23
9.2.- Auxiliary relay
This menu is used to configure the different operating options of the auxiliary relay:
Ÿ
AUX relay configuration:
It defines the operation of the auxiliary relay.
ž
Disabled: It does not carry out any function.
ž
Activated by key: The relay is activated/deactivated pressing the
P
key for 5 seconds.
ž
Activated by input: The relay activates/deactivates according to the status of the digital input, and to
do so, one of the digital inputs should be configured as "AUX relay activation" (See page 22).
ž
Equal state equipment: The relay stays active when the unit is operating, and disconnects when it goes
to Stand-by mode or when the power supply is interrupted.
ž
2nd Defrost: It controls the defrost of the second evaporator (See page 16).
ž
Pump down control: It controls the liquid solenoid valve in the stop and start processes with pump
down (See page 18).
ž
Equal compressor state: The auxiliary relay is activated/deactivated by copying the compressor status
(terminals 36 and 37).
Ÿ
Defrost 2 duration:
It defines the maximum duration of the second defrost.
Ÿ
Defrost 2 final temp.:
If defines the end temperature of the second defrost.
Ÿ
Defrost 2 sensor:
It defines which probe controls the second defrost:
ž
Disabled: No probe controls the second defrost, it always ends by maximum time, according to the
Duration defrost 2
parameter.
ž
Probe 2: Probe 2, located in the main evaporator, acts as master, stopping both defrosts when the
temperature configured in the
Defrost final temperature
parameter of the
H
menu is reached.
ž
Probe 3: Probe 3, located in the secondary evaporator, stops the second defrost when the temperature
configured in the
Defrost 2 final temp.
parameter is reached.
IMPORTANT:
If probe configuration has been defined as “TEMP at S1/REG at S3”, the log is not carried
out.
Ÿ
Pump down duration:
It defines the maximum safety time for the stop operation in the pump down mode
(See page 18).
Ÿ
Pump down On delay:
It defines the maximum safety time for the start-up operation in the pump down
mode (See page 18).
Auxiliary relay function.
