Weil-McLain 550-141-827/1201 - Manuals

Provide air for combustion and ventilation: Adequate combustion and ventilation air: • Assures proper combustion. • Reduces risk of severe personal injury or deathfrom possible flue gas leakage and carbonmonoxide emissions. Do not install exhaust fan in boiler room. Older buildings with single-pane ...

Fiberglass wool and ceramic fiber materials: • POSSIBLE CANCER HAZARD BY INHALATION • CAN CAUSE RESPIRATORY, SKIN AND EYE IRRITATION This product contains fiberglass wool and ceramicfiber materials. Airborne fibers from these materialshave been listed by the State of California as apossible cause of...

3. A-SGO-7, 8 & 9W — install flue collector hood (see FIGURE 2): Obtain gas-tight seal to preventpossible flue gas leakage and carbon monoxide emissions, leading to severepersonal injury or death. a. Thread tinnerman clip on screw so that clip fits snugly in notch of hold-down lug. Screw must no...

Install jacket (sizes 7 through 9 only): Before installing jacket, remove burner mountingdoor. See jacket instructions for details. Install boiler controls: See Control Tapping Table and FIGURES 3 and 4to install controls.1. Install tankless heater control if tankless heater is used. If not furnishe...

Install burner (also refer to instructions packed with burner): Burners designed for use with Weil-McLain 68 boilers must not be used on GOLD Oil boilers. Contact individual burner manufacturers for GOLD Oil applications. Install Non-Packaged Boiler CONTINUED Water Boiler Controls FIGURE 4 Water Pre...

General chimney requirements: • Designed for natural draft firing. Connectboiler to vertical chimney. Insufficient draft can cause fluegas leakage and carbon monoxide emissions, which will lead to severepersonal injury or death. • Use vent material approved by local codes foroil-fired burners. In th...

General piping information: • If installation is to comply with ASME orCanadian requirements, an additional hightemperature limit is needed. Install control insupply piping between boiler and isolation valve.Set control to a minimum of 20°F above setpoint of combination control. Maximumallowable set...

Multiple Zoning With CIRCULATORS FIGURE 9 Multiple Zoning With ZONE VALVES FIGURE 10 Piping MULTIPLE ZONES: 1. Follow instructions on page 12 and 13 to install piping near boiler.2. See FIGURE 9 or 10 to complete installation3. Zoning with circulators: a. Size each circulator to individual circuit r...

Hot Water Can Scald! • Consumer Product Safety Commission andsome states recommend domestic hot watertemperature of 130°F or less. • When installing an automatic mixing valve,selection and installation must comply with valve manufacturer’s recommendations and instructions. • Water heated to a temper...

Cold Hot Mixed Automatic Mixing Valve Studies have indicated thatdangerous bacteria can form in potable water distribution system if certain minimumwater temperatures are not maintained. Contact localhealth department for more information. To pipe tankless heater: 1. Size piping no smaller than tank...

General wiring requirements: Electric shock hazard. Can causesevere personal injury or death if power source, including service switch on boiler, isnot disconnected before installing or servicing. • Installations must follow these codes:— National Electrical Code, ANSI/NFPA 70, latest edition and an...

General oil piping requirements: • Location and installation of oil tanks, oil pipingand burners must follow:— NFPA 31, Standard for the Installation of Oil-Burning Equipment. — In Canada, CSA B139, Installation of Oil-Burning Equipment. — Local codes and regulations.— Information provided with burn...

Installation and Service Certificate Check off steps as completed: ❏ 1. Boiler and heat distribution units filled with water? ❏ 2. Automatic air vent, if used, opened one full turn? ❏ 3. Air purged from system? Piping checked for leaks (including tankless heater, if used)? ❏ 4. Air purged from oil p...

Burner adjustments for “A” boilers: Final burner adjustments must bemade using combustion test equipment to assure proper operation. Do not fireboiler without water or sections will overheat. 1. Refer to burner manual for start-up.2. Allow boiler to heat to design condition.3. Using combustion test ...

Fig. W-M Sales No. Description Part Number A Wide Front Section (7011) 316-700-245 B Regular Intermediate Section (7015) 316-700-065 C Intermediate Section w/Draw Rod Lugs (7016) 316-700-070 D Back Section w/7" Flue, Supply & 2" Return (7017) 316-700-265 E Section Replacement Kit (For 1 ...

D Q K P J J G H G E G F R B A J J L M N S Parts Drawing 25 C

DIMENSIONS - mm. BOILER MODEL NUMBER B L SGO-3W 342.9 428.7 SGO-4W 422.1 508.0 SGO-5W 504.9 587.2 SGO-6W 584.2 666.7 SGO-7W 663.4 746.2 SGO-8W 742.9 825.5 SGO-9W 822.4 904.7 DIMENSIONS - in. BOILER MODEL NUMBER B L SGO-3W 13 1 / 2 16 7 / 8 SGO-4W 16 5 / 8 20 SGO-5W 19 7 / 8 23 1 / 8 SGO-6W 23 26 1 /...

* * Available only as an “A” unit. “A” boiler only for use with approved burners as listed with I=B=R. (1) SGO-W boiler designed with convertible vertical and horizontal flue outlet.(2) MBH refers to thousands of Btu per hour.(3) Based on 140,000 Btu/gal.(4) Based on standard test procedures prescri...