1592034020 XR77CHC EN r1.0 2019.01.31
XR77CHC
4/7
StC
Compressor stop time before starting any defrost:
(0 to 900 sec) interval with compressor
stopped before activating hot gas cycle
dFd
Display during defrost:
(rt; it; SP; dF)
rt
= real temperature;
it
= start defrost temperature;
SP
= SET-POINT;
dF
= lab
el “
dF
”.
dAd
Max delay for updating display after any defrost:
(0 to 255 min) delay before updating the
temperature on the display after finishing any defrost.
Fdt
Draining time:
(0 to 255 min)
Hon
Drain heater enabled after draining time (Fdt):
(0 to 255 min) the relative output will stay on
after draining time.
dPo
First defrost after start-up:
(n; Y) to enable defrost at power on.
Pd1
Differential during any pre-defrost phase:
(-12.0 to 12.0°C; -21 to 21°F) the regulation Set
Point is changed to a temporary different value before any defrost
Pd2
Pre-defrost time:
(0 to 120 min) interval with temporary Set Point before any defrost.
dAF
Defrost delay after freezing:
(0.0 to 24h00min, res. 10 min) delay before activating a defrost.
od1
Automatic defrost (at the beginning of any energy saving mode):
(n; Y)
n
=function
disabled;
Y
=function enabled
SYn
Tipe of synchronized defrost:
(nu; SYn; rnd)
nu
=not used;
SYn
=synchronized;
rnd
=random
defrost
ndE
Number of devices connected to the virtual network for random defrost (valid if
Syd=rnd):
(1 to 20) used to define how many devices will use the Random Defrost Function
FAN - FAn
FAP
Probe selection for evaporator fan management: nP
=no probe;
P1
=thermostat probe;
P2
=evaporator probe;
P3
=do not use it;
P4
=Probe on Hot Key plug.
FSt
Evaporator fan stop temperature:
(-55 to 50°C; -67 to 122°F) setting of temperature,
detected by evaporator probe. Over this value of temperature fans are always OFF.
NOTE: it
works only for the evaporator fan, NOT for the condenser fan.
HYF
Differential for evaporator fan:
(0.1 to 25.5°C; 1 to 45°F) differential for evaporator ventilator
regulator
FnC
Evaporator fan mode operation:
(Cn; on; CY; oY)
•
Cn
= runs with the compressor, duty-cycle when compressor is OFF (see
FoF
,
Fon
,
FF1
and
Fo1
parameters) and OFF during defrost
•
on
= continuous mode, OFF during defrost
•
CY
= runs with the compressor, duty-cycle when compressor is OFF (see
FoF
,
Fon
,
FF1
and
Fo1
parameters) and ON during defrost
•
oY
= continuous mode, ON during defrost
Fnd
Fan delay after defrost:
(0 to 255 min) delay before fan activation after any defrosts.
FCt
Differential of temperature for forced activation of fans
Fon
Fan on time when the compressor is off:
(0 to 255 min) used when energy saving status is
not active.
FoF
Fan off time when the compressor is off:
(0 to 255 min) used when energy saving status is
not active.
Fo1
Fan on time with compressor off in Energy Saving mode:
(0 to 255 min) used when energy
saving status is active.
FF1
Fan off time with compressor off in Energy Saving mode:
(0 to 255 min) used when energy
saving status is active.
FAC
Probe selection for condenser fan management: nP
=no probe;
P1
=probe Pb1;
P2
=probe
Pb2;
P3
=probe Pb3;
P4
=probe Pb4 on Hot Key plug.
St2
Condenser fan stop temperature:
(-55 to 50°C; -67 to 122°F) setting of temperature,
detected by evaporator probe. Over this value of temperature fans are always OFF.
HY2
Differential for condenser fan:
(0.1 to 25.5°C; 1 to 45°F) differential for evaporator ventilator
regulator
FCC
Condenser fan mode operation:
(Cn; on; CY; oY)
•
Cn
= runs with the compressor and OFF during defrost
•
on
= continuous mode, OFF during defrost
•
CY
= runs with the compressor and ON during defrost
•
oY
= continuous mode, ON during defrost
AUXILIARY OUTPUT MANAGEMENT - AUS
ACH
Kind of regulation for auxiliary relay:
(Ht; CL)
Ht
= heating;
CL
= cooling.
SAA
Set Point for auxiliary relay:
(-55.0 to 150.0°C; -67 to 302°F) it defines the room temperature
set point to switch auxiliary relay.
SHY
Differential for auxiliary relay:
(0.1 to 25.5°C; 1 to 45°F) differential for auxiliary output set
point.
•
ACH=CL
, AUX Cut in is [
SAA+SHY
]; AUX Cut out is
SAA
.
•
ACH=Ht
, AUX Cut in is [
SAA
–
SHY]
; AUX Cut out is
SAA
.
ArP
Probe selection for auxiliary relay:
(nP; P1; P2; P3; P4)
nP
= no probe, the auxiliary relay is
switched only by the digital input;
P1
= Probe 1 (Thermostat probe);
P2
= Probe 2 (evaporator
probe);
P3
= do not use it;
P4
= Probe 4.
Sdd
Auxiliary relay switched off during defrost:
(n; Y)
n
= the auxiliary relay operates during
defrost.
Y
= the auxiliary relay is switched off during defrost.
btA
Base Time for timed activation of auxiliary output:
(SEC; Min) SEC=base time is in second
Ato
AUX output in ON state:
0 to 255 (base time defined in par.
btA
)
AtF
AUX output in OFF state:
0 to 255 (base time defined in par.
btA
)
ALARMS - ALr
ALP
Temperature alarms probe selection:
(P1, P2, P3, P4)
ALC
Temperature alarms configuration:
(Ab, rE)
Ab
= absolute;
rE
= relative.
ALU
Maximum temperature alarm:
when this temperature is reached, the alarm is enabled after
the
Ad
delay time.
•
If
ALC=Ab
ALL to 150.0°C or ALL to 302°F.
•
If
ALC=rE
0.0 to 50.0°C or 0 to 90°F.
ALL
Minimum temperature alarm:
when this temperature is reached, the alarm is enabled after the
Ad
delay time.
•
If
ALC=Ab
-55.0°C to ALU or -67°F to ALU.
•
If
ALC=rE
0.0 to 50.0°C or 0 to 90°F.
AFH
Differential for temperature alarm recovery:
(0.1 to 25.0°C; 1 to 45°F) differential for alarms.
ALd
Temperature alarm delay:
(0 to 255 min) delay time between the detection of an alarm
condition and the relative alarm signalling.
Dot
Delay of temperature alarm with door open:
(0.0 to 24h00min, res. 10 min) delay time
between the detection of a temperature alarm condition and the relative alarm signalling, after
powering on the instrument.
dAo
Delay of temperature alarm at start up:
(0.0 to 24h00min, res. 10 min) delay time between
the detection of a temperature alarm condition and the relative alarm signalling, after powering
on the instrument.
CONDENSER TEMPERATURE ALARM - ALr
AP2
Probe selection for second temperature alarms:
(nP; P1; P2; P3; P4)
nP
=no probe;
P1
=thermostat probe;
P2
=evaporator probe;
P3
=do not use it;
P4
=Probe on Hot Key plug
AU1
Second high temperature pre-alarm:
(-55.0 to 150.0°C; -67 to 302°F)
AH1
Differential for second temperature pre-alarm recovery:
(0.1 to 25.0°C; 1 to 45°F)
Ad1
Second temperature pre-alarm delay:
(0 to 255 min; 255 = not used) delay time between the
detection of a condenser pre-alarm condition and the relative alarm signaling.
AL2
Second low temperature alarm:
(-55.0 to 150.0°C; -67 to 302°F)
AU2
Second high temperature alarm:
(-55.0 to 150.0°C; -67 to 302°F)
AH2
Differential for second temperature alarm recovery:
(0.1 to 25.0°C; 1 to 45°F)
Ad2
Second temperature alarm delay:
(0 to 255 min; 255 = not used) delay time between the
detection of a condenser alarm condition and the relative alarm signaling.
dA2
Delay for second temperature alarm at start up:
(0.0 to 24h00min, res. 10 min)
bLL
Compressor off because of second low temperature alarm:
(n; Y)
n
= no,
compressor
keeps on working
; Y
= yes,
compressor is switched off till the alarm is present, in any case
regulation restarts after
AC
time at minimum.
AC2
Compressor off because of second high temperature alarm:
(n; Y)
n
= no,
compressor
keeps on working
; Y
= yes,
compressor is switched off till the alarm is present, in any case
regulation restarts after
AC
time at minimum.
SAF
Differential for anti freezing control:
(-12.0 to 12.0°C; -21.0 to 21.0°F) regulation sopped if
T<SET+SAF
DIGITAL OUTPUT MANAGEMENT - oUt
tbA
Alarm muting:
(n; Y) to disable the (optional) buzzer and the output configured as alarm.
oAx
(x=1,2,3,4)
Output configuration:
(nu; CP1; dEF; FAn; ALr; LiG; AUS; db; onF; HES; Cnd)
nu
=not
used;
CP1
=compressor;
dEF
=defrost;
FAn
=ventilators;
ALr
=alarm;
LiG
=light;
AUS
=Auxiliary relay;
onF
=always on with instrument on;
db
=neutral zone;
HES
=night
blinds;
Cnd
=Condenser fan;
CP2
=second compressor;
dF2
=second defrost;
HEt
=heater
control;
inV
=do not use it.
AoP
Alarm relay polarity:
(oP; CL)
oP
= alarm activated by closing the contact;
CL
= alarm
activated by opening the contact
DIGITAL INPUTS - inP
ibt
Base time for digital inputs:
(SEC; Min)
SEC
= seconds;
Min
= minutes. Delay for activating
the function linked to the digital inputs.
i1P
Digital input 1 polarity:
(oP; CL)
oP
= activated by closing the contact;
CL
= activated by
opening the contact.
i1F
Digital input 1 configuration:
(nu; dor; dEF; AUS; ES; EAL; bAL; PAL; FAn; HdF; onF; LiG;
CC; EMt)
•
nu
=not used
•
dor
= door switch function
•
dEF
= defrost activation
•
AUS
= auxiliary output
•
ES
= energy saving mode activation
•
EAL
= external warning alarm
•
bAL
= external lock alarm
•
PAL
= external pressure alarm
•
FAn
= evaporator fan control
•
HdF
= holiday defrost
•
onF
= ON/OFF status change
•
LiG
= light output control
•
CC
= change configuration (between C1 and C2)
•
EMt
= do not use it
did
Digital inputs 1 alarm delay:
(0 to 255) it is the delay between the detection of an external
event and the activation of the relative function.
i2P
Digital input 2 polarity (if d.i.2 present):
(oP; CL)
oP
= activated by closing the contact;
CL
=
activated by opening the contact.
i2F
Digital input 2 configuration:
(nu; dor; dEF; AUS; ES; EAL; bAL; PAL; FAn; HdF; onF; LiG;
CC; EMt)
•
nu
=not used
•
dor
= door switch function
•
dEF
= defrost activation
•
AUS
= auxiliary output
•
ES
= energy saving mode activation
•
EAL
= external warning alarm
•
bAL
= external lock alarm
•
PAL
= external pressure alarm
•
FAn
= evaporator fan control
•
HdF
= holiday defrost
•
onF
= ON/OFF status change
•
LiG
= light output control
•
CC
= change configuration (between C1 and C2)
•
EMt
= Motion detector
d2d
Digital inputs 2 alarm delay:
(0 to 255) it is the delay between the detection of an external
event and the activation of the relative function.
nPS
Number of external pressure alarms before stopping the regulation:
(0 to 15) after
reaching
nPS
events in the digital input alarm delay (par.
dxd
) the regulation will be stopped
and a manual restart (ON/OFF, power OFF and power ON) will be required
odC
Compressor and fan status after door opening:
(no; FAn; CPr; F-C):
no
= normal;
FAn
= Fans OFF;
CPr
= Compressor OFF;
F-C
= Compressor and fans OFF.
rrd
Regulation restart after door open alarm:
(n; Y)
n
= no regulation if door is opened;
Y
= when
did
is elapsed, regulation restarts even if a door open alarm is present.
LCi
Light output controlled by digital input:
(0 to 255 min) a digital input event will activate the
light output and the output will stay ON for this interval
ENERGY SAVING - ES
HES
Differential for energy saving mode:
(-30.0 to 30.0°C; -54 to 54°F) it sets the increasing
value of the set point during the Energy Saving cycle.
LdE
Energy saving mode controls the lights:
(n; Y) lights off when energy saving mode is active
