DIXEL XR100C PDF

Refrigeration , Dixell. Link to this page:. Now press the SET button. The display will flash PAS andthen the left hand digit will flash. Press SET to store newsetting and move onto next parameter slabel.

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Manual zz. If no button is pressed for 15 seconds, the controller will revert to normal display. Any alteration that have been made will be stored. Use the to alter setting. The complete range of Dixell Controllers is extremely large, so only the popular models are covered here. However, the method of programming any Dixell controller is very similar across all the range. XT models can accept a range of probes but the type must be specified at time of order.

Other input types are 0 to 1v, 0 to 10v and 4 to 20mA. They can be used to control multiple stages, compressors, condenser fans, heaters or pumps. They can work with a 4 to 20 mA input from a pressure transducer or an input from a PTC temperature probe.

This input type must be specified at time of order. Caution: Electrical shock can kill. Good Practice should at all times be observed. Sensor interference and extension of probe cables It is important to avoid running probe cables close to power cables or other electrical equipment and cables that carry or switch heavy loads. This is even more important when extending probe cables. When extending probe cables use cable Part No.

The start time for each defrost is stored in non volatile memory, so these will not have been lost. If necessary fit an auxiliary relay or contactor of an appropriate rating. Output interference If the control is connected to an inductive coil e. See page 33 for further details. If power spikes are likely to occur, fit a Varsities Part no. Panel mounted controllers have a frontal protection rating of IP If there is any risk of water getting behind the front mounting then this must be prevented by the use of a suitable gasket PELE Do not fit a controller in a place where it will be subjected to excessive vibration.

Then turn to the parameter list for your particular model, which has all the information you need on the various parameters, their functions and adjustment ranges. Firstly though, please take a few moments to read the following section.

The Display The Buttons The controller is fitted with a display, which normally shows the current temperature. To use them you must press either the left or right hand side of the button as appropriate. Use the The new value can then be stored either by pressing the SET button or by waiting 15 seconds until the exit time out has expired. In this menu you will find Pr1, which contains any parameters that can be accessed without a security code.

You will also find Pr2, which contains all parameters but requires a security code to gain access. Use them in conjunction with the parameter list for a particular model Note: To allow you to decide how much if any access you wish the end user to have, you can transfer any parameter or combination of parameters between the two access levels.

Sets the low temperature alarm level. Sets the time delay between a temperature alarm condition being sensed and the alarm being signaled during normal operation. Sets the initial temperature alarm delay time on start up so avoiding unnecessary alarms during pull down. This can be used to prevent short cycling of the compressor following a momentary power failure.

It can also be used to stagger the re-start of multiple units following a power failure, to prevent everything trying to start at once and blowing a fuse. Probe offset adjustment. Sets the display to read out in Celsius or Fahrenheit Sets the controller for heating or cooling applications.

Cooling — Differential is above the Set Point Heating — Differential is below the Set Point If a probe fault is detected the display will flash P1 and the controller will automatically cycle the compressor on and off. Pr2 15 mins. Pr2 60 mins. Pr2 1 min. Pr2 30 mins. Pr2 90 mins. Pr2 mins. Pr2 20 mins.

This tells the controller what to display during defrost. Pr2 1 Pr2 30 mins. Sets the time delay between the power to the controller being turned on and any output relay starting to operate. The controller has a thermostat override facility. This parameter sets the override time during which the compressor will run continuously irrespective of the temperature. Setting time to 0 to disables this function Sets the period of time following a thermostat override after which the controller will go into a defrost.

The controller will then resume normal operation Sets the interval time between the start of successive defrosts After defrost, the temperature as it was at commencement of defrost is displayed. Normal display is resumed once the actual temperature drops below this point or the time set in this parameter has expired Tells the controller whether to do an immediate defrost when the power is switched on or to wait for the normal interval time as set in parameter IdF.

Can be used to make sure defrosts are not missed in areas with unreliable power supplies. Probe offset adjustment Sets the display to read out in Celsius or Fahrenheit If a probe fault is detected the display will flash P1 and the controller will automatically cycle the compressor on and off. This can be used to prevent short cycling of the compressor following a momentary power failure, or to stagger the re-start of multiple units following a power failure, to prevent everything trying to start at once and blowing a fuse.

Setting time to 0 to disables this function Sets the period of time following a thermostat override after which the controller will go into defrost. The controller will then resume normal operation after this defrost terminates Sets the interval time between the start of successive defrosts When a defrost is due to commence after the IdF time , this parameter adds a period of time during which the start of defrost is delayed. Used to stagger defrosts between multiple controllers Sets the maximum duration time of the defrost Sets the evaporator temperature at which the controller will terminate the defrost.

This temperature is sensed by the evaporator probe. Normal display is resumed once the actual temperature drops below this point or the time set in this parameter has expired Configures the controller for defrost by electrical heaters or hot gas.

If set for hot gas, the compressor is kept running during defrost. This allows any residual moisture on the evaporator time to drip down and drain away. Tells the controller whether to do an immediate defrost when the power is switched on or to wait for the normal interval time as set in parameter IdF. Probe offset adjustment — thermostat Probe offset adjustment — evaporator Sets the display to read out in Celsius or Fahrenheit If a probe fault is detected the display will flash P1 and the controller will automatically cycle the compressor on and off.

Defines how the evaporator fan relay operates. Note: Parameter Fnd fan delay now becomes the delay between the start of the 1st and 2nd compressor. Sets the maximum temperature sensed by the evaporator probe above which the controller stops evaporator fans from running Sets the time delay between the end of defrost and the evaporator fans re-starting. Pr2 10 mins. Pr2 0 Pr2 15 mins. Configures the alarm either to absolute temperatures or to be relative to the Set Point i.

Sets the time delay at the end of defrost between an alarm condition being detected and the alarm being signaled. The controller will then resume normal operation Sets the interval time between the start of successive defrosts.

This only functions if the real time clock settings are lost. Sets the maximum duration time of the defrost This tells the controller what to display during defrost. Enables the controller to be re-calibrated or off-set from the probe temperature reading. Turns the decimal point on or off. This gives a display resolution of either 1 degree or 0.

Pr2 1hr. Allows or prevents muting of the alarm buzzer and alarm relay. Pr2 0 0 to mins. Pr2 5 mins. To omit a particular defrost period, set it to Note: During the energy saving cycle, the temperature display will flash. Sets the current day. Sets the current minute 0. Hence these two energy saving cycles will overlap.

Sets the maximum duration time of the defrost Sets the temperature sensed by the evaporator probe, above which the count towards next defrost is suspended as set in parameter IdF Only functions if Smart Defrost is enabled see parameter EdF Sets the evaporator temperature at which the controller will terminate the defrost.

Sets the defrost mode. Pr2 0 dPO First Defrost after start up Tells the controller whether to do an immediate defrost when the power is switched on or to wait for the normal interval time as set in parameter IdF. Tells the evaporator fan to either run continuously apart from during defrost or to cycle on and off with the compressor. Pr2 1 Pr2 0 Pr2 15 mins. Pr2 15mins.

Sets the maximum temperature sensed by the evaporator probe above which the controller stops evaporator fans from running Enables the controller to be re-calibrated or off-set from the probe temperature reading. Adjusts the off — set of the evaporator probe Turns the decimal point on or off. Sets the display to read out in Celsius or Fahrenheit If a probe fault is detected the display will flash P1 and the controller will automatically cycle the compressor on and off.

XRC only Allows or prevents muting of the alarm buzzer and alarm relay.

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