1
FREEZER CONTROLLER Model FA3F
ATTENTION
Firmware V7
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
FΑ3F
is a temperature controller for freezer cabinets with defrost control; room and evaporator temperature is controlled with NTC/PTC sensors;
3 indication digits with resolution
0.5°C and 4 buttons; one serial input for controlling the cabinet’s door; 3 relays: compressor 30Α 250VAC, fan 10Α 250VAC, defrost 10Α 250VAC; defrosting may be electric
or by hot gas; a buzzer in case of an alarm; the device is mounted on a panel hole and it is restrained with plastic side brackets; it
can connect to the monitoring and controlling
network CAMIN via serial input using an interface with MODBUS protocol.
INDICATIONS AND BUTTONS FUNCTION
For more indications regarding the alarms please see the alarm’s table at page 3.
1.
Press
to display the first parameter
SPo
.
2.
Press
to display its value. With
or
change its value.
3.
Press
to save the new value. The device is working properly with the new adjustment.
1.
Press
to display
SPo
. Press 3 times
and the parameter
Cod
is displayed.
2.
Press
to display its value and press
to enter the value
31
. Press
to store the value to parameter
Cod
.
3.
Press
again to exit the parameter menu. All appropriate factory settings are now stored in the device.
1.
To deactivate the device, press at the same time
for more than 3 seconds.
2.
To activate the device, press for 3 seconds
.
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 11 - page 2).
PROGRAMMING A PARAMETER
ATTENTION
: to gain full access to the parameter’s menu, the 4
th
parameter
Cod
must be adjusted to
22
(see parameter table page 2).
1.
Press
to enter the parameter menu.
2.
Choose the parameter you want to adjust by pressing
or
and press
to display its value.
3.
Press
or
to change its value and then press
to store the new value.
4.
Press
to exit the parameter menu.
Power supply: 230VAC 50/60Hz / Maximum power consumption: 3W / Firmware: V7
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
o
C and temperature range
-50÷+110°C (-58÷+230°F) not included) / Accuracy: ±0.5°C
Alarm buzzer / Serial input with 5pin connector / Digital input door
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
2.5 mm² for all relays /
cable cross section
from 0.25 to 1.0 mm² for the sensors and door switch
Connections with terminal blocks 18A using cable with
cable cross section
up to 2.5 mm² / It is recommended using a torque wrench with maximum torque 0.4Nm
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
FA3F
can connect to the memory key or to data logger model Mini Logger or to CAMIN network:
Memory key: parameter’s values can be downloaded to the memory key or can be uploaded to the thermostat from it.
Mini Logger: the thermostat can connect to a data logger and store temperatures, relay status and alarms to a microSD. A cable is used to connect the data logger with the
thermostat and parameter Add must be adjusted to 1.
Display indications
compressor ON
fan ON
defrost ON
alarm ΟΝ
malfunction ON
Keyboard
enter/exit the parameter’s menu
display the parameter’s value
enter parameter’s value
manual defrost or manual heating with
countdown
up arrow
display evaporator temperature Τ2
OFF device (check below)
down arrow
mute buzzer
ON/OFF device (check below)
ADJUSTING TEMPERATURE – SET POINT
INDUSTRIAL FACTORY SETTINGS
ON/OFF DEVICE
MANUAL DEFROST
TECHNICAL SPECIFICATIONS
SERIAL INPUT
