Emerson Dixell XR60C User Manual

1592007251 XR60C-D GB r1.0 08.04.2015 XR60C – XR60D 3/4
with i1F = PAL: time for pressure switch function: time interval to calculate the
number of the pressure switch activation.
nPS Pressure switch number: (0

15) Number of activation of the pressure switch, during
the “did” interval, before signalling the alarm event (I2F= PAL).
If the nPS activation in the did time is reached, switch off and on the instrument to
restart normal regulation.
 odc Compressor and fan status when open door: no = normal; Fan = Fan OFF;
CPr = Compressor OFF; F_C = Compressor and fan OFF.
OTHER
PbC Type of probe: it allows to set the kind of probe used by the instrument: PbC = PBC
probe, ntC = NTC probe.
 dP1 First probe display
 dP2 Second probe display
 rEL Software release for internal use.
 Ptb Parameter table code: readable only.
8. DIGITAL INPUT
The free contact digital input is programmable in five different configurations by the “i1F”
parameter.
8.1 DOOR SWITCH INPUT (i1F = dor)
It signals the door status and the corresponding relay output status through the “odc”
parameter: no = normal (any change); Fan = Fan OFF;
CPr = Compressor OFF; F_C = Compressor and fan OFF.
Since the door is opened, after the delay time set through parameter “did”, the door alarm is
enabled, the display shows the message “dA” and the regulation restarts. The alarm stops
as soon as the external digital input is disabled again. With the door open, the high and low
temperature alarms are disabled.
8.2 GENERIC ALARM (i1F = EAL)
As soon as the digital input is activated the unit will wait for “did” time delay before signalling
the “EAL” alarm message. The outputs status don’t change. The alarm stops just after the
digital input is de-activated.
8.3 SERIOUS ALARM MODE (i1F = bAL)
When the digital input is activated, the unit will wait for “did” delay before signalling the “CA”
alarm message. The relay outputs are switched OFF. The alarm will stop as soon as the
digital input is de-activated.
8.4 PRESSURE SWITCH (i1F = PAL)
If during the interval time set by “did” parameter, the pressure switch has reached the number
of activation of the “nPS” parameter, the “CA” pressure alarm message will be displayed. The
compressor and the regulation are stopped. When the digital input is ON the compressor is
always OFF.
If the nPS activation in the did time is reached, switch off and on the instrument to
restart normal regulation.
8.5 START DEFROST (i1F = dFr)
It starts a defrost if there are the right conditions. After the defrost is finished, the normal
regulation will restart only if the digital input is disabled otherwise the instrument will wait until
the “MdF” safety time is expired.
8.6 INVERSION OF THE KIND OF ACTION: HEATING-COOLING (i1F = Htr)
This function allows to invert the regulation of the controller: from cooling to heating and
viceversa.
8.7 DIGITAL INPUTS POLARITY
The digital input polarity depends on the “i1P” parameter.
i1P=CL: the input is activated by closing the contact.
i1P=OP: the input is activated by opening the contact
9. INSTALLATION AND MOUNTING
Instrument XR60C shall be mounted on vertical panel, in a 29x71 mm hole, and fixed using
the special bracket supplied.
To obtain an IP65 protection grade use the front panel rubber gasket (mod. RG-C) as shown
in figure.
Instrument XR60D shall be mounted on an omega DIN rail.
The temperature range allowed for correct operation is 060 °C. Avoid places subject to
strong vibrations, corrosive gases, excessive dirt or humidity. The same recommendations
apply to probes. Let air circulate by the cooling holes.
10. ELECTRICAL CONNECTIONS
The instrument is provided with screw terminal block to connect cables with a cross section up
to 2,5 mm
2
. Before connecting cables make sure the power supply complies with the
instrument’s requirements. Separate the probe cables from the power supply cables, from the
outputs and the power connections. Do not exceed the maximum current allowed on each
relay, in case of heavier loads use a suitable external relay.
10.1 PROBE CONNECTION
The probes shall be mounted with the bulb upwards to prevent damages due to casual liquid
infiltration. It is recommended to place the thermostat probe away from air streams to correctly
measure the average room temperature. Place the defrost termination probe among the
evaporator fins in the coldest place, where most ice is formed, far from heaters or from the
warmest place during defrost, to prevent premature defrost termination.
11. HOW TO USE THE HOT KEY
11.1 HOW TO PROGRAM A HOT KEY FROM THE INSTRUMENT (UPLOAD)
1. Program one controller with the front keypad.
2. When the controller is ON, insert the “Hot key” and push o key; the "uPL" message
appears followed a by flashing “End”
3. Push “SET” key and the End will stop flashing.
4. Turn OFF the instrument remove the “Hot Key”, then turn it ON again.
NOTE: the “Err” message is displayed for failed programming. In this case push again o key
if you want to restart the upload again or remove the “Hot key” to abort the operation.
11.2 HOW TO PROGRAM AN INSTRUMENT USING A HOT KEY
(DOWNLOAD)
1. Turn OFF the instrument.
2. Insert a programmed “Hot Key” into the 5 PIN receptacle and then turn the
Controller ON.
3. Automatically the parameter list of the “Hot Key” is downloaded into the Controller
memory, the “doL” message is blinking followed a by flashing “End”.
4. After 10 seconds the instrument will restart working with the new parameters.
5. Remove the “Hot Key”..
NOTE the message “Err” is displayed for failed programming. In this case turn the unit off and
then on if you want to restart the download again or remove the “Hot key” to abort the
operation.
12. ALARM SIGNALS
Message
Cause
Outputs
“P1”
Room probe failure
Compressor output according to par.
“Con” and “COF”
“P2”
Evaporator probe failure
Defrost end is timed
“HA”
Maximum temperature alarm
Outputs unchanged.
“LA”
Minimum temperature alarm
Outputs unchanged.
“dA”
Door open
Compressor and fans restarts
“EA”
External alarm
Output unchanged.
“CA”
Serious external alarm (i1F=bAL)
All outputs OFF.
“CA”
Pressure switch alarm (i1F=PAL)
All outputs OFF
12.1 ALARM RECOVERY
Probe alarms “P1” and “P2” start some seconds after the fault in the related probe; they
automatically stop some seconds after the probe restarts normal operation. Check
connections before replacing the probe.
Temperature alarms “HA” and “LA” automatically stop as soon as the thermostat temperature
returns to normal values and when defrost starts.
Alarms “EA” and “CA” (with i1F=bAL) recover as soon as the digital input is disabled.
Alarm “CA” (with i1F=PAL) recovers only by switching off and on the instrument.

Emerson Dixell XR60C Specifications

General

Brand	Emerson
Model	Dixell XR60C
Category	Controller
Language	English