Bedienungsanleitung DRU Diablo Next (Seite 20 von 36) (Englisch)

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INSTALLATION MANUAL

yes

Start

2.01 Can pilot be lit?

2.03 Only one spark?

2.02 Sparking?

2.09 Ignitionprocedure

- Oval knob on gas control is on

"MAN". Set to "ON" and restart.

Retardedignitionofmain

burner(s)

Gas to main burner opens ca. 3-5

seconds after servo motor,

operating the gas valve, starts

running (sound of motor!). After

this the main burner is to ignite (at

least partially) within 10 seconds

and not with a firm noise WHOOF.

If not: no or delayed cross lighting

of main burner.

Hazardoussituation.

Stop ignition procedure straight

away and first check for:

- Position of logs or pebbles.

- Burner holes (locally) blocked.

Remove vermiculite dust.

- Vermiculite missing.

- Chips on burner.

- Vermiculite not distributed

evenly across burner(s).

PowerVent®(ifpresent)

Burner does not light. Consult

PowerVent® installation manual

how to carry out the checks below.

Check:

- 230 V to fan controller unit and

fan.

- Silicon pressure measurement

hoses:

- swapped;

- leaking or barred.

- Pressure difference set too high.

- Resistance of flue system too

high:

- adjustment (of appliance

damper and air inlet guides);

- flue length or number of bends

too large;

- dirty (e.g. cobwebs).

- Operation of the fan.

- Operation of solenoid gas valve.

- Operation of fan controller unit.

- Operation of pressure

measurement gauge.

2.11 Nopropercrosslighting

ofmainburner(s).

Go to box 2.09 and take

actions act as described for

'retarded ignition of main

burner'.

2.06 Pilot can be lit.

Does it stay alight?

2.10 Do(es) main burner(s)

ignite smoothly and across

its/their full length after first

ignition by pilot burner?

2.08 Does main burner

ignite immediately?

2.04 Check:

Receiver

- Replace missing, weak or

rechargeable batteries (not enough

power to open thermoelectric

valve).

Presenceofgasonpilotburner

Check pilot on presence of gas at

normal ignition cycle or in Manual

Mode (turn oval knob on gas control

to MAN and keep safety shut off

valve opened with a screwdriver) and

ignite pilot with a lighter.

- Pilot flame not on: Step 1.

- Pilot flame on: Step 2.

Step1:Pilothasnogas

Check:

- Gas tap open?

- Gas at gas control (line pressure at

measuring point on gas control).

- Gas flowing out of gas control? (by

loosening pilot tube at gas control).

If not: check adjustment screw pilot

flame (under black cover): sealing

not to be broken.

Sealing broken: screw should be

fully open.

- Blocking of pilot tube (kink or dirt).

- If this does not help: replace gas

control.

Step2:Pilothasgas,butno

ignition

- Electrode with 90°bended tip:

bend tip 1 mm higher.

- Spark too weak (thin and reddish).

Act as if 'no spark' in box 2.05 and

perform actions described for

ignition cable and ignition

electrode.

- Pilot flame too weak (dirty).

Remove injector (remove gland nut

and the pilot tube). See that it does

not fall away. Clean with

compressed air.

Rectify. Retry.

2.05 Check:

Ignitioncable

- Present and connected.

- Being free from metal parts or

concrete.

- Too long: cut away all excessive

length at receiver end, and

reconnect.

- Shorting out to earth: replace

ignition cable.

- Spark in wrong position:

- slide rubber sleeve on ignition

cable over ceramic of electrode.

- Replace electrode if neccessary.

Ignitionelectrode

- Straight electrode:

- oxidation (roughen electrode

with file or sand paper);

- position (4 mm from pilot burner).

- Cracks in ceramic (not always

visible): replace electrode.

Startingprocedure

After switching off/going out the

remote is locked for 120 sec. (older

versions 60 sec).

Wait 2 minutes before reigniting.

2.07

Pilotoutwhenservomotorstarts

torun?Checkthethermocouple

system.

- Measure thermocouple voltage in

mV just after servomotor starts to

run and the voltage goes down.

- Measure between red dot on

receiver and earth point on gas

control (fig. 42).

- 0 mV

- 2-3 mV

- 3-5 mV

- 6 mV and higher

- Requirement: after rectification

actions thermocouple voltage

should be 6 mV at least, just after

motor starts running!

Voltage0mV

- Thermocouple defective. Check by

replacing or measuring voltage at

end whilst heating (tip: with a

lighter).

- Short circuiting or interruptions in

circuit:

Check:

- thermocouple tight in

interruptor;

- interruptor tight in gas control;

- black wires (yellow/red end)

connected to interruptor +

receiver;

- interruptor (mount

thermocouple directly in gas

control and ignite in Manual Mode

(see 2.04).

If pilot stays on: interruptor

defective.

Voltage2-3mV

- Check pilot flame.

Too small:

- pilot dirty.

Clean up (see 2.04).

- check for pilot gas tube

tightness;

- pilot tube kinks or dirt inside;

- line pressure too low.

- Tip: thermo couple not in (correct!)

pilot flame.

Bend into flame.

Voltage3-5mV

- Appliance may work, but is too

critical.

Perform actions as described for

2-3 mV.

Voltage6mVandhigher

Voltage OK, so different cause.

- Receiver defective. Check by

dismounting black-red and yellow

control cables from receiver and

link together. Ignite fire in Manual

Mode (see 2.04). Pilot stays on:

receiver defective.

- Gas control defective if receiver is

not defective. Replace gas control.

yes

yes yes

no no

Fires with electronic ignition, fault finding: Ignition and burning

Appendix1diagnosisofmalfunctions

GB20

2.03a

- Loosen and retighten

earthing screw on gas

control.

- If this does not work:

replace receiver.

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DRU Diablo Next Seite 20

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