Danfoss ERC 211 User Guide

Figure 6: Compressor protection against high condensing
temperature
Sc temperature °C
Sc temperature °C
Manual reset
Block limit
Pre alarm limit
Pre alarm OK
Compressor
Pre alarm
Block alarm
T1 T2 T3 T4
Danfoss 80G8376
Reference displacement
This feature enable user to toggle between two dierent set-points quickly by activating a switch on digital input.
This provides facility to switch between two storage temperatures without getting in to the menu. For example
meat requires dierent set points than vegetables. The reference displacement signal changes the normal
thermostat set-point and the alarm limits by a predened oset value.
Figure 7: Reference displacement
Danfoss 80G8474
Cabinet temp.
Thermostat ref. disp.
Thermostat ref. disp.
Time
Ref. displacement deactivated Ref. displacement deactivated
Low temp. alarm limit
Cut out
Differential
High alarm limit
High temp. alarm limit due to thermostat ref. replacement
Alarm limit also changes
(similar to high alarm limit)
Ref. displacement activated
Night mode
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 oset by a xed value during night mode keeping alarm limits same.
© Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 9
Electronic refrigeration control, type ERC 21X

Danfoss ERC 211 Specifications

General

Brand	Danfoss
Model	ERC 211
Category	Controller
Language	English