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Description
Temperature controller with output for electronic expansion valve regulation and evaporator fan speed control.
In addition to regulating the cooling of the cold room, the controller can be configured to control superheating and
regulate the speed of the evaporator fans using an inverter or electronic fans.
Constant: Stand-By mode activated. Regulation
is paused.
Flashing: controlled stop process for the regu-
lation in progress.
Constant: cold room door open.
Flashing: the door has been open for a longer
time than defined in parameter A12.
There is an active alarm (no HACCP or temper-
ature).
Constant: HACCP alarm active.
Flashing: HACCP alarm recorded and
unconfirmed To acknowledge an HACCP alarm,
press the
key.
The temperature alarm is active.
Constant: evaporator fans active.
Flashing: the evaporator fans
should be active but something is
preventing them from activating.
Pulsing: evaporator fans controlled by analogue
output.
Constant: the COOL relay is active.
Flashing: the COOL relay should be active but a
delay or protection is preventing this.
Pulsing: expansion valve regulated.
1
2
19
351652611 Ed. 02
1: Display; 2: Keypad
Constant: compressor active.
Flashing: the compressor should be active but a
delay or protection is preventing this.
Defrosting active.
Continuous cycle mode active.
Cold room light active.
Alarm in progress muted.
Temperature displayed in °Fahrenheit / °Centi-
grade.
Programming mode active.
Lower display showing the real time superheat-
ing value.
Lower display showing percentage of EEV open-
ing or percentage of evaporator fan power (de-
pending on configuration).
Lower display showing low pressure in psi/bar.
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