8 • XR75CX I&O Manual
026-1210 Rev 4
7
Parameters
Code
Parameter
Function
REGULATION
HY
Differential
(0.1 to 25.5°C; 1 to 45°F) Intervention differential for setpoint.
Compressor Cut IN is Set Point + differential (
HY
). Compressor
Cut OUT is when the temperature reaches the setpoint.
LS
Minimum setpoint
(-50°C to SET; -58°F to SET) Sets the minimum value for the
setpoint.
US
Maximum setpoint
(SET to 110°C; SET to 230°F) Sets the maximum value for
setpoint.
ot
Thermostat probe calibration
(-12.0 to 12.0°C; -21 to 21°F) Allows to adjust possible offset of
the thermostat probe.
P2P
Evaporator probe presence
(n; Y)
n
= not present, the defrost stops by time;
Y
= present, the
defrost stops by temperature.
oE
Evaporator probe calibration
(-12.0 to 12.0°C; -21 to 21°F) Allows to adjust possible offset of
the evaporator probe.
P3P
Third probe presence (P3)
(n; Y)
n
= not present, the terminals 18-20 operate as digital
input;
Y
= present, the terminals 18-20 operate as third probe.
o3
Third probe calibration (P3)
(-12.0 to 12.0°C; -21 to 21°F) Allows to adjust possible offset of
the third probe.
P4P
Fourth probe presence
(n; Y) n = Not present; Y = present
o4
Fourth probe calibration
(-12.0 to 12.0°C; -21 to 21°F) Allows to adjust possible offset of
the fourth probe.
odS
Outputs activation delay at start up
(0 to 255min) This function is enabled at the initial start up of
the instrument and inhibits any output activation for the period
of time set in the parameter.
AC
Anti-short cycle delay
(0 to 50min) Minimum interval between the compressor stop
and the following restart.
rtr
Percentage of the second and first
probe for regulation
(0 to 100; 100=P1, 0=P2) Allows to set the regulation according
to the percentage of the first and second probe, as for the
following formula (
rtr
(P1-P2)/100 + P2).
CCt
Compressor ON time during
continuous cycle
(0.0 to 24h00min, res. 10min) Allows to set the length of the
continuous cycle. Compressor stays ON without interruption
during
CCt
time. This is useful, for instance, when the room is
filled with new products.
CCS
Setpoint for continuous cycle
(-50 to 110°C; (-58 to 230°F) Sets the setpoint used during the
continuous cycle.
Con
Compressor ON time with faulty
probe
(0 to 255min) Time during which the compressor is active in
case of faulty thermostat probe. With
Con=0
compressor is
always OFF.
CoF
Compressor OFF time with faulty
probe
(0 to 255min) Time during which the compressor is OFF in case
of faulty thermostat probe. With
CoF=0
compressor is always
active.
DISPLAY
Table 7-1 - List of Parameters
