RWC JG Underfloor User manual

INSTALLATION AND USER MANUAL
240V Wired Programmable Thermostat
Underfloor

2
Contents
Thermostat specification
Important safety information
Display
Time setting
Programme setting
Operation mode
Alarm instructions
Installation
Wiring diagram
Configuration Menu
Connecting the App
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3
7
8
9
10
11
12
13
17
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1
Power source: 100-240VAC 50/60Hz
Load current output: 250VAC 3(2)A
Temperature setting range: 5~35°C
Display accuracy: 0.1°C
Setting accuracy: 0.5°C
Storage temperature: -10~60°C, 0~90%RH
Ambient temperature: 0~50°C, 0~80%RH
Wifi frequency: 2.4GHz
Specification
12mm
23.1mm86mm
86mm

2
Read all of the information in this manual before installing this thermostat.
removing, cleaning, or servicing this thermostat.
Only a professional contractor should install this thermostat.
All wiring must conform to local and national building and electrical codes
and regulations.
If the system is not operating properly, check the wiring and replace the
fuse if necessary.
Use this thermostat only as described in this manual.
Important safety information

3
Thermostat display
a b c d e
a ON/OFF/Boost
b Time setting
c Menu button
d Lower temperature setting
e Raise temperature setting
f Reset
needle
f

235 6 7 8 9
11
12
13
15
16
17
14
1
10
4
4
1 If the icon is not shown then WiFi is not connected
If the signal is lost after connection the icon will flash
2
Weeks icon
3
Mode: Room mode, floor mode,
dual temperature mode
4
Room temperature/time display
5
Manual mode
6
Programming mode
7
8
Key lock
9
10
Frost protection
11
Holiday mode
12
Settings menu
13
AM/PM
14
Sleep mode
15
Away mode
16
Back home mode
17
Wake up
Temperature setting/Boost display
Thermostat display
Boiler on/o
1
234 5 6 7 8
9
10
11
13
14
15
12
16
17

5
ON/OFF function
Press ‘ ’ to turn the thermostat ON. Press and hold ‘ ’ again to turn
the thermostat OFF.
Key lock function
In the main display interface, press and hold ‘ ’ ‘ ’ at the same time to
activate or cancel the key lock. When activated, no keys can be used. The
thermostat will display ‘ ’.
Boost function
Press ‘ ’ to switch the setting temperature or boost control. When the
display shows ‘ ’, press ‘ ’ ‘ ’ to select boost. The length of time the
heating will be boosted is displayed. When the time elapses the screen
returns to the temperature display.
Press ‘ ’ to cancel and go back to the temperature display setting.
Holiday mode
With the power on, press ‘ ’ to switch between manual mode,
programming mode and holiday mode. After selected holiday mode ‘ ’
will display and will run at 16°C. Press ‘ ’ to cancel holiday mode.
Boost function can be used during holiday period.

6
Open window function
If the room temperature drops 6°C in 4 minutes, the open window function
will activate and display ‘ ’, then turn down all heating. When the room
temperature increases by 2°C the thermostat will return to normal operation.
Press any button to cancel the open window function while it is active.
Anti-seize function
If the thermostat has not been activated for over 1 week then to prevent the
valve and pump from seizing, the thermostat will run the system for 5 minutes.
Frost protection
In frost protection mode, when the temperature drops below what has been
selected, the thermostat will start the heating until the temperature has been
raised by 3°C.
Intelligent function
The intelligent function adjusts the starting time for home heating according
to the temperature measured within the building. It preheats your rooms to the
temperature according to your schedule.
Time Proportional and Integral (TPI) display
intervals, adjusting firing duration with demand, to maintain set room
temperatures. It can provide great cost savings.

7
Press and hold ‘ ’ for 4 seconds, press ‘ ’ to select year, month, day, time
scale, time, press ‘ ’ ‘ ’ to adjust setting, press ‘ ’ to confirm.
If there are no actions for 10 seconds, the thermostat will return to temperature
display mode.
Press ‘ ’ to check time, year, month, day.
Setting the date and time on initial start up
Plug in the power supply. Press ‘ ’ or ‘ ’ to set year, press ‘ ’ to set month,
day, time scale, time, press ‘ ’ ‘ ’ to adjust the setting.
Time setting
Year Month Day Time12h/24h optional

8
Programme setting
,
, .
Default programming (6 period programming)
Programme setting: 4/6 period programming optional
(factory default: 6 period).
When thermostat is on, press and hold ‘ ’ to enter the programming mode.
Press ‘ ’ or ‘ ’ to select the programming week (5+2, 5+1+1 or 7 individual
day optional).
Press ‘ ’ to enter time setting mode. Press ‘ ’ or ‘ ’ to select time, press ‘ ’
to enter temperature setting mode, Press ‘ ’ or ‘ ’ to select temperature.
Press ‘ ’ to save and exit. If no buttons are pushed for 10 seconds, the
thermostat will exit program setting automatic.
In programming state, press and hold ‘ ’ ‘ ’ at the same time to restore
factory settings, display ‘ ’
Default programming (6 period programming)
,
, .
Default programming
(4 period programming)
(6 period programming)
Wake up
6:00 20°C
Away
8:00 16°C
Back home
11:00 20°C 14:00 16°C
Back home
18:00 20°C 22:00 16°C
Sleep
Away
Wake up
6:00 20°C 8:00 16°C
Back home
18:00 20°C 22:00 16°C
Sleep
Away
(4 period programming)

9
Operation mode
Programming mode (The factory default is programmable)
The thermostat will run according to the pre-set schedule. The screen will
show ‘ ’
Manual mode
From programming operation mode, press ‘ ’ to enter the manual mode,
the screen will display ‘ ’. Press ‘ ’ or ‘ ’ to immediately adjust the
temperature and save automatically.
Temporary hold mode
The thermostat will keep the room at the temporary set temperature, and will
resume the programme operation mode when you enter the next programme.
In programming operation mode, press ‘ ’ or ‘ ’ to enter the temporary hold
mode, the screen display ‘ ’. Press ‘ ’ or ‘ ’ to immediately adjust the
temperature and save automatically.

10
Err. display Err. condition Result
Internal sensor open circuit
Internal sensor short circuit
Thermostat shut down all heating output
Thermostat shut down all heating output
Thermostat shut down all heating output
Thermostat shut down all heating output
External sensor short circuit
External sensor open circuit
Alarm instructions

11
Installation
1 2 3 4
Install the base Mounting screws Install the panel Finish

12
Wiring diagram
Wiring diagram for volt-free connection (e.g. boiler control)
Wiring diagram for 230V connections:
Power: 100-240VAC 50/60Hz
Imax: 3(2)A
Suggest cable is not over 1.5mm

13
Configuration menu
parameters. Press and hold ‘ ’ for 3 seconds, display ‘ ’, indicates all the
configuration settings have reverted to factory default setting. The thermostat
will return to ‘ ’ mode if no buttons are pushed within 10 seconds.
( )
Item Press
button
Displayed
(factory default)
Press or
to select Descriptions
1-6°C~+6°C
220°C~50°C
( )
5°C ~20°C
3( )
1/2/34 ( )
°C
°C
°C
Backlight mode
1: Backlight always bright
2: When a button is pressed, the backlight
is bright for 15 seconds
Select minimum setting temperature
Select maximum setting temperature
Temperature correction value
3: Backlight is o

14
Configuration menu
Item Press
button
Displayed
(factory default)
Press or
to select Descriptions
0.2°C~5°C
5
6ON/OFF Program option
ON/OFF
4 /6 Select Programming period in one day
6-6 time zones; 4-4 time zones
7
°C
When the temperature is <room temperature
-setting value,the heating will stop.
When the temperature is < room temperature
+ setting value, the heating will start.
8On / OFF
Intelligent function option
ON : Turn on intelligent function
OFF : Turn off intelligent function
9On/ OFF Open windowfunction option
ON/OFF

15
Configuration menu
Item Press
button
Displayed
(factory default)
Press or
to select Descriptions
10 Frost protection option
ON /OFF
On / OFF
12 TPI function option: ON/OFF
On/OFF
13 On/OFF Anti-seize function selection: ON/OFF
nC/ nO Select the actuator type：NC/NO
14
100/ 10
External sensor
100 : NTC100K
10 : NTC10K
15
External sensor function option
Sr : room mode
rF : room and floor mode
SF : floor mode
Sr/SF/rF
16
11 Frost protection temperature setting
5°C~17°C
°C

16
Configuration menu
Item
Press
button
Displayed
(factory default)
Press or
to select Descriptions
( ) 6 – 45°C
Press to confirm and exit.
17
18
°C Select maximum floor setting
temperature limitation
Note item 14, if connected to a wiring centre all actuators should be the same
configuration.
‘ ’

17
Connecting the App
Download and register
Click App store (click Android application market)
Search for ‘JG Underfloor’ and download
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18
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