Dixi XWA11V User's Manual
Contents
1. Digital inputs 2 free voltages Relay outputs Dry Contacts Light relay SPST 16A 120Vac Alarm relay SPST 8A 120Vac Other output alarm buzzer Data storing on the non volatile memory EEPROM Measuring and regulation range NTC probe 40 110 C 58 230 F Resolution 1 F Accuracy 1 F 12 CONNECTIONS f Wi a AWO0 TAA 500 yore supply 120 Power supply 120Vac 10 15A MAX current Full P N Ambient Temp RH THH455 C Vid R H 20 85 LAAT AWOOTAAS 00 LESTED REFRIGERATION COMTROLLER LPH Date Code Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com dixell Operating Instructions XWA11V 1598008200 13 PARAMETER MAP COOLER VALUES FREEZER DEFAULT VALUES 12 0 C lt gt 12 0 C 21 lt gt 21 F Thermostat probe calibration Temp measurement unit Resolution only C 2 cr 2 ae in 0 lt gt 255 sec High Temp alarm setting r2 E C ALL lt gt 150 0 ri C 50 0 lt gt ALU Low Temp alarm setting ri F 58 lt gt ALU F ALL lt gt 302 0 1 C lt gt 25 5 C Temp alarm differential ALd Temp alarm delay Delay of Temp alarm at start up gt a5 1 F lt gt 45 F 0 lt gt 24 0 Hrs 10 min 0 lt gt 255 min Pr2 OP CL EAL dor dFr Lit Digtalinput2 poariy a re r aa naem of o ee ossa input a2. is reached and after the ALd delay time the LA alarm is enabled AFH T alarm differential 0 1 25 5 C 1 45 F differential for T alarm Set Point and fan regulation Set Point always a positive value ALd T alarm delay 0 255 min time interval between the detection of an alarm condition and the corresponding alarm signaling dAO Delay of T alarm at start up Qmin 23h 50min time interval between the detection of the T alarm condition after the instrument power on and the alarm signaling EdA Alarm delay at the end of defrost 0 255 min Time interval between the detection of the T alarm condition at the end of defrost and the alarm signaling dot Delay of T alarm after closing the door 0 255 min Time delay to signal the T alarm condition after closing the door LHt Light timer 0 255 min The time the light will stay on after pressing the light switch on the keyboard doA Open door alarm delay 0 255 min delay between the detection of the open door condition and its alarm signaling the flashing message dA is displayed oA1 First relay configuration 14 15 ALr alarm LHt light onF on off relay oA2 Second relay configuration 14 16 ALr alarm LHt light onF on off relay AOP Alarm relay polarity cL closing contacts oP opening contacts i1P Digital input 1 polarity 1 2 CL the digital input is activated by closing the contact OP the digital input is activated by opening the contact i1
3. 0 ALARM SIGNALS Message Mode Cause _ Outputs __ HA EA Alternated with temp External alarm Alarm output ON Alternated with temp Serious external alarm Alarm output ON Alternated with temp Defrost is running Not changed The alarm message is displayed until the alarm condition is reset Alternated with temp Door switch alarm Alarm output ON Silencing buzzer Once the alarm signal is detected the buzzer can be silenced by pressing the UP key 10 1 ALARM RECOVERY Probe alarms P1 probe1 faulty P2 they automatically stop 10s after the probe restarts normal operation Check connections before replacing the probe T alarms HA and LA automatically stop as soon as the thermostat T returns to normal values or when the defrost starts Door switch alarm dA stops as soon as the door is closed External alarms EAL BAL stops as soon as the external digital input is disabled Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com 5 dixell Operating Instructions XWA11V 1598008200 Housing self extinguishing ABS Case face 100x64 mm depth 45 5mm Mounting J box or wall mount option Frontal protection IP65 Connections fast on for power 1 8 fast on for probes and Digital Inputs Power supply 120Vac 10 optional 230Vac 10 Power absorption 4VA max Display 3 digits red LED 14 2 mm high Inputs 1 NTC probe
4. L Door switch to turn light ON 1 2 y no To turn the light ON automatically when the door is open The light will turn off based on LHt Keyboard switch must be turned ON first i1F Digital input 1 operating mode 1 2 EAL external alarm dor door switch dFr A defrost is running LHt keep light ON signal from occupancy sensor override LHt i2P Digital input 2 polarity 1 3 CL the digital input is activated by closing the contact OP the digital input is activated by opening the contact i2F Digital input 2 operating mode configure the digital input function EAL External alarm PAn Panic alarm dFr A defrost is running LHt Keep light ON signal from occupancy sensor override LHt did Time interval delay for digital input alarm 0 255 min If I2F EAL or PAn external alarms did parameter defines the time delay between the detection and the successive signaling of the alarm tbA Alarm relay amp Buzzer disabling y no Pbc Type of probe PTC NTC dP1 Probe 1 T rEL Software release for internal use Ptb Parameter table code read only Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com
5. ST LEVEL AND VICEVERSA Each parameter present in the HIDDEN MENU can be removed or put into THE FIRST LEVEL user level by pressing SET down In HIDDEN MENU when a parameter is present in First Level the decimal point LED is on 5 3 HOW TOLOCK THE KEYBOARD EN 1 Keep pressed for more than 3s the UP and DOWN keys 2 The POF message will be displayed and the keyboard will be locked At this point it will be possible only to see the Set Point or the MAX o MIN Temp stored 3 If a key is pressed more than 3s the POF message will be displayed 5 4 TO UNLOCK THE KEYBOARD Keep pressed together for more than 3s the UP and DOWN keys The PON message is displayed LIGHT MANAGEMENT 6 1 TIMED REGULATION HL Y With i1L y the light remains on at least for the LHt parameter The LHt timer is re initialized every time the light button is pushed With LHt 0 the light remains on until the light button is pushed again The light is switched on every time one of the following conditions happens e the door is open i1F dor e the presence sensor is activated i2F LHt e the light button is pushed The light is switched off when all the following conditions happen e the LHt timer is exhausted e the door is closed i1F dor e the presence sensor is de activated i2F LHt e Light button regulation i1L n The light button has a higher priority than digital inputs therefore if the light was switc
6. Select the required parameter By using the UP or DOWN KEY 3 Press the SET key to display its value now only the LED is blinking 4 Use UP or DOWN to change its value Press SET to store the new value and move to the following parameter To exit Press SET UP or wait 15 s without pressing a key NOTE the set value is stored even when the procedure is exited by waiting the time out to expire 5 2 THE HIDDEN MENU PR2 The hidden menu includes all the parameters of the instrument 5 2 1 HOW TO ENTER THE HIDDEN MENU PR2 Enter the Programming Mode by pressing the Set down key for 3s X and starts blinking 2 When a parameter is displayed release and re press the SET down for more than 7s 3 The Pr2 label will be displayed immediately followed from the HY parameter NOW YOU ARE IN THE HIDDEN MENU 4 Select the required parameter as above 5 Press the SET key to display its value Now only the LED is blinking 6 Use UP or down to change its value 7 Press SET to store the new value and move to the following parameter To exit Press SET up or wait 15s without pressing a key NOTE the set value is stored even when the procedure is exited by waiting the time out to expire Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com dixell Operating Instructions XWA11V 5 2 2 HOW TO MOVE A PARAMETER FROM THE HIDDEN MENU TO THE FIR
7. connecting the instrument Do not expose the back of the instrument to water or moisture use the controller only within the operating limits avoiding sudden temperature changes with high atmospheric humidity to prevent the formation of condensation e Warning disconnect all electrical connections before performing any maintenance operation Fit the probe where it is not damaged by the end user The instrument must not be opened In case of failure or faulty operation send the instrument back to the distributor see address with a detailed description of the fault e Consider the maximum current that can be applied to each relay see Technical Data Ensure that the wires for probes loads and the power supply are separated and far enough from each other without crossing or intertwining 3 INTERFACE ei ie KEY FRONT PANEL OPERATION In Programming Mode press to select a parameter or to confirm an operation set Press and hold this key for more than 5 s to turn the controller OFF Press and hold this key for more than 1 s to turn the controller back ON oy Press to see the HIGH Temp ALARM ALU parameter HIGH amp Press to see the LOW Temp ALARM ALL parameter LOW Ka In Programming Mode press to browse parameter codes Aa Press to increase the displayed value Press to mute the buzzer relay when an ALARM is happening Hot key programming with the instrument on insert the hot key and then press the UP button EA In Programmi
8. dixell Operating Instructions XWA11V 1598008200 XWA11V Walk In Temp Door Alarm Light Module O O 1 GENERAL DESCRIPTION Model XWA11V 100x64 mm format is a microprocessor based controller suitable for temperature monitoring and alarming in a walk in cooler or freezer It is provided with two 2 Dry Contacts to control lights and an external alarms It is provided with one 1 NTC probe input for temperature measurement The unit has 2 Digital Inputs one for a Door Switch and the 2 as an optional Panic Switch See the catalog for optional accessories One 5Pin Input allows the user to program the parameter list with a Hot Key see section 9 Note The default settings are listed in the back of this manual They are set for Coolers Medium Temp For Freezers Low Temp you MUST Change the ALL and ALU settings See Section 4 0 2 GENERAL WARNINGS 2 1 N PLEASE READ BEFORE USING THIS MANUAL e This manual is part of the product and should be kept close to the instrument for easy and quick reference e The instrument shall not be used for purposes different from those described hereunder It cannot be used as a Safety device e Check the application limits before proceeding Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com dixell Operating Instructions XWA11V 1598008200 2 2 A SAFETY PRECAUTIONS Check if the supply voltage is correct before
9. hed on by button the digital input can not modify its status if the light was switched on by digital input the light button can modify its status 7 INSTALLATION AND MOUNTING 7 1 MOUNTING OF XWA11V PR10000 The XWA11V must be mounted on vertical N panel in a J Box or wall mount using the VS BOX2 The Ambient Temp range for correct operation is 32 140 F Avoid installation in places subject to strong vibrations corrosive gases excessive dirt or humidity The same recommendations apply to probes 8 ELECTRICAL CONNECTIONS The instrument is provided with screw terminal blocks to connect cables with a cross section up to 2 5 mm for the digital and analog inputs Relays and power supply have a Fast on connection 6 3mm Heat resistant cables have to be used Before connecting cables make sure the power supply complies with the Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com dixell Operating Instructions XWA11V 1598008200 instrument requirements Separate the probe cables from the power supply cables from the outputs and the power connections Do not exceed the maximum current allowed on each relay and in case of heavier loads use a suitable external relay N B Maximum current allowed for all the loads is 15A 8 1 PROBE CONNECTIONS The probe shall be mounted with the bulb upwards to prevent damages due to casual liquid infiltration It is recommended t
10. larm Pr2 0 lt gt 255 min tba Aarmrelay aisan nf n e ny ap ReaiTeProoe1 o d e probe value Pr2 rEL FW release Pr2 read only Pio Pparametermap e Alarm delay at the end of defrost Delay of Temp alarm after closing the door LHt Light timer Open door alarm delay First relay configuration Second relay configuration Alarm relay polarity i1P Digital input 1 polarity o e e e n m P co P yy y e o 2 30 30 Pri 0 lt gt 255 min 15 15 P s s P s 15 P s 15 P ar oar P t at P o o e op oP TE dor dor CL cL an An Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com dixell Operating Instructions XWA11V 1598008200 Ot Thermostat probe calibration 12 0 12 0 C 21 21 F allows to adjust possible offset of the thermostat probe CF T measurement unit C Celsius F Fahrenheit When the measurement unit is changed the Set Point and the values of some parameters have to be modified rES Resolution for C in 1 C dE 0 1 C allows decimal point display Ut Display update The time delay of the T readout 0 255s onF Off function enabling n off function disabled y off function enabled ALU High T alarm setting ALL 150 C or 302 F when this T is reached and after the ALd delay time the HA alarm is enabled ALL Low T alarm setting 50 C or 58 F ALU when this T
11. ng Mode press to browse parameter codes Press to decreases the displayed value Switch ON and OFF the light of the cold room KEY COMBINATIONS PRESS SIMULTANEOUSLY AYA To lock and unlock the Keyboard v set To enter the Programming Mode Weiss Instruments Inc 905 Waverly Ave Holtsville NY 11742 631 207 1200 www weissinstruments com gt dixell Operating Instructions XWA11V 1598008200 eres Ea To exit the Programming Mode QY To enter a new value for the HIGH Temp ALARM ALU Ea HIGH E 3 1 USE OF LEDS Each LED function is described in the following table mo f Famn OOOO To enter a new value for the LOW Temp ALARM ALL ee C O Celsius degrees operation Fahrenheit degrees operation 4 TEMP ALARMS SETTING 4 1 HOW TO SET THE MIN TEMPERATURE ALARM To modify the minimum LOW Temp ALARM hold the EJ keys pressed for 3 s until the minimum Temp alarm is displayed Change the value using the UP and DOWN keys Press the SET key to confirm the new value and exit 4 2 HOW TO SET THE MAX TEMPERATURE ALARM To modify the max HIGH Temp ALARM hold the EJ keys pressed for 3 s until the max Temp alarm is displayed Change the value using the UP and DOWN keys Press the SET key to confirm the new value and exit 5 PROGRAMMING 5 1 HOW TO CHANGE A PARAMETER VALUE MAIN MENU 1 Enter the Programming Mode by pressing the SET and DOWN key for 3s and will start blinking 2
12. o place the thermostat probe away from air streams to correctly measure the average room temperature The probe can be extended up to 300 ft Check calibration when running long lengths over 100ft 9 USE OF THE PROGRAMMING HOT KEY 9 1 HOW TO PROGRAM A HOT KEY FROM THE INSTRUMENT UPLOAD 1 Program one controller with the front keypad 2 When the controller is ON insert the Hot key and push UP key the uPL message appears followed a by flashing End 3 Push SET key and the End will stop flashing 4 Turn OFF the instrument remove the Hot Key then turn it ON again NOTE the Err message is displayed for failed programming In this case push again o key if you want to restart the upload again or remove the Hot key to abort the operation 9 2 HOW TO PROGRAM AN INSTRUMENT USING A HOT KEY DOWNLOAD 1 Turn OFF the instrument 2 Insert a programmed Hot Key into the 5 PIN receptacle and then turn the Controller ON 3 Automatically the parameter list of the Hot Key is downloaded into the Controller memory the doL message is blinking followed a by flashing End 4 After 10 seconds the instrument will restart working with the new parameters 5 Remove the Hot Key NOTE the message Err is displayed for failed programming In this case turn the unit off and then on if you want to restart the download again or remove the Hot key to abort the operation 1
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