Lb-white Guardian with Smart Sense / Direct Connect - Spark Bedienungsanleitung PDF herunterladen (Seite 22)

21

Problem

LED constant on

Red LED not

on during

a call for

heat. Heater

does not

operate.

Normal Operation

Is heater

connected to its

power supply?

Connect it to the

power supply.

Yes

No

Yes

Is

proper

voltage supplied

to heater power cord

and through

power cord?

Check dataplate for electrical supply

requirements. Provide proper

voltage. Check circuit breakers.

Check power cord for continuity.

Are 24 volts

supplied from

transformer?

Replace 40 VA

transformer

No

No

No

Yes

Are

24 volts supplied

to ignition

module?

Poor electrical connection

or broken wire present.

Repair or replace.

Yes

Replace ignition module.

Is

proper

voltage supplied

to 40 VA

transformer?

Check electrical

connections and

power supply to

transformer.

Repair as necessary.

No

Yes

Yes

Is

building controller

calling for heat?

Set controller to

call for heat.

No

Heater does not

cycle above

minimum heat

output.

Is building

controller

calling for

heat?

No

Is proper gas

pressure supplied

to heater?

Yes

Provide proper

pressure to heater and

check with a gauge.

No

Set the building

controller to call for

heat.

Is variable rate

solenoid on gas

control valve receiving

DC volts ?

No

Yes

Problem

Measure across terminals of modulating gas

control valve for anywhere from 1-15 volts DC.

If absent, check all wiring and building

controller settings. If wiring and settings are

good, replace the signal conditioner.

Defective variable

rate gas control

solenoid. Replace

gas control.

Yes

Is the 20 VA

transformer

recieving 115 volts

and supplying 24

volts to signal

conditioner?

No

Check electrical connections

and power supply to transformer.

If no power from transformer to

conditioner, replace the

transformer.

Yes

LED Flashing

One Time

Air proving switch

contacts are closed

before fan motor is

started. Fan motor does

not run. Heater does

not light.

Is air-

proving switch

shorted? (Perform

continuity check on air-

proving switch.)

Yes

No

Yes

Replace air-proving

switch

Is air-proving switch

arm or paddle binding

on housing? Is there

an obstruction in

heater outlet?

Repair and/or remove

obstructions. check

for damaged fan

housing. Clean or

repair as needed.

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Kommentare zu diesen Handbüchern

Keine Kommentare