Erc 213; Erc 214 - Danfoss ERC 21 Series User Manual

Electronic refrigeration control, type ERC 21X
Figure 1: ERC 211
Sair
Outputs:
• Relay 1: compressor/solenoid valve control or simple heater in case of heating application.
Inputs:
• Input 1: control sensor (Sair).
• Input 2: condenser sensor or digital inputs that can be configured for various functions as mentioned under menu
code o02.

ERC 213

ERC 213 has three relays outputs and four inputs (2 analogues, 1 analogue/digital, 1 digital) for cooling and heating
applications.
Figure 2: ERC 213
Sair
S5
Outputs:
• Relay 1: compressor/solenoid valve control or heater in case of heating applications
• Relay 2: can be configured defrost control or external alarm or cabinet light
• Relay 3: fan control
Inputs:
• Input 1: control sensor (Sair)
• Input 2: defrost sensor (S5)
• Input 3: condenser sensor (Sc) or digital input that can be configured for various functions as mentioned under
menu code o02
• 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
DI1
DO1
Sc
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DO1
Sc
DO2
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