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CG15, CG25, CG50 Burner Manual
Check barometric damper or draft hood for proper
operation.
Inspect boiler sections and system load piping for
possible leaks. Make all necessary repairs.
Check all operating and safety controls on the boiler
for proper installation and operation.
Perform all maintenance and tests according to the
burner control manufacturer’s instructions (limits,
controllers, low water cutoff, relief valves, feed
valves, etc.)
Gas Supply Piping
Inspect all piping for leakage and proper installation.
Perform necessary repairs to comply with all codes.
Installation Area
Insure that there are no combustible materials,
fl ammable liquids or vapors in the vicinity of the
heating appliance.
Verify that the combustion air supply is functioning
properly, adequately sized, clean, and properly
lubricated.
Adjust the Burner for Proper Combustion
Follow the guidelines under Start the Burner to set the
combustion levels using test instruments.
3.
4.
5.
6.
1.
2.
Figure 15A – Gas Gun Assembly
Flame Safeguard
Follow the control manufacturer’s instructions and verify
that the control is functioning to specifi cations. See
Page 14 or 16 for appropriate sequence of operation
and Items 8 through 10 on Page 28 for control system
checks.
Manual Shutdown for Long Periods
Close all gas valves in the gas supply piping
system.
Turn off all electrical power to the burner.
Protect the burner and controls from moisture and
dirt.
Ignition Reliability
Examine ignition electrode inslators for cracks.
Examine ignition wires for worn insulation.
Examine ignition electrodes for wear.
Check ignition transformer functionality.
Verify that the head is centered in the airtube and
that the head is not damaged.
Check inlet pressure to the gas train SSOVs.
Verify maximum recommended pipe lengths used in
gas trains (Figure 8A/B)
Verify low fi re light-off rate (Table 3)
1.
2.
3.
1.
2.
3.
4.
5.
6.
7.
8.
(if used)
* Automotive chassis or bearing grease is satisfactory o-ring lubricant.
Section: Maintenance and Service