Danfoss Optyma AK-RC 204B Manuale utente

Installation Guide

Temperature controller for walk-in coolers

and freezers, Type AK-RC 204B and AK-RC 205C

080R9293

AN41473467835501-000102

Warnings

• Using the unit without observing the manufacturer's instructions may alter the appliance's safety requirements. Only probes

supplied by Danfoss should be used for the unit to operate correctly.

• From -40 – +20 °C, if the NTC probe is extended to 1000 m with at least 0.5 mm2cable, the maximum deviation will be 0.25 °C

• It should be installed in a place protected from vibrations, water and corrosive gases, where the ambient temperature does not

exceed the value indicated in the technical data.

• For the reading to be correct, the probe should be used in a place without heat inuences apart from the temperature you want to

measure or control.

• IP65 protection degree is only valid with the protection cover closed.

• IP65 protection degree is only valid if the cables enter the device using a tube for electric conductions + gland with IP65 or above.

The size of the glands should be suitable for the diameter of the tube used.

• Do not spray the unit directly with high-pressure hoses, as this could cause damage.

IMPORTANT:

• Before starting the installation, you must take the advice of local regulations in force.

• The AUXILIARY relays are programmable, and their operation depends on the conguration.

• The function of the digital inputs depends on the conguration.

• The recommended currents and powers are the maximum working currents and powers.

EN : Temperature controller for walk-in coolers and freezers, type AK-RC 204B and AK-RC 205C......................................................................................................1

ES : Controlador de temperatura para cuartos fríos y congeladores, tipo AK-RC 204B y AK-RC 205C .............................................................................................9

FR : Régulateur de température pour chambres froides et congélateurs, type AK-RC 204B et AK-RC 205C............................................................................... 17

DE : Temperaturregler für begehbare Kühl- und Gefrierschränke, typ AK-RC 204B und AK-RC 205C............................................................................................ 25

PT-BR : Controlador de temperatura para câmaras frigorícas e congeladores, tipo AK-RC 204B e AK-RC 205C............................................................................ 33

Wiring

Always disconnect the power supply to do the wiring.

The probes and their cables should NEVER be installed in a conduit together with power, control or power supply cables.

For disconnection, the power supply circuit must be equipped with a switch of at least 2 A, 230 V, located near the device. The power

supply cable will be H05VV-F or NYM 1x16/3. The section to be used will depend on the local standard in force, but must never be less

than 2.5 mm2.

Cables for relay or contactor outputs should have a section of 2.5 mm2, allow working temperatures equal to or over 70 °C and be

installed with as few bends as possible.

The 120/230 V~ wiring must be kept clear of any other external element.

The wiring to be done depends on the type of installation. Use the appropriate diagram based on the option selected in the

wizard. Check the available options on the diagrams included in the controller's packaging.

Wizard refers to a built in tool to guide the user through the set up process.

Maintenance

• Clean the surface of the unit with a soft cloth, water and soap.

• Do not use abrasive detergents, petrol, alcohol or solvents, as this might damage the unit.

ENGLISH

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Keypad

Pressing it for 3 seconds activates/deactivates Stand-by mode. In this mode, regulation is paused and the icon is displayed.

In the programming menu, this exits the parameter without saving changes, returns to previous level or exits programming.

Pressing once displays the temperature of probe S2 for 10 seconds (If it is enabled).

Pressing it for 3 seconds starts/stops the defrost.

In the programming menu, this allows scrolling around the dierent levels, or, during the setting of a parameter, changing its

value.

Pressing it for 3 seconds activates/deactivates continuous cycle mode.

In the programming menu, this allows scrolling around the dierent levels, or, during the setting of a parameter, changing its

value.

Pressing once activates/deactivates the cold room light.

Pressing it for 3 seconds accesses the condensed programming menu.

Pressing it for 6 seconds accesses the expanded programming menu.

In the programming menu, this accesses the level shown on the display or, during the setting of a parameter, accepts the new

value.

Pressing once displays the current eective value of the Set Point, taking into consideration temporary modications by other

parameters (C10 or C12).

When an alarm is underway, pressing once mutes the acoustic alarm. Pressing for 3 seconds accesses the Set Point setting.

Indicators

Fixed: Stand-by mode activated. Regulation is paused.

Flashing: Controlled shutdown process for the regulation underway.

Fixed: Cold room door open.

Flashing: The door has been open for a greater time than has been dened in parameter A12.

There is an active alarm, but not an active HACCP alarm.

Fixed: HACCP alarm active.

Flashing: HACCP alarm registered and unconrmed. Press the key to conrm an HACCP alarm.

Fixed: Evaporator fans active.

Flashing: The evaporator fans should be active but a delay is preventing this.

Fixed: The cold solenoid is active.

Flashing: The solenoid should be active but a delay or protection is preventing this.

Fixed: Compressor active.

Flashing: The compressor should be active but a delay or protection is preventing this.

Defrost relay active.

Continuous cycle mode active.

Cold room light active.

Alarm underway muted.

Temperature displayed in ° Fahrenheit / ° Centigrade.

Programming mode active.

STAND-BY

If the temperature regulation cannot be instantly stopped due to its conguration, a controlled stop process starts and the

icon ashes. To stop the controlled stop process and force the step to Stand-by, press the Stand-by key again for 3 seconds.

Initial conguration

The rst time the unit receives the power supply, it will enter into ASSISTANT mode. The display will show

the message ashing with 0.

Step 1:

Select the most suitable InI option based on the type of installation to be carried out and press SET. The

available options will be shown in the following table:

Step 2:

Use keys and to enter the desired Temperature Set Point value and press SET. The wizard has nished.

The unit will begin to regulate the temperature.

If this is not the rst time you use the wizard, after completing the last step the display will show the

message dFp (default parameters). You may choose between two options:

0:Only changing the parameters which aect the wizard. The other parameters will remain the same.

1:All parameters return to their factory setting except those which have been modied by the wizard.

Important: The wizard will not reactivate. To enter the wizard mode, initiate Stand-by mode by pressing the key for 3 seconds and

wait until the unit completely halts the temperature regulation (the indicator will light up permanently) and press the following keys in

sequence one after the other, , , SET.

Warning: If the pump down function is active, a certain amount of time may elapse between starting the stand-by function and the

controller stopping.

Note: If options 2, 5, 7, 9 or 12 are chosen, check the conguration of parameter I11 according to the pressure switch type used. (See

diagram included with the device).

* o00=2 in AK-RC 204B, o00=0 in AK-RC 205C

InI

Type of installation Parameters Diagram

to be

used

Cold regulation Pump

Down Defrost Evap.

fans Pd o00 I00 I10 I11 I20 I21 d1 d7 F3

0 Demo Mode: it displays the temperature but does not regulate the temperature or activate relays

1 Solenoid No Electric Yes 0 * 2 0 0 0 0 20 0 0 A

2 Solenoid + compressor Yes Electric Yes 1 1 2 7 1 0 0 20 0 0 B

3 Solenoid + compressor No Electric Yes 0 1 2 0 0 0 0 20 0 0 B

4 Solenoid No Air Yes 0 * 1 0 0 0 0 20 1 1 A

5 Solenoid + compressor Yes Air Yes 1 1 1 7 1 0 0 20 1 1 B

6 Solenoid + compressor No Air Yes 0 1 1 0 0 0 0 20 1 1 B

7 Solenoid + compressor Yes Hot gas Yes 1 1 2 7 1 9 1 5 2 0 C

8 Solenoid + compressor No Hot gas Yes 0 1 2 0 0 9 1 5 2 0 C

9 Solenoid + compressor Yes Reversed cycle Yes 1 1 2 7 1 0 0 5 3 0 D

10 Solenoid + compressor No Reversed cycle Yes 0 1 2 0 0 0 0 5 3 0 D

11 Solenoid No Static No 0 * 1 0 0 0 0 20 1 - A

12 Solenoid + compressor Yes Static No 1 1 1 7 1 0 0 20 1 - B

13 Solenoid + compressor No Static No 0 1 1 0 0 0 0 20 1 - B

4 | AN41473467835501-000102 © Danfoss | Climate Solutions | 2022.08

Conguration

Condensed programming menu

Enables the rapid conguration of the most frequently-used parameters (SP, C1, d0, d1, d4, F3, A1 and A2). Press the SET key for 3

seconds to access it.

Extended programming menu

Use the extended programming menu to congure all of the unit’s parameters in order to adapt it to installation requirements. Press the

SET key for 6 seconds to access it.

Regulation and control

Important:

• If the function of the password has been congured as a keypad block (b10=2), or as an access block to parameters (b10=1), you

will be requested to enter the access code programmed in PAS when attempting to access either of the two functions. If the entered

password is not correct, the unit will go back to showing the temperature.

• Certain parameters or menus may not be visible depending on the conguration of the rest of the parameters.

Level 1 Level 2 Description Values Min. Def. Max.

SP Temperature setting (Set Point) °C/°F -50 0.0 99

C0 Probe 1 calibration (Oset) °C/°F -20.0 0.0 20.0

C1 Probe 1 dierential (Hysteresis) °C/°F 0.1 2.0 20.0

C2 Set Point top locking (it cannot be set above this value) °C/°F C3 99 99

C3 Set Point bottom locking (it cannot be set below this value) °C/°F -50 -50 C2

Type of delay for the protection of the compressor:

0=Minimum time of compressor in OFF

1=Minimum time of compressor in OFF and in ON in each cycle

0 0 1

C5 Protection delay time (Value of the option selected in parameter C4) Min. 0 0 120

COOL relay status with fault in probe 1:

0=OFF; 1=ON; 2=Average according to last 24 h prior to probe error

3=ON-OFF according to prog. C7 and C8

0 2 3

C7 Relay time in ON in the event of probe 1 failure

(If C7=0 and C8≠0, the relay will always be disconnected in OFF) Min. 0 10 120

C8 Relay time in OFF in the event of probe 1 failure

(If C8=0 and C7≠0, the relay will always be connected in ON) Min. 0 5 120

C9 Maximum duration of the continuous cycle mode. (0=deactivated) H. 0 0 48

C10

Variation of the Set Point (SP) in continuous cycle mode. When it reaches

this point (SP+C10), it reverts to the normal mode. (SP+C10 ≥ C3).

The value of this parameter is always negative, unless it is 0. (0=OFF)

°C/°F 0 -50 C3-SP

C12 Variation of the Set Point (SP) when the change Set Point function is active.

(SP+C12 ≤ C2) (0= deactivated) °C/°F C3-SP 0.0 C2-SP

C19 Maximum start time from Pump Down

(Values between 1 and 9 seconds will not be accepted) (0=deactivated) Sec. 0 0 120

C20 Maximum time for pump down (0= deactivated) Min. 0 0 15

C21

Probe to be displayed: 0=All probes (sequential)

1=Probe 1 (Cold Room), 2=Probe 2 (Evaporator), 3=Probe 3 (According to

I20)

0 1 3

C22 Stop fans and compressor on opening door 0=No, 1=Yes 0 0 1

C23 Start-up delay for fans and compressor with door open Min. 0 0 999

C27 Probe 3 calibration (Oset) °C/°F -20.0 0.0 20.0

EP Exit to level 1

Defrost

Evaporator fans

Alarms

Level 1 Level 2 Description Values Min. Def. Max.

dEF

d0 Defrost frequency (Time between 2 starts) H. 0 6 96

d1 Maximum defrost duration (0=defrost deactivated) Min. 0 * 255

Type of message during the defrost:

0=Displays the real temperature; 1=Displays the temperature at the start of

the defrost; 2=Displays the dEF message

0 2 2

d3 Maximum duration of the message

(Time added at the end of the defrost process) Min. 0 5 255

d4 Final defrost temperature (by probe) (If I00 ≠ 1) °C/°F -50 8.0 50

d5 Defrost on connecting the unit:

0=NO First defrost according to d0; 1=YES, First defrost according to d6 0 0 1

d6 Delay of the defrost start on connecting the unit Min. 0 0 255

d71) Type of defrost:

0=Resistors; 1=Air/fans, 2=Hot gas; 3=Reversal of cycle 0*3

d8 Count of time between defrost periods:

0=Total real time, 1=Sum of compressor connected time 0 0 1

d9 Drip time when completing defrost (Shutdown of compressor and fans) Min. 0 1 255

EP Exit to level 1

Level 1 Level 2 Description Values Min. Def. Max.

FAn

F0 Shutdown temperature of fans °C/°F -50 45 50

F1 Probe 2 dierential if fans are shut down °C/°F 0.1 2.0 20.0

F2 Shut down fans when the compressor shuts down: 0=No, 1=Yes 0 0 1

F3 Status of the fans during the defrost: 0=Shut down; 1=Running 0 0 1

F4 Delay of start-up after defrost (If F3=0)

It will only actuate if it is higher than d9 Min. 0 2 99

EP Exit to level 1

Level 1 Level 2 Description Values Min. Def. Max.

A0 Conguration of the temperature alarms: 0=Relative to SP, 1=Absolute 0 1 1

A1 Alarm for maximum in probe 1 (It should be higher than the SP) °C/°F A2 99 99

A2 Alarm for minimum in probe 1 (It should be lower than the SP) °C/°F -50 -50 A1

A3 Delay of temperature alarms in the start-up Min. 0 0 120

A4 Delay of temperature alarms from the end of a defrost Min. 0 0 99

A5 Delay of temperature alarms from when the A1 or A2 value is reached 0 30 99

A6 Delay of the external alarm/Severe external alarm on receiving a signal in

digital input (I10 or I20 = 2 or 3) Min. 0 0 120

A7 Delay of external alarm deactivation/Severe external alarm deactivation

when the signal in digital input disappears (I10 or I20 = 2 or 3) Min. 0 0 120

A8 Show warning if the defrost ends for maximum time: 0=No, 1=Yes 0 0 1

Relay alarm polarity

0= Relay ON in alarm (OFF without alarm); 1= Relay OFF in alarm (ON

without alarm)

0 0 1

A10 Dierential of temperature alarms (A1 and A2) °C/°F 0.1 1.0 20.0

A12 Delay of open door alarm (If I10 or I20=1) Min. 0 10 120

EP Exit to level 1

* According to wizard.

1) It can only be modied using the conguration wizard (InI).

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Basic conguration

Inputs and outputs

HACCP alarm

Level 1 Level 2 Description Values Min. Def. Max.

bcn

b00 Delay of all functions on receiving power supply Min. 0 0 255

b01 Cold room light timing Min. 0 0 999

b10 Function of password

0=Inactive, 1=Block access to parameters, 2=Block keypad 0 0 2

PAS Access code (Password) 0 0 99

b20 MODBUS address 0 0 247

b21 Communication speed:

0=9600 bps, 1=19200 bps, 2=38400 bps, 3=57600 bps bps 0 2 3

b22 Acoustic alarm enabled: 0= No, 1=Yes 0 1 1

Unt Work units: 0=°C, 1=°F 0 1 1

EP Exit to level 1

Level 1 Level 2 Description Values Min. Def. Max.

In0

I00 Connected probes

1=Probe 1 (Cold room), 2=Probe 1 (Cold room) + Probe 2 (Evaporator) 1 2 2

I101)

Conguration of digital input 1

0= Deactivated, 1=Door contact, 2=External alarm,

3=Severe external alarm, 4=Change of SP, 5=Remote defrost,

6=Defrost block, 7= Low pressure switch, 8=Remote Stand-by

0*8

I11 Polarity of the digital input 1

0=Activates on closing contact; 1=Activates on opening contact 0 * 1

I20

Conguration of digital input 2

0= Deactivated, 1=Door contact, 2=External alarm,

3=Severe external alarm, 4=Change of SP, 5=Remote defrost,

6=Defrost block, 7=Register probe, 8=Probe 2° evaporator2),

9=High pressure switch for Hot Gas, 10=Remote Stand-by

0 0 10

I21 Polarity of the digital input 2

0=Activates on closing contact; 1=Activates on opening contact 0 0 1

o001)

Conguration of relay AUX1

0=Deactivated, 1=Compressor/Resistor sump, 2=Light, 3=Virtual control,

4=Alarm3)

0*4

o10

Conguration of relay AUX22)

0=Deactivated, 1=Alarm, 2=Light, 3=Virtual control,

4=Door frame resistance, 5=Defrost 2° evaporator,

6=Same as solenoid status, 7=Same as unit status

0 2 7

EP Exit to level 1

Level 1 Level 2 Description Values Min. Def. Max.

HCP

h1 Maximum temperature of HACCP alarm °C/°F -50 99 99

h2 Maximum permitted time for activation of the HACCP alarm (0=Disabled) H. 0 0 255

EP Exit to level 1

* According to wizard.

1) It can only be modied using the conguration wizard (InI).

2) Not available in AK-RC 204B

3) Available in AK-RC 204B only

Information (reading only)

Messages

Level 1 Level 2 Description Values Min. Def. Max.

tid

InI Option chosen in the conguration wizard

Pd1) Pump down active? 0=No, 1=Yes

PU Program version

Pr Program revision

bU Bootloader version

br Bootloader revision

PAr Parameter map revision

EP Exit to level 1

Messages A R

Pd Pump down malfunction error (Shutdown)

LP Pump down malfunction error (Start-up)

E1/E2/E3 Probe 1/2/3 failure (Open circuit, crossed circuit or temperature outside the limits of the probe)

(Equivalent limits in °F)  

Ad0 Open door alarm. Only if the door stays open for a greater time than is indicated in parameter A12  

AH Maximum temperature alarm in control probe. The temperature value programmed in A1 has been reached  

AL Minimum temperature alarm in control probe. The temperature value programmed in A2 has been reached  

AE External alarm activated (by digital input)  

AES Severe external alarm activated (by digital input)  

Adt Defrost alarm concluded due to time-out. The time established in d1 has been exceeded

HCP HACCP alarm. The temperature has reached the value of parameter h1 during a longer period than has been

established in h2  

hCP + PF HACCP alarm due to a fault in the power supply. The temperature established in h1 has been reached following a

fault in the power supply  

dEF Indicates that a defrost is being performed

PAS Access code (Password) request. See parameters b10 and PAS

S1 - S2 Shown sequentially with the temperature: The controller is in demo mode, the conguration has not been

made.

1) It can only be modied using the conguration wizard (InI).

A: Activates the acoustic alarm

R: Activates the alarm relay

Ordering

Controller

Accessories (for spares and replacement purposes):

Model Description Comments Code no.

AK-RC 204B AK-RC 204B Gen. 2,5 O/P, Single phase Includes:

• 1 x 1.5 m, NTC 10K sensor

• 1 x 3 m, NTC 10K sensor

080Z5001

AK-RC 205C AK-RC 205C Gen. 2,5 O/P, Single phase 080Z5002

Name Features Qty Code no.

3.5 m, NTC 10K Sensor Thermo plastic rubber probe 1 084N3210

8.5 m, NTC 10K sensor Thermo plastic rubber probe 50 084N3208

1.5 m, NTC 10K sensor Stainless steel probe 150 084N3200

8 | AN41473467835501-000102 © Danfoss | Climate Solutions | 2022.08

Technical specications

Features Specications

Power supply 230 V~ ± 10%, 50 Hz ± 5%

Maximum input power in the operation 6.3 VA

Maximum nominal current 15 A

Relay SSV / DEFROST - SPDT - 20 A NO EN60730-1: 15 (15) A 250 V~

NC EN60730-1: 15 (13) A 250 V~

Relay FAN - SPST - 16 A EN60730-1: 12 (9) A 250 V~

Relay COOL - SPST - 16 A EN60730-1: 12 (9) A 250 V~

Relay AUX 1 - SPDT - 20 A NO EN60730-1: 15 (15) A 250 V~

NC EN60730-1: 15 (13) A 250 V~

Relay AUX 2 - SPDT - 16 A NO EN60730-1: 12 (9) A 250 V~

NC EN60730-1: 10 (8) A 250 V~

No. of relay operations EN60730-1:100.000 operations

Probe temperature range -50.0 – +99.9 °C

Resolution, setting and dierential 0.1 °C

Thermometric precision ±1 °C

Loading tolerance of the NTC probe at 25 °C ±0.4 °C

Working ambient temperature AK-RC 204B -10 – +50 °C

AK-RC 205C -10 – +45 °C

Storage ambient temperature -30 – +60 °C

Protection degree IP 65

Installation category II s/ EN 60730-1

Pollution degree II s/ EN 60730-1

Control device classication

Built-in assembly, with Type 1.B automatic operation action feature, for use in clean situations,

logical support (Software) class A and continuous operation. Degree of contamination 2 acc. to

UNE-EN 60730-1.

Double isolation between power supply, secondary circuit and relay output.

Temperature during ball-pressure test Accessible parts: 75 °C

Parts which position active elements: 125 °C

Current of radio jamming suppression tests 270 mA

Voltage and current as per EMC tests 207 V, 17 mA

Type of assembly Fixed internal

MODBUS address Shown on label

Dimensions 290 mm (W) x 141 mm (H) x 84.4 mm (D)

Internal buzzer Yes

Warnings

• Utilizar el equipo no respetando las instrucciones del fabricante, puede alterar los requisitos de seguridad del aparato. Para el

funcionamiento correcto del mismo sólo deberán utilizarse sondas de las suministradas por Danfoss.

• Entre –40 °C y +20 °C, si se prolonga la sonda NTC hasta 1000 m con cable de mínimo 0.5 mm2, la desviación máxima será de 0.25 °C.

• Debe ser instalado en un sitio protegido de las vibraciones, del agua y de los gases corrosivos, donde la temperatura ambiente no

supere el valor reejado en los datos técnicos.

• Para que la lectura sea correcta, la sonda debe ubicarse en un sitio sin inuencias térmicas ajenas a la temperatura que se desea

medir o controlar.

• El grado de protección IP65 solo es válido con la tapa protectora cerrada.

• El grado de protección IP65 sólo es válido si la entrada de cables al equipo se realiza mediante tubo para conducciones eléctricas +

prensastopas con IP65 o superior. El tamaño de los prensastopas debe ser el adecuado para el diametro de tubo utilizado.

• No rociar directamente el equipo con mangueras de alta presión, puede resultar dañado.

IMPORTANTE:

• Antes de comenzar la instalación, debe seguir el consejo de las normas locales vigentes.

• Los relés AUXILIARES son programables, su funcionamiento depende de la conguración.

• La función de las entradas digitales depende de la conguración.

• Las intensidades y potencias indicadas son las máximas de trabajo admitidas.

Conexionado

Desconectar siempre la alimentación para realizar el conexionado.

Las sondas y sus cables NUNCA deben instalarse en una conducción junto con cables de potencia, control o alimentación.

El circuito de alimentación debe estar provisto de un interruptor para su desconexión de mínimo 2 A, 230 V, situado cerca del aparato.

El cable de alimentación será del tipo H05VV-F o NYM 1x16/3. La sección a utilizar dependerá de la normativa local vigente, pero

nunca deberá ser inferior a 2.5 mm2.

Los cables para las salidas de los relés o contactor deben tener una sección de 2.5 mm2, deben admitir temperaturas de trabajo

iguales o superiores a 70 °C y se deben instalar minimizando su exión.

La zona de conexión a 120 / 230 V~ debe mantenerse despejada de cualquier elemento externo.

El conexionado a realizar depende del tipo de instalación. Utilice el esquema adecuado en función de la opción escogida en el

asistente. Consulte las opciones disponibles en la hoja de esquemas adjunta.

Asistente se reere a una herramienta integrada para guiar al usuario a través del proceso de conguración.

Mantenimiento

• Limpie la supercie del equipo con un paño suave, agua y jabón.

• No utilice detergentes abrasivos, gasolina, alcohol o disolventes, el equipo puede resultar dañado.

ESPAÑOL

Controlador de temperatura para cuartos fríos y congeladores

Tipo AK-RC 204B y AK-RC 205C

Teclado

Pulsando durante 3 segundos, activa / desactiva el modo Stand-By. En este modo la regulación se detiene y el display muestra el

icono . En el menú de programación, sale del parámetro sin guardar cambios, retrocede al nivel anterior o sale de programación.

Una pulsación corta muestra la temperatura de la sonda S2 durante 10 segundos (Si está habilitada).

Pulsando durante 3 segundos, inicia / detiene el desescarche.

En el menú de programación, permite desplazarse por los diferentes niveles, o, durante el ajuste de un parámetro, variar el valor

del mismo.

Pulsando durante 3 segundos, activa / desactiva el modo ciclo contínuo.

En el menú de programación, permite desplazarse por los diferentes niveles, o, durante el ajuste de un parámetro, variar el valor

del mismo.

Una pulsación corta activa / desactiva la luz de la cámara.

Pulsando durante 3 segundos, accede al menú de programación reducido.

Pulsando durante 6 segundos, accede al menú de programación extendido.

En el menú de programación, accede al nivel mostrado en pantalla o, durante el ajuste de un parámetro, acepta el nuevo valor.

Una pulsación corta muestra el valor efectivo actual del Set Point, teniendo en cuenta las modicaciones temporales por otros

parámetros (C10 ó C12).

Con una alarma en curso, una pulsación corta silencia la alarma acústica.

Pulsando durante 3 segundos, accede al ajuste del Set Point.

Indicadores

Fijo: Modo Stand-By activo, la regulación está detenida.

Intermitente: Proceso de paro controlado de la regulación en curso.

Fijo: Puerta de la cámara abierta.

Intermitente: La puerta lleva abierta un tiempo superior al denido en el parámetro A12.

Hay una alarma activa, pero no de HACCP.

Fijo: Alarma HACCP activa.

Intermitente: Alarma de HACCP registrada y sin conrmar. Para conrmar una alarma HACCP, pulsar la tecla .

Fijo: Ventiladores de evaporador activos.

Intermitente: Los ventiladores de evaporador deberían estar activos pero algún retardo se lo impide.

Fijo: La solenoide de frío esta activa.

Intermitente: La solenoide debería estar activa pero algún retardo o protección se lo impide.

Fijo: Compresor activo.

Intermitente: El compresor debería estar activo pero algún retardo o protección se lo impide.

Relé de desescarche activo.

Modo ciclo contínuo activo.

Luz de la cámara activa.

Alarma en curso silenciada.

Temperatura indicada en °Fahrenheit / °Centigrados.

Modo de programación activo.

STAND-BY

Si la regulación no puede detenerse al instante debido a su conguración, se inicia un proceso de paro controlado y el icono

parpadea. Para detener el proceso de paro controlado y forzar el paso a Standby, pulsar la tecla Stand-by de nuevo durante 3

segundos.

Questo manuale è adatto per i seguenti modelli

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