New Buck Corporation 20 Room Heater - Manual (Page 37)

SECTION IX
CATALYTIC TROUBLESHOOTING
CONTENTS
Definitions
Possible Problems
Plugging
Extreme Temperatures
Flow Restrictions
Creosote Build-up
Chemical Deactivation
Excessive Handling
Condensation in Chimney
Backpuffing
Non-uniform flow
Troubleshooting
Heater Related Problems
1. Sluggish Heater Performance
2. Drop in Overall Efficiency
3. High Fuel Consumption
4. Backpuffing
5. Smoke Rollout When Heater Door Is Opened
6. Low Catalytic Temperature
7. Creosote Running From Draft Inlet Openings
Chimney-Related Problems
1. Creosote Accumulation
2. Tar and Liquid Creosote Leaking from Metal Flue Joints
3. Heavy Concentration of Smoke Leaving Chimney
4. Rusted or Corroded Flue Parts
5. Odor
6. Poor-Drafting
Chimney
Combustor-Related Problems
1. Plugging
2. Catalyst
Peeling
3. Chemical Deactivation
4. Catalyst Masking
5. Substrate Cracking-Thermal
6. Substrate Cracking-Mechanical
7. Substrate Crumbling
8. Color Variations