Technical Data; Default Setting Values - Emerson Dixell XR20CH Installing And Operating Instructions

15. TECHNICAL DATA

Housing: self extinguishing ABS.
Case: XR20CH frontal 38x80 mm; depth 62mm;
Mounting: XR20CH panel mounting in a 71x29mm panel cut-out
Protection: IP20; Frontal protection: XR20CH IP65
Connections: Screw terminal block  2,5 mm
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:
XR20CH- xx2xx, XR20CH –xx3xx;
16.1 XR20CH – 8A COMPRESSOR
8(3)A250V
1 2 3
N.C.
Comp
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 XR20CH – 20A COMPRESSOR
20(8)A250V
4
Comp
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.
1592038010 XR20CH GB r1.0 05.05.2014
2 wiring.
9 10 11 12
6 7 8
Hot Key/IV Probe
TTL or X-REP output
9 10 11 12
5 6 7 8
Hot Key/IV Probe
TTL or X-REP output

17. DEFAULT SETTING VALUES

Label Name
Set Set point
Hy Differential
LS Minimum set point
US Maximum set point
Ot Thermostat probe calibration
P3P Third probe presence
O3 Third probe calibration
P4P Fourth probe presence
O4 Fourth probe calibration
OdS Outputs delay at start up
AC Anti-short cycle delay
CCt Continuos cycle duration
CCS Set point for continuous cycle
COn Compressor ON time with faulty
probe
COF Compressor OFF time with faulty
probe
CH Kind of action
CF Temperature measurement unit
rES Resolution
dLy Display temperature delay
IdF Interval between defrost cycles
MdF (Maximum) length for defrost
dFd Displaying during defrost
dAd MAX display delay after defrost
ALc Temperat. alarms configuration
ALU MAXIMUM temperature alarm
ALL Minimum temperature alarm
AFH Differential for temperat. alarm
recovery
ALd Temperature alarm delay
dAo Delay of temperature alarm at start
up
AP2 Probe for temperat. alarm of
condenser
AL2 Condenser for low temperat. alarm
AU2 Condenser for high temperat. alarm (-55 ÷ 150°C) (-67÷ 302°F)
Differ. for condenser temp. alar.
AH2 recovery
Ad2 Condenser temperature alarm delay
Delay of cond. temper. alarm at start
dA2 up
Compr. off for condenser low
bLL temperature alarm
Compr. off for condenser high
AC2 temperature alarm
i1P Digital input polarity
i1F Digital input configuration
did Digital input alarm delay
nPS Number of activation of pressure
switch
odc Compress status when open door
rrd Regulation restart with door open
alarm
HES Differential for Energy Saving
Adr Serial address
PbC Kind of probe
onF on/off key enabling
dP1 Room probe display
dP3 Third probe display
dP4 Fourth probe display
rSE Real set point value
rEL Software release
Ptb Map code
XR20CH
Range °C/°F
LS÷US 3.0
0,125.5°C/ 1 255°F 2.0
-50°CSET/-58°FSET -50.0
SET110°C/ SET  230°F 110
0.0
-1212°C /-120120°F
n=not present; Y=pres. n
-1212°C /-120120°F 0
n=not present; Y=pres. n
-1212°C /-120120°F 0
0÷255 min 0
0  50 min 1
0.0÷24.0h 0.0
(-55.0÷150,0°C) (-67÷302°F) 3
0  255 min
15
0  255 min
30
CL=cooling; Ht= heating cL
°C  °F °C
in=integer; dE= dec.point dE
0 ÷ 20.0 min (10 sec.) 0
1  120 ore 8
0  255 min 20
rt, it, SEt, DEF it
0 ÷ 255 min 30
rE= related to set;
Ab
Ab = absolute
110
Set110.0°C; Set÷230°F
-50.0°CSet/ -58°FSet -50.0
(0,1°C÷25,5°C) (1°F÷45°F)
1
0  255 min
15
0  23h e 50'
1.3
nP; P1; P2; P3; P4
P4
(-55 ÷ 150°C) (-67÷ 302°F) -40
110
[0,1°C ÷ 25,5°C] [1°F ÷
5
45°F]
0 ÷ 254 (min.) , 255=nU 15
1,3
0.0 ÷ 23h 50'
n
n(0) - Y(1)
n
n(0) - Y(1)
oP=opening;CL=closing cL
EAL, bAL, PAL, dor; dEF; Htr,
dor
AUS
0÷255min 15
0 ÷15
15
no; Fan; CPr; F_C no
n – Y
y
(-30°C÷30°C) (-54°F÷54°F) 0
0÷247 1
Ptc; ntc ntc
nu, oFF; ES nu
-- --
-- --
-- --
actual set --
-- --
-- --
- - -
Pr1
Pr2
Pr2
Pr1
Pr2
Pr2
Pr2
Pr2
Pr2
Pr1
Pr2
Pr2
Pr2
Pr2
Pr1
Pr2
Pr1
Pr2
Pr1
Pr1
Pr2
Pr2
Pr2
Pr1
Pr1
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr2
Pr1
Pr1
Pr1
Pr2
Pr2
Pr2
Pr2
Pr2
Pr1
Pr2
Pr1
Pr1
Pr2
Pr2
Pr2
Pr2
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