GOLD CGi-4E Gas-Fired Water Boiler — Boiler Manual

11c Troubleshooting — control module lights (cont.)

CHART 4 FLAME & POWER lights flashing

— Usually indicates flame sensed when it shouldn't be there —

Electrical shock hazard — Wherever you see TURN OFF POWER, follow the instructions. Failure to follow instructions could result in severe personal injury, death or substantial property damage.

Are manual main shutoff valve and gas valve open?

No

Yes

• Leave main manual gas valve closed.

 

 

 

• Turn off power to the boiler at service switch or breaker.

 

 

 

• Wait at least 45 seconds.

 

 

• Turn off power to boiler at service switch or breaker.

 

 

 

 

• Turn on power to boiler.

 

 

• Wait at least 45 seconds.

 

 

 

 

 

 

 

 

• Restart boiler, following Operating instructions in this

• Turn on power to boiler.

 

 

 

 

 

 

manual (Section 9c).

 

 

• Restart boiler, following Operating instructions in this

 

 

 

 

• Look through the pilot inspection port to see if the pilot is

manual (Section 9c).

 

 

 

 

 

 

burning during the prepurge period (first 30 seconds of

Do FLAME and POWER lights still flash?

 

 

operation).

 

 

 

 

 

 

 

 

Is pilot burning during prepurge period?

No

 

 

Yes

 

 

 

 

 

 

 

No

 

Yes

 

 

 

 

 

 

 

 

 

Replace control module.

Retest.

 

 

 

• Allow boiler to continue cycling.

 

Replace gas valve.

 

 

 

 

 

 

 

 

Retest boiler.

 

 

 

 

 

 

 

 

Are FLAME & POWER lights flashing?

 

 

 

 

 

 

 

 

 

 

 

Are FLAME and POWER lights flashing?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

Yes

 

 

No

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TURN OFF POWER

 

Boiler may now be

 

Replace control

 

Boiler should now

 

Replace control

 

 

operating

 

 

module.

 

 

operate normally.

 

 

module.

 

to boiler at service switch

 

 

 

 

 

 

 

 

 

 

 

normally.

 

 

 

 

 

 

 

 

 

 

 

 

 

or breaker.

 

 

 

Retest.

 

Original flashing

 

Retest.

 

 

 

 

 

 

 

 

Open main manual gas

 

Perform start-up

 

 

 

 

 

 

FLAME light

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

valve.

 

 

procedures in

 

 

 

 

 

 

caused by gas

 

 

 

 

• Turn on power to boiler

 

 

boiler manual to

 

 

 

 

 

 

valve not

 

 

 

 

 

at service switch or

 

 

verify proper

 

 

 

 

 

 

operating properly.

 

 

 

 

 

breaker.

 

 

operation.

 

 

 

 

 

See normal

 

 

 

 

• Restart boiler per lighting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

instructions.

 

 

 

 

 

 

 

 

 

 

sequence of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Perform start-up

 

 

 

 

 

 

 

 

 

 

operation,

 

 

 

 

 

procedures in boiler

 

 

 

 

 

 

 

 

 

 

Figure 30,

 

 

 

 

 

manual to verify proper

 

 

 

 

 

 

 

 

 

 

page 39.

 

 

 

 

 

operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54

Part Number 550-110-711/1108

 

Page 54
Image 54
Weil-McLain CGI-4E manual Chart 4 Flame & Power lights flashing

CGI-4E specifications

The Weil-McLain CGI-4E is a standout in the realm of commercial boilers, designed to meet the rigorous demands of a variety of heating applications. This gas-fired cast iron boiler exemplifies durability, efficiency, and performance, making it a popular choice in various commercial settings, including schools, hospitals, and office buildings.

One of the main features of the CGI-4E is its cast iron construction. Cast iron has long been favored for its excellent heat retention and distribution capabilities, leading to improved overall efficiency. The boiler is designed to maximize heat output while minimizing energy consumption. This characteristic is especially beneficial for businesses seeking to lower their energy costs without sacrificing comfort.

In terms of efficiency, the Weil-McLain CGI-4E boasts an impressive thermal efficiency rating. Its design incorporates advanced technology, allowing it to achieve an AFUE rating of up to 84%. This efficiency is achieved through features such as a full-modulating burner and a unique heat exchanger design that allows for optimal heat transfer and reduced flue gas temperatures.

The CGI-4E is also remarkable for its versatility. It is offered in a variety of sizes, making it suitable for different heating loads. This flexibility allows for installation in a wide range of environments, adapting easily to both existing and new heating systems. Additionally, the boiler comes with multiple venting options, including direct vent and conventional venting, further enhancing its installation flexibility.

Another standout feature is the integrated boiler control system, which simplifies operation and monitoring. This control system optimizes burner performance and enhances safety features, including automatic shut-off in case of system anomalies. The advanced controls also allow for easy integration with building management systems, enabling better energy management and reduced operational costs.

The CGI-4E also emphasizes ease of maintenance, with service-friendly designs that allow technicians to access components without difficulty. This consideration translates to reduced downtime and lower maintenance costs, ensuring that the boiler operates efficiently over its lifetime.

Overall, the Weil-McLain CGI-4E blends reliability, efficiency, and advanced technology, making it a premier choice for commercial heating needs. Its cast iron construction, impressive efficiency ratings, versatile installation options, and user-friendly controls solidify its reputation as a leading boiler solution in the industry.