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3

Mexico Slimline CF440 - 

Users

Mex

2136

To Light the Boiler

Refer to Frame 2

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.

Open the control panel drop-down door and ensure that the
thermostat knob (A) is in the OFF position.

3.

Switch ON the electricity supply to the boiler and check that

all external controls, e.g. room thermostat etc., are ON.

4.

Set the boiler thermostat knob (A) to position 6.  The pilot
solenoid valve should open and the intermittent spark

commence, continuing until the pilot is established.  The

main burner will then cross-light smoothly.

Winter conditions (i.e. central heating and domestic hot

water).

 The thermostat should  be positioned at setting 5 or 6.

Summer conditions (i.e. domestic hot water only).

 The

thermostat should be positioned at setting 2.

These settings are offered for general guidance only and other

settings may be found preferable, dependent upon the type of

system installed or as recommended by the installer.

To Shut Down the Boiler

1. For short periods

Turn the boiler thermostat knob (A) to OFF. When heating is
again required, restore the knob to its original setting.

2. For longer periods

a.

Turn the boiler thermostat knob (A) to OFF.

b.

Switch the electricity supply to OFF.

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 -
including the domestic water supply.

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.

Control of Water Temperature

1.

Set the boiler thermostat knob (A) to give the required
temperature for central heating.

2.

The boiler thermostat automatically switches the boiler OFF
and ON to maintain the selected temperature.

To Relight the Boiler

Repeat the procedure 1 - 4 detailed in 'To light the boiler'.

Boiler Overheat Thermostat

The boiler is fitted with a safety 'cutout' thermostat: this
thermostat will shut down the boiler in the event of overheating.
Should this occur turn off the boiler and consult a CORGI
registered installer or in IE a competent person.

Loss of System Water Pressure

(Boilers fitted with the Overheat Thermostat Kit only)

If the red arrow on the system pressure gauge is set above zero
and the system pressure is seen to fall below this value 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

Escape of Gas

Should a gas leak or fault be suspected, contact your 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.

Note.

The appliance model is given on the data plate, located on the
front of the boiler base plate, behind the grille assembly.

2

BOILER CONTROLS

RS boiler shown

LEGEND

A

Boiler thermostat knob

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 01563 72300

THE LOG BOOK SHOULD BE COMPLETED AFTER EACH SERVICE AND KEPT WITH THESE INSTRUCTIONS

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.

200946-1.p65

3/9/2004, 3:31 PM

39

Summary of Contents for CF440

Page 1: ...ns ENGINEERED FOR PEACE OF MIND When replacing a 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 CF440 200946 1 p65 3 9 2004 3 42 PM 37 ...

Page 2: ...d in the same room as the appliance e Under NO circumstances should any of the sealed components on this appliance be used incorrectly or tampered with TTB Downdraught Thermostat CF boilers only This appliance is fitted with a TTB downdraught thermostat for added safety and protection If this thermostat should operate and switch off the appliance it is because the flue is subject to downdraught pr...

Page 3: ...tomatically switches the boiler OFF and ON to maintain the selected temperature To Relight the Boiler Repeat the procedure 1 4 detailed in To light the boiler Boiler Overheat Thermostat The boiler is fitted with a safety cutout thermostat this thermostat will shut down the boiler in the event of overheating Should this occur turn off the boiler and consult a CORGI registered installer or in IE a c...

Page 4: ... installer Has there previously been a smell of fumes from the flue It is likely that the downdraught thermostat has operated due to the combustion gases not being evacuated from the flue Contact your installer to check the flue is operating correctly and not blocked etc Boiler goes through ignition sequence but fails to light in either mode Check gas supply try at another gas appliance cooker fir...

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