Weil-McLain Series 2 3f Venting direct exhaust installation, Direct exhaust vertical venting

Page 18

GOLD CGi Gas-Fired Water Boiler — Boiler Manual

3f Venting — direct exhaust — installation

1. Do not mix types or manufacturers of vent materi-

Figure 13  Direct exhaust vertical venting

als.

 

2. Clean all joints before sealing. See vent manufactur-

 

er’s instructions for cleaning and sealing joints. Use

 

their specified sealant. Do not use screws.

 

3. Install vent pipe with seams on top of vent horizon-

 

tal runs. Follow requirements in Section 3e for vent

 

termination.

 

4. Maintain minimum 2” clearance from combustible

 

materials to vent pipe.

 

5. Vertical venting — See Figure 13. Follow vent

 

manufacturer’s instructions for venting through

 

roof.

 

• Vent pipe must extend through roof flashing,

 

jacket or thimble.

 

• Vent may pass through floor, inside wall or

 

concealed space when installed according to

 

vent manufacturer’s instructions.

 

Sidewall venting — See Figures 14 and 15.

 

Vent must terminate at least one foot above

 

anticipated snowline. Vent must be terminated

 

only with:

 

• Tee or elbow with integral screen. (Tee may be

 

mounted either vertically or horizontally. DO

 

NOT use horizontal tee with CGi-7 or CGi-8.)

 

• Elbow and termination coupling with screen

 

(not available for StaR-34).

 

6. Do not seal vent pipe (slip connector for Saf-T Vent)

 

to inside or outside plate.

 

7. If passing through noncombustible wall, provide

 

hole diameter large enough to insert the vent pipe

 

Figure 14  Direct exhaust sidewall venting

(slip connector for Saf-T Vent).

 

8. Install horizontal drain tee as close as possible

 

to boiler, in first horizontal run. See Figures 13

 

and 14.

 

9. Do not exceed the maximum vent system length

 

given in Table 4, page 15.

 

Condensate drain line — use only silicone tubing rated

 

for at least 400°F for the first 18” of condensate drain

 

line, then other non-metallic tubing may be used. Us-

 

ing any other material could cause flue gas leakage,

 

potentially resulting in severe personal injury, death or

 

substantial property damage.

 

On some installations, the condensate drain fitting may be omitted, provided:

•Vent manufacturer shows this option in their instruc- tions.

•Vent is sloped toward termination as shown in dotted lines in Figure 14.

•The vent is installed per Weil-McLain and vent manufacturer’s instructions.

•Condensate drippage from such vents may accumu- late on the ground below. Consider traffic in the area to avoid hazard due to ice accumulation.

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Part Number 550-110-710/0107

 

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Contents Gold CGi How it works Gold CGi Gas-Fired Induced-Draft Water Boiler Contents Please read before proceeding 1a Prepare boiler location codes & checklist Installations must follow these codesBefore locating the boiler, check the following 1b Prepare boiler location clearances When removing boiler from an existing common vent system 1c Prepare boiler location vent systemChimney or vent require- ments 1d Prepare boiler location air contamination Products to avoidAir opening options 1e Prepare boiler location air openingsAir openings must be provided Two openings Air supply from inside the buildingSingle air opening option Exhaust fans and air moversMotorized air dampers Exception for large spacesPlace boiler/crate near position 2a Prepare boiler placement & setupOrifice replacement procedure Inspect orifices and burnersDrain and remove fittings 2b Prepare boiler pressure testHydrostatic pressure test Prepare boiler for testCGi venting methods Chimney draft or Direct exhaust 3a Venting general informationVenting chimney draft venting Chimney draft venting3c Venting Direct exhaust components Obtain vent system components3d Venting direct exhaust vent starter 3e Venting direct exhaust termination Vent termination minimum clearances3f Venting direct exhaust installation Direct exhaust vertical ventingUsing any termination other than one of those shown 4a Water piping general information 4b Water piping single-zone system Diaphragm-type or bladder- type expansion tank FigureClosed-type expansion tank 4c Water piping multiple zones Piping multiple zonesZoning with circulators Valve adjustment 4d Piping low temperature systemsTemperature gauges Primary/secondary preferred bypass piping methodPrimary/secondary piping Valve adjustment BOILER-bypass piping methodBoiler-bypass piping Zoning with SYSTEM-bypass piping method 4e Water piping refrigeration system Prevent chilled water from entering boilerNatural Gas Connecting gas supply piping to boilerGas piping Propane GasWiring connections Field wiringElectrical installation must comply with ThermostatCheck for gas leaks Freeze protection when used7a Start-up preparation Determine if water treatment is neededFill the system with water Inspect system water pipingInspect base insulation 7b Start-up operate boiler Start the boilerCheck system and boiler Check for 7c Start-up if boiler doesn’t startCheck burner flames Pilot burner flame FigureCheck-out procedure checklist Installation and service certificate9a Operation sequence 9b Operation wiring diagrams Schematic wiring diagramLadder wiring diagram 9c Operating instructions CGi-25 to CGi-6 9c Operating instructions CGi-25 to CGi-6 9c Operating instructions CGi-25 to CGi-8 10a Service and maintenance schedule Verify Proper Operation After Servicing10b Service and maintenance annual start-up Condensate drain system 10b Service & maintenance annual start-upBurners and base Inducer motorAir vents and air elimination Gas pipingCold fill and operating pressures Limit controls and cutoffsReview with owner Boiler relief valveBefore troubleshooting 11a Troubleshooting procedure11b Troubleshooting components Air pressure switchControl indicator lights Lockout modes Control indicator lightsTroubleshooting the control module Control moduleControl module connections 11c Troubleshooting control module lights Chart 1- Troubleshooting Power light statusChart 2 Tstat Circ & Power lights flashing Chart 3 Press Switch & Power lights flashing Chart 4 Flame & Power lights flashing Does blower motor operate? Item 8 , Verify Sequence 12a Replacement parts Section assembly Base Jacket Trim Controls12b Replacement parts section assembly Section assembly12c Replacement parts base Base assemblyDescription Weil-McLain Part number 12d Replacement parts jacket Jacket assemblyBoiler 12e Replacement parts trim Fittings shown are included with boiler12f Replacement parts controls Propane gas components13a Dimensions Dimensional drawing13b Ratings DOEHandling ceramic fiber and fiberglass materials Removal of Combustion Chamber Lining or Base Panels
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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.

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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.

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