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Refrigeration controller, type EET series
Product specification
Technical specification
Table 2: Electronic temperature control, type EETc 11, 12, 21 and 22
Product specification
Purpose of control
Construction of control
Voltage
Types/Models
Power supply
Relay ratings
Product dimension
Temperature control
Number of inputs
Supported sensor types
Measuring accurancy
Measurement range
Number of outputs
Input connector type
Output connector type
Communication
Operating temperature range
Humidity range
Installation
Relay switching
Overvoltage category
Surge Protection
Table 3: Electronic temperature control, type EETa 2W and EETa 3W
Product specification
Purpose of control
Construction of control
Power supply
© Danfoss | Climate Solutions | 2023.07
EETc 11, EETc 21
Operating temperature sensing control suitable for incorporation into commercial air-conditioning and refrigeration applica-
tions
Incorporated control
120 V, 50/60 Hz, Non-Isolated
EETc 11 (One relay 120 V)
EETc 21 (Two relay 120 V)
120 V AC +10%/-15%, 50/60 Hz
DO1 (Relay 1)
UL 60730:
16 A Resistive, 100k cycles
16 FLA, 72 LRA, 30k cycles
EN 60730:
16 A Resistive, 100k cycles
16 A (break) (0.75 – 0.8 p.f.), 72 A (make) (0.4 – 0.5 p.f.), 30k
cycles
DO2 (Relay 2)
UL 60730:
5 A Resistive, 30k cycles
2 FLA, 12 LRA, 30k cycles
EN 60730:
5 A Resistive, 30k cycles
Length: 79 mm
Width: 37.5 mm
Height: 30.5 mm
Potentiometer with Spindle
2 (1 Analogue + 1 Analogue / Digital)
NTC 5K (Beta value 3980 @ 25/100 °C)
NTC 10K (Beta Value 3980 @ 25/100 °C)
±1 K below -35 °C
±0.5 K between -35 – +25 °C
±1 K above 25 °C
-40 – +80 °C
One relay version: Compressor relay
Two relay version: Compressor relay + Aux relay (Defrost heater / Evaporator fan)
Plug & Header type
Tab connector
TTL (MODBUS)
-25 – +55 °C
93% RH, Condensing
Spindle mounted
Cold Space Installability
Zero cross technology (All relays)
III: 230 V supply version (ENEC, UL recognized)
III: 115 V supply version (UL recognized)
4 KV
EETa 2W
Operating temperature sensing control suitable for incorporation into commercial air-conditioning and refrigeration applica-
tions
Incorporated control
100 – 240 V AC +/- 10%, 50/60 Hz, Non isolated
EETc 12, EETc 22
230 V, 50/60 Hz, Non-Isolated
EETc 12 (One relay 230 V)
EETc 22 (Two relay 230 V)
230 V AC +10%/-15%, 50/60 Hz
DO1 (Relay 1)
UL 60730:
16 A Resistive, 100k cycles
10 FLA, 60 LRA, 30k cycles
EN 60730:
16 A Resistive, 100k cycles
10 A (break) (0.75 – 0.8 p.f.), 60 A (make) (0.4 – 0.5 p.f.), 30k
cycles
DO2 (Relay 2)
UL 60730:
5 A Resistive, 30k cycles
2 FLA, 12 LRA, 30k cycles
EN 60730:
5 A Resistive, 30k cycles
EETa 3W
BC320944106159en-000301 | 15
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