Danfoss EET Series User Manual

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

Danfoss EET Series Specifications

General

Brand	Danfoss
Model	EET Series
Category	Controller
Language	English