Grant OFTEC CD10 Manual de usuario

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CONTENTS:

SERVICE LOG

ARRANTY DETAILS

COMMISSIONING

HAT THE INSTALLER SHOULD

LEAVE ITH YOU

HAT TO DO NO !

SERVICING

HO TO OPERATE YOUR BOILER

AFTER SALES SERVICE

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*Sealed System only

DATE C02%NET FGT (oC) NOZZLE

EXPANSION

VESSEL CHARGE

CHECKED*

PUMP

PRESSURE

(BAR)

SERVICED BY:

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Thank you for choosing a Grant high ef ficiency oil

fired boiler. This appliance has been designed to

provide you with years of trouble free operation.

However it is important to ensure that regular servicing

is carried out. Please take time to read the following

useful information and retain this booklet to record all

future servicing.

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The boiler is automatically covered against

manufacturing defects for 12 months from the date of

purchase. A further 12 months cover will be applied

upon receipt by Grant UK of the completed guarantee.

To register your boiler visit: >> >09,6;<3-75

The steel heat exchanger is covered for five years

against manufacturing defects. For the warranty to

apply, the boiler must be installed, commissioned and

operated in accordance with the installation

instructions provided.

*Terms and conditions apply. See Boiler Guarantee

Section in ‘Homeowner Zone’ of website. Boiler must

be serviced after first 12 months.

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Following installation, the boiler must be

commissioned by a ‘competent person’, such as an

OFTEC Registered Engineer, to validate the warranty.

The boiler will be set to its optimum ef ficiency using

specialist flue gas analysis equipment. Your Installer

should organise the commissioning. However, if

required, Grant UK can provide details of

Commissioning Engineers in your area.

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T: 01380 736920 W: W WW.GRA TUK.COM

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A completed OFTEC CD10 installation

completion report.

A completed OFTEC CD11 form or a

commissioning report.

The user, installation and ser icing

instructions.

Also, your Installer should have advised you how to

operate the boiler and, where a sealed system is

fitted, how to check and top up the heating system.

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Visit >>>09,6;<3-75and follow the links to the

‘7<:/174./9+76/A where you can register your

Grant oil-fired boiler for an additional free 12 months

warranty (24 months from date of purchase). You will

find the information that you need (Serial umber,

Model etc.) on the boiler data label on the inside of

the boiler casing. See back page of this handbook.

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Upon completion of your online Guarantee, Grant UK

will register your boiler for two years.

If you take out the extended warranty cover (the

application form is downloadable from the Grant UK

website) the insurer’s agent Bluefin Insurance

Services Ltd (underwritten by orwich Union) will

send you an extended warranty certificate.

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The boiler warranty can be increased to five years.

Simply complete the Extended Warranty application,

downloadable from the Grant website and return it to

Bluefin, enclosing a cheque for the required amount.

Af ter the five year period the boiler warranty can be

extended on an annual basis. For details please

contact Grant UK.

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The boiler should be serviced at least every

12 months. This is also a condition of the second

year manufacturer’s warranty.

The nozzle and braided oil hose should be replaced

annually and on sealed systems, the expansion

vessel air charge must be checked. Details for this

are given on the front of the expansion vessel.

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Full operating instructions may be found in the

Installation and Servicing Manual supplied with the

boiler. Ensure that your Installer has lef t the

Instruction Manual for your attention and has

demonstrated how to operate the controls.

The following pages explain how to operate your

boiler and, where a sealed system has been

installed, how to check and top-up the heating

system.

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Turns the boiler on or of f as required. Some boilers

are fitted with a ‘Boiler On’ indicator light – check in

the User Instructions section of the Installation and

Servicing Manual supplied with your boiler.

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Controls the temperature of the water leaving the

boiler.

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Automatically cuts the burner out if the boiler

overheats. Can be manually reset once the boiler

has cooled down. Unscrew the plastic cap and press

the reset button (see below). If the boiler overheats

regularly there may be a fault and you should

contact your Installer.

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T: 01380 736920 W: W WW.GRA TUK.COM

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Ensure that the pointer on the gauge is reading

between 0.5 and 1.0 bar when the system is cold.

The red indicator can be set to mark this position.

The pressure will rise when the system heats up.

Excessive pressure on the gauge may

indicate that the expansion vessel

requires recharging with air. Contact

your Installer or Service Engineer who

will check the air charge in the

expansion vessel.

Your Service Engineer must check the

air charge on every service – as

detailed in the information given on the

front of the expansion vessel – and record the

pressure on the service log at the front of this

handbook.

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Your Installer should show you how to top up the

system using the filling loop, either located in the

boiler or on the system pipework. Topping up will be

necessary for example when a radiator has been

removed for decorating or air is bled from a radiator.

Frequent topping up may indicate that there is a leak

on the heating system or one of its components.

Contact your Installer or Service Engineer to rectify

the problem. Frequent topping up without tracing or

rectifying the cause may result in internal damage to

the boiler and its components, which would not be

covered under the manufacturer’s warranty.

Filling Loop

fitted in boiler.

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The expansion vessel (red vessel usually attached to

boiler) must be checked annually to ensure that

there is a 1.0 bar air charge in the vessel. Failure to

do this will invalidate the boiler warranty. Refer to the

procedure given on the front of the vessel.

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●Check boiler and circulating pump are switched

of f.

●Check any automatic air vents on the system are

open.

●Connect flexible filling loop* between the two

filling valves.

●Open filling valve on mains water end of filling

loop (valve is open when operating lever is in line

with valve).

●Open filling valve on heating system end of filling

loop to allow water to flow into system (valve is

open when operating lever is in line with valve).

●When pressure gauge shows required system

pressure (see ‘Pressure Gauge’ section – page 5)

close filling valve on heating system.

●Vent each radiator to remove any air – starting

with the lowest one on the system, ie downstairs.

*If you cannot locate the filling loop, please contact your installer.

T: 01380 736920 W: W WW.GRA TUK.COM

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●Locate the circulating pump(s). If you have a

System model the pump will be inside the

boiler casing. Depending on the type, a Combi

may have one or two pumps inside the boiler.

●For other models the pump will be located on the

heating system pipework.

●Vent the pump(s) – unscrew the plug from the

centre of the pump and remove. Using a suitable

screwdriver rotate the shaf t of the pump about

one turn. When water starts to trickle out, replace

the plug.

●Check the system pressure on the gauge. If

necessary, re-open the filling valve on the system

until the gauge shows the required pressure. Take

care not to overfill!

●Close both filling valves and disconnect the filling

loop at one end only. Take care as the filling loop

may contain water!

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If the burner fails to operate, check to see if the reset

button (Lock-out button on the burner) is

illuminated. Internal Wall Hung models have a lock-

out lamp on the control panel. If illuminated press

the rest button on the burner control box. The reset

button should not be pressed more than twice,

should a burner lock-out occur. If the burner cannot

be reset, first check that you have oil in the tank and

also that your fire valve has not tripped. Please refer

to Page 9. If the problem still exists then contact your

installer or Service Engineer for assistance.

Pressing reset button

on Wall Hung boiler

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Modern oil-fired boilers – particularly condensing

boilers – operate at extremely high ef ficiencies with

lower flue gas temperatures. This results in a plume

of water vapour being visible at the flue terminal

when the burner is operating. This pluming is

condensation – rather like your breath on a cold day.

This is a perfectly normal condition with high

ef ficiency and condensing boilers. It indicates that

the boiler is working ef ficiently.

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If your boiler breaks down during the 24-month

warranty period, in the first instance you should

contact your installer to identify the cause of the

problem and if necessary your Installer will contact

us. If you are unable to contact your Installer please

telephone the Grant UK Service Department for

assistance. Authorisation to carry out warranty

repairs must be obtained from Grant UK before any

work is carried out. Costs incurred by unauthorised

work will not be covered by Grant UK.

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●Check On/Of f switch on boiler is set to “On”

(see page 4).

●Check that heating controls (your room

thermostat, programmer, etc) are actually “set”

for the boiler to operate.

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