Honeywell Q348A ユーザーズマニュアル

Honeywell Inc.

Honeywell Limited—Honeywell Limitée

1985 Douglas Drive North

740 Ellesmere Road

Golden Valley, Minnesota  55422

Scarborough, Ontario
M1P 2V9

Printed in U.S.A.

1. Assure that ignition cable is not in contact with

metal surfaces.

2. Assure that ignition cable is not more than

3 feet [1 m] long.

3. Assure connections to the ignition module stud

terminal and the igniter-sensor are clean and tight.

4. Check electrical continuity of ignition cable.

1. If ground is poor or erratic, safety shutdown will

occur. Therefore, if nuisance shutdowns are reported,
check the ground precautions in Wire Igniter-Sensor
section.

2. If leadwire is damaged or deteriorated, use

no. 14 to 18 gauge, moisture-resistant, thermoplastic,
insulated wire with 221

° F [105° C] minimum rating as

replacement.

3. Excessive temperature at the ceramic flame rod

insulator will permit electrical leakage to ground.

a. If bracket is bent, bend it back to correct

position.

b. If insulator is cracked, replace pilot burner/

igniter-sensor.

Refer to appliance manufacturer instructions to test

for proper safety lockout times.

LAZY YELLOW FLAME

WAVING BLUE FLAME

NOISY LIFTING BLOWING FLAME

HARD SHARP FLAME

SMALL BLUE FLAME

CHECK FOR LACK OF GAS FROM:

• CLOGGED ORIFICE FILTER

• CLOGGED PILOT FILTER

• LOW GAS SUPPLY PRESSURE

• PILOT ADJUSTMENT AT MINIMUM

CHECK FOR LACK OF AIR FROM:

• DIRTY ORIFICE

• DIRTY LINT SCREEN, IF USED

• DIRTY PRIMARY AIR OPENING,
  IF THERE IS ONE

• PILOT ADJUSTMENT AT MINIMUM

CHECK FOR:

• EXCESSIVE DRAFT AT PILOT 
  LOCATION

• RECIRCULATING PRODUCTS
  OF COMBUSTION

CHECK FOR:

• HIGH GAS PRESSURE

THIS FLAME IS CHARACTERISTIC 
OF MANUFACTURED GAS

CHECK FOR:

• HIGH GAS PRESSURE

• ORIFICE TOO SMALL

M3778

NOISY LIFTING BLOWING FLAME

LAZY YELLOW FLAME

WAVING BLUE FLAME

HARD SHARP FLAME

SMALL BLUE FLAME