AKO AKO-16524A, User Manual

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1652H4A02 Ed.09
18
Door management
Door management requires configuring one of the digital inputs as “Door contact” ( I10 ó I20 =1).
Standard operating mode ( CE =0)
Door management allows for the installation's behaviour to be controlled, should the cold room door open
through parameters
C22 and C23 .
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 the maximum time, in minutes, that the installation can remain without producing cold
whilst the door is open. If C23 =0, cold is not produced with 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 the time set in parameter C24 has passed, cold production stops
and does not activate again until the time set in C23 has passed.
If, when the door is opened, cold is not being produced, only parameter C23 is
taken into account.
Management of door frame resistor
If the Set Point is equal to or below -4°C and the relay AUX 2 has been
configured as “door frame resistor” (
o10 =4), the resistor is activated
(relay ON) when the temperature of the cold room drops below -3°C, and
is deactivated (relay OFF) when 0°C is reached.
SP
Door
C23
COOL
Open
ON ON
SP+C1
Configuration:
C22: 1
C23: 5
S1
Door frame
resistor
C NC
AUX 2
NO
N L
100-240 V~
50/60 Hz