GOLD CGa Gas-Fired Water Boiler — Boiler Manual

10b Service & maintenance – annual start-up (cont.)

OInspect . . .

Boiler heating surfaces

 $ISCONNECT THEHVENT PIPE AT THEHBOILER DRAFTAHOOD and remove draft hood after turning off power to the boiler.

2.Use a bright light to inspect the boiler flue collector and heating surfaces.

3.If the vent pipe or boiler interior surfaces show evidence of soot, follow #LEANING BOILER HEATINGT SURFACES in this manual section. Remove the flue collector and clean the boiler if necessary after closer inspection of boiler heating surfaces.

4.If there is evidence of rusty scale deposits on boiler surfaces, check the water piping and control system to make sure the boiler return water temperature is properly maintained (per this manual).

5.Reconnect vent and draft hood. Replace all boiler components before returning to service.

 #HECKEINSIDE ANDNAROUND BOILER FOROEVIDENCE OF ANYN

leaks from the boiler. If found, locate source of leaks

and repair."URNERSNANDRBASE

The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions on PAGE  of this manual. Fail- ure to comply could result in severe personal injury.

2.Inspect burners and all other components in the boiler base.

3.If burners must be cleaned, raise rear of each burner to release from support slot, slide forward and remove. Then brush and vacuum the burners thoroughly, making sure all ports are free of debris.

#AREFULLYFREPLACELALLLBURNERS MAKING SURE BURNER with pilot bracket is replaced in its original position and all burners are upright (ports up).

4.Inspect the base insulation.

a.Pay attention to the 7!2.).'3)on page 68 regarding working with insulation materials.

B 6ERIFY THATYTHETINSULATION ISEINTACT AND SECUREI

against all four sides of the base.

OService . . .

Oiled-bearing circulators

 4HEHCIRCULATOR SHIPPEDPWITH THEH#'A'BOILER IS WATER LUBRICATEDC.O OILINGIS REQUIRED

 #HECKE OTHERH CIRCULATORSL IN THEH SYSTEMT /ILI ANY

circulators requiring oil, following circulator man- ufacturer’s instructions. Over-oiling will damage the circulator.

OStart-up . . .

1.Perform all start-up procedures given in Section  of this manual.

If insulation is damaged or displaced, do not operate the boiler. Replace or reposi- tion insulation as necessary. Failure to replace damaged insulation can result in a fire hazard, causing severe person- al injury, death or substantial property damage.

1.After turning off power to the boiler, remove the jacket door and base access panel (&IGURE , item , page 62).

 6ERIFY COLD lLLL PRESSURE is correct and that fill system is working properly.

 6ERIFY ANTIFREEZEELEVEL (if used) is at the right con- centration and that inhibitor level is correct.

4.#HECKKGASAPIPING, per manual Sections  and 6, verifying no indications of leakage and all piping and connections are in good condition.

5.Read the ,IGHTING OR /PERATINGA INSTRUCTIONS

(manual Section OR ) applying to the boiler.

6.Start the boiler following appropriate ,IGHTING OR /PERATINGAINSTRUCTIONS (manual Section OR ).

46

Part Number 550-101-009/0107

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Weil-McLain CGA25SPDN manual Boiler heating surfaces, Oiled-bearing circulators, Repair.URNERSNANDRBASE
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CGA25SPDN specifications

The Weil-McLain CGA25SPDN is a high-efficiency gas-fired boiler designed to deliver dependable heating performance while maintaining a strong focus on energy savings and user-friendly operation. Ideal for residential applications, this boiler is engineered to provide consistent warmth and comfort in homes with various heating demands.

One of the main features of the CGA25SPDN is its durable construction. Built with high-quality materials, this boiler is designed to withstand the rigors of frequent operation while maximizing longevity. It features an advanced cast iron heat exchanger that efficiently transfers heat to the water, resulting in lower energy costs and improved overall performance.

Efficiency is a key characteristic of the Weil-McLain CGA25SPDN. Its design promotes efficient combustion, allowing for a higher Annual Fuel Utilization Efficiency (AFUE) rating. With an AFUE rating of up to 82%, this boiler ensures that more of the fuel used is converted into usable heat, which translates to reduced energy bills for homeowners.

The boiler exhibits a user-friendly control system that allows for easy operation and maintenance. It comes equipped with an integrated vent damper that maximizes efficiency by reducing heat loss during standby periods. Additionally, the CGA25SPDN features an adjustable thermostat, enabling homeowners to customize their heating preferences easily.

Another significant feature of the CGA25SPDN is its versatility. The boiler is compatible with various heating applications, including hot water heating systems and home heating configurations. This adaptability makes it a great choice for both new installations and retrofitting existing systems.

Safety is always a concern with gas-fired appliances, and the Weil-McLain CGA25SPDN addresses this through its advanced safety mechanisms. The boiler incorporates safety controls that prevent overheating and ensure proper operation, providing peace of mind to homeowners.

In summary, the Weil-McLain CGA25SPDN stands out as a reliable and efficient heating solution for residential settings. With its durable construction, high-efficiency performance, user-friendly controls, and impressive safety features, it is an exceptional choice for those seeking a dependable gas-fired boiler that meets modern heating demands while keeping energy costs in check. Homeowners can trust the Weil-McLain CGA25SPDN for warmth and comfort through the cold months.
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