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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 efficiency 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 boil
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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 .......................................... 71 V. Gas Piping .
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5 Figure : 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 exactly, Z223.1, Air for Combustion and Ventilation; a fire or explosion may result causing property Canada - Natural Gas or Propane Installation Code, damage or personal injury. CAN/CSA-B149.1. WARNING DANGER Adequate combustion and ventilation air must Do not inst
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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 provisions Alternate method for boiler located within for combustion air from the room, provided confined space. Use indoor air if two permanent air intake piping is installed per Code and the openings communicate directly wi
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III. Venting / Air Intake Piping WARNING Do not use this boiler with galvanized, Type 04 or Type 1 stainless steel, non metallic or any other ® non Al9-4C 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 insta
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TABlE : VENT SySTEM COMPONENTS INClUDED WITh BOIlER Vent System Components Part Number Gasketed Vent Terminal 3” Horizontal 8110701 (SCG-3 thru SCG-7) Gasketed Vent Terminal 4” Horizontal 8110702 (SCG-8 & SCG 9) Disc Air Intake - 3” 6116045 (SCG-3 & SCG-4) Disc Air Intake - 4” 6116044 (SCG-5 & SCG-6) Air Intake - 5” 6116063 (SCG-7 thru SCG-9) TABlE : BURNhAM VENT SySTEM AND AIR INTAkE SySTEM COMPONENTS Equivalent Vent System Component Part Number Feet of Pipe 3” Dia. Pipe x 1 Ft 8116296U
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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 fire officials 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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a. Wipe the male end of each joint using an alcohol Air Intake piping - See Figures 4A, 4B, 5A and 5B. pad to remove any dirt and grease. 8. Locate air intake termination on the same wall as b. Align weld seams in pipes and use a slight the vent termination if possible, to prevent nuisance twisting motion to FULLY insert male end into boiler shutdowns. However, boiler may be installed female end of joint. Ensure bead in male end with vertical venting and sidewall combustion air of pipe is
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1 Figure 4A: 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 Configuration (SCG-3 thru 7)
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1 Figure 5B: Separate Horizontal – Vent/Air Intake Terminal Configuration (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. See Figure 43 on Page 72 for Blower Vent prevent nuisance boiler shutdowns. However, boiler Connector Assembly. Do not exceed maximum vent may be installed with vertical venting and sidewall len
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d. Install storm collar on air intake pipe 15. Seal all joints airtight, using silicone caulk or self- immediately above flashing. 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 : Vertical Vent Installation Figure 7: Attic Offset
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0 Figure 8A: Vertical Vent/Air Termination (” Vent Terminal) Extend Vent/Air Intake Piping to maintain minimum vertical (“X”) and minimum horizontal (“y”) distance of twelve (1) inches from roof surface. Allow additional vertical (“X”) distance for expected snow accumulation.
