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SGO 4 Series
Weil-McLain SGO 4 Series User Manual
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This manual must only
be used by a
qualied heating installer/service technician.
BEFORE installing, read
all
instructions
in
this
manual
and
all
other
information
shipped
with
the
boiler
.
Perform
steps
in
the
order
given. Failure to comply could result in severe personal injury
, death or substantial property damage.
• Installation
• Star
tup
• Maintenance
• P
ar
ts
Boiler Manual
Part number 550-142-330/0421
Series 4
Oil-Fired Steam
Boilers
2
Table of Contents
Hazard Definitions
2
When Calling or Writing about the Boiler
2
Contents
3
Table of Contents
3
Read this First
4
Routine Maintenance Schedule
5
Beginning each Heating Season
5
Daily During Heating Season
5
Weekly During Heating Season
5
Periodically During Heating Season
5
End of Heating Season
5
Boiler Shutdown
5
Please Read this before Proceeding
6
Start-Up
6
Check Daily
6
Check Monthly
6
Check Periodically
6
Troubleshooting
7
Before Installing Boiler
8
Installations Must Comply with
8
Before Selecting Boiler Location
8
Provide Clearances Around Boiler (See Figure 2)
8
Provide Air for Combustion and Ventilation
9
Lay a Foundation, if Needed
9
Air Contamination
10
Operation
11
SGO with Float-Type Low Water Cutoff
11
SGO with Probe-Type Low Water Cutoff
12
Install Boiler - Packaged Boilers Only
13
Place Boiler
13
Perform Hydrostatic Pressure Test
13
Install Boiler - Semi-Packaged & Knocked-Down Boilers
14
Place Boiler
14
Tankless Heater, if Used
14
Perform Hydrostatic Pressure Test
16
Install Jacket (Knocked-Down Boilers Only)
16
Install Boiler Controls
16
Install Burner and Chimney - All Boilers
18
Install Burner (also Refer to Instructions Packed with Burner)
18
General Chimney Requirements
18
Connect Breeching
18
Connect Steam Piping . . . . . . . . . . . . . . . . . .
20
Connect Breeching Connect Steam Piping
20
General Piping Information
20
Install Piping
20
To Connect SGO Boilers to Indirect-Fired Water Heaters
20
Optional Reservoir Piping
23
Connect Tankless Heater Piping
24
To Pipe Tankless Heater
24
Connect Wiring - General Information
26
General Wiring Requirements
26
Thermostat Wiring
26
Junction Box (Furnished)
26
Burner Wiring
26
High Temperature Limit
26
Blocked Vent Shutoff Switch
27
Connect Wiring (Float-Type LWCO)
28
Connect Wiring (Float-Type LWCO)
29
Blocked Vent Shutoff Switch (BVSS), When Required
29
Connect Wiring (Probe-Type LWCO)
30
Connect Wiring (Probe-Type LWCO)
31
Blocked Vent Shutoff Switch (BVSS), When Required
31
OVD Vent Damper Wiring
32
Connect Oil Piping
32
General Oil Piping Requirements
32
Oil Piping Connection at Burner
32
Start up
33
Steam Water Treatment
33
Fill the System
34
Tips for Steam Systems
34
Skim Steam Boiler
34
To Place in Operation
34
Check off Steps as Completed
35
Check out Procedure
35
Installation and Service Certificate
35
Annual Service Check List
36
Service and Maintenance
37
General Description of Control Operation
37
Burner Adjustments
37
Controls Requiring Annual Service
37
Cleaning Boiler Flue Ways
38
Inspect
38
Reported Problems
38
Boiler Area
38
Piping
38
Service
39
Check/Test
39
Check Monthly
39
Boiler and System Piping
40
Review with Owner
40
Boiler Relief Valve
40
Replacement Parts
41
Dimensions
46
Ratings
47
Handling Ceramic Fiber and Fiberglass Materials
48
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Weil-McLain SGO 4 Series Specifications
General
Brand
Weil-McLain
Model
SGO 4 Series
Category
Boiler
Language
English
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