TROUBLE- SHOOTING

Continued

OBSERVED

POSSIBLE

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

Burner does not light

2.

Burner orifice diameter

2.

Replace burner orifice

after ODS/pilot is lit

 

is too small

 

 

(continued from page

3.

Inlet gas pressure is

3.

Contact local natural gas

22)

 

too low

 

company

 

 

 

 

 

Delayed ignition of

1.

Manifold pressure is

1.

Contact local natural gas

burner

 

too low

 

company

 

2.

Burner orifice is

2.

Clean burner (see

 

 

clogged

 

Cleaning and Mainte-

 

 

 

 

nance, page 21) or

 

 

 

 

replace burner orifice

 

3.

Inlet gas pressure is

3.

Contact local natural gas

 

 

too low

 

company

 

 

 

 

 

Burner backfiring

1.

Burner orifice is

1.

Clean burner (see

during combustion

 

clogged or damaged

 

Cleaning and Mainte-

 

 

 

 

nance, page 21) or

 

 

 

 

replace burner orifice

 

2.

Inlet gas pressure is

2.

Contact local natural gas

 

 

too low

 

company

 

3.

Burner damaged

3.

Replace burner

 

4.

Gas regulator defective

4.

Replace gas regulator

 

 

 

 

Yellow flame during

1. Not enough air

1.

Check burner for dirt

burner combustion

 

 

 

and debris. If found,

 

 

 

 

clean burner (see

 

 

 

 

Cleaning and Mainte-

 

 

 

 

nance, page 21)

 

2.

Inlet gas pressure is

2.

Contact local natural gas

 

 

too low

 

company

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

Slight smoke or odor

1. Residues from manu-

1.

Problem will stop after a

during initial operation

 

facturing processes

 

few hours of operation

 

 

 

 

Heater produces a

1. Turning control knob

1.

Turn control knob to

whistling noise when

 

to HIGH position

 

LOW position and let

burner is lit

 

when burner is cold

 

warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air

 

 

 

 

is removed from line.

 

 

 

 

Have gas line checked

 

 

 

 

by local natural gas

 

 

 

 

company

 

3.

Air passageways on

3.

Observe minimum

 

 

heater blocked

 

installation clearances

 

 

 

 

(see Figure 4, page 10)

 

4.

Dirty or partially

4.

Clean burner (see

 

 

clogged burner orifice

 

Cleaning and Mainte-

 

 

 

 

nance, page 21) or

 

 

 

 

replace burner orifice

Continued 23

101806

Page 23
Image 23
Desa RN30C, CGN18C installation manual From

CGN18C, RN30C specifications

Desa RN30C and CGN18C are two innovative and efficient models that embody the latest advancements in design and functionality, making them stand out in their respective markets.

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