1592026601 XWi70K STD FULL EN r1.6 2022.07.29.docx XWi70K 5/15
Minimum Set Point: (-100.0°C to SET; -148°F to SET) fix the minimum value for the
set point.
Maximum Set Point: (SET to 150.0°C; SET to 302°F) fix the maximum value for the
set point.
Compressor regulation differential in normal mode: (0.1 to 25.0°C; 1 to 45°F) set
point differential. Compressor Cut-IN is T > SET + HY. Compressor Cut-OUT is
T<=SET.
Proportional band in normal mode: (0.1 to 25.5°C; 1 to 45°F) define a second
regulation band which is used when double ONOFF compressor regulation or a
variable speed compressor is configured.
Output activation delay at start-up: (0 to 255 min) this function is enabled after the
instrument power-on and delays the output activations.
Anti-short cycle delay: (0 to 999 sec) minimum interval between a compressor stop
and the following restart.
Anti-short cycle delay (2nd compressor): (0 to 999 sec) delay before activating
second compressor, depending on regulation mode selected by par. 2CC
Activation mode for 2nd compressor (valid if oAx=CP1 and oAy=CP2): (FUL;
HAF) FUL=second compressor will be activated after AC1 delay. HAF=second
compressor will be activated with step logic.
Enable compressor rotation: (n;Y) n = CP1 is always the first compressor activated.
Y = CP1 and CP2 activation is alternated
Maximum time with compressor ON: (0 to 255min) maximum time with ONOFF
compressor active. With MCo=0 this function is disabled.
Regulation percentage=F(P1; P2) (100=P1; 0=P2): 100=P1 only; 0=P2 only
Maximum duration for Pull Down: (0.0 to 99h50min, res. 10min) after elapsing this
time interval, the super cooling function is immediately stopped.
Pull Down phase differential (SET+CCS or SET+HES+CCS):
(-12.0 to 12.0°C; -21 to 21°F) during any super cooling phase the regulation
SETPOINT is moved to SET+CCS (in normal mode) or to SET+HES+CCS (in
energy saving mode)
Threshold for automatic activation of Pull Down in normal mode
(SET+HY+oHt): (0.0 to 25.5°C; 0 to 45°F) this is the upper limit used to activate the
super cooling function.
Compressor ON time with faulty probe: (0 to 255 min) time during which the
compressor is active in case of faulty thermostat probe. With Con=0 compressor is
always OFF.
Compressor OFF time with faulty probe: (0 to 255 min) time during which the
compressor is OFF in case of faulty thermostat probe. With CoF=0 compressor is
always active.
Probe selection: (ntC; Pt1) ntC=NTC type; Pt1=PT1000 type
Probe P1 calibration: (-12.0 to 12.0°C; -21 to 21°F) allows to adjust any possible
offset of the first probe.
Probe P2 presence: n = not present; Y = present.
Probe P2 calibration: -12.0 to 12.0°C; -21 to 21°F) allows to adjust any possible
offset of the second probe.
Probe P3 presence: n = not present; Y = the defrost is present.
Probe P3 calibration: (-12.0 to 12.0°C; -21 to 21°F) allows to adjust any possible
offset of the third probe.
Probe P4 presence: n = not present; Y = present.
Probe P4 calibration: (-12.0 to 12.0°C; -21 to 21°F) allows to adjust any possible
offset of the fourth probe.
VARIABLE SPEED DRIVE MENU – vSC
Minimum value for Variable Speed Compressor (RPM * 10): (0 to FMA) select
according to the VSC in use
Maximum value for Variable Speed Compressor (RPM * 10): (FMi to 500) select
according to the VSC in use
Minimum value for Variable Speed Compressor (RPM * 10) in Energy Saving
Mode: (0 to EMA) select according to the VSC in use
Maximum value for Variable Speed Compressor (RPM * 10) in Energy Saving
Mode: (EMi to 500) select according to the VSC in use
Value when Variable Speed Compressor is shut down (RPM * 10): (0 to 200) select
according to the VSC in use
PI regulator, temperature sampling time: (00:00 to 42min:30sec)
PI regulator, integral sampling time: (00:00 to 42min:30sec)
Type of Variable Speed Compressor: (nu; FrE) nu = no VSC in use; FrE = VSC with
frequency control mode is used; VC1 = Embraco with serial control; VC2 = SECOP
with serial control.
Signal output variation for Variable Speed Compressor: (0 to 100 Hz or RPM*10)
VSC variation when SET-HY ≤ T ≤ SET+HY
Signal output variation for Variable Speed Compressor: (0 to 100 Hz or RPM*10;
nu)) VSC variation when SET-HY-HY1≤T<SET-HY and SET+HY<T≤SET+HY+HY1
Signal output variation for Variable Speed Compressor: (0 to 100 Hz or RPM*10;
nu)) VSC variation when SET-HY-HY1<T and T>SET+HY+HY1
Variable Speed Compressor (in %) during any Pull Down: (0 to 100%) this value
is always calculated using FMi and FMA limits. 0=function disabled.
Compressor speed (in %) in case of any probe error during Con interval: (0 to
100%) this value is always calculated using FMi and FMA limits.
Compressor speed (in %) during any defrost cycle (valid if tdf=in): (0 to 100%)
this value is always calculated using FMi and FMA limits.
Compressor speed (in%) during a pre-defrost phase (valid if tdf=in): (0 to 100%)
this value is always calculated using FMi and FMA limits.
PI regulator, max interval for output variation: (tLv to 255 sec)
PI regulator, min interval for output variation: (1 sec to tHv)
PI regulator, range for output value calculation (RPM * 10): (0=disabled; 1 to 255
RPM*10)
PI regulator, delay before range drift: (0 to 255 sec)
PI regulator, divisor for PI response time reduction (acts on both par. tSt and
iSt): (1 to 10)
Continuous control ON in normal mode: (n; Y) Y = VSC is never stopped during
regulation.
Continuous control ON in energy saving mode: (n; Y) Y = VSC is never stopped
during regulation.
Compressor speed threshold to activate lubrication (valid for variable speed
compressors only, 0=disabled): (nu; 1 to 100%; OFF) nu = not used; 1 to 100% =
select the percentage to activate function; OFF = compressor is stopped when the
condition is reached
Time range with compressor speed below MnP to activate lubrication cycle:
(00:00 to 24h00min) time before activating the lubrication function
Time range with compressor speed at 100% to activate lubrication cycle: (0 to
255 min) VSC will be forced to 100%, for tMA, after activating the lubrication function.
NOTE: if MnP=OFF, VSC will be stopped for tMA
Number of serial controlled VSC: (1 to 2) number of VSC connected
Serial address for compressor 1: (1 to 247)
Serial address for compressor 2: (1 to 247)
VARIABE SPEED FAN (MODBUS) - vSF
Number of serial condenser fans (0=disabled): (0 to 4) number of variable
speed condenser fans controlled via Modbus. Only EMB ventilators are supported.
Serial addresses for condenser fans: (1 to 247) up to 4 condenser fan can be
controlled in parallel (all of them will use the same speed value).
Serial baudrate for condenser fan (kbaud): 4.8=4800baud; 9.6=9600baud;
19.2=19200baud
Direction of rotation for condenser fan: (Lt; rt) Lt = left rotation; rt = right rotation
Time with condenser efficiency function activated: (0 to 255 sec) interval for
condenser fans cleaning function.
Default configuration sent to condenser fan (at power on): (n; Y)
Temperature measurement unit: (°C; °F) °C = Celsius; °F = Fahrenheit.
Temperature resolution: (dE; in) dE = decimal; in = integer.
Remote keyboard visualization: (P1; P2; P3; P4; Set; dtr) Px=probe “x”; Set=set
point; dtr=percentage calculated from P1 and P2 and using par. dtr.
Temperature display delay: (0.0 to 20min00sec, res. 10 sec) when the temperature
increases, the display is updated of 1°C or 1°F after this time.
Probe visualization percentage, F(P1; P2): (1 to 99) with dtr=1 the display will show
this value VALUE=0.01*P1+0.99*P2
Defrost mode: in=fixed intervals; rtC=following real time clock
Defrost type: EL=electrical heaters; in=hot gas
Probe selection for defrost control: (nP; P1; P2; P3; P4) nP=no probe; Px=probe
“x”.
Probe selection for 2
nd
defrost control: (nP; P1; P2; P3; P4) nP=no probe;
Px=probe “x”.
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.
End 2
nd
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.
Interval between two successive defrost cycles: (0 to 120 hours) determines the
time interval between the beginning of two defrosting cycles.
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.
Maximum length of 2
nd
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.
Start defrost delay: (0 to 255 sec) delay in defrost activation.
Compressor off-cycle before starting any defrost: (0 to 255 sec) interval with
compressor OFF before activating hot gas cycle
Displaying during defrost: (rt; it; SEt; dEF; Coo) rt = real temperature; it = start
defrost temperature; SEt = set point; dEF = label “dEF”; Coo = when a defrost ends,
it shows the label “Coo” until the regulation temperature is above SET+HY+HY1
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.
Draining time: (0 to 120 min) regulation delay after finishing a defrost phase
Drain heater enabled after draining time (par. Fdt): (0 to 255 min) the relative output
will stay on after draining time.
Sampling time to calculate the average compressor speed before any desfrost
cycle: (0 to 255 min) the average compressor speed is used only with VSC.
Defrost cycle enebled at stat-up: (n; Y) enables defrost at power on.
Pre-defrost time: (0 to 255 min) enable a lower setpoint (SET-1°C or SET-2°F) before
activating the defrost phase.
Automatic defrost (at the beginning of any energy saving mode): (n; Y) n=function
disabled; Y=function enabled
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.
Type of synchronized defrost: (n; SYn; nSY; rnd) 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; rnd = random defrost function.
Differential temperature for latent heating control (0.1 to 1.0 °C) to catch the latent
heating phase during any defrost
Number of connected controllers for special defrost operations (valid if
Syd=SYn, nSY or rnd): (1 to 20) number of devices connected to the same network
for syncro, desyncro or random defrost.
Probe selection for evaporator fan: (nP; P1; P2; P3; P4) nP=no probe; Px=probe “x”.
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