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Burnham Manuals
Boiler
CHG CHG225
Installation & operation manual
Table Of Contents - Burnham CHG CHG225 Installation & Operation Manual
Chg series condensing high efficiency gas - fired hot water boiler
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
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Table of Contents
Table Of Contents
2
Product Description
3
Specifications
3
General Configuration
3
Before Installing
4
Locating The Boiler
4
Clearances To Combustible Or Non-Combustible Material
5
Clearances From Vent Piping To Combustible Construction
5
Air For Ventilation
6
Boiler Installed In A Confined Space, Ventilation Air From Inside
7
Venting
8
Vent System Design
8
Approved Vent Systems
8
Maximum Vent And Air Intake Lengths
8
Horizontal Direct Venting
9
Minimum Vent And Air Intake Lengths
9
Permitted Terminals For Horizontal Venting
9
Horizontal Vent And Air Intake Terminal Location
9
Summary Of Horizontal Venting Options
10
Summary Of Vertical 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
Burnham Vent/Air Intake System Components
14
Vent/Air Intake Fitting Equivalent Length
14
Alternate Vent Systems And Vent Components
14
Removing An Existing Boiler From A Common Chimney
15
Vent / Intake System Assembly
15
General Assembly Notes
15
Install Vent Pipe, Burnham Gasketed Vent System
16
Assembly Of Flex-L-Intl. Star-34 Vent System
16
Assembly Of Z-Flex Z-Vent Iii
17
Star-34 Connections
17
Assembly Of Heat Fab Saf-T Vent Ez Seal
18
Z-Vent Iii Connection To Vent Collar
18
S Af-T Vent General Notes
18
Connection To Boiler
18
Assembly Of Protech Fasnseal
19
Assembly Of The Air Intake System
19
Rodent Screens
19
Saf-T Vent Ezseal Connection To Vent Collar
19
Condensate Drain Line
20
Fasnseal Connection To Vent Collar
20
Condensate Piping Arrangement
21
Gas Piping
22
Gas Connection To Boiler
22
System Piping
23
General System Piping Precautions
23
System Design
23
Flow Requirements Through Boiler
23
Primary/Secondary Piping - Boiler In Secondary Loop
24
Primary Loop Piping
24
Secondary Loop ("Boiler Loop") Piping
24
Indirect Water Heater Loop Piping
24
Pipe And Circulator Sizing For Boiler Loop
27
Pipe And Circulator Sizing For Indirect Water Heater Loop
27
Fitting Equivalent Lengths
27
Primary/Secondary Piping - Boiler In Primary Loop
28
Heating System Secondary Loop Piping
28
Heating System Primary Loop ("Boiler Loop")
28
Direct Connection To Heating System
28
Standard Piping Installation Requirements
32
Boiler Head Loss
32
Piping For Special Situations
33
Systems Containing Oxygen
33
Piping With A Chiller
33
Isolation Of Boiler From Oxygenated Water With Plate Heat Exchanger
34
Chiller Piping
34
Wiring
35
Line Voltage
35
Wiring Connections Diagram
36
Ladder Diagram
37
Wiring Of Isolation Relay For Control Of Two Heating Circulators
38
Start-Up And Checkout
39
Chg Series Lighting And Operating Instructions
40
Operating Instructions
40
To Turn Off Gas To The Appliance
40
Chg Burner Flame
41
Gas Valve Detail
42
Typical Co2/O2 Combustion Readings Range
42
Operation
44
Normal Display In Standby Mode
44
Basic Menu Tree
46
Boiler Status Codes
47
Soft Lockout Codes
47
Hard Lockout Codes
47
Outdoor Reset Curve
48
Service And Maintenance
49
Continuously
49
Monthly Inspections
49
Required Annual Inspections And Service
49
Troubleshooting
51
No Error Code Displayed
51
Soft Lockout Codes Displayed
52
Hard Lockout Codes Displayed
53
Service Record
54
Parts
55
Chg Replacement Parts List
56
Special Requirements For Side-Wall Vented Appliances In The Commonwealth Of Massachusetts
68
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This manual is also suitable for:
Chg chg150
Chg150
Chg225
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