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CGa, CGi, CGs, EG,
EGH, LGB, PEG, PFG
Gas-Fired Boilers
User’s
Information
Manual
If the information in this manual is not followed exactly, a fire or
explosion may result, causing property damage, personal injury or
loss of life.
Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your
building.
Immediatel
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Please read this page first How to use this To . . . Read/use . . . Pages . . . manual . . . Learn Warnings and definitions 1, 2, and 3 precautions Read list of air contaminants you must avoid. If Prevent air found, either remove products permanently 3 contamination or isolate boiler and provide outside com- bustion air. Identify boiler The illustration on page 4 or 5, will show you the 4-5 components location of the main components. Set up a plan for maintaining the boiler using Maintain t
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s Information Manual User STOP!! — Read before proceeding Failure to adhere to the guidelines on this page can result in severe personal injury, death or substantial property damage. Air contamination Products to avoid • To prevent potential of severe personal injury or death, check for products or Spray cans containing chloro/fluorocar- areas listed in table at right before installing boiler. If any of these contaminants bons are found: remove contaminants permanently. — OR — Permanent wave
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Boiler components 59211 59210 1 Gas valve 2 Pilot burner 3 Main burner 4 Gas manifold/orifices 5 Control module 6 Inducer (CGi and CGs only) 7 Vent damper (CGa only) 8 Water temperature limit switch 9 Transformer 10 Spill switch (CGa only) 11 Air pressure switch (CGi and CGs only) 12 Rollout thermal fuse element 15 Draft hood (CGa only) 16 Circulator 17 Relief valve 18 Gauge (pressure or pressure/temperature) 4 Part Number 550-110-592/1099 CGs CGi CGa CGa, CGi, CGs, EG, EGH, LGB, PEG, PFG Boiler
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s Information Manual User 1 Gas valve 2 Pilot burner 3 Main burner 4 Gas manifold/orifices 5 Control module 7 Vent damper 9 Transformer 10 Spill switch 12 Rollout thermal fuse element 13 Low water cutoff (steam boilers) 14 Limit control(s) 15 Draft hood 16 Circulator 18 Gauge (pressure or pressure/temperature) 19 Gauge glass (steam only) Part Number 550-110-592/1099 5 LGB PFG EG/EGH
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Maintain boiler using schedule below Service technician Owner maintenance (covered in Boiler Manual — for use only by a (see following pages for instructions) qualified service technician) Inspect: Check boiler area • Reported problems Check air openings Daily Check boiler pressure/ Boiler area temperature gauge Air openings Check boiler interior piping Flue gas vent system Check venting system Pilot and main burner flames Check air vents Monthly Water piping
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s Information Manual User User maintenance procedures Boiler must be serviced & maintained The following information The boiler should be inspected and started annually, at provides detailed instructions for the beginning of the heating season, only by a qualified completing the maintenance items service technician. In addition, the maintenance and listed in the maintenance schedule, care of the boiler designated on page 6 and explained page 6. In addition to this on the following pages must be
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❏ Check daily . . . . . . . . . . . . . . . . . Pressure/temperature gauge Air openings or pressure gauge (steam) 1. Verify that combustion and ventilation air openings to the boiler room and/or building are open and 1. Water boilers — Make sure the pressure reading unobstructed. on the boiler pressure/temperature gauge does not 2. CGs boilers — Verify that boiler vent discharge exceed 24 psig. Higher pressure may indicate a problem with the expansion tank or gauge. and air intake are clean and
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s Information Manual User ❏ Check monthly . . . . . . . . . . . . . . . . Automatic air vents (if used) Main burner flame Proper main burner flame (see Figure 6): 1. See Figure 4. 1. Yellow-orange streaks may appear (caused by dust). Figure 4 2. Remove the cap from any automatic air vent in the system Automatic air Improper main burner flame: and check operation by vent 1. Overfired — Large flames. depressing valve B slightly with A 2. Underfired — Small flames. the tip of a screwdriver. 3. La
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❏ Service periodically . . . . . . . . . . . . Test low water cutoff (all steam boilers) (water boilers, if installed) If the system is equipped with a low water cutoff, test the low water cutoff periodically during the heating season. Float type — See Figure 7 Probe type— See Figure 8 1. Clean probe type low water cutoff for proper 1. Clean float type low water cutoff to clear float operation. chamber of sediment. a. Open blowdown valve at bottom control. a. Turn off power to boiler and wait 5
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s Information Manual User ❏ Service periodically continued . . . . . . . Figure 9 Gauge glass Clean gauge glass Normal waterline on a steam boiler is halfway up gauge glass. See Figure 9. Clean when needed. 1. Close lower gauge cock. Gauge 2. Open pet cock. cock 3. Open lower gauge cock and allow a small amount of water to flush out through open pet cock. Waterline 4. Close pet cock. 5. Open lower gauge cock. Gauge glass Boiler pressure must be low to eliminate potential of severe burns. 6. If
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❏ End-of-season shutdown . . . . . . . . Follow boiler shutdown procedure 1. Follow “TO TURN OFF GAS TO APPLIANCE” on 2. Do not drain system unless exposure to freezing the Lighting/Operating instructions on the inside temperatures will occur. of the jacket panel. You will also find these 3. Do not drain the system if it is filled with an instructions on pages 13 through 22 of this manual. antifreeze solution. Use the Lighting/Operating instruction for the gas 4. Do not shut down boilers used f
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s Information Manual User Lighting instructions CGa, EG-30 to EG-65, PEG-30 to PEG-55 • Standing pilot Gas valve — Honeywell VR8200/VR8300 FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot, which must be lighted C. Use only your hand to push down the reset button or turn the gas by hand. When lighting the pilot, follow these control knob.
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Lighting instructions CGa-25 to CGa-6, EG-30 to EG-50, Standing pilot PEG-30 to PEG-50 Gas valve — Robertshaw 7200 FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot, which must be lighted C. Use only your hand to depress the selector arm. Never use tools. If by hand. When lighting the pilot, follow these the selector arm will not move by
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s Information Manual User Lighting instructions EG-75, EGH-85, EGH-95, PFG-6, PFG-7 Standing pilot Gas valve — Robertshaw 7000DERHC FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot, which must be lighted C. Use only your hand to depress or turn the gas control knob. Never by hand. When lighting the pilot, follow these use tools. If the
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Operating instructions CGa, EG-30 to EG-75, PEG-30 to PEG-55, Spark-ignited pilot PFG-5 Gas valve — Honeywell VR8204/VR8304 FOR YOUR SAFETY READ BEFORE OPERATING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition C. Use only your hand to turn the gas control knob. Never use tools. If device which automatically lights the pilot. Do the knob will not turn by h
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s Information Manual User Operating instructions CGa-25 to CGa-6, EG-30 to EG-50, Spark-ignited pilot PEG-30 to PEG-50 Gas valve — White-Rodgers 36E FOR YOUR SAFETY READ BEFORE OPERATING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition C. Use only your hand to turn the gas control knob. Never use tools. If device which automatically lights the pilot. Do t
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Operating instructions CGa-7, CGa-8, EG-55 to EG-75, Spark-ignited pilot PEG-55, PFG-5 Gas valve — White-Rodgers 36C FOR YOUR SAFETY READ BEFORE OPERATING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition C. Use only your hand to depress or turn the gas control knob. Never device which automatically lights the pilot. Do use tools. If the knob will not depre
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s Information Manual User Operating instructions CGa-25 to CGa-6, EG-30 to EG-50, Spark-ignited pilot PEG-30 to PEG-50 Gas valve — Robertshaw 7200 FOR YOUR SAFETY READ BEFORE OPERATING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition C. Use only your hand to depress or move the selector arm. Never use device which automatically lights the pilot. Do tools.
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Operating instructions EGH-85 to EGH-125, PFG-6 to PFG-8 Spark-ignited pilot Gas valve — Robertshaw 7000DERHC FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition C. Use only your hand to turn the gas control knob. Never use tools. If device which automatically lights the pilot. Do the selector arm will not depress or move
