Trane Gas Unit Heaters Manuel d'installation télécharger pdf (Page 38)

38 GHND-SVX01C-EN

Diagnostics

Troubleshooting

WARNING

Hazardous Service Procedures!

The maintenance and troubleshooting procedures

recommended in this section of the manual could result

in exposure to electrical, mechanical or other potential

safety hazards. Always refer to the safety warnings

provided throughout this manual concerning these

procedures. When possible, disconnect all electrical

power including remote disconnect and discharge all

energy storing devices such as capacitors before

servicing. Follow proper lockout/tagout procedures to

ensure the power can not be inadvertently energized.

When necessary to work with live electrical

components, have a qualified licensed electrician or

other individual who has been trained in handling live

electrical components perform these tasks. Failure to

follow all of the recommended safety warnings

provided, could result in death or serious injury.

Table 7. Troubleshooting guide

Symptoms Possible Cause(s) Corrective Action

A. Flame lifting from burner ports. 1. Pressure regulator set too high. 1. Reset manifold pressure. Refer to “Operation,” p. 27.

2. Defective regulator. 2. Replace regulator section of combination gas valve or

complete valve.

3. Burner orifice too large. 3. Check with local gas supplier for proper orifice size and

replace. Refer to “Operation,” p. 27.

B. Flame pops back. 1. Excessive primary air. 1. Close air shutter. Refer to “Operation,” p. 27.

2. Burner orifice too small. 2. Check with local gas supplier for proper orifice size and

replace. Refer to “Operation,” p. 27.

C. Noisy flame. 1. Too much primary air. 1. Close air shutter.

2. Noisy pilot. 2. Reduce pilot gas. Refer to “Operation,” p. 27.

3. Irregular orifice causing whistle or

resonance.

3. Replace orifice.

4. Excessive gas input. 4. Reset manifold pressure. Refer to “Operation,” p. 27;

Replace regulator section of combination gas valve or

complete valve; or check with local gas supplier for proper

orifice size and replace. Refer to “Operation,” p. 27.

D. Yellow tip flame (some yellow

tipping on propane gas is

permissible).

1. Insufficient primary air. 1. Open air shutters. Refer to “Operation,” p. 27.

2. Clogged main burner ports. 2. Clean main burner ports.

3. Misaligned orifices. 3. Replace manifold assembly.

4. Clogged flue collector. 4. Clean flue collector.

5. Air shutter linted. 5. Check for dust or lint at air mixer opening and around the

air shutter.

6. Insufficient combustion air. 6. Clean combustion air inlet openings in bottom panel; see

“Installation: Piping,” p. 16.

E. Floating flame. 1. Blocked venting. 1. Clean flue. Refer to “Installation: Piping,” p. 16.

2. Insufficient combustion air. 2. Clean combustion air inlet openings in bottom panel; see

“Installation: Piping,” p. 16.

3. Blocked heat exchanger. 3. Clean heat exchanger.

4. Air leak into combustion chamber

or flue collector.

4. Determine cause and repair accordingly.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43

Commentaires sur ces manuels

Pas de commentaire

Trane Gas Unit Heaters Manuel d'installation Page 38

Commentaires sur ces manuels

Produits connexes et manuels pour Chauffages d'appoint Trane Gas Unit Heaters