Danfoss ERC 21 Series, User Manual, Page: 25 / 36

Function Code Min. Max. Unit AP0 AP1 AP2 AP3 AP4 AP5 AP6 AP7
Cooling/Heating (rE=Cooling, Ht= Heating) o07
(2)
rE Ht rE rE
(1)
rE
(1)
rE
(1)
rE
(1)
rE
(1)
rE Ht
(1)
Sensor type (n5=NTC 5K, n10=NTC10K, ptc=PTC,
pt1=PT1000)
o06
(2)
n5 ptc n10 n10 n10 n10 n10 n10 n10 n10
DO2 config (dEF=Defrost; ALA=alarm; Lig=Light) o71 (2) dEF Lig dEF ALA (1) dEF (1) dEF (1) dEF (1) dEF (1) dEF ALA
(1) This option is a default setting in the controller and cannot be changed.
(2)
This parameter can only be set when regulation is stopped, i.e. “r12” is set to 0.
(1) This option is a default setting in the controller and cannot be changed.
(2)
This parameter can only be set when regulation is stopped, i.e. “r12” is set to 0.
Reference
Table 22: Reference
Function Code Min. Max. Unit AP0 AP1 AP2 AP3 AP4 AP5 AP6 AP7
Reference r--
Setpoint r00 -100.0 200.0 °C 2.0 4.0 2.0 -20.0 2.0 -24.0 2.0 50.0
Differential r01 0.1 20.0 K 2.0 2.0 2.0 2.0 2.0 2.0 2.0 4.0
Maximum set point limitation r02 -100.0 200.0 °C 50.0 6.0 4.0 -18.0 4.0 -20.0 50.0 70.0
Minimum set point limitation r03 -100.0 200.0 °C -35.0 2.0 0.0 -24.0 0.0 -26.0 -35.0 30.0
Display offset r04 -10.0 10.0 K 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Display Unit (°C/ °F) r05 -C -F -C -C -C -C -C -C -C -C
Calibration of Sair r09 -20.0 20.0 K 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Main switch ( -1=Service, 0=OFF, 1=ON,) r12 -1 1 1 1 1 1 1 1 1 1
Night Set back r13 -50.0 50.0 K 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Reference displacement offset temperature r40 -50.0 20.0 °C 0.0 0.0 0.0 0.0 0.0 0.0 - 0.0
Pull down duration r96 0 960 min 0 0 0 0 0 0 - -
Pull down limit temperature r97 -100.0 200.0 °C 0.0 0.0 0.0 0.0 0.0 0.0 - -
Alarm
Table 23: Alarm
Function Code Min. Max. Unit AP0 AP1 AP2 AP3 AP4 AP5 AP6 AP7
Alarm A--
Delay for temp alarm during normal conditions A03 0 240 min 30 45 30 30 30 30 30 10
Delay for temp alarm during pull-down/start up/
defrost
A12 0 240 min 60 90 60 60 60 60 60 -
High temp. alarm limit A13 -100.0 200.0 °C 8.0 10.0 8.0 -15.0 8.0 -15.0 8.0 80.0
Low temp. alarm limit A14 -100.0 200.0 °C -30.0 0.0 -2.0 -30 -2.0 -30.0 -30.0 20.0
DI1 delay (Time delay for selected DI1 function) A27 0 240 min 30 30 30 30 30 30 30 30
DI2 delay (Time delay for selected DI2 function) A28 0 240 min 30 30 30 30 30 30 30 30
Condenser High alarm limit A37 0 200 °C 80 80 80 80 80 80 - -
Condenser High block limit A54 0 200 °C 85 85 85 85 85 85 - -
Voltage protection enable A72 no YES no no no no no no no no
Minimum cut-in voltage A73 0 270 V 0 0 0 0 0 0 0 0
Minimum cut-out voltage A74 0 270 V 0 0 0 0 0 0 0 0
Maximum voltage A75 0 270 V 270 270 270 270 270 270 270 270
Defrost
Table 24: Defrost
Function Code Min. Max. Unit AP0 AP1 AP2 AP3 AP4 AP5 AP6 AP7
Defrost d--
Defrost Method (no=None, nAt=Natural, EL = Elec-
tric; gAS=Hot gas)
d01 no gAS EL nAt EL EL EL EL EL -
Defrost stop temperature. d02 0.0 50.0 °C 6.0 - - - 6.0 6.0 6.0 -
Defrost Interval d03 0 240 hour 8 6 8 12 8 12 8 -
Max defrost Time d04 0 480 min 30 45 15 15 30 30 30 -
Defrost delay at power up d05 0 240 min 0 0 0 0 0 0 NA -
Drip delay d06 0 60 min 0 0 0 0 0 0 2
(1)
-
Fan delay after defrost d07 0 60 min 0 0 0 0 0 0 5
(1)
-
Fan start temperature after defrost d08 -50.0 50.0 °C -5.0 50.0
(1)
50.0
(1)
50.0
(1)
-5.0 -5.0 - -
© Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 25
Electronic refrigeration control, type ERC 21X