BN Thermic T16CS User guide

INSTRUCTIONS FOR:-

PROGRAMMABLE THERMOSTAT

T16C Series

PLEASE READ ALLTHESE INSTRUCTIONS, NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS,

FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY.

See next page for wiring diagrams

Thank you for purchasing a BN Thermic product. Manufactured to a high standard this product will, if used according to these instructions and
properly maintained, give you years of trouble free performance.

AND CAUTIONS. USE THIS PRODUCT CORRECTLY, AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED.

INSTALLATION INSTRUCTIONS

Floor Sensors
Connect first one to Sensor 1
Connect optional second one
to sensor 2

Please Note:- You can drive directly up to 3,600W (16A) with this thermostat (see fig 1), If the total load is above 3,600W (16A) you must install
an external relay or contactor to take the load (see fig 2).

Mounting instruction:
All electrical conduits to the thermostat box that contain heating cable or floor sensors must be sealed to protect the thermostat against hot air

currents coming up the conduit and into the thermostat. Failure of the thermostat is not covered by the guarantee if it over heats!
At least one floor sensor must be used when using this thermostat with underfloor heating (supplied) and all floor sensors MUST be mounted
alone in a separate conduit to avoid electrical interference. Again seal this conduit to avoid hot thermal air reaching the thermostat.

Back view of Thermostat

IMPORTANT!

The thermostat power supply must be disconnected when inserting the
display part (the screen) into the base or removing it from the base!
Failure to follow this instruction may result in an irreparable damage to
the thermostat.

Before starting work the installer should carefully read this Installation & Operation
Manual, and make sure all instructions contained therein are understood and
observed.

-

The thermostat should be installed by suitably qualified electrician.

-

All instructions in this Installation & Operation manual should be observed when
working with the thermostat. Any other application shall not comply with the
regulations. The manufacturer shall not be liable in case of incompetent use of the
thermostat. Any modifications and amendments are not allowed for safety
reasons. The maintenance may be performed by service shops approved by the
manufacturer only.

-

The functionality of the controller depends on the model and equipment.
This installation leaflet is part of the product and has to be obtained.

APPLICATION

-

The thermostats are developed to control and manage all type of
heating installations.

-

The controllers have been designed for use in residential rooms, office spaces
and industrial facilities.
Verify that the installation complies with existing regulations before operation to
ensure proper use of the installation.

SAFETY INSTRUCTIONS

Before starting work disconnect the power supply!

-

All installation and wiring work related to the thermostat must be carried out
only when de-energized. The appliance should be connected and
commissioned by qualified personnel only. Make sure to adhere to valid safety
regulations.

-

The thermostats are neither splash- nor drip-proof. Therefore, they must
be mounted at a dry place.

-

Do not interchange the connections of the sensors and the 230V connections
under any circumstances! Interchanging these connections may result in life
endangering electrical hazards or the destruction of the appliance and the
connected sensors and other appliances.

FIRST INSTALLATION
Batteries inside the thermostat must be charged for at least 6 hours to reach
maximum capacity to back up time.

1. Product overview

Touch screen programmable thermostat specially designed to control different
types of heating systems.
The thermostat will allow you to optimize your energy consumption and increase
your comfort levels.

-

Modern design with touch screen.

-

Simplified wiring & Installation.

-

“Easy program creation” function.

-

Fully programmable.

-

Temporary override function.

-

Anti freeze function.

-

Holiday or Reception function.

-

Connections for 2 sensors.

-

Estimation of the cost and consumption of the installation

Options

Additional 2nd floor sensor with several possibilities
of regulation. (Floor, combined…)

Or
Remote air sensor (T16R) for use in damp

conditions e.g. wet rooms or shower rooms

2. Menu structure

Mode

Manuel
Timer
OFF
Anti freeze
Vacation

Vacation settings

OFF
Anti freeze
Reduce
Sunday’s program
Set Return Date

Program

Program Menu

View Current Program
Select Program
Edit Program

User 1
User 2
User 3

Settings

Language

English
German
Czech
Spanish
French

Date and Time

Date
Time
DST

Display

Colour

-

Blue

-

Red

-

Green

-

None

Clean Screen
Screen Lock
Floor Temperature Display

-

Yes

-

No

Degree Format

-

°C

-

°F

Time Format

- 12h

- 24h

Installation

Sensor



Sensor Calibration

-

Int

-

Ext1

-

Ext2



Ext. Sensor Type

- Ext1 (10K – 12K – 15K)

- Ext2 (10K – 12K – 15K)

Regulation



Sensor Regulation

-

Air

-

Air + Floor

-

Floor

-

Air (Ext) + Floor

-

Air + Floor (x2)



Regulation Type

-

ON/OFF

-

PID



Floor Limit

-

Low

-

High



First Heating

-

Wood (10 days)

-

Concrete (21 days)

-

Ceiling (10 days)



Smart Start

o

Yes

o

No



Open window function

o

Yes

o

No

RESET (press 2 seconds on the RESET button to reset your installation)

Statistics

View



View Last Day



View Months



View Year

kWh Price
Heating
Power

T16R – Remote wall sensor

3. Installation menu

This section will guide you through setting up your thermostat for the first time.

3.1.

Language

Press the (◄) or (►) keys near the flags to select the chosen
language. The active language is framed.
Press the ►key in the bottom right corner to continue the settings of the installation.

3.2.

Degree format

Select the degree format chosen by pressing on the touch button near the
degrees. The active option is coloured red
Press the ►key in the bottom right corner to continue to the next part of the
installation

You can return to the previous menu by pressing the key.

3.3.

Date and Time

Select the time format 12H or 24H using the same method as above.
Press the (◄) or (►) keys to activate the value to be modified.
Each time a value is highlighted, it can be modified by pressing the (+) or (-) keys.
Press the ►key in the bottom right corner to continue to the next part of the
installation
You can return to the previous menu by pressing the key.

3.4.

Sensor Regulation

Select the chosen sensor regulation by pressing on the touch button near the
sensor regulation possibilities
The active touch is
coloured red
Press the ►key in the bottom right corner to continue to the next part of the
installation

You can return to the previous menu by pressing the key.

3.5.

Heating power

Press the (◄) or (►) keys to select a unit, press the (+) or (-) keys to modify the
heating power.

This value is used to estimate the running cost of the system. You can return to
the previous menu by pressing the key.

Press the ►key in the bottom right corner to continue.
The main screen is displayed.

The default working mode will automatically be set to manual mode.

4. Mode of operation

Main screen

How to change the current mode?
Press on the key on the main screen and then press on the “Mode” button to

access to the operating modes.

You can now press the (◄) or (►) keys to scroll and select a mode.

The selected mode is framed, to select a mode press the key to return to the
main screen.

4.1 Programmable mode

In this mode the thermostat will follow the chosen program (Built-in or customized)
according to the actual time

You can temporarily override the selected program, by pressing the temperature
displayed on the main screen.

The small hand logo will be displayed when the override function is active. To exit
override mode, switch to manual then back to automatic mode

You will have the choice between 4 built-in programs that can’t be modified and 3 user
programs that you can customize.

1- How to customize a user program

Press on the “Mode” button then on “Edit Program” button and choose a user
program.

Then you will have to choose between 3 configurations:

a- Set day by day

You will set a new program for each day.
Automatically, the first day you will program is Monday.
The minimum program step is 15 minutes.
You will have to configure several periods.
The first period begins at 00:00. Then, choose the end time period with the (+) and (-)
keys and the temperature to be followed during this period.

Press “Next” button to continue the program. The next period will start at the end of
the last period.
For all periods you will define, you have to choose the end period and the

temperature. The last period stops at 24:00. Then press on the Next button.

Then, you can define another program for Tuesday by pressing the ‘EDIT” button
or you can copy the Monday Program by pressing the “Copy to” button

Continue to program as above for the remaining days of the week.
a- Set Weekday / Weekend

You will determine 2 programs: 1 for the weekdays (Monday to Friday) and 1 for
the weekend (Saturday and Sunday)
Use the same process as explained above to customize your program.

b- Set all Days at once
You will determine 1 program which will be the same for every day of the week
Use the same process as explained above to customize your program.

1- How to choose a program
Press on the “Mode” button then on “Program Menu” button, then “Select

Program”

button you can choose between 4 built-in programs and 3 user
programs.
Use the “See Next” button to scroll through the different programs and the “Select”
button to confirm your selection.

You can view the current program by pressing on “View current program”.
If you return to the main screen, press on the button to see the current

program.

• Timer mode
The Timer mode allows you to set a temperature and duration for a period of up to

5 hours.
This function can be used to override the existing program for short periods. You
will have to adjust the temperature and the duration (Default value 22°C). When

you have validated your choice, the logo appears on the left of the
temperature with the remaining duration below.

• Manual mode
Manual mode, the set temperature will be followed all the time.

• OFF mode
Use this mode if you need to switch off your installation. Be Careful: In this mode

your installation can freeze.

• Antifreeze mode
The antifreeze mode is used to protect your installation against frost. The default

value is 7°C but can be adjusted between 2°C and 15°C

• Holiday mode
You will have to select a mode which will be followed during the vacation time.

You have 4 possibilities:

• OFF Mode

• Antifreeze Mode

• Reduced Mode

• Sunday mode : the installation follows Sunday’s current program

Then, select a return date and time
The logo and date of return are displayed on the main screen

If you want to cancel the holiday function before the return date, you can simply

change operating mode.

5. Special Function

5.1 Keyboards lock Function
Use this function to prevent all change of your settings (In a child room, public

area…)

-

To activate the Key lock function, first press on Settings -> Display ->

Screen Lock

-

The “ ” logo will be displayed on the screen.

-

press on the key and then press 7 seconds on the logo

5.2 First heating
This function should be used after installation to prevent your floor from getting

damaged by its first heating cycles.

The first heating function works as follows:

-

Concrete: 2 hours of operation during first 24 hours, and 1 extra hour is
added for the 21 subsequent days. During this period, floor temperature (or
room temperature unless floor sensor is activated) is limited to 20°C.

-

Wood: 2 hours of operation during 24 hours on the first day, and 2 extra
hours are added for the 10 subsequent days. During this period, floor temperature
(or room temperature unless floor sensor is activated) is limited to 20°C +

0.8°C*number of days (20°C the 1st day, 20.8°C the 2nd day, 21.6°C the 3rd day,
etc, etc...).

-

Ceiling: 2 hours of operation during the first 24 hours, and 2 extra hours
are added for the 10 subsequent days. During this period, air temperature is
limited to 20°C.

5.3 Open window function
The user activates / de-activates the function in the Open Window menu.

Conditions of open window detection:

The thermostat detects an "Open window" if the displayed temperature
(internal or ambient sensor) decreases by 3°C or more during a 5 minutes
period (or less).

In this case, the thermostats stops heating for 15 minutes.

The function remains active during those 15 minutes so the stop can last more
time if the temperature continues decreasing.

Return to normal mode:

The thermostat returns automatically to normal mode after the stop period.

The function can be overridden: pressing the screen during the stop heating
phase, will display a specific menu asking the user to stop or continue the stop
phase.

Special cases:



This function doesn't work if Thermostat is in Floor regulation



This function doesn't work if Thermostat is in OFF / Antifreeze Mode



If temperature is less than 10°C, thermostat will regulates at 10°C during

the stop phase

5.4 Information

On the right bottom corner, a button is displayed. This button is a shortcut
depending of the current state of the thermostat:

o

If a warning logo is displayed: press on the icon to access the information
screen. The information screen will provide more information on the current
fault.

o

If a “i” is displayed: you can access the current set point and change it

o

If a “step” icon is displayed, it means that you are in Programmable mode
and you can view the current program directly.

o

If a “padlock” logo, it means that the screen is locked, pressing the icon
will take you

to the unlock screen.

6. Parameter’s precision

N°

Default value & other possibilities

In
Date and Time

Menu

DST: Daylight Summer time change Summer<->Winter
YES automatic change according to date.
NO no daylight summer time automatic change.

In
Installation

Menu

-> Sensor

-> Sensor
Calibration

Probe Calibration

The calibration must be done after 1 day working with the same setting
temperature in accordance with the following description: Put a
thermometer in the room at 1.5M distance from the floor (like the
thermostat) and check the real temperature in the room after 1 hour.

Select the probe you want to calibrate then use the (-) or (+) keys to
enter the real value. Calibration is erased by the “RESET” function

* Pay attention:
Only the heating element driven by the thermostat must be used during
the complete step of the calibration.

In
Installation

Menu

-> Sensor

-> Ext sensor
type

Probes Type

For ext1 and ext2 probes, you can have different types of NTC.
10, 12 and 15K NTC are recognized.
10K : B25/85 = 3950K
12K : B25/85 = 3740K
15K : B25/85 = 3965K

In
Installation

Menu

-> Regulation

-> Sensor
Regulation

Air : only internal probe is used, no floor limitation
Air + Floor : internal probe is used for the regulation and Ext1 for floor

limits

Floor : only Ext1 probe is used for regulation, no floor limitation
Air (Ext) + Floor : Internal probe is not used, regulation is done by

connecting T16R remote sensor to Ext1 and floor limitation probe by
Ext2
Air + Floor (x2) : internal probe is used for the regulation and Ext1,
Ext2 for floor limits

In
Installation
Menu

-> Regulation

-> Regulation
Type

ON/OFF : regulation made by hysteresis +:-0.3°C
PID : use a PID regulation (See next page for further information)

In
Installation

Menu

-> Regulation

-> Floor Limit

in Air + Floor / Air (Ext) + Floor / Air + 2Floors regulations :
High : if floor temperature is above the High limit, thermostat stops
heating
Low : if floor temperature is below the Low limit, thermostat starts
heating

In
Installation
Menu

-> Regulation

-> First
Heating

In new installations the heating must be progressive, there are two first
heating programs available, depending on the finished floor covering.

In
Installation
Menu

-> Regulation

-> SmartStart

Function that can be activated / deactivated :
In program mode, the positive steps will be anticipated according to the
current temperature and the next set point.

7. Technical characteristics

Measured temperature precision

0.1°C

Environmental:
Operating temperature:
Shipping and storage temperature:

0°C to 40°C

-10°C to +50°C

Setting temperature range
Comfort, Reduced
Holiday (Antifreeze)

5°C to 35°C by 0,5°C step
7°C (adjustable)

Regulation characteristics

PID(10min cycle) or Hysteresis of 0.5°C

Electrical Protection

Class II - IP21

Maximum load

Without Relay - 16Amps 250Vac

Included External sensors

10K ohms at 25°C

Optional External sensors

10K,12K or 15K ohms at 25°C

Software version

Displayed in the user menu.

Your thermostat has been designed in
conformity with the following standards
or other normative documents:

EN 60730-1 : 2003
EN 61000-6-1 : 2002
EN 61000-6-3 : 2004
EN 61000-4-2 : 2001

EN 60730-2-9
Low voltage 2006/95/CE
EMC 2004/108/CE

Measured temperature precision

0.1°C

Battery Life (upon power failure)

24 hours minimum (battery fully charged)

8. Troubleshooting and solutions

My thermostat doesn’t start

Supply Problem

- Check if the product is correctly wired

- Press the Reset button through the small hole under the
product on the bottom right corner

- in the case of uneven walls or inadequately embedded
wiring boxes, excessive fastening of the installation screws
may result in loss of contact with the power supply of the
display.

Warning logo is displayed

General Problems

Press the warning logo on the bottom right corner.
More information on the fault is displayed i.e. the sensor or
the fault type (error, floor limit, …)
If error refers to the sensor :

- Check sensor connections,

- Check Regulation type (Air / Floor / Air+Floor …)

My thermostat seems to work correctly but the heating doesn’t work correctly

Output

- Check the connections.

- Contact your installer.

My thermostat seems to work correctly but the temperature in the room was never in

accordance with the program.

Program

- Check the Clock.

- The temperature steps are too high?

- The step in the program is too short?

- Contact your installer, to check & adjust the regulation
parameters with your heating system.

General

- Check calibration sensor

- Check external sensor type (10k, 12k, 15k)

T16R – Remote wall sensor.

Available as an optional extra.

Using Thermostat with remote wall sensor – T16R

1) Connect the remote sensor to “Sensor1” terminals on the back of the thermostat.

2) Connect floor probe to “Sensor2” terminals on the back of the thermostat.

3) When programming the thermostat make sure you set the “sensor regulation” – This is done by going to the installation menu -
> Regulation -> Sensor Regulation (see above).

NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior
notice.

This product conforms to EU Directive 2002/96/EC.
This appliance bears the symbol of the crossed waste bin. This indicates that, at the end of its useful life, it must not be disposed of as domestic
waste, but must be taken to a collection centre for waste electrical and electronic equipment. It is the user's responsibility to dispose of this appliance
through the appropriate channels. Failure to do so may incur penalties established by laws
governing waste disposal.

BN Thermic Ltd,

34 Stephenson Way, Three Bridges,

Crawley, RH10 1TN

Tel: [phone]

Email: [e-mail]

Web: www.bnthermic.co.uk

IMPORTANT: No liability is accepted for incorrect use of this product.
WARRANTY: Your BN Thermic product is guaranteed for one year from date of purchase. We will repair

or replace at our discretion any part found to be defective. We cannot assume any consequential liability.
This guarantee in no way prejudices your rights under common law and is offered as an addition to
consumer liability rights.

T16CINS-v03-1

Turning PID mode ON or OFF - PID mode (set ON by default) uses hysteresis to turn the heating system on or

off. Easiest explained by the thermostat working out how quickly the temperature is raising and turning the system off
before the temperature set point is reached making sure the system does not over run the set point. It then works out how
quickly the room is cooling down and turns the heating on before the set point is reached so trying to stop the room
cooling down too much. If you would rather the heating being turned on and off at the exact set point follow this guide
which explains how to turn PID off.

1) Viewing the main screen 2) Press settings icon 3) From new screen press Settings

4) From new screen press “Down Arrow” 5) From new screen press “Installation” 6) From new screen press “Regulation”

7) From new screen press “Regulation Type” 8) From new screen press “ON/OFF” 9) If you wish to use PID mode select “PID” red dot should
You should now see a red dot against “ON/OFF” be lit as in above picture otherwise return to main screen by

Please note :– If you don’t touch any screen for 1 Minute the display will automatically return to the main screen.

pressing the return 5 times.