Ideal Boilers 4.5 Manuale utente
user guide
Ideal airtherm
air source heat pump
Your Ideal user guide
4.5, 9, 12
When replacing any part on this heat pump, use only spare parts that you can be
assured conform to the safety and performance specification that we require. Do not
use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers.
For the very latest copy of literature for specification purposes please visit our website
www.idealboilers.com where you will be able to download the relevant information in pdf format.
For installation guide see reverse of book
2Ideal airtherm - Air Source Heat Pump - User’s
INTRODUCTION
Your air source heat pump is designed to heat your home and
to provide domestic hot water (DHW). Your installer will have
ensured that your heat pump has sufficient heating output to
provide these services without any supplementary heating
being required. The heat pump uses refrigeration technology to
extract heat from the outside air at temperatures down to -15oC,
producing as much as four times as much heat energy as the
electrical input required to drive it. This results in an efficient
low cost, low carbon, heating system.
HEATING SYSTEM CONTROLS
The heat pump is designed to operate with a standard heating
programmable controller linked to a room thermostat, providing
space heating or DHW according to demand. The unit has two
modes of operation, one for space heating through under floor
heating or radiators adjustable between 35oC and 55oC and a
second for DHW preset at 65oC. We recommend that you
review the electricity tariffs from all suppliers in your area and
select that which will give you the optimum economy in relation
to your lifestyle and heating demand. Timings appropriate to
your heating and hot water demand and to the selected tariff
should be programmed into the controller.
We recommend that you set your programmer to heat the hot
water for 1 ½ to 2 hours before you require it first thing in the
morning or later in the day. A typical winter heating programme
is illustrated below.
Ideal airtherm 4.5, 9 & 12
Air Source Heat Pump
On/Off Heating Hot water
On 5.00 am
Off 6.30 am
On 6.30 am
Off 9.00 am
On 2.00 pm
Off 4.00 pm
On 4.00 pm
Off 10.30 pm
OPERATING THE HEAT PUMP
When setting the programmer, allow extra time for the heat
pump to raise the water temperature when first switching on,
as it will take longer than a traditional boiler to reach the full
operating temperature.
Because a heat pump operates in heating mode at a
temperature up to 55oC, radiators will feel cooler than those
linked to a gas or oil boiler traditionally supplying water at 80oC.
Your installer will have ensured that your radiators are correctly
sized for operation with a heat pump but you may also notice
that they remain warm for longer periods rather than cycling on
and off as is the case with traditional boilers.
The heat pump supplies domestic hot water at 65oC. This is
stored in the special hot water cylinder provided with your heat
pump to ensure that you always have hot water on tap. The
temperature of the stored hot water is controlled by the cylinder
thermostat and you should set this at a level which gives you
hot water at a temperature which suits you.
3Ideal airtherm - Air Source Heat Pump - User’s
WINTERISING/START UP
If the heat pump is being left for a short period of time AND has
adequate frost protection, i.e. frost protection stat and/or
antifreeze, the heat pump can be left in the same way as you
would leave a conventional central heating boiler.
If the heat pump is to be shut down over the winter period
follow the Winterising Procedure below.
WINTERISING PROCEDURE
WARNING. Isolate machine before entering! As the heat pump
embodies electrical and rotational equipment, it is
recommended for your own safety that a competent person
carries out the following procedure.
(Drain Down Procedure)
ALL MODELS
Object
To provide frost protection
To eliminate corrosion problems
To inhibit electrical components
1. Switch off electric supply to heat pump
2. Remove external fuses and keep in safe place away from
heat pump to prevent accidental operation of heat pump
3. Ensure water circulation pump is switched off.
4. Drain water from heat pump by
a. drain valve if fitted
b. disconnecting pipework to and from heat pump.
Ensure Heat Pump is completely drained.
5. Flush through water circuit in heat pump by using CLEAN
TAP WATER (NOT POOL WATER) via hose into inlet
connection - run for 10 minutes minimum; use spray nozzle
if available.
6. Drain completely - fit plastic bags secured by elastic bands
over water connections.
7. Unhinge electrical enclosure and liberally spray interior of
unit, with moisture-repellent aerosol WD-40 or similar;
reseal enclosure.
8. If heat pump located outside, protect from weather by
covering with VENTILATED cover. Do not use plastic sheet
as condensation can occur within unit.
N.B. If this procedure is not adopted and frost or corrosion
damage results then the warranty will become invalid.
START UP PROCEDURE AFTER WINTERISATION
1. Remove covers (if fitted).
2. Remove front panel - clean air filter and using sort brush
clean finned surfaces of heat pump. Replace panel.
3. Remove plastic covers on water connections and reconnect
water piping or close drain valve.
4. Start up water circulating pump and leave running for at
least 1/4 hour to establish flow and enable any air in piping
to escape.
LOSS OF SYSTEM WATER PRESSURE
The system pressure gauge indicates the central heating
system pressure and that if the normal COLD pressure of the
system is seen to decrease over a period of time then a water
leak is indicated. Re-pressurise the system, if unable to re-
pressurise or if the pressure continues to drop a registered
local heating installer should be consulted.
AUTOMATIC DEFROST
Automatic defrosting is a normal part of heat pump operation in
colder weather and normally takes place for about 4 minutes
per hour. When in defrost the mode fan will stop and water
vapour may be seen rising from the heat exchanger. This is
normal and is not a cause for concern.
CONDENSATE DRAIN
Ensure condensate drain is kept free from any blockage/
debris.
SAFETY PRECAUTIONS
1. Minimum clearances - distances to be maintained.
2. Do not stand on the heat pump for any reason.
3. Do not allow children to poke sticks or other objects through
the front grille into the fan as this could cause them harm
and will damage the fan.
4. Outer panels should only be removed by a qualified service
engineer.
CLEANING
The painted surfaces of the Heat pump can be cleaned with
warm soapy water using a soft non abrasive cloth.
Do not use alcohol based cleaners. Diluted washing up liquid
is probably the strongest cleaner that should be used.
The fins of the evaporator should not be allowed to become
clogged as this will affect the performance of the Heat pump.
Having removed the panel covering the evaporator, the fins can
be cleaned with a brush.
SERVICING
No regular servicing of the airtherm 4.5 or 9 heat pumps is
required. However, you are advised to check occasionally that
there is no debris around the heat pump which may get drawn
into or obstruct the heat exchanger. The area around the heat
pump should always be kept clear to avoid obstructing the air
passage through the unit.
The airtherm 12 requires an annual gas leak test to comply
with EU F-Gas regulations. It is the owner’s responsibility to
ensure that this test is carried out. Any qualified local
refrigeration engineer should be able to do it for you. However,
if you have encounter any problem, please call the Ideal Service
Department who will be able to help.
2Ideal airtherm - Air Source Heat Pump - User’s
LEGEND
ASpace Heating Temperature Controller
BMains Lamp (red)
CDefrost Lamp (Green)
DProgrammer Live Lamp (red)
EHigh Pressure Switch Manual Reset
FFault Lamp (amber)
(contact service engineer if high
pressure reset does not clear fault)
HEATING ºC
U
P
HEAT
PUMP
DEFROST
IF LIGHT SHOWS,
PRESS RED BUTTON
POWER PROGRAMMER
LIVE
A
BDC F
E
at9633
TROUBLE SHOOTING
The control panel for the air source heat pump is located under
a secure cover on the right hand side of the machine. Access
should only be required in the event of a problem as the
installer will set the water flow temperature appropriate to the
heating - see diagrams.
• The red mains lamp (B) confirms that mains power is
connected
• The red programmer live lamp (D) confirms that the unit is
connected to the heating system controller
• The space heating temperature controller (A) is used to
adjust the return water temperature from the space heating
system. For maximum economy, this should be set to the
lowest acceptable level. The setting is adjusted by first
pressing and then releasing button P followed by pressing
the up or down arrow buttons to display the required
temperature. After 5 seconds the display will revert to the
actual water temperature
• The amber fault lamp (F) indicates a possible problem in the
system. This may be cleared by the manual reset of the high
pressure switch. However, if this does not clear the fault, you
should contact your service engineer.
• The green defrost lamp (C) is illuminated when the heat
pump evaporator is defrosting.
2
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Ideal Boilers, P.O. Box 103, National Ave, Kingston Upon Hull, HU5 4JN. Tel.
01482 492251 Fax. 01482 448858. Registration No. London 322 137.
Ideal Stelrad Group pursues a policy of continuing improvement in the design and performance of its
products. The right is therefore reserved to vary specification without notice.
Ideal Consumer Helpline
Tel: 01621 878549
www.idealboilers.com
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