Table Of Contents; Contents - Weil-McLain SGO 4 Series Manual

SGO
OIL-FIRED NATURAL DRAFT STEAM BOILER - SERIES 4 -

Contents

Using this manual . . . . . . . . . . . . . . . . . . . . .2
When calling or writing about the boiler
Packaged, Semi-packaged and Knocked-down boilers 2
Hazard definitions . . . . . . . . . . . . . . . . . . . . .2
Contents . . . . . . . . . . . . . . . . . . . . . . . . . .3
Read this first ! . . . . . . . . . . . . . . . . . . . . . .4
Routine maintenance schedule. . . . . . . . . . . . . .5
Beginning each heating season
Daily during heating season
Weekly during heating season
Periodically during heating season
End of heating season
Boiler shutdown
Please read this before proceeding . . . . . . . . . . .6
Start-Up
Check Daily
Check Monthly
Check Periodically
Troubleshooting . . . . . . . . . . . . . . . . . . . . . .7
Before installing boiler . . . . . . . . . . . . . . . . . .8
Installations must comply with
Before selecting boiler location
Provide clearances around boiler (see Figure 2)
Provide air for combustion and ventilation
Lay a foundation, if needed
Air contamination
Operation. . . . . . . . . . . . . . . . . . . . . . . . . 11
SGO with float-type low water cutoff
SGO with probe-type low water cutoff
Install boiler - Packaged boilers only . . . . . . . . . . . 13
Place boiler
Perform hydrostatic pressure test
Install boiler - Semi-packaged & Knocked-down boilers 14
Place boiler
Tankless heater, if used
Perform hydrostatic pressure test
Install jacket (Knocked-down boilers only)
Install boiler controls
Install burner and chimney - all boilers . . . . . . . 18
Install burner (also refer to instructions
packed with burner)
General chimney requirements
Connect breeching . . . . . . . . . . . . . . . . . . . 18
Connect breeching
Connect steam piping . . . . . . . . . . . . . . . . . . 20
General piping information
Install piping
Part number 550-142-330/0421
HOMEOWNER and SERVICE TECHNICIAN - read and follow completely.
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Boiler Manual
To connect SGO boilers to indirect-fired
water heaters
Optional reservoir piping
Connect tankless heater piping . . . . . . . . . . . . 24
To pipe tankless heater
Connect wiring - general information . . . . . . . . 26
General wiring requirements
Thermostat wiring
Junction box (furnished)
Burner wiring
High temperature limit
Blocked vent shutoff switch
Connect wiring (Float-type LWCO) . . . . . . . . . . . 28
Blocked vent shutoff switch (BVSS), when required 29
Connect wiring (Probe-type LWCO) . . . . . . . . . . 30
Blocked vent shutoff switch (BVSS), when required 31
OVD Vent damper wiring
Connect oil piping . . . . . . . . . . . . . . . . . . . . 32
General oil piping requirements
Oil piping connection at burner
Start up. . . . . . . . . . . . . . . . . . . . . . . . . . 33
Steam water treatment
Fill the system
Tips for steam systems
Skim steam boiler
To place in operation
Check out procedure . . . . . . . . . . . . . . . . . . 35
Check off "Steps" as completed
Installation and service certificate . . . . . . . . . . . 35
Annual service check list . . . . . . . . . . . . . . . . 36
Service and maintenance . . . . . . . . . . . . . . . . 37
General description of control operation
Burner adjustments
Controls requiring annual service
Cleaning boiler flue ways
Inspect
Reported problems
Boiler area
Piping
Service
Check/test
Check monthly
Boiler and system piping
Review with owner
Boiler relief valve
Replacement parts . . . . . . . . . . . . . . . . . . . 41
Dimensions . . . . . . . . . . . . . . . . . . . . . . . 46
Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Handling ceramic fiber and fiberglass materials . . . 48
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