Related Manuals for Danfoss ERC 21 Series
Summary of Contents for Danfoss ERC 21 Series
- Page 1 User Guide Electronic refrigeration control Type ERC 21X series Smart multipurpose refrigeration controller...
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Page 2: Table Of Contents
ERC 214 controller Electrical connection diagram Electric noise Configuration Menu navigation and overview Quick configuration at power up Quick configuration via cFg menu Parameters Menu functions Configuration Thermostat Alarm settings Defrost © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 2... - Page 3 Alarm Defrost Fan control Compressor Others Polarity Parameters: ERC 214 Configuration Reference Alarm Defrost Fan control Compressor Others Polarity Alarm code Product specification Technical specification Mounting Installation steps Dimensions Troubleshooting © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 3...
- Page 4 Electronic refrigeration control, type ERC 21X Ordering Sensors Certificates, declarations, and approvals Certificates, declarations, and approvals Online support © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 4...
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Page 5: Introduction
• ERC 214: four relays outputs for ventilated refrigeration and heating applications. 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. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 5... -
Page 6: Erc 213
• Input 4: digital input that can be configured for various functions as mentioned under menu code o37 ERC 214 ERC 214 has four relays outputs and four inputs (2 analogue, 1 analogue/digital, 1 digital) for cooling applications. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 6... - Page 7 • Input 3: condenser sensor (Sc) or digital input that can be configured for various functions as metioned under menu code o02 • Input4: digital input that can be configured for various functions as mentioned under menu code o37 © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 7...
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Page 8: Functions
The alarm can be reset manually by setting the parameter r12 Main switch to OFF position and back to ON position or by powering the controller down. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 8... -
Page 9: Reference Displacement
Night mode helps to reduce cooling load and thereby power consumption during non-business hours i.e., Night time. The thermostat set point will be offset by a fixed value during night mode keeping alarm limits same. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 9... -
Page 10: Fan Cycling During Compressor Off Cycle
◦ Pull down mode ◦ Night mode ◦ Main switch in DI or main switch in Menu is in OFF position ◦ Manual control mode ◦ Evaporator temperature greater than 0 °C. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 10... -
Page 11: Applications
The digital inputs DI1 and DI2 can be configured for multiple functions (refer Parameters “o02” and “o37”). The digital inputs DI1 and DI2 can be configured for multiple functions (refer Parameters “o02” and “o37”). NC = Not configured © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 11... -
Page 12: Erc 214 Controller
NC = Not configured Electrical connection diagram Table 4: Electrical connection diagram Type Connection diagrams ERC 211 Not used DI/Sc Sair ERC 213 Not used Sc/DI1 Sair ERC 214 Not used Sc/DI1 Sair © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 12... -
Page 13: 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. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 13... -
Page 14: Configuration
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. NOTE: Refer Pre-defined applications for a complete description of the available applications. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 14... -
Page 15: Quick Configuration Via Cfg Menu
Open the “o06 Sensor type” and select the temperature sensor type used (n5=NTC 5 K, n10=NTC 10 K, Ptc=PTC, Pt1=Pt1000)- (Press “SET”). Open the “o02 DI1 Configuration” and select the function associated to digital input 1 (Press “SET”). © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 15... - Page 16 Press "PULL DOWN" button again for 3 seconds to stop the pull down Figure 14: View active alarm Temperature and alarm codes alternate flashes until the alarm is resolved. The alarm bell is shown. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 16...
- Page 17 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. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 17...
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Page 18: Parameters
The thermostat’s reference can be offset by this value during night or when there is no usage. Offset can be set both possitive and negative sides (Select a negative value if there is to be cold accumulation). Activation can take place via digital input. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 18... -
Page 19: Alarm Settings
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. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 19... -
Page 20: Fan
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. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 20... -
Page 21: Miscellaneous
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. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 21... -
Page 22: Service
Parameters: ERC 211 Configuration Table 15: Configuration Function Code Min. Max. Unit Configuration Main switch -1=Service, 0=OFF, 1=ON) Predefined applications Cooling/Heating (rE=Cooling, Ht= Heating) Sensor type selection (n5=NTC 5K, n10=NTC10K, ptc=PTC, pt1=PT1000) © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 22... -
Page 23: Reference
Defrost delay after pull down cycle This option is a default setting in the controller and cannot be changed. This option is a default setting in the controller and cannot be changed. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 23... -
Page 24: Compressor
= normally closed Key board lock (no / yes)(0=no, 1=yes) Parameters: ERC 213 Configuration Table 21: Configuration Function Code Min. Max. Unit Configuration Main switch (-1=Service, 0=OFF, 1=ON) Predefined applications © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 24... -
Page 25: Reference
Defrost Interval hour Max defrost Time Defrost delay at power up Drip delay Fan delay after defrost Fan start temperature after defrost -50.0 50.0 °C -5.0 50.0 50.0 50.0 -5.0 -5.0 © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 25... -
Page 26: Fan Control
= Door alarm with resumption, doA = Door alarm without resumption, SCH = Main switch, nig = Day/Night mode, rFd = Reference displasement, EAL = External alarm, dEF = Defrost, Pud = Pull down © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 26... -
Page 27: Polarity
50.0 -18.0 -20.0 50.0 70.0 Minimum set point limitation -100.0 200.0 °C -35.0 -24.0 -26.0 -35.0 30.0 Display offset -10.0 10.0 Display Unit (°C/ °F) Calibration of Sair -20.0 20.0 © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 27... -
Page 28: Alarm
Fan ON Cycle Fan OFF cycle This option is a default setting in the controller and cannot be changed. This option is a default setting in the controller and cannot be changed. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 28... -
Page 29: Compressor
= normally closed DI2 input polarity (nc/no) no = normally open nc = normally closed Invert alarm relay (0= normal, 1= invert relay ac- tion) Key board lock (no / yes)(0=no, 1=yes) © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 29... -
Page 30: Alarm Code
The condenser block alarm can be reset by setting r12 Main switch OFF and ON again or by powering down the controller. The condenser block alarm can be reset by setting r12 Main switch OFF and ON again or by powering down the controller. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 30... -
Page 31: Product Specification
Resistance to heat and fire Category D (UL94-V0) Temperature for ball pressure test statement According to Annex G (EN 60730-1) EMC category Category I Mounting Figure 16: Mounting Figure 17: Dismounting © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 31... -
Page 32: Installation Steps
• To remove the controller, one needs to skillfully unlatch the snapping tab and pull the clips backwards. Dimensions Figure 18: Dimensions (mm) Drilling template 61.2 Rear mounting (lock with clips) © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 32... -
Page 33: Troubleshooting
Pull-down does not start Pull-down max duration is 0 Check r-- → r97 Pull-down limit temperature too high Check cFg → o06 Wrong temperature displayed Wrong type of sensor selected © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 33... -
Page 34: Ordering
084N0036 Stainless steel 6x40 1.5 m 084N0035 Stainless steel 6x40 3.5 m 084N0039 Stainless steel 6x40 5.5 m 084N0038 NOTE: All the mounted sensors must be of same type. © Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 34... -
Page 35: Certificates, Declarations, And Approvals
Some approvals may change over time. You can check the most current status at danfoss.com or contact your local Danfoss representative if you have any questions. -
Page 36: Online Support
Online support Danfoss offers a wide range of support along with our products, including digital product information, software, mobile apps, and expert guidance. See the possibilities below. The Danfoss Product Store The Danfoss Product Store is your one-stop shop for everything product related—no matter where you are in the world or what area of the cooling industry you work in.
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