Table of Contents
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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.
•
Do not try to light any appliance.
•
Do not touch any electrical switch; do not use any phone in your
building.
•
Immediately call your gas supplier from a neighbor's phone. Follow
the gas supplier's instructions.
•
If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service
technician or the gas supplier.
CGa
EG
Series 5,
LGB
Gas-Fired Boilers
Information
INSTALLER:
Please take time to review this User's information
Manual with the boiler owner. Explain all maintenance
and service procedures and the correct Operating
Instructions.
WHAT TO DO IF YOU SMELL GAS
CGi
Series 2,
EGH
PEG
Series 2,
User's
Manual
Series 3,
Series 5,
5
Series
Part Number 550-142-801/1112
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Table of Contents
Related Manuals for Weil-McLain CGa Series 2
Summary of Contents for Weil-McLain CGa Series 2
- Page 1 Series 2, Series 3, Series 5, Series 5, Series 2, Series Gas-Fired Boilers User’s Information Manual INSTALLER: Please take time to review this User’s information Manual with the boiler owner. Explain all maintenance and service procedures and the correct Operating Instructions.
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Page 2: Hazard Definitions
CGa, CGi, EG, EGH, LGB, PEG, Boilers Please read this page first How to use this To . . . Read/Use . . . Pages . . . manual . . . Learn 1, 2 and 3 Warnings and definitions precautions Read list of air contaminants you must avoid. -
Page 3: Air Contamination
User’s Information Manual ST O P ! ! — 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 areas listed in table at right before installing boiler. -
Page 4: Boiler Components
CGa, CGi, EG, EGH, LGB, PEG, Boilers Boiler components Gas valve Pilot burner Main burner Gas manifold/orifices Control module Inducer (CGi only) Vent damper (CGa only) Water temperature sensor Transformer Spill switch (CGa only) Air pressure switch (CGi only) Rollout thermal fuse element Draft hood (CGa only) Circulator Relief valve... - Page 5 User’s Information Manual EG/EGH Gas valve Pilot burner Main burner Gas manifold/orifices Control module Vent damper Transformer Spill switch Rollout thermal fuse element Low water cutoff (steam boilers) Limit control(s) Draft hood Circulator Gauge (pressure or pressure/temperature) Gauge glass (steam only) Part Number 550-142-801/1112...
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Page 6: Service Technician
Lowering the differential will cause a Weil-McLain tankless heaters are rated at 200 °F boiler slight variation in water temperature but will decrease water temperature. To get rated output, set low limit at burner on-off cycling. -
Page 7: User Maintenance Procedures
User’s Information Manual User maintenance procedures Boiler must be serviced & maintained The boiler should be inspected and started annually, at The following information provides the beginning of the heating season, only by a qualified detailed instructions for completing service technician. In addition, the maintenance and the maintenance items listed in care of the boiler designated on page 6 and explained the maintenance schedule, page 6. -
Page 8: Air Openings
CGa, CGi, EG, EGH, LGB, PEG, Boilers 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. -
Page 9: Check Condensate Drain
User’s Information Manual Check monthly ....❏ Automatic air vents (if used) Main burner flame Proper Figure 6 main burner flame (see Figure 4 1. See 1. - Page 10 CGa, CGi, EG, EGH, LGB, PEG, Boilers ❏ 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. Probe type—...
- Page 11 User’s Information Manual ❏ ❏ Service periodically Service every 6 ..months ..continued Clean gauge glass Operate boiler relief valve Normal waterline on a steam boiler is halfway up gauge glass. See To avoid water damage or scalding due to Figure 9.
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Page 12: Operating Instructions
CGa, CGi, EG, EGH, LGB, PEG, Boilers End-of-season shutdown ..❏ Follow boiler shutdown procedure TO TURN OFF GAS TO APPLIANCE 1. Follow “ ” on the 2. Do not drain system unless exposure to freezing Operating instructions on the inside of the jacket temperatures will occur. -
Page 13: For Your Safety Read Before Operating
User’s Information Manual Operating instructions CGa, EG-30 to EG-75, PEG-30 to PEG-55, • Spark-ignited pilot • 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. - Page 14 CGa, CGi, EG, EGH, LGB, PEG, Boilers 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.
- Page 15 User’s Information Manual Operating instructions CGa-7, CGa-8, EG-55 to EG-75, • Spark-ignited pilot PEG-55, • 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.
- Page 16 CGa, CGi, EG, EGH, LGB, PEG, Boilers Operating instructions CGa-25 to CGa-6, EG-30 to EG-50, • Spark-ignited pilot PEG-30 to PEG-50 • Gas valve — Robertshaw 7200 Part Number 550-142-801/1112...
- Page 17 User’s Information Manual Operating instructions EGH-85 to EGH-125, • Spark-ignited pilot • Gas valve — Robertshaw 7000DERHC Part Number 550-142-801/1112...
- Page 18 CGa, CGi, EG, EGH, LGB, PEG, Boilers Operating instructions • Spark-ignited pilot • Gas valve — Honeywell VR8204/VR8304, White-Rodgers 36C and 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.
- Page 19 User’s Information Manual Operating instructions • Spark-ignited pilot Part Number 550-142-801/1112...
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Page 20: Common Problems And Solutions
Fill to correct pressure. Check for leaks in boiler or piping. Have qualified service technician repair at once. High limit set too low Adjust high limit to higher setting. Weil-McLain 500 Blaine Street Michigan City, IN 46360-2388 http://www.weil-mclain.com Part No. 550-142-801/1112...