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Replacing thermostat - danfoss ret230L with digital thermostat

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3 Oct 2020
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Hi
I would replacing my old mechanik thermostat with new digital wireless thermostat
my old thermostat is danfoss ret230L
Capture-1.jpg circuit1.jpg circuit2.jpg

I bought one wireless digital thermostat but there is 6 terminal to connection


1. A wire which is permanent Live (Terminal 4) - 240v 50Hz.
2. A wire which is connected to the Neutral (Terminal 3)
3. A powered wire from the programmer (Terminal 5)
4. A switched live which signals the demand for hot water to the central heating system. (Terminal 6)
I dont know how to do

L to the terminal 4
N to the terminal 3

but where can i put the old thermostat terminal on conection?
shud i put on terminal 6 ?
Thank you for answer
 
It would help if you gave us the model number of the new stat.
I’m not logged into Screwfix
 
HI

That all wath I found about thermostat

Thermostat Programmable Days: 7- Day
Programmability: Programmable Model: HY316WW WIFI
Smart Home Protocol: Wi-Fi Colour: Black
MPN: HY316WW WIFI Smart Home Compatibility: Smart Life App, Amazon Alexa, Google Home/Assistant
Battery Size: N/A Material: Plastic
Voltage Type: Line Voltage Mounting: Wall-Mounted
System Switching: Auto Sensor Technology: Temperature
Brand: Unbranded Power Source: Mains Electric.
Control Style: App Control, Touch, Voice Display Size: 3.5 in (8.9 cm)
Thermostat Shape: Round Compatible Product: Central Heating Radiator
Voltage: 240 V

I bought from ebay
https://www.ebay.co.uk/itm/WiFi-Thermostat/363063865098?hash=item54884aef0a:g:SwAAAOSwTKZfJIFx

Thank you for you help
 
Last edited:
Hi
I would replacing my old mechanik thermostat with new digital wireless thermostat
my old thermostat is danfoss ret230L
View attachment 206692 View attachment 206693 View attachment 206694

I bought one wireless digital thermostat but there is 6 terminal to connection


1. A wire which is permanent Live (Terminal 4) - 240v 50Hz.
2. A wire which is connected to the Neutral (Terminal 3)
3. A powered wire from the programmer (Terminal 5)
4. A switched live which signals the demand for hot water to the central heating system. (Terminal 6)
I dont know how to do

L to the terminal 4
N to the terminal 3

but where can i put the old thermostat terminal on conection?
shud i put on terminal 6 ?
Thank you for answer

I assume it’s your house with the red wall. If so.

4 and 5 brown
3 black
6 grey

You will need to put your timer CH to always on.
 
Thank You for help :) yes my wife love this colour :D
 

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