GOLD CGa Gas-Fired Water Boiler — Boiler Manual

2e Prepare boiler — vent damper installation

These systems are used on gas-fired boilers with vent

DAMPERSPAS SHIPPEDPFROM FACTORY "OILER WILL NOTOOPERATER without vent damper installed.

Only vent dampers listed in the Replacement parts list ON PAGE  ARERCERTIlED FOROUSESWITH #'A'BOILERS !NYN

other vent damper installed could cause severe personal injury or death.

Damper blade

3TANDING PILOTL IGNITION SYSTEMS Refer to vent manufacturer’s instructions to install plug (shipped with damper) in damper hole. For standing pilot boil-

ers only, install PLUG WITH  v DIAMETER HOLE in vent

/

damper hole.

3PARKIGNITEDI PILOTL SYSTEMS Refer to vent man- ufacturer’s instructions to install plug (shipped with damper) in damper hole. For spark-ignited pilot boilers only, install PLUG WITH NO HOLE in vent damper hole.

Installation

1.Install vent damper horizontally or vertically as shown in vent damper manufacturer’s instructions.

6ENT DAMPER MUST BE INSTALLEDASO THAT IT SERVES ONLY one boiler and so damper blade indicator is visible to the user. See &IGURE .

2.Screws or rivets used to secure the vent damper to the draft hood must not interfere with rotation of the damper blade.

3.Install damper harness between damper actuator and knockout in jacket top panel. Use strain relief connectors and locknuts to secure both ends of damper harness.

Keep wiring harness clear of all hot surfaces.

Minimum clearances

0ROVIDEVAAMINIMUMIOF v BETWEENWTHEHVENT DAMPER ANDN any combustible material. (Provide a minimum of 36 " between jacket top and combustible ceiling.)

$O NOT modify draft hood or vent damper, or make an- other connection between draft hood and vent damper

OR BOILER EXCEPT AS NOTEDTBELOW 4HIS WILL VOID #3!3 certification and will not be covered by Weil-McLain warranty. Any changes will cause severe personal injury, death or substantial property damage.

Figure 8 Vent damper assemblies

4.Read and apply the harness plug warning label (shown above) so that it is visible after installa- tion.

5.Plug damper harness receptacle into damper harness plug.

"YPASSINGSJUMPERING EVENT DAMPER will cause flue products such as carbon monoxide to escape into the house. This will cause severe personal injury or death.

After boiler has operated once, if ei- ther end of harness is disconnected, the system safety shutdown will oc- cur. The boiler will not operate until harness is reconnected.

%FlKAL OR &IELDE#ONTROLSLDAMPER —

$AMPER HOLD OPEN SWITCH MUST BE in !UTOMATIC /PERATION position for system to operate properly.

Part Number 550-101-009/0107

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Weil-McLain CGA25SPDN manual 2e Prepare boiler vent damper installation, Damper blade, Installation, Minimum clearances
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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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