dIXEL
Installing and Operating Instructions
1598029050
1598029050 XW40L NFR GB r1.0 11.07.2008.doc
XW40L
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12.
HOW TO USE THE HOT KEY
12.1
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.
12.2
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.
13.
ALARM SIGNALS
Message
Cause
Outputs
“P1”
Room probe failure
Compressor output acc. 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.
13.1
ALARM RECOVERY
Probe alarms
P1
”, “
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
”, “
LA
” automatically stop as soon as the temperature returns to
normal values.
13.2
OTHER MESSAGES
Pon
Keyboard unlocked.
PoF
Keyboard locked
noP
In programming mode
: none parameter is present in Pr1
On the display
or in dP2, dP3, dP4: the selected probe is nor enabled
14.
TECHNICAL DATA
Housing:
self extinguishing ABS.
Case:
facia 38x185 mm; depth 76mm
Mounting :
panel mounting in a 150x31 mm panel cut-out with two screws.
∅
3 x 2mm.
Distance between the holes 165mm
Protection:
IP20;
Frontal protection:
IP65 with frontal gasket mod RG-L. (optional)
Connections:
Screw terminal block
≤
2,5 mm
2
heat-resistant wiring and 6,3mm Faston
Power supply:
230Vac or. 110Vac or 24Vac
±
10%
Power absorption:
5VA max.
Display
: 3 digits, 14,2 mm high;
Inputs
: 2 NTC probes.
Relay outputs:
Total current on loads MAX. 20A
compressor:
relay SPST 16(3)A, 250Vac
light:
relay SPST 8 or 16(3) A, 250Vac
defrost:
relay SPST 16(3) A, 250Vac
Other output :
buzzer (optional)
Serial output :
TTL standard;
Communication protocol:
Modbus - RTU
Data storing
: on the non-volatile memory (EEPROM).
Kind of action:
1B;
Pollution grade:
2;
Software class:
A.;
Rated impulsive voltage
: 2500V;
Over voltage 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);
Resolution:
0,1 °C or 1°C or 1 °F (selectable);
Accuracy (ambient temp. 25°C)
: ±0,7 °C ±1 digit
15.
CONNECTIONS
Supply: 120Vac or 24Vac:
connect to terminals 7-8
16.
DEFAULT SETTING VALUES
Label
Name Range
Value Level
Set
Set point
LS÷US
0 ---
Hy
Differential
0,1
÷
25.5°C/ 1
÷
255°F
4 Pr1
LS
Minimum set point
-50°C
÷
SET/-58°F
÷
SET
-2 Pr2
US
Maximum set point
SET
÷
110°C/ SET
÷
230°F
16 Pr2
Ot
Thermostat probe calibration
-12
÷
12°C /-120
÷
120°F
0 Pr2
P2P
Evaporator probe presence
n=not present; Y=pres.
Y Pr2
OE
Evaporator probe calibration
-12
÷
12°C /-120
÷
120°F
0 Pr2
OdS
Outputs delay at start up
0÷255 min
1 Pr2
AC
Anti-short cycle delay
0
÷
50 min
1 Pr2
CCt
Continuous cycle duration 0.0÷24.0h
0.0 Pr2
CCS
Set point for continuous cycle
(-55.0÷150,0°C) (-67÷302°F)
0 Pr2
COn
Compressor ON time with faulty probe
0
÷
255 min
15 Pr2
COF
Compressor OFF time with faulty probe 0
÷
255 min
20 Pr2
CF
Temperature measurement unit
°C
÷
°F
°C Pr1
rES
Resolution
in=integer; dE= dec.point
in Pr2
tdF
Defrost type
EL=el. heater; in= hot gas
EL Pr2
dtE
Defrost termination temperature
-50
÷
50 °C
8.0 Pr1
IdF
Interval between defrost cycles
1
÷
120 ore
4 Pr1
MdF
(Maximum) length for defrost
0
÷
255 min
60 Pr1
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 start-up
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
rE Pr2
ALU
MAXIMUM temperature alarm
Set
÷
110.0°C; Set÷230°F
10 Pr2
ALL
Minimum temperature alarm
-50.0°C
÷
Set/ -58°F
÷
Set
10 Pr2
ALd
Temperature alarm delay
0
÷
255 min
10 Pr2
dAO
Delay of temperature alarm at start up
0
÷
23h e 50’
2.0 Pr2
Adr
Serial address
1÷247
1 Pr2
rEL
Software release
--
1.8 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: [email protected] - http://www.dixell.com
