Danfoss TP4000 Range User manual

TP4000 Range
Electronic Programmable Room Thermostat
MAKING MODERN LIVING POSSIBLE
User Guide
Danfoss Heating

TP4000
2
TP4000 Range
Electronic programmable room thermostat
®
Certification Mark
For a large print version of these instructions
please call Marketing on 0845 121 7400.
Danfoss can accept no responsibility for possible errors in catalogues, brochures, and other
printed material. All trademarks in this material are property of the respective companies.
Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.

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Index
1.0 Basics
1.1 Your programmable room thermostat.......................................6
1.2 Preset Programmes ...........................................................................6
1.3 Before you start...................................................................................6
1.4 Setting the Clock................................................................................7
1.5 Running your programme..............................................................7
2.0 Advanced
2.1 Before you change the preset programmes ............................7
2.2 Changing the preset programmes ..............................................8
2.3 Running your programme..............................................................8
2.4 User Overrides.....................................................................................9
2.5 Altering display to show time or room temperature............8
2.6 To temporarily alter current programmed temperature ........9
2.7 Frost Protection and Thermostat Mode.....................................9
2.8 Toggle between 12 hour and 24 hour clock ............................9
2.9 Toggle between °C and °F scaling............................................. 10
3.0 Battery Replacement............................................................................ 10
4.0 Resetting the unit................................................................................... 10
User Instructions
TP4000 Range
Electronic Programmable Room Thermostat

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What is a programmable room thermostat?
... an explanation for householders
A programmable room thermostat is both a programmer and a room thermostat. A
programmer allows you to set ‘On’ and ‘Off’ time periods to suit your own lifestyle. A
room thermostat works by sensing the air temperature, switching on the heating when
the air temperature falls below the thermostat setting, and switching it off once this set
temperature has been reached.
So, a programmable room thermostat lets you choose what times you want the
heating to be on, and what temperature it should reach while it is on. It will allow you
to select different temperatures in your home at different times of the day (and days of
the week) to meet your particular needs.
Turning a programmable room thermostat to a higher setting will not make the room
heat up any faster. How quickly the room heats up depends on the design of the
heating system, for example, the size of boiler and radiators.
Neither does the setting affect how quickly the room cools down. Turning a
programmable room thermostat to a lower setting will result in the room being
controlled at a lower temperature, and saves energy.
The way to set and use your programmable room thermostat is to find the lowest
temperature settings that you are comfortable with at the different times you have
chosen, and then leave it alone to do its job. The best way to do this is to set low
temperatures first, say 18°C, and then turn them up by one degree each day until
you are comfortable with the temperatures. You won’t have to adjust the thermostat
further. Any adjustments above these settings will waste energy and cost you more
money.
If your heating system is a boiler with radiators, there will usually be only one
programmable room thermostat to control the whole house. But you can have
different temperatures in individual rooms by installing thermostatic radiator valves
(TRVs) on individual radiators. If you don’t have TRVs, you should choose a temperature
that is reasonable for the whole ho use. If you do have TRVs, you can choose a slightly
higher setting to make sure that even the coldest room is comfortable, then prevent
any overheating in other rooms by adjusting the TRVs.
The time on the programmer must be correct. Some types have to be adjusted in spring
and autumn at the changes between Greenwich Mean Time and British Summer Time.
You may be able to temporarily adjust the heating programme, for example,‘Override’,
‘Advance’or‘Boost’. These are explained in the manufacturer’s instructions.
Programmable room thermostats need a free flow of air to sense the temperature, so
they must not be covered by curtains or blocked by furniture. Nearby electric fires,
televisions, wall or table lamps may prevent the thermostat from working properly.

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1.0 Basics
1.1 Your programmable room thermostat
TheTP4000 allows you to programme up to 6 times and temperatures
at which your heating will come on and go off each day.
It features several user overrides including frost protection,
thermostat mode and time or temperature display.
1.2 Preset Programmes
Your TP4000 comes ready programmed with a set of operating times
and temperatures which often suit most people.
If you want to change any of these settings you can do so by following
the instructions on page 8.
First, follow the steps on page 7 to set the correct time and date.
Event Time Temp °C
1 06:30 20
2 08:30 15
3 11:30 20
4 13:30 15
5 16:30 21
6 22:30 15
RESET
Open the flap on the front of the programmer
and press the RESET button with a non-
metallic object until the display goes blank.
This will ensure that the factory programmes
are set and that the micro-computer in the
product is operating correctly.
1.3 Before you start

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1.4 Setting the Clock
Note: clock is displayed in 24 hour mode.
Press PROG and Λuntil the time on the display
flashes.
Use + or - to adjust the TIME (press and hold to
change in 10 min increments).
Press PROG to enter the TIME.
1.5 Running your programme
If you are happy to use the preset programmes
on page 6, you don’t need to do anything else.
Your unit is now in RUN mode.
2.0 Advanced
2.1 Before you change the preset programmes
Please Note
The unit must be programmed in sequence. Event times cannot
be programmed out of sequence.
If you want to leave a preset time as it is, simply press PROG to
move on to the next setting.
During programming, if no buttons are pressed for 2 minutes the unit
will automatically return to RUN mode, and the programme set up to
that minute will be active.

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a) Press PROG until 1st pre-set time and
temperature appears in display.
b) Use + or – buttons to adjust the TIME
(press and hold to change in 10 min
increments).
c) Use Λor Vbuttons to adjust the
TEMPERATURE.
d) Press PROG to move to next preset time &
temperature (Event 2).
e) Repeat steps b, c & d for programming
Events 3, 4, 5 & 6.
Note: Press and hold PROG at any time will
make the unit return to RUN mode.
2.3 Running your programme
Press PROG – the colon in the LCD display
will start to flash. The heating will now be
controlled with the programmed times and
temperatures.
2.4 User Overrides
Sometimes you may need to change the way you use your heating
temporarily, e.g. due to unusually cold weather. The TP4000 has several
user overrides, which can be selected without affecting the thermostat
programming.
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2.2 Changing the preset programmes

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2.5 Altering display to show either time or
actual room temperature
· Press + and – together to change between
settings.
· Press Λor Vuntil required temperature is
displayed.
(This override will automatically cancel at
beginning of next programmed event).
2.6 To temporarily alter the current programmed
temperature
A constant temperature between 5°C-30°C can be selected if desired, for
example, for frost protection.
· Press Λand Vtogether.
· Use Λor Vbuttons to set the desired low
temperature.
- At 5°C a snowflake symbol appears
indicating frost protection mode.
- At all other temperatures the snowflake
symbol is turned off.
·To return to automatic programming press
Λand Vtogether again.
2.7 Frost Protection and Thermostat Mode
To change time display between 12 hour and 24 hour clock. Press Λ
and +together to toggle between 12 and 24 hour clock.
2.8 Toggle between 12 hour and 24 hour clock

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When batteries are low a battery symbol will
flash in the LCD display. You have 15 days to
replace the battery before the unit switches
off.
When changing batteries, remove old batteries and insert new ones
within one minute and programming will not be lost.
!
4.0 Resetting the unit
Partial reset: Press RESET (used to restart micro-computer) if display
freezes for any reason. This does not reset any programme, clock or
date. It is recommended that this is done at time of installation.
User full reset: Press RESET whilst holding down PROG button. This
resets event times and and temperatures back to the factory presets.
The unit must be re-programmed. The correct time will be retained.
IMPORTANT: always use high quality alkaline batteries
NB. If the display ever goes blank during normal operation, the
batteries will need to be renewed, the unit reset and the time
reprogrammed. The event times and temperatures will be retained.
To change between °C and °F scaling. Press Vand -together to
toggle between °C and °F temperature scaling.
2.9 Toggle between °C and °F scaling