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INSTALLATION, OPERATING AND
SERVICE INSTRUCTIONS FOR
SCG™
GAS - FIRED BOILER
®
As an ENERGY STAR Partner, Burnham Hydronics has determined that the SCG meets the ENERGY
®
STAR guidelines for energy effi ciency established by the United States Environmental Protection Agency (EPA).
For service or repairs to boiler, call your heating contractor. When seeking information on
boiler, provide Boiler Model Number and Serial Number as shown on Rating Label.
Boiler Model Number Boiler Serial Number In
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IMPORTANT INFORMATION - READ CAREFULLY NOTE: The equipment shall be installed in accordance with those installation regulations enforced in the area where the installation is to be made. These regulations shall be carefully followed in all cases. Authorities having jurisdiction shall be consulted before installations are made. All wiring on boilers installed in the USA shall be made in accordance with the National Electrical Code and/or local regulations. All wiring on boilers i
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WARNING This boiler requires regular maintenance and service to operate safely. Follow the instructions contained in this manual. Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Read and understand the entire manual before attempting installation, start-up operation, or service. Installation and service must be performed only by an experienced, skilled, and knowledgeable installer or service agency. This boiler mus
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Table of Contents I. Pre-Installation ...............................6 VI. Electrical .......................................53 II. Unpack Boiler ................................7 VII. Modular Installation ....................62 III. Venting/Air Intake Piping .............. 8 VIII. System Start-up ............................64 IV. Water Piping and Trim ................. 45 IX. Service ..........................................68 V. Gas Piping ....................................50 X.
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5 Figure 2: Dimensions
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I. Pre-Installation F. Provide combustion and ventilation air in accordance WARNING with applicable provisions of local building codes, or: USA - National Fuel Gas Code, NFPA 54/ANSI If you do not follow these instructions Z223.1, Air for Combustion and Ventilation; exactly, a fire or explosion may result Canada - Natural Gas Installation Code, CAN/ causing property damage or personal CGA-B149.1, or Propane Installation Code, CAN/ injury. CGA-B149.2, Venting Systems and Air Supply for Ap
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c. Horizontal ducts. Minimum free area of one (1) NOTICE square inch per 2,000 Btu per hour input of all equipment in space. Duct cross-sectional area Boilers operated with direct vent (sealed shall be same as opening free area. combustion) are exempt from needing Alternate method for boiler located within provisions for combustion air from the confi ned space. Use indoor air if two permanent room, provided air intake piping is installed openings communicate directly with additional per co
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III. Venting / Air Intake Piping WARNING Do not use this boiler with galvanized, Type 304 or Type 316 stainless steel, non metallic or ® any other non AL29-4C based vent systems. Do not use a barometric damper or drafthood with this appliance. Do not use vent dampers with this boiler. Moisture and ice may form on surfaces around termination. To prevent deterioration, surfaces should be in good repair (sealed, painted, etc.). This appliance needs fresh air for safe operation and must be installe
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Table 2: Vent System Components Included with Boiler Vr ent System Components Part Numbe Gasketed Vent Terminal 3" 8110701 Horizontal (SCG-3 thru SCG-7) Gasketed Vent Terminal 4" 8110702 Horizontal (SCG-8 & SCG 9) Disc Air Intake - 3" 6116045 (SCG-3 & SCG-4) Disc Air Intake - 4" 6116049 (SCG-5 & SCG-6) Air Intake - 5" 6116063 (SCG-7 thru SCG-9) Table 3: Burnham Vent System and Air Intake System Components Vent System Part Equivalent Component Number Feet of Pipe 3U " Dia. Pipe x 1 Ft 8116296 1
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A. Vent Guidelines Due to Removal of an Existing B. General Guidelines Boiler 1. Vent system installation must be in accordance For installations not involving the replacement of an with National Fuel Gas Code, NFPA 54/ANSI existing boiler, proceed to Step B. Z221.3 or applicable provisions of local building codes. Contact local building or fi re offi cials about When an existing boiler is removed from a common restrictions and installation inspection in your area. venting system, the co
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11. Plan venting system to avoid possible contact with with at least one side open, similar to a joist bay plumbing or electrical wires. Start at vent connector application. Use double wall thimble [Burnham on top of boiler and work towards vent terminal. Part No. 8116115 (3”), 100185-01 (4”)] when penetrating a combustible wall. 12. Once a vent pipe manufacturer and system is chosen never mix and match vent systems. 9. Do not install venting system components on the exterior of the
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8. Locate air intake termination on the same wall as a. Wipe the male end of each joint using an alcohol the vent termination if possible, to prevent nuisance pad to remove any dirt and grease. boiler shutdowns. However, boiler may be installed b. Align weld seams in pipes and use a slight with vertical venting and sidewall combustion air twisting motion to FULLY insert male end into inlet or visa versa, if installation conditions do not female end of joint. Ensure bead in male end al
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13 Figure 4: Recommended Separate Horizontal – Vent/Air Intake Installation
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14 Figure 4B: Alternate Separate Horizontal – Vent/Air Intake Installation
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15 Figure 5A: Separate Horizontal – Vent/Air Intake Terminal Confi guration (SCG-3 thru 7)
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16 Figure 5B: Separate Horizontal – Vent/Air Intake Terminal Confi guration (SCG-8 and 9)
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E. Separate Vertical Venting System - See Figures 6, 7, 8A, 8B and 9. NOTICE Roof penetrations require the use of roof flashing and storm collar - not supplied with boiler. Vertical Venting – 8. Locate air intake termination on the same roof location as the vent termination if possible, to 1. Do not exceed maximum vent lengths. Refer to prevent nuisance boiler shutdowns. However, boiler Table 4. may be installed with vertical venting and sidewall 2. Installation of a vertical vent tee
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d. Install storm collar on air intake pipe 15. Seal all joints airtight, using silicone caulk or self- immediately above fl ashing. Apply Dow adhesive aluminum tape. Corning Silastic 732 RTV Sealant between 16. Install Air Intake Terminal: air intake pipe and storm collar to provide Vertical - Insert intake piping into intake terminal weathertight seal. collar. Secure terminal to intake piping and seal e. All exposed air intake piping must be joint with silicone caulk. constructed of corr
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19 Figure 6: Vertical Vent Installation Figure 7: Attic Offset
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20 Figure 8A: Vertical Vent/Air Termination (3” Vent Terminal) Extend Vent/Air Intake Piping to maintain minimum vertical (“X”) and minimum horizontal (“Y”) distance of twelve (12) inches from roof surface. Allow additional vertical (“X”) distance for expected snow accumulation.
