FRUIT RIPENING CONTROLLER USER MANUAL SZ-FR INDIA

FRUIT RIPENING CONTROLLER USER MANUAL INDIA www.subzero.co

Introduction Get to Know Your Controller The is a panel/wall mounted controller dedicated to control fruit ripening process. Features: Key Introduction 7 Segment LED display & LCD with backlight to display all parameters and control status In the absence of a CO2 sensor, will work on an ON/OFF logic provided for Damper/Fan operation to vent CO2. Automatic control of Ethylene by operation of a Solenoid valve. In the absence of an ethylene sensor, unit will work on an On/Off logic provided for ethylene solenoid valve. Real time clock incase of power failure to keep in memory number of hours operated. One push button activation for complete operation of ripening process. START PRG Program Key SET Key UP Key RST Reset Key Down Key LED Indications LED PROCESS START 3 Back Key PROCESS START Key MODE DISCRIPTION ON OFF ON OFF ON OFF ON OFF LSV Relay ON. LSV Relay OFF. Fan Relay ON. Fan Relay OFF. Alarm Relay ON. Alarm Relay OFF. Humidifier Relay ON. Humidifier Relay OFF. ON. Process start ON. 4

MAIN SYSTEM PROGRAMMING MODE > USER PROGRAM Press PRG Key for 2 seconds to Enter Programming mode. 2> RIPENING PROCESS START Press START Key for 2 seconds. 2 3> TO STOP RIPENING PROCESS Press START Key again for 2 seconds. setting method SP ETH Function : To set point of Ethylene control. Press SET key to set parameter. Use UP/Down key to set desired point to control Ethylene dosing to maintain ethylene PPM in the ripening chamber. LL ETH HL ETH + : MINIMUM : MAXIMUM : FACTORY SETTING(DEFAULT) 5 PPM setting method 3 To set other parameter SP << CO2 : " Press SET key display will show CO2 set point. To go other parameter, use UP/DOWN keys. SET SP << CO2 : " Press SET key to set parameter. LL CO2 +. HL CO2. 5.65 LL RH + HL RH point to control CO2 ventilation fan to maintain the CO2 level of ripening chamber in acceptable percentage. 95 SP TC LL TC + HL TC point to control RH percentage dosing to maintain RH percentage in the ripening chamber. Function : To set point of Temperature. Press SET key to set parameter. SET Use UP/DOWN key to set desired 4 Function : To set point of CO2 control. Use UP/Down key to set desired Function : To set point of RH control. Press SET key to set parameter. Display will show Press & hold SET key for 2 seconds SP RH 8 point for Temperature used in ripening process start. C LL = Low Limit. HL = High Limit. 6

setting method Display will show HIGH LIMIT << CO2 : " Press PRG key display will show CO2 HIGH ALARM LIMIT. To go other parameter, use UP/DOWN keys. Press & hold PRG key for 2 seconds PRG HIGH LIMIT << CO2 : " To change HIGH LIMIT CO2 5 SP CO2 +... setting method HIGH LIMIT << ETH : PPM" To change HIGH LIMIT ETH PPM parameter, press the set key. Function: To set High alarm limit for Ethylene. Once this value set at particular value this will not allow set point of Ethylene to go above this value and below low alarm limit Ethylene setting. 6 To set other parameter Function : To set High alarm limit for CO2. Once this value set at particular value this will not allow set point of CO2 to go above this value and below low alarm limit CO2 setting. Example : If High Alarm Limit for CO2 value set to.75, when of CO2 reached above.75 HA displayed on 7 segments and alarm relay will ON. SP ETH + 999 999 PPM HIGH LIMIT << TEMP : 'C " To change the HIGH LIMIT TEMPERATURE parameter, press the set key. 7 SP TEMP + 5 5 C HIGH LIMIT << RH : " To change the Comp Time Delay parameter, press the set key. 8 7 SP RH + 99 99 SP = Point. Example : If High Alarm Limit for Ethylene value set to 3PPM, when PPM of Ethylene reached above 3PPM HA displayed on 7 segments and alarm relay will ON. Function: To set High alarm limit for temperature. Once this value set at particular value this will not allow set point of temperature to go above this value and below low alarm limit temperature setting. Example : If High Alarm Limit for temperature value set to 5C, when temperature reached above 5C HA displayed on 7 segments and alarm relay will ON. Function: To set High alarm limit for RH.. Once this value set at particular value this will not allow set point of RH to go above this value and below low alarm limit RH setting. Example : If High Alarm Limit for RH value set to 9, when of RH reached above 9 HA displayed on 7 segments and alarm relay will ON. 8

setting method LOW LIMIT << CO2 : " Function: To set low alarm limit for CO2. To change the LOW LIMIT CO2 Once this value set at particular value this will not allow set point of CO2 to go below this value and above high alarm limit CO2 setting. 9. SP Co2.. Example : If Low Alarm Limit for CO2 value set to., when of CO2 reached below. LA displayed on 7 segments and alarm relay will ON. LOW LIMIT << ETH : PPM" Function : To set low alarm limit for ethylene. To change the LOW LIMIT ETH SP ETH PPM Function : To set low alarm limit for temperature. To change the LOW LIMIT TEMP. parameter, press the set key. SP TC 9 Once this value set at particular value this will not allow set point of Temperature to go below this value and above high alarm limit Temperature setting. 2 LOW LIMIT << RH : " Function : To set low alarm limit for RH. To change the LOW LIMIT RH SP RH 3 DIFFERENTIAL << CO2 : " Once this value set at particular value this will not allow set point of RH percentage to go below this value and above high alarm limit RH percentage setting. Example : If Low Alarm Limit for RH percentage value set to., when of RH reached below. LA displayed on 7 segments and alarm relay will ON. Function: To set differential for CO2. To change the DIFFRENTIAL Differential between cut out and cut in CO2 CO2, press the set key. can be set between. to.5...2 C setting method Example : If Low Alarm Limit for Temperature value set to.c, when Temperature reached below.c LA displayed on 7 segments and alarm relay will ON. Once this value set at particular value this will not allow set point of Ethylene to go below this value and above high alarm limit Ethylene setting. Example : If Low Alarm Limit for Ethylene value set to.ppm, when PPM of ethylene reached below.ppm LA displayed on 7 segments and alarm relay will ON. LOW LIMIT << TEMP : 'C ". Example : Differential for CO2, If Differential of CO2 set to. and set point of CO2 set to.65. then when co2 reached to and above (.65 +. ) Fan will ON and will turn OFF when co2 goes below CO2 set point i.e...65.

4 setting method DIFFERENTIAL << ETH : PPM" 2 5 PPM DIFFERENTIAL << RH : " To change DIFFERENTIAL RH 2 6 2 PROBE CAL. << Co2 : ' "... Example : Differential for Ethylene, If Differential of ethylene set to ppm and set point of ethylene set to 5 ppm. then when ethylene goes to and below (5 ppm ppm) SV will ON and will turn OFF when ethylene reached to and above ethylene set point, i.e. 5 ppm. setting method Example : The CO2 on the display is.5, whereas the actual CO2 is.52. You will need to set the CO2 probe calibration mode to.2, which means that once out of the programming mode, the CO2 will show.52 (.5+.2). 7 PROBE CAL. << ETH : PPM" Function : To set probe calibration for Ethylene. To change Evap Differential PPM Function : To set differential for RH. Example : Differential for RH, If Differential of RH set to 2 and set point of RH set to 85. then when RH goes to and below (85 2 ) Humidifier will ON and will turn OFF when RH reached to and above RH set point, i.e. 85. In time it may be possible that the display may be offset by a percentages or so. To compensate for this error, you may need to add or minus the percentages required to achieve the correct CO2. ting value is from. to +.. In time it may be possible that the display may be offset by a PPM or so. To compensate for this error, you may need to add or minus the PPM required to achieve the correct Ethylene. ting value is from PPM to + PP Example : The Ethylene on the display is 5PPM, whereas the actual Ethylene is 52PP You will need to set the Ethylene probe calibration mode to 2PPM, which means that once out of the programming mode, the Ethylene will show 52PPM (5PPM + 2 PPM). Differential between cut out and cut in percentage can be set between to 2. Function : To set probe calibration for CO2. To change PROBE CAL Function : To set differential for ethylene. To change DIFFERENTIAL ETH Differential between cut out and cut in PPM can be set between PPM to 2PP PROBE CAL. << TEMP : C" To change PROBE CAL. TEMP. parameter, press the set key. 8 C Function : To set probe calibration for Temperature. In time it may be possible that the display may be offset by a temperature or so. To compensate for this error, you may need to add or minus the temperature required to achieve the correct temperature. ting value is from to + C. Example : The temperature on the display is 5C, whereas the actual temperature is 52C. You will need to set the temperature probe calibration mode to 2C, which means that once out of the programming mode, the temperature will show 52C (5C + 2C). 2

setting method PROBE CAL. << RH : ' " To change Coil Probe Cal. 9 Function : To set probe calibration for RH. In time it may be possible that the display may be offset by a percentage or so. To compensate for this error, you may need to add or minus the percentage required to achieve the correct RH percentage. ting value is from to +. 2 RESTART DLY << SV : Sec" setting method To change RESTART DLY SV 8 6 Sec Example : The percentage RH on the display is 5, whereas the actual percentage RH is 52. You will need to set the RH probe calibration parameter to 2, which means that once out of the programming mode, the RH will show 52 (5 + 2 ). 2 RESTART DLY << FAN : Sec" To change RESTART DLY FAN 8 6 Sec Function : To set relay restart time for fan. This parameter is used to protect the relay from restarting in a short period of time and can be set between to 8 seconds. Example : If this parameter is set at 6 secends, the relay will cut off at the set point, but will not restart for a minimum of 6seconds, even if the differential is achieved earlier. This parameter is good to protect the life of the load on relay or even in applications where the probe is placed at places where there are sudden & short changes in CO2, like above a cold room door. 3 Function : To set relay restart time for solenoid valve. This parameter is used to protect the relay from restarting in a short period of time and can be set between to 8 seconds. Example : If this parameter is set at 6 seconds, the relay will cut off at the set point, but will not restart for a minimum of 6seconds, even if the differential is achieved earlier. This parameter is good to protect the life of the load on relay or even in applications where the probe is placed at places where there are sudden & short changes in ethylene, like above a cold room door. 22 RESTART DLY << HUMID. : Sec" To change RESTART DLY HUMID parameter, press the set key. 8 6 Sec Function : To set relay restart time for humidity. This parameter is used to protect the relay from restarting in a short period of time and can be set between to 8 seconds. Example : If this parameter is set at 6 seconds, the relay will cut off at the set point, but will not restart for a minimum of 6 seconds, even if the differential is achieved earlier. This parameter is good to protect the life of the load on relay or even in applications where the probe is placed at places where there are sudden & short changes in RH, like above a cold room door. 4

setting method ETHYL. DOSING << TIME : Hr" To change ETHYL. DOSING TIME parameter, press the set key. 23 48 24 24 Hrs CO2 CONTROL << "TIME : Hr" Function : To set time duration for ethylene control. This is time duration for which ethylene dosing is done for ripening system. SV control action is activated during this period to achieve ethylene set point. 25 5 72 6 6 Sec setting method ETHYL. SV OFF << TIME : Hr" To change ETHYL. SV OFF TIME parameter, press the set key. 23 26 5 6 Hrs FAN ON << TIME : " To change FAN ON TIME 27 Function : To set On duration for SV when ethylene probe fail or disable. To change ETHYL. SV ON TIME parameter, press the set key. Function : To set OFF duration for SV when ethylene probe fail or disable. This parameter used to set OFF time for SV when ethylene sensor disbale and SV works on ONOFF logic to maintain ethylene ppm in chamber Function : To set time duration for CO2 control. Hrs ETHYL. SV ON << "TIME : Sec" Note : Process hours = Ethylene dosing + Co2 control hours. To change CO2 CONTROL TIME This is time duration for which CO2 will control and monitor in the ripening chamber, Fan control action (Ventilation) activated during this period. This parameter used to set ON time for SV when ethylene sensor disable. Controller works on ONOFF logic. SV operate on this ON OFF duration to maintain ethylene ppm in the ripening chamber. 6 5 Function : To set On duration for fan when Co2 probe fail or disable. This paarmeter used to set ON time for FAN when co2 sensor disable, and fan works on ONOFF logic to control co2 percentage in chamber. Example : If this parameter is set to 2 minutes and CO2 OFF time set to 4 hours then after every 4 hours Fan will be ON for 2 minutes. Example : If this parameter is set to 6 seconds and SV OFF time set to 4 hours then after every 4 hours SV will be ON for 6 seconds. 5 6

setting method FAN OFF << TIME : Hr" To change FAN OFF TIME parameter, press the SET key. 28 5 6 Hrs DATE(DD/MM/YY)<< SET : XX/YY/ZZ To change DATE(DD/MM/YY) SET parameter, press the SET key. 29 Function : To set OFF duration for fan when Co2 probe fail or disable. This parameter used to set OFF time for FAN when co2 sensor disable, and fan works on ONOFF logic to control co2 percentage in chamber. used to set date month and year RTC setting. setting method SENSOR LOGIC << "CO2" To change SENSOR LOGIC Co2 parameter, press the SET key. 3 DISABLE ENABLE ENABLE Function: To set RTC date/month/year. SENSOR LOGIC << "ETH" To change SENSOR LOGIC ETH parameter, press the SET key. DISABLE ENABLE ENABLE TIME(HH/MM/SS)<< SET : XX/YY/ZZ To change TIME (HH/MM/SS) parameter, press the SET key. 3 Function: To set RTC time hours/minutes/seconds. Used to set sensor enable or disable, when enable display will show sensing When disable display will blank. Function : To activate ethylene sensor. Used to set sensor enable or disable, when enable display will show sensing When disable display will blank. SENSOR LOGIC << "TEMP" To change SENSOR LOGIC TEMP. parameter, press the SET key. 33 Used to set hours minuts, and seconds. RTC setting. 32 Function : To activate CO2 sensor. Function : To activate temperature sensor. DISABLE ENABLE ENABLE 7 8

setting method SENSOR LOGIC << "RH" To change SENSOR LOGIC RH parameter, press the SET key. 34 DISABLE ENABLE ENABLE Function : To activate RH sensor. Used to set sensor enable or disable, when enable display will show sensing When disaable display will blank. setting method PROCESS START << SET To change PROCESS START SET parameter, press the SET key. 37 4 Hrs Function : To set ethylene process start delay. Used to set ethylene process start delay. Ethylene dosing start when temperature achieved (temperature set point), or process start hrs whichever condition acheived first. Function : To set power on alarm ALARM DELAY << delay. SET To change ALARM DELAY SET parameter, press the SET key. Used to set power on alarm delay. After power on system will not generate alarm for this duration. 38 35 DIGITAL INPUT << SET Function: To set digital input logic. To change DIGITAL INPUT SET Added for future development. parameter, press the SET key. Not implemented/ applicable. DISABLE HIGH DISABLE 6 UNIT ID << SET To change ID parameter, press the SET key. 39 ALARM << SET To change ALARM SET parameter, press the SET key. 36 DISABLE ENABLE ENABLE 9 Function : To activate alarm relay. Used to set Alarm relay enable or disable. 64 Function : To set ID. This parameter is used to set the ID of the device. Added for future development. Not implemented/ applicable. 2

setting method KEYPAD LOCK << SET To change KEYPAD LOCK 4 Disable Enable Enable Function: To lock keypad. This parameter can lock the keypad so that tampering is not possible by bystanders. Disable = keypad unlocked Enable = keypad locked When locked all parameters can only be viewed, but not modified. RESTORE FACT. << SET To change RESTORE FACT 4 No Yes 36 No EP To end programming 2 Function : To restore default settings of the controller. When set to Yes all parameters are programmed to factory values. Useful to debug setting related problems. Technical Data Housing Front Cover Dimensions Mounting Connection : ABS Plastic. : Red Ploycarbonate plastic. : Length 227mm, Width 2mm, Depth 93 mm : Panel/Wall mounting with screws. : Screw terminal blocks. 2.5sq mm one wire/terminal only. Display : 7 Segment LED display. Data Storage : NonVolatile EEPROM Memory. Power Input (Options) : 23Vac +/, 56Hz, Other on request. Operating Temp : 5C to 5C(noncondensing). Storage temp : 2C to 7C(noncondensing). Relay Output : 4 NO., A/25Vac. O Input : Temperature sensor : NTC(5 C), CO2 sensor : 42mA,. Ethylene sensor : 42mA, 999ppm. Humidity sensor : 42mA, 99 RH. Resolution : Co2 :. Ethylene : ppm RH : Temperature : C. Probe Tolerance at 25C : +/.3C. Function: To end programming. Once the SET key is pressed, the control goes into the normal mode and displays the temperature and all settings are recorded. 22

Controller Controller should be installed in a place protected by vibration, water and corrosive gasses and where ambient temperature does not exceed the values specified in the technical data. 2 Vac Suggested wiring Diagram 3 5 4 To give a correct reading, the probe must be installed in a place protected from thermal influences, which may affect the temperature to be controlled. 7 6 Caution 9 8 WIRING : The probe and its corresponding wires should never be installed in a conduit next to control or power supply lines. The electrical wiring should be done as shown in the diagram. The power supply circuit should be connected to a protection switch. The terminals admit wires of upto 2.5sq mm. ALARM C NO FAN HUMIDIFIER SV C NO C NO C NO Probe CO 2 4 ETHYLENE 5 6 7 8 9 2Vdc ETHYLENE GND 2 GND PHASE RH 22 5Vdc 23 NEUTRAL CO 2 PROBE Maintenance : Cleaning : Clean the surface of the controller with a soft moist cloth. Do not use abrasive detergents, petrol, alcohol or solvents. 2 GND RH INPUT 3 2 WARNING : Improper wiring may cause irreparable damage and personal injury. Kindly ensure that wiring is done by qualified personnel only. 24

Notice The information in this document is subject to change in order to improve reliability, design or function without prior notice and does not represent a commitment on the part of the company. In no event will the company be liable for direct, indirect, special, incidental or consequential damage arising out of the use or inability to use the product or documentation, even if advised of the possibility of such damages. No part of this manual may be reproduced or transmitted in any form or by any means without the prior written permission of the company. Disclaimer This manual & its contents remain the sole property of A.S.Controls Pvt.Ltd., India and shall not be reproduced or distributed without authorization. Although great care has been taken in the preparations of this document, the company or its vendors in no event will be liable for direct, indirect, special, incidental or consequential damage arising out of the use or inability to use the product or documentation, even if advised of the possibility of such damages. No part of this manual may be reproduced or transmitted in any form or by any means without the prior written permission of the company. A.S.Controls Pvt.Ltd. reserves the right to make and changes or improvements without prior notice. OUR OTHER PRODUCTS INDIA Cold Room Controller Chiller Controller Two Compressors Controller Heating Controller Humidity Controller Pressure Controller TM Warranty This product is warranted against defects in materials and workmanship for a period of one year from the date of purchase. During the warranty period, product determined by us to be defective in form or function will be repaired or, at our option, replaced at no charge. This warranty does not apply if the product has been damaged by accident, abuse, and misuse or as a result of service or modification other than by the company. This warranty is in lieu of any other warranty expressed or implied. In no event shall the company be held liable for incidental or consequential damages, such as lost revenue or lost business opportunity arising from the purchase of this product. 25 Ball Valves Globe Valves Hand Valves Flow Switches Solenoid Valves / 29.2.2