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Product Manual, Issue 8

CMS100

www.nexo.com

Page 34

Display

Statistic

Description

Lowest temperature

Lowest temperature measured by the appliance sensor during

the last 24 hours.

Motion counts

Total number of motion counts since first powered up or last

full reset

Saving temperature

disable

Value of the standby temperature disable PEr parameter.

Possible values are: OFF or ON.

OFF = Saving temperature disable is switched off.

ON = Saving temperature disable is switched on.

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Summary of Contents for CMS100

Page 1: ...CMS100 PRODUCTMANUAL Issue 8 ...

Page 2: ...2017 All Rights Reserved All information in this document is property of Elstat Ltd Commercial use and distribution of the contents of this publication is not allowed without express and prior written consent of Elstat Ltd ...

Page 3: ...ental ratings 12 2 ACCESSORIES 2 1 Temperature sensors 13 2 2 Door switch 15 2 3 Motion sensor 17 2 4 Transformer 18 3 USER GUIDE 3 1 Power up sequence 19 3 2 Function buttons 19 3 3 GDC Firmware menus 20 3 4 The menu arrangement 21 3 5 Menu access 22 3 6 Test routines tSt 22 3 7 Viewing the last three cooler faults witnessed by the controller FLt 30 3 8 Half reset Hr 31 3 9 Viewing statistics 33 ...

Page 4: ...itch Broken Alarms 39 5 3 Door Broken Alarms 39 5 4 Appliance Sensor Alarms 39 5 5 Condenser Sensor Alarms 40 5 6 Freeze up protection 888 40 5 7 Condenser high temperature Ht alarms 40 5 8 Other Problems 41 6 PARAMETERS 6 1 Parameters by function 43 6 2 Parameter validation 44 6 3 Parameters definition 44 7 APPROVALS 7 1 Product Approvals 57 7 2 Bluetooth Approvals 58 8 GLOSSARY OF TERMS 8 1 Acro...

Page 5: ... and other information such as defrost or teach and alarm conditions Also push buttons that enable the end users to cancel alarms and service technicians to run test routines Product temperature An appliance sensor measures temperature of the refrigeration compartment EMS controllers use the refrigeration temperature to manage the product temperature Refrigeration system high temperature alarm An ...

Page 6: ...the remote motion sensor must be installed where it can see activity Item LED Indicator Name Function Colour 1 Compressor On when the compressor is running Green 2 Evaporator fan On when the evaporator fan is running Green 3 Saving temperature disable On if the saving temperature is disabled The controller maintains the Ready mode temperatures at all times Red 4 Motion On when motion sensor detect...

Page 7: ...sor Detects motion 10 LED Display Displays the current status of the controller 11 Programmable Port Enables upload of parameters using a dongle 1 3 Overall dimensions The overall dimensions of the controller are shown in the following diagram 142 mm 127 8 mm 47 8 mm 63 mm 120 mm 41 mm 103 mm ...

Page 8: ...effectively If mounted vertically with parameter programming port close to the floor water ingress may occur If mounted too close the floor water ingress may occur at the mains or line voltage terminals Cable routing to the CMS100 controller is critical as water can trace or follow the cable downwards Therefore immediately prior to the connection to the controller a drip loop must be formed in all...

Page 9: ...Programming port cover When accessing the programming port on the controller fascia remove the rubber cover and let it hang on the attaching strap This will prevent misplacing the port cover Note Do not remove programming port cover fully Detaching the cover from the controller fascia can damage the attaching strap On completion of controller programming ensure that the programming port cover is r...

Page 10: ...relief are used to terminate these cables Use of straight connectors may exert excessive pressure on to that connector A Controller I Modem interface R Lights out B Appliance sensor J Motion sensor S Line in C RMD K 12VAC T Transformer D Evaporator sensor L Live U Evaporator fan E Door switch N Neutral V Lights F RJ45 Port M Stock product sensor W Compressor G Condenser sensor P Fan out H Display ...

Page 11: ... integration into 3rd party equipment only and should be installed according to these instructions and all relevant local electrical and safety standards 1 9 Temperature input ranges Sensor Input range C Input range F Appliance sensor 15 C to 50 C 0 5 C 5 F to 122 F 1 F Condenser sensor 50 C to 125 C 5 0 C 122 F to 257 F 10 F Evaporator sensor 15 C to 50 C 0 5 C 5 F to 122 F 1 F Note The NTC negat...

Page 12: ...rating temperature 0ºC 32ºF Housing material Black polycarbonate Food grade non contact Operating control Electronic Thermostat Construction Class II SELV electronic control Software Class Class A Limitation of operating control Continuous Action Type 1B Control pollution degree Degree 2 Rated impulse voltage Loads 2 5KV Control 330V SELV Temperature ball pressure test 160ºC PCB 125ºC Enclosure 75...

Page 13: ...e only sensors supplied by Elstat should be used The NTC thermistor is rated from 35ºC to 125ºC 31ºF to 257ºF 2 1 1 Appliance sensor The appliance sensor measures air temperature of the refrigerated compartment by measuring the return air temperature The diagram shows the recommended position of the appliance sensor The appliance sensor measures the air temperature after the air has been drawn ove...

Page 14: ...emperature when the condenser is approximately 75 blocked The temperature is then set as the value of the condenser high temperature Ht parameter Ensure that the condenser sensor is fixed using a metal pipe clip 1 or foil tape 2 as shown Elstat can supply pipe clips for 6 8 mm and 8 10 mm pipes A B C D E A Condenser hot gas pipe Condenser inlet pipe B Condenser C Compressor D Liquid pipe Condenser...

Page 15: ...es must be used with the corresponding activator Door switches are usually mounted with the door switch on the cooler and the activator on the door Both components must be fixed using counter sunk screws or bolts with the following characteristics Head countersunk maximum diameter 5 0mm 0 24in Thread maximum diameter 3 0mm 0 16in The screws must be tightened to a maximum torque of 0 5Nm 0 37lb ft ...

Page 16: ...h and the activator for open and closed doors Z X Y To mount door switches on double door coolers two door switches must be connected in series Connect two door switches in series as follows Remove the two wires from one of the connectors Be careful not to damage the terminals Remove the white wire from the second connector Again be careful not to damage the terminal Insert the white wire of the f...

Page 17: ...nto place as required by the OEM or installer The motion sensor should be mounted vertically with the connector at the bottom for optimal performance Mounting horizontally with the connector at the side results in the motion sensor being less sensitive However the motion sensor still works correctly The motion sensor must not be located behind any material such as glass or polycarbonate For a moti...

Page 18: ... 36 mm 14 2 mm 20 5 mm 20 5 mm 10 2 mm 12 2 mm Overall dimensions of the motion sensor Dimensions of the mounting holes Sample of a mounted motion sensor 2 4 Transformer The CMS100 Nexo controller is powered up via the transformer that is available in two options 120VAC 50 60Hz 12VAC Transformer 230VAC 50 60Hz 12VAC Transformer ...

Page 19: ...orward selects menu options and parameters Use as part of the controller password Selects menu options Selects parameters for change Use in the test routine Defrost Activates a manual defrost only applicable if temp is below termination temp Use as part of the controller password Use to de select menu options return Use in the test routine Up Scrolls up menus Increases parameter values Use as part...

Page 20: ...ays the parameters and the parameter values Test routine Enters the test routine that tests the relays temperature sensors door switch and motion sensor Faults Displays the last three faults alarms Half reset Clears the self learning matrix Full reset Resets the parameters settings to the global default values and clears the self learning matrix and statistics Elstat use only Data dump Downloads d...

Page 21: ...ach of the sub menu headings there is a list for further options Selecting PS enters the parameter list and from here parameters and their values can be viewed checked and amended as required Selecting t St the test menu allows the three test routines to be carried out Unlike previous versions of the ems it is now possible to simply carry out the test required without having to perform all three S...

Page 22: ...the Up button once x 1 7 Press the Defrost button twice x 2 8 The display shows 3 6 Test routines tSt The test routine tests the following All load relays Analogue inputs temperature sensors and door switch Motion sensor Should a problem be suspected with CMS100 Nexo controller it is recommended that the test routine is carried out before disconnecting or replacing the controller The test routine ...

Page 23: ...sible to select which test to use Using the Up and Down buttons to scroll between tests Set to select the test required and Defrost to return to the test menu 3 6 2 The relay rEL test The relay test is used to test the function of the relays within the controller and can also be used to diagnose problems with the cooler components such as compressor and lights before beginning work on the cooler S...

Page 24: ...mpressor LED is on Press Compressor relay disengaged Compressor stopped running and compressor LED is off Press Press Defrost to return to the relay test menu Follow the routine below for Light Action Button Display Test Check Press Light Press Select light Press Light relay engaged Cooler lights are on Press Light relay disengaged Cooler lights are off Press Press Defrost to return to the relay t...

Page 25: ...an and the fan LED is on Press Fan relay disengaged Evaporator fan and the fan LED is off Press Press Defrost to return to the relay test menu Follow the routine below for Buzzer Action Button Display Test Check Press Buzzer Press Select buzzer Press Buzzer engaged Buzzer sound is on Press Buzzer disengaged Buzzer sound is off Press Press Defrost to return to the relay test menu ...

Page 26: ...experienced service personnel and repeated switching should be avoided due to inrush currents 3 6 3 The analogue input AnA test The analogue input test checks the connection between sensors and the controller are sound Performing this test before starting work on the cooler can diagnose any loose connections or sensor probe faults Step Action Display 1 Press Defrost to return to the test menu 2 Fr...

Page 27: ...Defrost to return to the analogue input test menu Press Door switch Press Door is open dO or closed CLO Opening and closing the door should make the display alternate between the two messages Press Press Defrost to return to the analogue input test menu Press Condenser sensor input Press Condenser sensor temperature Displayed temperature is as expected Press Press Defrost to return to the analogue...

Page 28: ... to the analogue input test menu Press For future use Stock sensing hardware currently unavailable 3 6 4 The motion sensor PIr test The motion sensor test checks that the PIR Passive Infra red sensor is picking up activity Step Action Display 1 Press Defrost to return to the analogue input test menu 2 Press Defrost to return to the test menu 3 From the test menu Press the Down button to scroll to ...

Page 29: ... the motion sensor test Place your hand about 300mm from the motion sensor Move your hand from left to right Check for the following The display count increments for each detected movement The motion LED flashes for each detected movement Press Press the Defrost button to exit the test Press Press the Defrost button to return to the test menu ...

Page 30: ...display shows 3 Enter the appropriate password to access the menu 4 The display shows 5 Press the Down button and scroll to FLt 6 The display shows 7 Press the Set button to select The last three faults or alarms to occur are displayed For example A condenser high temperature alarm has occurred An appliance sensor alarm has occurred A Condenser Sensor alarm has occurred Note The alarms may have be...

Page 31: ...e when it is expected to be in ready mode The cooler does not appear to be going into the saving mode when expected A half reset will not Adjust change or alter any of the parameters or their values as set by the OEMs or Brands Fix any issues with cable connection Step Action Display 1 Press the Set button 2 The displays shows 3 Enter the button sequence of the main menu entry password 4 Press the...

Page 32: ...anual Issue 8 CMS100 www nexo com Page 32 Step Action Display 11 Press the Up button to change nO to yES 12 Press the set button to perform half reset The controller should reset and begin the power up sequence ...

Page 33: ...ultaneously Statistics include door opening compressor cycles and activity counts The controller then scrolls through the statistics pausing for 20 seconds at each statistic before returning to normal operation The 3 digit display can show values from 0 to 999 For values of 1000 and above the display shows the value as a rounded decimal number For example 1 1 represents 1100 1 2 represents 1200 an...

Page 34: ...he appliance sensor during the last 24 hours Motion counts Total number of motion counts since first powered up or last full reset Saving temperature disable Value of the standby temperature disable PEr parameter Possible values are OFF or ON OFF Saving temperature disable is switched off ON Saving temperature disable is switched on ...

Page 35: ...e and manages various operational functions of the cooler it serves to prevent faults from becoming critical to the cooler for example over working of the compressor The limp home functionality has been added to the CMS100 Nexo controller in order to allow time for the end user to contact a service engineer in the event of any such problems occurring while preventing damage to major cooler compone...

Page 36: ...essor rest time parameter begins 4 In normal operation if DIS parameter is set to 1 the controller display will alternate between In normal operation if DIS parameter is set to 0 the controller display will alternate between 5 In saving mode the controller display will alternate between 6 The compressor switches on when the SP set point and dIF differential are exceeded 7 The compressor runs for a...

Page 37: ...ay alternates between PF2 and the appliance sensor temperature indicating a fault Note Sensor faults may also be identified by using the input test within the test routines tSt 4 5 Appliance sensor alarms The limp home aspect of this alarm ensures that the cooler continues to operate with limited disruption to the end user The cooler will operate cooling the products while a service engineer visit...

Page 38: ...sor cycle compressor switches ON or OFF if the buzzer is enabled In Ready mode In Saving mode While the controller displays the above the controller is managing the compressor and the fans The compressor cycles fifteen 15 minutes off then five 5 minutes on The fan switches on with the compressor on cycle then cycles when the compressor is in the off cycle as set by the FCO fan cycle on and FCF fan...

Page 39: ... the door switch The door switch input on the controller is in working order The controller should only register door open do when an open circuit is seen on the door switch input 5 3 Door Broken Alarms The controller has detected a problem with the door please check The door of the cooler is fully closed and able to be fully closed after each opening The door switch is properly connected to the d...

Page 40: ...o the appliance input on the controller The correct positioning of the appliance sensor An adequate DTT parameter setting has been selected when taking into account the cabinets temperature settings The appliance sensor is reading the correct temperature Temperature versus resistance Thermistor is Negative Temperature Coefficient NTC The appliance input on the controller is in working order The co...

Page 41: ...re electrical connection from the output of the controller to the evaporator fan Ensure the fan motor is in working order including fuse protection if fitted Ensure the fan blades are free from obstruction Ensure the evaporator fan belt is not loose and or worn out 5 8 3 The compressor does not switch ON OFF as expected Note Enter the service mode via the APP or the In code test routine via the fr...

Page 42: ...Product Manual Issue 8 CMS100 www nexo com Page 42 ...

Page 43: ...Parameters by function Temperature Celsius or Fahrenheit CF Set point SP and Differential dIF Saving set point SSP Saving differential Sd and Saving temperature disable PEr Appliance sensor calibration 1 CA1 Operation Saving restart Sr Delay to saving mode dS Freeze up protection dtt Compressor rest time rt Defrost Defrost interval dE and Defrost duration dd Defrost termination temperature dtd Uni...

Page 44: ... two clashing parameters and three beeps of the buzzer The controller will display the clashing parameters when the back button is pressed just before byE is displayed and the controller reboots when exiting the parameter listings The controller will only display one broken rule at a time even if all rules are broken Priority order as above 6 3 Parameters definition 6 3 1 Set point SP Display Desc...

Page 45: ...es measured on the appliance sensor Range 4 0 to 4 0 C 7 to 7 F Global default 0 0 C 0 F 6 3 4 Compressor rest time rt Display Description Defines the minimum time between compressor cycles The compressor rest time ensures that the pressures in the refrigeration system have time to equalize during compressor off cycles The compressor rest time rt helps to avoid the following passing peak current t...

Page 46: ...he controller switches to the Saving mode Considerations Set in multiples of 30 Should only take affect once Delay to saving dS has completed Range 0 to 120 minutes Global default 0 no delay 6 3 7 Saving restart period Sr Display Description Cooler runs at the ready mode temperatures for the duration of this period to ensure that the product is at the ready mode temperatures prior to retail outlet...

Page 47: ...Display Description Option to set the EMS controller to Celsius C or Fahrenheit F Considerations A global reset sets EMS controllers using Fahrenheit F to Celsius C Applies to all temperature settings and values Range 0 C or 1 F Global default 0 C 6 3 10 Saving differential Sd Display Description Defines the compressor cut in temperature when added to the saving set point SSP temperature during th...

Page 48: ...ressor and runs the compressor continuously until the product reaches the set point SP temperature During this time defrost cycles do not occur Considerations Must be set as follows Above the saving set point SSP plus saving differential Sd temperature Above the defrost termination dtd temperature Not used on Sub Zero version Range 0 0 to 60ºC 32 to 140ºF Global default 20ºC 68ºF 6 3 13 Freeze up ...

Page 49: ...g up occurs review the values of the defrost parameters Range 0 to 199 hours Global default 6 hours 6 3 15 Defrost duration dd Display Description Defines the maximum time of a defrost cycle Considerations If icing up occurs review the values of the defrost parameters Range 1 to 199 minutes Global default 15 minutes 6 3 16 Fan cycle on FCO Display Description Defines the active period of the evapo...

Page 50: ...f so the controller does not detect door openings therefore it does not Update the self learning matrix for door activity Manage the evaporator fan for door activity Sound door alarms if the door is left open Range 0 to 30 minutes Global default 0 disabled 6 3 19 Buzzer duration b1 Display Description Defines the duration of the buzzer for door open alarm conditions If the door remains open after ...

Page 51: ...s not to concern users should the air temperature rise quickly due to a door opening Increasing the value for the display stability d2 slows the rate of change of the displayed temperature Considerations Use the global default value for normal operation Range 1 to 254 Global default 46 6 3 22 Low voltage LO Display Description Defines the minimum voltage allowed before switching off the compressor...

Page 52: ...es the maximum voltage allowed before switching off the compressor The high voltage HI values are 10 of the actual line in voltages see table below Considerations Must not be used with an external voltage stabiliser Must only be used with an Elstat supplied transformer Global default 0 disabled 110 120V line 220 240V line voltage HI voltage HI Disabled 0 220 22 120 12 230 23 130 13 240 24 140 14 2...

Page 53: ...ature measured in the refrigeration system by monitoring the condenser sensor On reaching the condenser high temperature Ht the controller disables the compressor and activates an alarm Considerations Is not used with CO2 R744 coolers Requires a condenser sensor To set the condenser high temperature Ht measure the refrigeration system temperature when the condenser is 75 blocked To disable set bel...

Page 54: ...ncy If power is lost during the 48 hour period the controller restarts the 48 hour period The controller must complete the 48 hour period to determine the activity frequency before starting the 1 day or 7 day learning period 6 3 27 Fan set point FSP Display Description Prevents excessive condensation on the evaporator in environments where warm and presumed humid air is present by operating the ev...

Page 55: ...sound the buzzer as standard Range 0 disabled or 1 enabled Global default 1 enabled 6 3 29 Saving temperature disable PEr Display Description Disables the saving mode temperatures so that the controller maintains the Ready mode temperatures at all times Disabling the Saving mode temperatures does not affect the light functionality Considerations None Range 0 off or 1 on Global default 0 off 6 3 30...

Page 56: ...g mode Ar Display Description Sets the cooler lights to remain on at all times for display purposes The coolers lights will remain on during saving mode Considerations Does not affect saving temperature Range 0 off or 1 on Global default 0 off 6 3 33 Shelf data enable ShF Display Description Option to allow the Nexo controller to log stock sensing data to be sent to the cloud Considerations Input ...

Page 57: ...tional Electrotechnical Commission IEC IEC60730 1 IEC60730 2 9 Glow wire IEC60335 1 North America including Canada UL mark Component Recognition UL60730 1 CSA E60730 1 UL60730 2 9 CSA E60730 2 9 Federal Communications Commission FCC FCC Part 15 107 15 109 Electromagnetic Compatibility EMC EMC EN55014 1 EN55014 2 EN61000 6 1 EN61000 6 3 EN61000 3 2 EN61000 3 3 European Telecommunications Standards ...

Page 58: ...C 729 80 Resolución SC 784 87 European Telecommunications Standards Institute ETSI EN300 328 V1 8 1 Federal Communications Commission FCC Part 15C Instituto Federal de Telecomunicaciones IFETEL NOM 121 SCT1 2009 IC Industry Canada RSS GEN RSS 102 RSS 247 Note Elstat Bluetooth Module This product is approved by ANATEL according to the procedures regulated by Resolution 242 2000 and meets applied te...

Page 59: ...roller 8 2 Controller and accessory terms The table below describes the meanings of some of the terms used frequently within the manual in relation to the controller and accessories Term Meaning Ready mode The cooler is operational and cooling products to the set point Saving mode The cooler is saving energy and cooling products to the saving set point Appliance sensor A sensor which measures the ...

Page 60: ...CMS100 Product Manual Installation set up guide Accessories User guide Troubleshooting Elstat Ltd Astra Business Centre Roman Way Preston Lancashire PR2 5AP UK www nexo com info nexo com ...

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