dIXEL
Installing and Operating Instructions
1592020050
1592020050 XR50CX GB m&M r1.0 12.03.2007.doc XR50CX 4/4
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
defrost: SPDT 8(3) A, 250Vac
AUX: SPST 8(3) A
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): ±0,7 °C ±1 digit
16. CONNECTIONS
The X-REP output excludes the TTL output.. It’s present in the following codes:
XR50CX- xx2xx, XR50CX –xx3xx;
16.1 XR50CX – 8A COMPRESSOR
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 XR50CX – 20A COMPRESSOR
12Vac/dc supply: connect to the terminals 4 and 5.
24Vac/dc supply: connect to the terminals 4 and 5.
120Vac supply: connect to the terminals 4 and 5.
17. DEFAULT SETTING VALUES
Lab
Name Range °C/°F
Set
Set point LS÷US -5.0 - - -
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
P2P
Evaporator probe presence n=not present; Y=pres. Y Pr1
OE
Evaporator probe calibration
-12÷12°C /-120÷120°F
0.0 Pr2
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
rtr
P1-P2 percentage for regulation 0 ÷ 100 (100=P1 , 0=P2) 100 Pr2
CCt
Continuos cycle duration 0.0÷24.0h 0.0 Pr2
CCS
Set point for continuous cycle (-55.0÷150,0°C) (-67÷302°F) -5 Pr2
COn
Compressor ON time with faulty probe
0 ÷ 255 min
15 Pr2
COF
Compressor OFF time with faulty probe
0 ÷ 255 min
30 Pr2
CF
Temperature measurement unit
°C ÷ °F
°C Pr2
rES
Resolution
in=integer; dE= dec.point
dE Pr1
Lod
Probe displayed
P1;P2
P1 Pr2
dLy Display temperature delay 0 ÷ 20.0 min (10 sec.) 0 Pr2
dtr P1-P2 percentage for disply 1 ÷ 99 50 Pr2
tdF
Defrost type
EL=el. heater; in= hot gas
EL Pr1
dFP
Probe selection for defrost termination nP; P1; P2; P3; P4 P2 Pr2
dtE
Defrost termination temperature
-50 ÷ 50 °C
8 Pr1
IdF
Interval between defrost cycles
1 ÷ 120 ore
6 Pr1
MdF
(Maximum) length for defrost
0 ÷ 255 min
30 Pr1
dSd
Start defrost delay
0÷99min
0 Pr2
dFd
Displaying during defrost
rt, it, SEt, DEF
it Pr2
dAd
MAX display delay after defrost 0 ÷ 255 min 30 Pr2
Fdt
Draining time 0÷120 min 0 Pr2
dPo
First defrost after startup n=after IdF; y=immed. n Pr2
dAF
Defrost delay after fast freezing 0 ÷ 23h e 50’ 0.0 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
tbA
Alarm relay disabling n=no; y=yes y Pr2
oA2
2
nd
relay configuration
Lr = alarm; dEF = do not select
it; Lig =Light; AUS =AUX;
onF=always on; Fan= do not
select it; db = do not select it;
dF2 = do not select it
Lig Pr2
AoP
Alarm relay polarity (oA1=ALr) oP; cL cL Pr2
i1P
Digital input polarity oP=opening;CL=closing cL Pr1
i1F
Digital input configuration EAL, bAL, PAL, dor; dEF; Htr,
AUS
EAL Pr1
did
Digital input alarm delay 0÷255min 5 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 Pr2
onF
on/off key enabling nu, oFF; ES nu Pr1
dP1
Room probe display -- -- Pr2
dP2
Evaporator probe display -- -- Pr2
dP3
Third probe display -- -- Pr1
dP4
Fourth probe display -- -- Pr1
rSE
Valore set operativo actual set -- Pr1
rEL
Software release -- -- Pr2
Ptb
Map code -- -- Pr2
Dixell S.p.A. Z.I. Via dell’Industria, 27
32010 Pieve d’Alpago (BL) ITALY
tel. +39 - 0437 - 98 33 - fax +39 - 0437 - 98 93 13
E-mail: dixell@dixell.com - http://www.dixell.com