CGa,CGi,CGs,EG,EGH,LGB,PEG,PFGBoilers

Operating instructions

LGB

Spark-ignited pilot

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 does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

B.Before OPERATING, smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. See below.

C.Use only your hand to turn the operating control. Never use tools. If the operating control will not turn by hand, don't try to repair it, call a qualified service technician. Force or at- tempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control, which has been under water.

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electric 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.

TO PLACE IN OPERATION

1.Stop! Read the safety information above.

2.Turn operation control to OFF position or lowest position on dial. Be sure boiler has been correctly filled with water.

3.Turn off all electrical power to the appliance.

Main shutoff gas valve must be closed for at least five (5) minutes before lighting.

4.Move operating control to call for heat.

5.Open manual main shutoff gas valve.

6.Turn on electrical power to the appliance.

7.If boiler starts, go to Step 9. If boiler fails to start, go to Step 8.

8.If boiler fails to start, check:

a.Loose connection or blown fuse?

b.Limit setting below boiler water temperature or pressure?

c.Gas not turned on at meter?

d.Gas not turned on at boiler?

e.Operation safety devices not working or tripped?

Reset system by turning off and on main electrical switch. If above failes to eliminate the trouble, call a service technician.

9.Make sure boiler goes through several normal operating cycles.

10.Turn operating control to desired setting.

Gas supply

Manual main shutoff gas valve

Ground joint union

To gas valve and drip leg 59207

ANNUAL SHUTDOWN PROCEDURE

1.Close manual main shutoff valve.

2.Disconnect electrical power supply.

3.Move operating control indicator to low setting.

4.DO NOT drain system unless exposure to freezing temperatures will occur. If antifreeze is used with system, do not drain.

22

Part Number 550-110-592/1099

Page 22
Image 22
Weil-McLain CGa manual To Place in Operation, Annual Shutdown Procedure

CGa specifications

The Weil-McLain CGa is a highly efficient and reliable gas-fired boiler that has established itself as a favorite among homeowners and HVAC professionals alike. Known for its impressive performance and durability, the CGa series is designed to deliver comfort while optimizing energy consumption.

One of the main features of the Weil-McLain CGa is its efficiency. With an AFUE (Annual Fuel Utilization Efficiency) rating of up to 84%, this boiler efficiently converts gas into heat, ensuring minimal energy waste. This efficiency not only translates to cost savings on energy bills but also supports environmental sustainability through reduced emissions.

The CGa boilers are designed for versatility, capable of being used in various applications, including residential heating systems and light commercial settings. With a range of models available, the CGa can meet different heating demands, ensuring consistent comfort regardless of the building size or layout.

The boiler's built-in heating capabilities include the option for either hot water or steam heating, adding to its versatility. Weil-McLain offers multiple BTU outputs across the CGa series, allowing for a customized solution based on specific heating requirements.

State-of-the-art technologies are evident in the CGa's design. The integrated hot surface ignition system enhances start-up reliability, minimizing the risk of combustion issues and ensuring safe operation. Additionally, the unit features a standard draft diverter for efficient venting, allowing for optimal exhaust management within the heating system.

Durability is another key characteristic of the Weil-McLain CGa. Constructed from high-quality materials, these boilers are engineered to withstand the rigors of daily operation. The cast iron heat exchanger provides superior heat retention and longevity, ensuring that the system remains operational for years with proper maintenance.

Installation of the CGa boiler is straightforward due to its compact design and versatile venting options, which can accommodate various installation configurations. This ease of installation combined with a user-friendly interface allows homeowners and technicians alike to manage the system with minimal hassle.

In summary, the Weil-McLain CGa boiler epitomizes efficiency, durability, and versatility. Its advanced technologies and robust construction make it a top choice for those seeking a reliable heating solution for their homes or commercial spaces. With Weil-McLain's commitment to quality and innovation, the CGa series delivers performance that meets the diverse needs of today's heating applications.