Danfoss ERC 112D VSC User Manual page 13

User Guide | ERC 112D VSC Refrigeration Controller
"dot" Drip OFF Time
This parameter can be set to between 0 and 60 minutes and defines how long the delay is between the heater being switched
Min. 0 min
OFF and the compressor starting again. Drip off time is generally configured to ensure there is no water droplet on the evaporator
Max. 60 min
Default 0 min coil before stating the cooling cycle.
"Fdd" Fan Delay after Defrost
Defines how long the delay is between the start of the compressor after defrost and the fan starting again.
Min. 0 s
Max. 600 s
Default 0 s
"Ftd" Fan Start Temperature
This only applies if an evaporator temperature sensor is fitted.
Min. -25.0°C
This parameter determines at what evaporator temperature the fan will start after a defrost cycle is complete.
Max. 25.0°C
Default 25.0°C If the time set in "Fdd" occurs before the temperature set in "Ftd", the fan will start in line with "Fdd". If the temperature set in "Ftd"
occurs first, then the fan will start in line with "Ftd". It is therefore a case of whichever parameter's setting is reached first which
determines when the fan starts.
"dFA" Defrost Fan On
Set to "yES", the fan will constantly run during defrost cycles.
Min. no
Set to "no", the fan will not run during defrost cycles.
Max. yes
Default no
"dCt" Defrost on compressor run time
Yes: Defrost interval is based on accumulated compressor run time.
Min. no
No: Defrost interval is based on elapsed time.
Max. yes
Default no
"doC" Defrost by continuous compressor running time.
If compressor is running continuously more than this time, controller will trigger the defrost, this is an safety feature to ensure
Min. 0 hour
continuous compressor running is not due to clogged evaporator.
Max. 24 hour
"0"= Feature deactivated
Default 0 hour
"dEt" Defrost start evaporator temp
Defrost will get triggered at this temperature after expiry of minimum defrost interval "dii".
Min. -50.0°C
Max. 0.0°C
Default -50.0°C
"ddt" Defrost Δt
Defrost Δt compare with evaporator temperature of first cut out after
Min. 0.0 K
defrost to trigger defrost start.
Max. 30.0 K
The defrost start if evaporator temperature has decreased more the "ddt"
Default 5.0 K
"idi" Initial Defrost Interval
The initial defrost interval determines the time for first defrost after power-up. The initial defrost is mainly intended for factory
Min. 0 hour
testing of the defrost functionality and can be set to expire after a number compressor cycles according to the setting of parameter
Max. 96 hour
Default 3 hour
idd. During normal operation, the defrost counter will be saved in memory and restored after power loss, making the initial defrost
unnecessary.
"idd" Initial Defrost Duration
The initial defrost duration is the number of compressor cycles before the initial defrost is deactivated.
Min. 0
"0": "idi" No initial defrost.
Max. 999
Default 100 "1-998": number of compressor cycles before deactivation.
"999": initial defrost always active.
© Danfoss | DCS (vt) | 2019.07 BC286552322855en-000201 | 13