Emerson Dixell XR20CX User Manual

1592020020 XR20CX GB m&M r1.1 27.03.2013 XR20CX 4/4
15. TECHNICAL DATA
Housing: self extinguishing ABS.
Case: XR20CX frontal 32x74 mm; depth 60mm;
Mounting: XR20CX panel mounting in a 71x29mm panel cut-out
Protection: IP20; Frontal protection: XR20CX IP65
Connections: Screw terminal block  2,5 mm
2
wiring.
Power supply: according to the model: 12Vac/dc, ±10%; 24Vac/dc, ±10%; 230Vac 10%,
50/60Hz, 110Vac 10%, 50/60Hz
Power absorption: 3VA max
Display: 3 digits, red LED, 14,2 mm high; Inputs: Up to 4 NTC or PTC probes.
Digital input: free voltage contact
Relay outputs: compressor SPST 8(3) A, 250Vac; or 20(8)A 250Vac
Data storing: on the non-volatile memory (EEPROM).
Kind of action: 1B; Pollution grade: 2;Software class: A.;
Rated impulsive voltage: 2500V; Overvoltage Category: II
Operating temperature: 0÷60 °C;Storage temperature: -30÷85 °C.
Relative humidity: 2085% (no condensing)
Measuring and regulation range: NTC probe: -40÷110°C (-40÷230°F);
PTC probe: -50÷150°C (-58÷302°F)
Resolution: 0,1 °C or 1°C or 1 °F (selectable); Accuracy (ambient temp. 25°C): ±1 °C ±1
digit
16. CONNECTIONS
The X-REP output excludes the TTL output.. It’s present in the following codes:
XR20CX- xx2xx, XR20CX –xx3xx;
16.1 XR20CX – 8A COMPRESSOR
N.C.
1 2 3 6 7
9 10 11 12
Comp
Room
8
Hot Key/IV Probe
TTL or X-REP output
8(3)A250V
Line
9-40Vdc supply: connect to the terminals 7 and 8.
12Vac/dc supply: connect to the terminals 7 and 8.
24Vac/dc supply: connect to the terminals 7 and 8.
120Vac supply: connect to the terminals 7 and 8.
16.2 XR20CX – 20A COMPRESSOR
4 5 6 7
9 10 11 12
Comp
Room
8
Hot Key/IV Probe
TTL or X-REP output
20(8)A250V
Line
9-40Vdc supply: connect to the terminals 7 and 8.
12Vac/dc supply: connect to the terminals 7 and 8.
24Vac/dc supply: connect to the terminals 7 and 8.
120Vac supply: connect to the terminals 7 and 8.
17. DEFAULT SETTING VALUES
Label
Name
Range
°C/°F
Set
Set point
LS÷US
3.0
- - -
Hy
Differential
0,125.5°C/ 1 255°F
2.0
Pr1
LS
Minimum set point
-50°CSET/-58°FSET
-50.0
Pr2
US
Maximum set point
SET110°C/ SET  230°F
110
Pr2
Ot
Thermostat probe calibration
-1212°C /-120120°F
0.0
Pr1
P3P
Third probe presence
n=not present; Y=pres.
n
Pr2
O3
Third probe calibration
-1212°C /-120120°F
0
Pr2
P4P
Fourth probe presence
n=not present; Y=pres.
n
Pr2
O4
Fourth probe calibration
-1212°C /-120120°F
0
Pr2
OdS
Outputs delay at start up
0÷255 min
0
Pr2
AC
Anti-short cycle delay
0  50 min
1
Pr1
CCt
Continuos cycle duration
0.0÷24.0h
0.0
Pr2
CC
S
Set point for continuous cycle
(-55.0÷150,0°C) (-67÷302°F)
3
Pr2
CO
n
Compressor ON time with faulty probe
0  255 min
15
Pr2
CO
F
Compressor OFF time with faulty
probe
0  255 min
30
Pr2
CH
Kind of action
CL=cooling; Ht= heating
cL
Pr1
CF
Temperature measurement unit
°C  °F
°C
Pr2
rES
Resolution
in=integer; dE= dec.point
dE
Pr1
dLy
Display temperature delay
0 ÷ 20.0 min (10 sec.)
0
Pr2
IdF
Interval between defrost cycles
1  120 ore
8
Pr1
MdF
(Maximum) length for defrost
0  255 min
20
Pr1
dFd
Displaying during defrost
rt, it, SEt, DEF
it
Pr2
dAd
MAX display delay after defrost
0 ÷ 255 min
30
Pr2
ALc
Temperat. alarms configuration
rE= related to set;
Ab = absolute
Ab
Pr2
ALU
MAXIMUM temperature alarm
Set110.0°C; Set÷230°F
110
Pr1
ALL
Minimum temperature alarm
-50.0°CSet/ -58°FSet
-50.0
Pr1
AFH
Differential for temperat. alarm
recovery
(0,1°C÷25,5°C) (1°F÷45°F)
1
Pr2
ALd
Temperature alarm delay
0  255 min
15
Pr2
dAo
Delay of temperature alarm at start up
0  23h e 50’
1.3
Pr2
AP2
Probe for temperat. alarm of
condenser
nP; P1; P2; P3; P4
P4
Pr2
AL2
Condenser for low temperat. alarm
(-55 ÷ 150°C) (-67÷ 302°F)
-40
Pr2
AU2
Condenser for high temperat. alarm
(-55 ÷ 150°C) (-67÷ 302°F)
110
Pr2
AH2
Differ. for condenser temp. alar.
recovery
[0,1°C ÷ 25,5°C] [1°F ÷
45°F]
5
Pr2
Ad2
Condenser temperature alarm delay
0 ÷ 254 (min.) , 255=nU
15
Pr2
dA2
Delay of cond. temper. alarm at start
up
0.0 ÷ 23h 50’
1,3
Pr2
bLL
Compr. off for condenser low
temperature alarm
n(0) - Y(1)
n
Pr2
AC2
Compr. off for condenser high
temperature alarm
n(0) - Y(1)
n
Pr2
i1P
Digital input polarity
oP=opening;CL=closing
cL
Pr1
i1F
Digital input configuration
EAL, bAL, PAL, dor; dEF; Htr,
AUS
dor
Pr1
did
Digital input alarm delay
0÷255min
15
Pr1
nPS
Number of activation of pressure
switch
0 ÷15
15
Pr2
odc
Compress status when open door
no; Fan; CPr; F_C
no
Pr2
rrd
Regulation restart with door open
alarm
n – Y
y
Pr2
HES
Differential for Energy Saving
(-30°C÷30°C) (-54°F÷54°F)
0
Pr2
Adr
Serial address
0÷247
1
Pr2
PbC
Kind of probe
Ptc; ntc
ntc
Pr1
onF
on/off key enabling
nu, oFF; ES
nu
Pr2
dP1
Room probe display
--
--
Pr1
dP3
Third probe display
--
--
Pr1
dP4
Fourth probe display
--
--
Pr2
rSE
Real set point value
actual set
--
Pr2
rEL
Software release
--
--
Pr2
Ptb
Map code
--
--
Pr2

Emerson Dixell XR20CX Specifications

General

Brand	Emerson
Model	Dixell XR20CX
Category	Controller
Language	English