Dec 06, 2017 weil mclain gold cgi series 2 user manual page 39 68. Page 10 of weilmclain boiler manuals and user guides pdf. This conversion is to be installed by a weil mclain distributor or other qualified agency in accordance with the manufacturers instructions and all codes. Refer to the lgb boiler manual, boiler controls section. Set gas pressure switch as follows or to local inspectors requirements lgb 21 through lgb 23 only. Part number 5501417970798 3, figure 1 pilot burner assembly, typical, i, figure 2 main flame sensor assembly. Boiler foundation level concrete or brick foundation, minimum 2 thick, figure 6 is required if. Cga, cgi, cgs, eg, egh, lgb, peg, pfg boilers part number 5501105920408 maintain boiler using schedule below tankless water heater eg and egh only if boiler is used to supply domestic hot water, limit control should be set to supply adequate hot water. In accordance with the us federal or other states laws. The lgb commercial gas boiler is available in water or steam and includes versatile combustion. Weil mclain distributor or sales office before continuing installation.
Whatever your needs heating a restaurant, hotel, casino, or any other commercial or industrial facilitydepend on weil mclain boilers to provide the solution that delivers cost savings, energy efficiency and system flexibility. Short draw rods permit faster, easier assembly of boiler sections includes factoryassembled base and burners, and simplified piping for quick and easy installation compact design allows for more piping and venting headroom the highest efficiency commercial cast iron atmospheric gas boiler available by weilmclain builtin air separator diverts air to the expansion tank gas natural draft water. In the next section are weil mclain boiler troubleshooting tips the pros use to determine verify what is wrong. The 6 section lgb has a 650 mbh input under 34 gallons of h2o. Have the boiler and burner installed by a qualified installer. This conversion is to be installed by a weilmclain. Weilmclain tankless heaters are rated at 00 f boiler. Installer leave all instructions with boiler for future reference. Below you will find boiler mclain weil, troubleshooting system in the form of a.
Weilmclain tankless heaters are rated at 200 f boiler water temperature. Manual feed system with air gap or auto feed your option. Weil mclain boiler installation manual pdf download. Ii existing installation conversion from natural gas to propane gas. Weilmclain does not recommend using a condensate return system on which the pump is operated by a receivermounted float switch. There is a minimum advertised price map allowed by the manufacturer on this product. Weil mclain lgb series 2 boilers to be removed immediately these 2 units are in building scheduled for demolition we are selling these at reduced cost if we do not have to remove and store.
Very often issues with weil mclain lgb begin only after the warranty period ends and you may want to find how to repair it or just do some service work. Weilmclain series 2 lgb17, series 2 lgb9, series 2 lgb. Household appliance boiler when we buy new device such as weil mclain lgb we often through away most of the documentation but the warranty. Weil mclain lgb 10, lgb 11, lgb 12, lgb, lgb 14, lgb 15, lgb 16, lgb 17, lgb 18, lgb 19, lgb 20, lgb 6, lgb 7, lgb 8, lgb 9 i.
For lgb 6 through lgb 23 iri and lgb 21 through lgb 23 fmcsd1, the gas train is located outside the boiler. Follow figure 1b for pilot burner location, placing the burner with pilot bracket in the fourth position from the left for the lgb 4 and the fifth position from the left for the lgb 5, as shown. Bracket for lgb boilers sizes 612, 23 460005624 combo pilot burner mt. Have the boiler and burner serviced at least annually by a qualified service technician. Lgb 6 to lgb 23, new installationi, figure 1 pilot burner assembly, typical, part number 5501417970798 3.
Weilmclain recommends using a boiler feed system, with the pump operated by a level controller on the boiler. Lgb 4, lgb 5, lgb 6, lgb 7, lgb 8, lgb 9, lgb 10, lgb 11, lgb 12, lgb. Weilmclain recommends installing manual controls in addition to standard as required by local inspector. These ideals have made weil mclain a market leader in comfort heating since its foundation in 1881. User manuals, weilmclain boiler operating guides and service manuals. Weil mclain based in michigan city, indiana, weil mclain combines hydronic heating expertise with unsurpassed quality and innovation. On a call for heat, the pilotproving module, one main flame proving module, a manual reset relay with indicator light and a terminal block are furnished as standard equipment with each lgb 612. These ideals have made weil mclain a market leader in comfort heating since founded in 1881. Weilmclain boiler user manuals download manualslib. Weil mclain tankless heaters are rated at 00 f boiler water temperature.
Disconnect boiler and gas controls from gas supply piping during any pressure test greater than w. View online or download weilmclain lgb6 user manual, manual. When we buy new device such as weil mclain lgb we often through away most of the documentation but the warranty. Weilmclain series 2 lgb17, series 2 lgb9, series 2 lgb18. Originally, it was a small plumbing and heating house. Lgb 6, lgb 7, lgb 5, lgb 8, lgb 9, lgb 10, lgb 11, lgb 12, lgb, lgb 14, lgb 15, lgb 16, lgb 17, lgb 18, lgb 19, lgb 20, lgb 21, lgb 22, lgb 23. Now the company is a leading developer and manufacturer of heating systems. This category consists of boiler parts manufactured by weil mclain for weil mclain s mgb boiler model. Boiler parts weil mclain parts weil mclain mgb boiler. Weilmclain gasfired boilers users information manual cga, cgi, cgs, eg, egh, lgb, peg, pfg.
Lgb 6 to lgb 20 series 2 control supplement 2 part number 5501418160304 i new installation 1. Pilot line solenoid gas valve for lgb, mgb boilers, 120v 511044040 pilot line solenoid gas valve for lgb, mgb boilers, 120v sku. Weil mclain datasheets for boilers industrial industrial boilers are closed vessels that use a fuel source or electricity to heat water or generate steam for industrial heating and humidification applications. Lgb csd1 control system control supplement lgblgblgb6 6 6 tototo lgb lgb lgb 202020 series 2 propane gas gasfired boiler. No heat at all a burnedout thermocouple is the top cause of a weil mclain boiler not responding to the thermostats call for heat. Indicates special instructions on installation, operation or maintenance that are important but not. Weil mclain knows that no two massive applications are the same, so they have developed a variety of control packages for the lgb. I have enclosed some pictures of the beast, a lgb 9 from weil mclain, with an input rate about 8x bigger than the viessmann in our house 1mbtuhr. This conversion is to be installed by a weil mclain distributor or other qualified agency in accordance with the manufacturers instructions and all codes and requirements of the authority having jurisdiction. Lgb 4, lgb 5, lgb 6, lgb 7, lgb 8, lgb 9, lgb 10, lgb 11, lgb 12, lgb, lgb 14, lgb 15, lgb 16, lgb 17, lgb 19, lgb 20, lgb 21, lgb 22. Weil mclain boiler lgb users information manual 24 pages, 2. Flammable materials to avoid personal injury, death or property damage, keep the boiler area clear and free from combustible materials, gasoline and other.
We have 6 weilmclain lgb 20 manuals available for free pdf download. Weil mclain offers a broad spectrum of high efficiency gasfired boilers for commercial use. Weil mclain boiler troubleshooting common problems and. Lgb gasfired boiler control supplement lgb 6 to lgb 20 series 2 propane gas csd1 control system contents i. Weil mclain series 2 wiring diagram wiring diagram. Weil mclain lgb commercial gas boiler 780 mbh natural gas. The company sees its mission in the design and manufacture of comfortable equipment and maintaining a leading position in the market. Here are common boiler problems for this or any brand. Pilot burner for lgb, egh pfg boilers sizes 23 5130221 pilot burner for lgb, egh pfg boilers sizes 23 sku. Weil mclain 3300110 lgb intermediate section lgb intermediate section. View online or download weil mclain lgb 6 user manual, manual. Conversion kit for lgb and mgb boilers 510811456 conversion kit for lgb and mgb boilers. View and download weilmclain lgb 4 user manual online.
Series users manual lgb 620 series pdf manual download and more weil mclain. Lgb gasfired boiler control supplement lgb6 to lgb20 series 2. Dryback firetubes hot water dryback firetubes steam wetback firetubes hot water wetback firetubes steam sussman. Get the latest info on weil mclain canada products, promotions, staffing, and general hydronic industry news join now. Allowable pressure drop from gas meter outlet to boiler. Weilmclain lgb4 user manual pdf download manualslib.
For lgb 20, two prewired control panels are provided, one for each base. Weil mclain lgb 10, lgb 11, lgb 12, lgb, lgb 14, lgb 15, lgb 16, lgb 17, lgb 18, lgb 19, lgb 20, lgb 6, lgb 7, lgb 8, lgb 9 new installationi. Installation and service manuals for heating heat pump 80 weil mclain may 7th, 2018 weil. Weil mclain tankless heaters are rated at 200 f boiler. I am not sure that the sizing is correct, seeing that a good portion of the home was converted over to a separate hotwater system some time ago. Lgb gas boiler weil mclain is available for natural gas or liquid propane installations in either steam or hot water. Count the radiation and size your new boiler properly. Weilmclain cgs, cgi, peg, lgb, series 7 pfg, egh user manual. Page 15 of weilmclain boiler manuals and user guides pdf. Apartment buildings, commercial buildings, schools and other institutions. This conversion is to be installed by a weil mclain distributor or other qualified. This version of weilmclain lgb 10 manual compatible with such list of devices, as.
Pipe the header at least 24 inches above the boiler water line. There are 20 sizes available, and that is just the beginning of customization. Weilmclain distributor or sales office before continuing installation. And you already know the first rule of boiler installation. Weil mclain tankless heaters are rated at 00 f boiler. The lgb is the highest efficiency cast iron atmosphenc gas boiler. Weilmclain boilers industrial data sheets engineering360. Gas fired water boiler series 2 weil mclain cgx c wire options and ahe wiring diagram thermostat lgb 10 users schematic 6 20 user manual gv 3 ignitor wtgo control supplement page 1 88 commercial oil ultra 230 750 1100 heating gold cgi manualzz kl 7111 with get 23 ucs propane steam of i have a cga not starting cg 12 owner s cgt operating. Ut module 10200 382200448 integrated boiler control unit incl. Review and understand boiler startup and routine maintenance procedures with the service technician.
Install in a space large in comparison to size of boiler. Page 9 of weilmclain boiler manuals and user guides pdf. Weil mclain boiler lgb 620 series control supplement 11 pages, 1. Cga, cgi, cgs, eg, egh, lgb, peg, pfg boilers 6 part number 5501105920709 maintain boiler using schedule below tankless water heater eg and egh only if boiler is used to supply domestic hot water, limit control should be set to supply adequate hot water. Page 14 of weilmclain boiler manuals and user guides pdf. Maximum gas consumption including any possible future expansion. If boiler is used to supply domestic hot water, limit. Boiler parts weil mclain parts weil mclain lgb boiler.
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