Your new Daikin Altherma heating system - The energy efficient heating system - your comfort. our world.
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your comfort. our world.
Your new Daikin Altherma
heating system
The energy efficient heating system
2685_UKEPCEN11-727_artwork .indd 1 17/02/2011 09:26
Your new Daikin Altherma
air source heat pump system
In this manual you will find information and
guidelines that will allow you to run your
Daikin Altherma heat pump system in the
most energy efficient and cost effective way.
We hope you enjoy a warm and comfortable
winter season!
System overview
The heart of your new central heating system is a highly efficient
Daikin Altherma air source heat pump. The heat pump heats the water
which flows around your heating system, and separately heats the hot
water cylinder when required.
The central heating is controlled from the room thermostats which
switch on the heat pump when heating is required, sending warm
water through the underfloor pipes and radiators.
Most rooms will have their own
thermostat that controls the
room temperature.
Outdoor unit Setup controller Hydrobox Hot water cylinder
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Your heating system in detail and
getting the most from it
Outdoor unit Hydrobox
Outside is the heat pump. This The wall mounted hydrobox
extracts energy from the air, (situated inside the building),
(even when the temperature is similar to a conventional boiler in
below 0°C) and uses this energy appearance, distributes hot water
to heat the water passing through around the heating system and
the underfloor heating, radiators to the cylinder. It has a controller
and hot water cylinder. built in, which has been preset
for efficient use. Once set there
The outdoor unit pulls in air
should be no need to adjust
from the rear, extracts energy this controller.
from the air, and blows the
cooled air out the front. This is Cylinder
done automatically, and there is
no need to set or adjust it. Hot water is stored in a cylinder
typically in the airing cupboard.
Note: If the rear of the outdoor To ensure low running costs the
unit gets clogged up with leaves cylinder is normally set to heat
or debris, the efficiency of your to 50°C. Your system is set up
heating system may be reduced. to heat the water in the cylinder
It should be checked regularly at the time when it is cheapest,
and cleaned with a soft brush. using the Economy 7 tariff during
Similarly, don’t block the front of off-peak hours. The cylinder is
the unit up by leaning anything being heated when the symbol
against it. is shown on the controller screen
in the hydrobox. Once a week
the water in the cylinder is
automatically heated to 60°C to
ensure the cylinder remains free
from bacteria.
The energy efficient heating system 1
2685_UKEPCEN11-727_artwork .indd 3 17/02/2011 09:26
Outdoor Unit – ensure efficient operation.
Condense / Defrost Remember to keep the rear of
As the outdoor unit is absorbing the unit clear too.
energy from the outside air it
Room thermostats
is normal that any moisture in
Most rooms have a room
the air may condense and form
thermostat. The thermostats
water droplets. Usually this will
turn the heating on when the
drain naturally. During colder room temperature is below the
temperatures this moisture can temperature they have been
freeze causing some frost and ice set at. It is advised to set the
on the unit. This is quite normal thermostats to a comfortable
and the unit will automatically temperature of 21°C. The system
melt it as necessary, typically will then work automatically
once per hour. to maintain the required
temperature.
Outdoor Unit – Clearance
*Please note that although the reading on the thermostats
It is recommended to keep goes up to 30°C, this is simply a scale and heating
at least 100mm (4”) clear on systems are not designed to achieve this temperature.
each side and 1m (3’3”) clear *Please refrain from setting the thermostats to maximum
as this will result in some areas becoming too warm at
at the front of the unit to the expense of other areas, it will also use more energy.
Your hot water system in detail
Your system is set up to heat the water in the cylinder at the time
when it is cheapest using Economy 7 during off-peak hours.
Raising the hot water temperature
Storing water at higher it can be increased by pressing
temperatures is wasteful, because on the controller.
heat loss from the cylinder will be The controller is located on the
increased causing the heat pump front or close to the hydrobox.
running costs to increase.
For best use of energy, only
However, should you find the increase by 2°C at a time.
hot water is not hot enough;
2 Your new Daikin Altherma heating system
2685_UKEPCEN11-727_artwork .indd 4 17/02/2011 09:26Additional hot water required other than pre-set
times (Boost function)
If you run out of hot water press Note: Repeated use of the
and hold (for 5 seconds) the Boost function will affect the
button at the bottom right of the overall efficiency of the system.
controller until you see &
symbols appear on the display.
Maximising your energy savings
To increase the efficiency of the automatic symbol will show
central heating system, your heat in the controller display. If this
pump will automatically vary the symbol is not shown, press the
temperature of the water going button.
through your underfloor heating
When in the automatic (weather
and radiators. The colder the
compensation) mode, if you feel
temperature gets outside, the
the house is too warm or not
warmer the circulating water
warm enough you can adjust
becomes.
the central heating water supply
This feature (called weather temperature up or down by
compensation or economy pressing the
mode) should be selected on the buttons on the hydrobox.
hydrobox controller, and the
The hot water cylinder is set to heat up on the Economy 7
tariff during off-peak hours therefore it’s important that the
timer is activated.
Activating timer function
To activate the schedule time press and will appear on
the display.
To deactivate the schedule timer press and will disappear.
The energy efficient heating system 3
2685_UKEPCEN11-727_artwork .indd 5 17/02/2011 09:26Setting the clock
If for any reason you require to re-set the clock,
1. Push and hold the button until the clock starts to flash
2. Adjust the time via the
3. Adjust the day via the
4. To save the changes push
Changing the hot water timer settings
If you wish to set the hot water to heat at times other than
those already set, you need to adjust the hydrobox:
1. To enter the schedule timer function, press
2. Press the button until the symbol
begins to flash on the display
3. Press
4. The time of the 1st action will now appear, you can scroll
through any programmed actions via
5. To adjust the action push and hold until the display
begins to flash
6. You can now adjust the action time via
7. Toggle between on/off via
8. To confirm the changes press , it will then advance to
the next action
9. Repeat the last step until all required actions are programmed
10. Press and hold until ‘setting’ appears to save the changes
11. Press repeatedly to go back through the screen levels
until you are back to the normal screen
4 Your new Daikin Altherma heating system
2685_UKEPCEN11-727_artwork .indd 6 17/02/2011 09:26Your checklist for diagnosing
possible faults
1. Is the thermostat set too low?
Check that the temperature on the thermostats in the rooms is
set high enough to start the heating. Remember – set this to a
comfortable level and not maximum.
2. Is the mains power switched off?
Check that the power is switched ON. Check the fuse box and isolator
switches next to both the indoor and outdoor unit.
If you have checked points 1 and 2, and the system still fails to
operate normally, then;
3. Manually reset the system
Turn off the power. Wait 60 seconds then turn it back on.
If this does not work, then;
4. Check the system pressure
The small pressure gauge inside the hydrobox should read between
1 bar and 2.5 bar. If the system pressure is outside of this range then
please contact the service and maintenance company for advice.
If the system still does not operate as normal, then;
5. Check the controller
This located on or near the hydrobox. If the red LED is flashing, the
unit has a fault. Check for a fault code (typically a number and a
letter, e.g. 7H) and then contact the service / maintenance company,
telling them the fault code which is displayed.
This leaflet is intended as a guide only. Please refer to the full
Daikin UK Operation Manual for more information.
The energy efficient heating system 5
2685_UKEPCEN11-727_artwork .indd 7 17/02/2011 09:26Head Office
Daikin Airconditioning UK Limited
The Heights, Brooklands, Weybridge, Surrey KT13 0NY
Tel 0845 6419000 Fax 0845 6419009
www.daikinheating.co.uk
The present leaflet is drawn up by way of
information only and does not constitute an
offer binding upon Daikin UK. Daikin UK has
compiled the content of this leaflet to the best of
its knowledge. No express or implied warranty is
given for the completeness, accuracy, reliability
or fitness for particular purpose of its content
and the products and services presented therein.
Specifications are subject to change without prior
notice. Daikin UK explicitly rejects any liability for
any direct or indirect damage, in the broadest
sense, arising from or related to the use and/
Visit www.microgenerationcertification.org for a list of the or interpretation of this leaflet. All content is
latest MCS certified Daikin heat pumps copyrighted by Daikin UK.
Printed in the UK on FSC certified paper from sustainable sources.
Daikin UK is approved by LRQA for its Daikin units comply with the European regulations
UKEPCEN11-727 / 02.11 / DesignHQ. Copyright 2011 Daikin
Quality Management System in accordance that guarantee the safety of the product.
with the ISO9001 standard. ISO9001
pertains to quality assurance regarding
design, development, manufacturing as
well as to services related to the product.
ISO14001 assures an effective Daikin Europe N.V. participates in the Eurovent
environmental management system in Certification Programme for Air Conditioners (AC),
order to help protect human health and Liquid Chilling Packages (LCP) and Fan Coil Units (FC);
the environment from the potential impact the certified data of certified models are listed in the
of our activities, products and services and Eurovent Directory. Multi units are Eurovent certified
to assist in maintaining and improving the for combinations up to 2 indoor units. VRV products,
quality of the environment. Rooftops, FWB-J and FWD-units are not within the
scope of the Eurovent Certification Programme.
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