Home > ENGO CONTROLS > ENGO CONTROLS EFAN-230W Fan Coil Thermostat User Guide
ENGO CONTROLS EFAN-230W Fan Coil Thermostat User Guide
FAN
LCD icons Description + Button Description
Change the parameter value up
Product Compiliance
This product complies with the following EU
Directives: 2014/53/EU i 2011/65/EU.
1. Humidity display
15. Power OFF icon
2. Room temp
16. Key lock
3. Fan icon (it is animating when fan is running) 17. Parameters icon
1
2
3
4
5
Fan Coil thermostat, WIFI, 230V
Change the parameter value down
6
Manual/Schedule mode - short button press (online mode)
Enther the installer parameters- hold 3 seconds
Turn OFF/ON thermostat - hold 5 seconds
AUTO
4. Fan Speed (LO, ME, HI, AUTO, OFF)
5. Clock
6. Celcius unit
7. Heating mode icon
8. Cooling icon
9. AUTO Heat/Cool active
10. Schedule icon
11. Manual or temporary override mode
12. Pipe sensor (2-PIPE) or external temp sensor
13. Temp value of the additional sensor
14. Occupancy sensor -conencted to S2-COM
18. Setting icon (set value icon)
19. Frost mode icon
20. Underfloor heating icon
21. ECO mode icon
22. WiFi connection
23. Cloud connection
1
23
22
7
8
9
Safety information:
A
21
20
19
18
Use in accordance with national and EU
regulations. Use the device only as intended,
keeping it in a dry condition. The product is for
indoor use only. Please read the entire manual,
before installation or use.
2
Enter the pairing mode - hold until the PA message
appears
10
11
12
SET
+
3
Factory reset - hold until the FA message appears
Lock/Unlock thermostat keys - hold 3 seconds
Heating/Cooling mode change - hold 3seconds
EFAN-230W
EFAN-230B
Quick Guide
1. “UP”button
2. “OK”button
3. “DOWN”button
+
+
17
13
15
14
16
Installation
Works with
Powered By
Ver. 1.1
Release date: XII 2024
Soft:
Main module: v2.0.2
MCU: v0.2.8
Wall mounting
Installation must be performed by a qualified
person with appropriate electrical qualifications,
in accordance with the standards and regulations
in force in a given country and in the EU. The
manufacturer is not responsible for non-
compliance with the instructions.
Connection description and EFAN thermostat configuration instructions
To properly install the controller, follow the steps
below:
GET IT ON
2-pipe fan coil
(heating and/or cooling)
4-pipe fan coil (heating and cooling
or underfloor heating and fan coil for cooling)
Underfloor heating
Available on the
Floor temperature sensor
S2
(optional)
1
T2
T1
S1
S2
Modbus
RS-485
T2
T1
S1
S2
S2 COM S1
T2
T1
B-
Modbus
RS-485
S2 COM S1
A+
Modbus
RS-485
B-
EFAN-230
S2 COM S1
Producer:
Engo Controls sp. z o.o. sp. k.
Rolna 4 St.
B-
A+
EFAN-230
F3 F2 F1 V2 V1
N
L
A+
EFAN-230
F3 F2 F1 V2 V1
N
L
43-262 Kobielice
Poland
WARNING:
N
L
F3 F2 F1 V2 V1
N
L
For the entire installation, there may be
additional protection requirements, which the
installer is responsible for.
V1
SL..
V1
ECB8-230
Underfloor
wiring centre
Grab the top part and the bottom
part to disconnect
V2
AC 230V
L
AC 230V
L
N
N
Introduction
1
1
1
Controller for fan coil units or trench heaters with fan, ideal for both 2-pipe and 4-pipe systems. It offers flexible
control of 3-speed 230V fans, automatically adjusting the fan speed as required. Frost protection mode and
overheat protection functions guarantee safety, while the built-in ECO mode saves energy, resulting in lower
energy bills. With support for mixed systems (fan coil and underfloor heating), the EFAN230 is a complete
solution for anyone who wants to ensure thermal comfort in their home or office.
1
2
1
2
1
2
Use the or button
select 2-pipe system. Then
confirm with button.
Use the or button
select 4-pipe system. Then
confirm with button.
or button
Use the
select 2-pipe system. Then
confirm with button.
SET
SET
SET
2
2
Press or button to select operating mode:
2
2
Press or button to select operating mode:
Press or button to select operating mode:
AUTO
a)
b)
Fan coil heating in a 2-pipe system
Technical data
Power supply
Products features
AUTO
Fan coil heating and cooling
in a 4-pipe system
a)
b)
a)
Underfloor heating
AUTO
230V AC 50 Hz
5,0°C to 45,0°C
0,1 or 0,5°C
Fan coil cooling in a 2-pipe system
Wi-Fi 2.4 GHz communication standard
Setpoint temp. range
Display temp. accuracy
AUTO
Underfloor heating
and fan coil cooling
AUTO
Fan coil heating and cooling
in a 2-pipe system
Confirm your selection with button.
c)
Modbus RS-485 communication
Control of 2 or 4 pipe fan coil units
Support for fans 3-speed 230V
Combined system control
Connect the wires, and then screw back parts to
the mounting box.
Delta FAN, Histeresis ( 0,1.. 2°C),
TPI (for underfloor heating)
Confirm your selection with button.
Confirm your selection with button.
Control algorithm
NTC
3
3
3
Communication
Input A+/B-
Wi-Fi 2,4GHz
AUTO
AUTO
AUTO
3
Modbus RS-485
The controller is configured
for a 2-pipe system.
The controller is configured
for a 4-pipe system.
The controller is configured
for underfloor heating.
S1/COM, S2/COM - temp. sensor
or volt-free contact
Inputs
Compatibility with the ENGO Smart
application (in Tuya Cloud technology)
Valve control outputs
Fan control outputs
V1, V2 - 230V AC, 5(2)A
Controller connection terminals:
2-pipe: control output 230V AC - heating and/or cooling valve
4-pipe: control output 230V AC - heating valve
Legend for diagrams:
V1
V2
S1
Measurement of humidity and
temperature
Power supply 230V AC
L, N
F1
F1, F2, F3 - 230V AC, 5(2)A
Fuse
External contact
2-pipe: not active
4-pipe: control output 230V AC - coolingvalve
Output 230V AC - I low fan speed
Output 230V AC - II medium fan speed
Output 230V AC - III high fan speed
Modbus RS-485 terminals
90 x 90 x 44 mm (13 mm after
mounting in a box with
a diameter of 60)
Volt-free input of a switch or temperature sensor EFS300 on the
pipe (change of heating/cooling mode)
ECO mode
F2
V
T
Valve actuator
3-speed fan 230V AC
Temperature sensor
Slide the front of the controller over the back part.
Turn on the power supply.
The controller is ready for operation.
Dimmension
F3
Volt-free switch input (for occupancy sensor - hotel card) or
external temperature sensor (EFS300)
S2
Easy installation and configuration
A+ / B-
GND for the sensor/contact
COM
| General | Details |
|---|---|
| Name | ENGO CONTROLS EFAN-230W Fan Coil Thermostat User Guide |
| Make | ENGO CONTROLS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.41 MB |

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Summary of Contents
- Page 1: LCD icons description and button description are provided. The product complies with EU directives 2014/53/EU and 2011/65/EU. Safety information emphasizes use in accordance with national and EU regulations. Installation must be performed by a qualified person in accordance with standards. The controller is designed for fan coil units or trench heaters with flexible control of 3-speed fans. Frost protection mode and overheat protection functions ensure safety. The product supports mixed systems, including fan coil and underfloor heating. Technical data includes power supply specifications and temperature ranges. Communication options include Wi-Fi 2.4 GHz and Modbus RS-485. Easy installation and configuration are highlighted for user convenience.
- Page 2: Installation of the Wi-Fi thermostat in the app requires ensuring your router is within range and that you are connected to the Internet to reduce pairing time. To enter installer parameters, press and hold the button for 3 seconds. In a 2-pipe system, the system switches to cooling mode below a certain value and to heating mode above another value. Download the ENGO Smart app from Google Play or Apple App Store. To register a new account, follow the steps provided, including entering your email and verification code. After installing the app and creating an account, connect the thermostat to Wi-Fi by selecting Add Device in the app. The MODBUS RTU structure uses a master-slave system for communication, allowing the connection of multiple slaves to one master. Before connecting to the RS-485 network, the controller must be correctly configured. To reset the controller to factory settings, hold down the appropriate buttons until the FA message appears. The thermostat will display the main interface after successful installation and connection to the Wi-Fi network.














