Install Non-Packaged Boiler CONTINUED

Install jacket (sizes 7 through 9 only):

Before installing jacket, remove burner mounting door. See jacket instructions for details.

Install boiler controls:

See Control Tapping Table and FIGURES 3 and 4 to install controls.

1.Install tankless heater control if tankless heater is used. If not furnished, use operating control with maximum 10°F differential.

2.Install limit control. If not furnished, use high limit with maximum 220°F setting.

3.Affix CP number label(s) on jacket front panel.

CONTROL TAPPING TABLE

TAPPING

SIZE

FUNCTION

 

 

 

A1

1½"

Supply Piping

 

 

 

A2

2½"

Air Vent or Expansion Tank Piping

 

 

 

A3

2½"

Plugged

 

 

 

B1

1½"

Return Piping

 

 

 

B2

2"

Plugged

 

 

 

E1

½"

Pressure-Temperature Gauge

 

 

 

E2

½"

Plugged

 

 

 

H

¾"

DrainValve

 

 

 

L

¾"

High Limit Control

 

 

 

P

¾"

Plugged

 

 

 

R

¾"

ReliefValve

 

 

 

S1 & S2

½"

Plugged

 

 

 

U1

1"

Plugged

 

 

 

U2

¾"

Plugged

 

 

 

 

 

Operating Control for Tankless

U3

¾"

Heater

 

 

(located in heater plate)

 

 

 

 

 

 

 

 

S1

 

A1

 

 

A2

L

 

A3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E2

 

 

 

 

 

 

 

 

 

 

 

 

P

 

U1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B1

 

Front Section

 

H

 

 

 

 

 

 

 

 

 

Back Section

 

 

 

 

Control Tapping Location

 

 

 

 

FIGURE 3

8

Page 8
Image 8
Weil-McLain 550-141-827/1201 manual Install jacket sizes 7 through 9 only, Install boiler controls, Control Tapping Table

SGO-W SERIES 3 OIL-FIRED NATURAL DRAFT WATER BOILER, 550-141-827/1201 specifications

The Weil-McLain SGO-W Series 3 Oil-Fired Natural Draft Water Boiler is a robust and efficient solution designed for residential heating needs. This boiler stands out for its exceptional construction and advanced engineering, ensuring reliability and longevity for homeowners.

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In summary, the Weil-McLain SGO-W Series 3 Oil-Fired Natural Draft Water Boiler is a powerful and efficient heating solution, combining advanced technologies with robust construction. Its cast iron heat exchanger, natural draft design, fuel flexibility, high efficiency, and convenient features make it an excellent choice for residential heating applications, supporting homeowners' comfort and reducing energy costs.