FREEZER CONTROLLER Model FA3FX
ATTENTION
Read carefully these instructions before installing and using this device and keep them for future reference. Attention to installation and electrical wiring. Use this device
only as described in this document and never use itself as a security device. The device must be disposed of in accordance with local standards for the collection of
electrical and electronic equipment.
DESCRIPTION
FΑ3FX is a temperature controller for freezer cabinets with defrost control;
temperatures are controlled with NTC/PTC sensors (temperature range 37÷+110°C);
cabinet's door; 3 relays: compressor 30Α 250VAC, fan 10Α 250VAC, defrost 10Α 250VAC; defrosting may be electric or hot gas, a buzzer in case of an alarm. Smart defrost
is also available for power saving and better control of the defrost procedure. The device is mounted on a panel hole and it is restrained with plastic side brackets. Through the
serial input it can be connected to a network either through Cloud IoT on the CORTEX platform or through a local computer with the CAMIN program for complete local recording
and monitoring of the device.
INDICATIONS AND BUTTONS FUNCTION
For more indications regarding the alarms please see the alarm's table at page 4.
ADJUSTING TEMPERATURE – SET POINT
1.
Press
to display the first parameter SPo.
2.
Press
to display its value. With
3.
Press
to save the new value. The device is working with the new adjustment.
INDUSTRIAL FACTORY SETTINGS
1.
Press
to display SPo. Press
2.
Press
to display its value and press
3.
Press
again to exit the parameter menu, 'YES' is displayed on the screen. All appropriate factory settings are now stored in the device.
ON/OFF DEVICE
To activate or deactivate the device, press for 3 seconds
MANUAL DEFROST
Press for 3 seconds
to start a manual defrost with duration based on the parameter dd2.
For more information regarding the defrost check the description of parameter dt6 (parameter Νο 20 - page 3).
PROGRAMMING A PARAMETER
ATTENTION: to gain full access to the parameter's menu, the 2
1.
Press
to enter the parameter menu.
2.
Choose the parameter you want to adjust by pressing
3.
Press
or
to change its value and then press
4.
Press
to exit the parameter menu.
TECHNICAL SPECIFICATIONS
Model FA3FX power supply: 230VAC 50/60Hz / Maximum power consumption: 3W. Model FA3FXW switching power supply 100-264VAC 50/60Hz 5W
It is recommended using a power supply safety fuse: 0.5Α (not included)
Room and evaporator temperature sensors NTC 10K 1% 25°C ΙΡ68 and temperature range -37÷+110°C (-34÷+230°F) (or PTC 1Κ 25
-50÷+110°C (-58÷+230°F) not included) / Accuracy: ±0.5°C
Alarm buzzer / Serial input with 5pin connector / Digital input door
3 anti-explosive relays:
Compressor relay 30Α res. 250VAC normally open contact / Fan and defrost relays 10A res. 250VAC normally open contact / Max current load 16Α
Connections: cable cross section
Connections with terminal blocks 18A using cable with
Operating temperature: -15÷+55°C / Storage temperature: -20÷+80°C
Dimensions 37x79x81mm / The device is mounted on panel hole 29x71mm and restrained with plastic side brackets / Protection IP65 front
Firmware: V8
Display indications
or
change SPo value.
and the parameter Cod is displayed.
to enter the value 31. Press
.
parameter Cod must be adjusted to 22 (see parameter table page 2).
nd
2.5 mm² for all relays /
cable cross section
cable cross section
Suitable for all applications including the ones with anti-explosive standards;
3 indication digits with resolution 0.5°C and 4 buttons; one digital input for controlling the
compressor ON
fan ON
defrost ON
alarm ΟΝ
malfunction ON
to store the value to parameter Cod.
or
and press
to display its value.
to store the new value.
from 0.25 to 1.0 mm² for the sensors and door switch
up to 2.5 mm² / It is recommended using a torque wrench with maximum torque 0.4Nm
Keyboard
enter/exit the parameter's menu
display the parameter's value
enter parameter's value
manual defrost
up arrow
display evaporator temperature Τ2
down arrow
mute buzzer
ON/OFF device (check below)
C and temperature range
o
Firmware V8
room and evaporator
1
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