Device designed to display, control and regulate cooling generators (manual or automatic
programmable defrosting). Auxiliary relay configurable for indicating alarms, defrost 2nd
evaporator o solenoid control. Possible stop for pump down. Input for independent probe or
defrost control in 2nd evaporator.
1464H202 Ed.01
Surface temperature controller with 4 relays and 3 probes
GB
MODEL
FUNCTION
RELAY
POWER SUPPLY,
50/60 Hz
COOL: 16 A, 250 V, cos
ϕ
=1, SPST
AKO-14641
Controller
DEF:
8 A, 250 V, cos
ϕ
=1, SPDT
120 V~
FAN:
6 A, 250 V, cos
ϕ
=1, SPST
+8% -12%
AUX:
6 A, 250 V, cos
ϕ
=1, SPST
COOL: 16 A, 250 V, cos
ϕ
=1, SPST
AKO-14642
Controller
DEF:
8 A, 250 V, cos
ϕ
=1, SPDT
230 V~
FAN:
6 A, 250 V, cos
ϕ
=1, SPST
±10%
AUX:
6 A, 250 V, cos
ϕ
=1, SPST
1- Versions and references
2- Technical data
Temperature range: . . . . . . . . . . . . . . . . . . . . . . -50.0 ºC to 99.9 ºC (-58.0 ºF to 211 ºF)
Resolution, Set Point and differential: . . . . . . . 0,1 or 1 ºC/ºF configurable by parameter P7
Input for NTC probe: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AKO-149XX
Thermometric accuracy: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 1 ºC
Probe tolerance at 25 ºC: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 0,4 ºC
Maximum input power:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 VA
Working ambient temperature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ºC to 50 ºC
Storage ambient temperature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 ºC to 70 ºC
Control device classification:
Independent mounting, with characteristic of automatic operation Type 1.B action, to be
used in a clean situation, logical medium (software) class A and continuous operation.
Degree of contamination 2 on UNE-EN 60730-1.
Double insulation between the power supply, the secondary circuit and the relay output.
Allocated pulse temperature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 V
Pressure ball test temperature:
Accesible parts: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 ºC
Parts that position active elements: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 ºC
Voltage and current declared by the EMC tests: . . . . . . . . . . . . . . . . . . . . . 207 V, 23 mA
Current of radio jamming supression test: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 mA
3.2 Connection:
The probe and its lead should
NEVER
be installed in ducting
along with power, control or
power supply wiring.
The power supply circuit should be
connected with a minimum 2 A,
230 V, switch located close to the
unit. Power supply cables should
be H05VV-F 2x0,5 mm
2
or H05V-K
2x0,5 mm
2
.
Section of connecting wires for
relays contacts should be 2,5 mm
2
.
3- Installation
The controller should be installed in a place protected from vibrations, water and corrosive
gases, and where ambient temperature does not surpass the value specified in the technical
data.
In order to give a correct reading, the probe should be installed in a place without heat
influences other than the temperature that is to be measured or controlled.
DEF
1
2
4
5
8
3
9
10
11
12
13
14
±
10% 50/60 Hz
COOL
C
S1-TEM
S2-DEF
DI1
*16A
*8A
*6A
*I
m
ax
= 1
6
A
co
s
ϕ
=1
250
V
230V~
In=23mA~
6
FAN
15
*6A
AUX
DI2
S3-AMB
AK
O-
14
642
DEF
1
2
4
5
8
3
9
10
11
12
13
14
−
12% 50/60 Hz
COOL
C
S1-TEM
S2-DEF
DI1
*16A
*8A
*6A
*I
m
ax
= 1
6
A
co
s
ϕ
=1
250
V
120V~ +8%
In=54mA~
6
FAN
15
*6A
AUX
DI2
S3-AMB
AK
O-
14
641
4- Front panel functions
LED Cool (Compressor)
Permanent:
Cooling relay COOL (com-
pressor) energised.
Flashing:
Because of the temperature
detected by Sensor 1 (TEM), the COOL
relay should be energised, but is no due to
a programmed parameter.
LED Fan
Permanent:
FAN relay energised.
Flashing:
Because of the temperature
detected by Sensor 2 (DEF), the Fan relay
should be energised, but is no due to a pro-
grammed parameter.
LED Def
Permanent:
Indicates defrost in opera-
tion.
LED Alarm
Permanent:
Alarm indicator enabled.
Flashing:
Alarm detected, but display
maintained.
LED
COOL
ºC
ºF
LED
DEF
LED
ºC
LED
ºF
LED Continuous
Cycle
DOWN
Key
RIGHT
Key
SET
Key
UP
Key
LEFT
Key
LED
Fan
LED
Alarm
LED DT
LED
AUX
LED AUX
Permanent:
AUX relay indicator enabled
by key. If CAU=1.
LED DT
Permanent:
Indicates last defrost ended
by time.
LED Continuous cycle
Permanent:
It indicates that the conti-
nuous cycle is active
LED ºC
Permanent:
Degrees ºC indicator.
Flashing:
Programming phase
LED ºF
Permanent:
Degrees ºF indicator.
Flashing:
Programming phase
UP Key
- Press once to cancel the alarms, but they
remain displayed.
- In programming, it makes the displayed
value increase.
- When pressed it displays the help messa-
ge
dEF
corresponding to the short key
function that it performs.
- When pressed for at least 5 seconds, a
manual
defrost
is started / stopped with
programmed duration.
DOWN Key
- Press once to cancel the alarms, but they
remain displayed.
- In programming, it makes the displayed
value reduce.
- When pressed, it displays the help mes-
sage
Con
corresponding to the function
performed by the key.
- Pressing during 3 seconds,it activates /
deactivates the
CONTINUOUS CYCLE
during the time for which it has been
programmed.
RIGHT Key
- Press once to cancel the alarms, but they
remain displayed.
- In programming, it makes the level value
increase.
- When pressed, it displays the help mes-
sage
oFF
corresponding to the function
performed by the key.
- Pressing during 3 seconds it turns off/on
the unit leaving it in
STAND-BY
. The dis-
play shows
oFF
when the unit is discon-
nected.
LEFT Key
- Press once to cancel the alarms, but they
remain displayed.
- Exit programming level.
Key
- Press once to cancel the alarms, but they
remain displayed.
- In programming, accept the programmed
new value.
- When pressed it displays the help messa-
ge
SP
corresponding to the function per-
formed by the key.
- When pressed for at least 5 seconds, the
SP
Set Point
temperature is displayed.
Keys + +
- Press simultaneously to change the dis-
play from Probe 1 to Probe 2 and vice
versa for 5 seconds.
5.2 Parameters configuration
Level 1
Menus
When the keys
+
are pressed simultaneously for at least 10 seconds, the display
shows
Pro
for 10 seconds. LED ºC or ºF will be flashing, we are in the programming LEVEL
1 MENUS and the first menu “
rE
” is displayed.
- Press
key to access the next menu and
key to return to previous one.
- Pressing
key, the controller returns to the CURRENT TEMPERATURE display status and
LED ºC or ºF will stop flashing.
When
PA
is displayed, PASSWORD programmed in
L5
of “
tid
” menu should be entered to
access programming LEVEL 1 MENUS.
- Press
key.
0
will be displayed to ENTER PASSWORD.
- Press
or
keys to CHANGE NUMBER and DISPLAY PASSWORD programmed.
- Press
key to ACCEPT PASSWORD. The first menu “
rE
” will be displayed.
171
35
60
94
125,5
41
,5
Detail of fixing screw-holes.
Ø max 3.7
Suitable fixing screw-holes for universal
flush-mounting wall box
.
Press down lightly
to open the cover.
CURRENT
TEMPERATURE
ACCEPT
PASSWORD
DISPAY
SET POINT
CHANGE SET POINT
ACCEPT THE NEW
ENTER
PASSWORD
DISPLAY
PASSWORD
CURRENT
SET POINT
NEW
SET POINT
If
P2=0
or
L5=0
PASSWORD
REQUEST
CHANGE NUMBER
5 Sec.
5- Adjustment and configuration
It should only be programmed or modified by personnel who are fully conversant with the
equipment operation and possibilities.
5.1 Set Point temperature
The factory SET POINT default value is 0.0 ºC.
- Press
key for at least 5 seconds to DISPLAY SET POINT. Displays
SP
for 5 seconds. It
displays the CURRENT SET POINT value and LED ºC or ºF starts flashing.
- Press
or
keys to CHANGE SET POINT into the required value.
- Press
key to ACCEPT THE NEW SET POINT. The display returns to the CURRENT TEM-
PERATURE display status and LED ºC or ºF stops flashing.
- Press the
key to exit the temperature set point without modifying the value.
When
PA
is displayed, PASSWORD programmed in
L5
parameter of
tid
menu should be
entered to access the CURRENT SET POINT.
- Press
key.
0
will be displayed to ENTER PASSWORD.
- Press
or
keys to CHANGE NUMBER and DISPLAY PASSWORD programmed.
- Press
key to ACCEPT PASSWORD. The CURRENT SET POINT value will be displayed
and it can be already modified.
DEF
1
2
4
5
8
3
9
10
11
12
13
14
±
10% 50/60 Hz
COOL
C
S1-TEM
S2-DEF
DI1
*16A
*8A
*6A
*I
m
ax
= 1
6
A
co
s
ϕ
=1
250
V
230V~
In=23mA~
6
FAN
15
*6A
AUX
DI2
S3-AMB
AK
O-
14
642
DEF
1
2
4
5
8
3
9
10
11
12
13
14
−
12% 50/60 Hz
COOL
C
S1-TEM
S2-DEF
DI1
*16A
*8A
*6A
*I
m
ax
= 1
6
A
co
s
ϕ
=1
250
V
120V~ +8%
In=54mA~
6
FAN
15
*6A
AUX
DI2
S3-AMB
AK
O-
14
641
3.1 Fastening
PROBES
PROBES
