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FR · ERC 21X user manual · DKRCC.ES.RL0.H3.02/520H9656 · ©Danfoss
Menu code Parameter description
o26
Relay 4 counter
The number of cycles for the DO4 relay can be read in this menu.
The read value is multiplied by 100 to obtain the number of cycles.
On reaching 999x100 cycles the counts stops and is reset to 0.
o36
DO4 configuration
This parameter is to configure 4th relay as light or Alarm in case of 4 relay controller (ERC214).
Lig=light
ALA=alarm
o37
DI2 configuration
Here you can configure the DI1 to one of the functions listed below
oFF=not used
Sdc=status display output
doo=door alarm with resumption
(door function). When the input is open it signals that the door is open.
Compressor/heater and fan are stopped after “C04 Compressor door open delay”. After the time mentioned by
“DI1 Delay” from the time door is opened, an alarm will be given and refrigeration will be resumed.
doA=door alarm without resumption
(door alarm). When the input is open it signals that the door is open.
Compressor/heater and fan are stopped after “C04 Compressor door open delay” and will stay off until the door
is closed. After the time mentioned by “DI1 Delay” from the time door is opened, an alarm will be given
(and refrigeration will not be resumed).
SCH=main switch
. Regulation is carried out when the input is short-circuited, and regulation is stopped when
the input is put in position OFF.
nig=day/ night mode
. When the input is short-circuited, there will be regulation for night operation.
rFd=reference displacement
. Value in “r40” is added to the reference “r00” when the input is short-circuited.
EAL=external alarm
. Alarm will be given when the input is short-circuited.
dEF=defrost
. Defrost is initiated when the input is short-circuited. Edge triggering is used. Defrost exit can take
place by time, temperature or by manually pressing defrost push button on the front panel
Pud=pull down
. Pull down is initiated when the input is short-circuited. Edge triggering is used.
It will come out of pull down based on time and temperature defined under parameter “
r96
” and “
r97
” or can be
stopped manually by pressing pull down push button on front panel.
o38
Light control
This parameter defines the way the light must be controlled. Below are the three light control modes available.
on=always on
dAn=day/night
doo=based on door action
o61
Predefined applications
Predefined applications is to give the user an easy and fast way to configure the controller to a specific
application based on storage temperature, defrost type and defrost method.
Users can set appropriate application that meets their requirements under this menu (please refer predefined
applications table under section 2.4 for more details). Predefined application is protected by main switch.
o67
Save settings as factory
This parameter when set to YES. The current controller Parameter settings are stored as Factory default.
WARNING: original factory settings are overwritten.
o71
DO2 configuration
Here you can configure the second relay as defrost or alarm in case of three relay controller (ERC213).
dEF=defrost
ALA=alarm
o91
Display at defrost
You can set what is to be displayed during defrost here.
Air=actual air temperature
FrE=freezed temperature( display the temperature just before starting defrost)
-d-=”-d-” is displayed
