Crown Boiler BWC Series installation instructions 7a STAR-34 Connection to Vent Collar

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2)Assembly of Flex-L-Intl.Star-34 Vent System:

a)Star-34 General Notes:

•Do not cut Star-34 vent components.

•Support horizontal piping sections at intervals of 48” or less.

•Vertical venting systems must be supported by at least one Star-34 Fire stop. An additional vertical support is required after any offset.

•Orient Star-34 components so that the arrows on the piping labels are in the direction of flue gas flow.

b)Start assembly of the vent system at the boiler. Remove the hose clamp shipped on the BWC vent collar. Bend the three hose clamp tabs on this collar outward slightly.

c)Clean the exterior of the male end of the first piece of pipe and the inside of the vent collar on the boiler. Use a cleaner such as Methyl Ethyl Keytone (MEK) or naptha.

d)On the male end of the pipe, apply a ¼” wide bead of silicone approximately ¼” from the end of the pipe and another ¼” bead against the joint side of the stop bead (Fig 6.7a).

e)Insert the male end of the pipe into the boiler vent collar until it bottoms out.

f)Apply an additional bead of silicone over the outside of the joint and smooth out.

g)Replace and tighten the clamp on the vent collar.

h)Clean the female end of the first piece of pipe. Also clean the male end of the next piece of pipe.

i)Apply silicone as in step (d) (Fig 6.7b).

j)Align the longitudinal seams of the pipe and insert the male end of the second pipe into the female end of the first pipe.

k)Insert a Star-34 joiner band into the inlet of the beaded channel. Feed the joiner band in so that it makes its way around the channel and overlaps by approximately ½” (Fig 6.7b).

l)Cut the excess joiner band so that it lays flat in the beaded channel (Fig 6.7b).

m)Fill the inlet of the beaded channel with silicone. Smooth the silicone over the channel inlet as well as the silicone between the female end and the stop bead of the male end (Fig 6.7b).

n)Repeat Steps (h) – (m) for the remaining Star-34 components.

p) Allow the silicone to cure per the silicone manufacturer’s instructions before operating the boiler.

FIGURE 6.7a: STAR-34 CONNECTION TO VENT COLLAR

FIGURE 6.7b: STAR-34 CONNECTIONS

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Contents BWC Series Page VII II Specifications Product DescriptionIV Locating the Boiler III Before InstallingMinimum Clearance To Combustible Material Air for Ventilation Page Vent System Design VI VentingHorizontal Direct Venting Vent Options 1,2 2a Summary of Horizontal Venting Options 3c Positioning Vent Terminal Under Overhangs Vertical Direct Vent System Vent Options 6 2b Summary of Vertical Venting Options VENT/ AIR Intake Fitting Equivalent Length Removing an Existing Boiler From a Common Chimney Vent / Intake System Assembly7a STAR-34 Connection to Vent Collar Z-VENT III Connection to Vent Collar SAF-T Vent Ezseal Connection to Vent Collar 10 Fasnseal Connection to Vent Collar 11 Condensate Piping Arrangement Gas Connection To Boiler VII Gas PipingSystem Design General System Piping PrecautionsViii System Piping Method 1 Primary/Secondary Piping Boiler in Secondary Loop Piping Method #1 Heat Only 4a Piping Method #1 Secondary Loop Piping Shaded Pipe and Circulator Sizing for Boiler Loop Fitting Equivalent Lengths Method 2 Primary/Secondary Piping Boiler in Primary Loop Piping Method #2 Heat Only 10a Piping Method #2 Secondary Loop Piping Bolded Page Flow GPM Piping for Special Situations 14 Chiller Piping IX Wiring Wiring Connections Diagram Ladder Diagram Page Start-up and Checkout BWC Series Lighting and Operating Instructions For Your Safety Read Before LightingBWC Burner Typical CO2/O2 Combustion Readings Gas Valve DetailPage XI Operation Normal Display In Standby ModePage 170 First Digit Boiler Status Boiler StatusOutdoor Reset Curve Continuously XII. Service and MaintenancePage No Error Code Displayed XIII. TroubleshootingCode Condition Possible Causes Soft Lockout Codes DisplayedHard Lockout Codes Displayed XIV Parts BWC Replacement Parts List TBD Page Page Page Page Ignition Electrode Gasket, 5mm 240011 Page BWC Replacement Parts List Page Page Page Page Page PN 980040 BWC 08/05

BWC Series specifications

The Crown Boiler BWC Series is a modern choice for heating needs, renowned for its efficiency and robust design. This series offers a range of residential and light commercial heating applicabilities, ensuring both comfort and reliability for users.

One of the standout features of the BWC Series is its efficiency. Crown Boilers utilize advanced technologies to maximize energy output while minimizing fuel consumption. With an AFUE (Annual Fuel Utilization Efficiency) rating often exceeding 90%, users can expect significant cost savings on their energy bills over time.

The BWC Series employs a high-quality, stainless steel heat exchanger, which not only enhances performance but also extends the lifespan of the boiler. This heat exchanger is designed to transfer heat efficiently, ensuring that the maximum amount of energy from the fuel is converted into usable heat. Additionally, the design helps to prevent corrosion and maintain system integrity over years of usage.

For technological advancements, the BWC Series incorporates a modulating gas valve which allows for precise control over the boiler's operation. This feature enables the system to adjust its output based on the heating demands of the home, resulting in improved energy efficiency and consistent comfort levels. Moreover, this modulating technology reduces the frequency of cycling, thereby prolonging the lifespan of the unit and minimizing wear and tear.

Another characteristic of the Crown Boiler BWC Series is its user-friendly interface. The boiler is equipped with a simple control panel that allows for easy monitoring and adjustment of settings. This accessibility is essential for users who want to manage their heating system without the need for extensive technical knowledge.

In terms of installation and maintenance, the BWC Series is designed with convenience in mind. Its compact footprint allows it to fit comfortably in a variety of spaces, making it an ideal choice for homes with limited installation areas. Additionally, Crown Boiler's commitment to high manufacturing standards ensures that the units require minimal maintenance, providing peace of mind to homeowners.

Overall, the Crown Boiler BWC Series is an excellent solution for those seeking efficient, reliable heating. Its combination of advanced technology, quality construction, and user-friendly design makes it an attractive option for any residential or light commercial application. Whether replacing an old system or installing a new one, the BWC Series delivers comfort and performance that can be depended upon.
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