Weil-McLain CGA25SPDN manual 12d Replacement parts jacket, Igure R Jacket assembly

Page 63

GOLD CGa Gas-Fired Water Boiler — Boiler Manual

12d Replacement parts — jacket

&IGURE R Jacket assembly

 

1

 

2

 

3

4

 

 

 

 

 

 

 

 

 

 

Junction box, 2 x 4

Jacket panel, left side, with insulation

Jacket panel, right

Jacket panel,

 

 

 

 

 

 

side, with insula-

top front

 

 

 

Natural Gas

Propane Gas

Natural Gas

tion

 

 

Boiler

 

Standing Pilot

Standing Pilot

Spark Pilot

 

 

Boiler

 

 

 

 

 

 

Model

 

 

Weil-McLain part number

 

 

Model

 

 

 

 

 

 

 

 

CGa-25

(Available at local

381-355-400

381-355-445

381-355-466

381-355-699

381-355-403

CGa-25

CGa-3

supply house)

381-355-407

381-355-448

381-355-470

381-355-699

381-355-403

CGa-3

CGa-4

 

381-355-410

381-355-451

381-355-473

381-355-699

381-355-413

CGa-4

CGa-5

 

381-355-417

381-355-454

381-355-477

431-223-311

381-355-420

CGa-5

CGa-6

 

381-355-424

381-355-457

381-355-481

431-223-311

381-355-427

CGa-6

CGa-7

 

381-355-431

381-355-460

381-355-485

431-223-311

381-355-434

CGa-7

CGa-8

 

381-355-438

381-355-463

381-355-489

431-223-311

381-355-441

CGa-8

 

 

 

 

 

 

 

 

 

5

6

7

8

9

10

 

 

 

 

 

 

 

 

 

 

Jacket panel,

Jacket panel,

Jacket cross tie,

Jacket panel,

Jacket panel,

Not shown — gold

 

Boiler

top rear

door

bottom front

interior

rear

touch-up paint

Boiler

 

 

 

 

 

 

Model

 

 

Weil-McLain part number

 

 

Model

 

 

 

 

 

 

 

 

CGa-25/3

381-355-404

381-355-406

431-223-325

381-355-405

431-223-300

592-000-000

CGa-25/3

CGa-4

381-355-414

381-355-416

431-223-326

381-355-415

431-223-301

 

CGa-4

CGa-5

381-355-421

381-355-423

431-223-327

381-355-422

431-223-302

 

CGa-5

CGa-6

381-355-428

381-355-430

431-223-328

381-355-429

431-223-303

 

CGa-6

CGa-7

381-355-435

381-355-437

431-223-329

381-355-436

431-223-304

 

CGa-7

CGa-8

381-355-442

381-355-444

431-223-330

381-355-443

431-223-305

 

CGa-8

 

 

 

 

 

 

 

 

Part Number 550-101-009/0107

 

 

 

 

 

63

Image 63
Contents Gold CGa Other boiler components How it worksGold CGa Gas-Fired Water Boiler Contents Installer Please read before proceedingUser Ss .ATIONAL %LECTRICAL%#ODE 1a Prepare boiler location codes & checklistInstallations must follow these codes Before locating the boiler, check the followingFoundation Residential garage installationsMinimum dimensions are v Length by 1b Prepare boiler location clearancesLine chimney with corrosion-resistant metal When removing boiler from an existing common vent system1c Prepare boiler location vent system Chimney or vent require- mentsProducts to avoid 1d Prepare boiler location air contaminationTo a, THEHBOILER #HECKETHEHBOILER Placementecompared1e Prepare boiler location air openings Air openings must be providedException for large spaces Exhaust fans and air moversMotorized air dampers Single air opening optionInspect orifices and burners 2a Prepare boiler placement and setupOrifice replacement procedure Place boiler/crate near positionPrepare boiler for test 2b Prepare boiler pressure testHydrostatic pressure test Drain and remove fittingsSpill switch installation Prepare boiler draft hood & spill switchPrepare boiler install vent piping Draft hood installationMinimum clearances 2e Prepare boiler vent damper installationInstallation Damper blade3a Water piping general information 3b Water piping single-zone system Diaphragm-type or bladder- type expansion tank FigureClosed-type expansion tank Piping multiple zones 3c Water piping multiple zones3c Water piping multiple zones Primary/secondary preferred Bypass piping method 3d Piping low temperature systemsTemperature gauges Valve adjustment Figures 13 and 14 onlyLendetemperaturemgauge Oiler Isolation BALANCING ValvesONE Valve $RAINAVALVE BOILER-bypass piping method Valve adjustment13 !IRISEPARATORRANDNAUTOMATICMVENT NIF Used .OTEOTHAT Theh SYSTEM-bypass piping method Gold CGa Gas-Fired Water Boiler Boiler Manual Propane Gas Gas pipingConnect gas supply piping to boiler Natural GasAtional %LECTRICAL #ODE !.3.&0! LATESTA EDI- tion Field wiringInstallation must comply with Wiring connectionsVerify water chemistry Freeze protection when used6a Start-up preparation Check for gas leaks Determine if water treatment is needed #LOSEOZONE Isolation VALVES Fill the system with waterInspect system water piping Inspect base insulation6b Start-up operate boiler Efore STARTINGSTHEABOILER NDO the FOLLOWINGSs 6ERIFY the Boilerhand System are Full Oflwater Check for 6c Start-up if boiler doesn’t startStart the boiler Check system and boilerCheck vent system operation 6d Start-up verify operationCheck burner flames Check vent damper operation #ALCULATEUGASAINPUT Check-out procedure checklistOO Utton Onospilloswitch PUSHEDLIN OO !IRIPURGED FROMGSYSTEMMain ignited until thermostat circuit or limit circuit 8a Operation standing pilot boilers8b Lighting instructions CGa-25 to CGa-8 8b Lighting instructions CGa-25 to CGa-8 Damper is de-energized, and cycles to closed posi 9a Operation spark-ignited pilot boilersGAS mOWSSTO Pilot or Main GAS VALVE #ALL for HEATHthermostat circuit closes9a Operation spark-ignited pilot system Schematic wiring diagram Spark-ignited pilot systemLadder wiring diagram Spark-ignited pilot system 9b Operating instructions CGa-25 to CGa-8 9b Operating instructions CGa-25 to CGa-6 9b Operating instructions CGa-25 to CGa-6 9b Operating instructions CGa-7 to CGa-8 10a Service and maintenance schedule Service technicianOwner maintenance 10b Service & maintenance annual start-up Boiler heating surfaces Oiled-bearing circulatorsRepair.URNERSNANDRBASE Limit controls and cutoffs Gas pipingCold fill and operating pressures Air vents and air eliminationBoiler relief valve Safety relief valves should beFollowing installation, the valve Review with owner11a Troubleshooting procedure Before troubleshooting #ONTINUITY CHECKER  ASAPRESSURES Check the followingEvent of vent damper failure Effikal or Field Controls damperChart 1 Standing pilot Boiler will not fire 11b Troubleshooting standing pilot boilersTroubleshooting the control module 11c Troubleshooting spark-pilot boilersControl indicator lights Lockout modes Control indicator lights NON-LOCKOUT modes11c Troubleshooting spark-pilot boilers Tstat Circ Usually indicates 48 VAC on thermostat circuit stray voltage Chart 4 Spark-ignited pilot Damper light flashing Chart 5 Spark-ignited pilot Flame & Power lights flashing Item 8 , Verify Sequence Section assembly Base Jacket Trim Controls 12a Replacement partsPart number 12b Replacement parts section assemblyIgure R Base assembly, manifold, orifices and burners 12c Replacement parts baseIgure R Jacket assembly 12d Replacement parts jacketIgure R Trim assembly 12e Replacement parts trimIgure R Gas control assembly 12f Replacement parts controls13a Dimensions DOE 13b RatingsSs 5SES E./3 .CERTIlED Dust Crespirator E.  Handling ceramic fiber and fiberglass materialsJobosite CONDITIONS #URRENT ./3 Recommen REATHING H&RESHGAIR

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.