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Installation instructions manual
Table Of Contents - Crown Boiler BWC Series Installation Instructions Manual
Bwc series high effi ciency gas-fired hot water direct vent condensing boilers
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Also See for BWC Series
:
User's information manual
(10 pages)
,
Service supplement manual
(17 pages)
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Table Of Contents
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Contents
Table of Contents
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Table of Contents
Installation Instructions
1
Table Of Contents
3
Product Description
4
Specifications
4
General Configuration
4
Ii. Specifications
4
Before Installing
5
Locating The Boiler
5
Clearances To Combustible Or Non-Combustible Material
6
Clearances From Vent Piping To Combustible Construction
6
Air For Ventilation
7
Boiler Installed In A Confined Space, Ventilation Air From Inside
8
Vent System Design
9
Approved Vent Systems
9
Maximum Vent And Air Intake Lengths
9
Vi. Venting
9
Horizontal Direct Venting
10
Minimum Vent And Air Intake Lengths
10
Permitted Terminals For Horizontal Venting
10
Horizontal Vent And Air Intake Terminal Location
10
Summary Of Horizontal Venting Options
11
Location Of Vent Terminal Relative To Windows, Doors, Grade
12
Location Of Vent Terminal Relative To Meters And Forced Air Inlets
12
Positioning Vent Terminal Under Overhangs
12
Permitted Terminals For Vertical Venting
13
Vertical Vent Terminal Locations
13
Wall Thimbles
13
Pitch Of Horizontal Piping
13
Summary Of Vertical Venting Options
14
Permissible Vent Systems And Principle Vent Components
15
Vent/ Air Intake Fitting Equivalent Length
15
Removing An Existing Boiler From A Common Chimney
16
Vent / Intake System Assembly
16
General Assembly Notes
16
Assembly Of Flex-L-Intl. Star-34 Vent System
17
Star-34 Connection To Vent Collar
17
Star-34 Connections
17
Assembly Of Z-Flex Z-Vent Iii
18
Z-Vent Iii Connection To Vent Collar
18
Assembly Of Heat Fab Saf-T Vent Ez Seal
19
Saf-T Vent General Notes
19
Connection To Boiler
19
Assembly Of Saf-T Vent Ez Seal Vent Components
19
Assembly Of Protech Fasnseal
20
Fasnseal General Notes
20
Assembly Of The Air Intake System
20
Fasnseal Connection To Vent Collar
20
Rodent Screens
21
Condensate Drain Line
21
Condensate Piping Arrangement
21
Gas Piping
22
Gas Connection To Boiler
22
Vii. Gas Piping
22
System Piping
23
General System Piping Precautions
23
Flow Requirements Through Boiler
23
System Design
23
Primary/Secondary Piping - Boiler In Secondary Loop
24
Primary Loop Piping
24
Secondary Loop ("Boiler Loop") Piping
24
Total Fittings in Secondary Loop
24
Secondary Loop Piping (Shaded)
26
Indirect Water Heater Loop Piping (Shaded)
26
Pipe And Circulator Sizing For Boiler Loop
27
Pipe And Circulator Sizing For Indirect Water Heater Loop
27
Fitting Equivalent Lengths
28
Primary/Secondary Piping - Boiler In Primary Loop
29
Heating System Secondary Loop Piping
29
Heating System Primary Loop ("Boiler Loop")
29
Direct Connection To Heating System
29
Piping Method #2 - Heat Only
30
Piping Method #2 - Heat + Indirect Water Heater
30
Piping Method #2 - Secondary Loop Piping (Bolded)
31
Piping Method #2 - Primary Loop Piping (Bolded)
31
Piping Method #2 - Indirect Water Heater Loop Piping (Bolded)
32
Piping Method #3 - Direct Connection Of Boiler To Heating System
32
Standard Piping Installation Requirements
33
Boiler Head Loss
33
Piping For Special Situations
34
Systems Containing Oxygen
34
Piping With A Chiller
34
Air Handlers
34
Isolation Of Boiler From Oxygenated Water With A Plate Heat Exchanger
35
Chiller Piping
35
Line Voltage Connections
36
Low Voltage Connections
36
Ix. Wiring
36
Wiring Connections Diagram
37
Ladder Diagram
38
Wiring Of Isolation Relay For Control Of Two Heating Circulators
39
Start-Up And Checkout
40
For Your Safety Read Before Lighting
41
Operating Instructions
41
To Turn Off Gas To The Appliance
41
External Boiler Manual Gas Valve
41
Bwc Burner
42
Gas Valve Detail
43
Typical Co2/O2 Combustion Readings
43
Operation
45
Normal Display In Standby Mode
45
Basic Menu Tree
47
Two Basic Types Of Errors Codes Are Shown On The Display
48
Boiler Status
48
Soft Lockout Codes
48
Hard Lockout Codes
48
Outdoor Reset Curve
49
Service And Maintenance
50
Continuously
50
Monthly Inspections
50
Annual Inspections And Service
50
Troubleshooting
52
No Error Code Displayed
52
Mbca Fuse Location
52
Soft Lockout Codes Displayed
53
Hard Lockout Codes Displayed
54
Parts
55
Bwc Replacement Parts List
56
Appendix A Special Requirements For Side-Wall
68
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This manual is also suitable for:
Bwc150
Bwc225
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