dixell UNIVERSAL XR60CX Installation And Operating Instructions Manual
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- Installing and operating instructions (5 pages) ,
- Installing and operating instructions (19 pages)
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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. 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
evaporator probe(s).
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 1
STEP 2
+
STEP 3
STEP 4
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).
Universal-XR
UNIVERSAL–XR60CX
Install the new Universal-XR per the installation instructions included with the controller.
Turn on power,
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
or DOWN keys, then press SET again to confirm.
1/17
UXR01212015_REV1.4mm
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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 50C; 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...
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Questions and answers
The evap fan icon will not come on and no fan
Possible causes for the evaporator fan icon not coming on and the fan not working in a Dixell UNIVERSAL XR60CX include:
1. Fon = 0 and FoF ≠ 0 or FoF = 0: Fans are always off in both cases.
2. FSt parameter set too high: If the temperature detected by the evaporator probe is above the FSt setting, the fans remain off.
3. Evaporator probe (P2P) not present: If P2P = 0, the system may not detect the evaporator temperature, preventing fan operation.
4. FnC setting: Depending on the FnC value (e.g., C_n, o_n, C_Y, o_Y), the fan may be set not to run during certain conditions like defrost or compressor off.
5. Fan delay (Fnd): After defrost, the fan may be delayed for drip time.
Check these parameters to diagnose the issue.
This answer is automatically generated