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1652H4A02 Ed.09

Troubleshooting

Errors during calibration

The error message is displayed alternately with the CAL message. The

icon flashes.

Error

Description

Solution

E1/E2/E3

Probe error 1 / 2 / 3

Check condition and wiring of affected probe

E10

Evaporator defrost error

Check defrost operation, it must end by
temperature (d4)

E20

Idem for E10 but relating to the second evaporator

E11

Similar temperature in probes S1 and S2

Check position of both probes following
recommendations on page 8

E20

Idem for E11 but relating to probe S3

E12

It has not been possible to carry out the calibration
due to a lack of stability in the system

Avoid opening cold room door during calibration.
Check main components of the refrigeration
circuit, in particular the aspiration part

E22

Idem for E12 but relating to the second evaporator

E17

Excessive door openings have been detected
during calibration and it has not been possible to
calibrate.

Avoid opening cold room door during calibration.

Error

Description

Solution

E1/E2/E3

Probe error 1 / 2 / 3

Check condition and wiring of affected probe

E13

Similar temperature in probes S1 and S2

Check position of both probes following
recommendations on page 8

E23

Idem for E11 but relating to probe S3

E14

A lack of stability has been detected in the system Check main components of the refrigeration

circuit, in particular the aspiration part

E24

Idem for E14 but relating to the second evaporator

E15

Persistent lack of system stability has led to
deactivation of the SELFDRIVE mode

Check main components of the refrigeration
circuit, in particular the aspiration part and the
position of probe 2 or 3.
To return to the SELFDRIVE mode restart the
device

E25

Idem for E15 but relating to the second evaporator

E16

Configuration has been changed from 1 to 2
evaporators or vice versa.

If the configuration change is correct, start a
manual calibration

E18

Excessive door openings have been detected and
the device cannot regulate in SELFDRIVE mode.

Check that the door has not been left open or
that it does not open more than necessary

Errors during operation

The error message is displayed alternately with the temperature. The

icon flashes.

Содержание AKO-16524A

Страница 1: ...AKO 16524A AKO 16525A Advanced temperature controller for cold rooms User manual GB 1652H4A02 Ed 09...

Страница 2: ...not responsible for any damage caused by non compliance with regulations Follow strictly the instructions given in this manual To maximise the service life of our equipment these recommendations shou...

Страница 3: ...e through a tube for electric conduits gland with IP65 or above The size of the glands must be suitable for the diameter of the tube used Do not spray the unit directly with high pressure hoses as thi...

Страница 4: ...RIVEmodeisactive Flashing An error has been detected in the SELFDRIVEmode Constant Evaporatorfansactive Flashing The evaporator fans should be active butadelayispreventingthis Constant Thecoldsolenoid...

Страница 5: ...ugh the different levels or during the setting of a parameter changingitsvalue Pressingoncewithoutholdingactivates deactivatesthecoldroomlight Pressingitfor3secondsaccessesthecondensedprogrammingmenu...

Страница 6: ...oles in the wall with the aid of the template included Fix the device to the wall If it is a brick wall use the screws and plugs supplied if the wall is made of sheet metal cold room store use the scr...

Страница 7: ...ittle bending as possible The 120 230V wiring area must be kept clear of any other external element The wiring to be undertaken depends on the option selected in the initial configuration wizard see p...

Страница 8: ...referably in its air aspiration area Location of the evaporator probe The probe must be located as near as possible to the inlet of refrigerant from the evaporator close to the expansion valve in the...

Страница 9: ...ivity between the application and the CAMM module communication is disconnected tore establishit returntoscreen Devicelist andpressthe button REF Insert the CAM AKO 58500 module in the pre installed b...

Страница 10: ...By mode by pressing the m key for 3 seconds and wait until the unit completely halts regulation the m indicator will light up permanently and press in this order the following keys one after the othe...

Страница 11: ...emperature in control probe alarm The temperature value programmed in A2 has been reached see p 25 Activates the alarm relay and the audible alarm External alarm activated by digital input see p 25 Ac...

Страница 12: ...or probe It has not been possible to carry out the calibration due to a lack of stability in the system Excessive door opening excessive oscillations in the lower pressure etc Error during normal oper...

Страница 13: ...ost cycles IMPORTANT During the calibration processes the following should be avoided Opening the cold room door Turning the controller off or putting it on stand by Changing controller parameters inc...

Страница 14: ...w pressure switch and stopping the compressor For further details of the process see the next page Without Pump Down Inl 3 6 8 The compressor operates simultaneously with the solenoid valve starting u...

Страница 15: ...g this mode the compressor begins to operate until the temperature in probe S1 reaches the set point value minus the variation indicated in parameter C10 The value of C10 is always negative unless it...

Страница 16: ...module and the AKO CAMM tool application EXAMPLE If the SELFDRIVE mode is active It is recommended for calibration to be performed with the lowest set point value It is recommended that the difference...

Страница 17: ...is activated but it will display the Pd message after 15 minutes START When the temperature in probe S1 reaches the set point value plus the differential SP C1 the COOL relay activates opening the li...

Страница 18: ...ith the door open SELFDRIVE operating mode CE 1 If the SELFDRIVE mode is active in the case of opening the door the fans stop or do not stop depending on parameter C22 If the door does not close when...

Страница 19: ...solenoid are stopped Hot gas InI 7 and 8 d7 2 The hot gas from compressor discharge is used to melt evaporator ice and to this end two valves are necessary one at the condenser input A SSV relay and a...

Страница 20: ...frost completion Defrost will complete if The temperature programmed in parameter d4 has been reached in probe 2 This requires a 2nd probe l00 2 to be available located in the evaporator The time conf...

Страница 21: ...e is recommended Parameter d31 allows establishing a time limit without making defrosts if the cold room does not require defrosts set it to 0 if the cold room can generate frost it is recommended to...

Страница 22: ...e d9 and fan stop time F4 are complete Remote defrost This function allows defrost of the unit to be activated using an external button connecting it to one of the digital inputs that must be configur...

Страница 23: ...osting This requires configuration of relay AUX 2 as 2nd evaporator defrost o10 5 Defrost begins simultaneously in both evaporators When the probe of evaporator 1 reaches the temperature defined in d4...

Страница 24: ...frost see p 20 Parameter C22 defines whether fans stop when the door is opened Control of fans in SELFDRIVE mode CE 1 With the SELFDRIVE mode active fan control is performed taking into account the ev...

Страница 25: ...hed in probe 1 and will deactivate when 8 degrees are reached External alarm severe external alarm The message EA External alarm or SEA Severe external alarm is displayed when the digital input config...

Страница 26: ...r failure alternately Alarm delays These delays prevent certain alarms from being shown to allow the installation to recover its normal operation after certain events Delays in start up A3 This delays...

Страница 27: ...ing the lights on or off is controlled using The push button One press switches the lights on or off LHT The cold room door When the door is opened the lights remain on for the time defined by paramet...

Страница 28: ...o10 0 It does not carry out any function Alarm o10 1 This activates the relay every time that an alarm occurs see p 26 Light o10 2 This regulates the operation of cold room light see p 27 Virtual con...

Страница 29: ...ed to the value considered as reasonable Dashboard The Dashboard provides general operating indicators of the device to facilitate analysing its operation The indicators can be displayed in three ways...

Страница 30: ...mperature setting Set Point C F 50 0 0 99 CE SELFDRIVE Mode 0 Deactivated 1 Activated 0 1 1 C1 Probe 1 differential Hysteresis C F 0 1 2 0 20 0 d0 Defrost frequency Time between 2 starts H 0 6 96 d1 M...

Страница 31: ...quested to enter the password 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 IMPORTANT...

Страница 32: ...d 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 r...

Страница 33: ...f 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...

Страница 34: ...0 2 or 3 Min 0 0 120 A8 Show warning if the defrost ends for maximum time 0 No 1 Yes 0 0 1 A9 Relay alarm polarity 0 Relay ON in alarm OFF without alarm 1 Relay OFF in alarm ON without alarm 0 0 1 A10...

Страница 35: ...perature 12 Remote Stand by 0 0 12 I21 Polarity of the digital input 2 0 Activates on closing contact 1 Activates on opening contact 0 0 1 O00 Configuration of relay AUX1 0 Deactivated 1 Compressor Re...

Страница 36: ...ctivity The controllers are equipped with a port for connection of RS485 MODBUS data which allows for remote management of these using an AKO 5012 web server The MODBUS address is factory set and is i...

Страница 37: ...e NTC probe at 25 C 0 4 C Input for NTC probe AKO 14901 Working ambient temperature 10 C a 50 C Storage ambient temperature 30 C to 60 C Protection degree IP 65 Installation category II s EN 60730 1 P...

Страница 38: ...Description Solution E1 E2 E3 Probe error 1 2 3 Check condition and wiring of affected probe E13 Similar temperature in probes S1 and S2 Check position of both probes following recommendations on pag...

Страница 39: ...1652H4A02 Ed 09 39...

Страница 40: ...etes 30 38 08812 Sant Pere de Ribes Barcelona Spain Tel 34 902 333 145 Fax 34 938 934 054 www ako com We reserve the right to supply materials that might vary slightly to those described in ourTechnic...

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