Yeoman PR1145 instruction manual Ignition Functional Check, Flame Failure Functional Check

Page 16

16

IGNITION FUNCTIONAL CHECK 2

NO SPARK

Ensure there is no debris around the pilot assembly,

(e.g. coal, soot etc.) which could short the spark, clean the area.

 

 

 

Consult User Instructions,

 

 

 

 

Section 2, retry.

 

 

Operate the valve to light

No

Is the valve being

Yes

 

the pilot, does the valve

 

 

 

operated correctly?

 

'click'?

 

 

 

 

 

 

 

Yes

 

 

 

 

Is the pIlot burner

No

 

 

 

horizontal?

Reset the pilot burner.

 

 

See diagram 1 on page 14.

 

 

 

 

 

 

 

Yes

 

 

 

 

Has ignition lead

Yes

 

 

 

become detached or is

Correct and retry.

 

 

 

 

 

connection poor?

 

 

 

 

 

 

 

No

 

 

 

 

Remove the electrode lead

 

Check for defective or

 

 

 

damaged control knob spindle

 

Yes

from electrode with insulated

 

or cam operation. Check for

 

pliers. Hold the tip 4mm from the

 

correct location of piezo

 

 

 

 

 

pilot pipe work, is there a spark

 

components. Correct and retry.

 

 

when the valve ‘clicks’?

 

 

 

FLAME FAILURE FUNCTIONAL CHECK

PILOT WILL NOT STAY LIT OR FIRE GOES OUT IN USE

Ensure there is no debris around the pilot assembly,

e.g. coal, soot etc. which could short the spark, clean the area.

Light the pilot and keep the control knob pushed in

at least 10 seconds before letting go.

 

 

 

 

 

No

 

Will pilot

 

Yes

 

 

 

With the pilot

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

stay lit?

 

 

 

 

 

 

With the fire running

 

running is the gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on full is the gas at

 

pressure stated on the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

No

the pressure stated

 

data badge?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on the data badge?

 

 

 

 

 

 

 

 

 

Problem is with the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pipe work or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fittings which lead

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

to the fire. Correct and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

retry.

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

Run for no more than

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

turn off, time interval

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

until mag unit shuts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

with a click. Is this

 

Is the pilot flame of the

 

 

 

 

 

 

Is thermocouple

 

 

 

 

 

greater than 7

 

 

 

 

 

 

 

 

 

 

 

 

seconds?

 

correct length? See

 

 

 

 

 

 

connection good

 

 

 

 

 

 

 

 

diagram 1 on page 15.

 

 

 

 

 

 

in back of valve?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

Tighten the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connection and retry.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERVICING INSTRUCTIONS FAULT FINDING CHARTS

No

Is the electrode wire

detached from the piezo

 

Remove the electrode lead from

Yes

the piezo. Operate the valve.

No

Replace

 

thermocouple.

in the valve?

No

Replace the combined lead and piezo, retry.

Does a spark jump from the

piezo to the valve body?

Yes

No

Change the pilot unit.

Will pilot

stay alight?

No

Change mag

unit.

Yes

No

Run for a maximum of 60 seconds, turn off, time interval until mag unit shuts with a click. Is this greater than 7

seconds?

Yes

Replace the electrode.

Replace the electrode

Replace the piezo

lead and retry.

and gas valve and retry.

 

SYSTEM OK

Page 15 Page 17
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Page 15 Page 17
Contents Yeoman Exe Midi Contents APPLIANCE COMMISSIONING CHECKLIST FLUE CHECKPass Fail GAS CHECKUser Instructions GeneralTurning the Stove off Lighting the StoveUpgrading the Stove Cleaning the stove Advice on Handling and Disposal of Fire CeramicsUser Instructionsheading Fuel bed arrangementInstallation Details HOT SurfacesTechnical Specification Installation InstructionsPacking Checklist Installation of the gas supply SITE REQUIREMENTSFlue and Chimney Requirements LocationInstallation Control upgradeSafety precautions Installation of the stoveFuel BED Arrangement For full instructions see User Instructions, Section Commissioning CommissioningServicing Requirements Servicing InstructionsCheck Ignition Functional Check Flame Failure Functional CheckReplacing Parts GeneralMain burner Pilot unitPiezo Ignition lead and piezoGas valve Magnetic safety valve Main injectorPrimary aeration plate Changing between gas types Basic Spares ListSERVICE RECORDS

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