background image

1652H302 Ed.03

10

Cold regulation

Solenoid control (COOL Relay)

Cold  production  is  regulated  by  means  of  opening  / 
closing the solenoid valve.
When  the  temperature  in  probe  S1  reaches  the  set 
point (

SP

) value plus the probe's differential (

C1

), the 

solenoid  opens  and  causes  the  temperature  to  drop. 
Once the set point (

SP

) value is reached, the solenoid 

closes.

Compressor control (Relay AUX 1)

With Pump Down (

Inl:

 2, 5, 7, 9, 12)

Requires  the  connection  of  a  low  pressure 
switch in digital input 1.

When  the  temperature  in  probe  S1  reaches  the  set 
point (

SP

) value plus the probe’s differential (

C1

), the 

solenoid opens, causing the pressure in the evaporator 
to  increase  and,  therefore,  the  low  pressure  switch 
deactivates and the compressor starts up. 
Once the set point (

SP

) value is reached, the solenoid 

closes,  causing  the  pressure  in  the  evaporator  to 
decrease,  triggering  the  low  pressure  switch  and 
stopping the compressor.
For further details of the process, see the next page.

Without Pump Down (

Inl:

 3, 6, 8, 10, 13)

The compressor operates simultaneously with the solenoid valve, starting up when the latter opens and stopping 
when it closes.

Operation in the event of a fault in probe S1

If  probe  S1  fails  (fault,  disconnection,  etc.  ),  compressor  behaviour  will  depend  on  parameter 

C6

,  with  one  of  3 

options available:

C6=0:

 The compressor is stopped until probe S1 begins to operate again.

C6=1:

 The compressor is started-up until probe S1 begins to operate again

C6=2:

 The  compressor  operates  in  line  with  the  average  operation  during  the  24  hours  prior  to  the  error, 

taking into account the number of start-ups and stops and the average time in each state (stop-start). 
If 24 hours have not elapsed without a probe error, the device moves to 

C6=3

 mode.

C6=3:

 C6=3: The compressor operates in line with the times programmed in 

C7

 (ON) and 

C8

 (OFF).

SP+C1

SP+C1

SP

SP

Solenoid

Solenoid

Low 

pressure

switch

Compressor

Compressor

ON

ON

ON

ON

ON

ON

C7

C7

C8

S1

S1

Содержание AKO-16520

Страница 1: ...AKO 16523 AKO 16520 AKO 16523D AKO 16523P AKO 16520P Temperature controller for cold room store User manual GB 1652H302 Ed 03...

Страница 2: ...tee of its operation in any use not foreseen in the manual and is not responsible for any damage resulting from improper use configuration installation or commissioning It is the responsibility of the...

Страница 3: ...O 15586 Earth the cable mesh at one end only Only NTC type probes supplied by AKO must be used for the appliance to operate correctly It must be installed in a place protected from vibrations water an...

Страница 4: ...confirmed Press the key to confirm an MUT HACCPalarm Constant Evaporatorfansactive Flashing The evaporator fans should be active butadelayispreventingthis Constant Thecoldsolenoidisactive Flashing The...

Страница 5: ...secondsactivates deactivatesthecontinuouscyclemode In the programming menu it allows scrolling through the different levels or during the setting of a parameter changingitsvalue Pressingoncewithouthol...

Страница 6: ...holes 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 sc...

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: ...0 Only change the parameters which affect the wizard The other parameters will remain the same 1 All parameters return to their factory setting except those which have been modified by the wizard COR...

Страница 9: ...programmed in A2 has been reached see p 18 Activates the alarm relay and the audible alarm External alarm activated by digital input see p 18 Activates the alarm relay and the audible alarm Severe ext...

Страница 10: ...pressure switch and stopping the compressor For further details of the process see the next page Without Pump Down Inl 3 6 8 10 13 The compressor operates simultaneously with the solenoid valve start...

Страница 11: ...will not stop until the low pressure switch 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...

Страница 12: ...Point to be reduced or increased If it is configured in 0 the mode is disabled It is activated in three possible ways By means of an external switch connected to one of the digital inputs The digital...

Страница 13: ...Parameter C22 defines whether cold production should be stopped if the door opens If C22 1 when the door opens the fans stop and 15 seconds later the solenoid closes COOL relay Parameter C23 defines...

Страница 14: ...installation there are no evaporator fans and defrost is performed by stopping cold production Hot gas InI 7 and 8 d7 2 The hot gas from compressor discharge is used to melt evaporator ice and to thi...

Страница 15: ...ses COOL relay OFF and the 4 way valve returns to its initial position DEF relay OFF and the compressor stops AUX 1 relay OFF starting the drip time Defrost control Defrost start Defrost will start if...

Страница 16: ...t the installation s load does not excessively increase exceeding the permitted limits The external switch must be connected to one of the digital inputs which should be configured as Defrost locking...

Страница 17: ...performed Fan control Fans are controlled through probe 2 evaporator and parameters F0 stop temperature and F1 probe differential If probe 2 is not connected or an error in the probe E2 is detected th...

Страница 18: ...rees are reached 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...

Страница 19: ...messages HCP and PF power 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 i...

Страница 20: ...the pump down manoeuvre See p 11 Light control Relay AUX 1 or AUX 2 must be configured as Light o00 or o10 2 Switching the lights on or off is controlled using The push button One press switches the l...

Страница 21: ...AKONet software AUX 2 relay only devices with 5 relays Deactivated o10 0 It does not carry out any function Alarm o10 1 This activates the relay every time that an alarm occurs see p 19 Light o10 2 T...

Страница 22: ...PROGRAMMING Description Values Min Def Max SP Temperature setting Set Point C F 50 0 0 99 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 Max...

Страница 23: ...uested 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 C...

Страница 24: ...20 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 C1...

Страница 25: ...e 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 t...

Страница 26: ...en 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 A9 Relay alarm polarity 0 Relay ON in alarm OFF without al...

Страница 27: ...h pressure switch for Hot Gas 0 0 9 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 R...

Страница 28: ...tivity 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 in...

Страница 29: ...e NTC probe at 25 C 0 4 C Input for NTC probe AKO 14901 Working ambient temperature AKO 16523 AKO 16520 L P O C a 50 C AKO 16523P AKO 16520P 10 C a 45 C AKO 16523D 10 C a 40 C Storage ambient temperat...

Страница 30: ...the application for mobile devices this module provides the unit with multiple functionalities Data logging Activity summaries Logging of configuration changes Logging of events and alerts Remote conf...

Страница 31: ...1652H302 Ed 03 31...

Страница 32: ...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...

Отзывы: