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2 550-142-301/0123
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SECTION 1
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SAFETY 3
Safety Signals . . . . . . . . . . . . . . . . . . . . . . 3
Please Read Before Proceeding . . . . . . . . . . . . 3
Boiler Maintenance . . . . . . . . . . . . . . . . . . . . . . .3
Safe Boiler Operation. . . . . . . . . . . . . . . . . . . . . .4
Boiler Water . . . . . . . . . . . . . . . . . . . . . . . . . .4
Frozen Water Damage . . . . . . . . . . . . . . . . . . . . .4
Damage from Water Contact . . . . . . . . . . . . . . . . . .4
SECTION 2
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OPERATION 5
Operating the Boiler. . . . . . . . . . . . . . . . . . . 5
Prevent Combustion Air Contamination . . . . . . . . . . . .5
Operating Instructions . . . . . . . . . . . . . . . . . . . . .5
CGa, EG-30 to EG-75, PEG-30 to PEG-55 . . . . . . . . . .6
CGa-25 to CGa-6, EG-30 to EG-50, PEG-30 to PEG-50 . . .7
CGa-7, CGa-8, EG-55 to EG-75, PEG-55 . . . . . . . . . . .8
CGa-25 to CGa-6, EG-30 to EG-50, PEG-30 to PEG-50 . . .9
CGi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
LGB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . 12
Common Issues and Solutions . . . . . . . . . . . . . . . . 12
SECTION 3
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MAINTENANCE 13
Maintenance Overview . . . . . . . . . . . . . . . . 13
Servicing and Maintaining the Boiler . . . . . . . . . . . . .13
Boiler Components . . . . . . . . . . . . . . . . . . 14
Tankless Water Heater (EG and PEG only) . . . . . . . . . 14
Rollout Thermal Fuse Element (CGa, CGi, EG, & PEG only) . .14
Spill Switch (CGa, EG, & PEG only). . . . . . . . . . . . . 14
Pressure Switch (LGB only) . . . . . . . . . . . . . . . . . 14
CGa Series 3 . . . . . . . . . . . . . . . . . . . . . . . . . 15
CGi Series 4 . . . . . . . . . . . . . . . . . . . . . . . . . 16
EG/PEG . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
LGB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Maintenance Procedures — DAILY. . . . . . . . . . 18
Boiler Area . . . . . . . . . . . . . . . . . . . . . . . . . .18
Pressure/Temperature Gauge or Pressure Gauge (Steam) . 18
Air openings . . . . . . . . . . . . . . . . . . . . . . . . . 18
Maintenance Procedures — MONTHLY . . . . . . . 19
Boiler Piping . . . . . . . . . . . . . . . . . . . . . . . . . 19
Venting System . . . . . . . . . . . . . . . . . . . . . . . . 19
Boiler Relief Valve . . . . . . . . . . . . . . . . . . . . . . 19
Automatic Air Vents (if used) . . . . . . . . . . . . . . . . .19
Pilot Burner Flame . . . . . . . . . . . . . . . . . . . . . .20
Main Burner Flame . . . . . . . . . . . . . . . . . . . . . . 20
Check Condensate Drain System (if used). . . . . . . . . . 20
Maintenance Procedures — PERIODICALLY . . . . 21
Test the Low Water Cuto . . . . . . . . . . . . . . . . . . 21
Float Type Low Water Cuto . . . . . . . . . . . . . . . . .21
Probe Type Low Water Cuto . . . . . . . . . . . . . . . . 21
Integrated Type Low Water Cuto . . . . . . . . . . . . . .22
Clean Gauge Glass. . . . . . . . . . . . . . . . . . . . . . 22
Oil Inducer Motor (CGi Boilers). . . . . . . . . . . . . . . . 22
Maintenance Procedures — EVERY 6 MONTHS. . . 23
Operate the Boiler Relief Valve. . . . . . . . . . . . . . . . 23
Maintenance Procedures — END OF SEASON . . . 23
Boiler Shutdown Procedure . . . . . . . . . . . . . . . . . 23
Propane Gas Odorant . . . . . . . . . . . . . . . . . . . . 23
How to Use This Manual
Contents
To do the following: Read and Use: Page(s)
Learn precautions Safety warnings and information 3-4
Prevent air contamination List of air contaminants to avoid 5
Start or shut down the boiler Operating instructions 6-11
Troubleshoot common issues
Use the troubleshooting table to resolve
typical heating system and boiler issues.
12
Identify and locate boiler
components
Boiler illustrations
14-17
Maintain the boiler Boiler maintenance schedules
18-23
Draft - For Engineering Review ONLY Jan. 2023 HC
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