XR35CX 5.6 and 2.6 Software Overview • 5-23
5.11 XR35CX 5.6 and 2.6
The Model XR35CX (32 mm x 74 mm) is a digital
thermostat with off-cycle, defrost, designed for
refrigeration applications at normal temperature. It has
two relay outputs to control compressor and light
(configurable). It can have a Real Time Clock (RTC) that
allows programming of up to six daily defrost cycles,
divided into holidays and workdays. A “Day and Night”
function with two different setpoints is fitted for energy
savings. It can also have up to four NTC or PT1000 probe
inputs: the first one for temperature control, the second
one located on the evaporator to control the defrost
termination temperature. One of the two digital inputs can
operate as a third temperature probe. The fourth probe is
used to signal the condenser temperature alarm or to
display a temperature value.
The RS485 serial output enables the controller to be
connected to a network line that is MODBUS RTU
compatible such as the monitoring units of XWEB family.
The Hot Key receptacle allows the controller to be
programmed by means of the Hot Key programming
keyboard.
The controller is fully configurable through special
parameters that can be easily programmed through the
keyboard.
How To Add an XR35CX 5.6/ XR35CX2.6 Device
on the Site Supervisor:
1. From Home screen, navigate to Main Menu>
Summaries and Floor Plans> Site Summaries>
Refrigeration, click the screen drop-down arrow
on the upper right of the screen, click Add
Controls.
2. Select the Control or Application Type -
XR35CX-5.6/ XR35CX2.6, enter the Quantity,
Control Name and Serial Type. Note that Serial
Type information can be enter later. Click Save to
add the application.
3. A Confirmation box will appear saying that the
application is successfully added to the system,
click Close or Edit these controls.
4. The system will display the new application(s) on
the Site Summary screen.
5. Click the XR35CX-5.6/ XR35CX 2.6 application
panel box to view the application.
6. The system will display the XR35CX-5.6/
XR35CX 2.6 application parameters.
7. The user can view and configure the properties of
the application by setting the Edit Mode to “ON”
on the screen drop-down arrow on the upper right
of the screen.
5.11.1 Overview
The Site Supervisor will provide an interface to the
XR35CX and alarming. The XR35CX is networked with
the Site Supervisor to share sensor data with a Case
Circuit application that controls the case refrigeration. It
has two on-board relays that can be used as satellite
outputs by the other Site Supervisor applications.
Please refer to the XR35CX I/O Installing and
Operating Manual (P/N 026-1203) for more information.
Figure 5-6
- XR35CX 5.6 and 2.6 Device
Alarm Description/Alarm Text
EXTERNAL External Alarm
DOOR OPEN Open Door Alarm
2EEPROM FAIL-
URE
EEPROM Failure Alarm
CASE TEMP FAIL Case temperature probe failure alarm
DEFR TERM FAIL Defrost termination probe failure alarm
HIGH CASE ALM High case temperature alarm
LO CASE ALM Low case temperature alarm
RTC DATA LOST RTC data lost alarm
RTC FAILURE RTC failure alarm
Table 5-4 - Diagnostic Alarms
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