Beckett CG50 - Manual (Page 3)

3 CG15, CG25, CG50 Burner Manual
Contents
General Information .................................................... 4
Hazard Defi nitions ......................................................................... 4
Professional Installer’s Responsibility ........................................... 5
Pre-installation Checklist ........................................... 5
Indoor Installation .......................................................................... 5
Combustion Air Supply .................................................................. 5
Clearances .................................................................................... 5
Fuel Gas Supply ........................................................................... 5
Flue Vent System .......................................................................... 5
Electrical Supply ............................................................................ 7
Verify Burner Components ............................................................ 7
Verify Firing Input Range ............................................................... 7
Verify Burner Air Tube Assembly ................................................... 7
Mount the Burner ....................................................... 10
Connect Gas Piping .................................................. 10
Gas Trains ................................................................................... 11
Wire the Burner .......................................................... 14
Sequence of Operation ............................................. 14
Prepare the Burner for Start-up ............................... 17
Start-up Checklist ....................................................................... 17
Start the Burner ........................................................ 18
Burner Start Procedure ............................................................... 18
Initial Air Settings ......................................................................... 18
Optional Modulation Linkage Adjustment Instructions ................ 20
Adjustment Procedure ................................................................. 20
Modulation Control ...................................................................... 22
Verify Input Firing Rate ................................................................ 23
Estimating Rate ........................................................................... 24
Clocking a Gas Meter .................................................................. 24
Uncorrected Flow Rate ............................................................... 24
Pressure Correction .................................................................... 24
Temperature Correction .............................................................. 24
BTU’s and MBH........................................................................... 24
Check Operation and Safety Controls ......................................... 26
Use Test Instruments to Set Combustion .................................... 27
Recommended Combustion Test Sequence ............................... 27
Maintenance and Service.......................................... 28
Annual Maintenance .................................................................. 28
Appliance .................................................................................... 28
Gas Supply Piping ....................................................................... 29
Installation Area ........................................................................... 29
Adjust the Burner for Proper Combustion .................................. 29
Flame Safeguard ......................................................................... 29
Manual Shutdown for Long Periods ............................................ 29
Ignition Reliability ........................................................................ 29
Propane Restrictor Description .................................................. 31
Installation .................................................................................. 31
For the Operator .......................................................................... 33
Replacement Parts .................................................... 34
Limited Warranty Information .................................. 36