Dixell Cx 660 Manual

 

Feb 27, 2018 - MANUAL FOR THE SW REL. If the SW release is 2.6, proceed with this manual otherwise contact Dixell to get the right manual. Dixell Cx 660. CX660, Thermometers, Thermostats, Electronic Controllers for air conditioning, industrial and commercial refrigeration and catering markets.

Digital controller with defrost and fans management.
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CONNECTIONSDEFAULT SETTING VALUESPARAMETERSDIGITAL INPUTSINSTALLATION AND MOUNTINGELECTRICAL CONNECTIONSUSE THE HOT KEYALARM SIGNALLINGTECHNICAL DATA
FANS MANAGEMENT
1. CONTENTS
Contents____________________________________________________________________________ 1
General warnings _____________________________________________________________________ 1
General description ___________________________________________________________________ 1
Regulation __________________________________________________________________________ 1
Defrost _____________________________________________________________________________ 1
Fans _______________________________________________________________________________ 1
Front panel commands ________________________________________________________________ 1
Parameters__________________________________________________________________________ 2
Digital inputs (ONLY XR03CX) __________________________________________________________ 2
Installation and mounting _______________________________________________________________ 2
Electrical connections _________________________________________________________________ 2
How to use the hot key_________________________________________________________________ 2
Alarm signalling ______________________________________________________________________ 2
Technical data _______________________________________________________________________ 2
Connections _________________________________________________________________________ 3
Default setting values__________________________________________________________________ 3
PLEASE READ BEFORE USING THIS MANUAL
This manual is part of the product and should be kept near the instrument for easy and quick
•
The instrument shall not be used for purposes different from those described hereunder. It cannot be
•
SAFETY PRECAUTIONS
Check the supply voltage is correct before connecting the instrument.
Do not expose to water or moisture: use the controller only within the operating limits avoiding sudden
temperature changes with high atmospheric humidity to prevent formation of condensation
Warning: disconnect all electrical connections before any kind of maintenance.
Fit the probe where it is not accessible by the End User. The instrument must not be opened.
In case of failure or faulty operation send the instrument back to the distributor or to 'Dixell S.p.A.' (see
address) with a detailed description of the fault.
Consider the maximum current which 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
•
In case of applications in industrial environments, the use of mains filters (our mod. FT1) in parallel with
3. GENERAL DESCRIPTION
The XR06CX, format 32 x 74 x 60 mm, is microprocessor based controller, suitable for applications
on medium or low temperature ventilated refrigerating units. It has three relay outputs to control
660
compressor, fan, and defrost which can be either electrical or reverse cycle (hot gas). The device is
also provided with 2 NTC probe inputs, the first one for temperature control and the second one to be
located onto the evaporator, to control the defrost termination temperature and to managed the fan
and it's provided with a configurable digital input. With the HOTKEY it's possible to program the
4. REGULATION
the
measured
the
probe
a
differential from the set point: if the
point plus differential the compressor is
temperature reaches the set point value
In case of fault in the thermostat probe the start and stop of the compressor are timed through
5. DEFROST
Two defrost modes are available through the 'td' parameter:
• td=EL → defrost through electrical heater (compressor OFF)
Other parameters are used to control the interval between defrost cycles (id) ), its maximum length
Xr60cx
(Md) and two defrost modes: timed or controlled by the evaporator's probe. At the end of defrost
dripping time is started, its length is set in the dt parameter. With dt=0 the dripping time is disabled.
With FC parameter it can be selected the fans functioning:
• FC=cn → will switch ON and OFF with the compressor and not run during defrost
660
• FC=on → fans will run even if the compressor is off, and not run during defrost
After defrost, there is a timed fan delay allowing for drip time, set by means of the 'Fd' parameter.
• FC=cy → fans will switch ON and OFF with the compressor and run during defrost
• FC=oY → fans will run continuously also during defrost.
An additional parameter 'FS' provides the setting of temperature, detected by the evaporator probe,
above which the fans are always OFF. This is used to make sure circulation of air only if his
Operating Manual
When the digital input is configured as door switch iF=do, fans and compressor status depends on the
• dC=no → normal regulation;
• dC=cP → compressor OFF;
When rd=y, the regulation restart with door open alarm.
KEYS COMBINATION
HOW TO SEE THE SET POINT
Push and immediately release the SET key, the set point will be showed;
Push and immediately release the SET key or wait about 5s to return to normal visualisation.
1.
Push the SET key for more than 2 seconds to change the Set point value;
The value of the set point will be displayed and the '°C' or '°F' LED starts blinking;
To change the Set value push the
To memorise the new set point value push the SET key again or wait 10s.
Push the DEF
To change the parameter's value operate as follows:
1. Enter the Programming mode by pressing the SET+
2. Select the required parameter. Press the 'SET' key to display its value
4. Press 'SET' to store the new value and move to the following parameter.
NOTE: the set value is stored even when the procedure is exited by waiting the time-out to expire.
The hidden menu includes all the parameters of the instrument.
1. Enter the Programming mode by pressing the SET+
2. Released the keys, then push again the SET+
displayed immediately followed from the Hy parameter.
3. Select the required parameter.
5. Use
6. Press 'SET' to store the new value and move to the following parameter.
NOTE1: if there aren't any parameter in L1, after 3s the 'nP' message is displayed. Keep the keys
NOTE2: the set value is stored even when the procedure is exited by waiting the time-out to expire.
HOW TO MOVE A PARAMETER FROM THE HIDDEN MENU TO THE FIRST
Each parameter present in the HIDDEN MENU can be removed or put into 'THE FIRST LEVEL' (user
point is on.
1.
2.
The 'OF' message will be displayed and the keyboard will be locked. If a key is pressed more
TO UNLOCK THE KEYBOARD
+
+
+
MODE
On

Cx 660

Flashing
On
Flashing
On
Flashing
On
Flashing
On
Flashing
or
key for more than 2 seconds and a manual defrost will start
to change its value.
or
or wait 15s without pressing a key.
. In HIDDEN MENU when a parameter is present in First Level the decimal
and
programming mode it selects a
or
operation
In programming mode it browses
the displayed value
the
codes
decreases the displayed value
keys for 3s ('°C' or '°F' LED starts
keys.
1/3
or
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Summary of Contents for Dixell XR06CX

  • Page 1 HOW TO SEE THE SET POINT • In case of failure or faulty operation send the instrument back to the distributor or to “Dixell S.p.A.” (see address) with a detailed description of the fault. Push and immediately release the SET key, the set point will be showed;..

  • Page 2: Parameters

    Resolution (only for °C):(dE ÷ in) dE= decimal between -9.9 and 9.9°C; in= integer Instrument XR06CX shall be mounted on vertical panel, in a Ld Default display: (P1 ÷ P2) P1= thermostat probe; P2= evaporator probe. SP=Set point (only 29x71 mm hole, and fixed using the special bracket supplied.

  • Page 3: Connections

    Resolution: 0,1 °C or 1°C or 1 °F (selectable); Accuracy (ambient temp. 25°C): ±0,1 °C ±1 digit ALARMS 15. CONNECTIONS 99 °C / 99 Maximum temperature alarm ALL÷99°C / ALL÷99°F °F 15.1 XR06CX – 20+8+5A OR 16+8+5A – 110VAC OR 230VAC -55°C÷ALU/- -55 °C / - Minimum temperature alarm 67°F÷ALU 55 °F Temperature alarm delay 0 ÷..
Model Universal-XR is a 71x29 mm format microprocessor based controller, suitable for applications on high, medium or
low temperature refrigeration units. It is provided with three relay outputs to control compressor, defrost - which can be both
electrical or hot gas - and evaporator fans. It can work with PTC or NTC probes. Where defrost is being terminated by time,
it can operate with just one thermostat probe. Where defrost is being terminated by temperature, it has an input for an
The Universal-XR is equipped with a flashing visual alarm and buzzer.
Each instrument is fully configurable through special parameters that can be easily programmed through the keypad.
2. QUICK START UP PROCEDURE – Up and running in 5 easy steps
This Quick Start Up section is designed to get you up and running with the minimum of fuss. Just follow these 5 simple steps.
STEP 2
STEP 3
STEP 5
Notes:
1. All probes must be of the same type, either PTC or NTC.
2. Probes must be at between --58 to 140°F for auto recognition to work;
3. If 1 minute expires before you have completed quick set up, either cycle the power OFF then ON to start the set up again or
enter Pr2 as per the instructions and adjust your parameter settings manually (see Section 9).
Installation and Operating Instructions
Install the new Universal-XR per the installation instructions included with the controller.
THEN WITHIN 1 MINUTE COMPLETE STEPS 3, 4 AND 5.
Press the 'SET' and 'DOWN' key for 3 seconds and the controller will automatically recognise and
adjust itself to the type of probes connected. (The display briefly shows tPd followed by ntC or PtC).
Press the 'AUX/tC' key for 3 seconds and the setting of parameter tC is displayed. Use the UP or
DOWN keys to adjust to required setting then confirm by pressing SET (see table 1 below).
Press SET for 3 seconds until the °C or °F icon starts to flash, then adjust the SET POINT using the UP
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Summary of Contents for dixell UNIVERSAL XR60CX

  • Page 1 Installation and Operating Instructions UNIVERSAL–XR60CX 1. GENERAL DESCRIPTION Model Universal-XR is a 71x29 mm format microprocessor based controller, suitable for applications on high, medium or low temperature refrigeration units. It is provided with three relay outputs to control compressor, defrost - which can be both electrical or hot gas - and evaporator fans.
  • Page 2 Installation and Operating Instructions Table 1: parameter “tC” settings Parameter Required Type of Control Models Replaced probes On / Off thermostat – Heating XR110C, XR01CX, XR10C, XR10CX Off cycle defrost (timed) XR120C, XR02CX, XR20C, XR20CX Off Cycle defrost time initiated / temperature terminated XR120C, XR02CX, XR20C-E Off Cycle defrost time initiated / temperature terminated, Alarm XR130C, XR03CX, XR30CX..
  • Page 3 Installation and Operating Instructions 4. PARAMETER TABLE and factory default settings IMPORTANT: Always set parameter “tC” first. As you move “tC” between settings 1 to 7, all non-relevant parameters will be masked. After setting “tC”, it will be possible to modify all the other relevant parameters. Once the program is completed you may want to save the parameter map to a Hot Key.
  • Page 4 Installation and Operating Instructions Description Label Adjustment Range Maximum duration of defrost 0 to 255 min (second evaporator) Defrost termination temperature (second 8.0°C 8.0°C -55 to 50C; evaporator) 46°F 46°F -67 to 122°F Rt (0) = Real temp. it (1) = Temp. at defrost start Display during defrost sEt (2) = Set Point dEF (3) = “DEF”..
  • Page 5 Installation and Operating Instructions Description Label Adjustment Range No (0) = No change FAn (1) = Fan off Door open – compressor / fan status CPr (2) = Compressor off F_C (3) = Compressor & Fan off Alr (0) = Alarm; db (1) = Dead Band;..
  • Page 6 Installation and Operating Instructions 5. PARAMETERS, FUNCTIONS IN DETAIL Table 4: controller parameters in detail Display visualisation Description Type of Controller: tells the Universal-XR which type of controller it will be operating as. 1 = on/off Heating thermostat – 1 relay & 1 probe; 2 = Combined thermostat with off cycle defrost timer –..
  • Page 7 Installation and Operating Instructions Delay start of defrost: (0 to 255min) delay between reaching the defrost interval time (as defined by parameter idF) and when a defrost cycle actually starts. Used to stagger defrosts between multiple systems. Probe Selection for first defrost cycle (Maximum) duration of defrost: (0 to 255min) time duration of a defrost cycle when only one probe is in use, or defrost time out override when second (evaporator) probe is in use.
  • Page 8 Installation and Operating Instructions Third probe presence (probe named Evap.2 on the label): 0= n = not present, the third input (the one signed with label “D.I. / Pb3”) Input operates as digital input; 1= Y = present, the third input (the one signed with label “D.I. / Pb3”) Input operates as third probe. Third probe calibration: (-12.0 to 12.0°C or -21 to 21°F) adjustment for third probe offset.
  • Page 9 Installation and Operating Instructions Regulation restart with door open alarm: 0= n = no; 1= Y = yes, regulation will restart after “door open” alarms. Probe selection for Condenser Alarm : 0= nP=No Probe selected 1= P1=Probe 1 2= P2=Probe 2 3= P3=Probe3 *normally P3 would be used* Low temperature alarm of condenser: (-55 to 150°C or -67 to 302°F) when this temperature is reached, the HA2 alarm will be raised (after the Ad2 delay time has expired).
  • Page 10 Installation and Operating Instructions 6. BUTTONS AND THEIR FUNCTIONS 6.1 SINGLE BUTTON FUNCTIONS Table 5: single button functions BUTTON FUNCTION Type Controller menu: keep this button pressed for at least 3 sec within 1 min after power on to enter the “Type Controller Menu” (tC). AUX output control: Switches the AUX relay output (if enabled as such).
  • Page 11 Installation and Operating Instructions NOTE: the “Err” message is displayed for failed programming. In this case push o key again if you want to restart the upload or remove the “Hot key” to abort the operation. 8.2 HOW TO PROGRAM AN INSTRUMENT USING A HOT KEY (DOWNLOAD) Turn OFF the instrument.
  • Page 12 14. COMMUNICATIONS WITH XWEB or OTHER MONITORING SYSTEMS Using the XJ485CX-00000 it is possible to network the Universal XR60CX to the XWEB monitoring systems, or a third-party system. The controller has TTL communications that can be converted with the XJ485CX key. The key is connected to the control via the HOT KEY port, with a small 5 wire cable.
  • Page 13 15.2 ALARM “EE” The Dixell Universal-XR is provided with an internal watchdog verifying data and memory integrity. Alarm “EE” will flash after detecting a failure in data or in the internal memory. In this case, the alarm output is enabled.
  • Page 14 Installation and Operating Instructions 21. TROUBLESHOOTING Problem Possible reason Notes • Check cooling system. • Display flashing HA Temperature too high. • Check alarm settings. • Check cooling system. • Display flashing LA Temperature too low. • Check alarm settings. •..
  • Page 15 Installation and Operating Instructions Differential Minimum set point value Maximum set point value Anti-short cycle delay Second compressor start delay Probe selection for temperature alarms Temperature alarm configuration High temperature alarm Low temperature alarm Differential for temperature alarm recovery Temperature alarm delay Delay before activating a temperature alarm at start up Delay before activating outputs at start up..
  • Page 16 Installation and Operating Instructions Thermostat probe calibration Evaporator probe presence Evaporator probe calibration Third probe presence Third probe calibration Display resolution Temperature measurement unit Display visualization Delay before updating the displayed temperature 0.00 Kind of action: heating or cooling Compressor ON time with faulty probe Compressor OFF time with faulty probe Alarm output disabling by pushing any button Digital input 2 configuration..
  • Page 17 Installation and Operating Instructions 905 Waverly Ave. Holtsville, NY 11742 (631)207-1200 f (631)207-0900 www.weissinstruments.com sales@weissinstruments.com Universal-XR 17/17 UXR01212015_REV1.4mm..