1592040000 XR20-30-60-70T EN v1.5 2021.06.22
XR20-30-60-70T
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dtE
End defrost temperature:
(-55 to 50°C; -67 to 122°F) sets the temperature measured by the
evaporator probe (
dFP
), which causes the end of defrost cycle.
idF
Interval between two successive defrost cycles:
(0 to 255 hours) determines the time interval
between the beginning of two defrosting cycles.
MdF
Maximum length of defrost cycle:
(0 to 255 min; 0 means no defrost) when
P2P=n
(no
evaporator probe presence) it sets the defrost duration, when
P2P=Y
(defrost end based on
evaporator temperature) it sets the maximum length for the defrost cycle.
dSd Start defrost delay:
(0 to 255 min) delay in defrost activation.
StC
Compressor stop before starting any defrost:
(0 to 900 sec) interval with compressor OFF
before activating hot gas cycle
dFd
Display during defrost:
(rt; it; SP; dF)
rt
= real temperature;
it
= start defrost temperature;
SP
= SET-POINT;
dF
= label “
dF
”.
dAd
Temperature display delay after any defrost cycle:
(0 to 255 min) delay before updating the
temperature on the display after the end of any defrost.
Fdt
Draining time:
(0 to 255 min) regulation delay after finishing a defrost phase
Hon
Drain heater enabled after draining time (par. Fdt):
(0 to 255 min) the relative output will stay on
after draining time.
dPo Defrost cycle enebled at stat-up:
(n; Y) enables defrost at power on.
HYP Differential temperature during any pre-defrost phase:
(-12.0 to 12.0°C; -21 to 21°F)
Pd2 Defrost output deactivation delay:
(0 to 255 sec)
dAF Pre-defrost time:
(0 to 255 min)
od1
Automatic defrost (at the beginning of any energy saving mode):
(n; Y)
n
=function disabled;
Y
=function enabled
od2
Optimized defrost:
(n;Y)
n
= function disabled;
Y
= the controller needs a temperature probe
placed on the evaporator surface to monitor the presence of ice during any defrost phase.
dSt
Temperature sampling time during an optimized defrost (valid only if od2=yes):
(1 to 255
sec) interval used to analyze the evaporator temperature and define the defrost phase
SYd
Type of synchronized defrost:
(n; SYn; nSY) n = function disabled;
SYn
= synchronized, all
devices connected will start a defrost phase at the same time.
nSY
= de-synchronized, all devices
connected will delay the beginning of the same defrost phase.
dt1
Differential temperature for latent heating control
(0.1 to 1.0 °C) to catch the latent heating
phase during any defrost
ErS
Restart regulation after dripping time, when defrost Syd = nSY: n
= disabled;
Y
= enabled
ndE
Number of devices connected to the virtual network for random defrost (valid if Syd=rnd):
(1
to 20) number of devices connected to the same network for syncro or desyncro defrost.
5.1.5 Evaporator and condenser fan configuration parameters - FAn
FAP
Probe selection for evaporator fan:
(nP; P1; P2; P3; P4)
nP
=no probe;
Px
=
probe “x”. Note:
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. Above this temperature value fans are always OFF.
NOTE: it works only for
the evaporator fan, NOT for the condenser fan.
HYF
Evaporator fan regulator
differential:
(0.1 to 25.5°C; 1 to 45°F) evaporator fan will stop when the
measured temperature (from FAP) is T<FSt-HYF.
FnC
Evaporator fan operating mode:
(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
Evaporator fan delay after defrost cycle:
(0 to 255 min) delay before fan activation after any
defrosts.
FCt
Differential for cyclic activation of evaporator fans:
(0 to 50°C)
FSU
Evaporator fan operating mode:
(Std; Fon; FoF)
Std
= standard mode, evaporator fan uses par
FnC
;
Fon
= evaporator Fan always on;
FoF
= evaporator fan always off.
Ft
Evaporator fan controlled during defrost:
(n; Y)
n
= evaporator fan uses par.
FnC
during any
defrost;
Y
= evaporator fan regulator is active during any defrost.
Fon
Evaporator fan ON time in normal mode (with compressor OFF):
(0 to 255 min) used when
energy saving status is not active.
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