Summary of the content on the page No. 5
GOLD CGa Gas-Fired Water Boiler — Boiler Manual Please read before proceeding Installer User stalling. Follow all instructions in proper order to prevent personal for injury or death. your reference. when determining boiler location. . must be filed immediately against the transportation company by the consignee. The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions on page 68 of this manua
Summary of the content on the page No. 6
GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler location — codes & checklist 1a Installations must follow these codes: ws, regulations and ordinances. des. other performance criteria when boiler underwent tests specified Before locating the boiler, check the following: tem water piping trical power . Failure to keep boiler area clear and free of can result in severe personal injury, death or substantial prope
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler location — clearances 1b Required MINIMUM clearances 1a if foundation is used. Fire can result, causing severe personal injury, death located on the wall or door or substantial property damage. opposite the boiler FRONT (see Figure 1b). These openings must be located as shown in Figure 1b to provide proper air flow around the boiler. The free area of each opening Foundation (after deducting for louvers) must
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler location — vent system 1c Failure to follow all instructions can result in flue gas spillage and carbon monoxide emissions, causing severe personal injury or death. Inspect existing chimney before installing boiler. Failure to clean or replace perforated pipe or tile lining will cause severe personal injury or death. personal injury or death. When removing boiler from an Chimney or vent requir
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler location — air contamination 1d Please review the following information on potential Refer to for products and areas which may cause combustion air contamination problems. contaminated combustion air. To prevent potential of severe personal injury or death, check for products or areas listed below before installing boiler. If any of these contaminants are found: — OR — for further information. Corrosive co
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler location — air openings 1e to Figure 1a, page 7. , apply the sizing and placement of openings given on pages 10 and 11. , you must provide air openings sized and located as shown in Figure 1b, page 7. apply the sizing and location information shown on page 10 or 11. Air openings must be provided Provide adequate combustion and ventilation air to assure proper
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual Unusually tight construction FREE AREA of openings — the minimum areas given in this manual are free area (equals the area, buildings in which: length times width of opening, after deduction for a. Walls and ceilings exposed to the outside atmo- louver obstruction). sphere have a continuous water vapor retarder with Use the free area information provided by the louver manufacturer. a rating of 1 perm or less with openings gasketed, W
Summary of the content on the page No. 12
GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler — placement and setup 2a Place boiler/crate near must be used. Failure to do so will position result in severe personal injury, death or substantial property dam- 1. until installa- age. tion site is ready. 2. Move entire crate and pallet next to selected loca- 3. Level and straighten burners. tion. 3. Remove crate. slots in burner rest with their open- 4. Remove boiler from pallet as follows: ings face up. Main burner
Summary of the content on the page No. 13
GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler — pressure test 2b Hydrostatic pressure test 5. Slowly reopen boiler drain valve until test pressure Pressure test boiler attaching water or gas piping of not more than 45 psi is reached on the pressure/ or electrical supply (except as noted below). temperature gauge. 6. Test at no more than Prepare boiler for test . tapping) and remove the boiler relief valve. A cold water fill could expand and cause
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual Prepare boiler — draft hood & spill switch Draft hood installation Spill switch installation 1. Orient draft hood with spill switch mounting holes to front of boiler 1. Fasten spill switch to draft hood as shown in and . as shown in Figure 7. 2. See Wiring diagram to connect wires: 2. Secure draft hood to outlet at top of boiler with sheet metal screws. a. Standing pilot boiler — see . jacket top panel as indicated on draft hood.
Summary of the content on the page No. 15
GOLD CGa Gas-Fired Water Boiler — Boiler Manual 2e Prepare boiler — vent damper installation These systems are used on gas-fired boilers with vent Installation without vent damper installed. 1. Install vent damper horizontally or vertically as shown in vent damper manufacturer’s instructions. Only vent dampers listed in the Replacement parts list one boiler and so damper blade indicator is visible other vent damper installed could cause severe personal to the
Summary of the content on the page No. 16
GOLD CGa Gas-Fired Water Boiler — Boiler Manual 3a Water piping — general information General piping information Circulator - The circulator is shipped loose (wiring pre-attached to ditional is needed. Install control in supply piping boiler) to allow you to locate it either in the return or between boiler and isolation valve. Set second control to minimum 20°F supply piping, as desired. See page 3 for a typical instal- above setpoint of first control. Maximum allowable setpoint
Summary of the content on the page No. 17
GOLD CGa Gas-Fired Water Boiler — Boiler Manual 3b Water piping — single-zone system Undersized expansion tanks cause system water to be lost from relief valve and makeup water to be added through fill valve. Eventual section failure can result. Diaphragm-type or bladder- Closed-type expansion tank type expansion tank (Figure 9) (Figure 10) 1. Ensure expansion tank size will handle boiler and 1. Ensure expansion tank size will handle boiler and system water volume and temperature. See tank
Summary of the content on the page No. 18
GOLD CGa Gas-Fired Water Boiler — Boiler Manual 3c Water piping — multiple zones Piping multiple zones Piping for radiant heating Follow instructions on pages 16 and 17 to install near- systems or converted gravity boiler or single-zone piping. (Also refer to systems below, if applicable.) Converted gravity (or steam) systems See or - Whenever possible, use the primary/secondary piping stallation. shown in or on page 21. This piping de- sign allows changing boiler flo
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™
®
GOLD CGa
Gas-Fired Water Boilers
Boiler Manual
This manual must only be used by a qualified heating installer/service technician. Before installing, read all
instructions, including this manual, the burner manual and any related supplements. Perform steps in the order
given. Failure to comply could result in severe personal injury, death or substantial property damage.
Part No. 550-101-009/0107
Summary of the content on the page No. 2
GOLD CGa Gas-Fired Water Boiler — Boiler Manual How it works . . . Control module The control module (used on ) responds to signals from the room thermostat and boiler limit circuit to operate the boiler circulator, pilot burner, gas valve and vent damper. When room thermostat calls for heat, the control module starts the system circulator and activates the vent damper (causing it to drive open). When the vent damper has opened completely, the control module opens the pilot valve and ac
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual GOLD CGa Gas-Fired Water Boiler 3 Part Number 550-101-009/0107
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual Contents How is works ....................................................2-3 Hazard definitions ............................................... 4 Please read before proceeding ............................ 5 1 Prepare boiler location ...................................6–11 2 Prepare boiler ...............................................12-15 3 Water pi ping ................................................. 16-25 4 Gas piping .............
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GOLD CGa Gas-Fired Water Boiler — Boiler Manual 3c Water piping — multiple zones (continued) For systems with possible low return-water temperature (such as converted gravity systems, radiant heating systems and heat pump systems), refer to the special piping suggestions of , as applies. Failure to prevent sustained low return water temperature to the boiler could cause corrosion of the boiler sections, resulting in severe personal injury, death or substantial property damage. Part Numb
Summary of the content on the page No. 20
GOLD CGa Gas-Fired Water Boiler — Boiler Manual 3d Piping — low temperature systems the water temperature being supplied to the radiant Primary/secondary (preferred) tubing. Bypass piping method is on all systems to assure the return bypass piping is preferred because water temperature is accurately set for a minimum of the flow rate and temperature drop in the heating 130°F. If this gauge is not available however, adjust the circuit(s) is determined only by the heating circuit va
