Lb-white I-5 Infraconic Manual de usuario descargar pdf (Pagina 20)

Problem 4

Outer

Combustion

Cone Does

Not Heat Up

on High

Thermostat

Setting.

Is Proper

Gas Pressure Being

Supplied to the

Heater?

Check for Proper Gas

Pressure to the Heater.

Proper Pressure at High

Heat Should Read 5 PSIG.

Yes

Is Burner

Orifice Plugged?

Remove Orifice and

Clean It.

Yes

A. Remove Thermostatic Head from

Thermostatic Valve Body. on Zone

Panel. If Outer Cone Lights, Replace

Thermostatic Head and Sensor

Assembly.

-- OR --

B. Replace Thermostatic Head

Valve Body.

Are There

Blockages in

Gas Hose, Piping,

Tubing Assembly, Injector

Body or Venturi

Tube?

Remove the Component

and Clean It.

Yes

Problem 5

Heater Does Not

Return Back to

Low Heat.

Does

Main Burner Shut Off

When Thermostatic Head is

Set Below Room

Temperature?

Remove Thermostatic Head from Modulating Valve Assembly:

A. If Heater Returns to Low Fire When you Push Down on Plunger Pin of Valve,

Replace Thermostatic Head/Sensor Assembly.

B. If Heater Still Does Not Cycle to Low Fire, the Modulating Valve is Sticking and

Should be Replaced.

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Lb-white I-5 Infraconic Manual de usuario Pagina 20

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