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manual abstract
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 2nd 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 PLEASE READ BEFORE USING THIS MANUAL • This manual is part of the product and should be kept close to the instrument for easy and quick reference. • The instrument shall not be used for purposes different from those described hereunder. It cannot be used as a safety device. • Check the application limits before proceeding. Weiss Instruments, Inc. 905 Waverly Ave. Holtsville, NY 11742 631-207-1200 dIXEL Operating Instructions XWA11V 1598003200 dIXEL Operating Instructions XWA11V 1598003200 SAFETY PRECAUTIONS • Check if the supply voltage is correct before 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. • 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. • 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 LOWHIGH KEY FRONT PANEL OPERATION In Programming Mode press to select a parameter or to confirm an operation. 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. HIGHLOW Press to see the HIGH Temp ALARM (ALU parameter) Press to see the LOW Temp ALARM (ALL parameter) In Programming Mode press to browse parameter codes. 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. In Programming 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 + + To lock and unlock the Keyboard. To enter the Programming Mode. Weiss Instruments, Inc. 905 Waverly Ave. Holtsville, NY 11742 631-207-1200 dIXEL Operating Instructions XWA11V 1598003200 dIXEL Operating Instructions XWA11V 1598003200 To exit the Programming Mode. To enter a new value for the HIGH Temp ALARM (ALU). + + HIGH + LOW To enter a new value for the LOW Temp ALARM (ALL). 3.1 USE OF LEDS Each LED function is described in the following table: LED MODE Function ON ALARM signaling ON The light is on °C ON Celsius degrees operation °F ON 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 + keys pressed for 3 s until the minimum Temp alarm is displayed. LOW • 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 + HIGH 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. 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) 1. Enter the Programming Mode by pressing the Set + down key for 3s ( 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...