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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