KELD KLTX3 Specification And Operating Instructions
Description
The KLT13I, KLT23I , KLT33I and KLT43I series are electronic
temperature controllers for cold refrigeration units.
These devices allow to control the Compressor, Defrost, Fan,
Alarm and Light, and have up to 3 probes. The KLT43I series
includes the possibility of two compressors.
NTC or PTC probes can be selected by parameter. They have
also a configurable digital input according to parameter E0
These thermostats allow the Master/Slave configuration to
synchronize the defrost between different thermostats.
Errors and alarms can be viewed on display.
HACCP option can record temperature, time of temperature
alarms and power fails.
The Slink multifunction input allows an easy programming of the
parameters with a KLKEY, the connection of a Real Time Clock
and Memory Module or the connection of a R485 Module
Interface.
Model references
The model reference is given by: KLTX3IB -DVYZ
Each suffix can take the following values:
B
Buzzer:
B:Internal buzzer, Null:Without buzzer
V
Color:
R:Red, G:Green, B:Blue
Y
Supply Voltage:
230:230Vac, 115:115Vac
24:24Vac/dc, 12:12Vac/dc
Z
Temp. Units:
C:ºC, F:ºF
Installation
Wiring
Avoid installing the cables of the probes and the digital input, in
the proximity of any power cable. If the length of the probe cables
measure is longer than 100 meters, a re-calibration adjustment
must be made P1 , P2 P3
Maintenance
The thermostat must be located in a place protected from
vibrations, impacts, water and corrosive gases.
It will be made a 71x29mm panel cut-out to insert the
thermostat (apply silicone to make it leaktight ). Then the fixing
clips must be fasten, sliding it onto the thermostat, until it is well
secure.
ó
Cleaning
Clean the surface of the controller with a soft, damp cloth.
Never use abrasive detergents, petrol, alcohol or solvents.
Repairs
All the repairs must be carried out by authorised people.
Technical Data
Storage temperature
-20ºC to 80ºC (-4 to 176ºF)
Operating temperature
0ºC to 65ºC (32 to 149ºF)
Temperature probe
PTC / NTC
Probe range
PTC -50ºC to 150ºC (-58 to 302ºF)
NTC -50ºC to 110ºC (-58 to 230ºF)
Temperature accuracy
Better than 1
Temperature resolution
Supply voltages
115Vac+/-10%, 230Vac+/-10%
12Vac/dc +/-10%, 24Vac/dc +/-10%
Supply powers
3.6VA (230V) 1.5VA (12V)
% of full scale
0.1º PTC , 1º NTC
Displays
3-digit and sign
SLINK
For KLKEY or Real Time Clock and Memory Module
or Communication Module
Outputs
KLT43 Model
REL 1
SPDT Relé Carga Resistiva 16A
1HP 240Vac -- 10FLA, 60LRA 240Vac
REL 4
SPDT Relé Carga Resistiva 16A
1HP 240Vac -- 10FLA, 60LRA 240Vac
REL 2
SPST Relé Carga Resistiva 8A 240Vac
REL 3
SPDT Relé Carga Resistiva 8A 240Vac
KLT13,KLT23,KLT33 Models
REL 1
SPST Relé Carga Resistiva 16A
1HP 240Vac -- 10FLA, 60LRA 240Vac
REL 2
SPST relay resistive load 5A 240Vac
REL 3
SPST Relé Carga Resistiva 8A 240Vac
Dimensions
77x 36 x 62 mm (3.03 x 1.42 x 2.44 in)
Front Protection
IP64
Parameter description - continuation
Defrosting
d0 = Cold / Heat mode (KLT13)
re = Cold
In = Heat
d0 = Type of defrosting (KLT23, KLT33, KLT43)
re = defrosting without connecting the compressor.
in = defrosting by connecting the compressor.
d1 = End of defrosting temperature.
When this temperature is reached the defrosting will end.
d2 = Maximum defrosting time.
The defrosting will stop when this time is reached.
If it is zero there will be no defrosting.
d3 = first Hour defrosting of the day
From 00:00 hours the first defrosting is at d3 hours.
Until this time no defrosting is performed
d4 = Delay first defrosting.
Time to carry out the first defrosting if d3 = yes.
d5 = Display during the defrosting.
Off = The current temperature will be shown during defrosting.
On = The temperature at defrost beginning is frozen on display
until the end of defrosting and until the current temperature is
equal or lower than the initial one, or until d6 time elapses.
-d- = Label -d- is displayed during defrosting, until the end of
defrosting and until the current temperature is equal or lower than
the initial one, or until d6 time elapses.
d6 = Display return limit.
Maximum time before viewing the current temperature again
after defrosting.
d7 = Compressor drip time.
Time since defrosting ends until the compressor can be
connected.
d8 = Interval between defrosting.
Time between the start of a defrosting and the start of the
following one.
If it is zero defrosting is not done automatically by time.
d9 = Fan operation during defrosting time.
It determines if the fan is connected or not during defrosting.
d10 = Fan drip time.
Time since defrosting ends until fan can be connected.
d11 = Minimum Time duration defrosting
Once defrosting begins it stays at least during this time
d12 = Fan & defrosting control probe.
sd1 = ambient probe.
sd2 = defrosting probe
sd3 = product probe
d14 = Units to count the defrosting cyle.
rt = according to the time of working of the controller.
ct = according to the time of working of the compressor.
PROBES
P0 = ºC or ºF, Temperature scale
P1 = Ambient probe calibration
Degrees shift of the ambient probe.
P2 =
Degrees shift of the defrosting probe.
P3 = Product
Degrees shift of the product probe.
P4 = Decimal point
P5=Probe to be viewed normally on the display.
sd1 = ambient probe.
sd2 = defrosting probe.
sd3 = product probe
P6 = Probe 2 Defrosting present.
If there is a probe 2 connected to thermostat
P7 = Probe 3 Product present.
If there is a probe 3 connected to thermostat
(DEF)
(Pro)
Defrosting probe calibration
probe calibration
ALARMS(ALA)
INITIALIZATION (INI)
A0 = Fan & alarm differential.
This is the temperature difference between the on and off cycle of
the alarms and fan
A1 = Maximum alarm.
High alarm ON at Set+A1. High alarm OFF at Set+A1-A0.
A2 = Minimum alarm.
Low alarm ON at Set-A2. Low alarm OFF at Set-A2+A0.
A3 = Time validation open door or external alarm.
If open door or external alarm is maintained during this time, alarm
will be indicated. (Depending on the E0 configuration of digital input)
A4 = Alarm exclusion time after defrosting.
During the defrosting and this time after it, temperature alarms will
be ignored.
A5 = Alarm exclusion time after opening the door.
While the door is open (if A5>0) and time A5 after closing it, alarms
will be ignored.
A6 = Alarm exclusion after connection.
Until this time has elapsed since the connection, temperature
alarms will be ignored.
A7 = Temperature alarm time validation.
Time since the alarm situation occurs, until it is given.
A8 = Probe Alarm.
sd1 = ambient probe
sd2 = defrosting probe
sd3 = product probe
Hor = Hour
Min = Minutes
E0 = Digital input configuration.
Off = Digital input disabled.
Al = External alarm. There is an alarm if input is short-circuited.
In = Door open if input is short-circuited.
def = Order to initiate a defrost if input is short-circuited.
ndf = No defrosting will be made if input is short-circuited.
H0 = Factory Configuration. Record Factory Configuration.
H1 = Master/Slave
H1=Master. The thermostat issues defrosting orders to slave
connected thermostats through the digital input
H1=Slave. The thermostat performs defrosting ordered by the
master connected to its digital input.
In both cases the input must be E0=def
H2 = Keyboard protection.
Yes =Keyboard protected. To modify Set, activate/de-activate
defrosting and activate/de-activate continuous cycle we have to
enter the code and then quit. The protection is removed
momentarily. It is activated again 1 minute after the last key is
pressed.
No = Keyboard not protected.
H3 = Delay time on connecting.
Until this time has elapsed since turning-on power, the compressor
will not start-up.
H4 = Address for serial communication.
H4 from 1 to 255 Modbus protocol, others KELD protocol
H5 = Input code to parameters.
This code is set to 00 from factory.
H6 = Type of Probe
PTC or NTC
H7 = Configuration 2 Relay and H8 = Configuration Relay 3
We can choose that it is Light (Li), Fan (Fan), Alarm (ALA) or
Defrosting (dEF), reverse fan (FAI)
H9 = Configuration Relay 4 (Single KLT43)
We can choose that it is Light (Li), Fan (Fan), Alarm (ALA),
Defrosting (dEF) or second compressor (Con)
HdE = Hours(HdE):Minutes(MdE) the defrost will begin at
MdE = Hours(HdE):Minutes(MdE) the defrost will begin at
Specification and Operating Instructions
KLTX3
Temperature Controllers
Wiring Diagram
E L E C T R Ó N I C A
E L E C T R Ó N I C A
ETDT1412I_120126
Electrónica Keld, S.L.
Pol.Ind. Empresarium. C/Lentisco 15
50720 - La Cartuja Baja, ZARAGOZA
Spain
Phone: +34 976 429 099
Fax:+34 976 593 532
E-mail: keld@keld.es
Web: http://www.keld.es
ETDT1412I_120126
Electrónica Keld, S.L.
Pol.Ind. Empresarium. C/Lentisco 15
50720 - La Cartuja Baja, ZARAGOZA
Spain
Phone: +34 976 429 099
Fax:+34 976 593 532
E-mail: keld@keld.es
Web: http://www.keld.es
1
4
3
2
6
9
7
10
5
Rel1
230Vac
amb.
Com
def.
in.
S
L
IN
K
pro.
KLT13
1
4
3
2
6
7
5
230Vac
sd1 sd2
in
S
L
IN
K
sd3
Rel3
Rel1
8 9
10 11 12 13 14 15
Rel4
Rel2
16 17 18
KLT43
19
gnd
gnd
1
4
3
2
6
9
8
7
10
5
Rel1
230Vac
Rel2
amb.
Com
def.
in.
S
L
IN
K
pro.
KLT23
1
4
3
2
6
9
8
7
10
5
Rel1
230Vac
Rel2
amb.
Com
def.
Rel3
11
in.
S
L
IN
K
pro.
KLT33