STORK TRONIC ST121-KD1KAR.112 Скачать руководство пользователя страница 1 | Manualshive

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Order number: 900323.001 V1.74

Page 1

© Störk-Tronic 2021 • www.stoerk-tronic.com • Subject to modifications.

Data sheet ST121-KD1KAR.112

1

2

3

F2

PTC

F1

PTC

4

5

A

B

RS485

ST-Bus

230V~

K2

K1

1

2

3

4

L1

N

K1: 16(6)A 250V~

K2: 16(2,2)A 250V~

Controller for cooling
applications

Order number: 900323.001

As of: 04.11.2021 V1.74

The cooling controller ST121-KD1KAR.112 with two sensor inputs and five keys is used for the thermostatic temperature
control of refrigerating plants. It is supplied with 230V AC and has two exit relays. The functions of the outputs and special
keys can be freely selected, thus various applications with only one controller are possible. The controller, for example, can
operate with two coolers if the evaporator sensor is parametered as sensor for a second refrigerating chamber.
Networking of the controller takes place via the ST-Bus interface.

Sensor:

PTC

Range:

-50...150 °C

Front size:

120 mm x 42 mm

Panel cut-out:

102.5 mm x 35 mm

Tightness:

Front IP65

Connection:

screw terminal

Product description

Wiring diagram

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2
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Содержание ST121-KD1KAR.112

Страница 1: ...mostatic temperature control of refrigerating plants It is supplied with 230V AC and has two exit relays The functions of the outputs and special keys can be freely selected thus various applications with only one controller are possible The controller for example can operate with two coolers if the evaporator sensor is parametered as sensor for a second refrigerating chamber Networking of the con...

Страница 2: ...Order number 900323 001 V1 74 Page 2 Störk Tronic 2021 www stoerk tronic com Subject to modifications General information Operating levels SOFTWARE COOLING CONTROLLER ST121 xxx 112 ...

Страница 3: ... on or off no mains disconnection The cooling controller is generally controlled using the buttons UP DOWN and SET The standard display indicates the temperature of the cold store actual temperature value Press SET button to switch over the display to the required cold store temperature set point temperature The setpoint temperature can only be changed by pressing buttons SET and UP or SET and DOW...

Страница 4: ...up will be displayed parameter A0 in parameter group A for example Using the buttons UP and DOWN you can scroll the parameter group and change certain parameter values using the default value setting method Press buttons UP and DOWN at the same time to quit any parame ter group and return to the list of parameter groups To quit the list of parameter groups and return to the standard level press bu...

Страница 5: ... suppression time door open 0 no alarm 1 600 sec 180 A14 Behavior if temperature alarm disappears again 0 without buzzer delete automatically 1 with buzzer delete automatically 2 without buzzer with acknowledgment 3 with buzzer with acknowledgment 1 A15 Function buzzer and or display in the case of alarm temperature alarm see A14 0 no display no buzzer 1 display flashing only 2 buzzer active only ...

Страница 6: ...independent of standby 12 Relay function door frame heating not active in standby 13 Relay function door frame heating independent of standby 14 Relay function F not active in standby 15 Relay function F independent of Standby 16 Set1 Set2 changeover 17 Day Night changeover 18 Superfrost on off 19 Evaporator fan permanently on 20 Control circuit 1 on off 21 Control circuit 2 on off 22 Set for setp...

Страница 7: ...lay function F regardless of standby 17 Set1 Set2 change over 18 day night change over 19 super frost on off see c21 c23 20 evaporator fan on permanently 21 defrosting request circuit 1 22 defrosting request circuit 2 23 control circuit 1 on off 24 control circuit 2 on off 25 like 17 remember state 26 like 5 remember state 27 like 7 remember state 0 b12 Switching input E1 inverse not inverse 0 nor...

Страница 8: ...imit shock frost max cooling power 1 36 hrs 10 c22 super frost temperature limit shock frost max cooling power 40 0 C 0 0 c23 super frost automatic off shock frost max cooling power 0 none manual only 1 controlled by time 2 controlled by time or temperature 2 c30 Assignment of humidity sensor detailed description of sensors in parameters H11 through H53 0 none 1 Sensor F1 2 Sensor F2 3 Sensor F3 4...

Страница 9: ...frosting interval 1 99 hrs 0 no automatic defrosting 8 d2 Type of defrosting 0 no defrosting 1 compressor off only circulating air 2 electrical 3 with hot gas 2 d3 Stop at defrosting temperature 0 30 0 C 10 0 d4 Defrosting time limitation 1 99 min 30 d7 Temperature difference to cold store setpoint in previous cooling 15 C 0 0 C 0 0 d8 Time limitation in previous cooling 1 180 min 10 d9 Delay of s...

Страница 10: ...n delay after defrosting 0 600 sec 120 F19 Evaporator fan drip interruption time if F15 2 0 600 sec 180 F20 Evaporator fan control offset if F15 4 or 5 15 0 15 0 C 0 0 F21 Evaporator fan control hysteresis if F15 4 or 5 0 1 15 0 C 2 0 F22 Fan speed control mode Set1 NIGHT 0 100 90 0 F23 Fan speed control mode Set2 NIGHT 0 100 50 0 F50 Assignment of condenser sensors detailed description of sensors...

Страница 11: ... value correction 20 20 0 C 0 0 H23 Weighting factor sensor F2 0 50 1 50 1 00 H24 Selection sensor F2 see H14 1 H25 Software filter sensor F2 1 32 8 H26 Display at 0 4mA and sensor selection H24 7 8 99 999 0 0 H27 Display at 20 mA and sensor selection H24 7 8 99 999 100 H31 Act value sensor F3 Measured value not adjustable H32 Calibration sensor F3 act value correction 20 20 0 C 0 0 H33 Weighting ...

Страница 12: ...rameter set changes all parameter settings L Networking and display password protected Para meter Description of function Setting range Default value L0 Own address ST bus identical to setting Adr 0 deactivated 1 250 1 L2 Temperature scale 0 C 1 F 0 L3 Display mode 0 3 digits integers 1 3 digits rounded to 0 5 2 3 digits 0 1 3 4 digits integers 4 4 digits rounded to 0 5 5 4 digits 0 1 2 L4 Display...

Страница 13: ...trol circuit 2 active 19 on if Set 1 active 20 on if Set 2 active 21 on if day mode active 22 on if night mode active 23 on if Superfrost active 24 Counter heating during dehumidification 25 Humidify 1 U2 Function relay K2 see U1 2 U3 Function relay K3 see U1 3 U4 Function relay K4 see U1 5 U5 Function relay K5 see U1 0 U6 Function relay K6 see U1 0 U7 Function relay K7 see U1 0 U8 Function relay ...

Страница 14: ...U27 Function LED13 Su see U11 0 U99 Password of parameter level U 99 999 19 Y Control circuit 2 password protected Para meter Description of function Setting range Default value Y0 Assignment of sensors to control circuit 2 detailed description of sensors in parameters H11 through H53 0 none 1 Sensor F1 2 Sensor F2 3 Sensor F3 4 Sensor F4 5 weighted mean value from F1 and F2 0 Y1 2nd control circu...

Страница 15: ...ows i e for K1 number 65536 N1 N0 Parameter N98 resets the counters for all relays It depends on the setting of parameter L42 The return value is set back to 0 automatically T level operating times This level contains the parameters for operating times Parameters are only accessible via the ST Bus Para meter Description of function Setting range T10 Total operating time lower 16 bit T11 Total oper...

Страница 16: ...y pressing the SET button display you can switch to the relevant parameter level Now the master password is no longer re quired The passwords will remain deactivat ed until the controller is disconnected from power supply again In case you leave the parameter level now simply press the SET button in PA in order to access the parame ter selection levels again Para meter Description of function Sett...

Страница 17: ...sor F3 wire broken check sensor F3 E4L Error on sensor F4 short circuit check sensor F4 E4H Error on sensor F4 wire broken check sensor F4 E5 Door open for too long close door E6 High pressure fault Check Condenser fan and check for dirt accumulation E7 Low pressure fault Plant leaking to little coolant EP0 Internal error in control unit Repair control unit EP1 Error in parameter memory Check all ...

Страница 18: ...f an alarm Here you can define if a temperature alarm is to be displayed or not and if the buzzer is to sound Additionally you can define if the buzzer is to sound again after acknowl edgment The corresponding time is indi cated in A16 The error mes sage and the temperature will be dis played alternately as long as the alarm is present If more than one alarm messages are present they will be displ...

Страница 19: ... should continue operation in order to avoid defrost ing In normal cold stores above 0 C contin ued operation might result in frost damage however During emergency operation no defrosting will be performed c20 Assignment of sensors for su per frost function With this parameter you can set which sensor input is to be assigned to the su per frost function Depending on the sensor design it can also b...

Страница 20: ...speed during defrosting Set1 Fan speed during defrosting and active Set1 F10 Fan speed in control mode Set2 Fan speed in control mode and active Set2 F11 Fan speed during defrosting Set2 Fan speed during defrosting and active Set1 F12 Start up time in seconds If necessary the fan can be switched on at max speed for the time set here to ensure it runs properly This parameter is active only if the f...

Страница 21: ...e correction Actual value correction and weighting factor must be defined in the following parame ters This corrects actual value deviations in special applications refrigerated shelves or similar due to unfavourable sensor location H51 Weighted mean value sensors F1 and F2 This theoretical mean value from sensors F1 and F2 may be useful for the control circuit or display It is calculated as follo...

Страница 22: ...es with rounded decimal place or exactly L4 Display value Here you can define which actual value is to be displayed This refers to the display in normal operation You will have to leave the parameter level in order to see the set value Possible values which can be set via this parameter L4 Description 0 Last temperature before defrosting 1 Cold store temperature 2 Evaporator temperature 3 Cur cont...

Страница 23: ...rol circuit 2 switching mode Heating contact or cooling contact Y5 Control circuit 2 hysteresis In this parameter you can specify the control hystere sis A small hysteresis enables exact control but will result in frequent switching of the relay Y6 Control circuit 2 Hysteresis mode With this parameter you can define if the hysteresis will be active at the correspond ing switching point symmetrical...

Страница 24: ...display 3 LEDs diameter 3mm colour red for status display Interface ST Bus communication interface Interface driver RS485 galvanically not separated The network has to be installed in lines topology and terminated with a 120 Ohm resistance on each side In case of networking always connect port A with port A and port B with port B Crossing over is not permissible Power supply 230V 50 60 Hz power co...

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