Engo EFAN-230 Zigbee Smart Thermostat Owner’s Manual
HOLDING registers – for reading and writing
Adress
Value
range
Access
Description
Means
Default
1
Dec
0
Hex
0x0000 R/W (#04)
Engo MODBUS Model ID
1-247 MODBUS Slave (ID)
1 = 2 pipe - only heating
2 = 2 pipe - only cooling
3 = 2 pipe - heating & cooling
4 = 2 pipe - underfloor heating
5 = 4 pipe - heating & cooling
234 0x00EA R/W (#06)
Fancoil type
1 - 6
0
6 = 4 pipe - underfloor heating & cooling by fancoil
Input inactive. Change between heating
and cooling with the buttons.
0
1
Input used to change heating/cooling via external contact
connected to S1-COM:
- S1-COM open --> HEAT mode
- S1-COM shorted --> COOL mode
Input used to AUTOMATICALLY change heating/cooling
based on PIPE TEMPERATURE in a 2-pipe system.
The controller switches between heating
and cooling modes based on the pipe temperature set
in parameters P17 and P18.
2
3
S1-COM input configuration
(P01 install parameter)
235 0x00EB R/W (#06)
0
Allow fan operation dependent on the temperature
measurement on the pipe. For example, if the temperature
on the pipe is too low, and the controller is in heating mode
- the pipe sensor will not allow the fan to run.
The change of heating/cooling is done manually - using the
buttons. Values for fan control based on pipe temperature
are set in parameters P17 and P18.
Activation of the floor sensor in the floor heating
configuration.
4
0
1
Input disabled
S2-COM input configuration
(P02 install parameter)
Occupancy sensor (when contacts are opened, activate ECO
mode)
236 0x00EC R/W (#06)
237 0x00ED R/W (#06)
0
0
2
0
1
External temperature sensor
NO - Disabled
Selectable ECO mode
(Installer Parameters -P07)
YES - Active
ECO mode temperature value for heating
(Installer parameters -P08)
238 0x00EE R/W (#06)
239 0x00EF R/W (#06)
50 - 450
50 - 450
N-> temp=N/10 °C
N-> temp=N/10 °C
150
300
ECO mode temperature value for cooling
(Installer parameters -P09)
Algorithm delta FAN in heating mode
The parameter determines the width of the temperature
range,
in which the fan operates in heating mode.
If the room temperature drops then:
240 0x00F0 R/W (#06) 1. when the value of delta FAN is small, the faster the
response of the fan to a change in temperature
- faster increase in speed
5 - 50
N-> temp=N/10 °C
20
2. when high value of Delta FAN,
the slower the fan increases speed
(Installer parameters -P10)
3
| General | Details |
|---|---|
| Name | Engo EFAN-230 Zigbee Smart Thermostat Owner’s Manual |
| Make | ENGO |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.12 MB |

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