Ideal Boilers Istor HE260 Manuel utilisateur

2istor-User's

Introduction

The istor HE260 & HE325 are fully automatically controlled,

condensing, system store, fan flued boilers.

Due to the high efficiency of the boiler, condensate is produced

from the flue gases and this is drained to a suitable disposal

point through the plastic waste pipe at the lower rear of the

boiler. A condensate 'plume' will also be visible at the flue

terminal.

The istor is a system store boiler providing both central heating

and domestic hot water.

Safety

CurrentGasSafety(Installation&Use)

Regulationsorrulesinforce.

In your own interest, and that of safety, it is the law that this boiler

must be installed by a CORGI registered installer, in accordance

with the above regulations.

It is essential that the instructions in this booklet are

strictly followed, for safe and economical operation of

theboiler.

Electricity Supply (boiler)

This appliance must be earthed.

Supply: 230 V ~ 50 Hz. The fusing should be 3A.

Connection must be made in a way that allows complete

isolation of the electrical supply such as a double-pole switch,

having a 3mm (1/8") contact separation in both poles, serving

only the boiler and system controls. Alternatively, a 3-pin

UNSWITCHED socket may be used. The means of isolation

must be accessible to the user after installation.

Electricity Supply (immersion heater)

Supply: 230 V ~ 50 Hz. The fusing should be 13A.

The immersion heater is supplied fitted to the cylinder and is

intended for use as a back up heat source for DHW should the

boiler fail for some reason. Optimum DHW performance will

not be achieved using the immersion heater only.

Important Notes

!This appliance must not be operated without the casing

correctly fitted and forming an adequate seal.

!If the boiler is installed in a compartment then the

compartment MUST NOT be used for storage purposes.

!If it is known or suspected that a fault exists on the boiler

then it MUST NOT BE USED until the fault has been

corrected by a CORGI registered installer.

!Flammable materials must not be placed in close proximity

to the appliance. Materials giving off flammable vapours

must not be stored in the same room as the appliance.

!Under NO circumstances should any of the sealed

components on this appliance be used incorrectly or

tampered with.

In cases of repeated or continuous shutdown a CORGI

registered installer should be called to investigate and rectify the

condition causing this and carry out an operational test. Only the

manufacturers original parts should be used for replacement.

Minimum Clearances

Clearances of 165mm (6 1/2") above, 5mm (1/4") at the sides

and 450mm (17 3/4") at the front of the boiler casing must be

allowed for servicing.

G.C. Appliance No. see page 3 in installation section

Destination Countries: GB, IE

All CORGI Registered Installers carry a CORGI ID card, and have a registration number. Both should be recorded in your

Benchmark Log Book. You can check your installer by calling CORGI direct on 0156 372 300.

THE LOG BOOK SHOULD BE COMPLETED AFTER

EACHSERVICE AND KEPT WITHTHESE

INSTRUCTIONS.

istor HE260 & HE325 (Natural Gas Only)

Wire the heater through a double-pole switch or controller,

having contact separation of at least 3mm, using a cable size

of at least 1.5sq. mm flexible cable, 85 oC rubber insulated

HOFR Sheathed, complying with BS6141 Table 8. It MUST be

fully earthed. Ensure all terminal connections are securely

made. Do not however use excessive force when tightening

terminals.

3istor-User's

Legend

A. Boiler ON/OFF switch.

C. Display.

D. Reset button.

E. LED.

F. CH thermostat knob.

CAUTION.

To avoid the possibility of injury during the installation, servicing or cleaning of

this appliance care should be taken when handling edges of sheet steel components.

BOILER CONTROLS

The minimum front clearance allowed when built into a

cupboard is 5mm.

To light the boiler. Refer to Frame 1

Refer to the programmer section of these instructions to set the

required programs.

1. CHECK THAT THE ELECTRICITY SUPPLY TO THE BOILER

ISOFF.

2. Set the mains ON/OFF switch (A) to OFF and CH thermostat

knob (F) to maximum.

3. Ensure that all DHW taps are turned off.

4. Switch ON the electricity supply to the boiler and check that

all external controls, e.g. programmer, room thermostat etc.,

are ON.

5. Set the mains ON/OFF switch to ON.

The boiler will commence the ignition sequence, first supplying

heat to preheat the domestic hot water and then to the central

heating, if required.

Note. In normal operation the control unit display (G) will show

codes:

Standby - no demand for heat.

CH being supplied.

DHW being supplied to reheat the cylinder.

During ignition, the LED (E) will flash.

During normal running the LED (E) will remain illuminated.

Note. If the boiler fails to light after 3 attempts the fault code

will be displayed.

Press the reset button (D) for 2 seconds then release. The

boiler will repeat the ignition sequence. If the boiler still fails

to light consult a CORGI registered installer.

Operation

Winter conditions - i.e. CH and DHW required.

The boiler will fire and supply heat to the radiators but will give

priority to DHW on demand.

The DHW will operate as described under 'Summer

conditions' during periods when there is no call for CH.

Summer conditions - i.e. DHW only required.

Set the CH external controls to OFF, or turn the CH thermostat

knob (F) to minimum.

The boiler will fire periodically to maintain the DHW cylinder in

a preheated condition and whenever there is a demand for

DHW.

Note. The pump will operate briefly as a self-check once

every 24 hours, regardless of system demand.

4istor-User's

Central Heating

KnobSetting CHFlow

Temp

oC(oF)

Max 82 (180)

Min 30 (86)

Domestic Hot Water

Knob DHW

setting TempOC

Min 30

134

239

343

448

552

656

761

Max 65

Control of water temperature

Domestic Hot Water

The DHW delivery temperature is controlled by thermostatic

mixer within the tank module (see illustration below).

Pull off the lower door from its locating pegs and adjust the

mixer valve to the required DHW delivery temperature.

IMPORTANT

60oC is the recommended maximum temperature.

Central Heating

The boiler controls the central heating radiator temperature to a

maximum of 82oC, adjustable via the CH thermostat knob (F).

Approx. flow temperatures for the boiler thermostat settings are:

istor-User's

To shut down the boiler

1. For short periods

Set the mains ON/OFF switch (A) to OFF

2. For longer periods

Set the mains ON/OFF switch (A) to OFF, and switch the

electricity supply to OFF. For longer periods the entire

system should be drained.

To relight the boiler

Repeat the procedure detailed in 'To light the boiler'.

Frost protection

If no frost protection is provided and frost is likely during a short

absence from home, leave the heating controls (if fitted) at a

reduced temperature setting. For longer periods, the entire

system should be drained.

If the system includes a frost thermostat then, during cold

weather, the boiler should be turned OFF at the time switch (if

fitted) ONLY. The mains supply should be left switched ON, with

the boiler thermostat left in the normal running position.

Boiler overheat thermostat

This thermostat will shut down the boiler in the event of

overheating. Should this occur a fault code will be

displayed. Press the reset button (D) and the boiler will relight.

If the fault recurs, turn off the boiler and consult a CORGI

registered installer.

Flame failure

Should this occur a fault code will be displayed.

Press the rest button (D) and the boiler will relight.

If the fault recurs, turns off the boiler and consult a CORGI

registered installer.

Loss of system water pressure

The gauge (see illustration below) indicates the central heating

system pressure. If the pressure is seen to fall below the

original installation pressure of 1-2 bar over a period of time

then a water leak is indicated. In this event a CORGI registered

installer should be consulted.

DO NOT FIRE THE BOILER IF THE PRESSURE HAS

REDUCED TO ZERO FROM THE ORIGINAL SETTING.

Condensate Drain

The condensate drain must not be modified or blocked.

Blockage of the condensate drain, caused by debris or freezing,

can cause automatic shutdown of the boiler.

If freezing is suspected and the pipe run is accessible an

attempt may be made to free the obstruction by pouring hot

water over the exposed pipe and clearing any blockage from the

end of the pipe. If this fails to remedy the problem the

assistance of a CORGI registered installer should be sought.

Escape of gas

Should a gas leak or fault be suspected contact your local gas

supplier without delay.

Do NOT search for gas leaks with a naked flame.

Cleaning

For normal cleaning simply dust with a dry cloth.

To remove stubborn marks and stains, wipe with a damp cloth

and finish off with a dry cloth.

DO NOT use abrasive cleaning materials.

Maintenance

The appliance should be serviced at least once a year by a

CORGI registered installer.

6istor-User's

Channel 1 (Radiator symbol) relate to the CH programme

Channel 2 (Tap symbol) relates to the DHW programme.

1. To set the time and day.

Move the right sliding switch to 'RUN'.

Press the 'HR' and 'MIN' simultaneously for 2-3

seconds.

Set the day button using the 'DAY' button.

Set the time pressing the 'HR' and 'MIN' buttons.

Approximately 15 seconds after setting the time and

day the display will automatically pick up the time of

day (the colon between the hours and minutes will

flash).

2. To set the CH programme.

Set the right sliding switch to the radiator symbol.

Note. There is an in built default programme of:

Mon-Fri ON 6:30 OFF 8:30

ON 16:30 OFF 22:30

Sat-Sun ON 7:00 OFF 9:00

ON 16:00 OFF 23:00

(An ON period is designated by a 'light bulb' symbol being

present in the top right hand corner of the display).

Pressing the 'DAY' button allows the selection of:

Mon - Sun Separate days

Mon-Fri Inclusive

Sat - Sun Inclusive

Mon - Sat Inclusive

Mon - Sun Inclusive

Press the 'P' button to scroll through the ON and OFF times.

Press the 'HR' and 'MIN' buttons to change any of the pre-set

times.

To save the desired times move the right sliding switch to RUN.

3. To set the DHW programme.

Set the right sliding switch to the tap symbol.

Note. The default programme is as the CH programme

above, changing the times again is as above.

To save the desired times move the right switch to RUN.

4. To delete a switching time on CH or DHW

Set the right sliding switch to the radiator or tap symbol as

required. Use button ‘P’ to flag up the desired switching time,

Then press button ' ' and P simultaneously for 3-4

seconds. The display will show a flashing 0.00 and the

switching point is deleted.

5. To operate the programmer.

Set the right sliding switch to RUN.

Set the left sliding switch to AUTO.

An ON period will be designated by a light bulb symbol in the

top right hand corner of the display with either a '1' to

designate CH programme ON or a '2' to designate DHW

programme ON.

6. Manual Override CH.

To manually override the CH programme move the left

sliding switch to 'I'.

Press the ' ' button ONCE.

The No. '1' will flash in the display for approximately 3

seconds, after which a light bulb symbol will appear in the

display and the '1' will stop flashing.

To cancel the override move the left sliding switch to AUTO

after approximately 3 seconds the '1' and the light bulb

symbol will disappear.

7. Manual Override the DHW.

To manually override the DHW programme move the left

sliding switch to 'I'.

Press the button TWICE.

The No. '2' will flash in the display for approximately 3

seconds, after which a light bulb symbol will appear in the

display and the '2' will stop flashing.

PROGRAMMER SET UP

istor-User's

To cancel the override move the left sliding switch to AUTO

after approximately 3 seconds the '2' and the light bulb

symbol will disappear.

8. Skip Function

Pressing the ' ' button ONCE for CH or TWICE for

DHW with the left sliding switch in the AUTO position will

change the programmed switching until the next programme

time is reached.

i.e. this function will turn an ON period to OFF and vice versa.

A '1' or '2' will appear in the display along with the light bulb

symbol and ' '.

To remove this function press the ' ' button ONCE to

select '1' (CH) and hold in for approximately 3 seconds.

The '1' or '2' along with the light bulb and ' ' symbol will

disappear.

Ideal Consumer Helpline

Tel:01482498660

www.idealboilers.com

The code of practice for the installation,

commissioning & servicing of central heating systems

Caradon Ideal Limited 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 Boilers

P.O. Box 103, National Ave, Kingston upon Hull,

HU5 4JN. Telephone: 01482 492 251 Fax: 01482 448 858.

Registration No. London 322 137.

Caradon Ideal Limited. is a member of the Benchmark

initiative and fully supports the aims of the programme.

Benchmark has been introduced to improve the standards of

installation and commissioning of central heating systems in

the UK and to encourage the regular servicing of all central

heating systems to ensure safety and efficiency.

CERTIFIED PRODUCT

Manufactured under a BS EN ISO 9001:1994

Quality System accepted by BSI

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