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Crown Boiler
BWC Series installation instructions Ladder Diagram
Models:
BWC Series
1
38
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Troubleshooting
Install
Parts list
Wiring Connections Diagram
Maintenance
IX Wiring
Outdoor Reset Curve
Vent / Intake System Assembly
Normal Display In Standby Mode
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Image 38
Figure 9.2: Ladder Diagram
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Image 38
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Contents
BWC Series
Page
VII
Product Description
II Specifications
III Before Installing
IV Locating the Boiler
Minimum Clearance To Combustible Material
Air for Ventilation
Page
VI Venting
Vent System Design
Horizontal 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
Vent / Intake System Assembly
Removing an Existing Boiler From a Common Chimney
7a 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
VII Gas Piping
Gas Connection To Boiler
System Design
General System Piping Precautions
Viii 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
For Your Safety Read Before Lighting
BWC Series Lighting and Operating Instructions
BWC Burner
Gas Valve Detail
Typical CO2/O2 Combustion Readings
Page
Normal Display In Standby Mode
XI Operation
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170
Boiler Status
First Digit Boiler Status
Outdoor Reset Curve
XII. Service and Maintenance
Continuously
Page
XIII. Troubleshooting
No Error Code Displayed
Soft Lockout Codes Displayed
Code Condition Possible Causes
Hard Lockout Codes Displayed
XIV Parts
BWC Replacement Parts List
TBD
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Ignition Electrode Gasket, 5mm 240011
Page
BWC Replacement Parts List
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PN 980040 BWC 08/05
