass

activation event

Bypass

time

Automatic

alarm

activation time

Manual alarm

activation

time

Exit alarm

deactivation

time

Number of

interventions per

sample time

Er01

High Pressure

Alarm

None

not present

AL03

Er05

Low Pressure

Alarm

Circuit

compressor
activated or

reversal of 4-way

valve (NOTE 1)

AL02

not present

AL01

Er20

Internal circuit flow

meter alarm

Internal circuit

pump activation

AL05

AL06

AL04

AL07

not present

Er25

External flow

switch alarm

External circuit

pump activation

AL37

AL38

AL36

AL39

not present

Er10

Compressor 1

thermoswitch

Compressor

switched on

AL09

not present

AL08

Er11

Compressor 2

thermoswitch

Compressor

switched on

AL09

not present

AL08

Er41

External

exchanger fan

thermoswitch

None Not

present

Not present

not present

Not present

AL10

Er40

Internal exchanger

fan thermoswitch

None Not

present

Not present

not present

Not present

AL35

Er15

Compressor 1 oil

pressure switch

Compressor 1

switched on

AL48

Not present

not present

Not present

AL42

Er16

Compressor 2 oil

pressure switch

Compressor 2

switched on

AL48

Not present

not present

Not present

AL42

Er21

Internal circuit

pump

thermoswitch

None Not

present

Not present

not present

Not present

AL40

Er26

External circuit

pump

thermoswitch

None Not

present

Not present

not present

Not present

AL41

Er50

Internal exchanger

electric heater

thermoswitch

None Not

present

Not present

not present

Not present

not present

Er51

Internal exchanger

electric heaters
thermoswitch 2

None Not

present

Not present

not present

Not present

not present

Er52

External

exchanger electric

heater

thermoswitch

None Not

present

Not present

not present

Not present

not present

Er56

Auxiliary heaters

thermoswitch

None Not

present

Not present

not present

Not present

not present

(NOTE 1) The bypass is activated by the reversal of the 4-way valve only if at least one compressor is on.
During defrost, the low pressure alarm is disabled if Pa AL20 = 0.

Содержание UST500

Страница 1: ...UNIFLAIR Instruction manual UST500 CONTROL BOARD EN...

Страница 2: ...efined by local legislation must be used In addition the equipment can be returned to the distributor at the end of its working life when buying new equipment The equipment may contain hazardous subst...

Страница 3: ...28 Configuration of digital inputs 29 Configuration of digital outputs 30 Configuration of analogue outputs 31 Serial configurations Protocol parameters 33 REMOTE TERMINAL 34 OPERATING MODES TEMPERATU...

Страница 4: ...on by low pressure probe Cool and Heat 65 Power limitation by temperature control probe Cool and Heat 65 Power limitation by external temperature Cool and Heat 65 ALARMS AND DIAGNOSTICS FOLDER PAR AL...

Страница 5: ...HANICAL ASSEMBLY 93 TECHNICAL DATA 94 I O features 94 Mechanical specifications 95 Display and LEDS 95 Serials 95 Transformer 95 Mechanical dimensions 95 DEVICE OPERATION 96 Permitted use 96 Unintende...

Страница 6: ...will find a reference to the page on the topic of compressors listed under the item compressors in the index If you are consulting the manual on line using a computer words which appear in italics ar...

Страница 7: ...utput 2 PWM analogue outputs a 0 10V 4 20mA configurable analogue output and an Open Collector digital output for an external relay All inputs and outputs are independent and configurable meaning they...

Страница 8: ...s a value Goes to the next label Manual defrost activation Functions menu see Functions chapter folder FnC DOWN DOWN Decreases a value Goes to the previous label Local ON OFF See Local On OFF section...

Страница 9: ...appear on the display All other LEDs will be off Device OFF On The word OFF will appear on the display Press the DOWN key for about 3 seconds UST500 will return to the normal screen NOTE The local ON...

Страница 10: ...nts UP UP DOWN DOWN Manual reset See Manual alarm acknowledgment and reset section Esc SETPOINT Open programming menu Programming menu Manual alarm acknowledgment and reset Alarm messages blink How to...

Страница 11: ...gether UP DOWN N B resetting an active alarm will save the alarm in the AL folder see state Menu i e manual reset alarm set esc The device will return to the main display LEDs and Display The display...

Страница 12: ...See Parameters chapter Ui dS folder Parameters UI07 dS00 Configurable See Parameters chapter Ui dS folder Parameters UI07 dS00 LED Values and Units of Measure LED Unit of measure Icon Colour Permanen...

Страница 13: ...time all LEDs and digits flash at the same time set esc After the lamp test based on preselected settings the following are displayed time real setpoint parameter setpoint the value of the analogue i...

Страница 14: ...e table below MENU Main Display Ai AI1 Ai2 AI3 AI4 di Di01 Di02 Di05 rtC HOUr dAtE YEAr Setr Operating mode HEAt COOL StdBY States Ai di CL HOUr dAtE YEAr Hr CP01 CO02 PU01 PU02 Programming MENU Param...

Страница 15: ...e display will be defined on the basis of the state and logical parameter digital input associations rtC Setpoint o SetP set from parameter o Setr real with any decalibration Step by step instructions...

Страница 16: ...nge from StbY to COOL mode To change operating mode press and hold the mode key for at least 2 seconds PS The main display is set as rtc current time set esc A blinking menu will open containing the v...

Страница 17: ...Dynamic Alarms SP Value Setpoint set YES Sr Value Real setpoint Hr CP01 CP02 PU01 PU02 Dynamic Running time hoursx10 compressor pumps YES As you will be able to see from the table the setpoint SP and...

Страница 18: ...hange the clock on your machine press the set key from the main display set esc Pressing the set key once will open a list of the various folders Use the UP and DOWN keys to find the CL folder Press t...

Страница 19: ...RD 06MC0074 00B0100 14 04 2010 19 set esc set esc To set the time date and year use the UP and DOWN keys to enter the required value set esc Press the Esc key to exit the set clock menu and go back to...

Страница 20: ...alarms N B the menu is not cyclical For example if the active alarms are ER01 Er02 and Er03 the display will show Er01 Er02 Er03 Er02 Er01 N B UP DOWN Press the esc key to go back to the main display...

Страница 21: ...t to change the COOL mode setpoint Select COOL from the menu then press the set key set esc The device will show the current machine setpoint which in this case is 12 0 degrees centigrade Use the up a...

Страница 22: ...label Press the set key to view the first label which in this case is the running time for compressor 1 CP01 Scroll with the UP and DOWN keys to view if the relative resources are present the running...

Страница 23: ...ow on how to change a machine parameter By way of example let s look at the CF configuration parameters folder parameter CF00 folder PAr CF CF00 set esc Press the esc and set keys together to open the...

Страница 24: ...Four levels of visibility can be set by assigning suitable values to each parameter and folder by serial software Param Manager or other communication softwares or by programming key The visibility l...

Страница 25: ...ill open the menu containing the list of folders Use the up and down keys to scroll the list until you find the PASS folder set esc Press the set key to open the PASS folder Enter the password install...

Страница 26: ...and so on Scroll with the UP and DOWN keys to view if present any other alarm events Press the set key again to view details of the selected event EU00 in this case The first label will be shown alar...

Страница 27: ...UST500 CONTROL BOARD 06MC0074 00B0100 14 04 2010 27 Alarm stop date in this case the alarm is still active Type of alarm Automatic or alternatively manual...

Страница 28: ...input analogue AI2 Probe not configured Probe configured as no voltage digital input NTC sensor CF02 Type of input analogue AI3 Probe not configured Probe configured as no voltage digital input NTC s...

Страница 29: ...added to by AI1 AI4 if the latter are configured as digital inputs via parameters CF23 26 respectively A total of 8 digital inputs is thus available Study the following tables Table A parameter associ...

Страница 30: ...r thermoswitch 26 Economy input 27 Remote STD BY 28 General alarm 29 Block compressor 1 30 Block compressor 2 31 Power limited to 50 32 Block heat pump If more than one parameter in the table is confi...

Страница 31: ...r depending on the following models and with the following characteristics Table A Analogue outputs and Models High voltage SELV Models Output 2A 230V PWM 0 10V 4 20mA ST542 C ST552 C TC1 AO1 AO2 AO3...

Страница 32: ...ed CF35 Enabling analogue output AO2 0 Output configured as digital 1 Output configured as Triac for pulse pilot If 1 see parameters CF38 CF41 CF44 CF38 Phase shift analogue output AO2 0 90 Active if...

Страница 33: ...ameter Description Value 0 1 CF54 Select COM1 TTL protocol Uniflair SpA Modbus Parameter Description Range CF55 Uniflair SpA protocol controller address 0 14 CF56 Uniflair SpA protocol controller fami...

Страница 34: ...tput manages the LCD remote terminal with integrated room temperature control Refer to the following connection diagram wiring ST500 wiring SKW210 description 1 GND black Ground Black 2 Signal Blue Si...

Страница 35: ...logue inputs o tr00 1 Temperature control differential Digital motor condensing o tr00 2 Digital temperature control The regulation algorithm calculates the load to be supplied through the compressors...

Страница 36: ...temperature control can be selected in parameter tr03 N B Always set tr13 tr11 Power power Step 1 Step 1 Step 2 Step 2 Only for machines with two compressors or partialized compressor AIn temp temper...

Страница 37: ...ol can be enabled by configuring tr00 2 The operating mode selected and power required depend on the state of digital inputs configured for this type of temperature control Safety timings settings com...

Страница 38: ...function are as follows tr19 Setpoint differential in Cool from start of Economy tr20 Setpoint differential in Heat from start of Economy In UST500 a digital input DI1 DI5 or AI1 AI4 configured as di...

Страница 39: ...x NA x Heating NA x x Standby Stdby x x x Remote Standby Stdby x x x OFF x x x Remote OFF x x x If different states are requested at the same time the following priorities are assigned in increasing...

Страница 40: ...differentials are both positive but can also be set with a negative value Example of automatic changeover based on external air temperature MODE Operating mode EXT TEMP External temperature COOL SETPO...

Страница 41: ...its partialization is are connected to one of the available relay outputs D01 D04 D06 or to the D05 open collector output setting the following parameters CF45 CF50 1 for compressor 1 CF45 CF50 2 for...

Страница 42: ...d CP08 Minimum ON step during increase in output CP08 Minimum time between the switching off of more than one compressor CP06 OFF OFF timing for more than compressor The second compressor will switch...

Страница 43: ...pplies when UST is started up When the device is switched on for the first time the default sequence is run time 1 see Compressor on off sequence Run time sequence i e the device behaves as if CP02 5...

Страница 44: ...ssor 2 available Run time sequence 5 Run time 1 sequence based on CP10 Compressor run time for switch on sequence see table 6 Run time 21 sequence based on CP10 Compressor run time for switch on seque...

Страница 45: ...ed by the temperature controller by setting parameter PI01 Select internal circuit water pump operating mode appropriately See Table 2 In the event of an alarm blocking the internal circuit water pump...

Страница 46: ...eaters active Internal circuit water pump disabled Internal circuit water pump enabled The pump is on if the heaters are on in integrated use The pump is on if the boiler is on The internal circuit wa...

Страница 47: ...e Output Value AI1 CF00 2 CF12 6 DO1 DO2 DO3 DO4 D05 CF45 CF48 3 CF49 3 AI2 CF01 2 CF13 6 DO6 CF50 3 AI3 CF02 2 CF14 6 TC1 CF42 3 or 16 AI4 CF03 2 CF15 6 AO1 AO2 AO3 CF43 3 or 16 CF34 1 CF44 3 or 16 C...

Страница 48: ...le 2a Table 2a external exchanger fan parameters Parameter Description Value 0 1 FE00 Enable external exchanger fan Fan disabled Fan enabled FE01 Select external exchanger fan operating mode ON OFF Pr...

Страница 49: ...rties of the fan drive motors See configuration parameters CF Configuration of Inputs Outputs chapter Pulse length Defines the duration in milliseconds of the pulse piloting the TC or AO1 AO2 output S...

Страница 50: ...l exchanger can reach alarm levels if the exchanger is not totally de iced To avoid the overpressure alarm being generated in this situation if the pressure temperature read by the probe is above FE28...

Страница 51: ...e 0 1 2 3 FE30 Select probe for external exchanger fan regulation in defrost no probe external exchanger temperature probe high pressure probe external exchanger pressure probe FE28 External exchanger...

Страница 52: ...anger heaters for antifreeze Heaters disabled Heaters enabled Antifreeze Standby mode HI01 Enable internal exchanger heater regulator in standby for antifreeze Heaters disabled Heaters enabled Integra...

Страница 53: ...exchanger heaters for integrated use 1 heating mode gas inversion heat pumps N B for water inversion heat pumps see external electric heater circuit set H00 1 even when heaters are to be integrated W...

Страница 54: ...indicated below 1 heater HI04 1 2 heaters HI04 2 HEAT HI06 Internal exchanger heaters regulator setpoint for antifreeze HI13 Internal exchanger heater regulator hysteresis for antifreeze HI15 Differe...

Страница 55: ...s for antifreeze Heaters disabled Heaters enabled External exchanger Standby mode HE01 Enable external exchanger heater regulator in standby for antifreeze Heaters disabled Heaters enabled External ex...

Страница 56: ...y configuring HA01 see table The control probe is based on external temperature The setpoint can be set in parameter HA01 Parameter Description Value 0 1 HA00 Enable auxiliary heaters Heaters disabled...

Страница 57: ...Parameter Description Input dF01 Setpoint to enable interval count between defrosts Output dF02 Deactivate defrost setpoint Input dF03 Cumulative interval between defrosts Input dF04 Compressor valve...

Страница 58: ...ssors during defrost the compressors steps are both on This does not happen if one of the compressors is in alarm During this cycle compressor safety timings are ignored Count mode The time count betw...

Страница 59: ...mpressor safety timings are ignored and the external exchanger heater fan is switched on at maximum power for the time set in parameter dF06 Dripping time 0 Defrost when compressor stops If an alarm s...

Страница 60: ...he function analyses actual running time of the compressor ET comparing it with the preset minimum running time MT The minimum time MT is set in parameter Ad07 Reference compressor on time for adaptiv...

Страница 61: ...on with setpoint modification Ad01 0 Setpoint modification after calculation of AO1 SET1 SET 1 SET2 SET 2 Adaptive function with hysteresis modification Adaptive function with hysteresis modification...

Страница 62: ...accumulation offset regression See setpoint regression Ad07 Reference compressor on time for accumulation offset See minimum time MT Protection COOL If the outlet temperature Ad04 during general cycl...

Страница 63: ...p operation in antifreeze Heat pump disabled Heat pump enabled Enable water pump heat pump The water pump activates if the temperature read by the temperature control probe in COOL AF01 water pump reg...

Страница 64: ...Low Pressure SETPOINT x x C PL04 High water temperature Low H20 temp SETPOINT x x D PL05 Low water temperature Low H20 temp SETPOINT x x E PL06 External temperature For power limitation in COOL Ext t...

Страница 65: ...emperature control probe Cool and Heat PL05 Low temp SETPOINT SETPOINT Power limitation by external temperature Cool and Heat Diagram E by high external temperature in Cool mode PL06 Ext SETPOINT COOL...

Страница 66: ...reset Automatic reset For automatic reset alarms normal operation is restored as soon as the cause of the alarm has been removed Manual reset Alarms can be manually reset by pressing and releasing th...

Страница 67: ...Not present AL10 Er40 Internal exchanger fan thermoswitch None Not present Not present not present Not present AL35 Er15 Compressor 1 oil pressure switch Compressor 1 switched on AL48 Not present not...

Страница 68: ...of alarm Notes CMP 1 2 Compressor 1 power step 2 PUMP 1 2 Pump 1 2 Alarm D Digital A Analogue See digital alarms table Reset AUTO Automatic UTILITY OFF COMP1 OFF compressor 1 OFF COMP2 OFF compressor...

Страница 69: ...or 1 oil pressure switch CMP 1 D Events OFF COMP1 Er16 Compressor 2 oil pressure switch CMP 2 D Events OFF COMP2 Er20 Internal circuit flow switch D Time OFF OFF OFF for manual reset alarm OFF OFF Er2...

Страница 70: ...UTO See probe error table Er63 External exchanger inlet water temperature probe faulty AUTO See probe error table Er64 External exchanger outlet water temperature probe faulty AUTO See probe error tab...

Страница 71: ...r temperature Condensation control NO Fans ON OFF 100 when requested by compressor Start defrost NO Timed start depending on compressor state Exit defrost NO Exit for time out External exchanger inlet...

Страница 72: ...time out Low pressure input Temp control Cool YES Temp control Heat YES Condensation control NO Fans ON OFF 100 when requested by compressor Start defrost NO Timed start depending on compressor state...

Страница 73: ...deFrost dF00 dF14 Defrost dS dynamic Setpoint dS00 dS07 Dynamic setpoint Ad Adaptive Ad00 Ad07 Adaptive adaptive function AF Antifreeze AF00 AF03 Antifreeze PL Power Limitation PL00 PL08 Power limitat...

Страница 74: ...input AI2 To set analogue input AI2 same as CF12 Configuration of analogue input AI3 To set analogue input AI3 AI4 see table 0 Not set 7 High pressure input 1 Internal exchanger water air inlet temper...

Страница 75: ...s ST544 C ST553 C To configure analogue output AO3 se table 0 Output disabled 9 External exchanger electric heater 1 Compressor 1 10 Auxiliary electric heater 2 Output step 2 11 External exchanger fan...

Страница 76: ...553 C Configures digital output DO6 same as CF45 Configuration of digital output AO1 Configures digital output AO1 same as CF45 Configuration of digital output AO2 Configures digital output AO2 same a...

Страница 77: ...f LED 7 LED symbol on display LED Parameter Default Default Default icon on front panel LED 1 first from left UI00 1 Compressor 1 LED 2 UI01 2 Output step 2 LED 3 UI02 7 Internal exchanger electric he...

Страница 78: ...bfolders 0 Key not enabled for the function 1 Key enabled for the function Parameter Key Press and hold Default icon on front panel UI10 UP UI11 esc mode UI12 set disp UI13 DOWN Parameter Key press an...

Страница 79: ...emperature CF12 CF15 4 Enable block heat pump function To enable or disable the heat pump block 0 Heat pump block disabled 1 Heat pump block enabled Block heat pump set point To set the heat pump bloc...

Страница 80: ...ay compressor off internal circuit water pump off To modify the delay between switching off the compressor and switching off the internal circuit water pump Minimum internal circuit water pump speed i...

Страница 81: ...ool mode To modify the recirculation fan regulator hysteresis in Cool mode Recirculation fan regulator hysteresis in Heat mode To modify the recirculation fan regulator hysteresis in Heat mode Enable...

Страница 82: ...y the average speed of the external exchanger fan in Heat mode Maximum speed external exchanger fan in Heat To modify the maximum speed of the external exchanger fan in Heat mode Select probe for exte...

Страница 83: ...resis for antifreeze To modify the hysteresis of the internal exchanger heater regulator for antifreeze Internal exchanger heater dynamic differential setpoint in integrated use To modify the dynamic...

Страница 84: ...e boiler in heating only 0 Boiler in integrated use 1 Boiler in heating Enable boiler digital dynamic differential To enable the digital dynamic differential of the boiler 0 Proportional 1 Fixed Boile...

Страница 85: ...ler dynamic differential in Cool Heat mode Maximum temperature controller dynamic differential in Cool Maximum temperature controller dynamic differential in Heat To modify the maximum dynamic differe...

Страница 86: ...s AL Time interval for alarm event count To modify the interval in which alarm events are counted Number of low pressure alarms To modify the number of low pressure alarms Low pressure alarm bypass ti...

Страница 87: ...ssor 2 for the service message Pump 1 on time for service message To modify the on time of pump 1 for the service message Pump 2 on time for service message To modify the on time of pump 2 for the ser...

Страница 88: ...the table below Label Operation Function activated by key if configured N B FnC dEF Manual defrost YES UP tA Alarm acknowledgment YES UP DOWN St Switch device on off YES DOWN CC Copy Card Use multi f...

Страница 89: ...in the main screen The label PAr will appear Scroll with UP and DOWN to find the FnC label Press set The label dEF will appear Scroll with UP and DOWN to find the TA label Press the set key to acknow...

Страница 90: ...By doing this the programming parameters will be uploaded from the Multi Function Key to the device FORMAT Formatting the Multi Function Key consists of deleting the contents of the Multi Function Key...

Страница 91: ...itching on the programming parameters are loaded in the instrument lamp test completed Example A dLY appears on the display If the procedure terminates successfully Example B dLn appears on the displa...

Страница 92: ...settings of the new map just loaded Remove the key on completion of the operation if the string Err dLn download from reset appears Check that the key is connected to the device Check the Multi Funct...

Страница 93: ...e in damp and or dirt laden areas It is suitable for use in places with ordinary or normal levels of pollution Keep the area around the device cooling slots adequately ventilated The TTL serial is on...

Страница 94: ...sing at 12Vc Max current35mA min load of 600Ohm 12Vcc All models Low voltage SELV analogue outputs AO2 1 PWM Open Collector output PWM Resolution 1 PWM Open Collector Nominal range 0 16 9Vc 12V rectif...

Страница 95: ...Container PC ABS plastic resin with V0 flammability rating Display and LEDS Display and leds 4 or 3 digits sign 18 LEDs All models Keys UP DOWN set esc 4 keys All models Serials Serials TTL COM1 1 TTL...

Страница 96: ...ny protection devices required to comply with product requirements or dictated by common sense due for obvious safety reasons should be installed externally Regulations The product complies with the f...

Страница 97: ...UST500 CONTROL 06MC0074 00B0100 14 04 2010 97...

Страница 98: ...CONTROLLO UST500 98 06MC0074 00B0100 14 04 2010...

Страница 99: ...UST500 CONTROL 06MC0074 00B0100 14 04 2010 99...

Страница 100: ...s Viale della Tecnica 2 35026 Conselve PD Italy Tel 39 049 5388211 Fax 39 049 5388212 uniflair com info uniflair com P IVA 02160760282 C C I A A di PD R E A 212586 del 21 04 1988 R I N 02160760282 M P...

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