Burnham CHG CHG225 User manual
Models: • CHG150 • CHG225
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage,
injury, or loss of life. For assistance or additional information, consult a qualied installer, service agency or the
gas supplier. This boiler requires a special venting system. Read these instructions carefully before installing.
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2
Table of Contents
I. Product Description .................................................................. 3
II. Specications ........................................................................... 3
III. Before Installing........................................................................ 4
IV. Locating The Boiler................................................................... 4
V. Air For Ventilation ..................................................................... 6
VI. Venting...................................................................................... 8
A. Vent System Design........................................................... 8
B. Removing An Existing Boiler From Common Chimney...... 15
C. Vent/Intake System Assembly............................................ 15
VII. Condensate Drain Line............................................................. 20
VIII. Gas Piping ................................................................................ 22
IX. System Piping........................................................................... 23
A. General System Piping Precautions .................................. 23
B. System Design ................................................................... 23
C. Standard Piping Installation Requirements ........................ 32
D. Piping For Special Situations ............................................. 33
X. Wiring ....................................................................................... 35
XI. Start-up and Checkout.............................................................. 39
XII. Operation.................................................................................. 44
XIII. Service and Maintenance ......................................................... 49
XIV. Troubleshooting ........................................................................ 51
XV. Parts ........................................................................................ 55
Appendix A
Special Requirements For Side-Wall Vented
Appliances In The Commonwealth of Massachusetts ......... 68
Warranty.................................................................Back Cover
3
Table 2.2: Specications
MODEL* NO. OF
SECTIONS
MAXIMUM
INPUT
(BTU/hr)
MINIMUM
INPUT
(BTU/hr)
D.O.E.
HEATING
CAPACITY
(BTU/hr)
IBR NET
RATING
(BTU/hr)
AFUE (%)
VENT COLLAR
DIAMETERS (IN.)
INLET EXHAUST
CHG150 3 150,000 30,000 135,000 117,000 93.1 4 3
CHG225 4 225,000 56,250 202,000 176,000 94.2 4 4
* MODELS SHOWN ARE FOR NATURAL GAS. ADD “LP” SUFFIX TO MODEL NUMBER SHOWN FOR PROPANE MODEL NUMBER (ie CHG225LP).
PERFORMANCE RATINGS ARE THE SAME FOR BOTH FUELS.
Figure 2.1: General Conguration
I Product Description
4
National Fuel Gas Code, ANSI Z223.1.
Standard for
Controls and Safety Devices for Automatically Fired Boilers (ANSI/ASME CSD-1).
I=B=R Heat Loss Calculation Guide
NOTICE
THIS PRODUCT MUST BE INSTALLED BY A LICENSED PLUMBER OR GAS FITTER
WHEN INSTALLED WITHIN THE COMMONWEALTH OF MASSACHUSETTS. SEE
APPENDIX A FOR ADDITIONAL IMPORTANT INFORMATION ABOUT INSTALLING
THIS PRODUCT WITHIN THE COMMONWEALTH OF MASSACHUSETTS.
5
Table 4.2: Clearances From Vent Piping To Combustible Construction
TYPE OF VENT PIPE PIPE DIRECTION ENCLOSURE
MINIMUM CLEARANCE
TO COMBUSTIBLE
MATERIAL
BURNHAM AL29-4C
HEAT FAB SAF-T VENT
PROTECH FASNSEAL
Z-FLEX Z-VENT III
FLEX-L STAR-34
VERTICAL OR
HORIZONTAL
AT LEAST ONE SIDE OPEN,
COMBUSTIBLE MATERIAL ON A
MAXIMUM OF THREE SIDES
1”
HORIZONTAL OR VERTICAL
WITH OFFSETS ENCLOSED ON ALL FOUR SIDES 2-1/2”
VERTICAL WITH NO OFFSETS
Figure 4.1: Clearances To Combustible Or Non-combustible Material
6
WARNING
OUTDOOR COMBUSTION AIR MUST BE PIPED TO THE AIR INTAKE. NEVER PIPE COMBUSTION
AIR FROM AREAS CONTAINING CONTAMINATES SUCH AS SWIMMING POOLS AND LAUNDRY
ROOM EXHAUST VENTS. CONTAMINATED COMBUSTION AIR WILL DAMAGE THE BOILER
-
Na-
tional Fuel Gas Code
.
Example:
A CHG225 and a water heater are to be installed in a room measuring 6ft – 3 in x 7ft with an 8 ft ceiling. The
water heater has an input of 30000 BTU/hr:
Total input in thousands of BTU/hr = (225000 BTU/hr + 30000 BTU/hr) / 1000 = 255 MBTU/hr
Volume of room = 6.25 ft x 7 ft x 8 ft = 350 ft3
350/255 = 1.37. Since 1.37 is less than 50, the boiler room is a conned space.
National Fuel Gas Code
7
Figure 5.1: Boiler Installed In A Conned Space, Ventilation Air From Inside
8
WARNING
1)
2)
Example:
9
3)
4)
in Figure 6.1.
5)
Since the planned installation has only 14 ft of straight pipe, the planned vent length is acceptable.
Figure 6.1: Horizontal Direct Venting (Vent Options 1,2)
10
Table 6.2a: Summary of Horizontal Venting Options
VENT OPTION # 1 2 3 5
CLASSIFICATION USED IN THIS
MANUAL
HORIZONTAL
DIRECT VENT
HORIZONTAL
DIRECT VENT
(RESERVED
FOR FUTURE
USE)
(RESERVED
FOR FUTURE
USE)
(RESERVED
FOR FUTURE
USE)
ILLUSTRATED IN FIGURE 6.1 6.1
VENT PIPE STRUCTURE
PENETRATION WALL WALL
AIR INTAKE PIPE STRUCTURE
PENETRATION WALL WALL
VENT PIPE SIZE 3” 4”
AIR INTAKE PIPE SIZE 4” 4”
MAXIMUM VENT PIPE
LENGTH
CHG150 55 FT N.R.
CHG225 N.R. 55 FT
MAXIMUM INTAKE
PIPE LENGTH
CHG150 60 FT N.R.
CHG225 N.R. 60 FT
EXHAUST TERMINAL 3” 90 ELBOW
OR TEE
4” 90 ELBOW
OR TEE
AIR INTAKE TERMINAL 4” 90 ELBOW 4” 90 ELBOW
VENT MATERIAL APPROVED VENT SYSTEM
SHOWN IN TABLE 6.5
AIR INTAKE MATERIAL GALVANIZED OR PVC
11
Table 6.2b: Summary of Vertical Venting Options
VENT OPTION # 6 7
CLASSIFICATION USED IN THIS
MANUAL
VERTICAL
DIRECT VENT
VERTICAL
DIRECT VENT
ILLUSTRATED IN FIGURE 6.4 6.4
VENT PIPE STRUCTURE
PENETRATION ROOF ROOF
AIR INTAKE PIPE STRUCTURE
PENETRATION ROOF ROOF
VENT PIPE SIZE 3” 4”
AIR INTAKE PIPE SIZE 4” 4”
MAXIMUM VENT PIPE
LENGTH
CHG150 49.5 FT N.R.
CHG225 N.R. 47 FT
MAXIMUM INTAKE
PIPE LENGTH
CHG150 52 FT N.R.
CHG225 N.R. 52 FT
EXHAUST TERMINAL
RODENT SCREEN BY VENT SYSTEM
MANUFACTURER. SAME DIAMETER
AS VENT SYSTEM. SEE TABLE 6.5.
AIR INTAKE TERMINAL
VENT MATERIAL APPROVED VENT SYSTEM SHOWN
IN TABLE 6.5
AIR INTAKE MATERIAL GALVANIZED OR PVC
12
Figure 6.3a: Location of Vent Terminal Relative to Windows, Doors, Grade
Figure 6.3b: Location of Vent Terminal Relative to Meters and Forced Air Inlets
Figure 6.3c: Positioning Vent Terminal Under Overhangs
13
6)
7)
pipe.
9)
11)
Figure 6.4: Vertical Vent System (Vent Options 6,7)
14
VENT SYSTEM COMPONENT PART
NUMBER
EQUIVALENT
FEET OF PIPE
3” DIA. PIPE X 1 FT.
1
4” DIA. PIPE X 1 FT. 100176-01
3” DIA. PIPE X 3 FT.
3
4” DIA. PIPE X 3 FT. 100177-01
3” DIA. PIPE X 5 FT.
5
4” DIA. PIPE X 5 FT.
3” **EqUAL TO
INSTALLED LENGTH
4” 100179-01
3” 5.5
4”
3” 4.0
4” 4.5
3” DIA. HORIZONTAL DRAIN TEE
7½
4” DIA. HORIZONTAL DRAIN TEE
3” DIA. VERTICAL DRAIN TEE
7½
4” DIA. VERTICAL DRAIN TEE
3” SINGLE WALL THIMBLE
---
4” SINGLE WALL THIMBLE
3” DOUBLE WALL THIMBLE
---
4” DOUBLE WALL THIMBLE
Table 6.6: Vent/Air Intake Fitting
Equivalent Length
VENT FITTING EQUIVALENT
3” 90 ELBOW 5.5
3” 45 ELBOW 4.0
4” 90 ELBOW
4” 45 ELBOW 4.5
Table 6.5a: Alternate Vent Systems and Vent Components
MANUFACTURER VENT SYSTEM SIZE WALL
THIMBLES
HORIZONTAL
TERMINATION
VERTICAL
TERMINATION
HEAT FAB SAF-T VENT
EZ SEAL
3
7393GC
7393GCS
5391CI
9392
4
7493GC
7493GCS
5491CI
9492
PROTECH
SYSTEMS
INC.
FASNSEAL
3 FSWT3
FSBS3
4 FSWT4
FSBS4
Z-FLEX
SVE
SERIES III
(“Z-VENT III”)
3 2SVSWTEF03
24SVSTPF03
4 2SVSWTEF04
24SVSTPF04
Table 6.5: Burnham Vent/Air Intake System Components
15
WARNING
NEVER COMMON VENT A CHG BOILER WITH OTHER APPLIANCES
CAUTION
PIPE.
ASSEMBLY.
16
2) ®
AL 29-4C®
3)
SYSTEM!
Figure 6.7: Burnham Gasketed Vent Joint Detail
4)
17
Figure 6.7b: Star-34 Connections
l) Cuttheexcessjoinerbandsothatitlaysatinthebeadedchannel(Fig6.7b).
m)Filltheinletofthebeadedchannelwithsilicone.Smooththesiliconeoverthechannelinletaswellasthe
siliconebetweenthefemaleendandthestopbeadofthemaleend(Fig6.7b).
n) RepeatSteps(h)–(m)fortheremainingStar-34components.
p) Allowthesiliconetocureperthesiliconemanufacturer’sinstructionsbeforeoperatingtheboiler.
5) AssemblyofZ-FlexZ-VentIII:
a) General Notes:
• Non-expandedendsofSVESeriesIIIpipingsectionsmaybecutusingaviationsnipsora24threadperinch
hacksaw.Fileorsandthecutendsmoothbeforeassembling.Seethefollowinginstructions.
• Supporthorizontalpipingsectionsatintervalsof48”orless.
• VerticalventingsystemsmustbesupportedbyatleastoneZ-Flexrestop.Anadditionalvertical
supportisrequiredafteranyoffsetandasrequiredbytheZ-VentIIIinstallationinstructions.
b) Startassemblyoftheventsystemattheboiler.RemovethehoseclampshippedontheCHGventcollar.
Bendthethreehoseclamptabsonthiscollaroutwardslightly.
c) Cleantheexteriorofthemaleendoftherstpieceofpipeandtheinsideoftheventcollarontheboiler.
Removedirt,grease,andmoisturefromthesurfacestobesealed.Drysurfacesorallowtodrythoroughly.
d) Onthemaleendofthepipe,applya¼”widebeadofhightemperaturesiliconeapproximately½inchfrom the
maleendofthepipe.Apply¼”beadsofsiliconealongbothsidesofthelongitudinalseam(Fig.6.8).
e) Insertthemaleendofthepipeintotheboilerventcollaruntilitbottomsout.
f) Applyanadditionalbeadofsiliconeovertheoutsideofthejointandsmoothout.
g) Replaceandtightentheclampontheventcollar.
h) ThefemaleendofeachZ-VentIIIcomponenthasasiliconesealinggasket.Examineallventcomponents
toinsurethatthegasketintegrityhasremainedduringshipping.Gasketsmustbeintheproperpositionor
uegascouldleakresultingincarbonmonoxidepoisoning.
Figure 6.7a: Star-34 Connection to Vent Collar
18
Figure 6.8: Z-Vent III Connection to Vent Collar
6)
19
Figure 6.9: SAF-T Vent Ezseal Connection to Vent Collar
7)
9)
20
Figure 6.10: FasNSeal Connection to Vent Collar
1)
an alarm.
This manual suits for next models
3
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