Eclipse Vortometric v2.00 Guia de Instalação descarregar pdf (Página 21)

Eclipse AirHeat v2.00, Installation Guide No. 135, 7/99

21

PROBLEM POSSIBLE CAUSE SOLUTION

• Air pressure switch has not

made contact.

• High gas pressure switch has

activated.

• Low gas pressure switch has

activated.

Have a qualified electrician

troubleshoot and correct the

problem.

Cannot initiate a start

sequence.

Check air pressure switch

adjustment.

Check air filter.

Check blower rotation.

Check outlet pressure from

blower.

Be sure the main power to the

system is switched to the “on”

position.

• Purge cycle not completed.

Check flame safeguard system

or purge timer.

• Malfunction of the flame

safeguard system (e.g., shorted-

out flame sensor or electrical

noise in the sensor line).

• No power to the control unit.

• Main power is off.

Start-up sequence runs but

burner does not light.

Open pilot gas cock.

Increase gas flow. See page 17.

• Gas pressure into pilot

regulator too low.

Check outgoing gas pressure of

main regulator; increase if

necessary.

• Pilot gas cock closed.

• Pilot solenoid valve does not

open.

Have qualified electrician check

power supply to solenoid.

• Gas adjusting valve set too low.

• Air in the pilot gas line.

Repeat start-up several times to

purge air from gas line.

PILOT IGNITION ONLY

PILOT IGNITION OR DIRECT SPARK

No ignition:

• Attempting to ignite at inputs

greater than 60% (direct spark).

• Weak or non-existent spark.

Reduce start point gas flow.

Verify control circuit.

Verify ignition transformer is a

6,000 - 8,000 volt transformer.

(Not half-wave)

• There is no power to the

ignition transformer.

Restore the power to the

ignition transformer.

• Open circuit between the

ignition transformer and the

igniter.

Repair or replace the wiring to

the igniter.

TROUBLESHOOTING PROCEDURES

Check incomming gas pressure;

adjust if necessary.

Check pressure switch setting

and operation.

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