ERC 21X, smart multipurpose refrigeration controller
Contents
1. FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 35 ENGINEERING TOMORROW Simple temperature and defrost management countless functions and benefits ERC 21X is a smart multipurpose refrigeration controller designed to fulfill today s requirements of commercial refrigeration applications Danfoss can accept no responsibility for possible errors in catalogues brochures and other printed material Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Danfoss and the Danfoss logotype are trademarks of Danfoss A S All rights reserved DKRCC ES RLO H4 02 520H9845 Copyright Danfoss Produced by AZ 2015 032. Power supply according to the product code number 4 4 3 ERC 214 connection diagram DO2 DO3 DO4 I 5 Programming key EKA 183A GND TX RX 15 GND 10 Programming key EKA 183A GND TX RX 5V 15 16 17 18 GND GND S5 Sc DI1 B Programming key EKA 183A GND TX RX 5V 15 16 18 GND GND 6 amp Power supply according to the product code number 12 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 10 13 4 5 Power supply 115 V AC 230 V AC 50 60 Hz Refer to the controller label 4 6 Sensors Sair Control sensor 5 Defrost evaporator sensor Sc Condenser sensor Di1 Digital input configurable to the functions listed under menu code 002 Di2 Digital input configurable to the functions listed under menu code 037 4 7 Electric noise Cables for sensors and DI inputs must be kept separate from other electric cables Use separate cable trays Keep a distance between cables of at least 10 cm Long cables at the DI input should be avoided 5 Menu Navigation and overview 5 1 Key functions and display Icons AN Press and hold at power up w FACTORY RESET FAC is displayed io V E lt Press for one second BACK Press and hold PULL DOWN S
3. Table of contents 1 Introduction 1 1 Application 1 2 General Description 13 ERC 21X Series 1 3 1 ERC 211 1 3 2 ERC 213 1 3 3 ERC 214 2 Key features 2 1 Voltage protection 2 2 _ Compressor protection 2 3 Compressor protection against high condensing temperature 24 Pre defined applications 25 Fan pulsating during compressor OFF cycle 2 6 Defrost on Demand 3 Technical Specification 4 Installations 4 1 Dimensions mm 4 2 ounting 43 nstallation steps 44 Electrical connection diagram 44 1 ERC 211 connection diagram 442 ERC 213 connection diagram 4 4 3 ERC 214 connection diagram 45 Power supply 4 6 Sensors 47 Electric noise 5 Menu Navigation and overview 5 1 Key functions and display Icons 5 2 Quick Configuration at power up 53 enu Structure 54 Quick Configuration via cFq menu 5 5 Adjust set point temperature 5 6 nitiate a manual defrost 5 7 nitiate a pull down 5 8 View active alarm 5 9 Unlock keyboard 6 Menu functions 7 Parameter table 7 1 Parameter table ERC 211 7 2 Parameter table ERC 213 7 3 Parameter table ERC 214 74 Alarm Code 7 5 Troubleshooting 8 Ordering 8 1 Sensors 2 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss U1 Ur Ur U1 BR AD O DONGO
4. _ Ww NON ON ON UT O1 U1 U1 U1 U1 ww iw oa WWNNNN WWONNN ww KW FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 3 1 Introduction 1 1 Application ERC 21X is a smart multipurpose refrigeration controller designed to fulfill today s requirement of commercial refrigeration applications This controller is suitable for high medium and low temperature applications with natural electrical and hot gas defrost compatibilities Typical applications include Glass door merchandisers commercial fridges and freezers cold rooms and various other commercial refrigeration applications 1 2 General Description ERC21X controller comes with four push buttons a big display easy and intuitive menu structure and pre defined applications ensure ease of use Controller is loaded with energy efficiency features like smart evaporator fan management day night mode and defrosts on demand features High Effect 16 A relay enable direct connection of heavy loads without use of intermediate relay up to 2 hp compressors depending on its power factor and motor efficiency greater than 0 65 for 230 V and greater than 0 85 for 115 V Safe operation of the unit is ensured through voltage protection and high condensation temperature protection features 4 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 1 3 ERC 21X Series Three version of ERC 21X is available
5. Front IP65 Gasket integrated Protection Rear IP00 Pollution degree Il non condensing Resistance to heat and fire Category D UL94 V0 Category UL recognition US amp Canada UL 60730 ENEC EN 60730 cog CE LVD amp EMC Directive Approvals EAC GHOST NSF ROHS2 0 HACCP temperature monitoring in compliance with EN134785 Class when used with AKS 12 sensor zZ Z Allowed sensor types W FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 4 Installations 4 1 Dimensions mm Zenski JIL LILI i 61 2 Drilling template 66 Rear mounting lock with clips 4 2 Mounting Mounting OR Dismounting 4 3 Installation steps Place the wired controller in the slot and ensure rubber sealing is resting properly on the mounting surface Slide the mounting clips along the rails of the rear plastic from the rear side of the panel Slide the clips towards mounting surface until controller is firmly fixed To remove the controller one needs to skillfully unlatch the snapping tab and pull the clips backwards FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 11 4 4 Electrical connection diagram 4 4 1 ERC 211 connection diagram D a a ad Ad Power supply according to the product code number 4 4 2 ERC 213 connection diagram DO2 DO3
6. Selection 2 covers normal temperature applications with natural defrost with stop on time Selection 3 covers normal temperature applications with natural defrost with stop on air temperature Selection 4 covers applications where a simple heating thermostat is needed no defrost Selection 5 covers applications where a reduced parameter list is recommended ERC 211 APP 1 2 3 ERC 211 APP 4 DI1 DI1 230 V AC 230 V AC 222222 HH FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 7 Pre defined application table of ERC 213 controller Cooling No predefined application Medium temperature ventilated refrigeration units P cooing with timed natural defrost 076 Natural Me Medium temperature ventilated refrigeration units a P 1 A with timed electrical defrost Ca Boda ume Cooling Low temperature ventilated refrigeration units with 26 20 C Else Time timed electrical defrost Medium temperature ventilated refrigeration units F GENE with electrical defrost by temperature Ce Beatie Temperature Low temperature ventilated refrigeration units with 5 0 Cooling electrical defrost by temperature 26 20 C Electrical EEE E o predefined application with simplified list of parameters Selection 1 covers normal temperature applications with natural defrost with stop on time Selection 2 and 3 covers respectively medium and low temperature applications with electrical def
7. a sen re clo non dEF non non non non dEF GE non Air Sair air temperature dEF S5 defrost sensor Compressor accumulated runtime to start defrost d18 0 96 hours 0 0 0 0 0 0 O OFF Defrost on demand 200 0FF d19 0 0 20 0 K 20 0 200 200 pies delay after pull down d30 0 960 aaa 0 0 0 0 0 0 Fan at compressor cutout FFc fan follow compressor FAo fan always ON FOI RE FPL FAO FAO FAO FAO FAO FAO FAO FPL fan pulsating Fan stop evaporator temperature F04 50 0 50 0 C F 50 0 E 50 0 50 0 50 0 OFF Fan ON cycle FO7 15 min z Fan OFF cycle F08 15 0 min M Compressor minimum ON time C01 0 30 min 0 0 0 0 0 0 Compressor minimum OFF time C02 0 30 min 2 2 2 2 2 2 OMPA ORE aR co4 0 15 min o 0 0 0 0 0 at door open Zero crossing selection C70 no yES yES yES yES yES yES yES yES Note hidden parameters are greyed out FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss SE ES Sn lero Delay of outputs at startup DI1 configuration oFF not used Sdc status display output doo door alarm with resumption doA door alarm without resumption SCH main switch nig day night mode rFd reference displacement FAL external alarm dEF defrost Pud pull down Sc condenser sensor Serial address Password Sensor type selection nS NTC 5 K n10 NTC 10K Ptc PTC Pt1 Pt1000 Display resolution 0 1 steps of 0 1 C 0 5 steps of 0 5 C 1 0 steps of 1 0 C Relay 1 counter 1 count 1
8. display output doo door alarm with resumption doA door alarm without resumption SCH main switch nig day night mode rFd reference displacement FAL external alarm dEF defrost Pud pull down Light Control on always on dAn day night doo based on door action Predefined applications Save settings as factory WARNING the earlier factory settings are overwritten Display at defrost Air actual air temperature FrE freezed temperature d d is displayed 001 002 003 005 006 015 023 024 025 026 036 037 038 061 067 091 Note hidden parameters are greyed out 0 ALA OFF on APO no Air 600 Sc 247 999 Pt1 1 0 999 222 999 999 Lig Pud doo AP6 yES OFF no n10 0 1 Lig OFF on APO no FR ERC 21X user manual OFF no n10 0 1 Lig oFF on API no OFF no n10 0 1 Lig OFF on AP2 no 5 OFF no n10 0 1 Lig OFF on AP3 no 5 OFF no n10 0 1 Lig OFF on AP4 no 5 OFF no n10 0 1 Lig OFF on ARS no 5 oFF 0 1 OFF on DKRCC ES RLO H4 02 520H9845 Danfoss 31 meen wn EE Som fer a C Pc a DI1 input polarity nc normally closed P73 nc no no no no no no no no no normally open DI2 input polarity nc normally closed P74 nc no no no no no no no no no normally open Invert alarm rel
9. flashes during pull down PULL DOWN press for 3 seconds to stop pull down 5 8 View active alarm Temperature and alarm codes alternate flashes until the alarm is resolved The alarm bell is shown After 5 minutes of no activity the keypad is locked if P76 yes When the keypad is locked any button press shows LoC in the display Press UP and DOWN buttons simultaneously for 3 seconds to unlock the keyboard unl is displayed for 3 seconds FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 6 Menu functions r12 Main switch With this setting refrigeration can be started stopped or a manual override of the outputs can be allowed Stopped refrigeration will give a OFF signal on the display 1 service manual control of outputs allowed GEO 1 ON 061 Predefined applications Predefined applications is to give the user an easy and fast way to configure the controller refer 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 006 Sensor type selection This parameter is for defining type of temperature sensors connected to the controller User can configure NTC 5 K NTC 10 K PTC and PT1000 sensors in this controller All the mounted sensors Sai
10. the Predefined applications is to give the user an easy and fast way to configure the controller to a specific application based on storage temperature LT MT HT defrost type none natural electrical and defrost method terminated on time or temperature When user select specific application based on their requirements the controller will load a specific set of parameter values and will hide parameters that are not relevant for the selected application Adjustment of the set of parameters value will be still possible at any time In addition to pre defined applications all controller versions have two standard applications one with full list of parameters and another with simplified list of parameters that allows the user to make their own customized parameter settings APO and AP5 in case of ERC211 and APO and AP6 in case of ERC213 ERC214 Pre defined application table of ERC 211 controller Cooling No predefined application Heating Cooling Medium temperature without defrost 4 20 C None None Cooling edium temperature with timed natural defrost 2 6 C Natural Time Cooling Medium temperature with natural defrost stop on 2 6 C Natural Air air temperature temperature Heating eating Thermostat 20 60 C None None Cooling No predefined application with simplified list of Heating parameter Selection 1 covers applications where a standard cooling thermostat is needed and no defrosts are performed
11. the last defrost session has ended is greater than 1 4 of the defrost interval or 2 hours whichever is lesser Defrost doesn t start by this method during the following scenarios Pull down mode Night mode Main switch in DI or main switch in Menu is in OFF position Manual control mode Evaporator sensor senses a temperature which is greater than 0 C 3 Technical Specification Powersupply pp 115 V AC 230 V AC 50 60 Hz galvanic isolated low voltage regulated power supply Rated power Less than 0 7 W 2 analogue 1 analogue digital and 1 digital TC 5000 Ohm at 25 C Beta value 3980 at 25 100 C e g EKS 211 C 10000 Ohm at 25 C Beta value 3435 at 25 85 C e g EKS 221 PTC 990 Ohm at 25 C e g EKS 111 t1000 e g AKS 11 AKS 12 AKS 21 Sd EI E NTC 10000 Ohm at 25 C cable length 1 5 m Measuring range 40 105 C 40 221 F Accuracy Controller accuracy 1 K below 35 C 0 5 K between 35 25 C 1 K above 25 C DO1 Compressor relay 16 A 16 16 A EN 60730 10 FLA 60 LRA at 230 V UL60730 16 FLA 72 LRA at 115 V UL60730 DO Defrost relay 8 2 FLA 12 LRA UL60730 8 2 2 A EN60730 DO3 Fan relay 3 A 2 FLA 12 LRA UL60730 3 A 2 2 A EN60730 DO4 Alarm Light relay 2A CEE LED display 3 digits decimal point and multi function icons C F scale 10 55 C 14 131 F 90 Rh 40 70 C 40 158 F 90 Rh
12. 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 Sc condenser sensor Serial address Data communication is possible through external TTL to RS485 gateway Password If the settings in the controller are to be protected with an access code you can set a numerical value between 0 and 999 You can cancel the function by setting to 0 Sensor type selection This parameter is for defining type of temperature sensors connected to the controller User can configure NTC 5 K NTC 10 K PTC and PT1000 sensors in this controller All the mounted sensors Sair S5 and Sc must be of same type Cooling heating This parameter is applicable only for single relay controller ERC211 for selecting cooling or heating application Display resolution This parameter defines the steps in which the temperature must be displayed by 0 1 or 0 5 or 1 Relay 1 counter The number of cycles for the DO1 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 Relay 2 counter The number of cycles for the DO2 relay can be read in this menu The
13. 00 cycles of operation Relay 2 counter 1 count 100 cycles of operation Relay 3 counter 1 count 100 cycles of operation DI2 configuration oFF not used Sdc status display output doo door alarm with resumption doA door alarm without resumption SCH main switch nig day night mode rFd reference displacement FAL external alarm dEF defrost Pud pull down Predefined applications Save settings as factory WARNING the earlier factory settings are overwritten DO2 config dEF defrost ALA alarm Display at defrost Air actual air temperature FrE freezed temperature d d is displayed 001 002 003 005 006 015 023 024 025 037 061 067 071 091 Note hidden parameters are greyed out 0 OFF APO no dEF Air 600 Sc 247 999 Pil 995 999 999 Pud AP6 yES ALA OFF no n10 0 1 oFF APO no dEF FR ERC 21X user manual OFF no n10 0 1 oFF API no ALA OFF no n10 0 1 OFF AP2 no dEF 5 OFF no n10 0 1 oFF AP3 no dEF 5 OFF no n10 0 1 oFF AP4 no dEF 5 OFF no n10 0 1 oFF AP5 no dEF 5 OFF no 0 1 OFF DKRCC ES RLO H4 02 520H9845 Danfoss 27 ES EE Sn leo aaa E C Aee DI1 input polarity nc normally closed P73 nc no no no no no no no no no normally open DI2 input polarity nc normally c
14. 10K 006 Ptc PTC Pt1 Pt1000 r12 061 1 APO n5 AP6 Ptl n10 AP1 n10 AP2 n10 AP3 n10 AP4 n10 AP5 n10 AP6 n10 CSL a A SE AT ET E TT Temperature setpoint r00 Differential r01 Min set point limitation r02 Max set point limitation r03 Display offset correction value in display r04 temperature Display Unit C F r05 Calibration of Sair offset for air temperature r09 calibration Main switch 12 1 service O OFF 1 ON Night set back offset temperature during night r13 mode Thermostat reference displacement r40 offset temperature Pull down duration r96 Pull down limit temperature 7 T 2 0 6 0 0 0 aC 0 0 0 0 0 0 Ki T 0 0 4 0 0 0 C 0 0 0 0 0 0 Ki 24 0 2 0 26 0 20 0 0 0 lt 0 0 0 0 0 0 K T 0 0 4 0 0 0 L 0 0 0 0 0 0 _ 24 0 2 0 26 0 20 0 0 0 HC 0 0 0 0 0 0 on 2 0 2 0 35 0 50 0 0 0 0 0 Delay for temperature alarm during normal conditions l Delay for temperature alarm during pull down start up A12 defrost High temperature alarm limit A13 Cabinet Room Low temperature alarm limit A14 DI1 delay time delay for selected DI1 A27 function DI2 delay time delay for selected DI2 A28 function Condenser high alarm limit A37 Condenser high block limit A54 Voltage protection enable A72 Minimum cut in voltage A73 Minimum cut out voltage A74
15. 60 ae 0 0 0 0 0 0 Fan at compressor cutout FFc fan follow compressor FAo fan always ON FOI FFC FPL FAO FAO FAO FAO FAO FAO FAO FPL fan pulsating Fan stop evaporator temperature Fot 500 50 0 Ar 50 0 500 S00 50 0 OFF Fan ON cycle FO7 15 min i i i Fan OFF cycle F08 150 min eS D Compressor minimum ON time C01 0 30 min 0 0 0 0 0 0 Compressor minimum OFF time C02 0 30 min 2 2 2 2 2 2 3 Compressor OFF delay CO4 0 15 min 0 0 0 0 0 0 at door open Zero crossing selection C70 no yES yES yES yES yES yES yES yES Note hidden parameters are greyed out FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss meee wn ume Some reo Delay of outputs at startup DI1 configuration oFF not used Sdc status display output doo door alarm with resumption doA door alarm without resumption SCH main switch nig day night mode rFd reference displacement FAL external alarm dEF defrost Pud pull down Sc condenser sensor Serial address Password Sensor type selection n5 NIC 5 K n10 NTC 10K Ptc PTC Pt1 Pt1000 Display Resolution 0 1 steps of 0 1 C 0 5 steps of 0 5 C 1 0 steps of 1 0 C Relay 1 counter 1 count 100 cycles of operation Relay 2 counter 1 count 100 cycles of operation Relay 3 counter 1 count 100 cycles of operation Relay 4 counter 1 count 100 cycles of operation DO4 configuration ALA alarm Lig light DI2 configuration oFF not used Sdc status
16. ET Display Icons Night mode Energy saving Fan running Compressor running Flashes in pull down mode ry Active alarm 2e Cor AD Defrost C Unit C or F 5 2 Quick Configuration at power up STEP 1 power on STEP 2 select the quick configuration menu Within 30 seconds of power on press lt BACK for 3 seconds The main switch r12 is automatically set to OFF STEP 3 select pre installed application 061 The display automatically shows the application selection parameter 0o61 Press SET to select the pre installed application The display shows the default value eg APO flashing Choose the application type by pressing UP DOWN and press SET to confirm The controller presets parameter values according to the selected application and does not hide relevant parameters Tip you can easily move from APO to AP6 and thus select the simplified list of parameters by pressing the UP key circular list App Description e g for ERC213 and ERC214 None no preset application Medium temperature 2 6 C ventilated ref units with timed natural defrost Medium temperature 0 4 C ventilated ref units with timed electrical defrost EYE Low temperature 26 20 C ventilated ref units with timed electrical defrost Medium temperature 0 4 C ventilated ref units with electrical defrost by temperature Low temperature 26 20 C ventilated ref units with electrical defros
17. LO H4 02 520H9845 Danfoss 33 8 1 Sensors Any of the below Danfoss sensors or equivalent Type Sensor element ___ Sensorhousing__ Cable Number Codeno Thermo plastic polyester 8x30 15m 150 084B4403 NTC 5000 ohm 25 C Thermo plastic polyester 8x30 3 5m 75 084B4404 Beta 3980 at 25 100 C Thermo plastic polyester 8x30 1 5m 1 084N1220 Thermo plastic polyester 8x30 3 5m 1 084N1221 Thermo plastic rubber 6x5x15 3 5m 150 084N3206 NTC 10000 ohm 25 C Thermo plastic rubber 6x5x15 35m 1 084N3210 Beta 3435 at 25 85 C Thermo plastic rubber 6x5x15 8 5 m f 084N3208 Thermo plastic rubber 6x5x15 8 5m 084N3209 Stainless steel 6x20 15m 150 084N3200 Stainless steel 6x30 15m 1 084N1178 Stainless steel 6x30 15m 150 084N1161 Stainless steel 6x30 3 5m 1 084N1179 PTC 990 ohm 25 C Stainless steel 6x30 3 5m 150 084N1163 Stainless steel 6x30 6m 1 084N1180 Stainless steel 6x30 6m 80 084N1173 Stainless steel 6x30 8 5 m 60 084N1168 Hoppa FRN 35m i 084N0003 Bottom stainless steel PT1000 MPE MOn 55m i 084N0005 Bottom stainless steel Toppari PPO NOND 85m 1 084N0008 Bottom stainless steel Stainless steel 6x40 15m 1 084N0036 PT1000 Stainless steel 6x40 15m 30 084N0035 Stainless steel 6x40 3 5m 30 084N0039 Stainless steel 6x40 5 5 M 30 084N0038 Note all the mounted sensors must be of same type 34 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss NOTES
18. Maximum voltage A75 Note hidden parameters are greyed out 100 0 200 0 C F 2 0 0 1 20 0 K 2 0 100 0 2000 C F 35 0 100 0 200 0 C F 50 0 10 0 10 0 K 0 0 C F C 20 0 20 0 K 0 0 1 1 1 50 0 50 0 K 0 0 50 0 50 0 K 0 0 0 960 min 0 100 0 200 0 C F 0 0 0 240 min 30 0 240 min 60 100 0 200 0 C F 8 0 2100 01 2000 MEN ES OI 0 240 min 30 0 240 min 30 0 200 C F 80 0 200 CAE 85 no yES no 0 270 V 0 0 270 V 0 0 270 V 270 45 90 10 0 0 0 30 30 80 85 no 270 30 60 8 0 2 0 30 30 80 85 no 270 30 60 15 0 30 0 30 30 80 85 no 270 30 60 8 0 2 0 30 30 80 85 no 270 30 60 15 0 30 0 30 30 80 85 no 270 30 60 8 0 30 0 30 30 270 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 25 26 met ee wn EE feo a ee no ad eel Defrost method no no defrost nAt natural dol no gAS EL nAt EL EL EL EL EL Fl electrical gAS hot gas Defrost stop temperature do2 0 0 500 Cir 6 0 6 0 6 0 6 0 Defrost interval d03 0 240 hours 8 6 8 12 8 12 8 Max defrost time d04 0 480 min 30 45 15 15 30 30 30 perros tee ayat Power ue d05 0 2400 min 0 0 0 0 0 or DI signal Drip delay d06 0 60 min 0 0 0 0 0 0 5 Fan delay after defrost d07 0 60 min 0 0 0 0 0 0 5 Pan stent emperayre aos S00 Oo a a E IEC ese after defrost Fan during defrost do9 OFF on on on on on on on on Defrost stop sensor
19. TC 10K 006 n5 Pt1 n10 n10 n10 n10 n10 n10 n10 Ptc PTC Pt1 Pt1000 ee pes 036 Lig ALA lig lig Lig Lig Lig Lig lig CERN A EE CE AS PE RE Temperature setpoint r00 1000 2000 C F 2 0 24 0 20h 20 Differential r01 0 1 20 0 K 2 0 X R 2 0 2 0 2 0 Min set point limitation 2 1000 2000 Che 550 20 CCR ECO HOU E2c Cn Reso Max set point limitation r03 100 0 200 0 C F 50 0 6 0 40 200 40 200 50 0 Display offset correction value in display r04 10 0 10 0 K 0 0 0 0 0 0 0 0 0 0 0 0 0 0 temperature Display Unit C F r05 C F C C C C C C C Calibration of Sair offset for air temperature r09 200 200 K 0 0 0 0 0 0 0 0 0 0 0 0 calibration Main switch 1 service O OFF 1 ON ae l l Night set back offset temperature during night r13 50 0 50 0 K 0 0 0 0 0 0 0 0 0 0 0 0 0 0 mode Thermostat reference displacement r40 50 0 50 0 K 0 0 0 0 0 0 0 0 0 0 0 0 offset temperature Pull down duration r96 0 960 min 0 T m Pull down limit temperature r97 100 0 200 0 C F 0 0 SD CE E SE A Delay for temperature alari 1 7403 a0 2400 amin 300 hs Sole ego Be MSC during normal conditions Delay for temperature alarm during pull down start up A12 0 240 min 60 90 60 60 60 60 60 defrost High temperature alarm limit A13 100 0 2000 C F 8 0 10 0 amp 0 1501 60 150 80 Cabinet Room Low temperature alarm limit A14 100 0 200 0 C F 30 0 0 0 20 30 0 2 0 30 0 30 0 DI1 delay time delay for select
20. There will be change over to the normal alarm time delay A03 when the temperature falls within the alarm limits A13 High temperature alarm limit If the cabinet temperature stays above this limit for the time mentioned by the alarm delay high temperature alarm is raised Al4 Low temperature alarm limit If the cabinet temperature stays below this limit for the time mentioned by the alarm delay low temperature alarm is raised A27 DI1 delay If DI1 is configured as a door open alarm or as an external alarm this delay is used to raise the respective alarm A28 DI2 delay If DI2 is configured as a door open alarm or as an external alarm this delay is used to raise the respective alarm A37 Condenser high alarm limit If the condenser temperature reaches above this limit condenser alarm is raised immediately and no action is taken The alarm is zeroset if temperature falls 5 K below the set temperature A54 Condenser high block limit If the condenser temperature continues to increase above the A37 limit and reaches this temperature limit condenser block alarm is raised and compressor is stopped It is restricted to starting again until alarm is reset manually Manual reset of condenser block alarm can be performed in two ways Power controller OFF and power ON controller again Switch controller OFF and ON again via main switch or front button A72 Voltage protection enable This parameter is to enable and disable the voltage prot
21. This parameter is applicable only when the Fan at Compressor cut out FO1 is set to Fan Pulsating mode The Fan pulsating ON time will be as per the time set in this parameter FO8 Fan OFF cycle This parameter is applicable only when the Fan at Compressor cut out FO1 is set to Fan Pulsating mode The Fan pulsating OFF time will be as per the time set in this parameter Pc J Compressor eC C01 Compressor minimum ON time This parameter determines the minimum number of minutes the compressor must run before a cut out can take effect based on temperature This is to avoid sudden switching ON and OFF of the compressor C02 Compressor minimum OFF time This parameter determines the minimum number of minutes the compressor must switched OFF before a cut in can take effect based on temperature This is to avoid sudden switching OFF and ON of the compressor FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss C04 C70 001 002 003 005 006 007 o15 023 024 025 Compressor OFF delay at door open This parameter sets the delay in minutes before the compressor stops when the door is opened If set to zero the function is disabled Zero crossing selection This feature will increase the relay life time reduce the contact welding and switching noise by switching ON at Zero crossing Disable zero crossing when external relay is used Delay of outputs at startup After start up the controller functions can be
22. actory 067 no yES no no no no no settings are overwritten Display at defrost Air actual air temperature 091 Air Pi a A a g m FrE freezed temperature d d is displayed Polarity e P a SS Sa Se See SS Sea SSS ss DI1 input polarity nc normally closed no normally open Keyboard lock enable no ee em EC a ES SS Controller status S0 cooling ON Heating ON S2 wait for compressor ON time to elapse 3 wait for compressor OFF time to elapse restart time S4 drip OFF delay after defrost S10 cooling stop P73 nc no no no no no no no S11 cooling stopped by u00 SO S32 thermostat heating OFF S14 defrosting state S15 fan delay state after defrost S17 door open DI input S20 emergency cooling S25 manual control of outputs S30 continous cycle Pull down S32 delay of outputs at power up Air temperature Sair u01 100 0 2000 C F Read the present regulation u02 100 0 2000 C E B reference DI1 input u10 OFF on Status of night operation u13 OFF on Condenser temperature Sc U09 T 1000 2000 C F Compressor relay status u58 oFF on Firmware version readout u80 000 999 Note hidden parameters are greyed out FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 7 2 Parameter table ERC 213 meen we mec oe Sn fev CITES Main switch 1 service O OFF 1 ON Predefined applications APO AP1 AP2 AP3 AP4 AP5 AP6 Sensor type selection n5 NTC 5 K n10 NTC
23. ally closed associated functionality is activated when DI2 port is open circuit and deactivated when DI2 port is short circuit Invert alarm relay Alarm relay operation can be inverted here O normal 1 invert relay action Key board lock enable YES enable keyboard lock functionality after 5 minutes of no activity on the keypad FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 21 22 7 Parameter table 7 1 Parameter table ERC 211 App 0 aaa Configuration Main switch 1 service O OFF 1 ON Predefined applications APO AP1 AP2 AP3 AP4 AP5 Sensor type selection n5 NIC 5 K n10 NIC 10K 006 n5 Pt1 n10 n10 n10 n10 n10 n10 Ptc PTC Pt1 Pt1000 oe ee te r12 1 1 1 1 1 1 1 1 061 APO AP5 APO AP 1 AP2 AP3 AP4 AP5 Temperature setpoint roo 100 0 200 0 C F 2 0 40 0 Differential r01 0 1 20 0 K 2 0 of T x 2 0 T Min set point limitation 02 100 0 200 0 CE 35 0 40 2 0 2 0 200 350 Max set point limitation r03 100 0 2000 C F 50 0 20 0 6 0 6 0 60 0 50 0 Display offset correction value in display r04 10 0 10 0 K 0 0 0 0 0 0 0 0 0 0 0 0 temperature Display unit C F r05 C F C C C C C C Calibration of Sair offset for air temperature r09 20 0 20 0 K 0 0 0 0 0 0 0 0 0 0 calibration Main switch 1 service 0O OFF 1 ON Me l l i l l l g Night set back offset temperature during night r13 50 0 50 0 K 0 0 0 0 0 0 0 0 0 0 0 0 mode Thermostat reference dis
24. ay 0 normal 1 invert relay action Keyboard lock enable P76 no CP ae ee Controller status S0 cooling ON Heating ON 2 wait for compressor ON time to elapse 3 wait for compressor OFF time to elapse restart time S4 drip OFF delay after defrost S10 cooling stop S11 cooling stopped by u00 SO S32 thermostat heating OFF S14 defrosting state S15 fan delay state after defrost S17 door open DI input S20 emergency cooling S25 manual control of outputs S30 continous cycle Pull down S32 delay of outputs at power up P75 0 1 0 0 0 0 0 0 Air temperature Sair ul 1000 2000 C AF Read the present regulation u02 1000 2000 C F B reference Defrost temperature S5 TOS ECO 200 ME DI1 input u10 oFF on Status of night operation u13 OFF on DI2 input u37 oFF on Condenser temperature Sc UGS OO 2000 A Compressor relay status u58 oFF on s Fan relay status u59 OFF on Defrost relay status u60 OFF on Alarm relay status u62 oFF on Light relay status u63 OFF on Firmware version readout u80 000 QE Note hidden parameters are greyed out 32 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 7 4 Alarm Code Alarm status arm Code Air temperature sensor Sair error E29 Defrost sensor S5 error E27 Condenser sensor Sc error E30 High temperature alarm A01 Low temperature alarm A02 High voltage alarm A99 Low voltage alarm AAI Hi
25. delayed by the time delay defined here so that overloading of the electricity supply network is avoided DI1 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 DIT 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
26. digital 1 digital for cooling applications Outputs Relay 1 compressor solenoid valve control Relay 2 defrost control Relay 3 fan control Relay 4 this can be configured for either light or external alarm Inputs Input 1 cabinet control sensor Sair Input 2 defrost sensor S5 Input 3 condenser sensor Sc or digital input which can be configured to various functions as metioned under menu code o02 Input4 digital input which can be configured for various functions as mentioned under menu code o37 DO1 ASC Di e DI2 DO1 SC DO2 j DO3 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 5 6 2 Key features 2 1 Voltage protection Protection against high and low voltage by limiting the compressor operation within specified voltage limits Whenever the supply voltage goes beyond the defined voltage protection limits controller will shut the compressor OFF and flashes alarm on the display It will restore the operation when the voltage falls under the operating range respecting minimum stop time 2 2 Compressor protection Parameters for Minimum ON and OFF time protect the compressor by short cycling sudden switching ON and OFF by defining minimum ON and OFF time 2 3 Compress
27. e based defrost this is treated as safety time to stop the defrost if it is not terminated based on the temperature d05 Defrost delay at power up or DI signal This parameter decides the time offset when the defrost is triggered by digital inputs or during power up This function is only relevant if you have several refrigeration appliances or groups where you want the defrost to be staggered in relation to one another d06 Drip OFF time This parameter defines the time delay to start the compressor after defrost heater being switched OFF This delay is generally provided to ensure all water droplets on the evaporator drips off before starting the refrigeration cycle d07 Fan delay after defrost Defines how long the delay is between the start of the compressor and the fan after defrost cycle d08 Fan start temperature after defrost This only applies if an evaporator temperature sensor is fitted This parameter determines at what evaporator temperature the fan will start after a defrost cycle is complete If the time set in d07 occurs before the temperature set in d08 the fan will start in line with d07 If the temperature set in d08 occurs first then the fan will start in line with d08 d09 Fan during defrost This parameter is to define whether fan is to operate during defrost or not d10 Defrost stop sensor This parameter is to define which sensor has to be used to exit terminate the defrost non none defrost is bas
28. ection feature which protects compressor from adverse line voltage conditions A73 Minimum cut in voltage When the compressor is due to start the voltage of the power supply will be checked and the compressor will only be allowed to start if it is at least the value given in this parameter A74 Minimum cut out voltage When the compressor is running it will be switched OFF if the voltage goes below that given in this parameter A75 Maximum voltage When the compressor is running it will be switched OFF if the voltage exceeds that given in this parameter If the compressor is already stopped it will remain switched OFF d Defrost O O d01 Defrost method Here you set whether defrost is to be accomplished by electric Hot gas or natural method no none nAt natural EL electrical gAS gas do2 Defrost stop temperature This parameter defines at what temperature the defrost cycle will stop The temperature is given by the evaporator sensor or by the cabinet temperature sensor as defined in menu code d10 d03 Defrost interval Defines the time period between the start of two defrost cycles In case of power failure elapsed time is stored in the memory and next defrost will happen after completing the defined time interval FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 17 18 Parameter description d04 Maximum defrost time This parameter defines the defrost time when it is time based defrost In case of temperatur
29. ed DI1 A27 0 240 min 30 30 30 30 30 30 30 function DI2 delay time delay for selected DI2 A28 0 240 min 30 30 30 30 30 30 30 function Condenser high alarm limit A37 0 200 C F 80 80 80 80 80 80 Condenser high block limit A54 0 200 CF 85 85 85 85 85 85 Voltage protection enable A72 no yES no no no no no no no Minimum cut in voltage A73 0 270 V 0 0 0 0 0 0 0 Minimum cut out voltage A74 0 270 V 0 0 0 0 0 0 0 Maximum voltage A75 0 270 V 270 270 270 270 270 270 270 Note hidden parameters are greyed out FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 29 30 meee wn ume Sn EE aas i RE D Defrost method no no defrost nAt natural dol no gAS EL nAt fell le EL EL EIL EL electrical gAS hot gas Defrost stop temperature d02 0 0 50 0 C F 6 0 6 0 6 0 6 0 Defrost interval d03 0 240 hours 8 6 8 12 8 12 8 Max defrost time d04 0 480 min 30 45 15 15 30 30 30 PInoy POSTE dos o 2400 min o olololola or DI signal Drip delay d06 0 60 min 0 0 0 0 0 0 5 Fan delay after defrost d07 0 60 min 0 0 0 0 0 0 5 ne Dee dog 500 00 CF 50 450 56 after defrost Fan during defrost d09 OFF on on on on on on on on Defrost stop sensor SONATA ene d10 non dEF non non non non dEF dEF non Air Sair air temperature dEF S5 defrost sensor Compressor accumulated runtime to start defrost d18 0 96 hours 0 0 0 0 0 0 GEO Defrost on demand 20 0 0FF d19 0 0 20 0 K 20 0 20 0 200 a delay after pull down d30 0 9
30. ed on time Air Sair sensor dEF S5 defrost sensor d18 Compressor accumulated runtime to start defrost When the accumulated compressor runtime is equal to the value set in this Parameter defrost will be triggered If the compressor runtime is less than the set value during the define defrost interval d03 defrost will be triggered based on the defrost interval d03 This feature is disabled when this parameter is set to zero d19 Defrost on demand The controller will constantly monitor the S5 temperature to estimate the ice buildup In between two defrosts if the S5 temperature become lower than the value defined here controller will initiate the defrost on demand This feature is disabled when this parameter is set to 20 This function can only be used in 1 1 systems d30 Defrost delay after pull down This parameter defines the time delay to start the defrost after pull down cycle This has to ensure defrost doesn t happen immediately after pull down cycle Fan control FOI Fan at compressor cut out This parameter define the fan operation during compressor OFF cycle FAo fan always ON FFC fan follow compressor FPL fan Pulsating F04 Fan stop evaporating temperature This parameter defines the maximum evaporator temperature at which the Fan must switch OFF If the defrost sensor registers a higher temperature than the one set here the fans will be stopped to avoid the warm air circulation in the cabinet FO7 Fan ON cycle
31. essor accumulated runtime to start defrost d18 0 96 hours 0 0 0 O OFF delay after pull down d30 0 960 sits 0 0 0 ce rarer ES RS PE RE RE Compressor minimum ON time C01 0 min Compressor minimum OFF time C02 0 T min r Compressor OFF delay C04 0 15 a 0 0 0 0 0 1 at door open Zero crossing selection C70 no yES yES yES yES yES yES CE HES PR SEAS EE I CC OS ES ir a Sor Oe core iin IS se les at startup DI1 configuration oFF not used Sdc status display output doo door alarm with resumption doA door alarm without resumption 002 OFF Sc OFF OFF OFF oFF oFF oFF SCH main switch nig day night mode rFd reference displacement FAL external alarm dEF defrost Pud pull down Sc condenser sensor Serial address 003 0 247 0 0 0 0 0 Password 005 no 999 no no no no no no Sensor type selection n5 NIC 5 K n10 NIC 10K 006 n5 pil n10 n10 n10 n10 n10 Ptc PTC Pt1 Pt1000 Cooling heating rE refrigeration cooling 007 rE Ht rE rE rE rE Ht rE Ht heating Display resolution Cue Gone os o 10 of on a a ton 0 5 steps of 0 5 C 1 0 steps of 1 0 C Note hidden parameters are greyed out FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 24 p App 0 prana rame encan cose n moc CE EN CS CN on ams Relay 1 counter 1 count 100 cycles of 023 0 999 0 0 0 0 0 operation Predefined applications 061 APO AP5 APO AP1 AP2 AP3 AP4 Save settings as factory WARNING the earlier f
32. gh condenser temperature alarm A61 Door alarm A04 Standby alarm A45 DI external alarm A15 7 5 Troubleshooting Waiting for compressor delay timer Check c 4 Defrost in progress IBGE ee Compressor does not start Check as SEd f Check A gt Line voltage to compressor too low or too high as Check A gt Defrost does not start Controller in pull down mode Check r r96 BR Se do Pull down max duration is 0 Check r r96 Pull down limit temperature too high Check r r97 Wrong temperature displayed Wrong type of sensor selected Check cFg gt o06 8 Orde ue Type Description Relay Number Code no RED LED 115 V Single Multi Pack 08063290 RED LED 115 V 1 sensor NTC 10 kOhm at 25 C L 1 5m Single Multi Pack 080G3262 RED LED 115 V Single Multi Pack 3 080G3291 RED LED 115 V 2 sensors NTC 10 kOhm at 25 C L 1 5m Single Multi Pack 3 080G3264 RED LED 115 V Single Multi Pack 4 08063292 RED LED 230 V Single Multi Pack 1 08063293 RED LED 230 V 1 sensor NTC 10 kOhm at 25 C L 1 5m Single Multi Pack 1 080G3263 RED LED 230 V Single Multi Pack 3 080G3294 RED LED 230 V 2 sensors NTC 10 kOhm at 25 C L 1 5m Single Multi Pack 3 080G3265 RED LED 230 V Single Multi Pack 4 080G3295 RED LED 230 V Industrial Pack 1 30 080G3288 RED LED 230 V Industrial Pack 3 30 080G3289 RED LED 230 V Industrial Pack 4 30 080G3296 Programming key with adapter ERC 21X 1 080G9740 FR ERC 21X user manual DKRCC ES R
33. in both 230 V 50 60 Hz and 115 V 60 Hz ERC 211 single relay output for refrigeration and heating applications ERC 213 three relays outputs for ventilated refrigeration applications ERC 214 four relays outputs for ventilated refrigeration applications 1 3 1 ERC 211 ERC 211 has one relay output and two inputs 1 analogue 1 analogue digital This controller can be used for either cooling or heating applications Outputs Relay 1 compressor solenoid valve control or simple heater in case of heating application Inputs Inputs I nputl cabinet control sensor Sair Input 2 condenser sensor or digital inputs which can be configured for various functions as mentioned under menu code 002 1 3 2 ERC 213 ERC 213 has three relays outputs and four inputs 2 analogues 1 analogue digital 1 digital for cooling applications Outputs Relay 1 compressor solenoid valve control Relay 2 can be configured either defrost or external alarm Relay 3 fan control Inputs Input 1 cabinet control sensor Sair Input 2 defrost sensor S5 Input 3 condenser sensor Sc or digital input which can be configured to various functions as mentioned under menu code o02 Input 4 digital input which can be configured to various functions as mentioned under menu code o37 1 3 3 ERC 214 ERC 214 has four relays outputs and four inputs 2 analogue 1 analogue
34. lay 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 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 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
35. libration of Sair Offset for air temperature calibration Compensation possibility due to long sensor cable r12 Main switch With this setting refrigeration can be started stopped or a manual override of the outputs can be allowed Stopped refrigeration will give a OFF signal on the display 1 service manual control of outputs allowed O OFF 1 ON r13 Night setback value The thermostat s reference will be the setpoint plus this value when the controller changes over to night operation Select a negative value if there is to be cold accumulation Activation can take place via digital input r40 Thermostat reference displacement offset temperature The thermostat reference and the alarm values are shifted the following number of degrees when the reference displacement is activated Activation can take place via digital input 16 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss Parameter description r96 Pull down duration Maximum duration of the pull down mode r97 Pull down limit temperature A safety feature the lowest temperature allowed during pull down A03 Delay for temperature alarm during normal conditions If the upper or the lower alarm limit values are exceeded a timer function will commence The alarm will not become active until the set time delay has been passed A12 Delay for temperature alarm during pull down start up defrost This time delay is used during start up during defrost during pull down
36. losed P74 nc no no no no no no no no no normally open Invert alarm relay O normal 1 invert relay action Keyboard lock enable P76 no CP EE RO EE RY EC E Controller Status S0 cooling ON Heating ON 2 wait for compressor ON time to elapse 3 wait for compressor OFF time to elapse restart time S4 drip OFF delay after defrost S10 cooling stop S11 cooling stopped by u00 SO 532 thermostat heating OFF S14 defrosting state S15 fan delay state after defrost 17 door open DI input S20 emergency cooling S25 manual control of outputs S30 continous cycle Pull down S32 delay of outputs at power up PS 0 1 0 0 z 5 z Air temperature Sair u01 100 0 200 0 C F a Read the present regulation u02 1000 2000 C F D reference Defrost temperature S5 u09 100 0 200 0 C F DI1 input u10 oFF on gt Status of night operation u13 oFF on DI2 input u37 OFF on Condenser temperature Sc U09 100 0 2000 C F Compressor relay status u58 OFF on gt Fan relay status u59 oFF on Defrost relay status u60 oFF on Light relay status u63 oFF on Firmware version readout u80 000 999 Note hidden parameters are greyed out 28 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 7 3 Parameter table ERC 214 EE EN lero C a a a ue a Main switch 1 service O OFF 1 ON We a l l l l ne 5 aps 61 APO AP6 APO API AP2 AP3 AP4 APS AP6 Sensor type selection n5 NIC 5 K nIO N
37. or protection against high condensing temperature f the condenser is blocking up with dirt and thereby reaches a too high condensing temperature controller will give the user early warning through condenser alarm and if temperature rises further it will switch the compressor OFF f the temperature measured by the condenser sensor Sc is reaching the set pre alarm limit a alarm is raised but no further action is taken This is used to indicate to the user that something is wrong with the condenser Often the reason is that that the air flow to the condenser is restricted dirt or because the condenser fan is broken The alarm will reset if the condenser temperature drops back by 5 C If the measured condenser temperature continues to increase and reaches the set Block limit the compressor is stopped and it is restricted from starting again until the alarm is reset manually FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss A High voltage limit Low voltage cut in limit compressor start Low voltage cut out limit alarm and compressor stop min run time RE min stop time time Temperature Power to compressor time Sc temperature C Block limit Pre alarm limit Pre alarm OK Sc temperature C Compressor oc or Pre alarm Block alarm 2 4 Pre defined applications The purpose of
38. pectively medium and low temperature applications with electrical defrost with stop on defrost sensor S5 Selection 6 covers applications where a reduced parameter list is recommended ERC 214 APP 1 ERC 214 APP 2 3 ERC 214 APP 4 5 Di1 DI2 Di1 DI2 D1 DI2 S5 lt a a x 010 010 o SET LI UNI e DO3 DO4 DO1 DO2 DO3 DO4 DO1 DO2 DO3 DO4 OTY bi O sat Ge eee DE say 2 5 Fan pulsating during compressor OFF cycle This is an energy saving feature During compressor OFF cycle controller will run the fan with defined duty cycle to maintain uniform temperature and delay the need of compressor switching ON FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 9 10 2 6 Defrost on Demand This feature records and averages the evaporator temperature recorded during the first three cut out of compressor immediately after defrost The controller will constantly follow the evaporator temperature and compare with the above recorded average temperature In between two defrosts If the evaporator temperature goes below the previously recorded average temperature by defrost on demand value d30 defrost will be triggered This function can only be used in 1 1 systems This function is disabled when the parameter defrost on demand is set to 20 Defrost on demand is triggered only if the time since
39. placement r40 50 0 50 0 K 0 0 0 0 0 0 0 0 0 0 offset temperature Pull down duration r96 0 960 min 0 T T E Pull down limit temperature r97 100 0 200 0 C F 0 0 Delay for temperature alarm A03 0 240 min 30 45 45 45 30 30 during normal conditions Delay for temperature alarm during pull down start up A12 0 240 min 60 60 90 90 60 60 defrost High temperature alg OEY CES co CN OUR UN Cabinet room Low temperature alarm limit A14 100 0 200 0 C F 30 0 0 0 0 0 0 0 10 30 0 DI1 delay time delay for selected DI1 A27 0 240 min 30 30 30 30 30 30 function Condenser high alarm limit A37 0 200 C F 80 80 80 80 Condenser high block limit A54 0 200 C F 85 85 85 85 5 Voltage protection enable A72 no yES no no no no no no Minimum cut in voltage A73 0 270 V 0 0 0 0 0 0 Minimum cut out voltage A74 0 270 V 0 0 0 0 0 0 Note hidden parameters are greyed out FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss App 0 mem ene wn wx une ess als Maximum voltage a A ET PRE ER EE Defrost method no rodenos watnaaal dol no nAt no no nAt nAt no no Defrost stop temperature d02 0 0 50 0 CAF 6 0 8 6 0 Defrost interval d03 0 240 hours 8 6 6 8 Max defrost time d04 0 480 min 30 45 60 30 Defrost delay at power up dos 0 2400 min 0 i 0 0 i i or DI signal Drip delay d06 0 60 min 0 0 0 z Defrost stop sensor configuration non time d10 non Air non non Air non Air Sair air temperature Compr
40. plication i TAN 1 2 3 4 5 6 Scroll through the i parameter names DO4 configuration only for 4 relays model i Scroll through the i parameter groups 14 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 5 4 Quick Configuration via cFg menu Press SET for three seconds to access the parameters groups Select CFg menu and press SET to enter The first menu r12 main switch is displayed Switch OFF main switch r12 0 for changing the pre installed application Press UP DOWN to scroll through the parameter list Configure the 061 parameter to select a pre installed application Press SET to access the o61 parameter Press UP DOWN to select an application Press SET to confirm o61 is displayed Continue to set the next parameters 006 sensor type and 036 DO4 configuration in the cFg menu 5 5 Adjust set point temperature short press SET adjust setpoint temperature UP DOWN change the temperature setpoint in setting mode the setpoint flashes SET save the temperature setpoint 5 6 Initiate a manual defrost DEFROST press for 3 seconds to initiate a defsost DEFROST press for 3 seconds to stop manual defrost The DEFROST icon is shown during defrost 5 7 Initiate a pull down PULL DOWN press for 3 seconds to initiate pull down Pud is shown for 3 seconds to indicate pull down The PULL DOWN icon
41. r S5 and Sc must be of same type 036 DO4 configuration This parameter is to configure 4 relay as light or Alarm in case of four relay controller ERC214 Lig light ALA alarm Ir Reference r00 Temperature setpoint This parameter defines the desired cabinet temperature at which compressor cuts out The set value can be locked or limited to a range with the settings in r02 and r03 r01 Differential This defines the difference between the cut out and the cut in of compressor relay Compressor relay will cut in when the cabinet temperature reaches the set point differetial In case of heating application heater will cut in when the temperature reaches the set point differential r02 Minimum set point limitation The minimum allowable setpoint value can be configured here to avoid setting too low values by accident mistake r03 Maximum set point limitation The maximum allowable setpoint value can be configured here to avoid setting too high values by accident mistake r04 Display offset Correction value in display temperature If the temperature at the products and the temperature received by the controller are not identical an offset adjustment of the display temperature can be carried out under this menu code r05 Display temperature unit Set here if the controller is to show temperature values in C or in F Switching from one to the other will cause all temperature settings to be automatically updated to respective unit r09 Ca
42. read value is multiplied by 100 to obtain the number of cycles On reaching 999x100 cycles the counts stops and is reset to 0 Relay 3 counter The number of cycles for the DO3 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 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 19 20 026 036 037 038 061 067 071 091 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 DO4 configuration This parameter is to configure 4th relay as light or Alarm in case of 4 relay controller ERC214 Lig light ALA alarm 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 de
43. rost with stop on time Selection 4 and 5 covers respectively medium and low temperature applications with electrical defrost with stop on defrost sensor S5 Selection 6 covers applications where a reduced parameter list is recommended ERC 213 APP 1 ERC 213 APP 2 3 ERC 213 APP 4 5 Di1 DI2 Di1 DI2 D1 DI2 S5 s 020 DO2 DO3 8 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss Predefined application table for ERC 214 Cooling No predefined application Medium temperature ventilated refrigeration units P cooing with timed natural defrost 076 Natural Me Medium temperature ventilated refrigeration units a P 1 A with timed electrical defrost Vna Pai time Cooling Low temperature ventilated refrigeration units with 26 20 C Else Time timed electrical defrost Medium temperature ventilated refrigeration units F GENE with electrical defrost by temperature Ce Beatie Temperature Low temperature ventilated refrigeration units with 5 0 Cooling electrical defrost by temperature 26 20 C Electrical EEE E o predefined application with simplified list of parameters Selection 1 covers normal temperature applications with natural defrost with stop on time Selection 2 and 3 covers respectively medium and low temperature applications with electrical defrost with stop on time Selection 4 and 5 covers res
44. t by temperature None no preset application with simplified parameter list Press for one second UP Press and hold ON OFF Press for one second DOWN Press and hold DEFROST Press for one second TEMPERATURE SETPOINT OK Press and hold MENU Note refer to chapter 2 4 Pre defined Applications for a complete description of the available applications FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss 13 STEP 4 select sensor type 006 The display automatically shows sensor selection parameter o06 Press SET to select the sensor type The display shows the default value eg n70 flashing Choose sensor type by pressing UP DOWN n5 NTC 5 K n10 NTC 10 K Ptc PTC Pt1 Pt1000 and press SET to confirm NOTE all sensors must be the same type STEP 5 configure DO4 output 036 The display automatically shows the o36 parameter to configure DO4 output Available only in 4 relays model Select light Lig or alarm ALA as per the application and press SET to confirm The display returns to normal display mode and the control is started 5 3 Menu Structure Pay rt dus see SET press for 3 seconds to access status setup and service 1 Parameter groups DL l d Password if enabled 3 Value Status input 2 Parameter name Application 1 2 3 4 5 6 Configuration Main switch Application Application 0 Sensor type Ap
45. 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 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 DO2 configuration Here you can configure the second relay as defrost or alarm in case of three relay controller ERC213 dEF defrost ALA alarm 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 FR ERC 21X user manual DKRCC ES RLO H4 02 520H9845 Danfoss Parameter description P Polarity P73 P74 P75 P76 DI1 input polarity no normally open associated functionality is activated when DI1 port is short circuit The associated function is deactivated when DI1 port is open circuit nc normally closed associated functionality is activated when DI1 port is open circuit and deactivated when DI1 port is short circuit DI2 input polarity no normally open associated functionality is activated when DI2 port is short circuit The associated function is deactivated when DI2 port is open circuit nc norm
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