GOLD CGi Gas-Fired Water Boiler — Boiler Manual

11c Troubleshooting — control module lights

CHART 1— Troubleshooting POWER light status

— Usually indicates reversed 120 VAC polarity if POWER light flashes by itself —

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.

Is POWER light off?

No

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

Is POWER light ...

 

 

 

 

 

 

Flashing

Flashing with

On steady

alone

another light

(not flashing)

 

 

 

 

 

 

 

 

 

 

 

 

 

TSTAT CIRC

Chart

 

 

 

light flashing

2

 

 

 

 

 

 

 

 

 

 

 

 

PRESS SWITCH

Chart

Chart

 

light flashing

3

5

 

 

 

 

 

 

 

FLAME

Chart

Chart

 

light flashing

4

6

 

 

 

 

 

 

For insufficient heat or no heat problem, go to Chart 7 if POWER light is on steady, with no other light flashing.

•Make sure service switch or circuit breaker is on or fuses are good.

•Remove 120 VAC IN plug (Figure 38, Item 3, page 50) on control module.

•Using voltmeter, check across top and bottom pins of

120 VAC IN plug.

Does voltmeter indicate 120 VAC?

No

Yes

 

 

Problem is with incoming electricity. Have licensed electrician repair circuit.

•Reconnect 120 VAC IN plug.

•Remove 120 VAC IN transformer PRIMARY plug (Figure 38, Item 2, page 50) on control module.

•Using voltmeter, check across top and bottom pins of PRIMARY receptacle.

Does voltmeter indicate 120 VAC?

No

Yes

 

 

•Usually indicates polarity on incoming 120 VAC power line is wrong.

•▲TURN OFF POWER▲ at service switch or breaker, then reverse the HOT and NEUTRAL wires entering the boiler in the J-box.

•Restore POWER at service switch or breaker.

Is POWER light flashing now?

No

Yes

 

 

 

 

 

Have system checked by a

 

 

licensed electrician. If

 

 

problem persists, call your

Boiler should now

 

local Weil-McLain sales

operate normally.

 

representative.

 

 

 

Replace control module.

Retest.

•Reinstall 120 VAC transformer PRIMARY plug.

•Remove 24 VAC transformer plug (Figure 38, Item 5, page 50) on control module.

•Using voltmeter, check pins of plug.

Does voltmeter indicate 24 VAC?

No

 

Yes

 

 

 

 

 

 

 

 

 

 

Replace transformer.

 

 

 

Retest and check for back

 

 

 

feed of voltage from

 

Replace control module.

system wiring.

 

Retest.

 

 

 

 

 

Part Number 550-110-710/0107

51

 

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Weil-McLain Series 2 manual 11c Troubleshooting control module lights, Chart 1- Troubleshooting Power light status
Page 50 Page 52

Series 2 specifications

The Weil-McLain Series 2 is a highly regarded boiler system known for its robustness, efficiency, and ease of installation. Designed primarily for residential and light commercial applications, the Series 2 boasts a variety of features that cater to diverse heating needs.

One of the standout characteristics of the Series 2 is its cast iron construction, which provides durability and longevity. Cast iron is well-suited for heat retention, allowing the boiler to operate more efficiently and deliver consistent warmth. The Series 2 is available in multi-fuel options, accommodating both natural gas and propane, making it versatile for various installations.

Efficiency is a key feature of the Weil-McLain Series 2, with annual fuel utilization efficiency (AFUE) ratings that meet or exceed industry standards. This ensures that homeowners can enjoy not only a comfortable living environment but also reduced energy bills. The Series 2 is designed to provide optimal performance, minimizing fuel consumption while maximizing heat output.

Another innovative aspect of the Series 2 is its user-friendly control system. Equipped with advanced controls, the boiler allows for precise temperature management and can easily be integrated with existing heating systems. This adaptability is crucial for ensuring that the boiler matches the specific heating demands of any space, increasing overall comfort levels.

Installation is straightforward, thanks to the boiler's thoughtful design. The Series 2 features a compact footprint, allowing for flexible placement in various settings. Additionally, Weil-McLain provides comprehensive documentation and customer support, making it easier for technicians to install and maintain the system.

The Series 2 also includes features aimed at ease of maintenance. Its clean-out ports facilitate quick access for servicing, ensuring that the boiler remains in peak operating condition throughout its lifespan. Weil-McLain’s commitment to quality means users can expect reliable performance year after year.

Overall, the Weil-McLain Series 2 stands out as an excellent choice for those seeking a dependable, efficient, and straightforward heating solution. Its combination of durable construction, high efficiency, and user-centric design makes it a leading option in the boiler market, appealing to both homeowners and professionals alike. Whether for a new installation or a replacement, the Series 2 is poised to deliver exceptional heating performance.
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