users guide
isar
Your Ideal users guide
ENGINEERED FOR PEACE OF MIND
When replacing any part on this appliance 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.
m30100
2
isar -
User's
Introduction
The isar is a wall mounted, room sealed, condensing
combination boiler, featuring full sequence automatic spark
ignition and fan assisted combustion.
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 isar is a combination boiler providing both central heating
and instantaneous domestic hot water.
Safety
Current Gas Safety (Installation & Use)
Regulations or rules in force.
In your own interest, and that of safety, it is the law that this boiler
must be installed by a CORGI registered installer or in IE a
competent person, in accordance with the above regulations.
It is essential that the instructions in this booklet are
strictly followed, for safe and economical operation of
the boiler.
Electricity Supply
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.
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 or in IE a
competent person.
! 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 or in IE a competent person 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, 100mm (4") below, 5mm
(1/4") at the sides and 450mm (17 3/4") at the front of the boiler
casing must be allowed for servicing.
The minimum front and bottom clearance allowed when built into
a cupboard is 5mm.
To light the boiler. Refer to Frame 1
If a programmer is fitted refer to separate instructions for the
programmer before continuing.
1. CHECK THAT THE ELECTRICITY SUPPLY TO THE BOILER
IS OFF.
2. Set the mains ON/OFF switch (A) to OFF and the DHW
thermostat knob (J) and CH thermostat knob (F) to
maximum.
3. Ensure that all DHW taps are turned off.
G.C. Appliance No. 47-348-15
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
EACH SERVICE AND KEPT WITH THESE
INSTRUCTIONS.
isar m30100 (Natural Gas Only)
3
isar -
User's
Legend
A. Boiler ON/OFF switch
B. Mains on neon
C. Display
D. Reset button
E. LED
F. CH thermostat knob
G. Condensate drain
H. Pressure gauge
J. DHW thermostat knob
A
B
J
F
D
E
C
HG
Ecl 2017
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.
1 BOILER CONTROLS
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 mains on neon (B) will illuminate and 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 (C) will show
codes:
Standby - no demand for heat.
CH being supplied.
DHW being supplied.
DHW preheat.
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 or in IE a competent
person.
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 preheat 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 for a few seconds to maintain the
DHW calorifier in a preheated condition. The average time
period between firing is 90 minutes. This may vary considerably
due to the surrounding ambient temperature of the boiler. The
boiler will fire 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.
Control of water temperature
Domestic Hot Water
The DHW temperature is limited by the boiler controls to 65oC
maximum at low draw-off rate, adjustable via the DHW
thermostat knob (J).
Additionally, the temperature can be controlled by the user via
the draw-off tap : the lower the rate the higher the temperature,
and vice versa.
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:
Knob Setting Flow Temperature
°C °F
Minimum 30 86
Maximum 82 180
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 or in IE a competent person.
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 or in IE a competent person.
Loss of system water pressure
The gauge (H) 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 or in IE a
competent person should be consulted.
DO NOT FIRE THE BOILER IF THE PRESSURE HAS
REDUCED TO ZERO FROM THE ORIGINAL SETTING.
Condensate Drain
The condensate drain (G) 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 or in IE a competent person 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 or in IE a competent person.
Ideal Consumer Helpline
Tel: 01482 498 660
www.idealboilers.com
May 2003 UIN 156 411 A02
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 pursues a policy of continuing
improvement in the design and performance of its products. The
right is therefore reserved to vary specification without notice.
The code of practice for the installation,
commissioning & servicing of central heating systems
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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